| 二元混杂粒径氮化硅填充硅橡胶的性能 |
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| 引用本文： | 周文英,左晶.二元混杂粒径氮化硅填充硅橡胶的性能[J].高分子材料科学与工程,2011(3):76-78,82. |
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| 作者姓名： | 周文英 左晶 |
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| 作者单位： | 西安科技大学化学与化工学院 |
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| 基金项目： | 中国博士后基金资助项目(200801434,20070421113);国家自然科学基金(51073180);陕西省教育厅科研计划(2010JK694);西安科技大学基金(2009017,2010QDJ035) |
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| 摘 要： | 在质量分数65%总氮化硅用量下,分别选取0.6 μm、3.0 μm、15 μm三种粒径氮化硅粒子,按照15 μm/0.6 μm=25、3.0 μm/0.6 μm=5两种组合所得混杂粒子来填充硅橡胶,研究两体系中的小粒子相对含量(Ws)变化对硅橡胶性能的影响.结果表明,硅橡胶热导率分别在Ws为20%及40%处达到最大值,...
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| 关 键 词： | 氮化硅 硅橡胶 热导率 介电常数 拉伸强度 |
Properties of Silicone Rubber Filled with Silicone Nitride Particles with Binary Particle Size Distribution |
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| Wenying Zhou,Jing Zuo.Properties of Silicone Rubber Filled with Silicone Nitride Particles with Binary Particle Size Distribution[J].Polymer Materials Science & Engineering,2011(3):76-78,82. |
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| Authors: | Wenying Zhou Jing Zuo |
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| Affiliation: | (College of Chemistry & Chemical Engineering,Xi’an University of Science and Engineering,Xi’an 710054,China) |
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| Abstract: | Two kinds of hybrid silicone nitride(Si3N4) particles with binary particle size distribution,i.e.,(15μm+0.6μm),(3μm+0.6μm),were used to reinforce silicone rubber at the 65% total fillers content.The properties of filled silicone rubber were investigated as a function of relative content of the 0.6μm small particles(Ws).The results indicate that thermal conductivity and tensile strength reach the maximum values at Ws being 20%,25% for the(15μm+0.6μm) reinforced system,and 40%,15% for the(3μm+0.6μm) reinforced system,respectively;dielectric constants reduce to the lowest values at the Ws of 20% and 30%,respectively,and coefficient of thermal expansion reduces with increasing the Ws for the two systems.Furthermore,the Si3N4 particle size has the effect on the properties of silicone rubber. |
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| Keywords: | silicone nitride silicone rubber thermal conductivity dielectric constant tensile strength |
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