| 累托石/SBR纳米复合材料的结构与性能 |
| Structure and properties of rectorite/SBR nanocomposite |
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| DOI： |
| 中文关键词: 累托石 橡胶 纳米复合材料 气密性 |
| 英文关键词: rectorite rubber nanocomposite air tightness |
| 基金项目:国家自然科学基金资助项目（05173003）；北京市科技新星计划资助项目（H010410010112） |
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| 中文摘要: |
| 采用乳液共混共凝法制备累托石/SBR复合材料，研究累托石纯度对材料物理性能的影响，并与蒙脱石/SBR复合材料进行对比。结果表明，累托石/SBR属于纳米复合材料，分散相的形状系数稍高于蒙脱石体系；高纯度累托石是制备性能优异的累托石/SBR纳米复合材料的关键。两种纳米复合材料均具有良好的气密性，累托石/SBR复合材料分散相形状系数略大，气密性更优。两者均可以作为性价比适中的轮胎气密层或内胎材料。 |
| 英文摘要: |
| A rectorite/SBR nanocomposite was prepared with emulsion co-coagulation method.The effect of the rectorite purity on the physical properties of rectorite/SBR nanocomposite was investigated，and a comparison was made between the properties of rectorite/SBR nanocomposite and montmorillonite/SBR nanocomposite.The results showed that both rectorite/SBR composite and montmorillonite/SBR composite were nanocomposites，and the aspect ratio of the dispersed phase in the former was greater than that in the latter；the high purity of rectorite was the most important factor to prepare the rectorite/SBR nanocomposite with the excellent properties.Both nanocomposites were suitable to make the inner liner or inner tube of tire because of their good air tightness，in particular，the rectorite/SBR nanocomposite with the greater aspect ratio of its dispersed phase gave better air tightness. |
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