Patent ID: 8809482
Filing Date: 2014-08-19
Classification: C08G,C09D,G03F

Abstract:
1. A silsesquioxane resin wherein the silsesquioxane resin comprises 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 selected from a carboxylic acid group, a protected carboxylic acid group wherein the protecting group is selected from t-butyl, trimethylsilyl, anhydride groups, methylthiomethyl ester, benzyloxymethyl ester, diphenylmethyl ester, and p-methoxybenzyl ester, and mixtures thereof; and R 1 is selected from substituted phenyl groups, ester groups, polyether groups; mercapto groups, sulfur-containing organic functional groups, hydroxyl producing group, aryl sulphonic ester groups, and reactive or curable organic functional groups; and r 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 0.05 to 0.25; n has a value of 0.15 to 0.80; o has a value of 0 to 0.95; p has a value of 0.015 to 0.35; q has a value of 0 to 0.5; and m+n+o+p+q≈1.