Process for producing a negative-working lithographic printing f

Details Process for producing a negative-working lithographic printing f Process for producing a negative-working lithographic printing f

1992-12-23

1994-07-12

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430176, 430177, 430302, G03C 174

Patent

active

053287975

ABSTRACT:
The present invention relates to a process for producing a negative-working photosensitive lithographic printing form, in which a negative-working photosensitive mixture which is dissolved in a solvent mixture and which contains a negative-working photosensitive compound and a polymeric binder which is insoluble in water but soluble in aqueous alkaline solution is applied to a base and the layer obtained is subsequently dried, which process comprises using a mixture of more than 2% by weight of at least one monoether of diethylene glycol with one or more organic solvent(s) having a boiling point below 200.degree. C. as the solvent mixture.

REFERENCES:
patent: 3790385 (1974-02-01), Steppan et al.
patent: 4631245 (1986-12-01), Pawlowski
patent: 4717640 (1988-01-01), Stahlhofen
patent: 4822713 (1989-04-01), Nishioka et al.
patent: 4917988 (1990-04-01), Koizumi et al.
patent: 4929533 (1990-05-01), Nishikawa et al.

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