Photopolymerizable mixture including a polyurethane and a...

G - Physics – 03 – F

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96/172

G03F 7/038 (2006.01) G03F 7/032 (2006.01)

Patent

CA 1129237

Abstract of the Disclosure This invention relates to a photopolymerizable mixture com- prising a polymeric binder which is soluble swellable in aqueous- alkaline solutions, a photoinitiator, a compound with at least two terminal acrylic or methacrylic acid ester groups and a boiling point above 100°C which is capable of addition polymerization, and a polyurethane corresponding to the following Formula I Image wherein -X- is one of the following groups: Image Image -CkH2k-O-, or -CrH2r-2-O-, Y is a saturated aliphatic o? ?ycloaliphatic group with 2 to 12 carbon atoms, Z is Image R1 is R4 or CONH-R4, R2 and R3 are hydrogen atoms or methyl groups, R4 is a saturated aliphatic group with 1 to 20 carbon atoms, n is zero or a whole number from 1 to 15, m is a whole number from 2 to 4, p is zero or a whole number from 1 to 4, k is a whole number from 2 to 12, r is a whole number from 4 to 12, n + p is a whole number from 1 to 19, and wherein R1 is R4 if p = 0, a?d R1 is CONH-R4, if n = 0. The invention also relates to a light-sensitive transfer material including the photopolymerizable mixture.

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