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Effect of Novel Compatibilizer(KY-6B)on Properties of PC/PBT Alloy
Author(s): ZHANG jin-zhu, Xu Ying-bin, ZHENG Dian-jun, LIN Xiao-dan
Pages: 199-
202
Year: 2005
Issue:
z1
Journal: CHINA PLASTICS INDUSTRY
Keyword: 增容剂; 聚碳酸酯; 聚对苯二甲酸丁二醇酯; 结构; 性能;
Abstract: 研究了新型增容剂丙烯酯与缩水甘油酯双官能化的乙烯类弹性体(KY-6B)对PC/PBT合金的性能及结构的影响.结果表明,随着KY-6B含量的增加,C/PBT合金的拉伸强度、弯曲强度及弯曲模量逐渐下降,而缺口冲击强度、断裂伸长率逐渐上升,非缺口冲击强度变化不大.PC/PBT合金的上述性能当KY-6B含量超过8%时变化不明显.IR图谱显示,Y-6B的存在使PC与PBT的C=O吸收峰更靠近.DsC测试结果表明,Y-6B可使PC/PBT合金中PC与PBT两者的Tg之差减小,BT的熔点、熔融烩、结晶温度有所降低.SEM图谱显示,随KY-6B含量增加,PC/PBT合金的冲击断面逐渐变得粗糙、孔洞化和银纹丝状连接增多.上述测试结果都表明KY-6B是PC/PBT合金的优良增容剂和冲击改性剂.
Citations
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