Photographic printing paper support

Details Photographic printing paper support Photographic printing paper support

1994-02-14

1994-11-08

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

162135, 162158, 162169, 162183, 428328, 428414, 4284784, 428513, G03C 178, D21H 110, B32B 2308

Patent

active

053626141

ABSTRACT:
Disclosed is a photographic printing paper support which comprises a raw paper having polyolefin resin coats on the both sides, with the raw paper being made from pulp slurry containing an epoxidized higher fatty acid amide and/or an alkylketene dimer and a cationic substance other than epoxidized higher fatty acid amides by the addition thereinto in an early stage of the preparation and further containing anionic colloidal silica and/or anionic bentonite added in a late stage of the preparation after controlling the pulp concentration so as to range from 0.1 to 1.5%.

REFERENCES:
patent: 3630830 (1971-12-01), Herdle et al.
patent: 4517285 (1985-05-01), Woodward et al.
patent: 4675245 (1987-06-01), von Meer et al.
patent: 4820582 (1989-05-01), Merz et al.
patent: 4940656 (1990-06-01), Tamagawa et al.

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