Polythiol effect curable polymeric composition

Details Polythiol effect curable polymeric composition Polythiol effect curable polymeric composition

1978-01-23

1980-11-18

Smith, Ronald H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

20415915, 20415916, 20415917, 427 44, 427 541, 430300, 430306, 430313, G03F 708, C33F 710

Patent

active

042346762

ABSTRACT:
Curable composition characterizing by its containing (1) 10 to 97% by weight of a material chosen from the group consisting of C--C unsaturated polymers exemplified by monoalkenyl aromatic diene copolymers, halogen substituted butadienes, acrylonitriles and acrylurethanes and C--C saturated polymeric binders such as the polyvinylpyrolidones, cellulose acetate butyrates and cellulose acetate succinates; (2) at least 1% by weight of material (1) of at least one monomer substantially compatible with material (1) and having at least one cross-linkable C--C double bond; (3) 0.1 to 35% by weight of material (1) of thiol exemplified by polythiols; and optionally (4) a curing agent. The disclosure is directed primarily at printing plate production with a composition containing 0.01 to 10% by weight of material (1) of a photoinitiator and a monomer that is an addition photopolymerizable ethylenically unsaturated acrylic or methacrylic acid ester containing two or more acrylate or methacrylate groups per molecule or mixtures thereof. In an alternate form low molecular weight liquid rubber polymer may be included in the composition. Other materials such as stabilizers may also be present.

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