The present invention relates to a symmetric hyperbranched type silicone-modified polymerizable compound containing a compound represented by the following general formula (1). There can be provided a hyperbranched type silicone-modified polymerizable compound which has flexibility at the branched skeleton itself than the conventional ones, as well as reactivity of a polymerizable functional group is good and it is positionally and sterically symmetric, while it has a highly branched structure having siloxane chains.
[(RARB)2CHOCH2]2CHORCcRD (1)
wherein RA represents a monovalent linear, branched or cyclic siloxane chain; RB represents a divalent hydrocarbonylene methylene ether group represented by -CH2CRb1Rb2(CRb3Rb4)n1OCH2-, each of Rb1, Rb2, Rb3 and Rb4 may be the same or different from each other and represents a hydrogen atom or a linear, branched or cyclic hydrocarbon group having 1 to 10 carbon atoms which may be bonded to each other, "n1" represents an integer selected from 0 to 10; RC represents a divalent linking group; "c" represents 0 or 1; and RD represents an unsaturated polymerizable functional group.
本发明涉及一种对称超支化型
硅改性可聚合化合物,其中含有由下式(1)表示的化合物。本发明提供了一种超支化型
硅改性可聚合化合物,它的支化骨架本身比传统的具有柔韧性,可聚合官能团的反应活性好,位置和立体对称,同时具有
硅氧烷链的高支化结构。
[(RARB)2CHOCH2]2CHORCcRD (1)
其中 RA 代表一价线性、支链或环状
硅氧烷链;RB 代表二价烃烯亚甲基醚基团,由-CH2CRb1Rb2(CRb3Rb4)n1OCH2-表示,Rb1、Rb2、Rb3 和 Rb4 中的每一个可以彼此相同或不同,并代表氢原子或具有 1 至 10 个碳原子的线性、支链或环状烃基,这些烃基可以相互键合,"n1 "代表选自 0 至 10 的整数;RC 代表二价连接基团;"c "代表 0 或 1;以及 RD 代表不饱和可聚合官能团。