| abstract |
A photosensitive mixture is described which contains a polycondensation product of a phenol of the general formula <IMAGE> in which R1 is a hydrogen atom, an alkyl or hydroxyl group, R2 is a hydrogen atom, an alkyl, hydroxyl or acetyl group and R3 is a hydrogen or Halogen atom, an alkyl, alkoxy, carboxyl or carboxylic acid ester group, and a compound of the general formula ROCH2 - X - CH2OR, wherein R contains a hydrogen atom, a methyl, ethyl or acetyl radical and X is a phenylene group or a dinuclear aromatic group is. The mixture results in printing plates with high developer resistance and a low degree of soiling when baked. |