Patent ID: 8828252
Filing Date: 2014-09-09
Classification: C08G,C08L,C09D,H01L

Abstract:
1. A silsesquioxane resin comprised of the units where Ph is a phenyl group, Me is a methyl group; R′ is hydrogen atom or a hydrocarbon group having from 1 to 4 carbon atoms; R is an anhydride containing group, and R 1 is a hydrophilic group or a hydrophobic group; and s has a value of 0, 1, 2, 3, or 4; x has a value of 0, 1 or 2; wherein in the resin m has a value of 0.1 to 0.95, n has a value of 0.020 to 0.5; o has a value of 0 to 0.5; p has a value of 0 to 0.95; q has a value of 0 to 0.5 and m+n+o+p+q=1.