Patent ID: 6759178
Filing Date: 2004-07-06
Classification: B41N,C08J,G03G,Y10S

Abstract:
A printing plate comprising a polymeric film substrate having on at least one surface thereof, a coating layer comprising a polymer comprising at least one or more repeating units comprising at least one pendant (-POXY) group, wherein X and Y, which may be the same or different, are OH or OM wherein M is a cation, wherein said coating layer polymer further comprises 10 to 70 mole % of repeating units containing pendant carboxyl groups or groups which are capable of forming carboxyl groups on hydrolysis, and wherein said coating layer polymer further comprises a comonomer which is a sulphonated monomer or a salt or other derivative thereof wherein said coating layer polymer comprises a copolymer of acrylic acid, vinyl phosphonic acid and sodium vinyl sulphonate.