以α-溴代异丁酸乙酯为引发剂,采用原子转移自由基聚合(ATRP)合成了分子量为500的聚丙烯酸丁酯.以N-甲基单乙醇胺作为亲核试剂,对带有活性溴端基的聚丙烯酸丁酯进行亲核取代反应,得到了一端带有羟基的聚丙烯酸丁酯.利用红外光谱仪、核磁共振谱仪、凝胶渗透色谱仪等对产物的结构进行表征.结果表明,成功合成了端羟基聚丙烯酸丁酯,且聚合物分子量可控,分子量分布窄(PDI=1.09).
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