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活性可控聚合制备水溶性单壁碳纳米管 被引量：2

Preparation of water-soluble single-walled carbon nanotubes by controlled/living polymerization
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摘要 利用一种活性可控聚合方法——可逆加成断裂链转移(RAFT)聚合将水溶性聚合物以共价键接枝到单壁碳纳米管的表面,从而制得一种水溶性的单壁碳纳米管(SWCNT)。RAFT聚合采用丙烯酸作为单体,双硫酯(PhCS(S)CH(CH3)Ph)为链移剂。结果表明:聚丙烯酸(PAA)已通过共价键接到单壁碳纳米管表面。经RAFT聚合得到的单壁碳纳米管表面接枝聚丙烯酸(PAA-g-SWCNT)在水中的溶解性得到了显著改善。 Water-soluble single-walled carbon nanotubes （SWCNTs） were prepared by grafting water-soluble polymer to their surface by a kind of controlled/living radical polymerization. Reversible addition-fragmentation chain transfer polymerization was used for this purpose using acrylic acid as a monomer and a dithio compound, PhCS （S） CH （ CH3 ） Ph, as a chain transfer agent that was covalently bonded to the surface of the SWCNTs. Results showed that poly （ acrylic acid） （PAA） was covalently connected to the surface of the SWCNTs and the resultant product, PAA grafted SWCNTs, had a high solubility in water.
作者 王国建 王瑶 黄思浙 刘琳
机构地区 先进土木工程材料教育部重点实验室 同济大学材料科学与工程学院
出处 《新型炭材料》 SCIE EI CAS CSCD 北大核心 2008年第1期25-29,共5页 New Carbon Materials
关键词 单壁碳纳米管 聚丙烯酸 活性可控聚合 重氮化 可逆加成断裂链转移聚合 Single-walled carbon nanotube Poly （ acrylic acid） Controlled/living polymerization Diazotization Reversible addition-fragmentation chain transfer polymerization
分类号 TB383.1 [一般工业技术—材料科学与工程]
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参考文献25

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二级参考文献59

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新型炭材料
2008年 第1期

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