Photoinitiator blends

Details Photoinitiator blends Photoinitiator blends

1999-03-17

2000-08-15

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430916, 522 64, 522 18, 522908, G03C 173

Patent

active

061034533

ABSTRACT:
A photoinitiator blend, containing
a) at least one monoacylphosphine oxide of formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.18 alkyl; C.sub.1 -C.sub.4 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.9 phenylalkyl, phenyl, naphthyl, biphenyl, all substituted by halogen or C.sub.1 -C.sub.6 alkoxy; phenyl, naphthyl or biphenylyl, all mono- or poly-substituted by halogen, C.sub.1 -C.sub.12 alkyl and/or C.sub.1 -C.sub.12 alkoxy; or a monovalent N--, O--, or S--containing 5-membered or 6-membered heterocyclic radical,

REFERENCES:
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patent: 4292152 (1981-09-01), Lechtken et al.
patent: 4737593 (1988-04-01), Ellrich et al.
patent: 4792632 (1988-12-01), Ellrich et al.
patent: 5218009 (1993-06-01), Rutsch et al.
patent: 5399770 (1995-03-01), Leppard et al.
patent: 5767169 (1998-06-01), Leppard et al.

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