原子转移自由基聚合制备聚酯二元醇接枝聚苯乙烯
Sythesis of Polyester Polyol-g-Polystyrene by Atom Transfer Radical Polymerization
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摘要: 聚酯二元醇经氯甲基化制备了聚酯二元醇大分子引发剂,通过原子转移自由基聚合技术,合成了聚酯二元醇-g-聚苯乙烯接枝聚合物。用^1H-NMR、FT-IR和GPC表征了接枝聚合物,结果表明分子量与转化率呈线性关系,且分子量分布较窄,接枝聚合反应是一个可控过程。Abstract: Chloromethylated polyester polyol, the macroinitiator for atom transfer radical polymerization (ATRP), was prepared by chloromethlating the aromatic rings of polyester's backbone. Polyester polyol-g-polystyrene was synthesized by CuCl-catalyzed ATRP of st