Electrooptical properties of poly[1-(trimethylsilyl)-1-propyne] in solutions

被引：0
|
作者：
Ryumtsev, EI
Evlampieva, NP
Shtennikova, IN
Khotimskii, VS
Litvinova, EG
Platé, NA
机构：
[1] St Petersburg State Univ, Inst Phys, St Petersburg 198904, Russia
[2] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
[3] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 117912, Russia
来源：
VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A & SERIYA B | 1999年 / 41卷 / 07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：
Birefringence induced by the sinusoidal electric field (the Ken effect) was studied in the dilute solutions of the fractions of disubstituted polyacetylene, poly[1-(trimethylsilyl)-1-propyne]. It was shown that the electric field-induced orientation of macromolecules exhibits a large-scale character. In the Gaussian region of chain lengths, the specific Kerr constant was found to be dependent on the molecular mass of the polymer. This trend is not predicted by the modern theories developed for the electrooptical properties of polymers. The features of the dipole structure and the stereoregularity of the polymer chain are considered to be the possible reasons for this phenomenon.
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页码：1169 / 1175
页数：7
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