Color proofing system having a graduated layer of resins with di

Details Color proofing system having a graduated layer of resins with di Color proofing system having a graduated layer of resins with di

1989-10-21

1991-04-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Process producing multiple image

430141, 430162, 430166, 430175, 430192, 430293, G03C 518, G03C 700, G03F 730

Patent

active

050081748

ABSTRACT:
A photosensitive element which comprises a substrate having a release surface; a photosensitive layer having a photosensitizer, pigment, and mixture of binders with different solubility characteristics; and an adhesive layer coated directly on the photosensitive layer. The adhesive solution dissolves one of the resins in the photosensitive layer but does not dissolve the photosensitizer and the resin used to bind the pigment. During overcoating of the adhesive on the photosensitive layer, an increasing gradient of the soluble resin towards the adhesive layer and a decreasing gradient of the photosensitizer and nonsoluble resin is formed.

REFERENCES:
patent: 3671240 (1972-06-01), Gramza et al.
patent: 4072527 (1978-09-01), Fan
patent: 4286043 (1981-08-01), Taylor, Jr.
patent: 4289841 (1981-09-01), Cohen et al.
patent: 4650738 (1987-03-01), Platzer et al.
patent: 4659642 (1987-04-01), Platzer et al.
patent: 4762766 (1988-08-01), Melbye
patent: 4808508 (1989-02-01), Platzer

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