HAF/NR复合材料中填料/基体界面相互作用的控制及其对橡胶补强的影响

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HAF/NR复合材料中填料/基体界面相互作用的控制及其对橡胶补强的影响
韩晶杰 何雪莲 李秋影 郭卫红 吴驰飞
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华东理工大学材料科学与工程学院高分子合金研究室,上海200237摘　要:采用含有吡啶官能团的分子对高耐磨炭黑粒子（HAF）原位接枝改性调控填料/基体界面相互作用。采用Ayala参数定量计算填料/基体界面相互作用,研究了界面相互作用对天然橡胶（NR）补强性能的影响。复合材料的拉伸应力-应变曲线表明,填充接枝炭黑的复合材料具有更高的力学性能,其原因是炭黑接枝增强了填料-基体界面相互作用,削弱了填料-填料相互作用。[著者文摘]

' ?5 n5 w% g. s: t+ ?$ [" E; t' x关键词:炭黑 填料-基体界面相互作用 橡胶补强
& b! O3 e2 y$ V分类号:　TQ330.1[著者标引]文献标识码：A文章编号：1006-3080（2008）05-0680-04栏目信息：材料科学与工程
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Control on the Filler-Matrix Interfacial Interaction and Its Influence on Rubber Reinforcement of HAF/NR CompositesHAN Jing-jie, HE Xue-lian, LI Qiu-ying, GUO Wei-hong, WU Chi-fei Polymer Alloy Laboratory, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, ChinaAbstract:The method of in situ grafting special molecular whose side chains had pyridine functions onto high abrasion resistance furnace black particles （HAF） was used to control the filler-matrix interracial interaction. The Ayala parameter was adopted as a function to determine quantitatively the level of the filler-matrix interracial interaction. Influence of the interracial interaction on natural rubber （NR） rein- forcement was studied. From the stress strain behavior of the HAF/NR composites, it could be concluded that the grafted furnace black （GCB） showed improved mechanical properties. The reason was that GCB improved the filler-matrix interaction, weakened the filler-filler interaction and the result was in full agreement with the fit results of Guth-Gold equation.[著者文摘]

Key words:carbon black; filler-matrix interaction; rubber reinforcement
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6 C2 ?. u* ?- n* p; y0 Q: s  Z收稿日期:　2007-10-08修订日期:　基金资助:国家自然科学基金项目（50733001）
7 X7 E8 Q) g4 C4 h+ g作者简介:韩晶杰（1975-），男，山东人，博士研究生，研究方向为高分子材料。E-mail：hjj0812@163．com 通讯联系人：吴驰飞，E-mail：wucf@ecust．edu．cn