(Meth)acrylic polymers having alkenyl or curable silyl groups at the chain ends in high functionality ratios are prepared by a process which comprises (i) preparing a (meth)acrylic polymer having halogen atoms at the chain ends, using an organohalogenated compound or a halosulfonyl compound as an initiator and a metal complex catalyst wherein the central metal atom is selected from the group consisting of the elements of Groups 8, 9, 10 and 11 of the periodic table; and (ii) transforming the halogen atom into an alkenyl group or a curable silyl group-containing substituent.
The obtained (meth)acrylic polymers form homogeneous curing materials.
具有烯基或可固化
硅基末端官能团的
甲基丙烯酸聚合物可以通过以下过程制备:(i)使用有机卤化物或卤代磺酰化合物作为
引发剂,
金属络合催化剂作为催化剂,其中中心
金属原子选自周期表8、9、10和11组元素,制备具有卤原子末端的(meth)acrylic聚合物;(ii)将卤原子转化为烯基或可固化
硅基官能团含有的取代基。获得的(meth)acrylic聚合物形成均质的固化材料。