白炭黑表面特性及用量对苯基硅橡胶高频动态力学性能的影响  

The effects of silica content and surface properties on dynamic mechanical properties of phenyl silicone rubber in high frequency range

作　　者：鲁俊良 芦艾[2] 魏世林[1] 孙素明[2] 王宪忠[2] 余凤湄[2] LU Junliang;LU Ai;WEI Shilin;SUN Suming;WANG Xianzhong;YU Fengmei(School of Science and Engineering,Southwest University of Science and Technology,Mianyang 621010,China;Institute of Chemical Materials,China Academy of Engineering Physics,Mianyang 621900,China)

机构地区：[1]西南科技大学材料科学与工程学院,四川绵阳621010 [2]中国工程物理研究院化工材料研究所,四川绵阳621900

出　　处：《功能材料》2018年第4期4197-4202,共6页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(11302197)

摘　　要：采用两种具有不同表面特性的白炭黑作为补强填料,基于固体流变仪和时温等效原理,研究了白炭黑表面特性及用量对苯基硅橡胶动态力学性能的影响,获得了白炭黑补强硅橡胶在低频宽温域(-80~25℃)和常温宽频域(1~106 Hz)范围内的动态力学性能。结果表明,白炭黑表面特性及用量对苯基硅橡胶的动态力学性能有明显的影响,在相同条件下,H2000补强苯基硅橡胶具有更高的阻尼因子,同时,在常温低频条件下,苯基硅橡胶的阻尼因子<0.3,而在常温高频(103~106 Hz)范围内,苯基硅橡胶的阻尼因子随频率的增加而明显上升,最高可达到1.17。Based on solid rheometer and the principle of time-temperature equivalent,the effects of silica content and surface properties on dynamic mechanical properties of phenyl silicone rubber were studied through silica with two different surface characteristics as reinforcing fillers.The dynamic mechanical properties of silica reinforced silicone rubber in the low frequency and wide temperature(-80-25℃)and room temperature and wide frequency range(1-10 6 Hz)were within the scope of the results.The results showed that silica content and surface properties obviously influenced the dynamic mechanical properties of phenyl silicone rubber.Under the same conditions,H2000 reinforced silicone rubber had higher damping factor.At the same time,damping factor of phenyl silicone rubber is less than 0.3 with low frequency at room temperature.The damping factor of phenyl silicone rubber increased significantly with the increasing frequency,whose maximum can reach 1.17 at room temperature in the high frequency range(10 3-10 6 Hz).

关 键 词：苯基硅橡胶 白炭黑 高频 动态力学性能 时温等效原理 

分 类 号：TQ333.93[化学工程—橡胶工业]