Soluble wholly aromatic polyamides containing unsymmetrical pyridyl ether linkages

被引：53
作者：
In, I
Kim, SY
机构：
[1] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Sch Mol Sci, Taejon 305701, South Korea
来源：
POLYMER | 2006年 / 47卷 / 02期
关键词：
high performance polymers; polyamide; step-growth polymerization;
D O I：
10.1016/j.polymer.2005.11.064
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Wholly aromatic polyamides were synthesized from the amidation reaction between unsymmetrical diamine containing a pyridyl ether linkage and aromatic dicarboxylic acid chloride. The resulting polyamides containing, pyridyl ether linkages showed high thermal stability (T-d5 =467 degrees C and enhanced solubility in organic solvents compared with the analogous polyamides having phenyl ether linkages. Substitution of just a single atom in a repeating unit was effective to disrupt the strong inter-chain interaction of parent aramid polymers. (c) 2005 Elsevier Ltd. All rights reserved.
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收藏
页码：547 / 552
页数：6
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