中国塑料 ›› 2008, Vol. 22 ›› Issue (10): 20-23 .DOI: 10.19491/j.issn.1001-9278.2008.10.004

• 材料与性能 • 上一篇    下一篇

PS/OMMT纳米复合材料的阻燃性能研究

付梦月, 刘继纯,李晴媛,张玉清   

  1. 河南科技大学化工与制药学院,高分子科学与纳米技术重点实验室
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-10-25 发布日期:2008-10-25

Flame Retardancy of PS/OMMT Nanocomposites

FU Meng-yue, LIU Ji-chun*, LI Qing-yuan,ZHANG Yu-qing   

  1. Key Laboratory of Polymer Science and Nanotechnology, School of Chemical Engineering &Pharmaceutics, Henan University of Science and Technology
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-10-25 Published:2008-10-25
  • Contact: LIU Ji-chun

摘要: 将聚苯乙烯(PS) 树脂与有机蒙脱土(OMMT) 直接进行熔融共混,得到了插层型PS/ OMMT纳米复合材料。采用水平燃烧、氧指数、热重分析、高温处理等方法对PS/ OMMT纳米复合材料的阻燃性能进行了研究。结果表明:OMMT的加入使PS/ OMMT纳米复合材料水平燃烧速度下降,氧指数增加,耐高温性能和阻燃性能增强。研究认为,OMMT硅酸盐片层对热量、氧气和分解产物传递的屏蔽和阻隔作用是造成PS/ OMMT纳米复合材料阻燃性能增加的主要原因。

关键词: 聚苯乙烯, 有机蒙脱土, 阻燃性能, 热稳定性

Abstract: The intercalated nanocomposites of polystyrene (PS) were prepared by means of direct melt blending of polystyrene and organic montmorillonite (OMMT). The flame-retardant property of the nanocomposites was investigated by employing horizontal burning, oxygen index, thermogravimetry and high temperature treating methods. It was shown that the introduction of OMMT can decrease the horizontal burning speed and improve the oxygen index of the nanocomposites. The thermal stability and flame retardancy of the nanocomposites are enhanced noticeably. It is believed that the shielding and obstructing effects of silicate layer to the transfer of heat, oxygen and degradation products are responsible for the increase of flame retardancy.

Key words: polystyrene, organic montmorillonite, flame retardancy, thermal stability