Fat-desensitizing composition for litho printing plates comprisi

Details Fat-desensitizing composition for litho printing plates comprisi Fat-desensitizing composition for litho printing plates comprisi

1988-10-24

1989-05-30

Welsh, J. David

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

430104, 101451, C09D 520, C09K 300

Patent

active

048347973

ABSTRACT:
A composition useful for rapidly and safely effecting a fat-desensitizing treatment for litho printing plates with a high efficiency, and for providing a hydrophilic membrane having a high durability in printing operations on the surfaces of the litho printing plates, comprises (A) a phytic acid or its functional derivative; (B) a metal salt of the formula MX.sub.1, wherein M=a divalent metal cation, X=monovalent or divalent anion and 1=1 or 2; (C) a glycol compound of the formula, ##STR1##

REFERENCES:
patent: 3738850 (1973-06-01), Radell et al.
patent: 3829319 (1974-08-01), Suzuki et al.
patent: 4282811 (1981-08-01), Kuzuwata et al.
patent: 4579591 (1986-04-01), Suzuki et al.
Patent Abstracts of Japan, vol. 10, No. 2 (M-444) [2059], Jan. 8, 1986; & JP-A-60 168 694 (Ouji Seishi K. K.).
Patent Abstracts of Japan, vol. 7, No. 50 (M-197) [1195], Feb. 26, 1983; & JP-A-57 199 694 (Ouji Seishi K. K.).

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