Photographic film unit for the production of colored transfer im

Details Photographic film unit for the production of colored transfer im Photographic film unit for the production of colored transfer im

1980-03-19

1981-08-18

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

G03C 140, G03C 148

Patent

active

042847087

ABSTRACT:
A photographic film unit for the production of colored transfer images contains an integral neutralization system consisting of an acid polymer layer and a retarding layer. The acid polymer layer consists of a copolymer of 5 to 50 % by weight of polymerized carboxyalkyl (meth)acrylate units together with other acid monomers and optionally nonacid monomers. A preferred carboxyalkyl (meth)acrylate is the dimeric acrylic acid. The acid polymer has high acid number and low glass transition temperature.

REFERENCES:
patent: 3730718 (1978-05-01), Danhauser
patent: 4029504 (1977-06-01), Secrist et al.

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