摘要
以六氯环三磷腈(HCCTP)、苯酚、碳酸钾为原料,四正丁基溴化铵(TBAB)为相转移催化剂,氯苯为溶剂,合成了六苯氧基环三磷腈(HPCTP).采用红外光谱技术对产物进行了表征,并将HPCTP首次应用于聚丙烯/聚烯烃弹性体/滑石粉复合体系,制备了无卤阻燃的聚丙烯改性塑料.结果表明,HPTCP对复合体系具有较好的阻燃作用.复合体系的缺口冲击强度和断裂伸长率随着阻燃剂用量的增加而下降,弯曲强度随着阻燃剂含量的增加而增加,拉伸强度随着阻燃剂含量的增加而先增后降.当HPCTP的质量分数为10%时,阻燃聚丙烯/聚烯烃弹性体/滑石粉复合体系的氧指数达到25.6%,冲击强度为15.1kJ/m2,弯曲强度为34.2MPa,拉伸强度为23.9MPa,断裂伸长率为59.1%,该材料的综合性能最佳.
Hexaphenoxyl cyclotriphosphazene （HPCTP） was synthesized by the reaction of hexachloro- cyclotriphosphazene （HCCTP） with phenol and potash, and using tetrabutylammonium bromide （TBAB） as phase transfer catalyst and chlorobenzene as solvent. The product was characterized by infrared spectrum. The obtained HPCTP was firstly applied in the blend of Polypropylene（PP）/ Polyolefin etastomer（POE）/Talc as a halogen-free flame retardant to prepare polypropylene modified plastics. The results show that HPCTP has the ability of flame retardancey; the increase of the content of the HPCTP in the PP/POE/Talc blend leads to a decline in Izod impact strength and the rupture elongation, an increase in flexural strength, the tensile strength of the PP/POE/Talc blend firstly increasing then declining; when the content of HPCTP is 10%, the application performance of the blend reaches its optimum property. In this case the blend shows an oxygen index value of 25.6% ,the notch impact strength is 15. 1 kJ/m2,the flexural strength is 34.2 MPa,the tensile strength is 23.9 MPa and the rupture elongation is 59.1%.
出处
《武汉工程大学学报》
CAS
2013年第4期48-51,共4页
Journal of Wuhan Institute of Technology
基金
湖北省教育厅青年人才项目(Q20091511)
湖北省教育厅高等学校教学研究项目(2012288)
关键词
六苯氧基环三磷腈
无卤阻燃
聚丙烯
四正丁基溴化铵
氧指数
hexaphenoxy cyclotriphosphazene
halogen-free flame retardance
polypropylene
tetrabut-ylammonium bromide
oxygen index
