Synthesis of poly(butylene adipate) by condensation polymerization and a chain-extending reaction with adipoyl biscaprolactamate

被引：0

作者：

Kai Yong Li ^{[1
]}

Yi Wen Li ^{[1
]}

Jing Bo Zhao ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, Minist Educ, Key Lab Sci & Technol Controllable Chem React, Beijing 100029, Peoples R China

来源：

JOURNAL OF POLYMER MATERIALS | 2006年 / 23卷 / 02期

关键词：

polybutylene adipate; adipoyl biscaprolactamate; aliphatic polyester; polycondensation; chain-extending reaction;

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

HO-terminated poly butylene adipate (HO-PBA-OH) with molecular weight from 1044 to 3540 was synthesized through melt condensation Polymerization from adipic acid with excess of butanediol. A chain-extending reaction of HO-PBA-OH with adipoyl biscaprolactamate (ABC) was carried out at 200 similar to 240 degrees C under reduced pressure. At the optimal conditions, the chain-extended PBA with Mn up to 26589 and Mw upto 58236 was obtained. The chain-extended polyesters were characterized by gel permeation chromatography (GPC), IR spectrum, H-1 NMR spectrum, and differential scanning calorimetry (DSC). Based an the IR and H-1 NMR studies, the mechanism of the chain-extending reaction was proposed. The chain-extending reaction proceeds through the elimination of caprolactam ring in the chain-extender.

引用

页码：177 / 183

页数：7

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