Photographic printing paper support

Details Photographic printing paper support Photographic printing paper support

1994-07-27

1995-12-12

Ryan, Patrick J.

Stock material or miscellaneous articles

Composite

Of carbohydrate

4284111, 428511, 428513, 428530, 430538, 162158, 1621641, 1621643, 1621646, 1621683, 162175, 162177, G03C 1775, B32B 2900

Patent

active

054748569

ABSTRACT:
A photographic printing paper support which comprises a raw paper coated with a film-forming resin on both sides; said raw paper being a paper made from paper stock comprising (i) cationic starch, (ii) polyamidepolyamine epichlorohydrin and (iii) an epoxidized higher fatty acid amide and/or an alkylketene dimer, and optionally (iv) a metal salt of carboxymethyl cellulose and/or an acrylamide/diallylamine salt copolymer, and being adjusted to pH 6.5-8.5 and controlled so as to have a zeta potential in the range of -10 mV to +5 mV.

REFERENCES:
patent: 4517285 (1985-05-01), Woodward et al.
patent: 4665014 (1987-05-01), Katsura
patent: 4902600 (1990-12-01), Tamagawa et al.
patent: 5122231 (1992-06-01), Anderson
patent: 5168034 (1992-12-01), Tamagawa et al.
patent: 5213888 (1993-05-01), Kubbota et al.
patent: 5362614 (1994-11-01), Serizawa et al.

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