HIGH-PERFORMANCE POLYMER PARTICLES FOR COMPOSITE MATRICES - POLY(ARYLENE ETHER ETHER SULFIDE)S

被引：13
|
作者：
BABU, JR
BRINK, AE
KONAS, M
RIFFLE, JS
机构：
[1] VIRGINIA POLYTECH INST & STATE UNIV,NATL SCI FDN,BLACKSBURG,VA 24061
[2] ACAD SCI CZECH REPUBL,INST MACROMOLEC CHEM,PRAGUE,CZECH REPUBLIC
来源：
POLYMER | 1994年 / 35卷 / 23期
关键词：
HIGH PERFORMANCE POLYMERS; PARTICLE; COMPOSITE;
D O I：
10.1016/0032-3861(94)90649-1
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 method has been developed for the synthesis of semicrystalline poly(arylene ether ether sulfide) materials by first preparing a soluble, amorphous sulfoxide containing precursor, then rapidly reducing the sulfoxide moiety to sulfide. The sulfoxide polymers are synthesized using conventional nucleophilic aromatic substitution reactions between difluorodiphenyl sulfoxide and diphenols. Reduction of the poly(ether ether sulfoxide)s with oxalyl chloride in conjunction with an iodide salt provides quantitative conversion of sulfoxide to sulfide within seconds, and the insoluble, semicrystalline poly(arylene ether ether sulfide) precipitates in the form of fine particles. Using this soluble precursor approach for preparing semicrystalline material allows there to be good control of molecular weight and end group structure.
引用
收藏
页码：4949 / 4955
页数：7
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