Acylphosphine oxides and their use

Details Acylphosphine oxides and their use Acylphosphine oxides and their use

1982-08-19

1984-05-08

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430285, 430923, 20415915, 20415923, 260931, C07F 953, G03C 168

Patent

active

044475209

ABSTRACT:
Acylphosphine oxides of the general formula ##STR1## where R.sup.1 is methyl or ethyl, R.sup.2 is a branched or straight-chain alkyl radical or chlorine, alkoxy or hydrogen, R.sup.3 and R.sup.4 are identical or different, and are each alkyl, alkoxy, alkylthio or chlorine and R.sup.5 is hydrogen, chlorine, alkoxy, alkylthio or alkyl, may be used as photoinitiators in photopolymerizable materials.

REFERENCES:
patent: 3715293 (1973-02-01), Sandner et al.
patent: 3801329 (1974-04-01), Sandner et al.
patent: 4265723 (1981-05-01), Hesse et al.
patent: 4292152 (1981-09-01), Lechtken et al.
patent: 4298738 (1981-11-01), Lechtken et al.
patent: 4324744 (1982-04-01), Lechtken et al.
patent: 4385109 (1983-05-01), Lechtken et al.

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