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以神府超细煤粉为原料,利用原位共沉淀法制备了锌镁铝类水滑石(ZnMgAl LDHs)/煤复合材料;采用X射线衍射、红外光谱分析及扫描电镜表征样品,并采用锥形量热分析研究了复合材料在乙烯-醋酸乙烯酯共聚物(EVA)中的阻燃性能.与机械混合复合工艺相比,化学复合方法可以实现阻燃剂LDHs在神府煤中的纳米分散,增强LDHs及神府煤(成炭剂)之间的相互作用,有助于提高两者对EVA的协同阻燃效果.用该复合阻燃剂填充改性EVA材料的拉伸强度达12.06 MPa,断裂伸长率达445.79%,较纯LDHs及LDHs与神府煤的机械混合样品改性EVA材料的阻燃性能有显著提高.

参考文献

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[2] 王国利,周安宁,葛岭梅,曲建林.煤基聚乙烯/蒙脱土复合材料的阻燃特性[J].高分子材料科学与工程,2005(01):164-167.
[3] 徐寒松 .煤与含氟聚合物对聚酯结构与性能的影响研究[D].苏州大学,2008.
[4] 赵云,吴雪云,莫晓杰,石小丽,朱新生.煤阻燃体系应用开发研究[J].苏州大学学报:工科版,2012(03):31-37.
[5] Nyambo, C;Wilkie, CA .Layered double hydroxides intercalated with borate anions: Fire and thermal properties in ethylene vinyl acetate copolymer[J].Polymer Degradation and Stability,2009(4):506-512.
[6] Manzi-Nshuti, C;Hossenlopp, JM;Wilkie, CA .Comparative study on the flammability of polyethylene modified with commercial fire retardants and a zinc aluminum oleate layered double hydroxide[J].Polymer Degradation and Stability,2009(5):782-788.
[7] Nyambo, C;Kandare, E;Wilkie, CA .Thermal stability and flammability characteristics of ethylene vinyl acetate (EVA) composites blended with a phenyl phosphonate-intercalated layered double hydroxide (LDH), melamine polyphosphate and/or boric acid[J].Polymer Degradation and Stability,2009(4):513-520.
[8] 欧阳星,罗远芳,贾德民.混炼插层法制备天然橡胶/蒙脱土纳米复合材料[J].华南理工大学学报(自然科学版),2006(09):80-85.
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