中国塑料

中国塑料 ›› 2013, Vol. 27 ›› Issue (10): 32-35 .DOI: 10.19491/j.issn.1001-9278.2013.10.007

• 材料与性能 • 上一篇    下一篇

CPVC/ABS/AS与CPVC/ABS共混体系性能研究

袁茂全 王健   

  1. 上海氯碱化工股份有限公司 上海氯碱化工股份有限公司
  • 收稿日期:2013-05-29 修回日期:1900-01-01 出版日期:2013-10-26 发布日期:2013-10-26

Study on Properties of CPVC/ABS/AS and CPVC/ABS Blends

  

  • Received:2013-05-29 Revised:1900-01-01 Online:2013-10-26 Published:2013-10-26

摘要： 研究了丙烯腈丁二烯苯乙烯共聚物(ABS)含量对氯化聚氯乙烯(CPVC)/ABS/丙烯腈苯乙烯共聚物（AS）及CPVC/ABS共混体系力学性能、耐热性能以及阻燃性能的影响。结果表明，在CPVC/ABS/AS三元共混体系中，当ABS含量由零增加到30 %（质量分数，下同）时，共混体系的冲击强度由11.5 kJ/m2上升至39.1 kJ/m2；在CPVC/ABS二元共混体系中，当ABS含量由零增加到25 %时，共混体系的冲击强度由11.1 kJ/m2上升至52.6 kJ/m2，拉伸强度、弯曲强度和维卡软化点随着ABS含量的增加而下降；共混体系的阻燃性能与CPVC用量密切相关，在CPVC∶ABS（或ABS+AS）=6∶4时，共混体系的极限氧指数达到了31 %。

关键词: 氯化聚氯乙烯, 丙烯腈丁二烯苯乙烯共聚物, 丙烯腈苯乙烯共聚物, 共混, 力学性能

Abstract: This paper studied the effect of ABS on the mechanical properties, Vicat softening point, and flame retardant performance of CPVC/ABS/AS and CPVC/ABS blends. In the CPVC/ABS/AS system, with the loading of ABS increased from 0 to 30 %, the impact strength was increased from 11.5 to 39.3 kJ/m2. In CPVC/ABS system, with the loading of ABS increased from 0 to 25 %, the impact strength was increased from 11.1 to 52.6 kJ/m2, but the tensile and flexural strengths, Vicat softening point of the blends were reduced. Moreover, the flame retardant performance of the blends was mainly related to the content of CPVC. When CPVC/ABS (or ABS+AS)=6∶4, the limited oxygen index was about 31 %.

Key words: chlorinated poly(vinyl chloride), acrylonitrilebutadienestyrene copolymer, acrylonitrilestyrene copolymer, blending, mechanical property

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