Effect of the brush structure on the degradation mechanism of polystyrene-clay nanocomposites

被引：48
|
作者：
Chen, K
Susner, MA
Vyazovkin, S [1 ]
机构：
[1] Univ Alabama Birmingham, Dept Chem, Birmingham, AL 35294 USA
[2] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2005年 / 26卷 / 09期
关键词：
clay; degradation; FT-IR; mass spectrometry; nanocomposites;
D O I：
10.1002/marc.200500043
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Pyrolysis-GC-MS and TGA-FT-IR methods have been used to perform a comparative degradation study of polystyrene and a polystyrene-clay composite. An abnormally high yield of a-methylstyrene has been detected for the composite. This and other differences in degradation products have been explained by enhanced intermolecular interaction of the grafted PS chains, forming, a brush structure. A conceptual model of the process has been suggested.
引用
收藏
页码：690 / 695
页数：6
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