Supports for printing plates

Details Supports for printing plates Supports for printing plates

1979-12-17

1981-05-26

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430275, 430278, 430281, 430510, 430531, 430284, 430285, G03C 168

Patent

active

042699312

ABSTRACT:
An improved support comprising (A) a base plate and (B) an adhesive layer formed on the surface of the base plate is provided for making a printing plate from a liquid photosensitive resin. The improvement resides in the inclusion of a tertiary phosphite or tertiary phosphine in the adhesive layer. The improved adhesive layer acts to give reliefs of a good shoulder shape, and this action can be retained over long periods of time.
In an alternative embodiment, an activating layer (C) containing a tertiary phosphite or tertiary phosphine is formed on the adhesive layer.

REFERENCES:
patent: 3715293 (1973-02-01), Sandner et al.
patent: 3801329 (1974-04-01), Sandner et al.
patent: 3861921 (1975-01-01), Hoffmann et al.
patent: 3998712 (1976-12-01), Hickman et al.

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