Patent ID: 6696593
Filing Date: 2004-02-24
Classification: C08G,C08L,C09D,Y10S

Abstract:
A method comprising:(a) reacting isophorone diisocyanate with a hydroxy-functional resin comprising at least about 2 wt % of recurring units of a propoxylated allylic alcohol to form an NCO prepolymer; and (b) reacting the NCO prepolymer with a hydroxy-functional ethylenic monomer to form a UV-curable urethane composition, wherein the hydroxy-functional resin further comprises recurring units of a monomer selected from the group consisting of alkyl acrylates and methacrylates, acrylic and methacrylic acids, vinyl aromatics, vinyl halides, vinyl ethers, vinyl esters, unsaturated nitrites, allyl esters, allyl ethers, allyl carbonates, conjugated dienes, and mixtures thereof.