PHOTOINITIATED AND THERMOINITIATED OXIDATION OF HIGH-IMPACT POLYSTYRENE .1. CHARACTERIZATION BY FT-IR SPECTROSCOPY

被引:34
作者
ISRAELI, Y
LACOSTE, J
LEMAIRE, J
SINGH, RP
SIVRAM, S
机构
[1] NATL CHEM LAB,DIV POLYMER CHEM,POONA 411008,MAHARASHTRA,INDIA
[2] UNIV CLERMONT FERRAND,PHOTOCHIM LAB,F-63177 CLERMONT FERRAND,FRANCE
关键词
PHOTOOXIDATION; THERMAL-OXIDATION; HIGH-IMPACT; POLYSTYRENE; FT-IR SPECTROSCOPY; DERIVATIZATION REACTION; OXIDATION PROFILE;
D O I
10.1002/pola.1994.080320310
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The photo- and thermooxidative degradation of different grades of high-impact polystyrene (HIPS) has been studied by FT-IR spectroscopy. The oxidized films were treated with NH3 and SF4 for the rapid identification and resolution of the various carbonyl species, alcohols, and hydroperoxides. All the sample gave similar oxidation products, but in varying quantities. The heterogenity in the film was also determined by micro-FT-IR spectroscopy. The thermal degradation processes at different temperature were compared. (C) 1994 John Wiley & Sons, Inc.
引用
收藏
页码:485 / 493
页数:9
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