Substituted naphthacene-5, 12-diones

Details Substituted naphthacene-5, 12-diones Substituted naphthacene-5, 12-diones

1989-05-24

1991-03-19

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Tetracyclo naphthacene configured ring system having at...

552202, 552203, C07C 5022, C07C 5036

Patent

active

050012436

ABSTRACT:
Naphthacene-5,12-diones which are substituted by at least one organic thio radical are not only photoinitiators for the photopolymerization but also sensitizers for the photodimerization of ethylenically unsaturated compounds. Compositions made of these naphthacene-5,12-diones and ethylenically unsaturated compounds are suitable for the preparation of printing inks, paints, printing plates, resist materials or as image recording material.

REFERENCES:
patent: 3941759 (1976-03-01), Taylor et al.
Farina et al., An Quim Ser C. vol. 81 (2) pp. 133-138 (1985).
Derwent Abstract of Japanese 49081-440 (1974).

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