弹性体 |
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白炭黑在NR/BR共混体系中的偏析 陈坤 谢昕 吴建 巩红光 金鼎铭 杨柳 摘 要:通过改变混炼工艺,研究了白炭黑在天然橡胶/顺丁二烯橡胶(NR/BR)共混体系中的偏析,结果表明:混炼工艺会导致白炭黑在NR/BR各相中出现偏析,进而导致并用胶的性能出现较大差异;采用先将白炭黑加入BR制成母炼胶,再与NR共混的混炼工艺,所得胶料中白炭黑主要偏析到BR相中,填料网络结构少,Payne效应低,白炭黑的分散性好,对胶料的补强效果较其它混炼工艺好. Study on silica segregating in NR/BR blend CHEN Kun XIE Xin WU Jian GONG Hong-guang JIN Ding-ming YANG Liu |
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收稿日期:2009年11月4日 出版日期:2010年4月30日 |