Sensitizers for photopolymerization

Details Sensitizers for photopolymerization Sensitizers for photopolymerization

1979-12-28

1981-12-29

Trousof, Natalie

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

Organic compounds

Oxygen containing

568329, 568330, 568331, 560254, 560 53, 560255, 560 38, 260465D, 2603477, 2603478, 2603479, 564342, 564344, 564345, 564379, 556436, 544386, 544391, 544175, 544162, 544237, 544230, 544399, 546237, 546230, 20415918, 20415916, 20415923, 20415924, 2041592, C07C 49213, C07C 49237

Patent

active

043084001

ABSTRACT:
Aromatic-aliphatic ketones of the formulae I, II, III or IV ##STR1## wherein n is 1 or 2, Ar is an aryl radical, R.sup.1 and R.sup.2 are monvalent aliphatic, cycloaliphatic or araliphatic radicals, R.sup.3 is a direct bond or a divalent organic radical, X is a hydroxyl or amino group or the monovalent etherification or silylation products thereof, and X' is a divalent amino, ether or silyloxy group, Y is a direct bond or CH.sub.2 and Z is O, S, SO.sub.2, CH.sub.2 or C(CH.sub.3).sub.2, are suitable sensitizers for the photopolymerization of unsaturated compounds and for the photochemical crosslinking of polyolefins. Some of these compounds are novel and can be obtained by methods analogous to those for obtaining the known compounds of this type.

REFERENCES:
patent: 3082255 (1963-03-01), Stevens et al.
patent: 3171858 (1965-03-01), L'Italien
patent: 3340305 (1967-09-01), Jahn
patent: 3465039 (1969-09-01), Siemer
patent: 3578682 (1971-05-01), Ash et al.
patent: 3819706 (1974-06-01), Mehta
patent: 3900478 (1975-08-01), Kropcho
patent: 4048038 (1977-09-01), Martan

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