Photopolymerizable mixture containing a polyurethane with...

G - Physics – 03 – F

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96/172, 400/5156

G03F 7/027 (2006.01) C08G 18/67 (2006.01) C08G 18/73 (2006.01)

Patent

CA 1121204

Abstract of the Disclosure This invention relates to a photopolymerizable mixture com- prising a polymeric binder which is soluble or at least swellable in aqueous-alkaline solutions, a photoinitiator, and a polyurethane with ' vo terminal acrylic acid or methacrylic acid ester groups which is capable of addition polymerization, and corresponds to the following general Formula I Image wherein -X- is one of the groups Image -CkH2k-O- and -CrH2r-2-O-, Y is a saturated aliphatic or cycloaliphatic group with 2 to 12 carbon atoms, and Z is Image and wherein R1, R2, and R3 are hydrogen atoms or methyl groups, n is a whole number from 2 to 15. m is a whole numberfrom 2 to 4. p is a whole number from 1 to 4. k is a whole number from 2 to 12. and r is a whole number from 4 to 12. The invention also relates to a light-sensitive transfer material employing the photopolymerizable mixture.

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