Crosslinking polymeric dye mordant composition reaction product

Details Crosslinking polymeric dye mordant composition reaction product Crosslinking polymeric dye mordant composition reaction product

1974-09-24

1978-12-05

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 17R, 526 23, 526 49, 260885, 506 40, C08G 6948

Patent

active

041285387

ABSTRACT:
A dye mordant composition comprises the reaction product of (1) a vinyl copolymer derived from ethylenically unsaturated monomers comprising first and second repeating units wherein at least one third of the units are first repeating units represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl and R.sup.2 may be a group containing at least one aromatic nucleus; Q is a divalent radical, R.sup.3, R.sup.4 and R.sup.5 are alkyl or aryl and R.sup.3 and R.sup.4 along with the nitrogen atom and Q may form a quaternized heterocyclic ring, and X.sup.- is an anion and the second repeating units are free of acidic carboxyl groups; and (2) a vinyl polymer crosslinking agent for the copolymer comprising a bisalkane sulfonate or bisarene sulfonate. These compositions are useful as dye mordants in photographic elements.

REFERENCES:
patent: 3625694 (1971-12-01), Cohen et al.
patent: 3689272 (1972-09-01), Schwan et al.
patent: 3709690 (1973-01-01), Cohen et al.

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