张洪文,张杨,姜彦,任玉荣,俞强

• 1:常州大学材料科学与工程学院
• 2:南京林业大学材料科学与工程学院
• 3:江苏晨光涂料有限公司

摘要(Abstract)：

为改善二氧化硅(SiO——2)在丙烯腈-丁二烯-苯乙烯共聚物(ABS)复合材料中的分散性和获得良好的界面特性。以苯乙烯(St)、甲基丙烯酸丁酯(BMA)、γ-甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)为单体,通过原子转移自由基聚合(ATRP)的方法合成接枝形大分子偶联剂。通过红外光谱(FT-IR)、紫外光谱(UV)、核磁共振(~1H-NMR)、凝胶渗透色谱(GPC)对大分子偶联剂进行表征。并对比研究不同分子量的大分子偶联剂对ABS/Si O2复合材料性能的影响。实验结果表明,经大分子偶联剂表面处理SiO_2后,复合材料的界面相容性得到显著改善,冲击强度达到23.48 kJ·m-2,比未经偶联剂处理复合材料提高了43.87%。

关键词(KeyWords)： 原子转移自由基聚合(ATRP);大分子偶联剂;复合材料;冲击强度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51203015,51342010);; 中国博士后科学基金(2014M551602);; 江苏省产学研前瞻项目(BY2014037-05);; 江苏省工业支撑(BE2014821);; 江苏省博士后基金资助(1401083B)

作者(Author): 张洪文,张杨,姜彦,任玉荣,俞强

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