SYNTHESIS OF SULFONE-CONTAINING POLYAMIDES BY DIRECT POLYCONDENSATION WITH TRIPHENYL PHOSPHITE

被引：34
|
作者：
HSIAO, SH [1 ]
YANG, CP [1 ]
机构：
[1] TATUNG INST TECHNOL,DEPT CHEM ENGN,40 CHUNGSHAN N RD,3RD SEC,TAIPEI,TAIWAN
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1990年 / 28卷 / 09期
关键词：
D O I：
10.1002/pola.1990.080280922
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Several sulfone‐containing polyamides were prepared by the direct polycondensation reaction of 4,4′‐dicarboxydiphenyl sulfone (DCDPS) with various aromatic diamines by means of triphenyl phosphite in NMP‐pyridine solution containing 4 wt % LiCl. DCDPS was synthesized in two steps by the preparation of 4,4′‐dimethyldiphenyl sulfone (DMDPS) from toluene and chlorosulfonic acid and subsequent oxidation with an alkaline solution of potassium permanganate. The polyamides were obtained in 85–100% yield and had inherent viscosities in the range 0.42–1.65 dL/g. Their solubility, crystallinity, and thermal properties are also discussed. Copyright © 1990 John Wiley & Sons, Inc.
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页码：2501 / 2508
页数：8
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