纺织学报 ›› 2012, Vol. 33 ›› Issue (11): 20-26.

• 纤维材料 • 上一篇    下一篇

三聚氰胺氰尿酸盐对阻燃PET的影响

梁科文,王锐,朱志国,董振峰   

  1. 北京服装学院材料科学与工程学院
  • 收稿日期:2011-10-17 修回日期:2012-02-15 出版日期:2012-11-15 发布日期:2012-11-20
  • 通讯作者: 王锐 E-mail:wangrui166@sohu.com
  • 基金资助:

    北京市人才强教计划—高层次人才项目

Influence of melamine cyanurate on flame retardancy of poly(ethylene terephthalate)

  • Received:2011-10-17 Revised:2012-02-15 Online:2012-11-15 Published:2012-11-20

摘要: 使用三聚氰胺氰尿酸盐(MCA)分别与聚对苯二甲酸乙二醇酯(PET)及含磷共聚酯(CP-PET)合成PET-MCA复合物和CP-PET-MCA复合物。借助TGA、LOI、垂直燃烧仪(UL-94)、锥形量热仪、SEM和EDS等测试方法对其热稳定性、阻燃性能和成炭情况等进行研究,并初步分析了其作用机理。研究结果表明,PET-MCA复合物和CP-PET-MCA复合物的初始热分解温度有所降低,燃烧后残炭量提高,极限氧指数(LOI)有所提高,并且CP-PET-MCA复合物在UL-94测试中达到V-0级标准,成炭情况良好,MCA与2-羧乙基苯基次膦酸(CPEEA)复合使用对PET具有一定的氮-磷协效阻燃作用。

关键词: 含磷共聚酯, 三聚氰胺氰尿酸盐, 氮-磷协效, 阻燃性能

Abstract: PET-MCA composites (PET-MCA) and phosphorus-contanining poly(ethylene terephthalate) (CP-PET)-MCA composites (CP-PET-MCA ) were prepared by melamine cyanurate (MCA) and poly(ethylene terephthalate) (PET) and CP-PET. The thermal stability, flame retardancy and char forming characteristics of the product were investigated by TGA, LOI, UL-94, Cone Calorimeter, SEM and EDS, and the mechanism were discussed. The result suggested that the temperature of thermal decomposition of PET and CP-PET showed a slight decrease with the incorporation of MCA, and the mass of residual char and LOI increased. CP-PET reached V-0 rating standard from UL-94 test and more uniform char granules were acquired. The addition of MCA compounded with 2-carboxyethyl(phenylphosphinic) acid (CEPPA) imparted N-P synergism effect on the flame retardancy of PET.

Key words: phosphorus-containing poly(ethylene terephthalate), melamine cyanurate, N-P synergism, flame retardancy

中图分类号: 

  • 342.29
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