Diazotype compositions with improved printing performance

Details Diazotype compositions with improved printing performance Diazotype compositions with improved printing performance

1981-05-06

1983-08-30

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...

430150, 430157, 430171, 430177, 430183, 430186, 430187, 430180, 430181, 430182, G03C 160

Patent

active

044017448

ABSTRACT:
Disclosure is made of a light-sensitive diazo coating composition and a light-sensitive diazotype reproduction material comprising a base with at least one coating layer comprising a light sensitive diazo compound, coupling component, a stabilizing acid and salt, and a development accelerating and stabilizing composition of 1,3-dimethylurea with urea or with thiourea, which also improves sensitizing solution compatibility and increases printing speed.

REFERENCES:
patent: 2727820 (1955-12-01), Botkin et al.
patent: 2732299 (1956-01-01), Morrison
patent: 2755185 (1956-07-01), Sulich
patent: 3076707 (1963-02-01), Lawton et al.
patent: 3169067 (1965-02-01), Berman et al.
patent: 3284201 (1966-11-01), Meijs et al.
patent: 3316092 (1967-04-01), Klimkowski et al.
patent: 3360369 (1967-12-01), Amariti et al.
patent: 3420666 (1969-01-01), Welch et al.
patent: 3453112 (1969-01-01), Schaeffer

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