Symmetric hyperbranched type silicone-modified polymerizable compound, and its modularized preparation method

摘要

A symmetric hyperbranched type silicone-modified polymerizable compound contains a compound represented by the following general formula (1). A hyperbranched type silicone-modified polymerizable compound has flexibility at the branched skeleton itself than the conventional ones, and 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)
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, a divalent linking group; “c”, 0 or 1; and RD, an unsaturated polymerizable functional group.

主权项

1. A symmetric hyperbranched type silicone-modified polymerizable compound which comprises a compound represented by the following general formula (1),
[(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.