A-aminoacetophenones as photoinitiators

Details A-aminoacetophenones as photoinitiators A-aminoacetophenones as photoinitiators

1996-03-12

1997-05-13

Chapman, Mark

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 36, 522 39, 4302811, 544 78, C08F 246, C07D26530

Patent

active

056293569

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), H usler et al.
patent: 4582862 (1986-04-01), Berner et al.

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