Synthesis of Highly Refractive Polyimides Derived from 3,6-Bis(4-aminophenylenesulfanyl)pyridazine and 4,6-Bis(4-aminophenylenesulfanyl)pyrimidine

被引：55

作者：

You, Nam-Ho ^{[1
]}

Nakamura, Yasuhiro ^{[1
]}

Suzuki, Yasuo ^{[1
]}

Higashihara, Tomoya ^{[1
]}

Ando, Shinji ^{[1
]}

Ueda, Mitsuru ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2009年 / 47卷 / 19期

关键词：

high performance polymers; highly refractive index; polyimides; pyridazine; pyrimidine; refractive index; AROMATIC TETRACARBOXYLIC DIANHYDRIDES; DIAMINES; INDEXES;

D O I：

10.1002/pola.23538

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of aromatic polyimides (PIS) containing pyridazine or pyrimidine in their main chains has been developed. All of the PIS were prepared from newly synthesized diamines, 3,6-bis(4-aminophenylenesulfanyl)pyridazine (APP), 4,6-bis(4-aminophenylenesulfanyl)pyrimidine (APPM) and aromatic dianhydrides, 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride (3SDEA) and 4,4'-oxydiphthalic anhydride (ODPA) via the conventional two-step polycondensation. The PIS showed good thermal stability with 10% weight loss at temperatures above 450 degrees C and glass transition temperatures above 190 degrees C. Films with a 10-mu m thickness exhibited good optical transparency above 80% at 500 nm, high refractive indices ranging from 1.7218 to 1.7499, and low birefringence between 0.0066 and 0.0102. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 4886-4894, 2009

引用

页码：4886 / 4894

页数：9

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