FTIR spectroscopic evidence of lowered chain interpenetration in thin polymer films

被引：13
|
作者：
Tretinnikov, ON [1 ]
Zbankov, RG [1 ]
机构：
[1] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk 220072, BELARUS
来源：
MACROMOLECULES | 2004年 / 37卷 / 10期
关键词：
D O I：
10.1021/ma049492g
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Lowered chain interpretation in freely standing thin polystyrene films was analyzed by using Fourier transform infrared spectroscopy (FTIR). It was found that the thin films of atactic PS exhibited the infrared (IR) bands characteristic of isolated or weakly overlapped chains. It was also found that IR bands increased with the decreasing film thickness and upon annealing the films above the glass transition temperature. The results show that the chains are less overlapped than in bulk in thin polymer films.
引用
收藏
页码：3543 / 3545
页数：3
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