EP0921434B1 - Thermographisches Aufzeichnungsmaterial mit verbesserter Bilddichte und/oder Gradation bei der thermischen Entwicklung - Google Patents
Thermographisches Aufzeichnungsmaterial mit verbesserter Bilddichte und/oder Gradation bei der thermischen Entwicklung Download PDFInfo
- Publication number
- EP0921434B1 EP0921434B1 EP98203791A EP98203791A EP0921434B1 EP 0921434 B1 EP0921434 B1 EP 0921434B1 EP 98203791 A EP98203791 A EP 98203791A EP 98203791 A EP98203791 A EP 98203791A EP 0921434 B1 EP0921434 B1 EP 0921434B1
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- EP
- European Patent Office
- Prior art keywords
- compounds
- recording material
- group
- substituted
- silver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium group Chemical group [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- AUHHYELHRWCWEZ-UHFFFAOYSA-N tetrachlorophthalic anhydride Chemical compound ClC1=C(Cl)C(Cl)=C2C(=O)OC(=O)C2=C1Cl AUHHYELHRWCWEZ-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- 150000001467 thiazolidinediones Chemical class 0.000 description 1
- 150000003549 thiazolines Chemical class 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
- 239000001018 xanthene dye Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
- G03C1/498—Photothermographic systems, e.g. dry silver
- G03C1/49836—Additives
- G03C1/49845—Active additives, e.g. toners, stabilisers, sensitisers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
- G03C1/498—Photothermographic systems, e.g. dry silver
- G03C1/4989—Photothermographic systems, e.g. dry silver characterised by a thermal imaging step, with or without exposure to light, e.g. with a thermal head, using a laser
Definitions
- a preferred photosensitive species capable upon exposure of forming species capable of catalyzing reduction of the silver behenate of the present invention is silver halide.
- Useful cyanine dyes include those having a basic nucleus, for example a thiazoline nucleus, an oxazoline nucleus, a pyrroline nucleus, a pyridine nucleus, an oxazole nucleus, a thiazole nucleus, a selenazole nucleus and an imidazole nucleus.
- the recording material may further includes a supersensitizer.
- Preferred supersensitzers are selected from the group of compounds consisting of: mercapto-compounds, disulfide-compounds, stilbene compounds, organoborate compounds and styryl compounds.
- Suitable supersensitizers for use with infra-red spectral sensitizers are disclosed in EP-A 559 228, EP-A 587 338, US-P 3,877,943, US-P 4,873,184 and EP-A 0 821 271.
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Claims (10)
- Ein keinen thermisch bleichbaren Farbstoff enthaltendes Aufzeichnungsmaterial, das einen Träger und ein wärmeempfindliches Element mit einem organischen Silbersalz, einem organischen Reduktionsmittel dafür in thermischer wirksamer Beziehung dazu und einem Bindemittel enthält, dadurch gekennzeichnet, daß das Aufzeichnungsmaterial des weiteren eine halogenidionenfreie Aryloniumverbindung enthält, außer Verbindungen der Formel (I):in der La eine Valenzbindung oder eine zweiwertige oder dreiwertige Verbindungsgruppe ist, L2 eine Alkylengruppe ist, Ra und Rb jeweils ein Wasserstoffatom oder eine einwertige Substituentengruppe bedeuten, M1 ein Oniumion ist, Ra und Rb zusammen einen Ring bilden dürfen und D eine elektronenliefernde Gruppe von Atomen ist, mit der Maßgabe, daß wenn D eine Hydrazingruppe ist, die kein Teil einer Semicarbazidgruppe ist, keine Oxogruppe am direkt an ein Stickstoffatom der Hydrazingruppe gebundenen Kohlenstoffatom substituiert ist.
- Aufzeichnungsmaterial nach Anspruch 1, dadurch gekennzeichnet, daß die halogenidionenfreie Aryloniumverbindung aus der Gruppe bestehend aus Polyarylphosphoniumverbindungen, substituierten Polyarylphosphoniumverbindungen, Monoarylammoniumverbindungen, substituierten Monoarylammoniumverbindungen, Polyarylammoniumverbindungen, substituierten Polyarylammoniumverbindungen, Diarylsulfoniumverbindungen, substituierten Diarylsulfoniumverbindungen, Monoarylsulfoniumverbindungen, substituierten Monoarylsulfoniumverbindungen, heterocyclischen Phosphoniumverbindungen, substituierten heterocyclischen Phosphoniumverbindungen, heterocyclischen Ammoniumverbindungen und substituierten heterocyclischen Ammoniumverbindungen gewählt wird.
- Aufzeichnungsmaterial nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die halogenidionenfreie Aryloniumverbindung eine substituierte oder nicht-substituierte Triphenylphosphoniumverbindung ist.
- Aufzeichnungsmaterial nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das organische Silbersalz ein Silbersalz einer organischen Carbonsäure ist.
- Aufzeichnungsmaterial nach Anspruch 4, dadurch gekennzeichnet, daß das Silbersalz einer organischen Carbonsäure aus der Gruppe bestehend aus Silberbehenat, Silberstearat und Silberpalmitat gewählt wird.
- Aufzeichnungsmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das wärmeempfindliche Element weiterhin ein Tönungsmittel enthält.
- Aufzeichnungsmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das wärmeempfindliche Element mit einer Schutzschicht versehen ist.
- Aufzeichnungsmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das wärmeempfindliche Element weiterhin eine strahlungsempfindliche Substanz enthält, die bei Belichtung eine Substanz zu bilden vermag, die die Reduktion des organischen Silbersalzes zu katalysieren vermag.
- Ein durch die nachstehenden Schritte gekennzeichnetes Aufzeichnungsverfahren : (i) Anordnen einer Außenschicht eines Aufzeichnungsmaterials nach einem der Ansprüche 1 bis 8 in der Nähe einer Heizquelle, (ii) bildmäßige Beaufschlagung des Aufzeichnungsmaterials mit von der Heizquelle gelieferter Wärme zur Herstellung eines Bildes, wobei das Aufzeichnungsmaterial in der Nähe der Heizquelle gehalten wird, und (iii) Entfernen des Aufzeichnungsmaterials von der Heizquelle.
- Aufzeichnungsverfahren nach Anspruch 9, dadurch gekennzeichnet, daß die Heizquelle ein Dünnfilm-Thermokopf ist.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98203791A EP0921434B1 (de) | 1997-12-06 | 1998-11-10 | Thermographisches Aufzeichnungsmaterial mit verbesserter Bilddichte und/oder Gradation bei der thermischen Entwicklung |
| US09/199,924 US6037114A (en) | 1998-01-27 | 1998-11-25 | Thermographic recording material with improved image density and/or image gradation upon thermal development |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97203833 | 1997-12-02 | ||
| EP97203833 | 1997-12-06 | ||
| US7267598P | 1998-01-27 | 1998-01-27 | |
| EP98203791A EP0921434B1 (de) | 1997-12-06 | 1998-11-10 | Thermographisches Aufzeichnungsmaterial mit verbesserter Bilddichte und/oder Gradation bei der thermischen Entwicklung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0921434A1 EP0921434A1 (de) | 1999-06-09 |
| EP0921434B1 true EP0921434B1 (de) | 2003-07-09 |
Family
ID=27238541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98203791A Expired - Lifetime EP0921434B1 (de) | 1997-12-06 | 1998-11-10 | Thermographisches Aufzeichnungsmaterial mit verbesserter Bilddichte und/oder Gradation bei der thermischen Entwicklung |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0921434B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1158355A1 (de) * | 2000-05-25 | 2001-11-28 | Agfa-Gevaert N.V. | Thermographisches Aufzeichnungsmaterial mit verbessertem Bildton |
| EP1484641A1 (de) * | 2003-06-06 | 2004-12-08 | Agfa-Gevaert | Bindemittel zur Verwendung in wärmeempfindlichen Elementen von thermographischen Aufzeichnungsmaterialien, die im wesentlichen lichtunempfindlich sind |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5395747A (en) * | 1993-12-20 | 1995-03-07 | Minnesota Mining & Manufacturing Company | Stabilized thermal-dye-bleach constructions |
| JPH10120928A (ja) * | 1996-10-22 | 1998-05-12 | Fuji Photo Film Co Ltd | 熱現像感光材料、新規な２，３−ジヒドロチアゾール誘導体およびハロゲン化銀写真感光材料 |
| US5714311A (en) * | 1997-01-08 | 1998-02-03 | Eastman Kodak Company | Thermally processable imaging element comprising aryliodonium compounds |
-
1998
- 1998-11-10 EP EP98203791A patent/EP0921434B1/de not_active Expired - Lifetime
Non-Patent Citations (3)
| Title |
|---|
| Dictionary of Scientific and Technical Terms, S.P.Parker, page 1318, New York * |
| Encyclopedia of Chemistry, S.P.Parker, page 432, New York 1983 * |
| Hackh's Chemical Dictionary, J.Grant, page 473, New York * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0921434A1 (de) | 1999-06-09 |
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