石英高岭石白云母共混补强丁苯橡胶的试验研究  

Experimental Study on Reinforcing Styrene-butadiene Rubber With the Blend of Quartz,Kaolinite and Muscovite

作　　者：杨慧群[1] 管俊芳[1] 曾伟能 杨增良 俞燕强[1] 

机构地区：[1]武汉理工大学资源与环境工程学院,湖北武汉430070 [2]茂名高岭科技有限公司,广东茂名525026

出　　处：《中国非金属矿工业导刊》2011年第1期18-21,34,共5页China Non-Metallic Minerals industry

摘　　要：将石英、高岭石、白云母三者按15∶4∶1比例共混,经气流磨超细粉碎,硅烷KH570表面改性,填充丁苯橡胶。结果表明,改性后矿物微粉补强效果得到提高;填充量为60份时,复合材料的综合力学性能较高,其中抗拉强度、撕裂强度分别提高了76.7%、39.9%;矿粉粒度变细,有利于提高复合材料的最大载荷和断裂伸长率。FTIR和SEM研究表明,-5μm微粉与丁苯橡胶基体结合较好,3种矿物能发挥协同补强作用。Quartz,kaolinite and muscovite were blended in the proportion of 15：4：1,ultra-fine comminuted by jet mill,modified by silane KH570,then filled in styrene-butadiene rubber.Results showed that the reinforcing effect was improved by surface modifying,the comprehensive mechanical properties of composite material got the best as filling the blend by 60 phr.,its tensile strength and tear strength were increased by 76.7%,39.9%,respectively,and the maximum load and elongation at break of composite were improved effectively by reducing the particle size.FTIR and SEM results showed that the combination between micropowder and styrene-butadiene rubber was better when particle size was less than 5｜ìm.Collaborative reinforcing effect was shown by blending the three kinds of minerals.

关 键 词：石英 高岭石 白云母 丁苯橡胶 

分 类 号：TQ33[化学工程—橡胶工业]