Reaction products of p-vinylphenol and polyisocyanates

Details Reaction products of p-vinylphenol and polyisocyanates Reaction products of p-vinylphenol and polyisocyanates

C - Chemistry, Metallurgy

07

C

402/165, 260/468

C07C 271/40 (2006.01) C08F 222/22 (2006.01) C08F 257/00 (2006.01) C08G 18/67 (2006.01)

Patent

CA 1300639

71529-45 ABSTRACT OF THE DISCLOSURE Polyunsaturated compounds of the formula: Image (wherein x is an integer having the value of 2 to 4 and R is an organic radical having a valence equal to x, wherein R is the nucleus, after removal of the isocyanate groups of A. an aliphatic, aromatic, polyaromatic, aralkyl, alkaryl, or cycloaliphatiac di, tri or tetraisocyanate, or B. a prepolymer of an aliphatic, aromatic, aralkyl, alkaryl or cycloaliphatic diisocyanate and a polyol reacted in the ratio of one mole of diisocyanate for each hydroxyl group of the polyol, wherein the polyol is an aliphatic hydrocarbon diol; triol or tetraol or a polyether or a polyester diol or triol) useful in radiation curable compositions are made by reacting p- vinylphenol and a polyisocyanate in the ratio of one mole of p- vinylphenol for each isocyanate group of the polyisocyanate.

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