溴化聚苯乙烯阻燃长玻璃纤维/PA6复合材料性能的研究  

Property Study of Brominated Polystyrene Flame Retarded LGF/PA6 Composites

作　　者：何颖[1] 左晓玲[2] 郭建兵[2] 吴斌 张道海[2] 邵会菊[2] 

机构地区：[1]贵州师范大学材料与建筑工程学院,贵州贵阳550014 [2]国家复合改性聚合物材料工程技术研究中心,贵州贵阳550014 [3]贵州凯科特材料有限公司,贵州贵阳550014

出　　处：《塑料工业》2013年第7期99-103,共5页China Plastics Industry

基　　金：贵州省重大专项(2011)6018;贵州省科技计划(黔科合GY字[2013]3026)

摘　　要：利用溴化聚苯乙烯(BPS)协同三氧化二锑(Sb2O3)制备新型卤素阻燃长玻璃纤维(LGF)增强尼龙6复合材料(BPS/LGF/PA6),通过极限氧指数(LOI)、垂直燃烧(UL94)、热重分析法(TGA)、锥形量热(cone)等方法研究了BPS协同Sb2O3对LGF/PA6复合材料阻燃性能影响。结果表明,在BPS与Sb2O3的协效阻燃体系的质量分数为16%时,可使BPS/LGF/PA6复合材料的阻燃等级达到FV-0级,LOI为25.2%。而且,BPS协同Sb2O3能提高BPS/LGF/PA6复合材料的热稳定性,缓解PA6分解速率,从而起到良好的阻燃作用,成功地解决了玻纤增强材料燃烧时的"烛芯效应"问题。Long glass fiber reinforced polyamide 6 composites were flame retard retardant （ BPS/LGF/PA6 ） system containing brominated polystyrene （BPS） syn trioxide （Sb203）. The effect of BPS and Sb203content on the flame retarding ed with an halogen flame chronized with antimony properties of LGF/PA6 composite was studied by limited oxygen index （LOI） measurements, thermal gravimetric analysis （TGA）, UL-94 and cone tests. The results demonstrated that LOI value and UL＇94 rating of BPS/LGF/PA6 composites reached at 25.2% and FV-0 when the sample containing was 16 wt% BPS synchronized with antimony trioxide SbzO3. The cone and thermal gravimetric showed that the thermal stability of BPS/LGF/ PA6 composites was raised by brominated polystyrene in synchronizing antimony trioxide, so that retard the decomposition rate of PA6 and played an important role in flame retardancy. The problem of ＂candlewick＂ effect related to the glass fiber was successfully solved by the introduction of flame retarded system.

关 键 词：长玻璃纤维 尼龙6 溴化聚苯乙烯 烛芯效应 燃烧特性 

分 类 号：TQ327.1[化学工程—合成树脂塑料工业]