Photographic support

Details Photographic support Photographic support

1989-06-19

1990-07-10

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430556, 430557, 162135, 162158, G03C 196

Patent

active

049406566

ABSTRACT:
A photographic support comprising a paper sheet coated with a polyolefin on both surfaces thereof, in which the paper sheet contains an alkylketene dimer mixtures, its alkyl chain composition being defined by the following equation: ##EQU1## in which [C.sub.14 and less] means the content of alkyl chains having carbon atoms of 14 and less; [C.sub.16 ] means the content of an alkyl chain having 16 carbon atoms; [C.sub.18 ] means the content of an alkyl chain having 18 carbon atoms; and [C.sub.20 and more] means the content of alkyl chains having carbon atoms of 20 and more, the alkyl chain contents being represented by % in number of the total alkyl chain content of the alkylketene dimer composition. The photographic support is effectively resistant to permeation of a developing solution.

REFERENCES:
patent: 4312937 (1982-01-01), Kasper et al.
patent: 4331508 (1982-05-01), Miyama et al.
patent: 4353981 (1982-10-01), Noda et al.
patent: 4384040 (1983-05-01), Meek
The Condensed Chemical Dictionary (1950), pp. 471-473, Reinhold Publishing.
Swanson, Internal Sizing of Paper and Paperboard (1971), pp. 156-161.

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