EP0652476B1 - Bleichmittel - Google Patents
Bleichmittel Download PDFInfo
- Publication number
- EP0652476B1 EP0652476B1 EP94116722A EP94116722A EP0652476B1 EP 0652476 B1 EP0652476 B1 EP 0652476B1 EP 94116722 A EP94116722 A EP 94116722A EP 94116722 A EP94116722 A EP 94116722A EP 0652476 B1 EP0652476 B1 EP 0652476B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bleaching
- layer
- mol
- bleach
- iron
- 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
Links
- 239000007844 bleaching agent Substances 0.000 title description 17
- 238000004061 bleaching Methods 0.000 claims description 40
- 239000008139 complexing agent Substances 0.000 claims description 22
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical class [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 12
- 238000011161 development Methods 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 41
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 25
- 229910052709 silver Inorganic materials 0.000 description 25
- 239000004332 silver Substances 0.000 description 25
- -1 silver halide Chemical class 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 20
- 108010010803 Gelatin Proteins 0.000 description 18
- 229920000159 gelatin Polymers 0.000 description 18
- 239000008273 gelatin Substances 0.000 description 18
- 235000019322 gelatine Nutrition 0.000 description 18
- 235000011852 gelatine desserts Nutrition 0.000 description 18
- 239000000463 material Substances 0.000 description 15
- XNCSCQSQSGDGES-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]propyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)C(C)CN(CC(O)=O)CC(O)=O XNCSCQSQSGDGES-UHFFFAOYSA-N 0.000 description 14
- 101710134784 Agnoprotein Proteins 0.000 description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 11
- 239000000839 emulsion Substances 0.000 description 9
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 8
- 150000001768 cations Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 229960003330 pentetic acid Drugs 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- NABFRHBCIHEYTA-UHFFFAOYSA-N 2,5-bis(6-methylheptyl)benzene-1,4-diol Chemical compound CC(C)CCCCCC1=CC(O)=C(CCCCCC(C)C)C=C1O NABFRHBCIHEYTA-UHFFFAOYSA-N 0.000 description 3
- 0 CC1(C)C(C)=C(*)CC(**)C1O Chemical compound CC1(C)C(C)=C(*)CC(**)C1O 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229940125904 compound 1 Drugs 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 150000004698 iron complex Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 3
- QVLXDGDLLZYJAM-UHFFFAOYSA-N 2,5-dioctylbenzene-1,4-diol Chemical compound CCCCCCCCC1=CC(O)=C(CCCCCCCC)C=C1O QVLXDGDLLZYJAM-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000002253 acid Substances 0.000 description 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 2
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229960004585 etidronic acid Drugs 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- GTOOAPLRWMOITA-UHFFFAOYSA-N 2-(4-amino-n-ethyl-3-methylanilino)ethyl hydrogen sulfate Chemical compound OS(=O)(=O)OCCN(CC)C1=CC=C(N)C(C)=C1 GTOOAPLRWMOITA-UHFFFAOYSA-N 0.000 description 1
- JVXHQHGWBAHSSF-UHFFFAOYSA-L 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;iron(2+) Chemical compound [H+].[H+].[Fe+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JVXHQHGWBAHSSF-UHFFFAOYSA-L 0.000 description 1
- ZNBNBTIDJSKEAM-UHFFFAOYSA-N 4-[7-hydroxy-2-[5-[5-[6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]-5-methyloxolan-2-yl]-2,8-dimethyl-1,10-dioxaspiro[4.5]decan-9-yl]-2-methyl-3-propanoyloxypentanoic acid Chemical compound C1C(O)C(C)C(C(C)C(OC(=O)CC)C(C)C(O)=O)OC11OC(C)(C2OC(C)(CC2)C2C(CC(O2)C2C(CC(C)C(O)(CO)O2)C)C)CC1 ZNBNBTIDJSKEAM-UHFFFAOYSA-N 0.000 description 1
- INVVMIXYILXINW-UHFFFAOYSA-N 5-methyl-1h-[1,2,4]triazolo[1,5-a]pyrimidin-7-one Chemical compound CC1=CC(=O)N2NC=NC2=N1 INVVMIXYILXINW-UHFFFAOYSA-N 0.000 description 1
- CSGQJHQYWJLPKY-UHFFFAOYSA-N CITRAZINIC ACID Chemical compound OC(=O)C=1C=C(O)NC(=O)C=1 CSGQJHQYWJLPKY-UHFFFAOYSA-N 0.000 description 1
- AWNUPELJYQWHJU-UHFFFAOYSA-N COCC1C=CC(S(=O)=O)=CC1 Chemical compound COCC1C=CC(S(=O)=O)=CC1 AWNUPELJYQWHJU-UHFFFAOYSA-N 0.000 description 1
- ZJTLZYDQJHKRMQ-UHFFFAOYSA-N Cc(cc(c1c2cccc1)O)c2O Chemical compound Cc(cc(c1c2cccc1)O)c2O ZJTLZYDQJHKRMQ-UHFFFAOYSA-N 0.000 description 1
- YQFYJSJNLQCKRO-UHFFFAOYSA-N Cc(cc1)ccc1N=N Chemical compound Cc(cc1)ccc1N=N YQFYJSJNLQCKRO-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Cc1ccccc1 Chemical compound Cc1ccccc1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 229920001174 Diethylhydroxylamine Polymers 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- FVCOIAYSJZGECG-UHFFFAOYSA-N diethylhydroxylamine Chemical compound CCN(O)CC FVCOIAYSJZGECG-UHFFFAOYSA-N 0.000 description 1
- 229910000378 hydroxylammonium sulfate Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004876 x-ray fluorescence Methods 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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/42—Bleach-fixing or agents therefor ; Desilvering processes
Definitions
- the invention relates to a bleaching agent for silver halide photographic materials.
- Requirements 1 to 4 are technical, requirements 5 to 7 ecological Requirements.
- iron (III) complexes of aminopolycarboxylic acids are usually used as bleaching agents used, for example ethylenediaminetetraacetic acid (EDTA), Propylenediaminetetraacetic acid (PDTA), diethylenetriaminepentaacetic acid (DTPA) or nitrilodysigmonopropionic acid (ADA). None of these connections are met all demands made.
- EDTA ethylenediaminetetraacetic acid
- PDTA Propylenediaminetetraacetic acid
- DTPA diethylenetriaminepentaacetic acid
- ADA nitrilodysigmonopropionic acid
- the object of the invention was therefore to provide bleaching agents in their Properties exceed the previously known bleaching agents.
- the compounds can also be used as metal salts, especially alkali metal salts available.
- Another object of the invention are photographic processing baths with bleaching effect characterized by an effective content of iron (III) complex with complexing agent of formula (I).
- the bleaching baths are bleaching baths or bleach-fix baths.
- Bleaching baths usually also contain a rehabilitation agent, e.g. a soluble Chloride, bromide or iodide as well as other usual components;
- Bleach-fix baths usually also contain a silver halide solvent, e.g. a thiosulfate.
- Bleaching and bleach-fixing baths usually contain an excess of free Complexing agent containing 1 to 120 mol%, preferably 5 to 20 mol%, based on the iron complex or the iron complex salt.
- the iron (III) complexes according to the invention are effective at least Contain 20 mol%, preferably at least 80 mol%. The remaining at most 80 mol%, preferably at most 20 mol%, iron (III) complexes with known complexing agents such as EDTA, PDTA, DTPA or ADA be. Only the iron (III) complexes according to the invention are preferably used.
- Iron complexes are included in the photographic processing baths bleaching effect used in particular 0.005 to 1.2 mol / l.
- Another object of the invention is a photographic Processing methods with at least the Steps (a) color development and (b) bleaching and Fixing or bleach fixing, characterized in that that a processing bath according to the invention with bleaching Effect used for bleaching or bleach-fixing becomes.
- the processing method can be under permanent Perform regeneration of the processing baths continuously.
- the bleaching bath the washing bath or the Stop bath substances are added which are the oxidation product intercept from imported developer solution, e.g. Sulfite, citrazinic acid, white coupler or Couplers that are unstable or easily water-soluble dyes form.
- imported developer solution e.g. Sulfite, citrazinic acid, white coupler or Couplers that are unstable or easily water-soluble dyes form.
- the baths according to the invention with a bleaching effect are particularly suitable for color photographic silver halide recording materials, their silver halide emulsions predominantly from AgBr, AgBrI, AgBrCl or AgCl exist.
- the bleaching and bleach-fixing baths listed in the examples were determined on their bleaching behavior (residual silver in the processed material). This was the X-ray fluorescence analysis applied.
- a color photographic recording material was produced by applying the following layers in the order given to a support on paper coated on both sides with polyethylene. The quantities given relate to 1 m 2 . The corresponding amounts of AgNO 3 are given for the silver halide application.
- 1st layer (substrate layer): 0.2 g gelatin 2nd layer (blue-sensitive layer): Blue-sensitive silver halide emulsion (99.5 mol% chloride, 0.5 mol% bromide, average grain diameter 0.8 ⁇ m) from 0.63 g AgNO 3 with 1.38 g gelatin 0.95 g Yellow coupler Y 0.29 g Tricresyl phosphate (CPM) 3rd layer (protective layer) 1.1 g gelatin 0.06 g 2,5-dioctyl hydroquinone 0.06 g Dibutyl phthalate (DBP) 4th layer (green-sensitive layer) green-sensitized silver halide emulsion (99.5 mol% chloride, 0.5 mol% bromide, average grain diameter 0.6 ⁇ m) from 0.45 g AgNO 3 with 1.08 g gelatin 0.41 g Purple coupler M 0.08 g 2,5-dioctyl hydroquinone 0.34 g DBP 0.04
- a step wedge was exposed on the photographic material described above and processed as follows: Develop 45s 35 ° C Water 22s ⁇ 20 ° C bleaching 90s 35 ° C Water 45s 30 ° C Fix 45s 35 ° C Water dry 90s approx. 30 ° C
- the individual processing baths had the following composition: Developer: water 900 ml Ethylenediaminetetraacetic acid (EDTA) 2 g Hydroxyethane diphosphonic acid (HEDP) 60 wt .-% 0.5 ml Sodium chloride 2 g N, N-diethylhydroxylamine, 85% by weight 5 ml 4- (N-ethyl-N-2-methanesulfonylaminoethyl) -2-methylphenylenediamine sesquisulfate monohydrate (CD3), 50% by weight 8 ml Potassium carbonate 25 g Adjust pH to 10 with KOH or H 2 SO 4 . Make up to 1 liter with water.
- Table 1 shows that only the iron (III) complex of the invention Compound the bleaching effect of the common EDTA iron complex reached. EDTA is however, it is very difficult to biodegrade.
- Example 1 was repeated, the steps of bleaching and Fixing but replaced by bleach fixing. The washing steps before bleaching and between bleaching and Fixing was eliminated.
- the bleach-fix bath had the following composition: water 600 ml Iron (III) complex with complex formers according to Table 3 0.25 mol Complexing agent according to Table 3 0.025 mol (NH 4 ) 2 s 2 O 3 100 g Na 2 SO 3 25 g Ammonia, 25% by weight approx. 50 ml Water on 1000 ml pH 5.5
- Compound 1 is superior to the common EDTA. At EDTA already exists with a slight drop in pH (from 6 to 5.5) the risk of leucocyanin formation, i.e. the loss of blue-green density.
- the quantities given relate to 1 m 2 .
- the equivalent amounts of AgNO 3 are given for the silver halide application.
- a step wedge was exposed on the photographic material described above and processed as follows: developer 3 min 15 s 37.8 ° C Bleach bath 4 min 20 s 38 ° C Watering 1 min 5 s 38 ° C Fixer 4 min 20 s 38 ° C Watering 3 min 15 s 38 ° C Final bath 1 min 5 s 38 ° C
- the processing baths had the following composition: Developer: water 800 ml Potassium carbonate 37.5 g Sodium sulfite 4.25 g Potassium iodide 1.2 mg Sodium bromide 1.3 g Hydroxylamine sulfate 2.0 g Diethylenetriaminepentaacetic acid 4- (N-ethyl-N- ⁇ -hydroxyethyl- 2.0 g amino) -2-methylaniline sulfate 4.75 g make up to 1 liter with water pH 10.0 Bleach bath water 600 ml Iron (III) complex with complexing agent according to Table 4 0.27 mol free complexing agent 0.03 mol Ammonium bromide 1.5 mol Ammonium nitrate 0.2 mol adjust to pH 4.2 with ammonia or acetic acid, make up to 1 liter with water Fixer water 800 ml Ammonium thiosulfate solution (58% by weight) 162 ml Ethylenediaminetetraacetic acid 1.3 g Sodium disulfit
- connection 1 does not generate any interference Bleach veil and a lower veil than EDTA and PDTA. Due to the high residual silver were at Tests 4.4 and 4.5 did not test any fog values.
- Example 4 is repeated, the pH of the Bleaching solution as shown in Table 5 varies becomes.
- the leucocyan formation is determined by the Difference in the maximum cyan density of the tabular
- the cyan dye is with the iron complex compound 1 according to the invention is substantially more stable at lower pH.
- ammonium-free complexing agents of the invention are equal to ammonium-free PDTA bleaching bath, but have the advantage of better biodegradability. This also applies to the EDTA bleach baths, which are from the bleaching complexes according to the invention in the bleaching action be far surpassed.
- Example 4 was repeated, but the bleaching bath and fixing bath were replaced by a bleach-fixing bath (6 min, 38 ° C.). There was no watering between bleaching and fixing.
- the iron complex of compound 1 according to the invention shows even in the absence of the ecologically undesirable Excellent bleaching effect with ammonium ions.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Description
- m und n
- eine Zahl 1 bis 4
- Y2
- OH oder NH2 und
- R6
- eine gegebenenfalls durch Phenyl, Hydroxy oder C1-C4-Alkoxy substituierte CH3-Gruppe bedeuten.
1. Schicht (Substratschicht): | |
0,2 g | Gelatine |
2. Schicht (blauempfindliche Schicht): blauempfindliche Silberhalogenidemulsion (99,5 Mol-% Chlorid, 0,5 Mol -% Bromid, mittlerer Korndurchmesser 0,8 µm) aus 0,63 g AgNO3 mit |
|
1,38 g | Gelatine |
0,95 g | Gelbkuppler Y |
0,29 g | Trikresylphosphat (TKP) |
3. Schicht (Schutzschicht) | |
1,1 g | Gelatine |
0,06 g | 2,5-Dioctylhydrochinon |
0,06 g | Dibutylphthalat (DBP) |
4. Schicht (grünempfindliche Schicht) grünsensibilisierte Silberhalogenidemulsion (99,5 Mol-% Chlorid, 0,5 Mol-% Bromid, mittlerer Korndurchmesser 0,6 µm) aus 0,45 g AgNO3 mit | |
1,08 g | Gelatine |
0,41 g | Purpurkuppler M |
0,08 g | 2,5-Dioctylhydrochinon |
0,34 g | DBP |
0,04 g | TKP |
6. Schicht (rotempfindliche Schicht) rotsensibilisierte Silberhalogenidemulsion (99,5 Mol-% Chlorid, 0,5 Mol-% Bromid, mittlerer Korndurchmesser 0,5 µm) aus 0,3 g AgNO3 mit | |
0,75 g | Gelatine |
0,36 g | Blaugrünkuppler C |
0,36 g | TKP |
7. Schicht (UV-Schutzschicht) | |
0,35 g | Gelatine |
0,15 g | UV-Absorber gemäß 5. Schicht |
0,2 g | TKP |
Entwickeln | 45s | 35°C |
Wässern | 22s | < 20°C |
Bleichen | 90s | 35°C |
Wässern | 45s | 30°C |
Fixieren | 45s | 35°C |
Wässern Trocknen | 90s | ca. 30°C |
Entwickler: | |
Wasser | 900 ml |
Ethylendiamintetraessigsäure (EDTA) | 2 g |
Hydroxyethandiphosphonsäure (HEDP) 60 gew.-%ig | 0,5 ml |
Natriumchlorid | 2 g |
N,N-Diethylhydroxylamin, 85 gew.-%ig | 5 ml |
4-(N-Ethyl-N-2-methansulfonylaminoethyl)-2-methylphenylendiamin-sesquisulfatmonohydrat (CD3), 50 gew.-%ig | 8 ml |
Kaliumcarbonat | 25 g |
Mit Wasser auf 1 Liter auffüllen.
Bleichbad | |
Wasser | 800 ml |
Eisen(III)-komplex mit Komplex- | |
bildner gemäß Tabelle 1 | 0,125 mol |
Komplexbildner gemäß Tabelle 1 | 0,013 mol |
Ammoniak, 25 Gew.-% | ca. 30 ml |
Ammoniumbromid | 0,51 mol |
mit Wasser auffüllen auf 1 Liter | |
pH | 4,0 |
Fixierbad | |
Wasser | 900 ml |
Natriumsulfit | 10 g |
Ammoniumthiosulfat | 100 g |
Versuch | Komplexbildner | Restsilber (g/m2 ) | Bemerkung |
1.1 | EDTA | 0,02 | Referenz |
1.2 | PDTA | 0,12 | Vergleich |
1.3 | NTA | 0,22 | Vergleich |
1.4 | ISDA | 0,30 | Vergleich |
1.5 | HEIDA | 0,19 | Vergleich |
1.6 | Verbindung 1 | 0,04 | Erfindung |
Versuch | Komplex-bildner | Kation | Restsilber (g/m2 ) | Bemerkung |
2.1 | EDTA | NH4 ⊕ | 0,02 | Referenz |
2.2 | EDTA | Na⊕ | 0,05 | Vergleich |
2.3 | EDTA | K⊕ | 0,04 | Vergleich |
2.4 | PDTA | NH4 ⊕ | 0,12 | Vergleich |
2.5 | PDTA | K⊕ | 0,20 | Vergleich |
2.6 | Verbindung 1 | NH4 ⊕ | 0,04 | Erfindung |
2.7 | Verbindung 1 | Na⊕ | 0,07 | Erfindung |
2.8 | Verbindung 1 | K⊕ | 0,04 | Erfindung |
Wasser | 600 ml |
Eisen(III)-kompiex mit Komplex- | |
bildner gemäß Tabelle 3 | 0,25 mol |
Komplexbildner gemäß Tabelle 3 | 0,025 mol |
(NH4)2s2O3 | 100 g |
Na2SO3 | 25 g |
Ammoniak, 25 Gew.-% | ca. 50 ml |
Wasser auf | 1000 ml |
pH | 5,5 |
Probe | Komplexbildner | Restsilber (g/m2 ) | Bemerkung |
3.1 | EDTA | 0,025 | Referenz, kein Leucocyan |
3.2 | EDTA | 0,025 | Vergleich, Leucocyan-bildung |
3.3 | Verbindung 1 | 0,010 | Erfindung, kein Leucocyan |
1. Schicht: (Antihalo-Schicht) | |
0,2 g | schwarzes kolloidales Silber |
1,2 g | Gelatine |
0,1 g | UV-Absorber UV 1 |
0,2 g | UV-Absorber UV 2 |
0,02 g | Trikresylphosphat |
0,03 g | Dibutylphthalat |
2. Schicht: (Mikrat-Zwischenschicht) | |
0,25 g | AgNO3 einer Mikrat-Ag (Br,J)-Emulsion: mittlerer Korn-ø = 0,07 µm, 0,5 Mol-% Iodid |
1,0 g | Gelatine |
0,05 g | farbiger Kuppler RM 1 |
0,10 g | Trikresylphosphat |
3. Schicht: (niedrig empfindlich rotsensibilisierte Schicht) | |
2,2 g | AgNO3, 4 Mol-% Iodid, mittlerer Korndurchmes-ser 0,45 µm, rotsensibilisiert |
2,0 g | Gelatine |
0,6 g | farbloser Blaugrünkuppler C 1 emulgiert in 0,5 g Trikresylphosphat (TKP) |
50 mg | farbiger Blaugrünkuppler RM 1 und |
30 mg | DIR-Kuppler DIR 1 emulgiert in 20 mg TKP. |
4. Schicht: (hochempfindliche rotsensibilisierte Schicht) | |
2,8 g | AgNO3, 8,5 Mol-% Iodid, mittlerer Korndurchmesser 0,8 µm, rotsensibilisiert |
1,8 g | Gelatine |
0,15 g | farbloser Blaugrünkuppler C 2 emulgiert mit 0,15 g Dibutylphthalat (DBP) |
5. Schicht: (Trennschicht) | |
0,7 g | Gelatine |
0,2 g | 2,5-Diisooctylhydrochinon emulgiert mit 0,15 g DBP |
6. Schicht: (niedrigempfindliche grünsensibilisierte Schicht) | |
1,8 g | AgNO3 einer spektral grünsensibilisierten Ag(Br,I)-Emulsion mit 4,5 Mol-% Iodid und einem mittleren Korndurchmesser von 0,4 µm, grünsensibilisiert, |
1,6 g | Gelatine |
0,6 g | Purpurkuppler M 1 (Latexkuppler) |
50 mg | Maskenkuppler YM 1 emulgiert mit 50 mg TKP, |
30 mg | DIR-Kuppler DIR 2 emulgiert in 20 mg DBP |
80 mg | DIR-Kuppler DIR 3 emulgiert in 60 mg TKP |
7. Schicht (hochempfindliche grünsensibilisierte Schicht) | |
2,2 g | AgNO3 mit 7 Mol-% Iodid und einem mittleren Korndurchmesser von 0,7 µm, grünsensibilisiert, |
1,4 g | Gelatine |
0,15 g | Purpurkuppler M 2 emulgiert mit 0,45 g TKP |
30 mg | Maskenkuppler gemäß 6. Schicht, emulgiert mit 30 mg TKP |
8. Schicht: (Trennschicht) | |
0,5 g | Gelatine |
0,1 g | 2,5-Diisooctylhydrochinon emulgiert mit 0,08 g DBP |
9. Schicht: (Gelbfilterschicht) | |
0,2 g | Ag (gelbes kolloidales Silbersol) |
0,9 g | Gelatine |
0,2 g | 2,5-Diisooctylhydrochinon emulgiert mit 0,16 g DBP |
10. Schicht: (niedrigempfindliches blauempfindliche Schicht) | |
0,6 g | AgNO3, 4,9 Mol-% Iodid, mittlerer Korndurchmesser 0,45 µm, blausensibilisiert, |
0,85 g | Gelatine |
0,7 g | Gelbkuppler Y 1 emulgiert mit 0,7 g TKP, |
0,5 g | DIR-Kuppler DIR 3 emulgiert mit 0,5 g TKP |
11. Schicht: (hochempfindliche blauempfindliche Schicht | |
1,0 g | AgNO3, 9,0 Mol-% Iodid, mittlerer Korndurchmesser 0,9 µm, blausensibilisiert, |
0,85 g | Gelatine |
0,3 g | Gelbkuppler gemäß 10. Schicht emulgiert mit 0,3 g TKP |
12. Schicht: (Schutz- und Härtungsschicht) | |
0,5 g | AgNO3 einer Mikrat-Ag(Br,I)-Emulsion, mittlerer Korndurchmesser 0,07 µm, 0,5 Mol-% Iodid |
1,2 g | Gelatine |
0,4 g | Härtungsmittel der Formel (CH2=CH-SO2-CH2-CONH-CH2-)2- |
1,0 g | Formaldehydfänger der Formel |
Entwickler | 3 min 15 s | 37,8°C |
Bleichbad | 4 min 20 s | 38°C |
Wässerung | 1 min 5 s | 38°C |
Fixierbad | 4 min 20 s | 38°C |
Wässerung | 3 min 15 s | 38°C |
Schlußbad | 1 min 5 s | 38°C |
Entwickler: | |
Wasser | 800 ml |
Kaliumcarbonat | 37,5 g |
Natriumsulfit | 4,25 g |
Kaliumiodid | 1,2 mg |
Natriumbromid | 1,3 g |
Hydroxylaminsulfat | 2,0 g |
Diethylentriaminpentaessigsäure 4-(N-Ethyl-N-β-hydroxyethyl- | 2,0 g |
amino)-2-methylanilinsulfat | 4,75 g |
mit Wasser auf 1 Liter auffüllen pH | 10,0 |
Bleichbad | |
Wasser | 600 ml |
Eisen(III)-komplex mit Komplexbildner gemäß Tabelle 4 | 0,27 mol |
freier Komplexbildner | 0,03 mol |
Ammoniumbromid | 1,5 mol |
Ammoniumnitrat | 0,2 mol |
Fixierbad | |
Wasser | 800 ml |
Ammoniumthiosulfat-Lösung (58 Gew.-%) | 162 ml |
Ethylendiamintetraessigsäure | 1,3 g |
Natriumdisulfit | 13 g |
Natriumhydroxid | 2,4 g |
mit Wasser auf 1 Liter auffüllen pH-Wert | 6,5 |
Schlußbad | |
Wasser | 800 ml |
Formal in (37 Gew.-%) | 3 ml |
Polyoxyethylen-p-monononylphenyl ether | 0,5 g |
mit Wasser auf 1 Liter auffüllen |
Versuch | Komplexbildner | Restsilber (g/m2) | Bleichschleier (ΔDmin Gelb) | Lagerschleier (ΔDmin Gelb) | Bemerkung |
4.1 | EDTA | 0,13 | - | 0,28 | Referenz pH 6,0 |
4.2 | PDTA | 0,00 | 0,07 | 0,29 | Vergleich |
4.3 | NTA | 0,21 | 0,00 | 0,20 | Vergleich |
4.4 | ISDA | 1,10 | - | - | Vergleich |
4.5 | HEIDA | 0,30 | - | - | Vergleich |
4.6 | Verbindung 1 | 0,00 | 0,00 | 0,20 | Erfindung |
Versuch | Komplexbildner | Leucocyan (ΔDmax bg) bei pH | ||||
6 | 5 | 4 | 3 | 2 | ||
5.1 | EDTA | 0,0 | 0,1 | 0,2 | - | - |
5.2 | PDTA | 0,0 | 0,0 | 0,14 | - | |
5.3 | Verbindung 1 | 0,0 | 0,0 | 0,0 | 0,0 | 0,03 |
- = nicht bestimmt |
Versuch | Komplexbildner | Kation | Rest Ag (g/m2) | Bemerkung |
6.1 | EDTA | NH4 ⊕ | 0,13 | Referenz |
6.2 | EDTA | Na | 0,40 | Vergleich |
6.3 | EDTA | K | 0,37 | Vergleich |
6.4 | PDTA | NH4 | 0,00 | Vergleich |
6.5 | PDTA | K | 0,01 | Vergleich |
6.6 | Verbindung 1 | NH4 | 0,00 | Erfindung |
6.7 | Verbindung 1 | Na | 0,01 | Erfindung |
6.8 | Verbindung 1 | K | 0,00 | Erfindung |
Bleichfixierbad | |
Wasser Eisen(III)-komplex mit Komplex- | 600 ml |
bildner gemäß Tabelle 7 | 0,27 mol |
Komplexbildner gemäß Tabelle 7 | 0,03 mol |
Thiosulfat | 0,80 mol |
Sulfit | 0,02 mol |
mit Alkali auf pH 6 einstellen mit Wasser auffüllen auf | 1000 ml |
Versuch | Komplexbildner | Kation | Restsilber (g/m2) | Bemerkung |
7.1 | EDTA | NH4 ⊕ | 0,10 | Referenz |
7.2 | EDTA | Na⊕ | 0,15 | Vergleich |
7.3 | Verbindung 1 | NH4 ⊕ | 0,01 | Erfindung |
7.4 | Verbindung 1 | Na⊕ | 0,03 | Erfindung |
7.5 | Verbindung 1 | K⊕ | 0,02 | Erfindung |
Claims (4)
- Fotografisches Verarbeitungsbad mit bleichender Wirkung gekennzeichnet durch einen wirksamen Gehalt wenigstens eines Eisen(III)-komplexes gemäß Ansprüchen 1 oder 2.
- Fotografisches Verarbeitungsverfahren mit wenigstens den Schritten (a) Farbentwicklung und (b) Bleichen und Fixieren bzw. Bleichfixieren, dadurch gekennzeichnet, daß ein Verarbeitungsbad mit bleichender Wirkung gemäß Anspruch 3 zum Bleichen bzw. Bleichfixieren verwendet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4337846A DE4337846A1 (de) | 1993-11-05 | 1993-11-05 | Bleichmittel |
DE4337846 | 1993-11-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0652476A1 EP0652476A1 (de) | 1995-05-10 |
EP0652476B1 true EP0652476B1 (de) | 1998-06-10 |
Family
ID=6501925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116722A Expired - Lifetime EP0652476B1 (de) | 1993-11-05 | 1994-10-24 | Bleichmittel |
Country Status (4)
Country | Link |
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US (1) | US5565138A (de) |
EP (1) | EP0652476B1 (de) |
JP (1) | JPH07181655A (de) |
DE (2) | DE4337846A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8293696B2 (en) * | 2009-02-06 | 2012-10-23 | Ecolab, Inc. | Alkaline composition comprising a chelant mixture, including HEIDA, and method of producing same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3107260A (en) * | 1960-11-29 | 1963-10-15 | Geigy Chem Corp | Triaminopropane hexa-acetic acid and metal chelates thereof |
IT7925699A0 (it) * | 1978-09-14 | 1979-09-12 | Eastman Kodak Co | Composizioni fotografiche di sbianca, e metodi per trattamento fotografico. |
JP2622839B2 (ja) * | 1987-05-25 | 1997-06-25 | コニカ株式会社 | 漂白用パーツ組成物 |
EP0334317A3 (en) * | 1988-03-25 | 1990-05-30 | Konica Corporation | Composition for processing silver halide color photographic light-sensitive material |
EP0534086B1 (de) * | 1991-07-26 | 1998-03-25 | Konica Corporation | Bleichlösung für farbfotografisches Verfahren |
JP3086979B2 (ja) * | 1992-02-17 | 2000-09-11 | コニカ株式会社 | 漂白液または漂白定着液およびこれら処理液を用いてのハロゲン化銀カラー写真感光材料の処理方法 |
-
1993
- 1993-11-05 DE DE4337846A patent/DE4337846A1/de not_active Withdrawn
-
1994
- 1994-10-24 DE DE59406197T patent/DE59406197D1/de not_active Expired - Fee Related
- 1994-10-24 EP EP94116722A patent/EP0652476B1/de not_active Expired - Lifetime
- 1994-10-27 US US08/329,990 patent/US5565138A/en not_active Expired - Fee Related
- 1994-11-02 JP JP6291942A patent/JPH07181655A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5565138A (en) | 1996-10-15 |
JPH07181655A (ja) | 1995-07-21 |
DE4337846A1 (de) | 1995-05-11 |
DE59406197D1 (de) | 1998-07-16 |
EP0652476A1 (de) | 1995-05-10 |
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