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Photoinitiated oxidation of heterophasic ethylene–propylene copolymers. I. Comparison of oxidation products
Author(s) -
Singh R. P.,
Mani R.,
Sivaram S.,
Lacoste J.,
Vaillant D.
Publication year - 1993
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1993.070501103
Subject(s) - copolymer , ethylene , derivatization , infrared spectroscopy , ethylene propylene rubber , fourier transform infrared spectroscopy , polymer chemistry , chemistry , spectroscopy , materials science , photochemistry , organic chemistry , chemical engineering , catalysis , polymer , high performance liquid chromatography , quantum mechanics , engineering , physics
Detailed photoproducts from photoirradiation of heterophasic ethylene‐propylene copolymers and their fractions have been compared by infrared spectroscopy combined with chemical derivatization. The oxidized films were treated with gaseous NH 3 , SF 4 , and NO for the rapid identification and resolution of the various carbonyl species, alcohols, and hydroperoxides. The photoproduct formation depends upon the composition of the sample. The heterogeneities in thin films were also determined by micro FTIR spectroscopy. © 1993 John Wiley & Sons, Inc.