Molecular grafting of hardener/gelatin blends to energetically t

Details Molecular grafting of hardener/gelatin blends to energetically t Molecular grafting of hardener/gelatin blends to energetically t

1996-01-19

1999-10-19

Chen, Vivian

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428480, 4284752, 4284782, 427532, 427533, 427535, 427536, 427569, 427301, 427322, 4273722, 4273935, 427414, 430451, 430523, 430532, 430533, 430539, 430640, 430642, 430954, B32R 2708, B32R 2718, B32R 2734, B32R 2736

Patent

active

059686464

ABSTRACT:
The present invention comprises a polyester film support in which the surface has been subjected to an energetic treatment with nitrogen plasma to produce amine groups on the polyester surface. The treated surface is then coated with a dilute solution of amine reactive hardener and gelatin. After drying the hardener/gelatin coated support a photographic emulsion is coated on the surface. The resulting film element has excellent adhesion of the photographic emulsion after photoprocessing, and it is safer to coat and handle than previously known methods involving grafting of hardener directly to the support.

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patent: 5563029 (1996-10-01), Grace et al.
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