| 硅烷偶联剂对氢氧化镁表面改性及其在聚丙烯中的应用 |
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| 引用本文： | 俞振海,卢晗锋,梁锦,陈银飞. 硅烷偶联剂对氢氧化镁表面改性及其在聚丙烯中的应用[J]. 无机盐工业, 2010, 42(2) |
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| 作者姓名： | 俞振海 卢晗锋 梁锦 陈银飞 |
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| 作者单位： | 浙江工业大学化材学院绿色化学合成技术国家重点实验室培育基地,浙江杭州,310014 |
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| 基金项目： | 浙江省科技厅重点项目 |
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| 摘 要： | 选用具有相同亲水基团的4种硅烷偶联剂对工业级氢氧化镁进行常温湿法表面改性,并与聚丙烯(PP)熔融混合制得掺杂氢氧化镁质量分数为35%的复合材料,以SEM,FT-IR等手段对氢氧化镁及复合材料进行表征,考察了不同硅烷对复合材料阻燃性能和力学性能的影响。结果表明,硅烷偶联剂湿法改性可以提高氢氧化镁的分散性和与材料的相容性,改善氢氧化镁/PP的力学性能,但对阻燃性能影响不大;十二烷基三甲氧基硅烷在水相中稳定性好,可以较多地包覆于氢氧化镁表面,改性后材料的悬臂梁缺口冲击强度提高50%,断裂伸长率提高6倍,达到很好的改性效果。
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| 关 键 词： | 氢氧化镁 聚丙烯 硅烷偶联剂 |
Surface modification of magnesium hydroxide with silane coupling agent and its application in polypropylene |
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| Yu Zhenhai,Lu Hanfeng,Liang Jin,Chen Yinfei. Surface modification of magnesium hydroxide with silane coupling agent and its application in polypropylene[J]. Inorganic Chemicals Industry, 2010, 42(2) |
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| Authors: | Yu Zhenhai Lu Hanfeng Liang Jin Chen Yinfei |
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| Affiliation: | Yu Zhenhai,Lu Hanfeng,Liang Jin,Chen Yinfei(State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology,School of Chemical Engineering ,Materials Science,Zhejiang University of Technology,Hangzhou 310014,China) |
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| Abstract: | Surface modification process on industrial grade magnesium hydroxide [Mg(OH)2] using 4 types of silane coupling agents with same hydrophilic groups was carried in aqueous solution at room temperature,then the surface modified Mg(OH)2 was mixed in melting state with polypropylene(PP) at the filling level of 35%.Surface modification results were evaluated by the means of FT-IR and SEM.Influences of different silane coupling agents on flame retardant performances and mechanical properties of MH/PP material wer... |
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| Keywords: | magnesium hydroxide polypropylene silane coupling agent |
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