THE COMPATIBILITY AND TRANSESTERIFICATION FOR BLENDS OF POLY(ETHYLENE-TEREPHTHALATE) POLY(BISPHENOL-A CARBONATE)

被引：88

作者：

WANG, LH ^{[1
]}

HUANG, ZH ^{[1
]}

HONG, TX ^{[1
]}

PORTER, RS ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT POLYMER SCI & ENGN,AMHERST,MA 01003

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 1990年 / B29卷 / 2-3期

关键词：

D O I：

10.1080/00222349008245771

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 study has been made of the influence of transesterifica-tion on the miscibility in binary blends of poly (ethylene terephthalate) and poly(bisphenol-A carbonate). The blends were melt mixed in the range 260-300°C and studied by differential scanning calorimetry, dynamic mechanic analysis, and by Fourier transform infrared spectrometry. It was found that copolymer produced by a transesterification reaction can enhance the miscibility of this system. The new compositions were uniquely identified by FTIR. Gel permeation chromatography showed that molecular weight decreases were not the origin of miscibility. The ester exchange reaction itself was found to be initiated by the residual catalyst in the commercial polymers selected for study. This has been shown by the absence of reaction after polymer purification by solution and reorecinitation prior to melt mixing. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：155 / 169

页数：15

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