Support for photographic printing paper

Details Support for photographic printing paper Support for photographic printing paper

1995-12-28

1998-04-07

Buffalow, E. Rollins

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428509, 428513, 428516, 430496, 430538, B32B 2732

Patent

active

057362424

ABSTRACT:
A support for a photographic printing paper comprising a substrate having a back side on which side an emulsion layer is not coated and a front side, and both sides of the substrate are coated with a waterproof resin coating. The waterproof resin coating on the back side of the substrate is a multi-layer laminate comprising an upper resin layer and a lower resin layer provided nearer to the substrate than the upper layer. The lower resin layer contains high density polyethylene having an MFR of not less than 8 in an amount of not less than 90% by weight based on the total weight of resin. Furthermore, the lower resin layer is thinner than the upper layer.

REFERENCES:
patent: 5104722 (1992-04-01), Kojima et al.
patent: 5182161 (1993-01-01), Noda et al.

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