| 改性高岭土与白炭黑配合填充EPDM复合材料的气密性能 |
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| 引用本文： | 张玉德,刘钦甫,陆银平,张乾. 改性高岭土与白炭黑配合填充EPDM复合材料的气密性能[J]. 非金属矿, 2009, 32(5) |
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| 作者姓名： | 张玉德 刘钦甫 陆银平 张乾 |
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| 作者单位： | 1. 河南理工大学,焦作,454000
2. 中国矿业大学(北京),北京,100083 |
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| 基金项目： | 国家"863"计划，河南理工大学博士基金 |
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| 摘 要： | 以改性高岭土(MK)和白炭黑(PS)作为补强荆,采用熔融共混法制备了三元乙丙橡胶(EPDM)复合材料,并对其力学性能、气密性能和微观结构进行了测试分析.结果表明:改性高岭土和白炭黑在EPDM中分散良好,有效提高了复合材料的力学性能和气体阻隔性能,MK单独填充复合材料的透气率降低了25.5%～47.0%,50份PS填充的透气率降低了51.5%,MK与PS配合填充的降低了43.2%～53.1%,复合材料的气密性能得到了明显的改善.且颗粒细小、分散性较好的PS阻隔性能略好于颗粒尺寸较大、分散性较弱的MK,配合填充的阻隔作用比单独填充的更强.
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| 关 键 词： | 改性高岭土 三元乙丙橡胶 复合材料 微观结构 力学性能 气密性能 |
Air-tightness of EPDM Composites Filled with Modified Kaolin and Precipitated Silica |
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| Zhang Yude,Liu Qinfu,Lu Yinping,Zhang Qian. Air-tightness of EPDM Composites Filled with Modified Kaolin and Precipitated Silica[J]. Non-metallic Mines, 2009, 32(5) |
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| Authors: | Zhang Yude Liu Qinfu Lu Yinping Zhang Qian |
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| Affiliation: | Zhang Yude1 Liu Qinfu2 Lu Yinping1 Zhang Qian1( 1 Henan Polytechnic University,Jiaozuo 454000,2 China University of Mining and Technology,Beijing 100083 ) |
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| Abstract: | EPDM composites fi lled with the modifi ed kaolin (MK) and the precipitated silica (PS) were prepared by melt blending. Performances of the composites, such as mechanical property, microstructure and air-tightness, were investigated. The results showed that MK and PS were well dispersed in EPDM and improved the mechanical properties and gas barrier properties of rubber composites. Permeability of EPDM composites fi lled with MK separately was reduced 25.5%~47.0%. That f illed with 50 phr PS was reduced 51.5... |
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| Keywords: | modified kaolin ethylene propylene diene monomer |
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