合成窄分子量分布的α-乙烯基聚(氟)硅氧烷是制备结构可控的侧链为有机(氟)硅氧烷两亲性梳形聚合物的文中以丁基锂为引发剂,进行了D3和F3的活性阴离子开环聚合.通过实验发现在0℃条件下,用两步聚合法,封端时间11.00 h为较优的开环聚合条件.在此条件下制备了不同聚合度的、窄分子量分布的α-乙烯基聚二甲基硅氧烷和α-乙烯基聚[甲基(3',3',3'-三氟丙基)]硅氧烷,聚合物分子量分布在1.15以下.
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