Developer compositions for PS plates and method for developing t

Details Developer compositions for PS plates and method for developing t Developer compositions for PS plates and method for developing t

1989-05-09

1992-09-22

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430165, 430192, 430278, 430309, 430331, G03F 7023, G03F 732

Patent

active

051496143

ABSTRACT:
A developer composition for presensitized plates for use in making lithographic printing plates comprises water, an alkali silicate and at least one compound having at least one aryl group, at least one oxyalkylene group and at least one sulfate ester group or sulfonic acid group. The composition is excellent in developing stability and processability. It is less foamable and seldom generates deposits even when it is deteriorated. Moreover, the composition makes it possible to develop both positive- and negative-working PS plates.

REFERENCES:
patent: 4186006 (1980-01-01), Kobayashi et al.
patent: 4259434 (1981-03-01), Yamasue et al.
patent: 4467027 (1984-08-01), Yamamoto et al.
patent: 4606995 (1986-08-01), Kita et al.
patent: 4617250 (1986-10-01), Nakakita et al.
patent: 4837131 (1989-06-01), Kobayashi et al.

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