| 摘要 |
<p>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 corresponding 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.</p> |
