Photopolymerizable vinylurethane liquid composition

Details Photopolymerizable vinylurethane liquid composition Photopolymerizable vinylurethane liquid composition

1975-02-24

1976-05-04

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

96 351, 96115P, 20415922, 20415924, 260 775AP, 260 775MA, 427 53, 427 54, 428423, C08F 246, C08F 400, C07C12506

Patent

active

039545849

ABSTRACT:
A photopolymerizable vinylurethane monomer and a composition thereof useful for the preparation of printing plates and reliefs, the vinylurethane monomer being expressed in general by the following chemical formula: ##SPC1##
In which R represents a hydrogen atom or a methyl group, X represents an alkylene or alkane-triyl to -hexayl group or polyalkyleneoxy group having a number average molecular weight not exceeding 2000 or 3000 respectively, and n represents a corresponding number to the valency of the group X selected from 2 to 6, and A represents an alkyleneoxy group or polyalkyleneoxy group of the formula: ##EQU1## where R is a hydrogen atom or a methyl group and m is a positive integer of 1 to 11, and the composition comprising the vinylurethane monomer, ethylenically unsaturated liquid monomers and a photosensitizer.

REFERENCES:
patent: 3424730 (1969-01-01), Lee
patent: 3907865 (1975-09-01), Miyata et al.

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