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负偏压在碳纳米管生长过程中的作用研究
关键字:碳纳米管 负偏压 热丝CVD 利用负偏压增强热丝化学气相沉积系统,在沉积有过渡层Ta和催化剂层NiFe的Si衬底上制备得到了碳纳米管。研究发现,负偏压对NiFe层的裂解和碳纳米管的生长都有很大的影响。本文详细分析和讨论了负偏压在碳纳米管生长过程中的作用。
http://www.polymer.cn/research/dis_info248 |
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金刚石膜中氮杂质状态的研究
关键字:EA-CVD方法 金刚石膜 氮杂质 用EA-CVD (Electron assisted Chemical Vapor Deposition) 方法制备出金刚石膜,并且用拉曼光谱、荧光谱、红外吸收谱和顺磁共振谱研究了金刚石膜中的氮杂质。实验结果表明,用EA-CVD方法制备的金刚石膜中氮杂质主要是以Ns0、Ns+、[N—V]0和[N—V]-1的形式存在,没有检测到在天然金刚石和高温高压金刚石中常见的A和B中心形式存在的氮杂质。沉积实验中随着氢气流量的增加,也就是金刚石膜沉积环境中氮...
http://www.polymer.cn/research/dis_info91 |
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The Study on ZnO Nano-particle Coating Agent and Anti-bacterial T/C Fabric Modified
关键字:ZnO nano-particle, ZnO nano-particle coating, T/C Antibacterial fabric, Functionalized antibacterial fiber Antibacterial Polyester/Cotton fabric modified was prepared with as-prepared coating agent, which composed of nano-ZnO, macromolecular modification and polyacrylate. The morphology of nano-ZnO, coating agent and Polyester/Cotton antibacterial fabric were ...
http://www.polymer.cn/research/dis_info1499 |
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The Study on ZnO Nano-particle Coating Agent and Anti-bacterial T/C Fabric Modified
关键字:ZnO nano-particle, ZnO nano-particle coating, T/C Antibacterial fabric, Functionalized antibacterial fiber Antibacterial Polyester/Cotton fabric modified was prepared with as-prepared coating agent, which composed of nano-ZnO, macromolecular modification and polyacrylate. The morphology of nano-ZnO, coating agent and Polyester/Cotton antibacterial fabric were ...
http://www.polymer.cn/research/dis_info1499 |
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一种基于CVD 法的纳米碳管微观分析及场致发射特性的研究
关键字:化学气相沉积(CVD),纳米碳管,微观分析,场致发射 将化学气相沉积法(CVD)制备的纳米碳管提纯后,用透射电镜(TEM)观测了它的微观结构,通过实验对纳米碳管在不同温度下生长的结构特性进行了分析比较,得出了纳米碳管生长的最佳温度为750℃;并对纳米碳管粉体的拉曼(Raman)光谱进行了分析,得到了与透射电镜观测相一致的结论;最后测试了纳米碳管的场致发射特性。
http://www.polymer.cn/research/dis_info7219 |
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一种基于CVD 法的纳米碳管微观分析及场致发射特性的研究
关键字:化学气相沉积(CVD),纳米碳管,微观分析,场致发射 将化学气相沉积法(CVD)制备的纳米碳管提纯后,用透射电镜(TEM)观测了它的微观结构,通过实验对纳米碳管在不同温度下生长的结构特性进行了分析比较,得出了纳米碳管生长的最佳温度为750℃;并对纳米碳管粉体的拉曼(Raman)光谱进行了分析,得到了与透射电镜观测相一致的结论;最后测试了纳米碳管的场致发射特性。
http://www.polymer.cn/research/dis_info7219 |
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Coated Methacryl Polyhedral Oligomeric Silsesquioxane onto Multi-walled Carbon Nanotube and Its Polymeric Composites
关键字:carbon nanotube, poss, coating The aggregation of carbon nanotubes (CNTs) in polymer composites[l] makes it the major drawback, which may prevent efficient stress from transferring to individual nanotubes and have a bad influence on demonstrating its fu...
http://www.polymer.cn/research/dis_info17256 |
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The preparation and characterization of ceramic composite tubular membrane
关键字:sol-gel method; ceramic composite tubular membrane; dip-coating Membrane separation technology has been greatly developed and widely used in fields of food, petrochemical, medical and water treatment in the past decades. In this experiment, the boehmite sols and mixed sols containing PVA were&...
http://www.polymer.cn/research/dis_info14081 |
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Effect of soluble polyimide coating on the UV stability of PBO fibers
关键字:PBO fiber, UV stability, soluble polyimide, mechanical properties A soluble trifluoromethyl modified polyimide (TF-PI) with excellent UV (Ultraviolet) blocking properties was used as coatings on Poly-p-phenylenebenzobisoxazole (PBO) fiber. After exposed to UV light for 13 days, the tensile strength retention&n...
http://www.polymer.cn/research/dis_info13981 |
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Synthesis and properties of the waterborne polyurethane modified with the hydroxyl-terminated polybutadiene
关键字:waterborne polyurethane; hydroxyl-terminated polybutadiene; coating; resistance for water and solvent The resistance of normal waterborne polyurethane coatings for water and solvent would be lower than the solvent-based polyurethane. In order to improve the resistance for water and solvent, it was investigated that a waterborne po...
http://www.polymer.cn/research/dis_info13913 |
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