| 细乳液原位聚合法制备聚苯乙烯非共价修饰的碳纳米管 |
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| 引用本文： | 晋圣松,唐国强,王红敏,边成香,徐学诚. 细乳液原位聚合法制备聚苯乙烯非共价修饰的碳纳米管[J]. 华东师范大学学报(自然科学版), 2008, 2008(1): 99-105 |
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| 作者姓名： | 晋圣松 唐国强 王红敏 边成香 徐学诚 |
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| 作者单位： | 华东师范大学,物理系,上海,200062 |
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| 基金项目： | 上海市纳米科技专项基金 |
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| 摘 要： | 用细乳液原位聚合方法合成了聚苯乙烯/碳纳米管复合乳液，在用于聚合的单体中加入5%的交联剂二乙烯苯，使得部分聚苯乙烯通过交联缠绕固定在碳纳米管表面.乳液中碳纳米管表面负载有聚苯乙烯纳米微球或纳米薄膜.破乳后得到的复合材料在除去游离态的聚苯乙烯后，仍有部分聚合物因交联缠绕作用而存在于碳纳米管表面,使碳纳米管可均匀地分散于甲苯溶剂中.该方法解决了非共价修饰中聚合物和碳纳米管之间的结合力问题.
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| 关 键 词： | 碳纳米管 聚苯乙烯 分散性 交联 碳纳米管 聚苯乙烯 分散性 交联 |
| 文章编号： | 1000-5641（2008）01-0099-07 |
| 收稿时间： | 2007-03-01 |
| 修稿时间： | 2007-03-01 |
Non-covalent functionalization of MWNT with PS in situminiemulsion polymerization |
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| JIN Sheng-song,TANG Guo-qiang,WANG Hong-min,BIAN Cheng-xiang,XU Xue-cheng. Non-covalent functionalization of MWNT with PS in situminiemulsion polymerization[J]. Journal of East China Normal University(Natural Science), 2008, 2008(1): 99-105 |
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| Authors: | JIN Sheng-song TANG Guo-qiang WANG Hong-min BIAN Cheng-xiang XU Xue-cheng |
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| Affiliation: | Department of Physics,East China Normal University,Shanghai 200062，China |
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| Abstract: | PS(polystyrene)/MWNT(multi-walled carbon nanotubes) composite latexes were prepared via in situ miniemulsion polymerization.5% cross-linker DVB was added into monomer to make some PS fix on the surface of MWNT by cross-linking entanglement.The MWNT are covered with PS microspheres or thin film in the composite latex. After demulsification and removing free PS, MWNT in the obtained composite are still wrapped with some polymer and can be dispersed homogeneously in toluene.This method overcomes the difficulty of combination between polymer and MWNT in non-covalent functionalization. |
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| Keywords: | carbon nanotubes polystyrene dispersion cross-linking |
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