Properties and microstructure of polybutylene terephthalate/polycarbonate alloy plastics

WU Chengxu; ZHOU Jian; LI Xuefei; LI Lei

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Properties and microstructure of polybutylene terephthalate/polycarbonate alloy plastics

更新时间：2025-12-10

- Properties and microstructure of polybutylene terephthalate/polycarbonate alloy plastics
- CIESC Journal Issue 6, Pages: 1571-1576(2010)
- 作者机构：
  
  1. 常州大学材料科学与工程学院
  2. 江苏技术师范学院材料工程学院，
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 June 2010，
  
  Published：05 June 2010
- 稿件说明：
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WU Chengxu, ZHOU Jian, LI Xuefei, et al. Properties and microstructure of polybutylene terephthalate/polycarbonate alloy plastics[J]. CIESC Journal, 2010, (6): 1571-1576.
DOI：

WU Chengxu, ZHOU Jian, LI Xuefei, et al. Properties and microstructure of polybutylene terephthalate/polycarbonate alloy plastics[J]. CIESC Journal, 2010, (6): 1571-1576. DOI：

摘要

分别以丙烯酸酯与缩水甘油酯双官能化的乙烯类弹性体KT-22与具有“核-壳”结构的S-2001作为增韧剂，以聚对苯二甲酸丁二醇酯（PBT）与聚碳酸酯（PC）作为基体材料，通过熔融共混挤出工艺，制得高韧性的PBT/PC合金。研究了增韧剂含量对合金的力学性能、流动速率、维卡软化温度的影响;用SEM对PBT/PC合金塑料的断面形貌进行了分析研究。结果表明：增韧剂KT-22和S-2001对PBT/PC合金塑料具有良好的增韧作用，但弹性体S-2001的增韧效果优于弹性体KT-22。

Abstract

A double-functionalized ethene elastomer KT-22 or a “core - shell” structured S-2001 was used as toughening agent and polybutylene terephthalate (PBT) or polycarbonate (PC) was a substrate material to prepare high toughness PBT/PC alloy plastics through melt extrusion blending process.The effects of toughening agent content on the alloy mechanical properties

melt flow rate

Vicat softening temperature were investigated and the microstructure of PBT/PC alloy was studied by using scanning electron microscopy (SEM).The results showed that both elastomer KT-22 and S-2001 had good toughening effect on PBT/PC alloy plastics

but the toughening effect of S-2001 was better than that of KT-22.

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