TY - GEN A1 - Wachtendorf, Volker A1 - Gaszner, K. A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Aufklärung der Ursachen für Lackschäden durch Umwelteinflüsse und Entwicklung praxisgerechter Prüfmethoden - Teil 1: Übertragung der Jacksonville Bewitterung auf eine Labor-Prüfmethode am Beispiel dekorative Eigenschaften und Kratzbeständigkeit T2 - DFO-Technologie-Tage Neue Entwicklungen zur Qualitätsprüfung in der Lackiertechnik CY - Münster, Deutschland DA - 2002-03-19 PY - 2002 SN - 3-932287-50-9 IS - 50 SP - 55 EP - 63 PB - DFO CY - Düsseldorf AN - OPUS4-1317 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Trubiroha, Peter A1 - Geburtig, Anja A1 - Wachtendorf, Volker T1 - Referenzmaterialien für Bewitterungsprüfungen von polymeren Werkstoffen KW - Referenzmaterial KW - Bestrahlen KW - Bewitterern KW - Polymer PY - 2003 SN - 0341-230X SN - 1431-827X VL - 36 IS - 3 SP - 35 EP - 39 PB - Baltz CY - München AN - OPUS4-2864 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Referenzmaterialien für Bewitterungsprüfungen T2 - 32. Jahrestagung der GUS, Gesellschaft für Umweltsimulation CY - Pfinztal bei Karlsruhe, Deutschland DA - 2003-03-26 KW - Referenzmaterialien KW - Bewitterung PY - 2003 SN - 3-9808382-1-8 SP - 61 EP - 72 PB - GUS CY - Pfinztal (Berghausen) AN - OPUS4-3360 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Natürliche und künstliche Alterung von Polymeren - Bericht über die XXII. Donauländergespräche T2 - 31. Jahrestagung der GUS, Gesellschaft für Umweltsimulation CY - Stutensee-Blankenloch bei Karlsruhe, Deutschland DA - 2002-03-13 PY - 2002 SN - 3-9806167-8-9 SP - 14-1-14-7 PB - GUS CY - Pfinztal (Berghausen) AN - OPUS4-1819 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Jansen, Kirsten A1 - Schulz, Ulrich A1 - Wachtendorf, Volker T1 - Efficiency of UV-Stabilisers in PE-Films under the Influence of Acid Precipitation T2 - 12th International Conference Additives 2003 CY - San Francisco, CA, USA DA - 2003-04-06 PY - 2003 UR - http://www.executive-conference.com/conferences/archives/add03.php SP - 1 EP - 10 PB - ECM CY - Plymouth, Mich. AN - OPUS4-2881 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Reference materials for weathering tests T2 - 1st European Weathering Symposium (EWS-1) ; 23rd Colloquium of Danubian Countries on Natural and Artificial Ageing of Polymers CY - Prague, Czech Republic DA - 2003-09-25 KW - Referenzmaterialien KW - Bewitterung PY - 2003 SN - 3-9808382-3-4 SP - 1(?) EP - 11(?) PB - Gesellschaft für Umweltsimulation e.V. CY - Pfinztal AN - OPUS4-2882 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Schulz, Ulrich A1 - Hennecke, Manfred T1 - Chemilumineszenzuntersuchungen an PE-HD als Schnelltest für die Wirksamkeit von Stabilisatoren unter Bewitterung und für den Einfluß einer Chemikalienbehandlung T2 - 29. Jahrestagung der GUS (Gesellschaft für Umweltsimulation) CY - Pfinztal, Germany DA - 2000-03-29 PY - 2000 AN - OPUS4-3448 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Krüger, Simone A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Chemiluminescence of Polyethylenes as Accelerated Test for the Efficiency of Stabilisers and of the Effect of Recycling Procedures T2 - Workshop "Chemiluminescence 2000" CY - Leipzig, Germany DA - 2000-10-19 PY - 2000 AN - OPUS4-3449 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Krüger, Simone A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Chemiluminescence of polyethylenes as accelerated test for the efficiency of stabilisers and of the effect of recycling procedures T2 - Workshop on chemiluminescence CY - Leipzig, Germany DA - 2000-10-19 PY - 2000 SP - 1 EP - 10(?) AN - OPUS4-991 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Adaption of the Acid Dew and Fog (ADF) Test for Service Life Predicitons of Aircraft Coatings T2 - 1st European Weathering Symposium EWS CY - Prague, Czech Republic DA - 2003-09-25 PY - 2003 AN - OPUS4-3267 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - THES A1 - Wachtendorf, Volker T1 - Untersuchung thermooxidativer Veränderungen an Polymeren durch Chemilumineszenz KW - Kunststoffe KW - Alterung KW - Oxidation KW - Chemilumineszenz PY - 1997 SN - 3-89574-241-4 IS - 41 SP - 1 EP - 95 PB - Köster CY - Berlin AN - OPUS4-1231 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Jansen, Kirsten A1 - Schulz, Ulrich A1 - Wachtendorf, Volker T1 - Testing the influence of acid precipitation on service life of greenhouse films T2 - 2nd International Conference on Polymer Modification, Degradation and Stabilisation (MoDeSt) CY - Budapest, Hungary DA - 2002-06-30 PY - 2002 VL - 82 IS - 2 PB - Elsevier CY - Orlando, Fla. AN - OPUS4-1544 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Jansen, Kirsten A1 - Schulz, Ulrich A1 - Tjandraatmadja, G. T1 - Combining artificial weathering with chemiluminescence for lifetime predictions of polymeric materials N2 - While artificial weathering is a long-established tool to investigate long-term behaviour of polymers at outdoor conditions, the use of chemiluminescence as a highly sensitive and broadly applicable sensor for the effected change is a recent addition. This combination of artificial weathering with chemiluminescence could already be successfully applied to differentiate and evaluate long-term stability of various real use polymeric building materials relatively to each other and promises to be a useful tool for a variety of other polymeric materials as well. T2 - 9th International Conference on Durability of Building Materials and Components ; 9dbmc CY - Brisbane, Australia DA - 2002-03-17 KW - Chemiluminescence KW - Lifetime assessment KW - Weathering KW - Polymer PY - 2002 SN - 0-643-06827-9 VL - 3 IS - 239 SP - 1 EP - 10 PB - Commonwealth Scientific and Industrial Research Organization CY - Collingwood, VIC AN - OPUS4-1549 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Natürliche und künstliche Alterung von Kunststoffen und Beschichtungen durch Witterungseinflüsse und ihre Analyse T2 - BAM-Kolloquium 2002 CY - Berlin, BAM, Deutschland DA - 2002-04-17 PY - 2002 SP - 1(?) AN - OPUS4-1607 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Adaption of the acid dew and fog (ADF) test for service life predicitons of aircraft coatings T2 - 1st European Weathering Symposium (EWS-1) ; 23rd Colloquium of Danubian Countries on Natural and Artificial Ageing of Polymers CY - Prague, Czech Republic DA - 2003-09-25 KW - Acid dew and fog test KW - Aircraft coatings KW - Service life prediction KW - Climatic resistance KW - Säure KW - Klima KW - Flugzeuglack PY - 2003 SN - 3-9808382-3-4 SP - 1 EP - 16(?) PB - Gesellschaft für Umweltsimulation e.V. CY - Pfinztal AN - OPUS4-2689 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Lüthi, A. A1 - Fäh, D. A1 - Wachtendorf, Volker A1 - Geburtig, Anja ED - Reichert, T. ED - Halafka, S. T1 - Recent Proposals for Weathering Reference Materials as Discussed by DIN and VDA T2 - 1st European Weathering Symposium (EWS-1) ; 23rd Colloquium of Danubian Countries on Natural and Artificial Ageing of Polymers CY - Prague, Czech Republic DA - 2003-09-25 KW - Reference material KW - ORWET KW - Crack KW - Climatic KW - ADF test KW - Spectral sensitivity KW - Referenzmaterial KW - Riss KW - Klimatische Beständigkeit PY - 2003 SN - 3-9808382-3-4 SP - 1(?) EP - 12(?) PB - Gesellschaft für Umweltsimulation e.V. CY - Pfinztal AN - OPUS4-2682 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Appajaiah, Anilkumar A1 - Wachtendorf, Volker A1 - Jankowski, Lukasz T1 - Chemiluminescence investigation of high temperature and humidity aging of PMMA based polymer optical fibres (POF) T2 - POF 2003 ; 12th International Conference on Polymer Optical Fiber CY - Seattle, WA, USA DA - 2003-09-14 PY - 2003 SP - 152 EP - 155 CY - Seattle, Wash. AN - OPUS4-2665 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Schulz, Ulrich ED - Ziegahn, K.-F. T1 - Simulation der Wirkung einer sechsjährigen Freibewitterung auf Flugzeuglackierungen T2 - 33. Jahrestagung der GUS 2004 - Umwelteinflüsse erfassen, simulieren, bewerten CY - Pfinztal, Deutschland DA - 2004-03-17 KW - Freibewitterung KW - Flugzeuglackierung KW - ADF KW - Künstliche Bewitterung KW - pH KW - Beschleunigung KW - Natural weathering KW - Aircraft coating KW - Artificial weathering KW - Acceleration PY - 2004 SN - 3-9808382-4-2 SP - 199 EP - 209 PB - DWS Werbeagentur und Verlag GmbH CY - Pfinztal AN - OPUS4-3560 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Schulz, Ulrich T1 - Shortening of Weathering Tests for Automotive Coatings by Chemiluminescence Detection T2 - 27th FATIPEC Congress CY - Aix-en-Provence, France DA - 2004-04-19 KW - Chemiluminescence KW - Artificial weathering KW - ADF KW - Automotive coatings KW - Chemilumineszenz KW - Künstliche Bewitterung KW - Automobillacke PY - 2004 VL - 3 SP - 931 EP - 940 PB - Association Francaise des Techniciens des Peintures, Vernis,Encres CY - Aix en Provence AN - OPUS4-3561 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Jansen, Kirsten A1 - Schulz, Ulrich A1 - Tjandraatmadja, G. T1 - Combining Artificial Weathering with Chemiluminescence for Lifetime Predictions of Polymeric Materials T2 - 9th International Conference on Durability of Building Materials and Components CY - Brisbane, Australia DA - 2002-03-17 PY - 2002 AN - OPUS4-3552 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Hennecke, Manfred A1 - Schulz, Ulrich T1 - Chemilumineszenzuntersuchungen an PE-HD als Schnelltest für die Wirksamkeit von Stabilisatoren unter Bewitterung und für den Einfluß einer Chemikalienbehandlung T2 - 29. Jahrestagung der GUS CY - Pfinztal bei Karlsruhe, Deutschland DA - 2000-03-29 PY - 2000 SN - 3-9806167-6-2 SP - 10-1-10-12 CY - Pfinztal AN - OPUS4-1081 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter A1 - Takane, Y. T1 - UV-sensitive Weathering Reference Materials T2 - 2nd European Weathering Symposium - Natural and Artificial Ageing of Polymers CY - Gothenburg, Sweden DA - 2005-06-16 KW - Weathering Reference Materials PY - 2005 SN - 3-9808382-9-3 VL - 6 SP - 145 EP - 154 PB - Gesellschaft für Umweltsimulation CY - Pfinztal AN - OPUS4-10376 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Jansen, Kirsten A1 - Schulz, Ulrich T1 - Efficiency of UV-Stabilisers in PE-Films under the Influence of Acid Precipitation T2 - 12th International Conference Addivities 2003 CY - San Francisco, CA, USA DA - 2003-04-06 PY - 2003 AN - OPUS4-4036 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Lüthi, A. A1 - Wachtendorf, Volker A1 - Fäh, D. A1 - Geburtig, Anja T1 - Recent Proposals for Weathering Reference Materials as Discussed by DIN and VDA T2 - 1st European Weathering Symposium EWS CY - Prague, Czech Republic DA - 2003-09-25 PY - 2003 AN - OPUS4-4037 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Entwicklung künstlicher Bewitterungstests für Lacke und Beschichtungen T2 - GfKORR-Seminar "Korrelation von Labortests mit Praxisbedingungen im Automobilbereich" der Gesellschaft für Korrosionsschutz e. V. CY - Frankfurt am Main, Germany DA - 2006-02-15 PY - 2006 AN - OPUS4-12111 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja ED - Moeller, E. T1 - Entwicklung künstlicher Bewitterungstests für Lacke und Beschichtungen T2 - GfKORR-Seminar Korrelation von Labortests mit Praxisbedingungen im Automobilbereich CY - Frankfurt am Main, Deutschland DA - 0008-02-15 KW - Künstliche Bewitterung KW - Freibewitterung KW - Verkürzung KW - Beschleunigung KW - Korrelation PY - 2006 SN - 3-935406-27-4 SP - 102 EP - 111 PB - GfKORR CY - Frankfurt am Main AN - OPUS4-12065 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Brademann-Jock, Kerstin A1 - Krüger, Simone A1 - Wachtendorf, Volker A1 - Goering, Harald T1 - Degradation effects of automotive coatings after weathering as detected by thermoluminescence T2 - 27th FATIPEC Congress CY - Aix-en-Provence, France DA - 2004-04-19 KW - Automobillacke KW - Bewitterung KW - Thermolumineszenz KW - Automotive coatings KW - Weathering KW - Thermoluminescence PY - 2004 VL - 3 SP - 1045 EP - 1050 PB - Association Francaise des Techniciens des Peintures, Vernis,Encres CY - Aix en Provence AN - OPUS4-4054 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Grundsätzliches zur Verkürzung von Bewitterungstests durch künstliche Bewitterung T2 - 35. Jahrestagung der Gesellschaft für Umweltsimulation (GUS), "Umwelteinflüsse erfassen, simulieren, bewerten" am Fraunhofer Institut für Chemische Technologie (ICT) CY - Pfinztal, Germany DA - 2006-03-22 PY - 2006 AN - OPUS4-12266 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Schulz, Ulrich A1 - Trubiroha, Peter T1 - Adaption of the Acid Dew and Fog (ADF) Test for Service Life Predictions of Aircraft Coatings T2 - 1st European Weathering Symposium EWS CY - Prague, Czech Republic DA - 2003-09-25 PY - 2003 AN - OPUS4-4079 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja ED - Reichert, T. T1 - Using chemiluminescence as sensitive detector of early stages weathering effects on car coatings to shorten weathering tests T2 - 2nd European Weathering Symposium "Natural and Artificial Ageing of Polymers" CY - Gothenburg, Sweden DA - 2006-06-16 KW - Chemiluminescence KW - Artificial weathering KW - Natural weathering KW - Automotive KW - Coating KW - Weathering KW - ADF test KW - Chemilumineszenz KW - Künstliche Alterung KW - Natürliche Alterung KW - Auto KW - Lack PY - 2005 SN - 3-9808382-9-3 VL - 6 SP - 63 EP - 73 PB - Gesellschaft für Umweltsimulation CY - Pfinztal AN - OPUS4-7623 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Untersuchung der Veränderung der Kratzfestigkeit und Reflow-Fähigkeit von Karosserie-Klarlacken als Folge der Auslagerung in Jacksonville und nachgestellter Laborbewitterung T2 - DFO Qualitätstage 2005 - Moderne Verfahren zur Oberflächencharakterisierung CY - Berlin, Deutschland DA - 2005-10-25 KW - Bewitterung KW - Kratzfestigkeit KW - Kratzbeständigkeit KW - Reflow KW - Weißlichtinterferenz KW - Rauhigkeit PY - 2005 SN - 3-89943-062-X SP - 88 EP - 102 PB - DFO CY - Düsseldorf AN - OPUS4-11216 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Chemiluminescence Detection for the Shortening of Weathering Tests T2 - "INTERNATIONAL WORKSHOP on practical applications of chemiluminescence at the oxidation of chemical systems" CY - Smolenice, Slovakia DA - 2005-10-09 PY - 2005 AN - OPUS4-12504 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Veränderung der Kratzbeständigkeit und der Reflow-Fähigkeit von Automobil-Klarlacken durch Bewitterung T2 - DFO Qualitätstage 2005, "Moderne Verfahren zur Oberflächencharakterisierung" der Deutschen Forschungsgesellschaft für Oberflächenbehandlung e. V. CY - Berlin, Germany DA - 2005-10-25 PY - 2005 AN - OPUS4-12505 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Krüger, Simone A1 - Wachtendorf, Volker A1 - Rauth, W. A1 - Klimmasch, T. A1 - Krüger, P. T1 - Screening the weathering stability of automotive coatings by chemiluminescence T2 - XXVIIIth FATIPEC Congress CY - Budapest, Hungary DA - 2006-06-12 KW - Automotive coatings KW - Weathering KW - Chemiluminescence PY - 2006 SP - 8 pages CY - Budapest AN - OPUS4-12557 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Krüger, Simone A1 - Brademann-Jock, Kerstin A1 - Wachtendorf, Volker A1 - Rauth, W. A1 - Klimmasch, T. A1 - Krüger, P. T1 - Analysis of weathering effects in automotive coatings by thermoluminescence T2 - 28th FATIPEC Congress CY - Budapest, Hungary DA - 2006-06-12 KW - Automotive coatings KW - Weathering KW - Thermoluminescence PY - 2006 SP - 1 EP - 9 CY - Budapest AN - OPUS4-12558 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Determination of the spectral response of polymers T2 - 3rd Service Life Symposium CY - Sedona, AZ, USA DA - 2004-02-01 KW - Spectral sensitivity KW - Weathering KW - UV KW - Action spectra KW - Activation spectra KW - Stabilizer KW - Spektrale Empfindlichkeit KW - Bewitterung KW - Aktivierungsspektrum KW - Wirkungsspektrum KW - Stabilisator PY - 2005 SN - 0-934010-60-9 SP - 241 EP - 253 PB - Federation of Societies for Coatings Technology CY - Philadelphia AN - OPUS4-13711 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Two New Weathering Reference Materials - Monitors for Weathering Exposure T2 - 3rd Service Life Symposium CY - Sedona, AZ, USA DA - 2004-02-01 KW - Weathering KW - Reference material KW - WRM KW - UV KW - Radiance KW - Crack KW - JIS K7200 KW - Humidity KW - Bewitterung KW - Referenzmaterial KW - Riss KW - Bestrahlung KW - Luftfeuchte PY - 2005 SN - 0-934010-60-9 SP - 253 EP - 258 PB - Federation of Societies for Coatings Technology CY - Philadelphia AN - OPUS4-13712 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Trubiroha, Peter A1 - Geburtig, Anja A1 - Wachtendorf, Volker T1 - Grundsätzliches zur witterungsbedingten Alterung von Polymerwerkstoffen T2 - SKZ-Fachtagung "Bewitterung von Kunststoffen und Lacken in der Automobilindustrie" CY - Würzburg, Deutschland DA - 2005-02-16 KW - Witterung KW - Alterung KW - Klima KW - Vorgeschichte KW - Prüfverfahren KW - Prüfgeräte PY - 2005 SP - 36 Seiten PB - SKZ CY - Würzburg AN - OPUS4-7099 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Appajaiah, Anilkumar A1 - Wachtendorf, Volker ED - Koike, Y. T1 - Aging behavior of polymer optical fibers: Characterization of thermo-oxidative stability by chemiluminescence T2 - 13th International Plastic Optical Fibres Conference 2004 CY - Nuremberg, Germany DA - 2004-09-27 KW - Climatic exposure KW - Chemiluminescence KW - POF PY - 2004 SN - 3-905084-70-8 SP - 166 EP - 173 PB - AKM Congress Service CY - Basel AN - OPUS4-5973 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Arrhenius-Ansatz zur Lebensdauervorhersage aus künstlichen Bewitterungsversuchen T2 - 41. Jahrestagung der GUS 2012 - Umwelteinflüsse erfassen, simulieren, bewerten CY - Stutensee, Germany DA - 2012-03-14 PY - 2012 AN - OPUS4-25627 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Grundsätzliches zur Frage der "UV-Beständigkeit" bzw. der "Lichtbeständigkeit" polymerer Werkstoffe T2 - 42. Jahrestagung der Gesellschaft für Umweltsimulation, GUS. "Umwelteinflüsse erfassen, simulieren, bewerten" CY - Stutensee, Germany DA - 2013-03-20 PY - 2013 AN - OPUS4-27914 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Kalbe, Ute A1 - Berger, Wolfgang A1 - Krüger, Oliver A1 - Geburtig, Anja T1 - Development of al leaching test to estimate emissions from synthetic sports grounds into soil and ground water under weathering exposure T2 - [Conference] "Service Life Prediction of Polymeric Materials: Vision for the Future" CY - Monterey, CA, USA DA - 2013-03-03 PY - 2013 AN - OPUS4-27915 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mix, Renate A1 - Ramanujam, Maalolan A1 - Wachtendorf, Volker A1 - Friedrich, Jörg Florian ED - Reichert, T. T1 - New ways for early detection of polymer ageing N2 - Photo-oxidative ageing of polymers under defined exposure (UV, humidity) was investigated from two points of view: a) the ageing process Starts from the topmost surface and penetrates slowly towards bulk and b) radicals play an important role among ageing. Therefore, X-ray photoelectron (XPS) and electron spin resonance (ESR) spectroscopy were applied to show both, the progressive incorporation of oxygen during in-situ UV irradiation (XPS) and the formation of radicals (ESR) in the polymer. The intensity of ESR Signals served as measure for radical concentration. The Validation of this correlation was checked for polyethylenes (PE) equipped with different concentrations of Hostavin N30 UV stabilizer. T2 - 5th European weathering symposium - Natural and artificial ageing of polymers CY - Lisbon, Portugal DA - 21.09.2011 PY - 2011 SN - 978-3-9813136-2-8 N1 - Serientitel: CEEES Publication – Series title: CEEES Publication IS - 15 SP - 157 EP - 163 PB - GUS (Gesellschaft für Umweltsimulation) CY - Pfinztal AN - OPUS4-24535 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Ramanujam, Maalolan A1 - Wachtendorf, Volker A1 - Mix, Renate A1 - Schönhals, Andreas A1 - Friedrich, Jörg Florian ED - Reichert, T. T1 - Influence of UV weathering and humidity on surface & bulk properties of LDPE N2 - The outdoor weathering of polymers is mainly due to UV radiation, water, Pollution, humidity, temperature etc. To understand the effects of weathering, simulated tests need to be undertaken in lab scale. Such tests must be quite efficient and similar to the effects of natural weathering. This paper mainly focuses on the effects of UV radiation along with humidity on LDPE. T2 - 5th European weathering symposium - Natural and artificial ageing of polymers CY - Lisbon, Portugal DA - 21.09.2011 KW - LDPE KW - UV weathering KW - Humidity PY - 2011 SN - 978-3-9813136-2-8 N1 - Serientitel: CEEES Publication – Series title: CEEES Publication IS - 15 SP - 211 EP - 218 PB - GUS (Gesellschaft für Umweltsimulation) CY - Pfinztal AN - OPUS4-24536 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Geburtig, Anja A1 - Kömmling, Anja A1 - Wachtendorf, Volker ED - Reichert, T. T1 - UV-LEDs - a new tool to determine the spectral response N2 - To determine a polymer’s spectral response of photo degradation, two main methods have been established. The so-called “filter technique” uses polychromatic radiation, which is filtered by a set of various sharp cut-on filters. This procedure provides separated reading points of an activation spectrum of the investigated material. With the "spectrographic technique” a specimen is irradiated with pectrally dispersed radiation, locally quasi monochromatically, and the local property changes.are related to the radiant exposure at the respective wavelengths. A third method, the irradiation of specimens with quasi monochromatic radiation behind interference filters, is rarely used. These methods have advantages and disadvantages and therefore, there are limits for conclusions from these spectral data. Concerning the quasi monochromatic Irradiation of specimens the development of new UV radiation sources looks promising. With the rapid development of inexpensive UV Light-emitting diodes (LEDs), new : sources of nearly monochromatic radiation in the UV ränge are available, even down to about 250 nm. To determine the spectral response, the use of such UV-LEDs in TO-18 ) and TO-39 metal cases combines the advantages of low cost and energy efficiency, stable spectral irradiance, temperature.and humidity control, larger specimen areas, and an easy and stable analysis. Combinations of different UV LEDs are also discussed as replacement for xenon arc ' radiation sources, see patent application EP01528388A1. T2 - 5th European weathering symposium - Natural and artificial ageing of polymers CY - Lisbon, Portugal DA - 21.09.2011 KW - UV resistance KW - Weathering KW - Spectral sensitivity KW - Action spectrum KW - UV-LEDs PY - 2011 SN - 978-3-9813136-2-8 N1 - Serientitel: CEEES Publication – Series title: CEEES Publication IS - 15 SP - 77 EP - 86 PB - GUS (Gesellschaft für Umweltsimulation) CY - Pfinztal AN - OPUS4-24396 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Barthel, Anne-Kathrin A1 - Meyer-Plath, Asmus A1 - Schwiegelshohn, A. A1 - Rauth, W.. A1 - Voetz, Matthias A1 - Rhiem, St. A1 - Schaeffer, A. T1 - Untersuchungen zur witterungsbedingten Partikelfreisetzung aus CNT-Compositen T2 - Inno.CNT Jahreskongress 2012, Innovationsallianz Carbon Nanotubes CY - Bayreuth, Germany DA - 2012-01-30 PY - 2012 AN - OPUS4-25458 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Ramanujam, Maalolan A1 - Wachtendorf, Volker A1 - Purohit, Purv A1 - Mix, Renate A1 - Schönhals, Andreas A1 - Friedrich, Jörg Florian T1 - A detailed dielectric relaxation spectroscopy study of artificial UV weathered low density polyethylene N2 - Artificial weathering of LDPE under dry conditions (<10% of relative humidity) by UV radiation was monitored by dielectric spectroscopy. For an apolar polymer like LDPE, dielectric study yields information about the change in structure and dynamics of the system. The fluctuations of the polar groups which are generated as a result of photooxidation such as carbonyl groups can be monitored as characteristic relaxation processes like the αc or β mode. The dielectric loss characterized by typical dielectric parameters like the activation energy and dielectric strength are strongly dependent upon changes induced by photooxidation in the amorphous and crystalline domains. This paper discusses in detail how the foil reached its mechanical disintegration. It was found that initial stages of weathering induce chain scission and/or crosslinking in the amorphous domains of the polymer and the motional processes in the crystalline regions are not affected. After this induction period, an increase in the degree of crystallization was observed by employing differential calorimetry. The increasing crystallinity is considered as one of the reasons for embrittlement which finally leads to the complete loss of the structural integrity. KW - Artificial weathering KW - UV radiation KW - Dielectric relaxation KW - LDPE PY - 2012 DO - https://doi.org/10.1016/j.tca.2011.12.003 SN - 0040-6031 SN - 1872-762X VL - 530 SP - 73 EP - 78 PB - Elsevier CY - Amsterdam AN - OPUS4-25547 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Analyse witterungsbedingter Eigenschaftsänderungen T2 - Seminar "Bewitterung von Kunststoffen und Lacken" der Technischen Akademie Wuppertal CY - Altdorf, Germany DA - 2007-05-10 PY - 2007 AN - OPUS4-15903 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Spektrale Empfindlichkeit der Photoalterung von Lacken und Kunststoffen T2 - Fachtagung "Bewitterung von Kunststoffen und Lacken in der Automobilindustrie" des Süddeutschen Kunststoff-Zentrums CY - Würzburg, Germany DA - 2007-02-07 PY - 2007 AN - OPUS4-15904 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Notwendigkeit der Erfassung klimatischer Einflüsse auf Transportbehälter aus Kunststoff T2 - CEEES Kongress 2007, "Umweltsimulation in der Produktentwicklung" CY - Nuremberg, Germany DA - 2007-05-22 PY - 2007 AN - OPUS4-15905 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter A1 - Schulz, Ulrich T1 - Artificial weathering including acidic deposition T2 - 3rd European Weathering Symposium CY - Kraków, Poland DA - 2007-09-12 PY - 2007 AN - OPUS4-15907 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Krüger, Simone A1 - Wachtendorf, Volker A1 - Rauth, W. A1 - Klimmasch, T. A1 - Krüger, P. T1 - Screening the weathering stability of automotive coatings by chemiluminescence N2 - Chemiluminescence (CL) is a sensitive method of investigating the thermo-oxidative stability of polymers in the early stages of degradation. Therefore, CL measurements were applied to different automotive coatings to evaluate their degradation behavior during artificial weathering. In this work, CL measurements were carried out for different automotive coatings to follow their degradation behavior during artificial weathering. The CL emission depends on sample-specific parameters like stabilizer, matrix, or hardener; experimental parameters like the oxygen partial pressure; and exposure parameters like the duration of weathering. The potential of CL could be demonstrated by classifying materials into categories of good, medium, and low degradation performance at a much earlier stage of weathering exposure than in combination with the usual visual detection of weathering effects. KW - Accelerated weathering KW - Coating KW - Chemiluminescence KW - Sensitive detection KW - Weathering PY - 2008 DO - https://doi.org/10.1007/s11998-007-9071-7 SN - 1547-0091 SN - 1935-3804 VL - 5 IS - 1 SP - 17 EP - 24 PB - Springer CY - Blue Bell, Pa. AN - OPUS4-16723 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Chancen und Grenzen der Verkürzung von Bewitterungstests durch empfindliche Chemilumineszenz-Detektion N2 - Eine Verkürzung der Dauer von Bewitterungsversuchen kann durch eine empfindlichere Detektion der Bewitterungseffekte erreicht werden als sie konventionell benützt wird. Eine solche besonders empfindliche Detektionsmethode stellt die Chemilumineszenz dar. Die Verkürzung durch empfindliche Detektion muss jedoch gleichzeitig der Bedingung genügen, ausreichend gute Rangkorrelation zu Bewitterungseffekten unter Anwendungsbedingungen zu zeigen. In diesem Spannungsfeld sollen die Möglichkeiten der Chemiluminiszenz-Detektion beleuchtet werden. T2 - DFO Qualitätstage 2008 CY - Fürth, Deutschland DA - 2008-10-07 KW - Chemilumineszenz KW - Bewitterung KW - Verkürzung KW - empfindlicher Nachweis PY - 2008 SN - 978-3-89943-072-1 SP - 105 EP - 120 PB - DFO CY - Fürth AN - OPUS4-18328 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Accelerated weathering test for plastics and coatings that are exposed to acidic precipitation N2 - Due to the occurrence of acidic precipitation, and due to the fact that polymers and stabilizers may be sensititve to acids, it is important to have a laboratory test that combines weathering exposure with acidic exposure. The loss of stabilization caused by an acid damage of stabilizing system gets evident only over the weathering progress. For solid samples, for wich mostly the surface properties are relevant, the "Acid Dew and Fog Test" (ADF test) was established. For woven or tufted materials, the "Acid Rain Test" (AR test) was developed. The proposed weathering tests aim at plastics as well as at coatings. T2 - 7th International Symposium on Weatherability (7th ISW) CY - Kanagawa, Japan DA - 2008-10-23 KW - Acid rain KW - ADF KW - Acid Dew and Fog test KW - Artificial Weathering test PY - 2009 SN - 1346-0633 VL - 21 IS - 2 SP - 69 EP - 73 PB - Materiaru-Raifu-Gakkai CY - Tokyo AN - OPUS4-18270 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker ED - Zieghahn, K. T1 - Grundsätzliches zur Lebensdauervorhersage in der Bewitterung T2 - Umwelteinflüsse erfassen, simulieren, bewerten : 34. Jahrestagung der GUS 2005 CY - Pfinztal bei Karlsruhe, Deutschland DA - 2005-03-02 KW - Lebensdauer KW - Bewitterung KW - Polymere PY - 2005 SN - 3-9808382-6-9 SP - 159 EP - 168 PB - GUS (Gesellschaft für Umweltsimulation) CY - Pfinztal AN - OPUS4-7141 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter A1 - Schulz, Ulrich T1 - Artificial weathering including acidic deposition T2 - 3rd European Weathering Symposium CY - Krakow, Poland DA - 2007-09-12 KW - Spectral sensitivity KW - Weathering KW - UV KW - Action spectra KW - Activation spectra KW - Stabilizer KW - Spektrale Empfindlichkeit KW - Bewitterung KW - Aktivierungsspektrum KW - Wirkungsspektrum KW - Stabilisator PY - 2007 SN - 978-3-9810472-3-3 VL - 8 SP - 487 EP - 500 CY - Pfinztal AN - OPUS4-15923 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Improved Evaluation of Activation Spectra Determined by the Filter Technique T2 - 3rd European Weathering Symposium CY - Krakow, Poland DA - 2007-09-12 KW - Spectral sensitivity KW - Weathering KW - UV KW - Action spectra KW - Activation spectra KW - Stabilizer KW - Spektrale Empfindlichkeit KW - Bewitterung KW - Aktivierungsspektrum KW - Wirkungsspektrum KW - Stabilisator PY - 2007 SN - 978-3-9810472-3-3 VL - 8 SP - 349 EP - 358 CY - Pfinztal AN - OPUS4-15924 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - The Principle of Reciprocity and its Limits T2 - 3rd European Weathering Symposium CY - Krakow, Poland DA - 2007-09-12 KW - Spectral sensitivity KW - Weathering KW - UV KW - Action spectra KW - Activation spectra KW - Stabilizer KW - Spektrale Empfindlichkeit KW - Bewitterung KW - Aktivierungsspektrum KW - Wirkungsspektrum KW - Stabilisator PY - 2007 SN - 978-3-9810472-3-3 VL - 8 SP - 243 EP - 258 CY - Pfinztal AN - OPUS4-15925 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - The influence of humidity and wetness on weathering results T2 - Konferenz ATCAE (Atlas Technical Conference for Accelerated Ageing and Evaluation) CY - Oxford, England DA - 2008-09-15 PY - 2008 AN - OPUS4-18000 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Spectral sensitivity of polymer ageing T2 - 4th International Symposium on Service Life Prediction CY - Key Largo, FL, USA DA - 2006-12-03 PY - 2006 AN - OPUS4-14144 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Chemiluminescence detection: principles, chances, and limitations for the shortening of weathering tests T2 - 4th International Symposium on Service Life Prediction CY - Key Largo, FL, USA DA - 2006-12-03 PY - 2006 AN - OPUS4-14145 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Krüger, Simone A1 - Brademann-Jock, Kerstin A1 - Wachtendorf, Volker A1 - Rauth, W. A1 - Klimmasch, T. A1 - Krüger, P. T1 - Analysis of weathering effects in automotive coatings by thermoluminescence KW - Automotive coatings KW - Weathering KW - Thermoluminescence PY - 2006 SN - 0048-4225 N1 - Sprachen: Englisch/Italienisch - Languages: English/Italian VL - 82 IS - 17 SP - 5 EP - 11 AN - OPUS4-14296 LA - mul AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Der Einfluss von Feuchte und Nässe bei der Bewitterung T2 - 36. Jahrestagung der GUS 2007 CY - Pfinztal bei Karlsruhe, Deutschland DA - 2007-03-14 KW - Spectral sensitivity KW - Weathering KW - UV KW - Action spectra KW - Activation spectra KW - Stabilizer KW - Spektrale Empfindlichkeit KW - Bewitterung KW - Aktivierungsspektrum KW - Wirkungsspektrum KW - Stabilisator PY - 2007 SN - 978-3-9810472-1-9 VL - 36 SP - 247 EP - 256 CY - Pfinztal AN - OPUS4-14758 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Krüger, Simone A1 - Wachtendorf, Volker A1 - Rauth, W. T1 - Kürzer in der Klimakammer - Rasche Beurteilung der Bewitterungsstabilität von 2K-PUR-Autolacken mittels Chemilumineszenz KW - Weathering KW - Chemiluminescence KW - Degradation KW - Coatings PY - 2007 SN - 0014-7699 VL - 113 IS - 9 SP - 46 EP - 49 PB - Vincentz CY - Hannover AN - OPUS4-15786 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Grundsätzliches zur Verfahrensauswahl bei der künstlichen Bestrahlung und Bewitterung T2 - 37. Jahrestagung der Gesellschaft für Umweltsimulation CY - Pfinztal, Germany DA - 2008-03-12 PY - 2008 AN - OPUS4-17337 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Grundsätzliches zur Verfahrensauswahl bei der künstlichen Bestrahlung und Bewitterung KW - Bewitterung KW - Bestrahlung KW - Fluoreszenzlampe KW - Xenonlampe PY - 2008 SN - 978-3-9810472-6-4 SP - 109 EP - 121 AN - OPUS4-17338 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter ED - Jonathan W. Martin, ED - Rose A. Ryntz, ED - J. Chin, ED - Ray A. Dickie, T1 - Chemiluminescence detection: Principles, chances and limitations for the shortening of weathering tests T2 - 4th International Symposium on Service Life Prediction CY - Key Largo, FL, USA DA - 2006-12-03 KW - Chemiluminescence KW - Weathering KW - Quantum efficiency KW - Accelerated test KW - Automotive coating KW - PE Chemilumineszenz KW - Bewitterung KW - Quantenausbeute KW - Beschleunigter Test KW - Automobillacke PY - 2008 SN - 978-0-387-84875-4 SP - 309 EP - 326 PB - Springer AN - OPUS4-18245 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Schulz, Ulrich T1 - Applying Artificial Endurance Tests for the Performance of Vehicle Coatings T2 - Tagung "International Best Practice in Vehicle Coatings" CY - Brussels, Belgium DA - 2005-02-23 PY - 2005 AN - OPUS4-7350 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Using Chemiluminescence as Sensitive Detector of Early Stages Weathering Effects on Car Coatings to shorten Weathering Tests T2 - 2nd European Weathering Symposium CY - Gothenburg, Sweden DA - 2005-06-15 PY - 2005 AN - OPUS4-10446 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Principles and Limitations in the Acceleration of Artificial Weathering Tests T2 - 6th International Paint, Varnish, Ink & Auxiliary Products Industry Congress & Exhibition, 2006 Paint CY - Istanbul, Turkey DA - 2006-05-17 KW - Bewitterung KW - Verkürzung KW - Zeitraffung KW - Weathering KW - Shortening KW - Time-lapse PY - 2006 SN - 994-489125-8 SP - 48 EP - 54 PB - TMMOB CY - Istanbul AN - OPUS4-12391 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Principles and limitations in the acceleration of artificial weathering tests T2 - Paint 2006, VI. International Paint, Varnish, Ink & Auxiliary Products Industry Congress & Exhibition, "Smart Coatings and new Technologies" CY - Istanbul, Turkey DA - 2006-05-17 PY - 2006 AN - OPUS4-12403 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Appajaiah, Anilkumar A1 - Wachtendorf, Volker A1 - Daum, Werner T1 - Characterization of thermo-oxidative stability of polymer optical fibers using chemiluminescence technique N2 - The thermo-oxidative stability of commercially available polymer optical fibers (POFs) and their components (cores and claddings) was investigated. All the bare POFs (core and cladding only) studied here were based on poly(methyl methacrylate) (PMMA) core. The fibers were exposed to 100 °C/low humidity for about 4200 h. Chemiluminescence (CL) technique was applied to investigate the thermo-oxidative stability and for measuring the transmission loss during exposure a prototype device called multiplexer was used. POFs exhibited variation in thermo-oxidative stability although they possessed identical core material PMMA. This was due to difference in the chemical compositions of claddings. Claddings were more susceptible to the thermo-oxidative degradation compared to cores. The thermo-oxidative degradation of both the cladding and the core was found in POFs as a result of climatic exposure. POFs showed an early drop-off followed by a slow decline of transmission. The early drop-off of transmission was attributed to physical changes like thermal expansion and the slow decline of transmission to chemical changes like oxidative degradation of POFs. A good linear relationship between optical transmission stability and thermo-oxidative stability of POFs was established from these studies. KW - Polymer optical fibers (POFs) KW - Chemiluminescence (CL) KW - Thermo-oxidative stability KW - Aging KW - Optical transmission stability PY - 2006 DO - https://doi.org/10.1016/j.polymdegradstab.2006.05.006 SN - 0141-3910 SN - 1873-2321 VL - 91 IS - 11 SP - 2605 EP - 2613 PB - Applied Science Publ. CY - London AN - OPUS4-13984 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Der Einfluss von Temperatur und Feuchte bei der Bewitterung T2 - Seminar Technische Akademie Wuppertal CY - Altdorf, Germany DA - 2009-04-02 PY - 2009 AN - OPUS4-20721 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Analyse witterungsbedingter Eigenschaftsänderungen T2 - Seminar Technische Akademie Wuppertal CY - Altdorf, Germany DA - 2009-04-02 PY - 2009 AN - OPUS4-20722 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Ansätze zur Testverkürzung T2 - Seminar Technische Akademie Wuppertal CY - Altdorf, Germany DA - 2009-04-02 PY - 2009 AN - OPUS4-20723 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Saure Niederschläge und ihre Wirkung auf den Photoabbau T2 - Seminar Technische Akademie Wuppertal CY - Altdorf, Germany DA - 2009-04-02 PY - 2009 AN - OPUS4-20724 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja ED - Ziegahn, K.-F. T1 - Zusammenhang von molekularen Alterungsvorgängen und beobachtbaren Eigenschaftsänderungen bei der Bewitterung von Polymeren T2 - 39. Jahrestagung der GUS 2010 - Umweltflüsse erfassen, simulieren, bewerten CY - Stutensee, Deutschland DA - 2010-03-17 KW - Bewitterung KW - Alterung KW - Eigenschaftsänderung KW - Korrelation PY - 2010 SN - 978-3-9813136-0-4 SP - 45 EP - 55 PB - DWS Werbeagentur und Verlag GmbH CY - Pfinztal AN - OPUS4-21047 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Zusammenhang von molekularen Alterungsvorgängen und beobachtbaren Eigenschaftsänderungen bei der Bewitterung von Polymeren T2 - 39. Jahrestagung der Gesellschaft für Umweltsimulation (GUS) CY - Stutensee, Germany DA - 2010-03-17 PY - 2010 AN - OPUS4-21013 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Alterungsvorgänge durch Bewitterung bei Beschichtungen und deren Untersuchung und Prüfung T2 - 42. SAH-Tagung 2010, "Holzoberflächen in der Fassadengestaltung", Schweizerische Arbeitsgemeinschaft für Holzforschung CY - Weinfelden, Switzerland DA - 2010-10-26 PY - 2010 AN - OPUS4-22587 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Damerau, Thomas A1 - Sabelus, Silke A1 - Wachtendorf, Volker A1 - Hennecke, Manfred A1 - Greiner, A. T1 - Photochemische und thermische Stabilität eines Phenylen-Vinylen-Polymeren KW - Photostability KW - Fluorescence KW - Chemiluminescence PY - 1996 SN - 0016-3538 VL - 40 IS - 7 SP - 710 EP - 712 PB - GIT-Verlag CY - Darmstadt AN - OPUS4-23205 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Hennecke, Manfred T1 - chemiluminescence studies on the thermooxidative stability of poly(1,4-phenyl phenylene vinylene) T2 - 11th Bratislava IUPAC/FECS International Conference on Polymers CY - Stará Lesná, Slovakia DA - 1996-06-24 PY - 1996 AN - OPUS4-23140 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Alterungseffekte bei Polymerwerkstoffen messen N2 - Bei der Auswahl von Werkstoffen spielt deren Alterung oft eine untergeordnete Rolle, stattdessen wird häufig der ungealterte Ausgangszustand optimiert. Materialien altern aber unterschiedlich. Der Effekt der molekularen Alterung spiegelt sich in den Eigenschaften mehr oder weniger stark und in unterschiedlichem zeitlichen Verlauf wider. Da es kein physikalisch-chemisches Modell dafür gibt, sind Alterungseffekte empirisch zu bestimmen. KW - Alterung KW - Polymerwerkstoff KW - Eigenschaftsänderung PY - 2012 DO - https://doi.org/10.1002/nadc.201290356 SN - 1439-9598 SN - 1521-3854 VL - 60 IS - 10 SP - 1018 EP - 1022 PB - Wiley-VCH Verl. CY - Weinheim AN - OPUS4-26666 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Kalbe, Ute A1 - Krüger, Oliver A1 - Berger, Wolfgang A1 - Wachtendorf, Volker A1 - Hally, S. ED - Arm, M. ED - Vandecasteele, C. ED - Heynen, J. ED - Suer, P. ED - Lind, B. T1 - Development of leaching procedures for synthetic turf systems T2 - WASCON 2012 CY - Gothenburg, Sweden DA - 0201-05-30 KW - Waste rubber KW - Artificial turf KW - Leaching behaviour KW - Batch test KW - Column test PY - 2012 SP - 1 EP - 5(?) PB - ISCOWA and SGI AN - OPUS4-26968 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Kalbe, Ute A1 - Krüger, Oliver A1 - Wachtendorf, Volker A1 - Berger, Wolfgang T1 - Umweltverträglichkeit von Kunststoff- und Kunststoffrasenbelägen auf Sportfreianlagen KW - Sportboden KW - Sportbodenbelag KW - Kunststoffbelag KW - Kunststoffrasenbelag KW - Kunstrasen KW - Schadstoff KW - Umweltverträglichkeit KW - Ökotoxizität PY - 2012 SN - 978-3-86884-522-8 IS - 2 SP - 1 EP - 261 PB - Sportverlag Strauß CY - Bonn AN - OPUS4-26997 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Geburtig, Anja A1 - Goedecke, Thomas A1 - Wachtendorf, Volker T1 - Combined impact of ultraviolet and chemical fluids on high-density polyethylene packaging material N2 - To investigate the ageing behaviour of filled plastic containers outdoors, square cuts of the wall of two high-density polyethylene (HDPE) types were exposed to ultraviolet (UV) radiation at their front side and to specific liquid chemicals (de-ionized water, surfactant or White Spirit) at their back. The UV radiant exposure at the front side was 80 MJ/m². To compare the actions of the different exposures, separate dark backside fluid exposures were performed, in parallel. Besides, UV weathering was carried out until a UV radiant exposure of 325 MJ/m², being roughly comparable to outdoor exposure of one year in Northern Australia. An unpigmented HDPE included in the investigation gave no sufficient protection for the White Spirit. In addition, it showed clear degradation after several of these exposures. In combination with the White Spirit, an increase of carbonyl bonds was measured, presumably assignable to degradation products of the White Spirit. For a pigmented HDPE material, with the implemented combined exposures, no relevant damage was observed, within applied the exposure period. KW - Weathering KW - UV KW - HDPE KW - Packaging PY - 2012 DO - https://doi.org/10.1002/pts.959 SN - 0894-3214 VL - 25 IS - 1 SP - 53 EP - 61 PB - Wiley CY - Chichester, UK AN - OPUS4-25417 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Kalbe, Ute A1 - Krüger, Oliver A1 - Wachtendorf, Volker A1 - Berger, Wolfgang A1 - Hally, S. T1 - Development of leaching procedures for synthetic turf systems containing scrap tyre granules N2 - Scrap tyres are widely reused in the form of granules as infill materials or component of sub-base layers in construction of sporting grounds such as synthetic turf areas and athletic track surfaces. The recycled rubber may contain organic and inorganic pollutants due to the presence of vulcanisation catalysts, stabilisers and other additives which can be released into soil and groundwater in the case of outdoor sports facilities. In order to evaluate the amount of potentially mobile pollutants, leaching tests can be employed. This study aimed particularly at the investigation of the feasibility of column tests using complete synthetic surface flooring or turf system assemblies. The release of zinc and polycyclic aromatic hydrocarbons (PAH) leached from components of sports surfaces containing recycled rubber granules was considered. Additionally, batch tests on coated and uncoated styrene butadiene rubber (SBR) granules aged by artificial weathering were performed to indicate its possible influence on the leaching behaviour of zinc and PAH. The chosen approach of column tests simulating typical complete synthetic sports surface installations has been proven to be feasible and robust. The time-dependent leaching behaviour and interactions between single components can be evaluated by column tests. Zinc was the most relevant contaminant in the eluates and its leachability was enhanced after accelerated ageing by artificial weathering. Leachable PAH were found in relatively low but well detectable amounts which increase by ageing as well. KW - Waste rubber KW - SBR KW - Artificial turf KW - Leaching KW - behaviour KW - Column test KW - Batch test KW - Weathering PY - 2013 DO - https://doi.org/10.1007/s12649-013-9248-5 SN - 1877-2641 SN - 1877-265X VL - 4 IS - 4 SP - 745 EP - 757 PB - Springer Science + Business Media CY - Dordrecht AN - OPUS4-29454 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Falkenhagen, Jana T1 - Combined impact of UV radiation and nitric acid on high‐density polyethylene containers as a laboratory test N2 - In a laboratory test, transparent high‐density polyethylene (HDPE) jerrycans have been exposed to both UV radiation and 55 wt‐% nitric acid solution at (41 ± 2)°C, for up to 20 days. For comparison, UV radiant exposure (21 days) and nitric acid exposure (up to 6 weeks) were performed separately, at nearly equal temperatures. The damages are compared with FTIR spectroscopy in ATR and HT‐gel permeation chromatography(GPC) on a molecular level and with hydraulic internal pressure testing as a component test. For the used jerrycans, relevant oxidation can only be found after the combined exposure. This is caused by the decomposition of nitric acid into nitrous gases by UV radiation, which is also observed at lower concentrations (28 wt‐%). After 6 days of laboratory exposure, this is rated as critical, which corresponds to about 1/10 year in Central Europe, according to the UV radiant exposure. The gradual increase in oxidative damage shows the reproducibility of the test. KW - Molecular mass distribution KW - High-density polyethylene KW - Nitric acid KW - UV radiation PY - 2022 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-550141 DO - https://doi.org/10.1002/pts.2673 SN - 0894-3214 SP - 1 EP - 7 PB - John Wiley & Sons Ltd AN - OPUS4-55014 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Trubiroha, P. A1 - Geburtig, Anja A1 - Wachtendorf, Volker T1 - Messung der Temperatur von bestrahlten Oberflächen-Blechdicke beim BST N2 - Die Grenzen der Oberflächentemperaturen von Proben, die der natürlichen oder einer künstlichen Globalstrahlung ausgesetzt sind, können grob mit sog. Schwarzstandard Thermometern BST oder Weißstandard Thermometern WST ermittelt werden [ 1a) ]. Um einige Mängel der aktuellen Konstruktion zu beseitigen, wird ein neues Konzept dieser Thermometer vorgeschlagen, das sie weniger träge und ihre physikalischen Eigenschaften ähnlicher denen einer 5 mm dicken Polymerplatte macht. Es wird auch gezeigt, dass eine Anforderung an die Reaktionszeit von weniger als 1 min in EN 513 unrealistisch ist. T2 - 45. Jahrestagung der GUS CY - Stutensee DA - 16.03.2016 KW - Oberflächentemperatur KW - Strahlungserwärmung KW - IR-Thermometer PY - 2016 SN - 978-3-9816286-7-8 SP - 125 EP - 134 AN - OPUS4-36916 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Meyer, S. A1 - Timmel, S. A1 - Gläser, M. A1 - Braun, Ulrike A1 - Wachtendorf, Volker A1 - Hagendorf, C. T1 - Polymer foil additives trigger the formation of snail trails in photovoltaic modules N2 - After several months of operation, many photovoltaic (PV) modules develop a discolouration defect called snail trails which appear as irregular dark traces across the cells. These traces are caused by silver nanoparticles accumulating within the encapsulation foil directly above the grid finger. In this work we systematically investigate combinations of encapsulation and back-sheet foils with respect to their susceptibility for snail trails. We can show that certain additive compositions within the encapsulation and back sheet foils are critical for the formation of the discolouring silver nanoparticles. We suggest a reaction model explaining the formation of snail trails from a chemical point of view. This fundamental understanding allows the rapid testing of foils for their snail trail sensitivity as well as the special design of resistant foils. KW - Snail trails KW - Encapsulation foil KW - Back-sheet foil KW - Additives KW - Silver nanoparticles PY - 2014 DO - https://doi.org/10.1016/j.solmat.2014.06.028 SN - 0927-0248 VL - 130 SP - 64 EP - 70 PB - Elsevier B.V. CY - Amsterdam [u.a.] AN - OPUS4-31249 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Geburtig, Anja A1 - Goedecke, Thomas A1 - Wachtendorf, Volker ED - Sek, M.A. ED - Rouillard, V. ED - Bigger, S.W. T1 - Outdoor weathering of HDPE containers filled with nitric acid N2 - Jerrycans made from three different types of high-density polyethylene (HDPE) were exposed outdoors, for one Berlin summer season. They were filled with a 55 percent nitric acid solution (HN03), pure water, or air, and half of them were protected from sunlight by an UV absorbing canvas. Thus, the separate effects of UV radiation and nitric acid could be compared to the combined impact. Combined impact was mainly affected by decomposition of nitric acid, resulting in presence of reactive nitrogen oxides, increased oxygen partial pressure, and UV radiation energy, simultaneously in vapour phase. To investigate the degradation effects after the outdoor exposure, jerrycans were exposed to a so called hydraulic internal pressure test, similar to an approval test for dangerous goods packaging. After combined impact of UV radiation and nitric acid, internal pressure tests showed very fast failures, whereas after separate impacts no remarkable deteriorations were observed, compared to unaged jerrycans. T2 - 19th IAPRI World conference on packaging CY - Melbourne, Australia DA - 15.06.2014 KW - High-density polyethylene HDPE KW - Nitric acid HNO3 KW - Outdoor exposure KW - UV radiation KW - Weathering PY - 2014 SN - 978-1-86272-699-4 SP - 556 EP - 560 AN - OPUS4-31222 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Trubiroha, P. A1 - Geburtig, Anja A1 - Wachtendorf, Volker ED - Reichert, T. T1 - Surface temperatures of irradiated test specimens - decisive physical quantities and a largely unsolved problem N2 - Temperature is an important parameter in weathering tests. In many (photo-)chemical degradation processes a Variation of the specimen temperature by A t = + 1 °C can cause a Variation of AP(property change) by ± 8%. Since the early eighties it is well known that some types of black panel thermometers can show temperatures that are far below the maximum surface temperature of a black specimen. Although, there were precise requirements for the black coating of the BPT, a replacement by a white coating - depending on the design of the BPT - did not really change the temperature shown by the thermometer. There was no correlation between the BPT and the specimen surface temperature. In Europe and later at ISO the so-called black- and white-standard thermometers BST/WST were introduced. Now, there are BST and WST (ISO) and there are thermally uninsulated and insulated BPT and WPT (ASTM), partly for artificial or for outdoor exposure. And there are other adventurous procedures to determine surface temperatures. The different types of thermometers and different procedures will be discussed and it will be shown that there is no procedure which establishes a correlation between outdoor surface temperatures and surface temperatures in artificial exposure tests. T2 - 6th European weathering symposium Natural and artificial ageing of polymers CY - Bratislava, Slovak Republic DA - 11.09.2013 PY - 2013 SN - 978-3-9813136-8-0 N1 - Serientitel: CEEES Publication – Series title: CEEES Publication IS - 16 SP - 185 EP - 194 AN - OPUS4-31292 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, P. A1 - Zäh, M. A1 - Schönlein, A. A1 - Müller, A. A1 - Vatahska, T. A1 - Manier, G. A1 - Reichert, T. ED - White, C. C. ED - Martin, J. ED - Chapin, J.T. T1 - Polypropylene numerical photoageing simulation by dose-response functions with respect to irradiation and temperature: vipquali project N2 - The aim of the joint project ViPQuali (Virtual Product Qualification) was to describe a component’s ageing behaviour in a given environment, by numerical simulation. Having chosen polypropylene (PP) as the material, which does not show sensitivity to moisture, the relevant weathering parameters of the dose–response functions could be limited to spectral irradiance and temperature. In artificial irradiation tests, for PP plates of varied stabiliser content, spectral sensitivity as well as temperature dependence of irradiation-caused crack formation was quantified. For that purpose, samples were exposed both to artificial weathering tests at various constant temperatures and to spectrally resolved irradiation. The temperature dependence could be modelled by an Arrhenius fit. For fitting the spectral sensitivity, a plateau function was chosen. Subsequently, the stabiliser content was parameterised and extrapolated. The formed dose–response functions were incorporated into a Computational Fluid Dynamics (CFD) software program, simulating the environment of a sample within a Phoenix-exposed IP/DP (Instrument Panel/Door Panel box) box, based on sun position and weather conditions, including radiation interactions. Observed local effects as well as the general ageing advance of PP hats are compared with respect to simulation and experiment. Resulting from this project, for this most simple example of PP of varied stabiliser content, the time to failure can be estimated for each weathering exposure environment with known time-resolved irradiance and temperature conditions. PY - 2015 SN - 978-3-319-06033-0 SN - 978-3-319-06034-7 DO - https://doi.org/10.1007/978-3-319-06034-7_14 SP - Chapter 14, 215 EP - 229 PB - Springer AN - OPUS4-32062 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Schadensanalyse im Bauwesen: Untersuchungen zu witterungsbedingten Schäden an einer polymeren Stadionverglasung T2 - PolymerTec 2014 (Veranstalter: Kunststoff-Kompetenzzentrum Halle-Merseburg, Insitut für Polymerwerkstoffe e. V.; Stiftung Akademie Mitteldeutsche Kunststoffinnovationen, Hochschule Merseburg) CY - Merseburg, Germany DA - 2014-06-25 PY - 2014 AN - OPUS4-30953 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Appajaiah, Anilkumar A1 - Wachtendorf, Volker A1 - Daum, Werner T1 - Climatic exposure of polymer optical fibers: Thermooxidative stability characterization by chemiluminescence N2 - The optical transmission stability was investigated for commercially available polymer optical fibers (POFs) which were exposed to a climate of 92°C and 95% relative humidity for about 3300 h. The optical transmission stability of POFs was correlated to their thermooxidative stability. POFs possessed identical core material, poly(methyl methacrylate), but they differed in the materials used for the claddings. The optical transmission was measured online using a prototype device called multiplexer. The chemiluminescence (CL) technique was applied to characterize the thermooxidative stability and degradation of POFs. CL analysis reveals the thermooxidative degradation of bare POFs (core and cladding), predominantly of the claddings, as a result of climatic exposure. Ultraviolet-visible transmittance measurements demonstrated more changes in the claddings as compared to the cores due to degradation. The CL and optical measurements data indicated that the optical transmission stability of POFs was dependent mainly on the thermooxidative stability of the claddings and their chemical compositions. KW - Ageing KW - Polymer optical fiber KW - Degradation KW - Chemiluminescence KW - Transparency PY - 2007 DO - https://doi.org/10.1002/app.23955 SN - 0021-8995 SN - 1097-4628 VL - 103 IS - 3 SP - 1593 EP - 1601 PB - Wiley InterScience CY - Hoboken, NJ AN - OPUS4-19072 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Künstliche Bewitterungstests für polymere Beschichtungen T2 - TAW Symposium: "3. Korrosionsschutz-Symposium - Korrosionsschutz durch Beschichtungen in Theorie und Praxis" CY - Titisee-Neustadt, Germany DA - 2009-06-17 PY - 2009 AN - OPUS4-19590 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker A1 - Geburtig, Anja A1 - Trubiroha, Peter T1 - Spezifische Witterungsempfindlichkeiten verschiedener Kunststoffe im Außenbereich T2 - SKZ Fachtagung "Bewitterung von Kunststoffen und Lacken" CY - Würzburg, Germany DA - 2009-03-04 PY - 2009 AN - OPUS4-19591 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Geburtig, Anja A1 - Wachtendorf, Volker A1 - Trubiroha, Peter T1 - Accelerated weathering test for plastics and coatings that are exposed to acidic precipitation T2 - 7th International Symposium on Weatherability (Proceedings ) CY - Yokohama, Japan DA - 2008-10-23 KW - Acid rain KW - ADF KW - Acid dew and fog test KW - Artificial weathering test PY - 2008 SP - 49 EP - 54 CY - Yokohama AN - OPUS4-21116 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Chemiluminescence for the early detection of weathering effects of coatings - Part I: Fundamentals KW - Chemiluminescence KW - Weathering KW - Polymer KW - Oxidation PY - 2010 SN - 1547-0083 VL - 7 IS - 4 SP - 66 EP - 71 PB - Federation of Societies for Coatings Technology CY - Blue Bell, Pa. AN - OPUS4-21493 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Chemiluminescence for the early detection of weathering effects of coatings - Part II: Experimental set-up and examination KW - Chemiluminescence KW - Weathering KW - Polymer KW - Oxidation PY - 2010 SN - 1547-0083 VL - 7 IS - 5 SP - 38 EP - 44 PB - Federation of Societies for Coatings Technology CY - Blue Bell, Pa. AN - OPUS4-21494 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Geburtig, Anja A1 - Wachtendorf, Volker T1 - Determination of the spectral sensitivity and temperature dependence of polypropylene crack formation caused by UV-irradiation N2 - For polypropylene of varied stabilization, spectral sensitivity as well as temperature dependence of irradiation caused crack formation was determined in artificial irradiation tests. UV radiant exposure HUV necessary to generate crack formation was measured both in spectrally dispersed irradiation and artificial irradiation in a Fluorescent UV lamp device. Dependencies were fitted to a plateau function and an Arrhenius function, respectively, to describe the action of irradiation by response functions. Applied to weather data from Phoenix, the results were compared with respective outdoor exposure results. KW - Weathering KW - UV KW - Temperature KW - Numerical simulation PY - 2010 DO - https://doi.org/10.1016/j.polymdegradstab.2010.06.014 SN - 0141-3910 SN - 1873-2321 VL - 95 IS - 10 SP - 2118 EP - 2123 PB - Applied Science Publ. CY - London AN - OPUS4-21913 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -