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.
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