Patent ID: 6500525
Filing Date: 2002-12-31
Classification: B41M,Y10T

Abstract:
A recording medium having an ink receiving layer provided on its base material, wherein the ink receiving layer is obtained by coating the base material with dispersed liquid containing aluminum hydrate, a coupling agent having at least two hydrolyzable groups, and a urethane resin emulsion having hydrolyzable groups expressed by the following general formula (1):â€”MRn(ORâ€²)3âˆ’nâ€ƒâ€ƒ(1) where R and Râ€² represent hydrogen or alkyl groups, which may be either identical or different; n represents an integer from 0 to 2; and M represents Si; and the ratio of silicon added is within a range of 0.1 to 0.8, and wherein the average particle diameter of the particles of the urethane resin emulsion is within a range of 20 to 100 nm.