An inkjet ink for preparing a lithographic printing plate containing a contrast dye comprising A, D and B groups wherein
A represents a phosphorous containing group capable of reacting with the surface of a lithographic receiver;
D represents a chromophore group absorbing light between 400 and 700 nm;
B represents an aliphatic group of at least 6 carbon atoms.
A lithographic printing plate and methods for direct plate making by jetting on a printing plate precursor are also disclosed.
一种用于制备平版印刷板的喷墨墨
水,含有由 A、D 和 B 基团组成的对比
染料,其中
A 代表能与平版印刷接收器表面发生反应的含
磷基团
D 代表发色团基团,可吸收 400 至 700 纳米波长的光;
B 代表至少有 6 个碳原子的脂肪族基团。
本发明还公开了一种平版印刷板和在印刷板前体上通过喷射直接制版的方法。