Low-frequency dielectric relaxation of films based on PMMA and polyimide

被引：0
|
作者：
Bradulina, LG
Gavrilova, ND
Vygodskii, YS
Matieva, AM
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia
[2] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 117813, Russia
来源：
VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A & SERIYA B | 1999年 / 41卷 / 05期
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D O I：
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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 relaxation phenomena in polymer films made of PMMA and polyimide were studied by the dielectric method in the frequency range from 20 Hz to 20 kHz and in the temperature range from -50 to +50 degrees C. It was shown that the relaxation behavior in the PMMA-polyimide copolymer is determined by the relaxation of polyimide, even for the PMMA : polyimide mass ratio = 96 : 4.
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页码：901 / 905
页数：5
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