Light-sensitive copying material and method for the production o

Details Light-sensitive copying material and method for the production o Light-sensitive copying material and method for the production o

1977-08-22

1979-03-13

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 47, 96 91R, 96115R, G03C 500, G03C 1100, G03C 152, G03C 168

Patent

active

041440676

ABSTRACT:
This invention relates to an improvement in a light-sensitive copying material, the copying layer of which comprises a water-soluble, curable binder and a diazonium salt polycondensation product of recurring units of the general types (A-N.sub.2 X) and (B) which are linked to one another by intermediate members which have two bonds and are derived from a carbonyl compound capable of undergoing a condensation reaction, wherein A is the radical of a compound which contains at least two isocyclic or heterocyclic aromatic rings and is able to undergo a condensation reaction, at least at one point in the molecule, with formaldehyde in an acid medium, B is the radical of a compound which is free of diazonium groups and is able to undergo a condensation reaction, at least at one point in the molecule, with formaldehyde in an acid medium, and X is the anion of an acid which forms a water-soluble salt with the condensation product, the improvement being that fish glue is the water-soluble, curable binder. The invention also relates to a process for the production of colored relief images.

REFERENCES:
patent: 3099558 (1963-07-01), Levinos
patent: 3745011 (1973-07-01), Hudgin
patent: 3867147 (1975-02-01), Teuscher
patent: 3909273 (1975-09-01), Levinos
patent: 3918977 (1975-11-01), Hammond
Chem. Absts., vol. 84, 1976, p. 416, 10941f.
Kosar, Light Sensitive Systems, 1965, pp. 158-193.

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