期刊
APPLIED SURFACE SCIENCE
卷 231, 期 -, 页码 302-308出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2004.03.068
关键词
surface modification; surface characterization; ToF/SIMS; polymer photochemistry
Irradiation of PET with 172 nm UV light in the absence of oxygen induces carbonyl elimination and carboxylic acid formation. Using ToF/SIMS to examine irradiated and as received materials with and without deuteration provides insight into the mechanisms. A Norrish type II mechanism is indicated for acid group formation and the mechanism of Day and Wiles [J. Appl. Polym. Sci. 16 (1972) 175; Polym. Lett. 9 (1971) 665] for decarbonylation. (C) 2004 Elsevier B.V. All rights reserved.
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