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用腐蚀性较弱的酸性催化剂代替浓硫酸催化α－甲基苯乙烯 的自聚合反应，制得低聚物Ｍ－８０，取得较理想的实验结果，并讨论了其影 响因素．
A less corrosive acidic catalyst was used instead of concentrated sulfuric acid to catalyze the self-polymerization reaction of α-methylstyrene to prepare oligomer M-80. The ideal experimental results were obtained and the influencing factors were discussed.