POLYESTER-POLYSTYRENE BLOCK COPOLYMERS AND THEIR INFLUENCE ON PHASE MORPHOLOGY AND MECHANICAL-PROPERTIES IN POLYMER BLENDS

被引：35

作者：

YOSHIDA, M

MA, JJ

MIN, K

WHITE, JL

QUIRK, RP

机构：

[1] UNIV AKRON,CTR POLYMER ENGN,AKRON,OH 44325

[2] UNIV AKRON,COLL POLYMER SCI & POLYMER ENGN,INST POLYMER SCI,AKRON,OH 44325

来源：

POLYMER ENGINEERING AND SCIENCE | 1990年 / 30卷 / 01期

关键词：

D O I：

10.1002/pen.760300106

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

New block copolymers of polystyrene with polyesters have been synthesized and investigated as compatibilizing agents. The addition of block copolymers in immiscible blends of polybutylene terephthalate and (i) polystyrene, (ii) polystyrene/poly(2,6‐dimethyl 1,4‐phenylene oxide) as well as (iii) high impact polystyrene drastically reduced the dimensions of the dispersed phase and stabilized the phase growth with annealing time. Stress‐strain curves for the binary blends indicate brittle behavior. The addition of more than 10 wt% of block copolymers transforms their brittle characteristics to ductile behavior. Copyright © 1990 Society of Plastics Engineers

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页码：30 / 43

页数：14

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