Patent ID: 6545119
Filing Date: 2003-04-08
Classification: C08G,C09D,G11B

Abstract:
A thermoplastic resin for use in recording media, comprising the product of the reation in a molten state of a polyester polyol (component A), component A comprising at least one component selected from the group consisting of a sulfuric acid metal salt group containing dicarboxylic acids and a sulfuric acid metal salt group containing glycols, and a low molecular weight diol (component B) having a molecular weight of 500 or lower with an organic diisocyanate compound, said component B being at least one selected from the group consisting of diols having a molecular weight of 200 or higher and diols in liquid form at 20Â° C., wherein at least 80 mol % of the dicarboxylic acid component of component A is a dicarboxylic acid selected from the group consisting of isophthalic acid, o-phthalic acid, phthalic anhydride, 1-3-cyclohexanedicarboxylic acid, and 1,2-cyclohexanedicarboxylic acid.