| 摘要 |
A negative-working lithographic printing plate precursor have an outermost imageable layer that includes an oxygen scavenger and shelf-life stabilizer that is represented by either Structure (I) or Structure (II) below: wherein Ar is a phenylene or naphthylene group, R1 and R2 are independently alkyl, alkenyl, alkynyl, phenyl, phenoxy, -R5OH, -CH2-C(=O)-R3, or -CH2-Q=O)O-R4 groups, R3 is hydrogen or an alkyl or phenyl group, R4 is an alkyl or phenyl group, R5 is an alkylene group, R6 and R7 are independently hydrogen or an alkyl, -R5OH, -R5C=O)-R8, or -R5C=O)OR9 group, R8 is hydrogen or an alkyl group, and R9 is an alkyl group, provided that the oxygen scavenger has no more than one carboxyl group. |
