Optically brightened polyolefin coated paper support

Details Optically brightened polyolefin coated paper support Optically brightened polyolefin coated paper support

1988-09-19

1989-08-22

Brammer, Jack P.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

430517, 430536, 430538, 528219, G03C 186

Patent

active

048595390

ABSTRACT:
An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and a mixture of optical brighteners, such mixture comprising certain fluorescent bis(benzoxazolyl)stilbenes. The support exhibits improved brightness at low brightener concentration and unexpected resistance to brightener exudation.

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