Process of making photosensitive resin printing plates

Details Process of making photosensitive resin printing plates Process of making photosensitive resin printing plates

1977-12-28

1980-04-08

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

430514, 430524, 430275, G03C 500

Patent

active

041971256

ABSTRACT:
A support convenient for preparing a printing plate in situ using a liquid photosensitive resin of an unsaturated polyurethane resin is disclosed. This support consists of a base plate and coated thereon a layer of a composition consisting of a mercapto-containing ester obtained by polycondensing a thiocarboxylic acid or thioalcohol with a polyglycol or polycarboxylic acid or an aromatic tertiary amine and a polymer binder. The support of this invention, which has a broadened base of a sectionally trapezoidal configuration, provides a relief image that is firmly adhered to the support.

REFERENCES:
patent: 3462267 (1969-08-01), Giangualano et al.
patent: 3645772 (1972-02-01), Jones
patent: 3820993 (1974-06-01), Lewis et al.
patent: 3861921 (1975-01-01), Hoffmann et al.
patent: 3873316 (1975-03-01), Velpen et al.
patent: 3960572 (1976-06-01), Ibata et al.
patent: 4079159 (1978-03-01), Sano et al.

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