| 聚合物改性膨胀石墨的制备及摩擦学性能研究 |
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| 引用本文： | 刘艳丽,黄先威.聚合物改性膨胀石墨的制备及摩擦学性能研究[J].湖南工程学院学报(自然科学版),2010,20(2). |
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| 作者姓名： | 刘艳丽 黄先威 |
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| 作者单位： | 湖南工程学院,化学化工学院,湘潭,411104 |
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| 摘 要： | 用超声波对石墨(EG)进行处理得到蠕虫石墨和纳米石墨薄片混合体的膨胀石墨润滑油添加剂.采用自由基乳液聚合方法合成了膨胀石墨/聚合物复合添加剂,并用四球摩擦磨损试验机考察了添加剂在基础油(液体石惜)中的摩擦磨损性能.结果表明,一定浓度的膨胀石墨/聚合物复合添加剂可有效提高基础油的承载能力,降低磨损量,其最佳用量约为0.5%.
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| 关 键 词： | 膨胀石墨 液体石蜡 乳液聚合 承载能力 |
Preparation of Expanded Graphite Modified with Polymer and Its Tribological Propertys |
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| LIU Yan-li,HUANG Xian-wei.Preparation of Expanded Graphite Modified with Polymer and Its Tribological Propertys[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2010,20(2). |
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| Authors: | LIU Yan-li HUANG Xian-wei |
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| Institution: | LIU Yan-li,HUANG Xian-wei(College of Chemistry and Chemical Engineering,Hunan Institute of Engineering,Xiangtan 411104,China) |
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| Abstract: | The expanded graphite lubricant additives of worm graphite nano-sized graphite sheets mixture are prepared by ultrasonication of worm graphite.The expanded graphite/polymer composite additives are synthesized by in-situ free radical polymerization.The tribological properties of lubricant additives in the liquie paraffin base oil are investigated by using a four-ball friction and wear tester.The results show that the expanded graphite/polymer composite additives can effectively improve the carrying capacity ... |
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| Keywords: | expanded graphite liquid paraffin emulsion polymerization carrying capacity |
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