Chemical characterization of the long-term ageing of nitrogen-rich plasma polymer films under various ambient conditions
- Nitrogen rich plasma polymer films (L-PPE:N) were prepared by low-pressure RF plasma using a 1:1 mixture of ethylene and ammonia and aged for 345 d in four different ambient conditions: (i) at room temperature (RT) in air; (ii) at RT in nitrogen; (iii) at -20?°C in air and; (iv) at –20 °C in nitrogen. The films were analyzed by X-ray photoelectron spectroscopy (XPS) and by time-of-flight secondary ion mass spectrometry (ToF-SIMS) at various intervals over the duration of the experiment. The ageing of primary amines, NH2, was followed by chemical derivatization with 4-trifluoromethyl benzaldehyde. Storage at –20 °C, mostly independently of ambient atmosphere, slowed down ageing to almost undetectable levels as evaluated by the analytical methods used for this study.
Autor*innen: | P.-L. Girard-Lauriault, Paul Dietrich, Thomas Gross, Thomas Wirth, Wolfgang UngerORCiD |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Plasma processes and polymers |
Jahr der Erstveröffentlichung: | 2013 |
Verlag: | Wiley-VCH Verl. |
Verlagsort: | Weinheim |
Jahrgang/Band: | 10 |
Ausgabe/Heft: | 4 |
Erste Seite: | 388 |
Letzte Seite: | 395 |
Freie Schlagwörter: | Ageing; Plasma polymers; Primary amines; ToF-SIMS; XPS |
DOI: | 10.1002/ppap.201200118 |
ISSN: | 1612-8850 |
ISSN: | 1612-8869 |
Verfügbarkeit des Dokuments: | Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access") |
Bibliotheksstandort: | Sonderstandort: Publica-Schrank |
Datum der Freischaltung: | 20.02.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 11.04.2013 |