Light-sensitive mixture and copying material prepared with...

G - Physics – 03 – F

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G03F 7/023 (2006.01) C08G 61/00 (2006.01) C08L 65/00 (2006.01)

Patent

CA 1246378

ABSTRACT OF THE DISCLOSURE A light-sensitive mixture is disclosed which contains a binder comprising a polycondensation product of a phenol corresponding to the formula Image wherein R1 is a hydrogen atom, an alkyl group or a hydroxy group, R2 is a hydrogen atom, an alkyl group, a hydroxy group or an acetyl group, and R3 is a hydrogen atom or a halogen atom, an alkyl group, an alkoxy group, a carboxyl group or a carboxylic acid ester group, and a compound corresonding to the formula ROCH2-X-CH2OR, wherein R is a hydrogen atom, a methyl group, an ethyl group or an acetyl group and X is a phenylene group or a binuclear aromatic group. The mixture yields printing plates which have a high resistance to developing solutions and which show a low degree of soiling upon baking.

456921

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