| 摘要 |
A photosensitive composition comprising a polymeric diazonium salt, preferably a diazonium salt polycondensation product, and a polymeric binder possessing lateral crosslinking groups represented by the formula -CH2-OR, wherein R denotes a hydrogen atom, a lower alkyl group, a lower acyl group or a lower hydroxyalkyl group, can be used to produce printing plates which yield considerably increased print runs after being baked at temperatures of 150.degree.C to 250.degree.C. |
