对氯甲基苯乙烯与丙烯腈、甲基丙烯酸酯类的自由基共聚研究

TUDIES ON FREE-RADICAL COPOLYMERIZATION OF p-CHLOROMETHYLSTYRENE WITH ACRYLONITRILE AND ETHYL OR BUTYL METHACRYLATE

对氯甲基苯乙烯(p-CMS)是合成功能高分子的一个非常有用的起始单体,利用它的均聚以及与其它烯类单体的共聚反应,可制得含活性基团的高分子材料。但以往对该单体的聚合及共聚研究,较多的是以邻、间、对位氯甲基取代苯乙烯的混合物作为研究对象。本文采用纯对氯甲基苯乙烯,在开展对其基本性质。

p-Chloromethylstyrene (p-CMS) is a useful monomer for the preparation of functional polymers. Radical copolymerization of this compound with acrylonitrile( AN), ethyl methacry late (EMA) and butyl methacrylate (BMA) were studied at 60℃. The compositions of the copolymers were determined by the elementary analysis of chlorine. The monomer reactivity ratios (r1 and r2) were obtained by the Fineman-Ross method. The Q,e values of p-CMS were calculated by the Q-e scheme of Alfrey and Price.