WO1981000919A1 - Material for obtaining photographic prints by dry process - Google Patents
Material for obtaining photographic prints by dry process Download PDFInfo
- Publication number
- WO1981000919A1 WO1981000919A1 PCT/CH1980/000110 CH8000110W WO8100919A1 WO 1981000919 A1 WO1981000919 A1 WO 1981000919A1 CH 8000110 W CH8000110 W CH 8000110W WO 8100919 A1 WO8100919 A1 WO 8100919A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- light
- receiving material
- silver
- layer
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 21
- 238000001035 drying Methods 0.000 title 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000004668 long chain fatty acids Chemical class 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000005711 Benzoic acid Substances 0.000 abstract description 3
- 235000010233 benzoic acid Nutrition 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- -1 aromatic carboxylic acids Chemical class 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- IJAPPYDYQCXOEF-UHFFFAOYSA-N phthalazin-1(2H)-one Chemical compound C1=CC=C2C(=O)NN=CC2=C1 IJAPPYDYQCXOEF-UHFFFAOYSA-N 0.000 description 4
- 150000003378 silver Chemical class 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229940079877 pyrogallol Drugs 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- ORYURPRSXLUCSS-UHFFFAOYSA-M silver;octadecanoate Chemical compound [Ag+].CCCCCCCCCCCCCCCCCC([O-])=O ORYURPRSXLUCSS-UHFFFAOYSA-M 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- WXTMDXOMEHJXQO-UHFFFAOYSA-N 2,5-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC(O)=CC=C1O WXTMDXOMEHJXQO-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WTOSNONTQZJEBC-UHFFFAOYSA-N erythrosin Chemical compound OC(=O)C1=CC=CC=C1C(C1C(C(=C(O)C(I)=C1)I)O1)=C2C1=C(I)C(=O)C(I)=C2 WTOSNONTQZJEBC-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052757 nitrogen Chemical group 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- AQRYNYUOKMNDDV-UHFFFAOYSA-M silver behenate Chemical compound [Ag+].CCCCCCCCCCCCCCCCCCCCCC([O-])=O AQRYNYUOKMNDDV-UHFFFAOYSA-M 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XBYRMPXUBGMOJC-UHFFFAOYSA-N 1,2-dihydropyrazol-3-one Chemical class OC=1C=CNN=1 XBYRMPXUBGMOJC-UHFFFAOYSA-N 0.000 description 1
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- 150000004782 1-naphthols Chemical class 0.000 description 1
- XIROXSOOOAZHLL-UHFFFAOYSA-N 2',3',4'-Trihydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C(O)=C1O XIROXSOOOAZHLL-UHFFFAOYSA-N 0.000 description 1
- RCALTZPFYQMVGL-UHFFFAOYSA-N 2,6-dicyclohexyl-4-methylphenol Chemical compound OC=1C(C2CCCCC2)=CC(C)=CC=1C1CCCCC1 RCALTZPFYQMVGL-UHFFFAOYSA-N 0.000 description 1
- FLFWJIBUZQARMD-UHFFFAOYSA-N 2-mercapto-1,3-benzoxazole Chemical compound C1=CC=C2OC(S)=NC2=C1 FLFWJIBUZQARMD-UHFFFAOYSA-N 0.000 description 1
- 150000004786 2-naphthols Chemical class 0.000 description 1
- OPXYNEYEDHAXOM-UHFFFAOYSA-N 3-oxobutanenitrile Chemical class CC(=O)CC#N OPXYNEYEDHAXOM-UHFFFAOYSA-N 0.000 description 1
- OUBZKZQULSHJLW-UHFFFAOYSA-N 4-(4-chlorophenyl)-3-oxobutanenitrile Chemical compound ClC1=CC=C(CC(=O)CC#N)C=C1 OUBZKZQULSHJLW-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical class NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical class C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical group O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- RPWFJAMTCNSJKK-UHFFFAOYSA-N Dodecyl gallate Chemical compound CCCCCCCCCCCCOC(=O)C1=CC(O)=C(O)C(O)=C1 RPWFJAMTCNSJKK-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Chemical class 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Chemical class 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- UQTCSFPVHNDUOG-UHFFFAOYSA-N azanium 4-carboxy-2,6-dihydroxyphenolate Chemical compound [NH4+].OC(=O)C1=CC(O)=C([O-])C(O)=C1 UQTCSFPVHNDUOG-UHFFFAOYSA-N 0.000 description 1
- HNYOPLTXPVRDBG-UHFFFAOYSA-N barbituric acid Chemical compound O=C1CC(=O)NC(=O)N1 HNYOPLTXPVRDBG-UHFFFAOYSA-N 0.000 description 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- 229910001864 baryta Inorganic materials 0.000 description 1
- 229940116226 behenic acid Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 1
- XOPOEBVTQYAOSV-UHFFFAOYSA-N butyl 3,4,5-trihydroxybenzoate Chemical compound CCCCOC(=O)C1=CC(O)=C(O)C(O)=C1 XOPOEBVTQYAOSV-UHFFFAOYSA-N 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000010386 dodecyl gallate Nutrition 0.000 description 1
- 229940080643 dodecyl gallate Drugs 0.000 description 1
- 239000000555 dodecyl gallate Substances 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Chemical group 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 239000004584 polyacrylic acid Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- LTYHQUJGIQUHMS-UHFFFAOYSA-M silver;hexadecanoate Chemical compound [Ag+].CCCCCCCCCCCCCCCC([O-])=O LTYHQUJGIQUHMS-UHFFFAOYSA-M 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 231100000925 very toxic Toxicity 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide 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
Definitions
- the invention relates to an image-receiving material for the production of photographic copies in a dry way, with a layer containing a light-insensitive silver salt and a toner.
- the invention relates to a thermo-photographic copying material for the production of copies by, by means of heat-activated reduction of a silver salt of an organic acid, in the presence of a light-sensitive reducing agent, which copying material contains in at least one layer a silver salt of an organic acid and a light-resistant reducing agent for the silver ion.
- the photosensitive, reducing organic compound is first made inactive and non-transferable by light by exposing imagewise in the presence of a compound which contributes to inactivating the reducing compound.
- the reducing compound still remaining in the unexposed or less strongly exposed areas is then transferred by heat to the image-receiving layer with the silver salt of an organic acid and the light-sensitive reducing agent for the silver ion, on which the color formation occurs.
- Such compounds are, for example, 1 (2H) phthalazinone, barbituric acid, saccharin and 2-mercaptobenzoxazole.
- 1 (2H) phthalazinone is used because these images have a deep black color.
- the English patent GB 1,418,413 shows a possibility for stabilizing the 1 (2H) phthalazinone which is effective in itself but has the disadvantage that very toxic gases are released during development.
- the invention is based on the object of stabilizing the toners used for the thermophoto graphic copying process described above.
- aromatic carboxylic acids can be added to the layers in various amounts.
- the optimal amount depends on the desired effect and the layer composition.
- the optimum amount in each case can be determined by a few simple tests which are familiar to the person skilled in the art. In general, additions of 0.01-4 moles of acid, preferably 0.1-2 moles, per mole of the tinting agent used have proven to be sufficient.
- aromatic carboxylic acids can be used in combination with the materials and compounds known for the respective heat development process, e.g. Reducing agents, binders, silver salts and other heavy metal salts, white pigments and stabilizers are used.
- Silver compounds which have largely proven to be useful are those which are largely insensitive to light under the conditions of the process, for example the silver salts of aliphatic carboxylic acids with a thioether group or silver salts of long-chain fatty acids described in British Patent Specification GB P 1,111,492 such as silver behenate, silver palmitate or silver stearate.
- silver behenate and silver stearate are preferable because it is combined with free behenic acid. and stearic acid, respectively, increase the moisture resistance of the image-receiving layer.
- Reducing compounds which have proven suitable for the thermally initiated reduction of these silver salts include e.g. Pyrogallol, 4-stearoyl-pyrogallol, galloacetophenone, di-tert-butyl-pyrogallol, butyl gallate, dodecyl gallate, gallic acid, ammonium gallate, 2,5-dihydroxy-benzoic acid, ⁇ - and ⁇ -naphthols, 1-hydroxy-naphthoic acid- (2 ), Phloroglucinol, pyrocatechol, hydroquinone, l-phenyl-pyrazolidin-3-one, 4,4'-dihydroxybiphenyl, l-hydroxy-4-methoxy-naphthalene, l-hydroxy-4-methoxy-dihydro-naphthalene, o - and p-phenylenediamine and acetoacetonitrile derivatives, e.g. in accordance with US Patent 3,619
- reducing agents which are suitable for use at higher temperatures are pyrazolin-5-one compounds with at least one hydrogen atom in the 4-position. Suitable compounds of the latter type are described in German Offenlegungsschrift No. 2,117,053.
- these reducing compounds are organic compounds in which an active hydrogen atom is bonded to a carbon, oxygen or nitrogen atom, which in turn is bonded to an atom of an aromatic or heterocyclic ring or in If the nitrogen atom can also be part of a heterocyclic ring.
- Halogen-containing fluorescein dyes such as erythrosin and those in the German, are particularly suitable Patent applications P 20 42 654.6, 20 42 531.4, 20 42 663.5 and 21.06 577.0 described dyes.
- Examples of such compounds are phenols with steric hindrance which actively participate in the reduction reaction when heated, such as 2,6-di-tert-butyl-4-methylphenol or 2,6-dicyclohexyl-p-cresol.
- the image tone and the image density of the image receiving material can be determined by certain metal salts, e.g. Lead II stearate can be improved.
- metal salts e.g. Lead II stearate
- Such metal ion image intensifiers and their application are described in German Patent Specification 1,572,209.
- the usual natural or synthetic film-forming polymers are suitable as binders for the light-sensitive layer or for the image-receiving layer, e.g. Proteins, in particular gelatin, cellulose derivatives, in particular cellulose ethers, cellulose esters or carboxymethyl cellulose, alginic acid and derivatives thereof, starch ether or gallactomannan, furthermore polyvinyl alcohol, polyvinyl pyrrolidone, polyvinyl chloride, copolymers of vinyl chloride and vinyl acetate, polyvinyl acetate or completely or partially saponified or polyvinyl Copolymers of vinyl acetate, copolymers of acrylonitrile and acrylamide, polyacrylic acid esters, polymethacrylic acid esters, polyethylene and others
- the layers can be used as self-supporting layers or applied to a layer support.
- Suitable supports are e.g. Paper, especially baryta or laminated paper, cellulose esters, e.g. Cellulose triacetate, polyester, in particular based on ethylene terephthalate, glass, etc.
- the layers can also contain white pigments, such as zinc oxide, silicon dioxide or titanium dioxide as fillers, to improve the whiteness and to influence the adhesiveness of the layers.
- white pigments such as zinc oxide, silicon dioxide or titanium dioxide as fillers
- the reactants can also be placed in a fibrous web.
- pigments, fillers, fusible substances such as Waxes, dyes and various other additives can be incorporated.
- the silver salt and the toner are preferably mixed together before pouring. However, they can also be applied separately in adjacent layers from which the toner - e.g. when heating the carrier film - can diffuse to the metal salt.
- the light sources customary in reproduction technology such as halogen lamps, iodine quartz lamps or incandescent lamps, can be used to expose the light-sensitive layers.
- the spectral sensitivity of the light-sensitive material depends on the nature of the sensitizer dyes used.
- the transfer of the image-forming compounds from the unexposed areas of the light-sensitive layers into the image-receiving layer takes place in the heat at temperatures between 8 ⁇ and 200 ° C.
- the heating can take place, for example, by guiding the exposed light-sensitive layer in contact with the image-receiving layer over hot plates or rollers or by irradiation with UR light.
- the most favorable temperature and heating time naturally depend on the nature of the image-forming compound or the composition of the light-insensitive silver-containing copying material; it can be determined by a few simple experiments.
- the ready-to-use mixture is then poured onto a paper carrier in an amount of 115500 gg / m 2 and dried.
- the light-sensitive layer is exposed to massive amounts of image.
- the exposure lasts 30 seconds and is carried out with a tungsten filament lamp of 1500 watts, which is attached at a distance of 5 cm from the light-sensitive material.
- the exposed layer is then brought into contact with the image-receiving layer at 125 ° C for 5 seconds. Deep black, high density images are obtained.
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Abstract
The layer contains a photoresistant silver salt and a toner. To stabilize the toner, the layer comprises also a benzoic acid of the formula set out in claim 1.
Description
Bildempfangsmaterial für die Herstellung von photographischen Kopien auf trockenem Wege Image receiving material for the production of photographic copies by dry means
Die Erfindung bezieht sich auf ein Bildempfangsmaterial für die Herstellung von photographischen Kopien auf trockenem Wege, mit einer Schicht, die ein lichtunempfindliches Silbersalz und einen Toner enthält.The invention relates to an image-receiving material for the production of photographic copies in a dry way, with a layer containing a light-insensitive silver salt and a toner.
Insbesondere betrifft die Erfindung ein thermophotographisches Kopiermaterial zur Herstellung von Kopien, durch, mittels Wärme aktivierte Reduktion eines Silbersalzes einer organischen Säure, in Gegenwart eines lichtempfindlichen Reduktionsmittels, welches Kopiermaterial in mindestens einer Schicht ein Silbersalz einer organischen Säure und ein lichtbeständiges Reduktionsmittel für das Silberion enthalt.In particular, the invention relates to a thermo-photographic copying material for the production of copies by, by means of heat-activated reduction of a silver salt of an organic acid, in the presence of a light-sensitive reducing agent, which copying material contains in at least one layer a silver salt of an organic acid and a light-resistant reducing agent for the silver ion.
Die lichtempfindliche, reduzierende organische Verbindung wird zunächst durch Licht inaktiv und nicht übertragbar gemacht, indem man bildmässig in Gegenwart einer Verbindung belichtet, die zur Inaktivierung der reduzierenden Verbindung beiträgt. Die in den unbelichteten oder weniger stark -belichteten Stellen noch verbleidende, reduzierende Verbindung wird dann durch Wärme auf die Bildempfangsschicht mit dem Silbersalz einer organischen Säure und dem lichtbe- sfcandigen Reduktionsmittel für das Silberion übertragen, auf der die Farbbildung zustande kommt.The photosensitive, reducing organic compound is first made inactive and non-transferable by light by exposing imagewise in the presence of a compound which contributes to inactivating the reducing compound. The reducing compound still remaining in the unexposed or less strongly exposed areas is then transferred by heat to the image-receiving layer with the silver salt of an organic acid and the light-sensitive reducing agent for the silver ion, on which the color formation occurs.
Bei diesem Verfahren werden nur gelbe bis hellbraune Silberbilder von geringem Kontrast erhalten. Es ist deshalb bekannt, dass man um Bilder mit genügender optischer Dichte zu erhalten, der Bildempfangsschicht sogenannte Toner zusetzt, die den Bildton nach braun bis schwarz verschieben.With this method, only yellow to light brown silver images of low contrast are obtained. It is therefore known that in order to obtain images with sufficient optical density, so-called toners are added to the image-receiving layer, which shift the image tone from brown to black.
Derartige Verbindungen sind z.B. 1 (2H)-Phtala- zinon, Barbitursäure, Saccharin und 2-Mercaptobenzoxazol. Wobei vorzugsweise 1 (2H) -Phtalazinon eingesetzt wird, da
diese Bilder eine tiefschwarze Farbe aufweisen.Such compounds are, for example, 1 (2H) phthalazinone, barbituric acid, saccharin and 2-mercaptobenzoxazole. Preferably 1 (2H) phthalazinone is used because these images have a deep black color.
Es ist jedoch bekannt, dass die Wirksamkeit von l(2H)-Phtalazinon bei Lagerung des unkopierten Materials über mehrere Monate, insbesondere bei Lagerung bei erhöhter. Temperatur und Luftfeuchtigkeit wesentlich vermindert wird.However, it is known that the effectiveness of l (2H) phthalazinone when the uncopied material is stored for several months, in particular when stored at elevated. Temperature and humidity is significantly reduced.
In der englischen Patentschrift GB 1.418.413 wird eine Möglichkeit zur Stabilisierung des 1(2H)-Phtala- zinons aufgezeigt, die an sich wirksam ist, jedoch den Nachteil aufweist, dass bei der Entwicklung sehr toxische Gase frei werden.The English patent GB 1,418,413 shows a possibility for stabilizing the 1 (2H) phthalazinone which is effective in itself but has the disadvantage that very toxic gases are released during development.
Der Erfindung liegt nun die Aufgabe zu Grunde, die eingesetzten Toner für das oben beschriebene thermophoto graphische Kopierverfahren zu stabilisieren.The invention is based on the object of stabilizing the toners used for the thermophoto graphic copying process described above.
Es wurde nun gefunden, dass die Zugabe der im Anspruch 1 definierten aromatischen Carbonsäuren die Lagerstabilität des unkopierten Materials wesentlich verbessern.It has now been found that the addition of the aromatic carboxylic acids defined in claim 1 significantly improves the storage stability of the uncopied material.
Diese aromatischen Carbonsäuren können den Schichten in verschiedenen Mengen zugesetzt werden. Die optimale Menge hängt von dem gewünschten Effekt und der SchichtZusammensetzung ab. Die jeweils optimale Menge kann durch wenige einfache, dem Durchschnittsfachmann geläufige Versuche festgestellt werden. Im allgemeinen haben sich Zusätze von 0,01-4 Mol Säure, vorzugsweise 0,1-2 Mol, pro Mol des eingesetzten Tönungsmittels als ausreichend erwiesen.These aromatic carboxylic acids can be added to the layers in various amounts. The optimal amount depends on the desired effect and the layer composition. The optimum amount in each case can be determined by a few simple tests which are familiar to the person skilled in the art. In general, additions of 0.01-4 moles of acid, preferably 0.1-2 moles, per mole of the tinting agent used have proven to be sufficient.
Die aromatischen Carbonsäuren können in Kombination mit den für das jeweilige Wärmeentwickrungsverfahren bekannten Materialien und Verbindungen, z.B. Reduktionsmitteln, Bindemitteln, Silbersalzen und sonstigen Schwermetallsalzen, Weisspigmenten und Stabilisatoren angewandt werden.The aromatic carboxylic acids can be used in combination with the materials and compounds known for the respective heat development process, e.g. Reducing agents, binders, silver salts and other heavy metal salts, white pigments and stabilizers are used.
Als bevorzugt brauchbar haben sich Silberverbin dungen erwiesen, die unter den Bedingungen des Verfahrens weitgehend lichtunempfindlich sind, z.B. die in der englischen Patentschrift GB P 1.111.492 beschriebenen Silbersalze von aliphatischen Carbonsäuren mit einer Thioäther- gruopierung oder Silbersalze von langkettigen Fettsäuren
wie Silberbehenat, Silberpalmitat oder Silberstearat.Silver compounds which have largely proven to be useful are those which are largely insensitive to light under the conditions of the process, for example the silver salts of aliphatic carboxylic acids with a thioether group or silver salts of long-chain fatty acids described in British Patent Specification GB P 1,111,492 such as silver behenate, silver palmitate or silver stearate.
Die Verwendung von Silberbehenat und Silberstearat ist vorzuziehen, da sie zusammen mit freier Behensäure. bzw. Stearinsäure, die Feuchtigkeitsbeständigkeitder Bildempfangsschicht erhöhen.The use of silver behenate and silver stearate is preferable because it is combined with free behenic acid. and stearic acid, respectively, increase the moisture resistance of the image-receiving layer.
Zu reduzierenden Verbindungen, die sich zur thermisch initiierten Reduktion dieser Silbersalze als geeignet erwiesen haben, gehören z.B. Pyrogallol, 4-Stearoyl- pyrogallol, Galloacetophenon, Di-tert .-butyl-pyrogallol, Butylgallat, Dodecylgallat, Gallussäure, Ammoniumgallat, 2,5- Dihydroxy-benzoesäure, α - und β - Naphthole, 1-Hydroxy- naphthoesäure- (2), Phloroglucinol, Brenzcatechin, Hydro- chinon, l-Phenyl-pyrazolidin-3-on, 4,4 ' -Dihydroxybiphenyl, l-Hydroxy-4-methoxy-naphthalin, l-Hydroxy-4-methoxy-dihydro- naphthalin, o- und p-Phenylendiamin und Acetoacetonitril- Derivate, z.B. gemäss US-Patentschrift 3 619 239 oder deutscher Offenlegungschrift 2 010 837.Reducing compounds which have proven suitable for the thermally initiated reduction of these silver salts include e.g. Pyrogallol, 4-stearoyl-pyrogallol, galloacetophenone, di-tert-butyl-pyrogallol, butyl gallate, dodecyl gallate, gallic acid, ammonium gallate, 2,5-dihydroxy-benzoic acid, α- and β-naphthols, 1-hydroxy-naphthoic acid- (2 ), Phloroglucinol, pyrocatechol, hydroquinone, l-phenyl-pyrazolidin-3-one, 4,4'-dihydroxybiphenyl, l-hydroxy-4-methoxy-naphthalene, l-hydroxy-4-methoxy-dihydro-naphthalene, o - and p-phenylenediamine and acetoacetonitrile derivatives, e.g. in accordance with US Patent 3,619,239 or German Laid-Open Publication 2 010 837.
Andere Reduktionsmittel, die sich zur Verwendung bei höherer Temperatur eignen, sind Pyrazolin-5-on-Verbin- dungen mit zumindest einem Wasserstoffatom in der 4-Stellung, Geeignete Verbindungen der letztgenannten Art sind in der deutschen Offenlegungsschrift 2 117 053 beschrieben.Other reducing agents which are suitable for use at higher temperatures are pyrazolin-5-one compounds with at least one hydrogen atom in the 4-position. Suitable compounds of the latter type are described in German Offenlegungsschrift No. 2,117,053.
Wie aus der vorstehenden Aufzählung zu ersehen ist, handelt es sich bei diesen reduzierenden Verbindungen um organische Verbindungen, bei denen ein aktives Wasserstoffatom an ein Kohlenstoff-, Sauerstoff- oder Stickstoffatom gebunden ist, das seinerseits an ein Atom eines aromatischen oder Heterocyclischen Ringes gebunden oder im Falle des Stickstoffatoms auch Bestandteil eines heterocyclischen Ringes sein kann.As can be seen from the above list, these reducing compounds are organic compounds in which an active hydrogen atom is bonded to a carbon, oxygen or nitrogen atom, which in turn is bonded to an atom of an aromatic or heterocyclic ring or in If the nitrogen atom can also be part of a heterocyclic ring.
Verbindungen, die zur Photo-Desaktivierung dieser reduzierenden Verbindungen beitragen können, sind z.B. in der -britischen Patentschrift 1 002 350 beschrieben. Besonders gut geeignet sind halogenhaltige Fluoreszein- Farbstoffe, wie z.B. Erythrosin und die in den deutschen
Patentanmeldungen P 20 42 654.6, 20 42 531.4, 20 42 663.5 und 21.06 577.0 beschriebenen Farbstoffe.Compounds that can contribute to the photo-deactivation of these reducing compounds are described, for example, in British Patent 1 002 350. Halogen-containing fluorescein dyes, such as erythrosin and those in the German, are particularly suitable Patent applications P 20 42 654.6, 20 42 531.4, 20 42 663.5 and 21.06 577.0 described dyes.
Zusätzlich zu den oben angegebenen Reduktions- mittlen können Verbindungen zur Anwendung kommen, die als Hilfs-Reduktionsmittel wirken.In addition to the reducing agents mentioned above, compounds which act as auxiliary reducing agents can be used.
Beispiele für derartige Verbindungen sind Phenole mit sterischer Hinderung, die beim Erhitzen aktiv an der Reduktionsreaktion teilnehmen, wie 2,6-Di-tert.-butyl-4- methyl-phenol oder 2,6-Dicyclohexyl-p-cresol.Examples of such compounds are phenols with steric hindrance which actively participate in the reduction reaction when heated, such as 2,6-di-tert-butyl-4-methylphenol or 2,6-dicyclohexyl-p-cresol.
Ferner kann der Bildton und die Bildichte des Beildempfangsmaterials durch bestimmte Metallsalze, z.B. Blei-II-Stearat verbessert werden. Derartige Metallionen- Bildverstärker und ihre Anwendung sind in der deutschen Auslegeschrift 1 572 209 beschrieben.Furthermore, the image tone and the image density of the image receiving material can be determined by certain metal salts, e.g. Lead II stearate can be improved. Such metal ion image intensifiers and their application are described in German Patent Specification 1,572,209.
Als Bindemittel für die lichtempfindliche Schicht bzw. für die BildempfangsSchicht sind die üblichen natürlichen oder synthetischen filmbildenden Polymeren geeignet, z.B. Proteine, insbesondere Gelatine, Cellulosederivate, insbesondere Celluloseäther, Celluloseester oder Cärboxy- methylcellulose, Alginsäure und Derivate davon, Stärkeäther oder Gallactomannan, ferner Polyvinylalkohol, Polyvinyl- pyrrolidon, Polyvinylchlorid, Copolymerisate von Vinyl- chlorid und Vinylacetat, Polyvinylacetat oder ganz oder teilweise verseiftes Polyvinylacetat bzw. Copolymerisate von Vinyl- acetat, Mischpolymerisate des Acrylnitrils und Acrylamids, Polyacrylsäureester, Polymethacrylsäureester, Polyäthylen u.a.The usual natural or synthetic film-forming polymers are suitable as binders for the light-sensitive layer or for the image-receiving layer, e.g. Proteins, in particular gelatin, cellulose derivatives, in particular cellulose ethers, cellulose esters or carboxymethyl cellulose, alginic acid and derivatives thereof, starch ether or gallactomannan, furthermore polyvinyl alcohol, polyvinyl pyrrolidone, polyvinyl chloride, copolymers of vinyl chloride and vinyl acetate, polyvinyl acetate or completely or partially saponified or polyvinyl Copolymers of vinyl acetate, copolymers of acrylonitrile and acrylamide, polyacrylic acid esters, polymethacrylic acid esters, polyethylene and others
Die Schichten können als selbsttragende Schichten angewendet werden oder auf einen Schichtträger auf getragen werden. Geeignete Schichtträger sind z.B. Papier, insbesondere barytiertes oder kaschiertes Papier, Celluloseester, z.B. Cellulosetriacetat, Polyester, insbesondere auf der Basis von Aethylenterephthalat, Glas usw.The layers can be used as self-supporting layers or applied to a layer support. Suitable supports are e.g. Paper, especially baryta or laminated paper, cellulose esters, e.g. Cellulose triacetate, polyester, in particular based on ethylene terephthalate, glass, etc.
Bei der Auswahl der Bindemittel für die lichtempfindliche Schicht und die Bildempfangsschicht ist darauf zu achten, dass in der Wärme die Schichten nicht kleben.
Diese Schwierigkeiten sind jedoch von anderen bekannten Verfahren, z.B. dem Silbersalzdiffusionsverfahren oder Wärmeentwicklungsverfahren, bekannt und unter Ausnutzung der Erfahrung auf diesen bekannten Gebieten ohne weiteres zu lösen.When selecting the binders for the light-sensitive layer and the image-receiving layer, care must be taken to ensure that the layers do not stick in the heat. However, these difficulties are known from other known processes, for example the silver salt diffusion process or heat development process, and can easily be solved using the experience in these known fields.
Die Schichten können auch Weisspigmente, wie Zinkoxyd, Siliciumdioxyd oder Titandioxyd als Füllstoffe, zur Verbesserung der Weissen und zur Beeinflussung der Klebeeignung der Schichten enthalten. Derartige Schichten sind in den US-Patentschriften 3 074 809 und 3 107 174 beschrieben.The layers can also contain white pigments, such as zinc oxide, silicon dioxide or titanium dioxide as fillers, to improve the whiteness and to influence the adhesiveness of the layers. Such layers are described in U.S. Patents 3,074,809 and 3,107,174.
In Abwesenheit eines Bindemittels können die Reaktionsteilnehmer auch in eine faserige Bahn eingebracht werden. Um angestrebte Spezialeffekte zu erhalten, können Pigmente, Füllstoffe, schmelzbare Substanzen, wie z.B. Wachse, Farbstoffe und verschiedene andere Zusätze einverleibt werden.In the absence of a binder, the reactants can also be placed in a fibrous web. To obtain the desired special effects, pigments, fillers, fusible substances such as Waxes, dyes and various other additives can be incorporated.
Das Silbersalz und der Toner werden vorzugsweise vor dem Vergiessen miteinander vermischt. Sie können jedoch auch getrennt in benachbarten Schichten aufgebracht werden, aus denen der Toner - z.B. beim Erhitzen der Trägerfolie - zum Metallsalz diffundieren kann. Zur Belichtung der lichtempfindlichen Schichten können die in der Reproduktionstechnik üblichen Lichtquellen, wie Halogenlampen, Jodquarzlampen oder Glühlampen verwendet werden. Die spektrale Empfindlichkeit des lichtempfindlichen Materials hängt von der Natur der Verwendeten SensibilIsatorfarbstoffe ab.The silver salt and the toner are preferably mixed together before pouring. However, they can also be applied separately in adjacent layers from which the toner - e.g. when heating the carrier film - can diffuse to the metal salt. The light sources customary in reproduction technology, such as halogen lamps, iodine quartz lamps or incandescent lamps, can be used to expose the light-sensitive layers. The spectral sensitivity of the light-sensitive material depends on the nature of the sensitizer dyes used.
Die Ueberführung der bilderzeugenden Verbindungen von den unbelichteten Stellen der lichtempfindlichen Schichten in die Bildempfangsschicht geschieht in der Wärme bei Temperaturen zwischen 8θ und 200°C. Die Erwärmung kann erfolgen z.B. durch Führung der belichteten Lichtempfindlichen Schicht in Kontakt mit der Bildempfangsschicht über heisse Platten oder Walzen oder auch durch Bestrahlung mit UR-Licht. Die güngstigste Temperatur und Erwärmungszeit hängt selbstverständlich von der Natur der bilderzeugenden Verbindung
bzw. der Zusammensetzung des lichtunempfindlichen silbersal haltigen Kopiermaterials ab; sie kann durch wenige einfache Versuche ermittelt werden.
The transfer of the image-forming compounds from the unexposed areas of the light-sensitive layers into the image-receiving layer takes place in the heat at temperatures between 8θ and 200 ° C. The heating can take place, for example, by guiding the exposed light-sensitive layer in contact with the image-receiving layer over hot plates or rollers or by irradiation with UR light. The most favorable temperature and heating time naturally depend on the nature of the image-forming compound or the composition of the light-insensitive silver-containing copying material; it can be determined by a few simple experiments.
Beispielexample
A. Herstellung des lichtempfindlichen Materials Ein Transparentpapier wird in einer Menge von 25 g/m2 mit der folgenden Mischung beschichtetA. Preparation of the Photosensitive Material A transparent paper is coated in an amount of 25 g / m 2 with the following mixture
(p-Chlorphenyl)-acetoacetonitrile 1,0 g(p-chlorophenyl) acetoacetonitrile 1.0 g
Erythrosin 440 mgErythrosin 440 mg
Aethylcellulose 50,0 gEthyl cellulose 50.0 g
Methyläthylketon 500 g anschliessend wie üblich trocknenThen dry methyl ethyl ketone 500 g as usual
B. Herstellung des BildempfangsmaterialsB. Preparation of Image Receiving Material
Aethylacetat 40 gEthyl acetate 40 g
Stearinsäure 4 gStearic acid 4 g
Silberstearat 5 gSilver stearate 5 g
Zn-Palmitat 2 gZn palmitate 2 g
Polyäthylacrylat 5 gPolyethyl acrylate 5 g
Phtalazinon 1 gPhtalazinone 1 g
Diese Mischung wird 24 h in einer Kugelmühle gemahlen. Zu dieser gemahlenen Masse werden vor dem Vergiessen zugebenThis mixture is ground in a ball mill for 24 h. Add to this ground mass before pouring
Aceton 20 gAcetone 20 g
2,6 Di-cyclohexyl-p-Kreεol 1 g2.6 di-cyclohexyl-p-creole 1 g
Die gebrauchsfertige Mischung wird dann in einer Menge vvoonn 115500 gg/m2 aug einen Papierträger gegossen und getrocknet.The ready-to-use mixture is then poured onto a paper carrier in an amount of 115500 gg / m 2 and dried.
Verarbeitung : Die lichtempfindliche Schicht wird bild massig belichtet. Die Belichtung dauert 30 Sekunden und wird mit einer Wolframfadenlampe von 1500 Watt durchgeführt, die in einem Abstand von 5 cm vom licht empfindlichen Material angebracht ist.
Anschliessend wird die belichtete Schicht bei 125ºC 5 Sek. lang mit der Bildempfangsschicht in Kontakt gebracht. Es werden tief schwarze Bilder mit hoher Dichte erhalten.Processing: The light-sensitive layer is exposed to massive amounts of image. The exposure lasts 30 seconds and is carried out with a tungsten filament lamp of 1500 watts, which is attached at a distance of 5 cm from the light-sensitive material. The exposed layer is then brought into contact with the image-receiving layer at 125 ° C for 5 seconds. Deep black, high density images are obtained.
Unkopiertes Bildempfangsmaterial wird nun bei 50% rel.Uncopied image receiving material is now at 50% rel.
Feuchte und 20ºC gelagert und alle 2 Wochen eine Kopie hergestellt.
Moisture and 20ºC stored and a copy made every 2 weeks.
a) Das lichtempfindliche Material wird wie oben hergestellt,a) The light-sensitive material is produced as above,
b) Das Bildempfangsmaterial wird wie oben hergestellt, vor dem Vergiessen werden jedoch noch 1 g Benzoesäure zugegeben.b) The image-receiving material is produced as above, but 1 g of benzoic acid is added before pouring.
Verarbeitung und Lagerung wie oben.Processing and storage as above.
Ergebnisse :Results :
Aus diesem Resultat ist der Stabilisierungseffekt der Benzoesäure deutlich erkennbar. Durch Wahl der geeignetsten Säure und der optimalsten Menge können diese Resultate noch erheblich verbessert werden.
The stabilizing effect of benzoic acid can be clearly recognized from this result. By choosing the most suitable acid and the optimal amount, these results can be significantly improved.
Claims
1. Bildempfangsmaterial für die Herstellung von photographisehen Kopien auf trockenem Wege mit einer Schicht, die ein lichtunempfindliches Silbersalz und einen! Toner enthält, dadurch gekennzeichnet, dass diese Schicht eine Verbindung der Formel1. Image-receiving material for the production of photographic copies in a dry way with a layer containing a light-insensitive silver salt and a! Contains toner, characterized in that this layer is a compound of the formula
enthält, worin jeder Substituent R1 -R5 je für sich Alkyl, Aryl, Carboxy, Wasserstoff oder Alkoxy bedeutet.contains, wherein each substituent R 1 -R 5 each represents alkyl, aryl, carboxy, hydrogen or alkoxy.
2. Bildempfangsmaterial nach Anspruch 1, dadurch gekennzeichnet, dass es ein Silbersalz einer langkettigen Fettsäure mit mindestens 14 C-Atomen enthält.2. Image-receiving material according to claim 1, characterized in that it contains a silver salt of a long-chain fatty acid with at least 14 carbon atoms.
3. Bildempfangsmaterial nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es zusätzlich ein sterisch gehindertes Phenol enthält.3. Image receiving material according to claim 1 or 2, characterized in that it additionally contains a sterically hindered phenol.
4. Bildempfangsmaterial nach einem der Ansprüche4. Image receiving material according to one of the claims
1-3, dadurch gekennzeichnet, dass R1 -R5 Wasserstoffatome darstellen. 1-3, characterized in that R 1 -R 5 represent hydrogen atoms.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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AU63352/80A AU6335280A (en) | 1979-09-28 | 1980-09-26 | Material for obtaining photographic prints by dry process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CH8727/79 | 1979-09-28 | ||
CH872779 | 1979-09-28 |
Publications (1)
Publication Number | Publication Date |
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WO1981000919A1 true WO1981000919A1 (en) | 1981-04-02 |
Family
ID=4344028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1980/000110 WO1981000919A1 (en) | 1979-09-28 | 1980-09-26 | Material for obtaining photographic prints by dry process |
Country Status (2)
Country | Link |
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EP (1) | EP0039336A1 (en) |
WO (1) | WO1981000919A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1161777A (en) * | 1966-02-21 | 1969-08-20 | Fuji Photo Film Co Ltd | Thermally Developable Light-sensitive Elements |
FR2084347A5 (en) * | 1970-03-09 | 1971-12-17 | Eastman Kodak Co | Fog inhibitors for silver halide emulsions - contg free acid groups |
DE2703378A1 (en) * | 1976-01-30 | 1977-08-04 | Trans World Techn Labor Inc | ACID DONOR SHEET FOR THERMOGRAPHIC RECORDING PROCEDURES AND ITS USE FOR THE PRODUCTION OF PICTURES |
DE2815110A1 (en) * | 1977-04-08 | 1978-10-26 | Fuji Photo Film Co Ltd | THERMAL DEVELOPMENT LIGHT SENSITIVE MATERIAL |
-
1980
- 1980-09-26 WO PCT/CH1980/000110 patent/WO1981000919A1/en unknown
- 1980-09-26 EP EP19800901787 patent/EP0039336A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1161777A (en) * | 1966-02-21 | 1969-08-20 | Fuji Photo Film Co Ltd | Thermally Developable Light-sensitive Elements |
FR2084347A5 (en) * | 1970-03-09 | 1971-12-17 | Eastman Kodak Co | Fog inhibitors for silver halide emulsions - contg free acid groups |
DE2703378A1 (en) * | 1976-01-30 | 1977-08-04 | Trans World Techn Labor Inc | ACID DONOR SHEET FOR THERMOGRAPHIC RECORDING PROCEDURES AND ITS USE FOR THE PRODUCTION OF PICTURES |
DE2815110A1 (en) * | 1977-04-08 | 1978-10-26 | Fuji Photo Film Co Ltd | THERMAL DEVELOPMENT LIGHT SENSITIVE MATERIAL |
Non-Patent Citations (1)
Title |
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Research Disclosure, Nr. 177, Januar 1974 (Industrial Opportunities, Havant, Hants) "Photothermographic Materials", siehe Seiten 20-21, disclosure 11723 siehe das ganze Dokument. * |
Also Published As
Publication number | Publication date |
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EP0039336A1 (en) | 1981-11-11 |
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