公开(公告)号：WO2002096965A2

公开(公告)日：2002-12-05

申请号：PCT/EP2002/004532

申请日：2002-04-23

Applicant: ENICHEM ELASTOMERES FRANCE S.A. ,  SAUTEREY, François ,  THENOZ, Françoise ,  GUYOT, Alain

Inventor： SAUTEREY, François ,  THENOZ, Françoise ,  GUYOT, Alain

IPC: C08F265/04

CPC classification number: C08F265/04 ,  C08F236/18 ,  C08F259/02 ,  C08F2/001

Abstract: A subject-matter of the present invention is a process, in at least two stages, for the preparation of functionalized polychloroprene latices obtained by copolymerization of chloroprene and of a mixture of comonomers comprising α,β-unsaturated acids and/or esters, in aqueous emulsion in the presence of radical initiators, characterized in that: the first stage consists of the polymerization of the mixture of α,β-unsaturated acids and/or esters, in combination or not in combination with chloroprene, thus making it possible to obtain (co)polymer particles with a diameter of between 45 and 80 nm; the second stage consists of the polymerization of chloroprene in the presence of particles of (co)polymer obtained at the end of the first stage, the number of particles at the end of the second stage being equal to or very little different from that measured at the end of the first stage.

Abstract translation: 本发明的主题是在至少两个阶段中制备通过氯丁二烯和包含α，β-不饱和酸和/或酯的共聚单体的混合物在水溶液中共聚获得的官能化聚氯丁二烯胶乳的方法 在自由基引发剂存在下的乳液，其特征在于：第一阶段由α，β-不饱和酸和/或酯的混合物的组合组合或不与氯丁二烯组合，从而使得可以获得（ 共）聚合物颗粒，其直径在45和80nm之间; 第二阶段由在第一阶段结束时获得的（共）聚合物颗粒存在下的氯丁二烯聚合，第二阶段结束时的颗粒数等于或几乎不同于 第一阶段结束。