THERMALLY DEVELOPABLE BLACK-AND-WHITE IMAGING MATERIAL

THERMALLY DEVELOPABLE BLACK-AND-WHITE IMAGING MATERIAL

PROBLEM TO BE SOLVED: To provide thermographic and photothermographic materials with improved speed and contrast. SOLUTION: The thermally developable black-and-white material includes a support having thereon one or more thermally developable imaging layers comprising a binder; a non-photosensitive...

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Bibliographische Detailangaben
Hauptverfasser: ISHIDA TAKUZO, SIMPSON SHARON M
Format: Patent
Sprache:eng
Schlagworte:
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HOLOGRAPHY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide thermographic and photothermographic materials with improved speed and contrast. SOLUTION: The thermally developable black-and-white material includes a support having thereon one or more thermally developable imaging layers comprising a binder; a non-photosensitive supply source of reducible silver ions; and a reducing agent composition for the non-photosensitive supply source of reducible silver ions, wherein the reducing agent composition includes (a) a hindered phenol reducing agent, an aromatic di- or trihydroxy compound, or mixtures thereof and (b) a thermally-releasable p-phenylenediamine co-developer that is represented by the structural formula, R-NH-BLOCK (wherein R-NH- is a p-phenylenediamine group and BLOCK is a blocking group). COPYRIGHT: (C)2004,JPO