Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1980-02-08
1981-09-29
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430536, 430537, 430637, 430950, 430961, G03C 176, G03C 138
Patent
active
042924022
ABSTRACT:
Fluorine-containing surfactants according to formula (Rf--X).sub.n --A--L--Z wherein Rf is a short-chain fluorine-containing group derived from hexafluoropropylene or trifluorochloroethylene, X is --O--, --S--, or --SO.sub.2 --, n is at least 2, the Rf groups being same or different, L is a monovalent bond or a bivalent bridging group such as --COO--alkylene, --CONR.sup.1 --alkylene, or --SO.sub.2 NR.sup.1 --alkylene, wherein R.sup.1 is hydrogen or C.sub.1 -C.sub.5 alkyl, and Z represents a hydrophilic polyoxyethylene group or a hydrophilic group such as ##STR1## wherein M is hydrogen, an alkali metal, ammonium, or organic ammonium, and R.sup.3 is alkyl; A is an aliphatic, aromatic, or aliphatic-aromatic group. These surfactants can be used in hydrophilic colloid layers, which may form part of light-sensitive silver halide materials.
REFERENCES:
patent: 3837863 (1974-09-01), Sakazume et al.
patent: 3850642 (1974-11-01), Bailey et al.
patent: 4047804 (1977-09-01), Stephens
patent: 4201586 (1980-05-01), Hori et al.
de Jaeger Nikolaas C.
Kokelenberg Hendrik E.
Pollet Robert J.
Samijn Rafael P.
Sels Francis J.
Agfa-Gevaert N.V.
Breiner A. W.
Brown J. Travis
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