[EN] ACRYLATE-FUNCTIONAL BRANCHED ORGANOSILICON COMPOUND, METHOD OF PREPARING SAME, AND COPOLYMER FORMED THEREWITH<br/>[FR] COMPOSÉ D'ORGANOSILICIUM RAMIFIÉ À FONCTION ACRYLATE, SON PROCÉDÉ DE PRÉPARATION ET COPOLYMÈRE FORMÉ AVEC CELUI-CI
申请人:DOW SILICONES CORP
公开号:WO2020142474A1
公开(公告)日:2020-07-09
A method of preparing an acrylate-functional branched organosilicon compound ("compound") is provided, and comprises reacting (A) a branched organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst, wherein component (A) has the general formula X-Si(R1)3, where X comprises a halogen-functional moiety and each R1 is selected from R and –OSi(R4)3, with the proviso that at least one R1 is –OSi(R4)3; each R4 is selected from R, –OSi(R5)3, and –[OSiR2]mOSiR3; each R5 is selected from R, –OSi(R6)3, and –[OSiR2]mOSiR3; each R6 is selected from R and –[OSiR2]mOSiR3; each R is an independently selected hydrocarbyl group; and 0≤m≤100; with the proviso that at least one of R4, R5 and R6 is –[OSiR2]mOSiR3. The compound prepared by the method, a copolymer comprising the reaction product of the compound and a second compound, a method of forming the copolymer, and a composition comprising the copolymer are each also provided.
提供了一种制备丙烯酸酯官能化分支有机硅化合物(“化合物”)的方法,包括在催化剂存在下,使(A)分支有机硅化合物和(B)丙烯酸酯化合物发生反应,其中组分(A)具有一般式X-Si(R1)3,其中X包括卤素官能基,每个R1从R和–OSi(R4)3中选择,但至少一个R1为–OSi(R4)3;每个R4从R、–OSi(R5)3和–[OSiR2]mOSiR3中选择;每个R5从R、–OSi(R6)3和–[OSiR2]mOSiR3中选择;每个R6从R和–[OSiR2]mOSiR3中选择;每个R是独立选择的烃基;且0≤m≤100;但至少一个R4、R5和R6为–[OSiR2]mOSiR3。还提供了通过该方法制备的化合物,包括化合物和第二化合物的反应产物的共聚物,形成共聚物的方法,以及包含共聚物的组合物。