Symmetric hyperbranched silicone-modified polymerizable compound and modularized manufacturing method thereof

摘要

The invention provides a symmetric hyperbranched silicone-modified polymerizable compound comprises a compound represented by the general formula (1). There can be provided a symmetric hyperbranched silicone-modified polymerizable compound having a structure with chemically high flexibility at the branched chain, having good reactivity of the polymerizable functional group, and having a branched structure which is positionally and sterically symmetric and pure than the conventional ones.
(RARB)2CHORCcRD  (1)wherein RA represents a monovalent linear, branched or cyclic siloxane chain; RB represents —CH2CRb1Rb2(CRb3Rb4)n1OCH2—; RC represents a divalent linking group; “c” represents 0 or 1; and RD represents an unsaturated polymerizable functional group.

主权项

1. A symmetric hyperbranched silicone-modified polymerizable compound of formula (1),
(RARB)2CHORCCRD  (1) wherein
RA represents a monovalent linear, branched or cyclic siloxane chain;RB is a divalent hydrocarbonylene methylene ether group of the following formula —CH2CRb1Rb2(CRb3Rb4)n1OCH2— that is arranged in formula (1) as follows (RACH2CRb1Rb2(CRb3Rb4)n1OCH2)2CHORCCRD, wherein
Rb1, Rb2, Rb3, and Rb4 each may be the same or different, and each represent a hydrogen atom or a linear, branched or cyclic hydrocarbon group having 1 to 10 carbon atoms, each of which may be bonded, “n1” represents an integer selected from 0 to 10, and when “n1” represents 1, Rb1 is a hydrocarbon group having 1 to 10 carbon atoms and Rb2 is a hydrogen atom;RC represents a divalent linking group;“c” represents 0 or 1; andRD represents an unsaturated polymerizable functional group.