THE EFFECT OF A CORE-SHELL TOUGHNER ON COMPATIBILIZATION OF THERMAL PLASTIC COPOLYESTER/POLYETHYLENE-OCTENE ELASTOMER BLENDS

LEI Ming; ZOU Junfeng; YU Zhongzhen; OU Yuchun; YANG Guisheng

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THE EFFECT OF A CORE-SHELL TOUGHNER ON COMPATIBILIZATION OF THERMAL PLASTIC COPOLYESTER/POLYETHYLENE-OCTENE ELASTOMER BLENDS

Research Article | 更新时间：2021-03-19

- THE EFFECT OF A CORE-SHELL TOUGHNER ON COMPATIBILIZATION OF THERMAL PLASTIC COPOLYESTER/POLYETHYLENE-OCTENE ELASTOMER BLENDS
- Acta Polymerica Sinica Issue 5, Pages: 608-611(2000)
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- Published：20 October 2000，
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LEI Ming, ZOU Junfeng, YU Zhongzhen, OU Yuchun, YANG Guisheng. THE EFFECT OF A CORE-SHELL TOUGHNER ON COMPATIBILIZATION OF THERMAL PLASTIC COPOLYESTER/POLYETHYLENE-OCTENE ELASTOMER BLENDS. [J]. Acta Polymerica Sinica (5):608-611(2000)
DOI：

LEI Ming, ZOU Junfeng, YU Zhongzhen, OU Yuchun, YANG Guisheng. THE EFFECT OF A CORE-SHELL TOUGHNER ON COMPATIBILIZATION OF THERMAL PLASTIC COPOLYESTER/POLYETHYLENE-OCTENE ELASTOMER BLENDS. [J]. Acta Polymerica Sinica (5):608-611(2000) DOI：

摘要

研究了马来酸酐接枝的聚乙烯辛烯弹性体 /半结晶性塑料共混物 (TPEg)对热塑性共聚聚酯(PETG) /聚乙烯辛烯弹性体 (TPE)共混体系增容增韧作用的影响 .马来酸酐接枝物显著地改善了PETG与TPE之间的相容性

导致TPE分散相颗粒细化

并促使分散相颗粒面间距等于甚至小于实现脆韧转变所需的临界面间距 .在固定PETG基体含量为 85wt %的前提下

当TPEg在15%分散相中的含量由20%增加到30%时

即TPEg在共混体系中的含量由3%增加到45%时

共混体系出现了由脆性到韧性的转变

冲击强度急剧升高.

Abstract

A maleic anhydride grafted polyethylene-octene rubber/semi-crystalline polymer blend(TPEg)was adopted as a compatibilizer to compatibilize amorphous copolyester (PETG)/polyethylene-octene rubber (TPE) blends.The presence of maleic anhydride group on the TPEg increases the compatibility between PETG and TPE and decreases the dispersed phase size.At a fixed PETG content of 85wt%

a sharp brittle-tough transition occurs when the TPEg content in the dispersed phase increases from 20 to 30 wt%

namely that the TPEg content in the blend increases from 3 to 4.5 wt%.

关键词

增韧界面相容性热塑性共聚酯

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