NEW MAIN CHAIN NONLINEAR OPTICAL POLYMERS WITH HIGH GLASS-TRANSITION TEMPERATURES

被引：14

作者：

MITCHELL, MA ^{[1
]}

MULVANEY, JE ^{[1
]}

HALL, HK ^{[1
]}

WILLAND, CS ^{[1
]}

HAMPSCH, H ^{[1
]}

WILLIAMS, DJ ^{[1
]}

机构：

[1] EASTMAN KODAK CO,CORP RES LAB,ROCHESTER,NY 14650

来源：

POLYMER BULLETIN | 1992年 / 28卷 / 04期

关键词：

D O I：

10.1007/BF00297329

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Various 4-methoxy-4'-carbomethoxy-alpha-amino-alpha'-cyanostilbenes were prepared as mixtures of E and Z isomers, and polymerized via condensation polymerization using dibutyltin diacetate as catalyst. The resulting low molecular weight homopolymers showed higher glass transition temperatures (168-183-degrees-C) than previously reported main chain nonlinear optical (NLO) homopolymers. A high molecular weight (M(n) congruent-to 30,200) copolymer possessed an even higher glass transition temperature of 187-degrees-C. The hyperpolarizability of the polymers and a model compound were found by EFISH measurements to be in the range of 61 to 79 x 10(-48) esu.

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页码：381 / 388

页数：8

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