PHOTOSENSITIVE PLANOGRAPHIC PRINTING PLATE,申请号JP19910010604-传众专利搜索

PHOTOSENSITIVE PLANOGRAPHIC PRINTING PLATE

申请公布号：JPH05246171(A)

申请号：JP19910010604

申请日期：1991.01.31

申请公布日期：1993.09.24

申请人：

FUJI PHOTO FILM CO LTD

发明人：NAGASHIMA AKIRA

分类号：B41N3/03;G03F7/00;(IPC1-7):B41N3/03

主分类号：B41N3/03

摘要：PURPOSE:To provide the title printing plate reduced in the residual color of a non-image part after development, hard to contaminate at the time of printing and excellent in printing durability. CONSTITUTION:A hydrophilic layer containing at least one kind of a compd. selected from a substituted or non-substituted aliphatic or aromatic phosphonic acid (A) having one or more phosphonic acid group in one molecule thereof and a salt thereof and a substituted or non-substituted aliphatic or aromatic phosphinic acid (B) having one or more phosphinic acid group in one molecule thereof and a salt thereof [a substituent in (A), (B) is a hydroxyl group, an alkoxy group, an aryloxy group, a carboxyl group, an alkyl group, an aryl group, an allyl group, an acyl group, an acyloxy group, a nitro group, a cyano group or a halogen atom] is provided on an aluminum plate subjected to surface roughing treatment and anodic oxidation successively and having an anodic oxidation film layer of 1.0g/m<2> or more and a positive type photosensitive compsn. is provided on the hydrophilic layer.