膨胀阻燃环氧树脂/有机化凹凸棒土复合材料的制备及性能研究  

Preparation and Property of Intumescent Flame Retardant Epoxy Resin/Organic-attapulgite Composites

作　　者：周磊[1,2] 吴越[1,2] 张莉莉[1,2] 闫淼[1,2] 俞强[1] 庄韦[1,2,3] 

机构地区：[1]常州大学材料科学与工程学院,江苏常州213164 [2]常州南京大学高新技术研究院,江苏常州213164 [3]南京大学化学化工学院,江苏南京210093

出　　处：《塑料工业》2012年第11期73-77,共5页China Plastics Industry

摘　　要：考察了不同膨胀型阻燃剂(IFR)添加量对环氧树脂(EP)阻燃性能的影响,以及有机化凹凸棒土(OAT)对膨胀阻燃环氧树脂复合材料性能的影响,最后对复合材料的增韧机理及阻燃机理进行了简要分析。结果表明,在环氧树脂中加入25%的IFR,可使复合材料的氧指数(LOI)达到30%,并通过UL94 V-0级测试,但拉伸性能有所降低;在膨胀阻燃环氧树脂体系中,适量添加3%的OAT能使复合材料的力学性能有所提高,对氧指数未见协同改善效果,但都通过了UL94垂直燃烧测试。Effects of both different amount of intumescent flame retardant on the flame retardant property of epoxy resin and organic-attapulgite on the properties of intumescent flame retardant epoxy resin composites were studied. The toughening and flame retardant mechanism of the composite were analyzed. The results showed that 25% addition of IFR increased the LOI of EP to 30% and reached vertical burning level to V-0 while the tensile strength was reduced. In the system of intumescent flame retardant epoxy resin, the addition of 3 % OAT made the composites had better mechanical property, and had no collaborative improvement effect on the oxygen index, but still passed the UL-94 vertical burning test.

关 键 词：高分子复合材料 环氧树脂 膨胀阻燃剂 凹凸棒土 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业] TQ314.248