TBC对EPDM/PP阻燃化的影响  

Effect of TBC on the Flame Retardation of EPDM/PP

作　　者：于莉[1] 肖卫东[1] 

机构地区：[1]湖北大学化学与材料科学学院,湖北武汉430062

出　　处：《上海塑料》2004年第4期21-23,27,共4页Shanghai Plastics

基　　金：湖北省重点实验室基金资助项目(2001B1)

摘　　要：用氧指数(LOI)测定、力学性能测定、热失重分析(TGA)方法研究了TBC对三元乙丙橡胶(EPDM)/聚丙烯(PP)阻燃耐热性和力学性能的影响。结果表明,使用TBC,EPDM/PP的阻燃效果较好,TBC主要发挥气相阻燃作用。5%TBC的加入增加了共混体系的拉伸强度和断裂伸长率;但随着TBC用量的继续增加,拉伸强度和断裂伸长率都有所降低。加入TBC后,共混物的起始失重温度明显降低,但对EPDM/PP的热稳定性没有多大的影响,不影响EPDM/PP的正常使用。The effect of TBC on EPDM/PP was studied by the mechanical, flame-retardant properties determination and thermo-gravimetric analysis. The results showed that TBC had some flame retardation on EPDM/PP. TBC could play in gas phase flame-retarding role. The addition of TBC in EPDM/PP increased the tensile strength and elongation at break of the material, but the tensile strength and elongation at break were decreased with increasing amounts of TBC. The add-on of TBC could lower the initial decomposition temperature of EPDM/PP, but which doesn't affect its thermal stability and application.

关 键 词：三元乙丙橡胶/聚丙烯 TBC 阻燃 热稳定性 

分 类 号：TB332[一般工业技术—材料科学与工程]