Novel alpha-aminoacetophenones as photoinitiators

Details Novel alpha-aminoacetophenones as photoinitiators Novel alpha-aminoacetophenones as photoinitiators

1990-03-28

1991-12-31

Mc Camish, Marion E.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

522 34, 522 36, 522 39, 522 96, 522 81, 522107, 522109, 522121, 544163, 544171, 544175, 544130, 544141, 544121, 544137, 558405, 560 38, 564342, C08F 250, C07C22510, C07D29510

Patent

active

050774026

ABSTRACT:
Compounds of the formula I, II, III and IIIa ##STR1## in which Ar.sup.1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R.sup.1 and R.sup.2 is an alkenyl, cycloalkenyl or arylmethyl group, are effective photoinitiators for photopolymerization of unsaturated compounds. They are particularly suitable for photocuring of pigmented systems.

REFERENCES:
patent: 3804736 (1974-04-01), Pasternack et al.
patent: 4318791 (1982-03-01), Felder et al.
patent: 4559371 (1985-12-01), Husler et al.
patent: 4582862 (1986-04-01), Berner et al.

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