TY - CONF A1 - Wachtendorf, Volker 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 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 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 - CONF A1 - Wachtendorf, Volker T1 - Alterung von Polymeren durch Witterungsbeanspruchung T2 - 25. Darmstädter Kunststoff-Kolloquium, "Schadensanalytik heute - Methoden und Anwendungen" CY - Darmstadt, Germany DA - 2009-09-10 PY - 2009 AN - OPUS4-20573 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker T1 - Influence of Weathering on the Stability of Flame Retardancy in Polymeric Materials for Outdoor Use T2 - 4th European Weathering Symposium (Poster 26) CY - Budapest, Hungary DA - 2009-09-16 PY - 2009 AN - OPUS4-19918 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Wachtendorf, Volker A1 - Geburtig, Anja T1 - Alterungsvorgänge durch Bewitterung bei Beschichtungen und deren Untersuchung und Prüfung T2 - 42. Fortbildungskurs SAH - Holzoberflächen in der Fassadengestaltung CY - Weinfelden, Schweiz DA - 2010-10-26 KW - Bewitterung KW - Alterung KW - Holz PY - 2010 SN - 978-3-906703-26-8 SP - 29 EP - 38 CY - Zürich, Schweiz AN - OPUS4-22601 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker 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 - CONF A1 - Wachtendorf, Volker 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 - 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 - CONF A1 - Wachtendorf, Volker 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 T1 - CarbonLifeCycle - Weathering Induced Degradation of Nanoparticle-Functionalised Polymers T2 - 5th European Weathering Symposium (EWS) CY - Lisbon, Portugal DA - 2011-09-21 PY - 2011 AN - OPUS4-24424 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wachtendorf, Volker 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 - 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 - 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 - CONF A1 - Trubiroha, P. A1 - Geburtig, Anja A1 - Wachtendorf, Volker ED - Reichert, T. T1 - On the yet unsolved problem of the determination of precise surface temperatures of specimens exposed to natural and artificial weathering N2 - The surface temperature of test specimens exposed to natural and artificial solar radiation are roughly ascertained with black standard thermometers BST and white standard thermometers WST. For the calibration of these thermometers a new European Standard prEN 16465 was published in 2015, describing the well-known contact method and a new contactless method with a pyrometer. It can be confirmed that the temperature calibrations according to the two methods provide different calibration results which are not interchangeable (which is already stated in the scope of this standard). The described contactless method to determine the surface temperature 'under radiation load' results in clearly too high temperatures. This paper tries to highlighting the reasons. T2 - 7th European weathering symposium - Natural and artificial ageing of polymers CY - Naples, Italy DA - 16.09.2015 PY - 2015 SN - 978-3-9816286-6-1 N1 - Serientitel: CEEES Publication – Series title: CEEES Publication IS - 17 SP - 23 EP - 36 AN - OPUS4-34351 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -