Burn-in gumming composition for offset printing plates

Details Burn-in gumming composition for offset printing plates Burn-in gumming composition for offset printing plates

1989-09-27

1991-01-08

Dees, Jose

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

430 17, 430309, 430310, 1014631, G03C 300

Patent

active

049834789

ABSTRACT:
A burn-in gumming composition for irradiated and developed offset printing plates comprises water and a water-soluble polymer or copolymer for protecting the plate surface during the burning-in step and during long-term storage. The polymer or copolymer used contains sulfonic acid groups and/or alkali metal sulfonate or ammonium sulfonate groups.

REFERENCES:
patent: 3745011 (1973-07-01), Hudgin
patent: 4786581 (1988-11-01), Stahlohlm et al.

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