Photopolymerization of ethylenically-unsaturated organic compoun

Details Photopolymerization of ethylenically-unsaturated organic compoun Photopolymerization of ethylenically-unsaturated organic compoun

1976-03-24

1977-10-11

Brammer, Jack P.

Gas separation: apparatus

Solid sorbent apparatus

With programmed, cyclic, or time responsive control means

96115R, 20415918, 20415919, 20415923, 20415924, G03C 168, C08F 246, C08F 400

Patent

active

040533166

ABSTRACT:
This invention relates to photopolymerizable compositions comprising an ethylenically unsaturated organic compound and a visible light photosensitizing composition comprising a combination of Mn.sub.2 (CO).sub.10 and a co-catalyst selected from the group consisting of a compound characterized by the formula ##STR1## WHEREIN R.sub.1 is --H, --Br, or --CH.sub.3, R.sub.2 is --H or --CH.sub.3, and R.sub.3 is --H or --CH.sub.3 ; cumene; diisopropyl benzene; alkyl mercaptans containing from 10 to 16 carbon atoms; thiourea; and mixtures thereof and to polymerized products thereof. The invention also provides a process for photopolymerizing ethylenically unsaturated organic compounds with visible light in the range of 4,000 to 7,000 angstroms.

REFERENCES:
patent: 2350445 (1958-09-01), Oster
patent: 2875047 (1959-02-01), Oster
patent: 3090664 (1963-05-01), Cline et al.
Strohmeier et al., Chem. Abstracts vol. 62, 13241e (1965).

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