Photopolymerizable materials for use in producing stencils for s

Details Photopolymerizable materials for use in producing stencils for s Photopolymerizable materials for use in producing stencils for s

1982-08-25

1983-11-29

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Image layer portion transfer and element therefor

430281, 430286, 430283, 430308, 430922, 20415923, 20415924, G03C 168, G03C50000

Patent

active

044181388

ABSTRACT:
Aqueous compositions useful in making stencils for screen printing comprise one or more unsaturated monomers, a tertiary amino compound, a colloid, and a water-soluble, carboxy- or sulpho-alkyleneoxy-thioxanthone photoinitiator. When coated on to a suitable support sheet and dried, photosensitive sheets are obtained useful for making stencils for screen printing by the direct, indirect, or direct/indirect methods.

REFERENCES:
patent: 3926643 (1975-12-01), Chang
patent: 4385182 (1983-05-01), Fischer et al.

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