申请人:——
公开号:US20020091193A1
公开(公告)日:2002-07-11
Emulsions and latexes containing polymer particles with a diameter greater than 0.02 micron are prepared by (i) forming a microemulsion containing particles of oligomers with a diameter less than 0.02 micron by combining water, a surfactant, a hydride functional organosilicon oligomer or a mixture of such oligomers, and an alkenyl functional organosilicon oligomer or a mixture of such oligomers; (ii) adding a catalyst to the microemulsion; (iii) initiating polymerization of the oligomers; and (iv) continuing polymerization until an emulsion or latex is formed containing polymer particles with a diameter greater than 0.02 micron.
制备直径大于0.02微米的聚合物颗粒的乳液和乳胶的方法为:(i)通过将水、表面活性剂、含有氢化功能的有机硅寡聚体或混合物以及烯基功能的有机硅寡聚体或混合物组合形成直径小于0.02微米的寡聚体颗粒的微乳液;(ii)向微乳液中加入催化剂;(iii)启动寡聚体的聚合反应;(iv)继续聚合反应,直到形成直径大于0.02微米的聚合物颗粒的乳液或乳胶。