Photopolymerizable compositions containing cyclic cis-.alpha.-di

Details Photopolymerizable compositions containing cyclic cis-.alpha.-di Photopolymerizable compositions containing cyclic cis-.alpha.-di

1975-08-28

1976-04-27

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 87R, 96115P, 20415923, G03C 194, G03C 168, C08F 246

Patent

active

RE0287890

ABSTRACT:
Photopolymerizable compositions comprising an ethylenically unsaturated monomer and an initiating combination of a cyclic cis-.alpha.-dicarbonyl compound and certain radiation-absorbing sensitizers are disclosed. Compositions of the invention have improved photospeed and may be chosen to provide a wide range of spectral sensitivity.

REFERENCES:
patent: 2951758 (1960-09-01), Notley
patent: 3427161 (1969-02-01), Laridon et al.
patent: 3488269 (1970-01-01), Allen et al.
patent: 3661588 (1972-05-01), Chang

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