Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1990-10-26
1992-01-07
Stoll, Robert L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430533, 430534, 430537, 430627, G03C 176, G03C 1005
Patent
active
H00010162
ABSTRACT:
A silver halide photosensitive material is disclosed, comprising a polyester film support having thereon at least one hydrophilic colloid layer, at least one layer of which is a silver halide emulsion layer and at least one layer of which is a polymer latex-containing hydrophilic colloid layer, said polyester film support having coated on each side thereof a vinylidene chloride copolymer having a weight average molecular weight not more than 45,000, said vinylidene chloride copolymer being a core/shell type latex, said core part containing at least one of each type of repeating unit represented by formulae (I) and )II) and the said shell part containing at least one of each type of repeating unit represented the formulae (I), (III) and (IV): ##STR1## wherein A.sup.1 represents a hydrogen atom, a methyl group or a halogen atom, A.sup.2 represents a substituted or unsubstituted alkyl group or phenyl group, A.sup.3 represents a hydrogen atom or a methyl group, A.sup.4 represents a hydrogen atom, a methyl group or a --CH.sub.2 COOM group, A.sup.5 represents a hydrogen atom, a methyl group or a --COOM group, A.sup.6 represents a --COOM group or an alkoxycarbonyl group, phenyl group or N-alkylcarbamoyl group which is substituted with a --COOM group, and M represents a hydrogen atom or an alkali metal atom.
REFERENCES:
patent: 4213783 (1980-07-01), Cook
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patent: 4699869 (1987-10-01), Bayless et al.
patent: 4714671 (1987-12-01), Helling et al.
patent: 4933267 (1990-06-01), Ishigaki et al.
patent: 4977071 (1990-12-01), Kanetake et al.
Hatakeyama Akira
Naoi Takashi
Ono Shigetoshi
Yasuda Tomokazu
Fuji Photo Film Co. , Ltd.
Harris C.
Stoll Robert L.
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