CA1265377A - Color image forming method comprising processing with a bleach-fixing solution - Google Patents
Color image forming method comprising processing with a bleach-fixing solutionInfo
- Publication number
- CA1265377A CA1265377A CA000488942A CA488942A CA1265377A CA 1265377 A CA1265377 A CA 1265377A CA 000488942 A CA000488942 A CA 000488942A CA 488942 A CA488942 A CA 488942A CA 1265377 A CA1265377 A CA 1265377A
- Authority
- CA
- Canada
- Prior art keywords
- group
- bleach
- forming method
- image forming
- color image
- 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 - Fee Related
Links
- 238000012545 processing Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 76
- 229910052709 silver Inorganic materials 0.000 claims abstract description 215
- 239000004332 silver Substances 0.000 claims abstract description 215
- -1 silver halide Chemical class 0.000 claims abstract description 165
- 239000000839 emulsion Substances 0.000 claims abstract description 115
- 239000000463 material Substances 0.000 claims abstract description 65
- 239000000470 constituent Substances 0.000 claims abstract description 31
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 75
- 229910021612 Silver iodide Inorganic materials 0.000 claims description 44
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 claims description 38
- 150000001875 compounds Chemical class 0.000 claims description 38
- 229940045105 silver iodide Drugs 0.000 claims description 38
- 239000002253 acid Substances 0.000 claims description 34
- 150000007524 organic acids Chemical group 0.000 claims description 30
- 230000008961 swelling Effects 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 239000000084 colloidal system Substances 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 230000003449 preventive effect Effects 0.000 claims description 21
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 17
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- 125000003277 amino group Chemical group 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 10
- 125000005842 heteroatom Chemical group 0.000 claims description 10
- 239000007844 bleaching agent Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 125000004429 atom Chemical group 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000007781 pre-processing Methods 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 150000001340 alkali metals Chemical group 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000002252 acyl group Chemical group 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- 150000002085 enols Chemical class 0.000 claims description 2
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- ICSHMGCUYPQOLR-UHFFFAOYSA-N C=C.C=C.C=C.[Fe+3] Chemical group C=C.C=C.C=C.[Fe+3] ICSHMGCUYPQOLR-UHFFFAOYSA-N 0.000 claims 1
- YNINJTWPCSIYGM-UHFFFAOYSA-N CC(ON(CCN(OC(C)=O)OC(C)=O)OC(C)=O)=O.N.[Fe+3] Chemical group CC(ON(CCN(OC(C)=O)OC(C)=O)OC(C)=O)=O.N.[Fe+3] YNINJTWPCSIYGM-UHFFFAOYSA-N 0.000 claims 1
- 101100422770 Caenorhabditis elegans sup-1 gene Proteins 0.000 claims 1
- OOXJLYWWZIPWKG-UHFFFAOYSA-I N'-(2-aminoethyl)ethane-1,2-diamine iron(5+) pentaacetate Chemical group [Fe+5].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.NCCNCCN OOXJLYWWZIPWKG-UHFFFAOYSA-I 0.000 claims 1
- 229910006074 SO2NH2 Inorganic materials 0.000 claims 1
- 125000000565 sulfonamide group Chemical group 0.000 claims 1
- 125000004434 sulfur atom Chemical group 0.000 claims 1
- 229960001124 trientine Drugs 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 38
- 229940009188 silver Drugs 0.000 description 205
- 239000010410 layer Substances 0.000 description 161
- 239000000243 solution Substances 0.000 description 118
- 235000013339 cereals Nutrition 0.000 description 96
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 83
- 238000004061 bleaching Methods 0.000 description 55
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 230000000694 effects Effects 0.000 description 25
- 239000008273 gelatin Substances 0.000 description 22
- 229920000159 gelatin Polymers 0.000 description 22
- 229940014259 gelatin Drugs 0.000 description 22
- 108010010803 Gelatin Proteins 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 235000019322 gelatine Nutrition 0.000 description 21
- 235000011852 gelatine desserts Nutrition 0.000 description 21
- ZUNKMNLKJXRCDM-UHFFFAOYSA-N silver bromoiodide Chemical compound [Ag].IBr ZUNKMNLKJXRCDM-UHFFFAOYSA-N 0.000 description 21
- 239000011258 core-shell material Substances 0.000 description 20
- 150000004820 halides Chemical class 0.000 description 19
- 206010070834 Sensitisation Diseases 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- 230000008313 sensitization Effects 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 16
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 16
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 238000005406 washing Methods 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- 230000000087 stabilizing effect Effects 0.000 description 12
- 239000000975 dye Substances 0.000 description 11
- 108010025899 gelatin film Proteins 0.000 description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 238000005273 aeration Methods 0.000 description 9
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 9
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229940099408 Oxidizing agent Drugs 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 6
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 230000001235 sensitizing effect Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- 125000001424 substituent group Chemical group 0.000 description 5
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 4
- XWSGEVNYFYKXCP-UHFFFAOYSA-N 2-[carboxymethyl(methyl)amino]acetic acid Chemical compound OC(=O)CN(C)CC(O)=O XWSGEVNYFYKXCP-UHFFFAOYSA-N 0.000 description 4
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 4
- KWYJDIUEHHCHCZ-UHFFFAOYSA-N 3-[2-[bis(2-carboxyethyl)amino]ethyl-(2-carboxyethyl)amino]propanoic acid Chemical compound OC(=O)CCN(CCC(O)=O)CCN(CCC(O)=O)CCC(O)=O KWYJDIUEHHCHCZ-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 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
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000002738 chelating agent Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- IFQUWYZCAGRUJN-UHFFFAOYSA-N ethylenediaminediacetic acid Chemical compound OC(=O)CNCCNCC(O)=O IFQUWYZCAGRUJN-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 150000003568 thioethers Chemical class 0.000 description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910021607 Silver chloride Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- SJOOOZPMQAWAOP-UHFFFAOYSA-N [Ag].BrCl Chemical compound [Ag].BrCl SJOOOZPMQAWAOP-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 150000004696 coordination complex Chemical class 0.000 description 3
- ZZGUZQXLSHSYMH-UHFFFAOYSA-N ethane-1,2-diamine;propanoic acid Chemical compound NCCN.CCC(O)=O.CCC(O)=O ZZGUZQXLSHSYMH-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- DEFVIWRASFVYLL-UHFFFAOYSA-N ethylene glycol bis(2-aminoethyl)tetraacetic acid Chemical compound OC(=O)CN(CC(O)=O)CCOCCOCCN(CC(O)=O)CC(O)=O DEFVIWRASFVYLL-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 2
- XXJGBENTLXFVFI-UHFFFAOYSA-N 1-amino-methylene Chemical compound N[CH2] XXJGBENTLXFVFI-UHFFFAOYSA-N 0.000 description 2
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 description 2
- 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 2
- IWTIBPIVCKUAHK-UHFFFAOYSA-N 3-[bis(2-carboxyethyl)amino]propanoic acid Chemical compound OC(=O)CCN(CCC(O)=O)CCC(O)=O IWTIBPIVCKUAHK-UHFFFAOYSA-N 0.000 description 2
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 2
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene 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
- 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 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- CKJBFEQMHZICJP-UHFFFAOYSA-N acetic acid;1,3-diaminopropan-2-ol Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCC(O)CN CKJBFEQMHZICJP-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 2
- 229940107816 ammonium iodide Drugs 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- XNSQZBOCSSMHSZ-UHFFFAOYSA-K azane;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;iron(3+) Chemical compound [NH4+].[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O XNSQZBOCSSMHSZ-UHFFFAOYSA-K 0.000 description 2
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- 150000001718 carbodiimides Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 2
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- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 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
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 description 1
- ZUIVNYGZFPOXFW-UHFFFAOYSA-N chembl1717603 Chemical compound N1=C(C)C=C(O)N2N=CN=C21 ZUIVNYGZFPOXFW-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920005994 diacetyl cellulose Polymers 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- KYQODXQIAJFKPH-UHFFFAOYSA-N diazanium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [NH4+].[NH4+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O KYQODXQIAJFKPH-UHFFFAOYSA-N 0.000 description 1
- BEQZMQXCOWIHRY-UHFFFAOYSA-H dibismuth;trisulfate Chemical compound [Bi+3].[Bi+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BEQZMQXCOWIHRY-UHFFFAOYSA-H 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 description 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 1
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
- KOWWOODYPWDWOJ-LVBPXUMQSA-N elatine Chemical compound C([C@]12CN(C3[C@@]45OCO[C@]44[C@H]6[C@@H](OC)[C@@H]([C@H](C4)OC)C[C@H]6[C@@]3([C@@H]1[C@@H]5OC)[C@@H](OC)CC2)CC)OC(=O)C1=CC=CC=C1N1C(=O)CC(C)C1=O KOWWOODYPWDWOJ-LVBPXUMQSA-N 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 125000005677 ethinylene group Chemical group [*:2]C#C[*:1] 0.000 description 1
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 229960005102 foscarnet Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229910000378 hydroxylammonium sulfate Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- CBEQRNSPHCCXSH-UHFFFAOYSA-N iodine monobromide Chemical compound IBr CBEQRNSPHCCXSH-UHFFFAOYSA-N 0.000 description 1
- 150000002503 iridium Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 150000004698 iron complex Chemical class 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 229910000159 nickel phosphate Inorganic materials 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- JOCJYBPHESYFOK-UHFFFAOYSA-K nickel(3+);phosphate Chemical compound [Ni+3].[O-]P([O-])([O-])=O JOCJYBPHESYFOK-UHFFFAOYSA-K 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- BFSQJYRFLQUZKX-UHFFFAOYSA-L nickel(ii) iodide Chemical compound I[Ni]I BFSQJYRFLQUZKX-UHFFFAOYSA-L 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- 239000006174 pH buffer Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 150000002940 palladium Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229920002006 poly(N-vinylimidazole) polymer Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 1
- 229940116357 potassium thiocyanate Drugs 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003283 rhodium Chemical class 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- DKNJHLHLMWHWOI-UHFFFAOYSA-L ruthenium(2+);sulfate Chemical compound [Ru+2].[O-]S([O-])(=O)=O DKNJHLHLMWHWOI-UHFFFAOYSA-L 0.000 description 1
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- ICKYUJFKBKOPJT-UHFFFAOYSA-K samarium(3+);tribromide Chemical compound Br[Sm](Br)Br ICKYUJFKBKOPJT-UHFFFAOYSA-K 0.000 description 1
- YZDZYSPAJSPJQJ-UHFFFAOYSA-N samarium(3+);trinitrate Chemical compound [Sm+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YZDZYSPAJSPJQJ-UHFFFAOYSA-N 0.000 description 1
- LVSITDBROURTQX-UHFFFAOYSA-H samarium(3+);trisulfate Chemical compound [Sm+3].[Sm+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LVSITDBROURTQX-UHFFFAOYSA-H 0.000 description 1
- BHXBZLPMVFUQBQ-UHFFFAOYSA-K samarium(iii) chloride Chemical compound Cl[Sm](Cl)Cl BHXBZLPMVFUQBQ-UHFFFAOYSA-K 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- HAAYBYDROVFKPU-UHFFFAOYSA-N silver;azane;nitrate Chemical compound N.N.[Ag+].[O-][N+]([O-])=O HAAYBYDROVFKPU-UHFFFAOYSA-N 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 150000003567 thiocyanates Chemical class 0.000 description 1
- 125000004055 thiomethyl group Chemical group [H]SC([H])([H])* 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- BYGOPQKDHGXNCD-UHFFFAOYSA-N tripotassium;iron(3+);hexacyanide Chemical compound [K+].[K+].[K+].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] BYGOPQKDHGXNCD-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 235000020985 whole grains Nutrition 0.000 description 1
- 229910000347 yttrium sulfate Inorganic materials 0.000 description 1
- RTAYJOCWVUTQHB-UHFFFAOYSA-H yttrium(3+);trisulfate Chemical compound [Y+3].[Y+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RTAYJOCWVUTQHB-UHFFFAOYSA-H 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 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
Abstract
Abstract:
Disclosed is a color forming method which comprises subjecting a light-sensitive silver halide color photographic material having a photographic constituent layer comprising blue-sensitive, green-sensitive and red sensitive silver halide emulsion layers on a support and having a total thickness of the photographic constituent layer of 25 µm or less to imagewise exposure, then carrying out color developing processing of the exposed material in the presence of a dye forming coupler and processing the developed image with a bleach-fixing solution.
The color forming method of the present invention enables rapid processing of a high sensitivity color light-sensi-tive material.
Disclosed is a color forming method which comprises subjecting a light-sensitive silver halide color photographic material having a photographic constituent layer comprising blue-sensitive, green-sensitive and red sensitive silver halide emulsion layers on a support and having a total thickness of the photographic constituent layer of 25 µm or less to imagewise exposure, then carrying out color developing processing of the exposed material in the presence of a dye forming coupler and processing the developed image with a bleach-fixing solution.
The color forming method of the present invention enables rapid processing of a high sensitivity color light-sensi-tive material.
Description
This invention relates to a color lmage formlng method.
More particularly, it pertains to a color ~mage forming method having a rapid silver bleach-flxing ability.
Generally speaking, for obtaining a color image by processing of a light-sensitive silver halide color photographic material sub~ec-ted to imagewise exposure, there is provided the step of processing the metal silver formed with a processing solution having bleaching ability after the step of color developing step.
lU
As the processing solution having bleaching ability, there have been known bleaching solutions and bleach-fixing solutions. When a bleaching solution is employed, the step of fixing silver halide with a fixing agent is usually added subsequent to the bleaching step, but in some cases the bleach-fixing processing performing bleaching and fixing in ane step may be practiced.
In the processing solution having bleaching ability in , ' : 3U .
~35 .
.. .. .
. ~
.: .....
.
. .,,. - .
. - .- . . :
. ~:
~2653~
processing of color light-sensitive materials, inorganic oxidiz-ing agents such as red prussiate, dichromate, etc. have been widely used as the oxidizing agent.
However, the processing solution havin~ bleaching abil-ity containing these inorganic oxidizing agents has been pointed out to involve some serious drawbacks. ~or example, red prussi~
ate and dichromate are relatively excellent ln bleaching power of the image silver, but they have properties undesirable in preven-tion of pollution, because there is the fear that cyan ions or hexavalent chromium ions harm~ul to human bodies may be formed by decomposition with light. Also, these oxidizing agents have very potent oxidizing power and they can hardly be permitted to co-exist with a silver halide solubilizing agent (fixing agent) such as thiosulfate, etc. in the same processing solution, and it is almost lmpos~ible to use these oxidizing agents in khe bleach-fixing solution, thus making it difficult to accompli~h th~
ob~ect of rapid and simple processing. Further, the processing solution containing these inorganic oxidizing agents has the drawback that it is difficult to regenerate it for reuse without discarding the waste solution after processing.
In contract, as a processing solution causing little problem of pollution and sulted for the requirement of more rapid and simplified processing as well as possibility of regenerated use of the waste solution, a processing solution utillzing a metal complex of an organic acid such as aminopolycarboxylic acid metal complex, etc. is coming into use. However, the processing solution employing a metal complex or organic acid, due to its weak oxidative power, has the drawback of slow bleaching speed (oxidation speed) of the image silver (metal silver) formed in the developing step. For example, iron (III) Pthylenedlamlne-$etraaceta~e complex, considered to have a potent bleaching power among am1nopolycarboxylic metal complexes, has been practically applied as the bleaching solution and the bleach-fixing solution in some usesr but in high sensitivi$y color light-sensitive mate-
More particularly, it pertains to a color ~mage forming method having a rapid silver bleach-flxing ability.
Generally speaking, for obtaining a color image by processing of a light-sensitive silver halide color photographic material sub~ec-ted to imagewise exposure, there is provided the step of processing the metal silver formed with a processing solution having bleaching ability after the step of color developing step.
lU
As the processing solution having bleaching ability, there have been known bleaching solutions and bleach-fixing solutions. When a bleaching solution is employed, the step of fixing silver halide with a fixing agent is usually added subsequent to the bleaching step, but in some cases the bleach-fixing processing performing bleaching and fixing in ane step may be practiced.
In the processing solution having bleaching ability in , ' : 3U .
~35 .
.. .. .
. ~
.: .....
.
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. - .- . . :
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~2653~
processing of color light-sensitive materials, inorganic oxidiz-ing agents such as red prussiate, dichromate, etc. have been widely used as the oxidizing agent.
However, the processing solution havin~ bleaching abil-ity containing these inorganic oxidizing agents has been pointed out to involve some serious drawbacks. ~or example, red prussi~
ate and dichromate are relatively excellent ln bleaching power of the image silver, but they have properties undesirable in preven-tion of pollution, because there is the fear that cyan ions or hexavalent chromium ions harm~ul to human bodies may be formed by decomposition with light. Also, these oxidizing agents have very potent oxidizing power and they can hardly be permitted to co-exist with a silver halide solubilizing agent (fixing agent) such as thiosulfate, etc. in the same processing solution, and it is almost lmpos~ible to use these oxidizing agents in khe bleach-fixing solution, thus making it difficult to accompli~h th~
ob~ect of rapid and simple processing. Further, the processing solution containing these inorganic oxidizing agents has the drawback that it is difficult to regenerate it for reuse without discarding the waste solution after processing.
In contract, as a processing solution causing little problem of pollution and sulted for the requirement of more rapid and simplified processing as well as possibility of regenerated use of the waste solution, a processing solution utillzing a metal complex of an organic acid such as aminopolycarboxylic acid metal complex, etc. is coming into use. However, the processing solution employing a metal complex or organic acid, due to its weak oxidative power, has the drawback of slow bleaching speed (oxidation speed) of the image silver (metal silver) formed in the developing step. For example, iron (III) Pthylenedlamlne-$etraaceta~e complex, considered to have a potent bleaching power among am1nopolycarboxylic metal complexes, has been practically applied as the bleaching solution and the bleach-fixing solution in some usesr but in high sensitivi$y color light-sensitive mate-
- 2 B
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. . .~.. . ..... .
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.
P2~S~77 rials comprising mainly silver bromide, silver iodobromide emul-sion, particularly color negative film, color reversal film for photography containing silver iodine as the silver halide, it is insufficient in bleaching power and traces o:E image silver will remain even after prolonged processing, resulting in bad desil-veri2ation. This tendency will be more marked in a bleach-fixing solution where thiosulfate and sulfite co-exist, because the redox potential is lowered. Particularly, it has been found that the desilverization characteristic is markedly bad in a high sen-sikivity color liyht-sensitive material containing silver iodide for photography containing black colloid silver ~or halation pre-vention.
Further, as a silver halide emulsion, which is 21 high sensitivity emulsion containing silver iodide, micropulverized and suited for the requirement o resource protection with effec-tive utilization of silver, there is the core-shell emulsion has bëen recently developed. The core-shell emulsion is a mono-dis-persed core-shell emulsion which is prepared by utilizing the preceding silver halide emulsion as the crystal nuclei, than lam-inating successively the subsequent precipitate, while control-ling intentionally the composition or the environment with lapse of time for respective precipitates. Among them, the aforesaid core-shell type high sensitivity emulsion containing silver iodide in the core and/or the shell has an extremely preferable specific feature in photographic pPr~ormance, but when applied in a conventional bleach-fixing bath for a color light-sensitive material, it proved to be very poor in bleach-fixing characteris-tic of developed silver and silver halide.
For example, the developed silver in the silver halide emulsion for photography containing 0.5 mole% or more of silver iodide, particularly the developed silver of the ~ilver halids containing 0O5 mole% or more of silver iodide in the core and/or the shell in the core-shell type emulsion, although belng excel-lent in sensitivity, graininess, covering power, etc.~ is
. . ~ , , .
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.
P2~S~77 rials comprising mainly silver bromide, silver iodobromide emul-sion, particularly color negative film, color reversal film for photography containing silver iodine as the silver halide, it is insufficient in bleaching power and traces o:E image silver will remain even after prolonged processing, resulting in bad desil-veri2ation. This tendency will be more marked in a bleach-fixing solution where thiosulfate and sulfite co-exist, because the redox potential is lowered. Particularly, it has been found that the desilverization characteristic is markedly bad in a high sen-sikivity color liyht-sensitive material containing silver iodide for photography containing black colloid silver ~or halation pre-vention.
Further, as a silver halide emulsion, which is 21 high sensitivity emulsion containing silver iodide, micropulverized and suited for the requirement o resource protection with effec-tive utilization of silver, there is the core-shell emulsion has bëen recently developed. The core-shell emulsion is a mono-dis-persed core-shell emulsion which is prepared by utilizing the preceding silver halide emulsion as the crystal nuclei, than lam-inating successively the subsequent precipitate, while control-ling intentionally the composition or the environment with lapse of time for respective precipitates. Among them, the aforesaid core-shell type high sensitivity emulsion containing silver iodide in the core and/or the shell has an extremely preferable specific feature in photographic pPr~ormance, but when applied in a conventional bleach-fixing bath for a color light-sensitive material, it proved to be very poor in bleach-fixing characteris-tic of developed silver and silver halide.
For example, the developed silver in the silver halide emulsion for photography containing 0.5 mole% or more of silver iodide, particularly the developed silver of the ~ilver halids containing 0O5 mole% or more of silver iodide in the core and/or the shell in the core-shell type emulsion, although belng excel-lent in sensitivity, graininess, covering power, etc.~ is
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markedly bad in bleaching characteristic in the color light-sen-sitive material in which the developed silver must be bleached, due to the form of the developed silver which is different from that of the prior art.
Alternatively, attempts have also been made of utiliz-ing flat plate silver halide grains as disclosed in Japanese Pro-visional Patent Publication No. 113930/1983, No. 113934/1983, No.
127921/1983 and No. 108532/1983. Even if the photo~uantum number captured by silv2r halide grains may be increased by use of the flat plate silver halide grains, the amount of silver employed is not increased and there occurs no worsening to image quallty, as dlscussed in these specifications. However, even with the use of such flat plate silver halide gralns, the developed silver formed by deve~opment with a p-phenylenediamine type color developlng agent has the drawback of poor silver bleaching charact~ristic.
Accordingly, it has partlcularly strongly been desired to have a processlng solution which is capable of bleach-fixing rapidly a color light-sensitive material comprising a core-shell emulsion and/or flat plate silver halide emulsion containing silver iodide having excellent features as described above and also havlng a halation preventive layer comprising black colloid silver.
The present inventlon provldes a method for bleach-fix-ing processing of a color light-sensitive material containing high sensitivity silver iodide o the high sensitivity micropar-ticulate type which can satisfy both resource protection and ultra-high sensitivity, and the second technical task is to pro-vide a color image forming method with a bleach-fixing solution which enables rapid processing of a high sensitivity color light-sensitive material.
Thus, the present invention provides a color image forming method, which comprlses sub~ecting a light-sensitive sil-ver halide color photographic material having a photographic con-stituent layer comprising blue-sensitive, green-sensitive and
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.
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markedly bad in bleaching characteristic in the color light-sen-sitive material in which the developed silver must be bleached, due to the form of the developed silver which is different from that of the prior art.
Alternatively, attempts have also been made of utiliz-ing flat plate silver halide grains as disclosed in Japanese Pro-visional Patent Publication No. 113930/1983, No. 113934/1983, No.
127921/1983 and No. 108532/1983. Even if the photo~uantum number captured by silv2r halide grains may be increased by use of the flat plate silver halide grains, the amount of silver employed is not increased and there occurs no worsening to image quallty, as dlscussed in these specifications. However, even with the use of such flat plate silver halide gralns, the developed silver formed by deve~opment with a p-phenylenediamine type color developlng agent has the drawback of poor silver bleaching charact~ristic.
Accordingly, it has partlcularly strongly been desired to have a processlng solution which is capable of bleach-fixing rapidly a color light-sensitive material comprising a core-shell emulsion and/or flat plate silver halide emulsion containing silver iodide having excellent features as described above and also havlng a halation preventive layer comprising black colloid silver.
The present inventlon provldes a method for bleach-fix-ing processing of a color light-sensitive material containing high sensitivity silver iodide o the high sensitivity micropar-ticulate type which can satisfy both resource protection and ultra-high sensitivity, and the second technical task is to pro-vide a color image forming method with a bleach-fixing solution which enables rapid processing of a high sensitivity color light-sensitive material.
Thus, the present invention provides a color image forming method, which comprlses sub~ecting a light-sensitive sil-ver halide color photographic material having a photographic con-stituent layer comprising blue-sensitive, green-sensitive and
- 4 -.: .,.
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.
~ 7~
red-sensitive silver halide emulsion layer and a black colloid silver halation preventive layer on a support and having a -total thickness of the photographic constituent layer which is effec-tive for photographic performance of 25 m or less to image-wise exposure, then carrying out color developing procsssing of the exposed material in the prese.nce of a dye forming complex and then carrying out bleach-fixing processing of the developed image with a bleach-fixing solution containing at least one organic acid ferric complex~
The present invention will be further illustrated by way of the accompanying drawing, in which:-Figure 1 is a graph showing a film swelling speed Tl/2 f a binder.
Here, the photographic constituent layer refers to allthe hydrophillc collold layers exlsting on the same side as the support slde on which at least three silver halide emulsions lay-ers of blue-sensitive, green-sensitive and red-sensitive emulsion layers are provided. It is particularly effective, when there ls provided black colloid silver halation preventive layer, and otherwise also include, in addition to silver halide emulsion layers, for exampler subbing layer, intermediate layers ~mere intermediate layer, filter layer, UV-ray absorbing B
.. .
. .. . ... . .
.......
... .. . .
- .. . . . .
~5377 layer, etc.), protective layer, etc.
According to a preferred embodiment, the bleach-fixing . r~ ~o,lf,,~
. ~ solution ~t~i~ at least one organic acid ferric complex, selected preferably from the compounds of the formulae [I] - [VII] shown below:
Q C=S rI] (R3~ rII]
. :.
- :: :
.
~ 7~
red-sensitive silver halide emulsion layer and a black colloid silver halation preventive layer on a support and having a -total thickness of the photographic constituent layer which is effec-tive for photographic performance of 25 m or less to image-wise exposure, then carrying out color developing procsssing of the exposed material in the prese.nce of a dye forming complex and then carrying out bleach-fixing processing of the developed image with a bleach-fixing solution containing at least one organic acid ferric complex~
The present invention will be further illustrated by way of the accompanying drawing, in which:-Figure 1 is a graph showing a film swelling speed Tl/2 f a binder.
Here, the photographic constituent layer refers to allthe hydrophillc collold layers exlsting on the same side as the support slde on which at least three silver halide emulsions lay-ers of blue-sensitive, green-sensitive and red-sensitive emulsion layers are provided. It is particularly effective, when there ls provided black colloid silver halation preventive layer, and otherwise also include, in addition to silver halide emulsion layers, for exampler subbing layer, intermediate layers ~mere intermediate layer, filter layer, UV-ray absorbing B
.. .
. .. . ... . .
.......
... .. . .
- .. . . . .
~5377 layer, etc.), protective layer, etc.
According to a preferred embodiment, the bleach-fixing . r~ ~o,lf,,~
. ~ solution ~t~i~ at least one organic acid ferric complex, selected preferably from the compounds of the formulae [I] - [VII] shown below:
Q C=S rI] (R3~ rII]
5~Y ( B-SZ)n ~III] R ~\N ~ S
,-Q~
N// [V] ~ EvI]
IRll R14 xl ( C ~ N--~--C ~ SYl [VII]
R R R
In the above formulae, Q represents a group of atoms necessary for forming a hetero ring c.ontaining 1 or more N atom (including -those having at least one 5- to 6-membered unsaturated ring fused thereto); A represents a group of the formulae:
R /R /R
Il, \R~ 2 ~ 1~ N\ , -~S ~ C-N\
~St~CH2~C-N~ , ~St~C~121~N/
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.
' ~2653~7 ~R
~S~N~ , INH~C~2~NH~C_N~
~R
-S-M-S-C~N or -SZ';
Il \R ' or a hetero ring residue with nl valence (including those having at least one 5- to 6-membered unsaturated ring fused thereto); B represents an alkylene group having 1 to 6 carbon atoms; M represents a divalent metal atom; X
and X' represent =S, =O or =NR"; R" represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue (including those having at least one 5- to 6-membered unsaturated ring fused thereto) or an amino group; Y
represents /N- or /CH-; Z represents a hydrogen atom, an alkali metal atom, an ammonium group, an amino group, a nitrogen containing hetero ring residue or -S-B-Y\ 5, Z' represents Z or an alkyl group; Rl represents a hydragen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue (including those having at least one 5- to 6-membered : unsaturated ring fused thereto) or an amino group; each of R2, R3, R4, R5, R and R' represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxy group, a carboxy group, an amino group, an acyl group : ~ having 1 to 3 carbon atoms, an aryl group, or an alkenyl group, with proviso that R4 and R5 may represent -B-SZ, and R~and Ri, R2 and R3, R4 and R5, respectively, may be :: mutually cyclized to ~orm a~hetero ring residue ~: 25 ~(including those having at least one 5- to 6-membered r 7 : unsaturated ring fused thereto); R~ and R' each represent ; ~ a group of the formula:
: ~ :, ~. . . :
~ 8~ ~7 R R
~ (G)~ , ~ (G)~ or ~ ~-R9 (G~9 R9 represents an alkyl group or -~CH2)n S03~ (~hen R8 is -~CH2)n8S03~, Q represents 0 or 1); G~ is ~n anion; ml to m4 and nl to n8 each represent integers of 1 to 6; m5 represents an integer of 0 to 6; R
represents a hydrogen atom, an alkali metal atom, a group of the formula: -S-C Ql or an alkyl group; Q' is the same as the above Q; D
is a mere bonding linkage, an alkylene group having 1 to 8 carbon atoms or a vinylene group; q represents an integer o~ 1 to 10; the plural number oE D may be either the same or difEerent; the ring Eormed togçther with sulEur atoms may be Eused fur~her to a S- to 6-mem~ered ~nsat~r~d ring: X1 rep~e~en~
COOM` -~H -~03M'~ -CONH2~ -52~ Nl~2' 1~ _C02R16, _so2Rl6, _oR16~ --NR15R17 --S~,16, --so Rl~ ' -NEICOR 6, -NHS02Rl~, -CORl or -OS02R16; Y
repre~en~ a group of th~ formula:
~,11 R14 ~c~X ~SNR
~1~ \ al3 \R
: or a hydrogen a~om; m' and n' each repres~nt an : integer of 1 to 1~; R~ 14 R15 ~11 a~d ~1 ~each represen~ a hydrogen atom or a lower aLkyl : ~ ~5 ~ ~roup; R13 represen~s a hydrogen a~oln, a lo~e~ alkyl gr~oup o~c a group Oe the f rmula:
gr~p o~th~ formula~ C ~ X~ R16 r~presents a ~h ~ lowe~ alk~ oup; R19 represents -NR20R2~ R~2 ': :`, ' ,~, i3~
-SR22; R20 and R21 each represent a hydrogen atom or a lower alkyl group; R22 represents a group of atoms necessary for formation of a ring by linking to R18; R20 or R21 may be linked to R18 to form a ring; M' represents a hydrogen atom or a cation;
said compounds of the formula [I] - [v] including enol derivatives and salts thereof.
Thus, the present inventors have studied intensively with partlcular interest the phenomenon that a light-sensitive high sensitivity microparticulate silver halid~ color photographic material of at least three layers having black colloid silver as the halation preventive layer and containing at least û.5 mole % of silver iodide is markedly poor in bleach~
fixing characteristic, and consequently found that desilveri~ation can sufficiently be effected even with a bleach-1~ fixing solution containing an organic acid ferric complex,provided that the total amount o-f sllver coated in the light-sensitive material a~d the emulsion layer thlckness are within certain values and the fllm swelling speed Tl/2 o the binder is 25 seconds or less. Further, when it is processed with bleach-2~ fixing solution in which specific compounds according to the .~ present invention are combined, the bleach-fixing completion time ~f the color light-sensitlve material containing silver iodide to be processed was found to be further shortened. Particularly, when the photographic constituent layer in the silver halide emulsion of the photvgraphic material becomes thinner than a certain value accordlng to the present invention, the bleach~
fixing characteristic was found to be markedly improved to improve bad desilverization.
Further, surprisingly, the present inventors have found the fact that, as the molecular welght of the organic acid of the organlc acid ferric complex becomes:greater, the bleac~ing accelerating actlon is increased due to smaller binder film swelling speed of the photographic constituent layer (gelatln filmJ, whereby the bleaching time can be markedly shortened. On .
_ g _ .~ , .
.: :
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~5377 the other hand, it has also been found that, as the molecular weight of the organic acid of the organic ferric complex becomes smaller, the bleaching accelerating action due to reduction in thickness of the photographic constituent layer (gelatin film) increases, whereby bleach-fixing time is similarly markedly shortened.
More specifically, as the molecular weight of the organic ferric complex becomes greater, the oxidativP power of silver is generally increased, but the action of hardening the film constituting the photographic constituent layer also increases, whereby diffusion penetration of the bleach-fixing components is markedly lowered to cause interference with bleach~
fixing, which becomes greater in proportion to the thickness of the photographic constituent layer. However, no such 1~ interference occurs, when the gelatin film has the characteristic of very poor film swelllng speed. In contrast, an organic acid ferrlc complex with smaller molecular weight may be weakened somewhat in oxidative power of silver, but interference with bleach-fixing is also small. ~ence, it has been found that, 2U provided that the photographic constituent layer is thinner than a certain value according to the present invention, or the gelatin film swelling speed is large similarly as above, substantially sufflcient bleachi~g power can be obtained.
2r Further, interference with bleach-fixing intensified due to marked bad desilverization occurs at the boundary port~on between the black colloid silver containing halation preventive layer and the silver iodide containing silver halide emulsion layer, when the fllm thickness of the photographic constituent layer of the color light-sensitive layer containlng silver iodide .
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B becomes greater, r~5 also found to be alleviated by making the thickness of the photographic constituent layer -~ a certain value or lower according to the present invention and accelerating the gela-tin film ~e~a~
swelling speed to a~ level or higher.
Thus, according to the present invention, an epoch-making bleach-fixing method has been found, in which the bleach-fixing characteristic ~ill not ~ impaired by use of an organic acid ferric complex with any molecular weight.
According to a preferred embodiment of the present invention, the photographic constituent layer of the color light-sensitive layer has a film thickness of 22 ~m rtl~h~rl~
or less, p~u~ir-~y preferably 20 ~m or less, the film swelling speed of binder Tl/2 is 20 seconds or less, particularly preferably 15 seconds or less, most prefer-ably 10 seconds or less, and the aforesaid bleach-fixing accelerator and the organic acid forming the organic ferric complex are those as mentioned below. The objects of the present invention were found to be accomplished more effectively by satisfying these requirements.
(1) N - N (2) N -IrSH
~ ~ ~ ,N
(3) H2N-IC-~HNH-C-NH2(4) H~ CH2 ICH CH2S
S S OH
(5) HS-CH2CH2-COOH(6) C2H5\
~ NCH 2 CH2 - SH
(7) H3C\ (8) C2H5\ ~,NH
H3C /NCH2CH2-5-C\
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37~
(9) H3C~ ~NH
~NCH2CH2-S-C~
(10) C2H5 C2H
~NCH2CH2-S-S-CH2CH2N~ 5 (11) CH3~ ~CH3 ~NCH2CH2-S-S-CH2CH2N~
.
~12) CH3~ NCH3 (13) CH3 NCH3 ~NCH2CH2-S-C~ )NCH2CH2-S-C~
(14) CH3~ ~NH
~NCH2CH2CH2NH-C-CH2-S-C~
(15) C2H5~
NCH CH CH NH-C-NH-SH
(16) CH3~
CH / 2CH2NH-~C~-SCH3 (17) CH
CEI ) C~2CH2 S ICl N~CH3 (18) CH3 \NCH CH -S-C-NHCH
: :: CH3/ 2 2 11 3 ~ : ~
(19) CH3~
-ll ScH3 : 3 o :: (20)CH2CH2-SH (21) ~S~ (22) ~ :
N~CH2CH2-SH ~ J ~ :
-S~ ~ S~ S~_,S
:: :
,`:
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..
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~265377 (23) t ~CH2cH2s02cH3 ~
(24) / /CH2COO~ ~
t 2 2 \CH COOH )2 (25) HN~
(26) HN~
C-SCH CH -N-CH CH CO CH 2HCl ~27) / OH
_ SCH2CH2N~ 3 2 \ OH
(28) HSCH2CH2NHCH2CH20H
(29) HSCH2CH2-l-CH2CH2H
:
(30) /CH2cH2s2cH3 : ~ (31)~ Diethylenetriaminetetraacetic acid :(32) Cyclohe~anediaminotetraacetic acid (33) Triethylenetetraminehexaacetic acid : (34) ~Glycoletherdiaminetetraacetic acid 35~)~ 1,2-Diaminopropanetetraacetic:acid (:36) 1~,3-Diaminopropane-2-ol tetraacetic acid :(37) Ethylenediaminedi-o-hy~droxyphenylacetic acid ::(38) Ethylenediaminetetraacetic~acid~
:
:
;:
.
:
, ~
.. :.......... .
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~:65377 (39) Nitrilotriacetic acid (40) Iminodiacetic acid (41) Methyliminodiacetic acid (42) Hydroxyethyliminodiacetic acid (43) Ethylenediaminetetrapropionic acid (44) Dihydroxyethylglycine (45) Nitrilotripropionic acid (4Ç) Ethylenediaminediacetic acid (47) Ethylenediaminedipropionic acid Further, as the most effective embodiment, it has been found possible to accomplish the above objects of the present invention according to the processing method, in which a fixing processing is applied as the pre-process-ing step before the bleach-fixing processing after the color developing processing~ In the following, this fixing processing is called pre-fixing processing or pre-fixing, and the processing solution to be used for said pre-fixing processing is called pre-fixing solution or pre-fixing processing bath or pre-fixing bath.
In the following, the present invention will be explained i~ more detail.
For the hydrophilic binder to be used for coating of silver halide in the light-sensitive silver halide color photographic material, gelatin is usually employed, but a polymer may sometimes be employed, and the film swelling speed Tl/2 is required to be 25 seconds or shorter. The film swelling speed Tl/2 can be measured according to any method known in this field of the art. For example, it can be measured by use of a Swellometer of the type as disclosed in A. Green et al, Photographic Science and Engineering, Vol. 19, No. 2, pp. 124 - 129. Tlj2 is defined as the time before reaching l/2 of the saturated film thickness which is 90 % of the maximum swelled film thickness, when processed in a color developing solution , . . .
" :
:.: :. .. :
~2~i5~
at 30 C for 3 minutes and 15 seconds. (see Fig. 1).
The film swelling speed Tl/2 can be controlled by addition of a film hardening agent to gelatin as the binder.
Film hardening agents may include an aldehyde series, an azilidine series (e.g., as disclosed in PB report No.
19,921, U.S. Patents No. 2,950,197, No. 2,964,404, No.
2,983,611 and No. 3,271,175, Japanese Patent Publication No. 40898/1971, Japanese Provisional Patent Publication 10 No. 91315/1975, etc.), an oxazole series (e.g., as disclosed in U.S. Patent No. 331,609), an epoxy series ~e.g., as disclosed in U.S. Patent No. 3,047,394, West German Patent No. 1,085,663, Great Britain Patent No.
1,033,518, Japanese Patent Publication No. 35495/1973, etc.), a vinyl sulfone series ~e.g., as disclosed in PB
report No. 19,920, West German Patents No. 1,100,942, No.
2,337,412, No. 2,545,722, No. 2,635,518, No. 2,742,308 and No. 2,749,260, Great Britain Patent No. 1,251l091, U.S. Patents No. 3,539,644 and No. 3,490,911, etc.), an 20 acryloyl series ~e.g., U.S. Patent No. 3,640,720, etc.), a carbodiimide series ~e.g., U.S. Patents No. 2,938,892, No. 4,043,818 and No. 4,061,499j Japanese Patent Publication No. 38715/1971, etc.), a triazine series (e.g., West German Patent Publications No. 2,410,973 and 25 No. 2,553,915, U~SO Patent No. 3,325,287, Japanese Provisional Patent Publication ~o. 12722/1977, etc.), a polymer type ~e.g., Great Britain Patent No. 822j061, ~U.S. Patents No. 3,623,878, No. 3,396,029 and No.
3,226,234, 3apanese ~atent Publications No. 18578/1972, 30 Mo. la579/1972 and No. 48896/1972, etc.), and others such as a maleimide series, an acetylene~series, a methane sulfonic acid ester series (N-methylol series) may be ~mentioned, which may be used alone or in combination with two or more of the abo~e. Preferable combinations may be 35~ mentioned as disclosed in West German Patent Publications .. .
, . --: ,; ~ . :
: -:; ,, :
:
:, ;, . ,:, i53~
No. 2l447,587, No. 2,505,746 and No. 2,514,245, ~.S.
Patents No. 4,047,957, No. 3,832,181 and No. 3,840,370, Japanse Patent Publications No. 43319/1973, 63062/1975 and 127329/1977 and Japanese Patent Publcation No.
32364/1973.
The binder in the photographic constituent layer to be used in the color photographic material of the present invention should have a film swelling speed Tl/2 of 25 seconds or less, which should preferably as small as possible. Its lower limit should be 1 second or more, since troubles such as formation of scratches may be caused, if it is too small. More preferably, it should be 2 seconds to 20 seconds, particularly preferably 15 seconds or less, most preferably 10 seconds or less. If it is greater than 25 seconds, desiliverization, namely the bleach-fixing performance will be deteriorated.
Particularly, such deterioration will noticeably occur when a low molecular weight organic acid ferric complex is used, or even when a high molecular weight organic acid ferric complex may be used at a higher concentration.
The bleaching accelerator of the present invention is represented by the above formulae ~I] to ~VII], and typical examples thereof are enumerated below, but the present invention is not limited thereto.
' :: :
" ' :: .
: ; . . --:~: ,.:
.. : : : ...
., .
.: : -;3 [Exemplary compounds]
2 ) Cl18 /~ N i~ N )=
CH2 CH2 S03 K CH2 C82 SO~ K
( I - 3 ) ( I -- 4 ) N > ~ N >~
( I - 6 :
HOCH2CH2 ~, S S
CH~ ~ N> CH3 /~ N >=
CH2COOH CH2CH2CH2COO}I
.
~ , :
,., :
i3~77 ( I -- 7 ) ( I -- 8 ) HQO~
S > CH~ ~ I
CH2CH2 CH2COOHCH2 ( CH2 ) ~,~QOH
( I 9 ) ~'S >=S ~,['S >~ S
HOOCCH2 I H~C200C ~Nl CH2COOH CH2 (CH2 )3COOH
I ~ 11) ( I - 12) C!l3~N N O S 1N>
~3\COOH CH3 HOOC~N>=S ~; ~ ~ >=S
2 ~3 ~ CH2CH2GH2503Na ,.. : ,. . . , .. . ~
, . , . , , . ,. .. -, .
" ~ . ,.. -.: ; - ~ .
, ~ . . .. ..
:. ~ ... ....
. ~ .. . ..
~L2~3~7 ( I - 15) ( I --16) CH2CH2COOH KO3S(CH2 )~S ~S >=
N >= S N~N
( I --17) ( I --18) >= S ~3 N~N ~NI >= S
S03 Na CH2 CH2 COOH
( I --19) ( I _ ~0) ~ kS >= s N
N--N >= HOOCCH2 ( I - 21) ( I --22) ;~tH2 ~ S> ~ NG~CH;~S~S
I
CH2COOH :; ~ ; CH2CH3 , .
.. ..
. . ;
,,, . ~;
.. .
, ~ ,. ;
.- .. ; ~
; .
iL2 6 5 3 7 7 ( I -23) ( I -24) HQCCCH2) S ~ CH ~CH2CHZ~S >=S
o `N o N
( I - 25) ( I - 26 CH2CH2COOH ~ N - NH2 [~Nl ~ S N" HN ~ S
( I - 27) ( I - 28 ::
~ CH3 ~ N - NH2 C2Hs ~ N - NH2 N`N 1 S `N 1 S
H H
:
29) ~ 30) N - NHCOCH3 CH~ ~ N - NHCOCH3 `H 1 S : H S
,~
- - , -- . .~ .~ .. . . . ..
.... ..
, .; :
-, ~
`, ... . .
. ,., .~
. `~ .
.. , '` - :.
., . ` . .
~;265377 ( I - 31) ~ I - 323 CH3 ~rl NNCOC2Us C2Ns~ --N.2COCN3 ( I -33) ( I -34) C2Hs~rN--NHCOC2Hs H ~S
N~ N 1 S N =<
( I --35) ( I --3B) HN--NH C CH80lrN{>
N~N S 3C S/~S~
H
( I --37) ~ ( I --38) :
O ~ H~C--N--N--CH~
: S S ~ S S S
:: :
H2N--C--C~--Nl~ N C--C-R<H ~ ~ ~
:
, ~537 ( 11 - 3 ~ ( ~ 4 ) CH3 \ /CH3 C~3 \ /C3~7 / N C--6--N \ / N -- C C ~ N \
s s s s (~ - 5 ) (~ 6 ) CH3 \ /CH3 C2H5\N /C2~5 CH3 / 11 11 \CH3 C~IS/ 11 11 \C2H5 s s s s (11 - 7 ) ~II - 8 ) CH3 j /C2H5 /C6H1 CH~ 11 11 \C2H5 11 11 \C6H 3 s s s s ( 11 ~- ~ ) ( Il - 1 0 ) ~3>N C C N ~ CN C C N~
H 11 11 ~ 11 11 s s s s :
.
r~ C~
N C C N O ~ N C C N
CH3 / 11 11 ~/
s s ~ s s .
,. .. ... . .
. ~. ~ ..
,....... . ,. ~ ~ ; . . .
. ~, . . . .. ... ~ . ~
~L~ i3 7 7 ( ~ - 13) ( ~ - ~4) H2N ~ NJ L- N C ICI NJ
s s s s ( ~ - 15) ( ~ - 16) H2N C C N'1 CN~C C N'1 Il 11 ~s 11 11 ~o s s s s ( ~ - 17) ( ~ - 18) CH3 ~ rn HOOCCH2 \ j C~12COOH
~,N ~ N ~ H / N ~ 1- N \ H
S S : S S ~ ;
19) ~ ~
: ~ :
~1 OH : IH
: HOCH2CHCH2 ~ CH2CHCH20H
H > N -C - C - N \ H
S S
::: ::
: ;HOOCCH2 ~ ` ~ CH2C~OH
NOOCCU2~ > ~ ~11 11 \ CN2COOH
:
- . ~....... . .. . , ,~...... ..
,. ~ ' . :~, , :
- ~. , ... ~
, . , : . "
: : .~ - . , .
:`- . , :,', ~ ~ . --, , ; ~ - ;: ` : :
3~7 2 1 ) HOCH2CH? ~ ~CH2CH20H
N--C--C--N
S S
( 1~ - 22) /~ / \
~<N--6--C--N~
( ~ --23) l3 = ~ = l3 ~ SOa H
H0 S~ S S \~9 S03H
( 11 --2 4 ) CH2=CH ~ CH=CH2 CH2=CH / 11 lCl N<CH=CH
S S
2 ~ ~
: :
: ~ :
H2~ / Cl~2 2~>N C NH (CH2)2 NH C N\CH2 ..
- ~ ~
':
~ . . . . ~, .
3~7 ( 11 - 26) S S
Il 11 ( Il - 27) CX2 = CH--CH2 ~ ~CH2--CH = CH
CH2 =CH~ U2 / 6 D \cH2--CH=CH
S S
( ~ - 28) 2 9 ) ~ ~NCSNHNHCS--NH2 :
.
( 11 - 3 0 ) .
CH3 ~ / CH3 U ~NCSNHNIICS--N~
( ~ --31) :
: ::
.
.
. ~ :
: ~ : , . `. -i~',, .~
,, , ~ ; :
~ , :.. ` . . .
.
~6 5 3~7 ( ~ - 32) ~2H5 ~ ~ C2H~
H / NCSNHNHCS - N \ M
3) HzN , j NH2 H j NCSNH(CH2)2NHCS -N \ H
( ~ - 34) H2N -CSNH(CH2)2NHCS -NH2 ( ~ - 35) :
: H2N -CSNH~CH2)4NHCS -NH2 ::
36) H2N -CSNH(CH2)5NHCS -NH2 37) :: ~
\/ N - C - S - S - C - N / C N
, .. . . . - .; , .
:` : - , ~ :
, ~ ' .~. ~ - ' :' : ::
.: . , ,~
~5'3~77 3 8 ~
CH3 \ ~ CH3 CH ~N--C--S--C--N~ CH
S S
( 11 - 39) CH3 \ ~ CH3 N--C--S--S--C--N
S S
II - 40) C4H9 ~ ~C4ag N--C--S--C--N ~ ;
S S
( 11 --41) C4Hg ~ ~ C4Hg N--C--S--S--C--N
S S
4 2 ) c--s s--C - N~) S S
::
. ~
, ' ' ,,' ~
~ 26~i3~7 ( 11 4 3 ) ~1--C--S--S--S--S--S--S--C--N~>
S
- 44) C4Hg \ / C4Hs N--C--S--Se--S--C--N \
C4Hs / 11 11 C4Hs S S
( 11 - 4~) C~H3 \ / C4Hg N--C--S--Ni--S--C--N \
C4Hg / 11 1I C4~19 S S
,-Q~
N// [V] ~ EvI]
IRll R14 xl ( C ~ N--~--C ~ SYl [VII]
R R R
In the above formulae, Q represents a group of atoms necessary for forming a hetero ring c.ontaining 1 or more N atom (including -those having at least one 5- to 6-membered unsaturated ring fused thereto); A represents a group of the formulae:
R /R /R
Il, \R~ 2 ~ 1~ N\ , -~S ~ C-N\
~St~CH2~C-N~ , ~St~C~121~N/
, . :; , ' . .:
. "
.
' ~2653~7 ~R
~S~N~ , INH~C~2~NH~C_N~
~R
-S-M-S-C~N or -SZ';
Il \R ' or a hetero ring residue with nl valence (including those having at least one 5- to 6-membered unsaturated ring fused thereto); B represents an alkylene group having 1 to 6 carbon atoms; M represents a divalent metal atom; X
and X' represent =S, =O or =NR"; R" represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue (including those having at least one 5- to 6-membered unsaturated ring fused thereto) or an amino group; Y
represents /N- or /CH-; Z represents a hydrogen atom, an alkali metal atom, an ammonium group, an amino group, a nitrogen containing hetero ring residue or -S-B-Y\ 5, Z' represents Z or an alkyl group; Rl represents a hydragen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue (including those having at least one 5- to 6-membered : unsaturated ring fused thereto) or an amino group; each of R2, R3, R4, R5, R and R' represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxy group, a carboxy group, an amino group, an acyl group : ~ having 1 to 3 carbon atoms, an aryl group, or an alkenyl group, with proviso that R4 and R5 may represent -B-SZ, and R~and Ri, R2 and R3, R4 and R5, respectively, may be :: mutually cyclized to ~orm a~hetero ring residue ~: 25 ~(including those having at least one 5- to 6-membered r 7 : unsaturated ring fused thereto); R~ and R' each represent ; ~ a group of the formula:
: ~ :, ~. . . :
~ 8~ ~7 R R
~ (G)~ , ~ (G)~ or ~ ~-R9 (G~9 R9 represents an alkyl group or -~CH2)n S03~ (~hen R8 is -~CH2)n8S03~, Q represents 0 or 1); G~ is ~n anion; ml to m4 and nl to n8 each represent integers of 1 to 6; m5 represents an integer of 0 to 6; R
represents a hydrogen atom, an alkali metal atom, a group of the formula: -S-C Ql or an alkyl group; Q' is the same as the above Q; D
is a mere bonding linkage, an alkylene group having 1 to 8 carbon atoms or a vinylene group; q represents an integer o~ 1 to 10; the plural number oE D may be either the same or difEerent; the ring Eormed togçther with sulEur atoms may be Eused fur~her to a S- to 6-mem~ered ~nsat~r~d ring: X1 rep~e~en~
COOM` -~H -~03M'~ -CONH2~ -52~ Nl~2' 1~ _C02R16, _so2Rl6, _oR16~ --NR15R17 --S~,16, --so Rl~ ' -NEICOR 6, -NHS02Rl~, -CORl or -OS02R16; Y
repre~en~ a group of th~ formula:
~,11 R14 ~c~X ~SNR
~1~ \ al3 \R
: or a hydrogen a~om; m' and n' each repres~nt an : integer of 1 to 1~; R~ 14 R15 ~11 a~d ~1 ~each represen~ a hydrogen atom or a lower aLkyl : ~ ~5 ~ ~roup; R13 represen~s a hydrogen a~oln, a lo~e~ alkyl gr~oup o~c a group Oe the f rmula:
gr~p o~th~ formula~ C ~ X~ R16 r~presents a ~h ~ lowe~ alk~ oup; R19 represents -NR20R2~ R~2 ': :`, ' ,~, i3~
-SR22; R20 and R21 each represent a hydrogen atom or a lower alkyl group; R22 represents a group of atoms necessary for formation of a ring by linking to R18; R20 or R21 may be linked to R18 to form a ring; M' represents a hydrogen atom or a cation;
said compounds of the formula [I] - [v] including enol derivatives and salts thereof.
Thus, the present inventors have studied intensively with partlcular interest the phenomenon that a light-sensitive high sensitivity microparticulate silver halid~ color photographic material of at least three layers having black colloid silver as the halation preventive layer and containing at least û.5 mole % of silver iodide is markedly poor in bleach~
fixing characteristic, and consequently found that desilveri~ation can sufficiently be effected even with a bleach-1~ fixing solution containing an organic acid ferric complex,provided that the total amount o-f sllver coated in the light-sensitive material a~d the emulsion layer thlckness are within certain values and the fllm swelling speed Tl/2 o the binder is 25 seconds or less. Further, when it is processed with bleach-2~ fixing solution in which specific compounds according to the .~ present invention are combined, the bleach-fixing completion time ~f the color light-sensitlve material containing silver iodide to be processed was found to be further shortened. Particularly, when the photographic constituent layer in the silver halide emulsion of the photvgraphic material becomes thinner than a certain value accordlng to the present invention, the bleach~
fixing characteristic was found to be markedly improved to improve bad desilverization.
Further, surprisingly, the present inventors have found the fact that, as the molecular welght of the organic acid of the organlc acid ferric complex becomes:greater, the bleac~ing accelerating actlon is increased due to smaller binder film swelling speed of the photographic constituent layer (gelatln filmJ, whereby the bleaching time can be markedly shortened. On .
_ g _ .~ , .
.: :
~ ~ , ~, -: , ';
~5377 the other hand, it has also been found that, as the molecular weight of the organic acid of the organic ferric complex becomes smaller, the bleaching accelerating action due to reduction in thickness of the photographic constituent layer (gelatin film) increases, whereby bleach-fixing time is similarly markedly shortened.
More specifically, as the molecular weight of the organic ferric complex becomes greater, the oxidativP power of silver is generally increased, but the action of hardening the film constituting the photographic constituent layer also increases, whereby diffusion penetration of the bleach-fixing components is markedly lowered to cause interference with bleach~
fixing, which becomes greater in proportion to the thickness of the photographic constituent layer. However, no such 1~ interference occurs, when the gelatin film has the characteristic of very poor film swelllng speed. In contrast, an organic acid ferrlc complex with smaller molecular weight may be weakened somewhat in oxidative power of silver, but interference with bleach-fixing is also small. ~ence, it has been found that, 2U provided that the photographic constituent layer is thinner than a certain value according to the present invention, or the gelatin film swelling speed is large similarly as above, substantially sufflcient bleachi~g power can be obtained.
2r Further, interference with bleach-fixing intensified due to marked bad desilverization occurs at the boundary port~on between the black colloid silver containing halation preventive layer and the silver iodide containing silver halide emulsion layer, when the fllm thickness of the photographic constituent layer of the color light-sensitive layer containlng silver iodide .
;' ~ .
. .,.~.
-. . ..
~.'' . ' :
., ' :
~ ~6~ 7~
B becomes greater, r~5 also found to be alleviated by making the thickness of the photographic constituent layer -~ a certain value or lower according to the present invention and accelerating the gela-tin film ~e~a~
swelling speed to a~ level or higher.
Thus, according to the present invention, an epoch-making bleach-fixing method has been found, in which the bleach-fixing characteristic ~ill not ~ impaired by use of an organic acid ferric complex with any molecular weight.
According to a preferred embodiment of the present invention, the photographic constituent layer of the color light-sensitive layer has a film thickness of 22 ~m rtl~h~rl~
or less, p~u~ir-~y preferably 20 ~m or less, the film swelling speed of binder Tl/2 is 20 seconds or less, particularly preferably 15 seconds or less, most prefer-ably 10 seconds or less, and the aforesaid bleach-fixing accelerator and the organic acid forming the organic ferric complex are those as mentioned below. The objects of the present invention were found to be accomplished more effectively by satisfying these requirements.
(1) N - N (2) N -IrSH
~ ~ ~ ,N
(3) H2N-IC-~HNH-C-NH2(4) H~ CH2 ICH CH2S
S S OH
(5) HS-CH2CH2-COOH(6) C2H5\
~ NCH 2 CH2 - SH
(7) H3C\ (8) C2H5\ ~,NH
H3C /NCH2CH2-5-C\
, .
.
., ... . , , . ~.
,:
, ~ ..
,, , ~'' ' :
37~
(9) H3C~ ~NH
~NCH2CH2-S-C~
(10) C2H5 C2H
~NCH2CH2-S-S-CH2CH2N~ 5 (11) CH3~ ~CH3 ~NCH2CH2-S-S-CH2CH2N~
.
~12) CH3~ NCH3 (13) CH3 NCH3 ~NCH2CH2-S-C~ )NCH2CH2-S-C~
(14) CH3~ ~NH
~NCH2CH2CH2NH-C-CH2-S-C~
(15) C2H5~
NCH CH CH NH-C-NH-SH
(16) CH3~
CH / 2CH2NH-~C~-SCH3 (17) CH
CEI ) C~2CH2 S ICl N~CH3 (18) CH3 \NCH CH -S-C-NHCH
: :: CH3/ 2 2 11 3 ~ : ~
(19) CH3~
-ll ScH3 : 3 o :: (20)CH2CH2-SH (21) ~S~ (22) ~ :
N~CH2CH2-SH ~ J ~ :
-S~ ~ S~ S~_,S
:: :
,`:
, '`''''. ''' ,~
- :' ~ ..,. ' :: .
..
'' .:,. '- , : .:
~265377 (23) t ~CH2cH2s02cH3 ~
(24) / /CH2COO~ ~
t 2 2 \CH COOH )2 (25) HN~
(26) HN~
C-SCH CH -N-CH CH CO CH 2HCl ~27) / OH
_ SCH2CH2N~ 3 2 \ OH
(28) HSCH2CH2NHCH2CH20H
(29) HSCH2CH2-l-CH2CH2H
:
(30) /CH2cH2s2cH3 : ~ (31)~ Diethylenetriaminetetraacetic acid :(32) Cyclohe~anediaminotetraacetic acid (33) Triethylenetetraminehexaacetic acid : (34) ~Glycoletherdiaminetetraacetic acid 35~)~ 1,2-Diaminopropanetetraacetic:acid (:36) 1~,3-Diaminopropane-2-ol tetraacetic acid :(37) Ethylenediaminedi-o-hy~droxyphenylacetic acid ::(38) Ethylenediaminetetraacetic~acid~
:
:
;:
.
:
, ~
.. :.......... .
: : ~
~:65377 (39) Nitrilotriacetic acid (40) Iminodiacetic acid (41) Methyliminodiacetic acid (42) Hydroxyethyliminodiacetic acid (43) Ethylenediaminetetrapropionic acid (44) Dihydroxyethylglycine (45) Nitrilotripropionic acid (4Ç) Ethylenediaminediacetic acid (47) Ethylenediaminedipropionic acid Further, as the most effective embodiment, it has been found possible to accomplish the above objects of the present invention according to the processing method, in which a fixing processing is applied as the pre-process-ing step before the bleach-fixing processing after the color developing processing~ In the following, this fixing processing is called pre-fixing processing or pre-fixing, and the processing solution to be used for said pre-fixing processing is called pre-fixing solution or pre-fixing processing bath or pre-fixing bath.
In the following, the present invention will be explained i~ more detail.
For the hydrophilic binder to be used for coating of silver halide in the light-sensitive silver halide color photographic material, gelatin is usually employed, but a polymer may sometimes be employed, and the film swelling speed Tl/2 is required to be 25 seconds or shorter. The film swelling speed Tl/2 can be measured according to any method known in this field of the art. For example, it can be measured by use of a Swellometer of the type as disclosed in A. Green et al, Photographic Science and Engineering, Vol. 19, No. 2, pp. 124 - 129. Tlj2 is defined as the time before reaching l/2 of the saturated film thickness which is 90 % of the maximum swelled film thickness, when processed in a color developing solution , . . .
" :
:.: :. .. :
~2~i5~
at 30 C for 3 minutes and 15 seconds. (see Fig. 1).
The film swelling speed Tl/2 can be controlled by addition of a film hardening agent to gelatin as the binder.
Film hardening agents may include an aldehyde series, an azilidine series (e.g., as disclosed in PB report No.
19,921, U.S. Patents No. 2,950,197, No. 2,964,404, No.
2,983,611 and No. 3,271,175, Japanese Patent Publication No. 40898/1971, Japanese Provisional Patent Publication 10 No. 91315/1975, etc.), an oxazole series (e.g., as disclosed in U.S. Patent No. 331,609), an epoxy series ~e.g., as disclosed in U.S. Patent No. 3,047,394, West German Patent No. 1,085,663, Great Britain Patent No.
1,033,518, Japanese Patent Publication No. 35495/1973, etc.), a vinyl sulfone series ~e.g., as disclosed in PB
report No. 19,920, West German Patents No. 1,100,942, No.
2,337,412, No. 2,545,722, No. 2,635,518, No. 2,742,308 and No. 2,749,260, Great Britain Patent No. 1,251l091, U.S. Patents No. 3,539,644 and No. 3,490,911, etc.), an 20 acryloyl series ~e.g., U.S. Patent No. 3,640,720, etc.), a carbodiimide series ~e.g., U.S. Patents No. 2,938,892, No. 4,043,818 and No. 4,061,499j Japanese Patent Publication No. 38715/1971, etc.), a triazine series (e.g., West German Patent Publications No. 2,410,973 and 25 No. 2,553,915, U~SO Patent No. 3,325,287, Japanese Provisional Patent Publication ~o. 12722/1977, etc.), a polymer type ~e.g., Great Britain Patent No. 822j061, ~U.S. Patents No. 3,623,878, No. 3,396,029 and No.
3,226,234, 3apanese ~atent Publications No. 18578/1972, 30 Mo. la579/1972 and No. 48896/1972, etc.), and others such as a maleimide series, an acetylene~series, a methane sulfonic acid ester series (N-methylol series) may be ~mentioned, which may be used alone or in combination with two or more of the abo~e. Preferable combinations may be 35~ mentioned as disclosed in West German Patent Publications .. .
, . --: ,; ~ . :
: -:; ,, :
:
:, ;, . ,:, i53~
No. 2l447,587, No. 2,505,746 and No. 2,514,245, ~.S.
Patents No. 4,047,957, No. 3,832,181 and No. 3,840,370, Japanse Patent Publications No. 43319/1973, 63062/1975 and 127329/1977 and Japanese Patent Publcation No.
32364/1973.
The binder in the photographic constituent layer to be used in the color photographic material of the present invention should have a film swelling speed Tl/2 of 25 seconds or less, which should preferably as small as possible. Its lower limit should be 1 second or more, since troubles such as formation of scratches may be caused, if it is too small. More preferably, it should be 2 seconds to 20 seconds, particularly preferably 15 seconds or less, most preferably 10 seconds or less. If it is greater than 25 seconds, desiliverization, namely the bleach-fixing performance will be deteriorated.
Particularly, such deterioration will noticeably occur when a low molecular weight organic acid ferric complex is used, or even when a high molecular weight organic acid ferric complex may be used at a higher concentration.
The bleaching accelerator of the present invention is represented by the above formulae ~I] to ~VII], and typical examples thereof are enumerated below, but the present invention is not limited thereto.
' :: :
" ' :: .
: ; . . --:~: ,.:
.. : : : ...
., .
.: : -;3 [Exemplary compounds]
2 ) Cl18 /~ N i~ N )=
CH2 CH2 S03 K CH2 C82 SO~ K
( I - 3 ) ( I -- 4 ) N > ~ N >~
( I - 6 :
HOCH2CH2 ~, S S
CH~ ~ N> CH3 /~ N >=
CH2COOH CH2CH2CH2COO}I
.
~ , :
,., :
i3~77 ( I -- 7 ) ( I -- 8 ) HQO~
S > CH~ ~ I
CH2CH2 CH2COOHCH2 ( CH2 ) ~,~QOH
( I 9 ) ~'S >=S ~,['S >~ S
HOOCCH2 I H~C200C ~Nl CH2COOH CH2 (CH2 )3COOH
I ~ 11) ( I - 12) C!l3~N N O S 1N>
~3\COOH CH3 HOOC~N>=S ~; ~ ~ >=S
2 ~3 ~ CH2CH2GH2503Na ,.. : ,. . . , .. . ~
, . , . , , . ,. .. -, .
" ~ . ,.. -.: ; - ~ .
, ~ . . .. ..
:. ~ ... ....
. ~ .. . ..
~L2~3~7 ( I - 15) ( I --16) CH2CH2COOH KO3S(CH2 )~S ~S >=
N >= S N~N
( I --17) ( I --18) >= S ~3 N~N ~NI >= S
S03 Na CH2 CH2 COOH
( I --19) ( I _ ~0) ~ kS >= s N
N--N >= HOOCCH2 ( I - 21) ( I --22) ;~tH2 ~ S> ~ NG~CH;~S~S
I
CH2COOH :; ~ ; CH2CH3 , .
.. ..
. . ;
,,, . ~;
.. .
, ~ ,. ;
.- .. ; ~
; .
iL2 6 5 3 7 7 ( I -23) ( I -24) HQCCCH2) S ~ CH ~CH2CHZ~S >=S
o `N o N
( I - 25) ( I - 26 CH2CH2COOH ~ N - NH2 [~Nl ~ S N" HN ~ S
( I - 27) ( I - 28 ::
~ CH3 ~ N - NH2 C2Hs ~ N - NH2 N`N 1 S `N 1 S
H H
:
29) ~ 30) N - NHCOCH3 CH~ ~ N - NHCOCH3 `H 1 S : H S
,~
- - , -- . .~ .~ .. . . . ..
.... ..
, .; :
-, ~
`, ... . .
. ,., .~
. `~ .
.. , '` - :.
., . ` . .
~;265377 ( I - 31) ~ I - 323 CH3 ~rl NNCOC2Us C2Ns~ --N.2COCN3 ( I -33) ( I -34) C2Hs~rN--NHCOC2Hs H ~S
N~ N 1 S N =<
( I --35) ( I --3B) HN--NH C CH80lrN{>
N~N S 3C S/~S~
H
( I --37) ~ ( I --38) :
O ~ H~C--N--N--CH~
: S S ~ S S S
:: :
H2N--C--C~--Nl~ N C--C-R<H ~ ~ ~
:
, ~537 ( 11 - 3 ~ ( ~ 4 ) CH3 \ /CH3 C~3 \ /C3~7 / N C--6--N \ / N -- C C ~ N \
s s s s (~ - 5 ) (~ 6 ) CH3 \ /CH3 C2H5\N /C2~5 CH3 / 11 11 \CH3 C~IS/ 11 11 \C2H5 s s s s (11 - 7 ) ~II - 8 ) CH3 j /C2H5 /C6H1 CH~ 11 11 \C2H5 11 11 \C6H 3 s s s s ( 11 ~- ~ ) ( Il - 1 0 ) ~3>N C C N ~ CN C C N~
H 11 11 ~ 11 11 s s s s :
.
r~ C~
N C C N O ~ N C C N
CH3 / 11 11 ~/
s s ~ s s .
,. .. ... . .
. ~. ~ ..
,....... . ,. ~ ~ ; . . .
. ~, . . . .. ... ~ . ~
~L~ i3 7 7 ( ~ - 13) ( ~ - ~4) H2N ~ NJ L- N C ICI NJ
s s s s ( ~ - 15) ( ~ - 16) H2N C C N'1 CN~C C N'1 Il 11 ~s 11 11 ~o s s s s ( ~ - 17) ( ~ - 18) CH3 ~ rn HOOCCH2 \ j C~12COOH
~,N ~ N ~ H / N ~ 1- N \ H
S S : S S ~ ;
19) ~ ~
: ~ :
~1 OH : IH
: HOCH2CHCH2 ~ CH2CHCH20H
H > N -C - C - N \ H
S S
::: ::
: ;HOOCCH2 ~ ` ~ CH2C~OH
NOOCCU2~ > ~ ~11 11 \ CN2COOH
:
- . ~....... . .. . , ,~...... ..
,. ~ ' . :~, , :
- ~. , ... ~
, . , : . "
: : .~ - . , .
:`- . , :,', ~ ~ . --, , ; ~ - ;: ` : :
3~7 2 1 ) HOCH2CH? ~ ~CH2CH20H
N--C--C--N
S S
( 1~ - 22) /~ / \
~<N--6--C--N~
( ~ --23) l3 = ~ = l3 ~ SOa H
H0 S~ S S \~9 S03H
( 11 --2 4 ) CH2=CH ~ CH=CH2 CH2=CH / 11 lCl N<CH=CH
S S
2 ~ ~
: :
: ~ :
H2~ / Cl~2 2~>N C NH (CH2)2 NH C N\CH2 ..
- ~ ~
':
~ . . . . ~, .
3~7 ( 11 - 26) S S
Il 11 ( Il - 27) CX2 = CH--CH2 ~ ~CH2--CH = CH
CH2 =CH~ U2 / 6 D \cH2--CH=CH
S S
( ~ - 28) 2 9 ) ~ ~NCSNHNHCS--NH2 :
.
( 11 - 3 0 ) .
CH3 ~ / CH3 U ~NCSNHNIICS--N~
( ~ --31) :
: ::
.
.
. ~ :
: ~ : , . `. -i~',, .~
,, , ~ ; :
~ , :.. ` . . .
.
~6 5 3~7 ( ~ - 32) ~2H5 ~ ~ C2H~
H / NCSNHNHCS - N \ M
3) HzN , j NH2 H j NCSNH(CH2)2NHCS -N \ H
( ~ - 34) H2N -CSNH(CH2)2NHCS -NH2 ( ~ - 35) :
: H2N -CSNH~CH2)4NHCS -NH2 ::
36) H2N -CSNH(CH2)5NHCS -NH2 37) :: ~
\/ N - C - S - S - C - N / C N
, .. . . . - .; , .
:` : - , ~ :
, ~ ' .~. ~ - ' :' : ::
.: . , ,~
~5'3~77 3 8 ~
CH3 \ ~ CH3 CH ~N--C--S--C--N~ CH
S S
( 11 - 39) CH3 \ ~ CH3 N--C--S--S--C--N
S S
II - 40) C4H9 ~ ~C4ag N--C--S--C--N ~ ;
S S
( 11 --41) C4Hg ~ ~ C4Hg N--C--S--S--C--N
S S
4 2 ) c--s s--C - N~) S S
::
. ~
, ' ' ,,' ~
~ 26~i3~7 ( 11 4 3 ) ~1--C--S--S--S--S--S--S--C--N~>
S
- 44) C4Hg \ / C4Hs N--C--S--Se--S--C--N \
C4Hs / 11 11 C4Hs S S
( 11 - 4~) C~H3 \ / C4Hg N--C--S--Ni--S--C--N \
C4Hg / 11 1I C4~19 S S
6) C4Hg \ C4Hg ~N--C--S--Zn--S--C--N <
C4Hs ~ 11 11 C411s S S
( 11 - 4 7 ) .
N: CH3 \ / CH3 Cll / N--1l--S--Zn--S--CIl--N \ cH3 : S ~ S
:: : :; :
:: :: ::
:: :
., :
- . .
.
,,:
~-:
: :-~6S37'7 C2Hs \ / CH~
N--C--S--Zn--S--C--N \
C~Hs / 11 11 c~3 S S
( Il 4 9 ) C2Hs \ C2Hs C H ~N--C--S--Te--S--C--N <C H
S S
( ~ - 50) CH3 ~ ~ CH3 N--C--S--Cd--S--C--N ~ :
S S
( ~ - 51) :
G~--C--S--Zn--S--C--N~) Il 11 S S
( 11 -- 52 ) C2Hs \ /C2Hs ~N 1l S--Zn--S--:CI--N ~
;
: :
:
.
; ~; ; ' :: : "',~ ' ~:
2~i537'7 5 3 ) C2H5 \
/ N--C--S--N~) S
5 4 ) C2Hs C H /N--C--S--( n - ~5) CH >N--C--5--N~
S
t 11 --56 C2~5 \
,N--C--S-- Na C2H5 ~ S
5~1 ) C--S--Na :
::
.
.-.....
, ~ . ,, : . j., .
, ., , .. " ,. . .~. .. ~, .. .
- ::.
~2~S3~7 8 ) Q~l-C-S-S~
S S
( 11 - 59) CH~ ~N--ll--S--S--6--N ~3 CH3 S S
( ~ --60) CN >N-C--S-N<
( 11 - 6 1 ) C N5~N--C--S--N<
( 11 - 6 2 ) :
: ~ C Hs~N~C--S--N<
:
, . .
--, .. ..
.
.
. ... . .
. . . . .
;53'77 ( 11 - 63) C2Hs~ N--C--S--NH2 4 ) C~l > N--6--S--NH4 ( ~ - 6~) C~
CH3 /N ICI S--N~ O
(`11 --66) Il 11 S S
( Il --6 7 ) CH3--N--C--S--C = N--CH3 S S
N~ Na , . , ~ ~:
. . .. . .... . .. ... .. .
..... . .. ... .
; ~
. . .
2 ~i3~Y
( ~ - 68) C2H5 - N = C - S - C = N - C2H5 Il 11 S S
Na Na ( 11 ~ 69) CB~N--C--S--N<
( ~ - 70) CH > NCH2CH2NHCSCN3 ( ~ - 71) CH > NCH2CH2NHCSCN2COON
2~
C N ~ NCS2CNzCN~N8CSC~Ns :
.. '. .
` . .
~ . ~ . . .
~6~ 7 7 ( ~ - 73) ~H3 \
CH3 / NcH2cH2c~2NHcscH
( ~ - 74) CH3 > NcH2cH2cH2NHcscH2cH2oH
( ~ - 75) S
( ~ - 76) HocN2cH2NHcH2cN2NH - C - 5cH2cH2N ~CH
C4Hs ~ 11 11 C411s S S
( 11 - 4 7 ) .
N: CH3 \ / CH3 Cll / N--1l--S--Zn--S--CIl--N \ cH3 : S ~ S
:: : :; :
:: :: ::
:: :
., :
- . .
.
,,:
~-:
: :-~6S37'7 C2Hs \ / CH~
N--C--S--Zn--S--C--N \
C~Hs / 11 11 c~3 S S
( Il 4 9 ) C2Hs \ C2Hs C H ~N--C--S--Te--S--C--N <C H
S S
( ~ - 50) CH3 ~ ~ CH3 N--C--S--Cd--S--C--N ~ :
S S
( ~ - 51) :
G~--C--S--Zn--S--C--N~) Il 11 S S
( 11 -- 52 ) C2Hs \ /C2Hs ~N 1l S--Zn--S--:CI--N ~
;
: :
:
.
; ~; ; ' :: : "',~ ' ~:
2~i537'7 5 3 ) C2H5 \
/ N--C--S--N~) S
5 4 ) C2Hs C H /N--C--S--( n - ~5) CH >N--C--5--N~
S
t 11 --56 C2~5 \
,N--C--S-- Na C2H5 ~ S
5~1 ) C--S--Na :
::
.
.-.....
, ~ . ,, : . j., .
, ., , .. " ,. . .~. .. ~, .. .
- ::.
~2~S3~7 8 ) Q~l-C-S-S~
S S
( 11 - 59) CH~ ~N--ll--S--S--6--N ~3 CH3 S S
( ~ --60) CN >N-C--S-N<
( 11 - 6 1 ) C N5~N--C--S--N<
( 11 - 6 2 ) :
: ~ C Hs~N~C--S--N<
:
, . .
--, .. ..
.
.
. ... . .
. . . . .
;53'77 ( 11 - 63) C2Hs~ N--C--S--NH2 4 ) C~l > N--6--S--NH4 ( ~ - 6~) C~
CH3 /N ICI S--N~ O
(`11 --66) Il 11 S S
( Il --6 7 ) CH3--N--C--S--C = N--CH3 S S
N~ Na , . , ~ ~:
. . .. . .... . .. ... .. .
..... . .. ... .
; ~
. . .
2 ~i3~Y
( ~ - 68) C2H5 - N = C - S - C = N - C2H5 Il 11 S S
Na Na ( 11 ~ 69) CB~N--C--S--N<
( ~ - 70) CH > NCH2CH2NHCSCN3 ( ~ - 71) CH > NCH2CH2NHCSCN2COON
2~
C N ~ NCS2CNzCN~N8CSC~Ns :
.. '. .
` . .
~ . ~ . . .
~6~ 7 7 ( ~ - 73) ~H3 \
CH3 / NcH2cH2c~2NHcscH
( ~ - 74) CH3 > NcH2cH2cH2NHcscH2cH2oH
( ~ - 75) S
( ~ - 76) HocN2cH2NHcH2cN2NH - C - 5cH2cH2N ~CH
7~
CH3 : :CH3 CH ~> NeN2~12CR2NN - C - SCN2CN:N <CN ~ :
~: : : : : `: :
:
~:
.,i "
` :` , , ~2 ~5 3 7 7
CH3 : :CH3 CH ~> NeN2~12CR2NN - C - SCN2CN:N <CN ~ :
~: : : : : `: :
:
~:
.,i "
` :` , , ~2 ~5 3 7 7
8) H0CH CH > NCH2CH2CH2NHCSCH2CH2COOH
S
( ~ - 79) CH~ >NCI12CI12CH2NHCSCI12CHzS0311 ( ~ - 80) CH 0CN CN \/ NCH2CH2CH2NH - C - SCH2CH2NH2 S
81 ~ ~
CH > NCN2CH2~CH2NH -ICl- SCH2CH2~N2N <C~l ` ~ ~ S
:
:
"
... * - , ~ .:, 3! 265377 ~ 36 -2) C2Hs\ C2Hs ~ H / NCH2CH2CH2NHC - SCH2CH2CH2S - C~ NHCH2CH2CH2N< C ~1 ( ~ - 83) CH > NCH2CH2CH2 - S- C - NHCH2CN20H <CH
4 ) CN3 \ /CH2CH20H
,NCH2CH2 S--C--N ~
CH~ CH2CH20H
S
( ~ ~ %5) CH > NCH2CH~SC- NHCH3 S
( 11 ~-- 8 6 ) CH > NCH2CN~CH25 - C - NHCH3 S
:
~
. ~ .
.. , . . .. .. : ~.,...... .. ~ , .
:~ .. .,.. ; ~ ~ , 3L~ 6i53~7 ( Il - 8 7 ) CNCH~CH2NH--C--SCHZCOOH
s B 8 ) O NCH2CH2CH2NH --C--SCH2CH2--N <CU
( 11 --89) N
(~ ~CHz--~UNU --C--S--CUzCH2CU2SO3H : :
CO~H S
( 11 -- 9 0 ) :
~ COON S
:
CN >NCU2CU2NH--C--SN~
:
., . ~, . ,. ` . . ,.. ;
.. ~ ...... .. ~ .
2 ~;3 7 3~ -92) ~H3 \
S
( ~ - 93) N - CH2CH2NH - C -S - Na S
( ~ - 94) CH3 \ CH3 GH / N - CH2CH2NH - C- S - S C - NHCH2CH2 - N < CH
S S
- 95) CH3 ~
NCH2C32Ca2NII -ICl- S - S - I-NHCH2CH2GH2 - N O
96) : ::
C22C12NS - C - S -Cf2 CN2 - N < C23 :
, .
- ~ :.. ; ~ .
..
.. : .. : -3~7 ( 11 9 7 ) Il s ( n ~ 98) C~13 ~
CH3 ~-- S
( 11 - 99) N ~
~N ~ CH2 CH -- NH--C--SCH2 CH~ - N O
COOH S
( 11 - 1 0 0 ) CH~
CH3 > NCH2 c~2 N~l lclscH3 O
: CH3 CH3 > 11 o :
~ ~ :
`
. .. . . .
.. .. . ~ . ` . ` `
` ~ " ~' `' .'```.'``` ` `;,. `` `-` , :
3~6~3 7~
-- ~o --( ~ - 102) CH3 ~
CH / NCH2CH2CH~SCNHCH3 o ( n -103) C H5~ NcH2cH2cH2NHcsc2Hs ( ~ - 104) HOCH2CH2NHCH2CH2NHCSCH2CH2N < C1~3 O
I05) CH3 > NCH2CH2CN2NH CSCH2CH2N < CH3 : ~ .
CH3 > NcH2~H2cH2s;cNaca2ca2 O
:::: : ` :
::
:
: ~ ~ r : ~ :
. ~
.2~;377 1 0 7 ) o ( 11 --108) H
<~ ~ CH2CH2NH CSCH2CH2N <~H3 t II - 109) r--L N--c~n2cH2NHcscH2cûû~n ( 11 --110) /--~ NCH2CH2NHCSCH2COOH
: O
1::( 11 ~ :111 ) ( 11 --I 12 ~
::
~ N~)L ll-NN2 ~ ~ ~
:: :
~ :
.
': '`
. ' ~ 2~S~77 ( 11 - 113) ( ~
O ~
~` N--C--CH il Il I 11~ 0~--NH2 N--C--NH2 ~N ~\NH2 S
t 11 - 115) ( 11 - 116) C--OH H2 N--ICI \~f/y lCI--NH2 C--NH2 S~"N ~, S
11 - 1 1 7 ~ 1 1 8 ) NzN~ ll_NN2 ~C-NN2 :( 11 -: 1 19 ) ( 11- 120) 1~1 ~C--:NH2 S= C=NH2 0--C:~G--OH ~ ~ ~C--NU2 :~
N, N -G ~ C--Nl2 :: ~ :
:
:
'' ~` ~ .' ~' `;`'` ` "'"`' ' ~26537~
- 123) ( Il - 1~43 H2N--6~,N ~ S S
S ~N~ H2N--C ~C--NH2 C--NH2 H2N--C ~N/~C--NH2 S S S
( 11 - 125) ( 11 - 1~6) ~`-~ C--NH ~ ICl--Nl12 ( ~ - 1 2 ~ 8 ) S S
NH2 H2N--C ~3~C--NH2 S S S
( 11 - 129) ( 11 - 130) H2N ll~,"N yC--NH2 ~NH2 S=C--NH2 H2N--C C--NH2 ., .
.. . . .
. .
. . -.
`,~
~' , '.'` ~ `
:- ... . .
:~2~37 -- ~4 --1313 (II -132) N N--CH3 ,~ C--NH2 li N=N
S
(11 -133) (11 -134) , --NH2 ~N?( 5 - NH2 S CQ
( 11 - 1 3 5 ) ( 11 - 1 3 6 ) S
(11 --137) ~ --138) 12N~ N N--C--NN2 ~L~I/ 2 :
: : :
:
:: ` ` : .,. ' . .
' ~ '' ;' "
. .. ~ ~. .
. .. - ~ . ~ .
: .:
,; ` . : .:
i5377 ( 11 - 139) ( ~ --1'10) 80/~3/5 82N--~C~ \C-N82 ( 11 - 141) ( ~ - ~42) .
CH3 0 ~ S ~r OCI13 0 ~ N
H2N--C I L-S--NH2 C'H~CNH /~ ~C--NH2 S S ' S
(~ -143) li )~ ~C-NH2 CH3 C--0 N ll ( 11 --1 4 4 ) H2N--:~--S--~H2CH2--N <~'2n5 C2Hs~
,, ,~
:
. .:.
":. . .
. . - . . .
: : ~
~:6S3~7 ( II ~ 14~) H~N~ S--CH2CN2CH2--N <
NH
( 11 - 147) CH > N-- C--S--CH2CH2--N <CH
NH
( 11 --1 4 8 ) CH >N--CH2CH2-S-C ~N 3
S
( ~ - 79) CH~ >NCI12CI12CH2NHCSCI12CHzS0311 ( ~ - 80) CH 0CN CN \/ NCH2CH2CH2NH - C - SCH2CH2NH2 S
81 ~ ~
CH > NCN2CH2~CH2NH -ICl- SCH2CH2~N2N <C~l ` ~ ~ S
:
:
"
... * - , ~ .:, 3! 265377 ~ 36 -2) C2Hs\ C2Hs ~ H / NCH2CH2CH2NHC - SCH2CH2CH2S - C~ NHCH2CH2CH2N< C ~1 ( ~ - 83) CH > NCH2CH2CH2 - S- C - NHCH2CN20H <CH
4 ) CN3 \ /CH2CH20H
,NCH2CH2 S--C--N ~
CH~ CH2CH20H
S
( ~ ~ %5) CH > NCH2CH~SC- NHCH3 S
( 11 ~-- 8 6 ) CH > NCH2CN~CH25 - C - NHCH3 S
:
~
. ~ .
.. , . . .. .. : ~.,...... .. ~ , .
:~ .. .,.. ; ~ ~ , 3L~ 6i53~7 ( Il - 8 7 ) CNCH~CH2NH--C--SCHZCOOH
s B 8 ) O NCH2CH2CH2NH --C--SCH2CH2--N <CU
( 11 --89) N
(~ ~CHz--~UNU --C--S--CUzCH2CU2SO3H : :
CO~H S
( 11 -- 9 0 ) :
~ COON S
:
CN >NCU2CU2NH--C--SN~
:
., . ~, . ,. ` . . ,.. ;
.. ~ ...... .. ~ .
2 ~;3 7 3~ -92) ~H3 \
S
( ~ - 93) N - CH2CH2NH - C -S - Na S
( ~ - 94) CH3 \ CH3 GH / N - CH2CH2NH - C- S - S C - NHCH2CH2 - N < CH
S S
- 95) CH3 ~
NCH2C32Ca2NII -ICl- S - S - I-NHCH2CH2GH2 - N O
96) : ::
C22C12NS - C - S -Cf2 CN2 - N < C23 :
, .
- ~ :.. ; ~ .
..
.. : .. : -3~7 ( 11 9 7 ) Il s ( n ~ 98) C~13 ~
CH3 ~-- S
( 11 - 99) N ~
~N ~ CH2 CH -- NH--C--SCH2 CH~ - N O
COOH S
( 11 - 1 0 0 ) CH~
CH3 > NCH2 c~2 N~l lclscH3 O
: CH3 CH3 > 11 o :
~ ~ :
`
. .. . . .
.. .. . ~ . ` . ` `
` ~ " ~' `' .'```.'``` ` `;,. `` `-` , :
3~6~3 7~
-- ~o --( ~ - 102) CH3 ~
CH / NCH2CH2CH~SCNHCH3 o ( n -103) C H5~ NcH2cH2cH2NHcsc2Hs ( ~ - 104) HOCH2CH2NHCH2CH2NHCSCH2CH2N < C1~3 O
I05) CH3 > NCH2CH2CN2NH CSCH2CH2N < CH3 : ~ .
CH3 > NcH2~H2cH2s;cNaca2ca2 O
:::: : ` :
::
:
: ~ ~ r : ~ :
. ~
.2~;377 1 0 7 ) o ( 11 --108) H
<~ ~ CH2CH2NH CSCH2CH2N <~H3 t II - 109) r--L N--c~n2cH2NHcscH2cûû~n ( 11 --110) /--~ NCH2CH2NHCSCH2COOH
: O
1::( 11 ~ :111 ) ( 11 --I 12 ~
::
~ N~)L ll-NN2 ~ ~ ~
:: :
~ :
.
': '`
. ' ~ 2~S~77 ( 11 - 113) ( ~
O ~
~` N--C--CH il Il I 11~ 0~--NH2 N--C--NH2 ~N ~\NH2 S
t 11 - 115) ( 11 - 116) C--OH H2 N--ICI \~f/y lCI--NH2 C--NH2 S~"N ~, S
11 - 1 1 7 ~ 1 1 8 ) NzN~ ll_NN2 ~C-NN2 :( 11 -: 1 19 ) ( 11- 120) 1~1 ~C--:NH2 S= C=NH2 0--C:~G--OH ~ ~ ~C--NU2 :~
N, N -G ~ C--Nl2 :: ~ :
:
:
'' ~` ~ .' ~' `;`'` ` "'"`' ' ~26537~
- 123) ( Il - 1~43 H2N--6~,N ~ S S
S ~N~ H2N--C ~C--NH2 C--NH2 H2N--C ~N/~C--NH2 S S S
( 11 - 125) ( 11 - 1~6) ~`-~ C--NH ~ ICl--Nl12 ( ~ - 1 2 ~ 8 ) S S
NH2 H2N--C ~3~C--NH2 S S S
( 11 - 129) ( 11 - 130) H2N ll~,"N yC--NH2 ~NH2 S=C--NH2 H2N--C C--NH2 ., .
.. . . .
. .
. . -.
`,~
~' , '.'` ~ `
:- ... . .
:~2~37 -- ~4 --1313 (II -132) N N--CH3 ,~ C--NH2 li N=N
S
(11 -133) (11 -134) , --NH2 ~N?( 5 - NH2 S CQ
( 11 - 1 3 5 ) ( 11 - 1 3 6 ) S
(11 --137) ~ --138) 12N~ N N--C--NN2 ~L~I/ 2 :
: : :
:
:: ` ` : .,. ' . .
' ~ '' ;' "
. .. ~ ~. .
. .. - ~ . ~ .
: .:
,; ` . : .:
i5377 ( 11 - 139) ( ~ --1'10) 80/~3/5 82N--~C~ \C-N82 ( 11 - 141) ( ~ - ~42) .
CH3 0 ~ S ~r OCI13 0 ~ N
H2N--C I L-S--NH2 C'H~CNH /~ ~C--NH2 S S ' S
(~ -143) li )~ ~C-NH2 CH3 C--0 N ll ( 11 --1 4 4 ) H2N--:~--S--~H2CH2--N <~'2n5 C2Hs~
,, ,~
:
. .:.
":. . .
. . - . . .
: : ~
~:6S3~7 ( II ~ 14~) H~N~ S--CH2CN2CH2--N <
NH
( 11 - 147) CH > N-- C--S--CH2CH2--N <CH
NH
( 11 --1 4 8 ) CH >N--CH2CH2-S-C ~N 3
9 ) CH >N--CH2CH2--S--C ~ 2 5 (11 --l~iO) CH
> N--CH2CH2--S--C ~ N(CH2 )2CH3 CH3 NH ( CH2 1 2 CH3 > N--CH2CN2--5--C < N(CH~2 )ic2~1s : ~ CH3 ~ ~ NH(CH2)2C2H5 ::
f' :
- :` ., ,.` .,, :
.
. -.~ .. . . . .
- . .. : ~
. . . : . :
' ': ~: .~ ' .: ..
P~6S~77 - 47 ~
( ~ - 152) C~ > N ~ CH2CH2 - S C
( ~ - 153) CH > N ~ CH2CH2 ~ S ~ C ~ NH
( ~ - 154) > t~--CH2CH2--S--C ~ N~M(CH3 )~
CH3 . NHCH(CH3 )2 155) :
~ ~ ~ ; CH3 > N CH CH 5 ~ NCH~ C23~2 ~ ~
5 6 ) ; CH > NCH~CH2~H2NH - C - CH2-S-C ~ NH
C2Hs> N ~
.': .
,. . .,. "
.; ., '` ,': , : . '' ' , ;~ ., ', . ',',- ', .,,''' ' ' ',. ~ . . ~ :
.~- :, , , : . :
., :: :
i;537'7 ( 11 - 1~8) CH > N CH2 CH2--S--C ~ NH
( 111 - 1 ) ~m- 2 ) CH > N--CH2CR2--SH
( m - 3 ) :
C H > N--CH2CH2--SH ~ ~
( m - 4 ) ~2H5> N CH~CH2 SH
( m - 5 ) HOOC~ CH2CH2- SH ~ ~
J' ~ ~
' ~,,: ' ~ ' :
'' ~ `` ;~ ' :
~` ,, ~ ' :~ , ~ . ' , ' ' "; ' ' ' "' `' '.:' ' '~`
'' : ', :'`.. , , . ' `,: ~.
.~ . .'. :
~2653~7 4g (m- 6 ) HOCH2 > CHCH2SH
(m- 7 ) H2N > CHCH2SH
(m-s) (m-s) : C113 ( m - lo) :
: (m - 1l~
CH~ CH3 ~,N CH2C~ SH
, ::
~: :
,. .. . .. . . .... .
. .. . .
. "
. .. ~ , ~iS 3 7 7 ( m ~ 13) ( m - lO
r N - CH2CH2 - SH
N -(m - ls) (m - l6) : ~ N ~ CH2CH2 - SH ~ N - CN2CH2 - SH
:
~m-17) ~m-1 C~3 ~ I
i N CH2 - C - SH N- CH2CH2 - SH
m - l9) ( m - 20) , :
N~3 ; Nl=`N--CI2CN,--SN
, ~;3~7 (111-~1) (m-22) Cl2CH~ - SH ~ N~N
m-23) (m~
~ CH2CH2 - SH ~ ~
(m-2~) (m-26) CH2CHz - SH ~ CS2CH2 - S!l ~ ( m - 27) : ~ N - CH2 - CH - CH2 - SH
I
OH
HS - CH2CH2CU2CH2 - N ~ - CH2CH2~CHzCH2 - SH
, ~3L2~37'7 (m-2s) (m-30) C2Hs 1 (m-gl) (m- 3~) CH2C~12 -SH ~n~
~`N--CH2Ca2-SHHS--CH2CH2 CH2cH2-sH
( m - ~3 ) C2H > NcH2cH2--S--S--CH2CH2N <C2H5 ( m - 34 ) CH > NCH2CH2--S--S~CH2CH2N<C~3 , ~
: :
`: :
.
;.
--. .
.`, `.
( m - 35 ) C ~ C~ >N--CH2CH2--S--S--CH2CH2--N <C~ H
( m - 36 ~
~H CO > N--CH2 CH2--S--S--CH2 C112--N < COCH
( m - 3'1 ) ~ CH2CH2--SH
N ~ CH2CH2--SH
\ CH2CHz--SH
IV - 1 ) ~N~S~ 2 CH~ ~so~3 ( IY ~ 2 ) CH
~S3~N,~ 2~ CH3 ~3503(3- N20 CI13--N~<~N~3~S\~N-CH3- 2 CH3 ~3so3~ 1120 ", .. .. .
.; `. ~ .
: ~ : :. `
.
~L2~5377 4 ) (~)03 S tCH2~ N~N '~S > OEN--~ ~H2 )4SO3 (IV- 5 ) ~ N 3~S >~ ~ 2 Bl(3 C~13 (V- 1 ) (~- 2 ) : a ~: HS ~Sb,NHC--CH3 HS ~S~SCH20H
N--N N--N
: ( V - 3 ) ( V~ - 4 ) :
HS ~S~S--CIIzCNzON H5 ~5~$0il N--N N--N
, ~, i : . .;; . .; ......... :
.
... , .. ,.. ; ........ ..
26537'7 -- ~5 --(V- 5 ) ~V- ~ ~
HS l~s ~4~ CH3 CH3CNH ~N ~ SH
NE~CCH3 Il . . O
(V-- 7 ) (y- 8 ) ~¢N "1/ S~l ~¢N `\1/ SH
H2N~N CH3CNH pN
NH2 1I NHCCH~
O
(V- 9 ) (V-10) ~N ~ SH ~N ~1/ SH
~N ~,~N
Il O
( V - l l ) ( V - 1 2 j ~ ~ -~,N~f SN l~N~,I/Sa CH30 /~r C2H5Q ~N
OH : aH
: ~ ~
:
:;, :
.~ .
`..... ...
` :
. ." ~. ',.' ~
:- . :. ;
. ~ . .
, . .
~2~`
~D5i3 ;7 (V - 13) (V - 14) ca3 ~'(~N ~/~N
0~ 0~1 (Y - 15) tV--16) /SN ~ ,/Sll SCH20H ~o~
.
( V - ~ 7 ) ( V -- 1 8 ) N ~N ~/(r--N
SH SH
( V--l g ) ~ V --: 2 0 ) :: CH3 ~OH ; ~ `C~H5 3~ON
CH3 ; SH :~
:
:: :
.. . ....
; .
... ..
, i3~77 (V - 21) (V - ~2) OH rl~N ~/ OH
HûûC ~N CzH5C(~ N
SH SH
(V - ~3) (V - 24) ~¢N~/ ~ ~fN~OH
HOCH2 ~N ~r~N
SH SH
(V~25) (~-26) ~N~/ Sc2H5 H
HOCH2~y'N HO~C/~( ~ SH
S
( V - 2~) ( V - 28) Nl1035)~(N~ N~
~, ~
: : : , .... .. .
., ~,., :
, ... .
.. .. . . . .
.. . .
.` .
:, :
(V - ~) (V - 30) CH2CU2COOH ~ ~SH
(~( N ~ SH HOOC N
(V - 31) (V - 32) HOOCCH2, S S
~ N ~ N~03 S /~ N
(V - 33) (V - 34 ~)( N ~ NaO3S /~
COQH
( ~ 3~ ) ( V--36 ) CO~H SO3Na ~ ::
N~SH ; ~(N~SN
:
~ , , ~,' " . ' . ` :
. .., ~ , ~, . .:: .. ' . . ., . , :: ' _ 5 ~3~77 (V - 37) (V - ~8) OCH3 S~5 '3.00CCI12CIIz /~ N
NaO~ S SO3 Na (V - 39) H H
)~ ~ S--S ~\ N)~
( V - 4 0 ) :
NaO~S ~ 3 ( N ~ N ~ \ SO3Na ~
:; i V - ~ l ) ~OH COOH
~S ~ S--S
: 4 2 ) : ~ : : : ::
11S S ~ S(CH2)4SO3Na : ~
.. ~ :
: :` :: ::
' ' . ' ~ :
. . , .. . .. ~ . ... . .. .; ~
., , ~ ~ ... .
. .
.
. .
.. . . . .
( ~ - 43) ~ V - 44) HS ~ S ~ CH2~00H HS ~ S ~ COOH
(V --45) (V --4B) HOOCCH2 S HOOC ~ ,S
~ /~ SH rl ~ SH
CH3 '~ N CH3 ~`N
V -- 47) t ~ - 4~) HOOC ~ N CH3 ~ N
( V 49) ~ V - 50) H
~ ,~ SH HOOCCH2CH2CH2 N
HOOC'A` N ~ /~ SH
: N
:
~: ( V ~- 51 ) ~ I V - 52) N y CH3 ~ N~ y CN8 :~ : HS N \ CH2COOH HS N \ CH2CH2COOH
r: :
; . :
'' ~:
::
.:
... : ~ .
: i ' : ~ :
,. :
5~377 (V-'53) (V 54) N~N,N ~OOC S SH
c~3 (V--55) (V--~6~
~;3HS yS yNH2 0 N N S03 Na ,~- SH
HOOCCH2CH2/` N
(V - 57) (~ - 58) : :
HS y~0 HS yS~
N N SH
(V - 59) ~V - 60) HS y~_ Y ~I
:N NH2 N SH
(V~ 61~ (:V~-62)~
~ ~ :
~NH2 ~ NH2 HS ~ ~ ~ : : HS 1~ SH
:
.. . . .
. .
- , , ::~2~5i3 (V--63) ~ ~ 64) HS y~SH HS ~ SH
N NH~ N SO3Na (V - 65~ (V - 66) N--N N--N
IIS )~S ~ HS )~S ~1, CH3 (V -- 67) (V --6~) .
N--N N--N
HS )~S ~l\C2 H5 HS /I~S )I\ C~ N, ( V - 6~ 7 ::
N--N N--N :
HS /I~S )I\C4H9 HS ~S ~ C5Hl I
: ( V--7 1 ) ~ ~ V - ~ 2 ) : ~ :
, . ~., ~, , ,, `,~
.
.,. ;' ....... ~ , .. ~ ,.. .
~6~;37 (V - ~3) ~V - 74) N--N N--N
~15 /l~S~r H~S~
(V-75) (~76) N--N N--N
N~D HS/l~NJJ~NH2 H H
(V ~ 7~) (V ~ 78) US)~N~I USJ~N~\ CU3 NH2 NH2 :
(V-79) (V-gO) N--N N--HS N C2Hs HS y C3H
(V - 81) (V - 82) US /I~NJl\C41~ S)~INJl\NU2 NH2 : : ~: CH3 ~ ::
- ~6Ei4;53~7 V - 83~ ( V - 84) HS ~ N ~ NH2 HS ~ N) ~ NH2 C2Hs C3H7 ( ~ ~5) ~ V - ~6) HS ~ N ~ NH2 HS ~ N ~ CH3 C4Hs CH2NH2 ( V ~ 8~ ) ( V ~ 88) N - N N - N
NS ~ N ~ C2Hs RS~ NH2 C~2NH2 CH2CH2NH2 89) ~ V - 90) :
N N ~ - N
HS ~ N ~ NH2 HS ~ N ~ NH2 (CH2~2NH2 (CH2~4NN2 ( V - gl) O r: - 92) US ~ N ~ C~H7 35 ~ IN ~ C~N~
CH2C~2NH2 ~ ~ ~(CN2~3NHz r .
::
. .
`' :,~ '`, : :
.~., :
~: Ei5377 ( ~ - 93) ( ~ - 94~
N--N N--N
HS ~N)J\C4Hg HS)~N)I\CQ
(C~12 )4NH2 NH2 (V - 95) (V - 96) N--N N--N
HS )~N)l\Br HS)~N)J\ I
NH~ NH2 (V - 97) (V - g8) N--N N--N
HS /II\N/II\CQ N~/~N)~
CH2NH2 ~ CH2cH2NH2 ~V - 99) (V - 1~0) N--N N--N
HS )~\N)J\Br HS/~NJ~\ Br :: ~ (CHz )3N~ ~CH2 )4NH
: (V - IOI) ~ V -~ I
115J~\~NI~ ~NS ~ \NA~
, ... ... ~ ~ ; ,,, ~
.: . ~ .: ..
- . ~, . . .
... ... . . ~ ~ .
;. - .,~-.~ . .
~265i3~7 (V - 103) ~V - 104) HS /~D\NH2 l~ C2Hs CH2CH~NH2 C2Hs (V - 105) (V - 106) ~ CQ N y~ Br HS Nl CQ HS Nl Br NH2 NHz (~--10~) HS /~H2CH2NHz (V - 108) N--NN--N
HS ~S )L l~S )J` SH
~, ( V - 109 ) : N--N: N--N
5 1S)L ~ll5~5~ ~
:~
.
.
;: ,.
.. .. .
.
(~ - 110~
N--N N--N
HS)~S ~L 2 ~S D~ SH
( V ~
N--N N--N
HS~S)L (CH2)2 (~ --112) N--N N--N
HS ~N ~ N )~\ SH
SO3 Na SO~ Na : :
( ~ --1 1 3 ) IIS ~ I CH2 1 ll S'd N\N~= C~ N
: S~3Na SO3Na V~--1 14 ) :
N--N~ ~ N--N
)L (CH"2 :: ~ :
. -, ;
::: ,: . `~. .
:, ` , ~ ., , .. . . -;.. . : . - " .-, ~ :, . .
~2~6~37 115~
SH SH
NH2 ~N ~L C~2 ~ N~ NN2 (V - ~16~
HS ~ ~r NH(CH2 )2NH ~ ~r SH
N N N N
SH . SH
(V 117) SH SH
N~2CH2 ~N
HS ~`N N ~L SH
.
(V - 118) H2N ~ ~r NHCH2NH ~ ~rNH2 N N N N
S~ SH
(V - 119) ~IS ~ ~r O(CH2)20~ ~SH
N N N N
: ~ SH SH:
~ :
:
:
iS377 ~ 69 -(V - 120) N--N N--N
,1~ )L (CH2 )2 I~S)I~ ~H
(V - ~21) HS ~ `Ir N(cHz)2l~ ~rSH
N N ¦ I N N
~/ CH3 CH3~/
SH SH
(V -- 122) SH SH
HS ~N'~ (CH2)2 I`~LSH
( V: - 1 2 3 ) ( V - 1 2 4 ) ` :
I,N
( V - 1253 ~ (:V - 12~6 : `,. ~ ~
,, - . . `, .. .
,,: :., :.
-~
V - 127) ~ V - 128) HS ~ 5 ~ NH2 HS ~ ~ SH
( V - 129) ~ V - 1~0) N~N ~SO3Na N~N ~
HS ~ N SH HS ~ N OH
( V - 131) . ( V - 132) HS ~ N ~ sa HS ~ ~N~ ~ ~H
~ N ~ N N ~ N
: SH: ~ SH
, ( V - 133) ~ V - 134) :
H2N~ ~N ~ SH HS ~ "N~ NH2 ~ :
N~,N ` : ~ N~,N
:: NH : : SH ~ `~
., ' :
:
- -., " ..... , ;-;
., . :, .. ,:: `
, ' :' . . .: .` ~ ~
(V - 135) ~V - 136~
HS ~"N~SH SH
N;~N N~
P~l N~
SH
SO~ Na (V - 137) (V ~ 138) SH SH
N~\OH N~\NN2 SH S~
(V--1~9) (V--140) SH SH
~NR2 HS ~sSN`3 (V 141) (Y --142) \OH 15 ~Ix H2 :: : :
`:.,.
.. . . .
: . . ~ ~, . .. - . . . .. .
. .. .
(V - 1~3) (V - 1~4) OH SH
HS /~N 3 HS ~\ NH2 (Y ~ 14~) (V - 146 Sl~ ~H
N~\ ~ CH2CR20H
RS /~N o~ HS /~N NH2 ~V ~ 147) ~V ~ 1~8) NS/~NJ\NN2 P.0 (V - ~49) (V - 150 SH SH
H~N~ C2HsS ~N~
lV - 151) (V - 152) S~ S~:
C2 H sS /~ \ SN
~ ~ , ::
'" ' : :
~ ~ , ,, , ~ , ., . ";, . . ~ , , ~ 26S3~7 (V - 153) (V - 154) N ,~NHCOCH3 N ~) HS /~N o NU2 (V - 155) (Y - 15~) ~N`N,~`~N`N
N :~-N--NN :~N--N
SH SH
(V--15~) (V--158) S~ : Sll : ~
N~N `S N~N `S : :
H2N /~N~h HS /~N'=h (V - 159) (V - 160) IIS ~N~N~N ~N
N 11 SH : ~ ~ -H2N'~:~ ` N~ ~ N~N 1I SH ~
: SH ~:
,,,, , .-... ,., , , :
': . . ~ : ,: , ' ~ :
::: :': : ' ', _ 67S377 (V-161) (V-162) N~`NH HS ~ ~,N`N
HS ~N N NH2 ( V - 1 6 3 ) ( V - 1 6 4 SH SH
N"l~Lb'MH2 N ~IL 1/
H2N/~:N N ~N N
~V--165) (V - 166) ~ :
NH2 HS ~N~ N
/NI2 N~N~
(V - I67) (V - 168) SH~ SH
N,~ ~SU ~ y~.~SU
N:~f N :~ N~N::
., .
~2653~7 ( V - 169) ~ V - 170) SH NH~
N~y SH N~-N~ SH
HS /~N NHHS J~N' (V - 171) (V - 172) N~N 3~
N~,N KS N OK
SH
( V ~ 3 ) SK
KS /~
.
( V - ~74) ~ V~- 175j ~ ;: ~ ; :
SH SH ~ :
:
, ... ~ , ~ ,, .
. ~, ,., :
,-`:
~, - :
, .. .
~ .. `
~2~377 (V - 176) N=N
N~r,N - C~2CH2NH2 ~ HCQ
SH
( V - 177) ( V - 17S) N = N N - N
N ~ N - CH2CH2N(CH3)2N ~ N- CH2CH2N(C2Hs)2 SH SH
( V - 179) N = N
N ~ N - CH2CH2N(CH2CH2502CH3)2 SH
( V - 18~) ( V ~ 181) ~ . ~
I
N ~ N - CH2CH2 - N ~N ~ ~N - CH2CH20H
SH SH
( V - 182) ( V - 183) N - N N = N
I N~ N - CH~cH2N ~ cH2CH2QH ~ N~ h - CHzCOOH
SH ~ SH~
: : :
.
.
(V - 18~) N= N
N~ N--CH2CH2SO3NH~
S~
- 2 ) f ~ f ~( CH2)~COOH
S--S S--S
( ~11 3 ) ( Vl -- 4 ) ( ~I -- S ) ~ 1 f~s ~
s--s s~ s 6 ) ~ ~iI - 7 ~ g ) CHzCOOH
(U- 9 ) (~I-10) CH2C~2011 S3 ~ (~coou 5 ) (s 3 ~ s ~ou ~ .
::
.
... ." . ` . ~ ~ ~
.~
..
.. . ~ .. . . .. .
.... ... ..
5i377 1 4 ) ( V~ - 1 5 )( Yl - 1 6 ~
5~5 ~/OH5~s~L(CH2~ocooH
( Yl - 17) ( ~1 - 18)( ~I - lg) ~ -S.~S~
(~- 20) (~1 --21) (V~ --22) ~S~
23 ) ( ~ - 24 ) ( Y~ - 25 ):
(~ ~? ~ ~s ( U --26) ( U --27) ( Vl --28) OH S
~ ~s s3 Cs) U~ - 29) : ( V~ - ~O) ( ~ - 31 ) ;;
~
S~ 5~
- ~ ~
:
,,,: ~ . .
. . - . - ~ : . . ,:
~ ;
.... ~ ,, ~ -. . ... ...
.. ~ , , - . ,- . . ~ .:: ~ i ;
-... .. ..
~:, . .. ~ .
.. ...
::. . . .
~6 5 3 7 7 ( ~ - 32) ( ~ - 33) ( ~ - 34) OH
S S-s S S'~S S~
~s-s) - 35~ ( U - 36) A ' I~
HO { S S } OH ~ S S
~ SCH2c~lzN < cH CH SO CH )2 (V~--2 ) tscH2cH2N < cH2cH2co2cH3 CH2CH2COzCH3 (Y~ - 3 ) tSCH2CH2NHCH2CH2~H2S03H)2 (Y~--4 ) ~SCN2CH2N ~ CH CH CN )2 (Y~ - 5 ) ~ ~5CH,CH2N < CH2CH2CONH ~)2 ~ ~HC
6 ): ~ ~SCH,CH2N < CH C~CH ~ )2 ~
,. ~.... . . ..... .
,,- . ~ .: : :
.
. ~ .-.: ~ . .
, ~ , . . ..
. . .
, ~, .
~%~ i3`~
(~ ~ 7 ) tSCH2CH2N < CH CH SO N )2 ( ~ 8 ) tSCH2CH2N < rH COOI~ )2 HN ~
9 ) H N / C - SCH2CH2NCH2CH2SO2CH~ 2HCQ
HN ~
(Y~ - 10) H N / C - SCH2CH2NCH2CH2CO2CH~ 2HCQ
CHs HN ~ CH2CH2SO2CH3 ~Y~--11) H N ~ c - scH2cH2N < cll2cH2so2cH3 HN ~ CH 2 CH 2 C~OH
(V~ - 12) H2N /C SCH2C~12N < CH2CH2COO~ 2HCQ
(Y~ ~ 13) ~ ~ 5 ~ SCH2CHzICH2CH2CO2CH3 ~ 2HCQ
~Y~ ) NSCH2cH2N < CH CH SO CH ' ~ H2S-/ CH2CH2CO2CH3 ~COOH
(Y~--15) HscH2cH2N ~ CH2cH2co2cH3 COOH
(Y~ - 16~ HSGHzCH2NCH2CH2CONH2 ~, (V~ - 17) ; HSCH2CHzNNC82CHzOH
~(Y~ - 18) HSCH2CH2NCH2CHzOH~
C2Hs .
.:
.
.. ..
~ . .,.. , ; . ~ ,: , .: ~ : .
;. . ~ .. .
., . ... .
, ,., ~ . . .
.... ~ . . .
~2~;i37~
- Bl -(V~ - 19) HSC~2C~2lCH2CH2N(CH3)2 (V~ - ZO) HSCH2CH2NCH2CHzOCH2CH20CH3 COC~13 The above compounds may be synthesized easily according to the known techniques as disclosed in, for example, Great Britain Patent No. 1,138,842, Japanese Provisional Patent Publications Wo. 20832/1977, No. 28426/1978, No.
95630/1978, No. 104232/1978, No. 141623/1978, ~o. 17123/
1980 and No. 95540/1985, U.S. Patents No. 3,232~936, No.
3,772,020, No. 3,779,757 and No. 3,893,858.
The bleaching accelerator of the present invention may be present in bleaching the silver image obtained by developing, and it is preferred to employ the method to add the accelerator in the bleach-fixing bath, and it is also preferred to employ the method to add the accele-rator in the bath prior to the bleach-~ixing bath ~pre-processing solution, particularly pre-fixing processing~
solution), to incorporate it into the bleach-fixing bath carried by the ligh~-sensitive silver halide color photographic material. Most preferably, the ac~elerator should be present~in both the pre-fixing processing solution and the bleach-fixing solution. In this case, ~the accelerator~may be permitted~to be present in the i~
pre-flxing solution and brought into the bleach-fixing s~lution by the photographic material to be processed.
Alternatively, it may be incorporated prevlously l~n the color light-sensitive mater~ial~during~preparation so as to~be~present during~processing in the pre-processing bath or the bleach-fixing bath.
, , . . . , :
, . . .: :
, :~., : - , : , `
~2653'77 These bleaching accelerators of the present invention may be used either singly or as a combination of two or more compounds, and the amount of said bleaching accelerator to be added into the bleach-fixing solution or the baths preceding thereto (pre-processing solution, particularly pre-fixing solution) may be generally about 0.01 to 100 g per one liter of each processing solution to give favorable results. ~owever, the bleaching accelerating effect will be small if the amount added is too small, while an excessive amount will result in formation of precipitates to contaminate the color light-sensitive material to be processed. Accordingly, it is preferred to use 0.05 to 50 g, more preferably 0.05 to 15 g, per liter of the processing solution.
When the bleaching accelerator is to be added in the bleach-fixing bath and/or the bath prior to the bleach-fixing bath (pre-processing bath, particularly pre-fixing bath), it may be added as such to be dissolved, but it is a general practice to add the accelerator as a solution previously dissolved in water, alkali, organic acid, etcO
If desiredf it is also possible to add the accelerator dissolved in an organic solvent such as methanol, ethanol, acetone, etc. without any deleterious effect on its bleach-fixing effect.
Into the bleach-fixing solution of the present invention, metal ions should desirably be supplied according to any method in order to enhance bleach-fixing characteristic.
; For example, they can be supplied in any desired form such as halides, hydroxides, sulfates, phosphates, o~ e~e~
acetates, etc., but preferably in the form of~e~ e*
with~chelating agents as the compounds shown below (the metal compounds supplying these metal ions are herein-after called metal compounds;of the present inventionj.
But, these supplying methods are not particularly limited. The chelating agent may be any compound such as ::, :: .
:. ... . :
~, .,, . . :
53~7 organic polyphosphoric acid, aminopolycarboxylic acid, etc.
[Exemplary compounds]
~A - 1) Nickel chloride (A - 2) Nickel nitrate (A - 3) Nickel sulfate (A - 4) Nickel acetate (A - 5) Nic~el bromide (A - 6) Nickel iodide (A - 7) Nickel phosphate (A - 8) Bismuth chloride (A - 9) Bismuth nitrate ~A - 10) Bismuth sulfate (A - 11) Bismuth acetate (A - 12) Zinc chloride (A - 13) Zinc bromide (A - 14) Zinc sulfate (A - 15) Zinc nitrate (A - 16) Cobalt chloride (A - 17) Cobalt nitrate (A - 18) Cobalt sulfate (A - 19) Cobalt acetate ~A - 20) Cerium sulfate (A - 21) Magnesium chloride (A - 22) Magnesium sulfate ~ (A - 23) Magnesium acetate : (A - 24) Calcium chIoride ~: (A - 25) Calcium nitrate ~ :
:(A - 26) Barium chloride `
: ~ 30 (A - 27) Barium acetate : (A - 28) Barium nitrate :(A - 29) Strontium chloride (A~ - 30) Strontium~acetate~ : ;
(A - 31) Strontium nitrate 35~ (A - 32) Manganese chloride .- .
., : . ....................... .
, ~ :
(A - 33) Manganese sul~ate (A - 34) Manganese acetate (A - 35) Lead acetate (A - 36) Lead nitrate (A - 37) Titanium chloride (A - 38) Stannous chloride (A - 39) Zirconium sulfate (A - 40) Zirconium nitrate (A - 41) Ammonium vanadate (A - 42) Ammonium metavanadate ~A - 43) Sodium tungstate (A - 44) Ammonium tungstate (A - 45) Aluminum chloride (A - 46) Aluminum sulfate ~A - ~7) Aluminum nitrate (A - 48) Yttrium sulfate (A - 49) Yttrium nitrate (A - 50) Yttrium chloride (A - 51) Samarium chloride (A - 52) Samarium bromide (A - 53) Samarium sulfate (A - 54) Samarium nitrate (A - 55) Ruthenium sulfate (A - 56) Ruthenium chloride These metal compounds of the present invention may be used either singly or as a combination of two or more - compounds, in amounts of 0.0001 to 2 moles, particularly preferably 0.001 to 1 mole as the metal per mole of the solution used.
The bleaching accelerator of the present invention is represented by the~above formulae ~I] - [VII], in which heterocyclic residues, amino groupsj aryl groùps, alkenyl groups and alkylene groups represented by Rl, R2, R3, R4, R5, R8, R9, A, B, D, Z, Z', R, R', and formed by R and R' ! R2 and R3, R4 and R5, and Q, Q' may be substituted.
:
,.. . .
,, . . ~ . - , ~: . : . ~ ~,.. . .
126iS37~7 The substituents may include an alkyl group, an aryl group, an alkenyl group, a cyclic alkyl group, an aralkyl group, a cyclic alkenyl group, a halogen atom, a nitro group, a cyano group, an alkoxy group, an aryloxy group, a carboxy group, an alkoxycarbonyl group, an aryloxy-carbonyl group, a sulfo group, a sulfamoyl group, a carbamoyl group, an acylamino group, a heterocyclic residue, an arylsulfonyl group r an alkylsulfonyl group, an alkylamino group, a dialkylamino group, an anilino group, an N-alkylanilino group, an N-arylanilino group, an N-aceylanilino group, a hydroxyl group, etc. The alkyl group represented by the above Rl - R5, R8, R9, A, B, Z', R, R' may also have substituents, and said substituents may include those as enumerated above except for alkyl groups.
The bleach-fixing ~olution o~ the present inventi.on contain~ an organic acid ferric complex ~hereinafter called to as an organic acid ferric complex of the present invention) as the bleaching agent.
Typical examples of the orqanic acid forming the organic :
acid ferric complex of the present invention may include :
the following:
.
(1~ Diethylenetriaminepentaacetic acid (MW = 393.27) (2) Diethylenetriaminepentamethylenephosphonic acid (MW = 573.12) (3): Cyclohexanediaminotetraacetic acid (MW = 364.35) (4~) Cyclohexaned~iaminetetramethylenephosphonic acid (MW = 508.23~
(5) Triethylenetetraminehexaacetic :acid (MW = 494.45) 30~ (6~ Triethylenetetraminehexamethylenephoshonic acid (MW = 710.27)~ ::
: (7) Glycoletherdiaminetetraacetic acid (MW = 380.35) 8) Glycoletherdiaminetetramethylenphosphonic acid (MW = 524.23) :`"' : ~
.
. . :. .
"~
,~,: , .:, : :
. : . :
: ~
~;26S37~
(9) 1,2-Diaminopropanetetraacetic acid (MW = 306.27)
> N--CH2CH2--S--C ~ N(CH2 )2CH3 CH3 NH ( CH2 1 2 CH3 > N--CH2CN2--5--C < N(CH~2 )ic2~1s : ~ CH3 ~ ~ NH(CH2)2C2H5 ::
f' :
- :` ., ,.` .,, :
.
. -.~ .. . . . .
- . .. : ~
. . . : . :
' ': ~: .~ ' .: ..
P~6S~77 - 47 ~
( ~ - 152) C~ > N ~ CH2CH2 - S C
( ~ - 153) CH > N ~ CH2CH2 ~ S ~ C ~ NH
( ~ - 154) > t~--CH2CH2--S--C ~ N~M(CH3 )~
CH3 . NHCH(CH3 )2 155) :
~ ~ ~ ; CH3 > N CH CH 5 ~ NCH~ C23~2 ~ ~
5 6 ) ; CH > NCH~CH2~H2NH - C - CH2-S-C ~ NH
C2Hs> N ~
.': .
,. . .,. "
.; ., '` ,': , : . '' ' , ;~ ., ', . ',',- ', .,,''' ' ' ',. ~ . . ~ :
.~- :, , , : . :
., :: :
i;537'7 ( 11 - 1~8) CH > N CH2 CH2--S--C ~ NH
( 111 - 1 ) ~m- 2 ) CH > N--CH2CR2--SH
( m - 3 ) :
C H > N--CH2CH2--SH ~ ~
( m - 4 ) ~2H5> N CH~CH2 SH
( m - 5 ) HOOC~ CH2CH2- SH ~ ~
J' ~ ~
' ~,,: ' ~ ' :
'' ~ `` ;~ ' :
~` ,, ~ ' :~ , ~ . ' , ' ' "; ' ' ' "' `' '.:' ' '~`
'' : ', :'`.. , , . ' `,: ~.
.~ . .'. :
~2653~7 4g (m- 6 ) HOCH2 > CHCH2SH
(m- 7 ) H2N > CHCH2SH
(m-s) (m-s) : C113 ( m - lo) :
: (m - 1l~
CH~ CH3 ~,N CH2C~ SH
, ::
~: :
,. .. . .. . . .... .
. .. . .
. "
. .. ~ , ~iS 3 7 7 ( m ~ 13) ( m - lO
r N - CH2CH2 - SH
N -(m - ls) (m - l6) : ~ N ~ CH2CH2 - SH ~ N - CN2CH2 - SH
:
~m-17) ~m-1 C~3 ~ I
i N CH2 - C - SH N- CH2CH2 - SH
m - l9) ( m - 20) , :
N~3 ; Nl=`N--CI2CN,--SN
, ~;3~7 (111-~1) (m-22) Cl2CH~ - SH ~ N~N
m-23) (m~
~ CH2CH2 - SH ~ ~
(m-2~) (m-26) CH2CHz - SH ~ CS2CH2 - S!l ~ ( m - 27) : ~ N - CH2 - CH - CH2 - SH
I
OH
HS - CH2CH2CU2CH2 - N ~ - CH2CH2~CHzCH2 - SH
, ~3L2~37'7 (m-2s) (m-30) C2Hs 1 (m-gl) (m- 3~) CH2C~12 -SH ~n~
~`N--CH2Ca2-SHHS--CH2CH2 CH2cH2-sH
( m - ~3 ) C2H > NcH2cH2--S--S--CH2CH2N <C2H5 ( m - 34 ) CH > NCH2CH2--S--S~CH2CH2N<C~3 , ~
: :
`: :
.
;.
--. .
.`, `.
( m - 35 ) C ~ C~ >N--CH2CH2--S--S--CH2CH2--N <C~ H
( m - 36 ~
~H CO > N--CH2 CH2--S--S--CH2 C112--N < COCH
( m - 3'1 ) ~ CH2CH2--SH
N ~ CH2CH2--SH
\ CH2CHz--SH
IV - 1 ) ~N~S~ 2 CH~ ~so~3 ( IY ~ 2 ) CH
~S3~N,~ 2~ CH3 ~3503(3- N20 CI13--N~<~N~3~S\~N-CH3- 2 CH3 ~3so3~ 1120 ", .. .. .
.; `. ~ .
: ~ : :. `
.
~L2~5377 4 ) (~)03 S tCH2~ N~N '~S > OEN--~ ~H2 )4SO3 (IV- 5 ) ~ N 3~S >~ ~ 2 Bl(3 C~13 (V- 1 ) (~- 2 ) : a ~: HS ~Sb,NHC--CH3 HS ~S~SCH20H
N--N N--N
: ( V - 3 ) ( V~ - 4 ) :
HS ~S~S--CIIzCNzON H5 ~5~$0il N--N N--N
, ~, i : . .;; . .; ......... :
.
... , .. ,.. ; ........ ..
26537'7 -- ~5 --(V- 5 ) ~V- ~ ~
HS l~s ~4~ CH3 CH3CNH ~N ~ SH
NE~CCH3 Il . . O
(V-- 7 ) (y- 8 ) ~¢N "1/ S~l ~¢N `\1/ SH
H2N~N CH3CNH pN
NH2 1I NHCCH~
O
(V- 9 ) (V-10) ~N ~ SH ~N ~1/ SH
~N ~,~N
Il O
( V - l l ) ( V - 1 2 j ~ ~ -~,N~f SN l~N~,I/Sa CH30 /~r C2H5Q ~N
OH : aH
: ~ ~
:
:;, :
.~ .
`..... ...
` :
. ." ~. ',.' ~
:- . :. ;
. ~ . .
, . .
~2~`
~D5i3 ;7 (V - 13) (V - 14) ca3 ~'(~N ~/~N
0~ 0~1 (Y - 15) tV--16) /SN ~ ,/Sll SCH20H ~o~
.
( V - ~ 7 ) ( V -- 1 8 ) N ~N ~/(r--N
SH SH
( V--l g ) ~ V --: 2 0 ) :: CH3 ~OH ; ~ `C~H5 3~ON
CH3 ; SH :~
:
:: :
.. . ....
; .
... ..
, i3~77 (V - 21) (V - ~2) OH rl~N ~/ OH
HûûC ~N CzH5C(~ N
SH SH
(V - ~3) (V - 24) ~¢N~/ ~ ~fN~OH
HOCH2 ~N ~r~N
SH SH
(V~25) (~-26) ~N~/ Sc2H5 H
HOCH2~y'N HO~C/~( ~ SH
S
( V - 2~) ( V - 28) Nl1035)~(N~ N~
~, ~
: : : , .... .. .
., ~,., :
, ... .
.. .. . . . .
.. . .
.` .
:, :
(V - ~) (V - 30) CH2CU2COOH ~ ~SH
(~( N ~ SH HOOC N
(V - 31) (V - 32) HOOCCH2, S S
~ N ~ N~03 S /~ N
(V - 33) (V - 34 ~)( N ~ NaO3S /~
COQH
( ~ 3~ ) ( V--36 ) CO~H SO3Na ~ ::
N~SH ; ~(N~SN
:
~ , , ~,' " . ' . ` :
. .., ~ , ~, . .:: .. ' . . ., . , :: ' _ 5 ~3~77 (V - 37) (V - ~8) OCH3 S~5 '3.00CCI12CIIz /~ N
NaO~ S SO3 Na (V - 39) H H
)~ ~ S--S ~\ N)~
( V - 4 0 ) :
NaO~S ~ 3 ( N ~ N ~ \ SO3Na ~
:; i V - ~ l ) ~OH COOH
~S ~ S--S
: 4 2 ) : ~ : : : ::
11S S ~ S(CH2)4SO3Na : ~
.. ~ :
: :` :: ::
' ' . ' ~ :
. . , .. . .. ~ . ... . .. .; ~
., , ~ ~ ... .
. .
.
. .
.. . . . .
( ~ - 43) ~ V - 44) HS ~ S ~ CH2~00H HS ~ S ~ COOH
(V --45) (V --4B) HOOCCH2 S HOOC ~ ,S
~ /~ SH rl ~ SH
CH3 '~ N CH3 ~`N
V -- 47) t ~ - 4~) HOOC ~ N CH3 ~ N
( V 49) ~ V - 50) H
~ ,~ SH HOOCCH2CH2CH2 N
HOOC'A` N ~ /~ SH
: N
:
~: ( V ~- 51 ) ~ I V - 52) N y CH3 ~ N~ y CN8 :~ : HS N \ CH2COOH HS N \ CH2CH2COOH
r: :
; . :
'' ~:
::
.:
... : ~ .
: i ' : ~ :
,. :
5~377 (V-'53) (V 54) N~N,N ~OOC S SH
c~3 (V--55) (V--~6~
~;3HS yS yNH2 0 N N S03 Na ,~- SH
HOOCCH2CH2/` N
(V - 57) (~ - 58) : :
HS y~0 HS yS~
N N SH
(V - 59) ~V - 60) HS y~_ Y ~I
:N NH2 N SH
(V~ 61~ (:V~-62)~
~ ~ :
~NH2 ~ NH2 HS ~ ~ ~ : : HS 1~ SH
:
.. . . .
. .
- , , ::~2~5i3 (V--63) ~ ~ 64) HS y~SH HS ~ SH
N NH~ N SO3Na (V - 65~ (V - 66) N--N N--N
IIS )~S ~ HS )~S ~1, CH3 (V -- 67) (V --6~) .
N--N N--N
HS )~S ~l\C2 H5 HS /I~S )I\ C~ N, ( V - 6~ 7 ::
N--N N--N :
HS /I~S )I\C4H9 HS ~S ~ C5Hl I
: ( V--7 1 ) ~ ~ V - ~ 2 ) : ~ :
, . ~., ~, , ,, `,~
.
.,. ;' ....... ~ , .. ~ ,.. .
~6~;37 (V - ~3) ~V - 74) N--N N--N
~15 /l~S~r H~S~
(V-75) (~76) N--N N--N
N~D HS/l~NJJ~NH2 H H
(V ~ 7~) (V ~ 78) US)~N~I USJ~N~\ CU3 NH2 NH2 :
(V-79) (V-gO) N--N N--HS N C2Hs HS y C3H
(V - 81) (V - 82) US /I~NJl\C41~ S)~INJl\NU2 NH2 : : ~: CH3 ~ ::
- ~6Ei4;53~7 V - 83~ ( V - 84) HS ~ N ~ NH2 HS ~ N) ~ NH2 C2Hs C3H7 ( ~ ~5) ~ V - ~6) HS ~ N ~ NH2 HS ~ N ~ CH3 C4Hs CH2NH2 ( V ~ 8~ ) ( V ~ 88) N - N N - N
NS ~ N ~ C2Hs RS~ NH2 C~2NH2 CH2CH2NH2 89) ~ V - 90) :
N N ~ - N
HS ~ N ~ NH2 HS ~ N ~ NH2 (CH2~2NH2 (CH2~4NN2 ( V - gl) O r: - 92) US ~ N ~ C~H7 35 ~ IN ~ C~N~
CH2C~2NH2 ~ ~ ~(CN2~3NHz r .
::
. .
`' :,~ '`, : :
.~., :
~: Ei5377 ( ~ - 93) ( ~ - 94~
N--N N--N
HS ~N)J\C4Hg HS)~N)I\CQ
(C~12 )4NH2 NH2 (V - 95) (V - 96) N--N N--N
HS )~N)l\Br HS)~N)J\ I
NH~ NH2 (V - 97) (V - g8) N--N N--N
HS /II\N/II\CQ N~/~N)~
CH2NH2 ~ CH2cH2NH2 ~V - 99) (V - 1~0) N--N N--N
HS )~\N)J\Br HS/~NJ~\ Br :: ~ (CHz )3N~ ~CH2 )4NH
: (V - IOI) ~ V -~ I
115J~\~NI~ ~NS ~ \NA~
, ... ... ~ ~ ; ,,, ~
.: . ~ .: ..
- . ~, . . .
... ... . . ~ ~ .
;. - .,~-.~ . .
~265i3~7 (V - 103) ~V - 104) HS /~D\NH2 l~ C2Hs CH2CH~NH2 C2Hs (V - 105) (V - 106) ~ CQ N y~ Br HS Nl CQ HS Nl Br NH2 NHz (~--10~) HS /~H2CH2NHz (V - 108) N--NN--N
HS ~S )L l~S )J` SH
~, ( V - 109 ) : N--N: N--N
5 1S)L ~ll5~5~ ~
:~
.
.
;: ,.
.. .. .
.
(~ - 110~
N--N N--N
HS)~S ~L 2 ~S D~ SH
( V ~
N--N N--N
HS~S)L (CH2)2 (~ --112) N--N N--N
HS ~N ~ N )~\ SH
SO3 Na SO~ Na : :
( ~ --1 1 3 ) IIS ~ I CH2 1 ll S'd N\N~= C~ N
: S~3Na SO3Na V~--1 14 ) :
N--N~ ~ N--N
)L (CH"2 :: ~ :
. -, ;
::: ,: . `~. .
:, ` , ~ ., , .. . . -;.. . : . - " .-, ~ :, . .
~2~6~37 115~
SH SH
NH2 ~N ~L C~2 ~ N~ NN2 (V - ~16~
HS ~ ~r NH(CH2 )2NH ~ ~r SH
N N N N
SH . SH
(V 117) SH SH
N~2CH2 ~N
HS ~`N N ~L SH
.
(V - 118) H2N ~ ~r NHCH2NH ~ ~rNH2 N N N N
S~ SH
(V - 119) ~IS ~ ~r O(CH2)20~ ~SH
N N N N
: ~ SH SH:
~ :
:
:
iS377 ~ 69 -(V - 120) N--N N--N
,1~ )L (CH2 )2 I~S)I~ ~H
(V - ~21) HS ~ `Ir N(cHz)2l~ ~rSH
N N ¦ I N N
~/ CH3 CH3~/
SH SH
(V -- 122) SH SH
HS ~N'~ (CH2)2 I`~LSH
( V: - 1 2 3 ) ( V - 1 2 4 ) ` :
I,N
( V - 1253 ~ (:V - 12~6 : `,. ~ ~
,, - . . `, .. .
,,: :., :.
-~
V - 127) ~ V - 128) HS ~ 5 ~ NH2 HS ~ ~ SH
( V - 129) ~ V - 1~0) N~N ~SO3Na N~N ~
HS ~ N SH HS ~ N OH
( V - 131) . ( V - 132) HS ~ N ~ sa HS ~ ~N~ ~ ~H
~ N ~ N N ~ N
: SH: ~ SH
, ( V - 133) ~ V - 134) :
H2N~ ~N ~ SH HS ~ "N~ NH2 ~ :
N~,N ` : ~ N~,N
:: NH : : SH ~ `~
., ' :
:
- -., " ..... , ;-;
., . :, .. ,:: `
, ' :' . . .: .` ~ ~
(V - 135) ~V - 136~
HS ~"N~SH SH
N;~N N~
P~l N~
SH
SO~ Na (V - 137) (V ~ 138) SH SH
N~\OH N~\NN2 SH S~
(V--1~9) (V--140) SH SH
~NR2 HS ~sSN`3 (V 141) (Y --142) \OH 15 ~Ix H2 :: : :
`:.,.
.. . . .
: . . ~ ~, . .. - . . . .. .
. .. .
(V - 1~3) (V - 1~4) OH SH
HS /~N 3 HS ~\ NH2 (Y ~ 14~) (V - 146 Sl~ ~H
N~\ ~ CH2CR20H
RS /~N o~ HS /~N NH2 ~V ~ 147) ~V ~ 1~8) NS/~NJ\NN2 P.0 (V - ~49) (V - 150 SH SH
H~N~ C2HsS ~N~
lV - 151) (V - 152) S~ S~:
C2 H sS /~ \ SN
~ ~ , ::
'" ' : :
~ ~ , ,, , ~ , ., . ";, . . ~ , , ~ 26S3~7 (V - 153) (V - 154) N ,~NHCOCH3 N ~) HS /~N o NU2 (V - 155) (Y - 15~) ~N`N,~`~N`N
N :~-N--NN :~N--N
SH SH
(V--15~) (V--158) S~ : Sll : ~
N~N `S N~N `S : :
H2N /~N~h HS /~N'=h (V - 159) (V - 160) IIS ~N~N~N ~N
N 11 SH : ~ ~ -H2N'~:~ ` N~ ~ N~N 1I SH ~
: SH ~:
,,,, , .-... ,., , , :
': . . ~ : ,: , ' ~ :
::: :': : ' ', _ 67S377 (V-161) (V-162) N~`NH HS ~ ~,N`N
HS ~N N NH2 ( V - 1 6 3 ) ( V - 1 6 4 SH SH
N"l~Lb'MH2 N ~IL 1/
H2N/~:N N ~N N
~V--165) (V - 166) ~ :
NH2 HS ~N~ N
/NI2 N~N~
(V - I67) (V - 168) SH~ SH
N,~ ~SU ~ y~.~SU
N:~f N :~ N~N::
., .
~2653~7 ( V - 169) ~ V - 170) SH NH~
N~y SH N~-N~ SH
HS /~N NHHS J~N' (V - 171) (V - 172) N~N 3~
N~,N KS N OK
SH
( V ~ 3 ) SK
KS /~
.
( V - ~74) ~ V~- 175j ~ ;: ~ ; :
SH SH ~ :
:
, ... ~ , ~ ,, .
. ~, ,., :
,-`:
~, - :
, .. .
~ .. `
~2~377 (V - 176) N=N
N~r,N - C~2CH2NH2 ~ HCQ
SH
( V - 177) ( V - 17S) N = N N - N
N ~ N - CH2CH2N(CH3)2N ~ N- CH2CH2N(C2Hs)2 SH SH
( V - 179) N = N
N ~ N - CH2CH2N(CH2CH2502CH3)2 SH
( V - 18~) ( V ~ 181) ~ . ~
I
N ~ N - CH2CH2 - N ~N ~ ~N - CH2CH20H
SH SH
( V - 182) ( V - 183) N - N N = N
I N~ N - CH~cH2N ~ cH2CH2QH ~ N~ h - CHzCOOH
SH ~ SH~
: : :
.
.
(V - 18~) N= N
N~ N--CH2CH2SO3NH~
S~
- 2 ) f ~ f ~( CH2)~COOH
S--S S--S
( ~11 3 ) ( Vl -- 4 ) ( ~I -- S ) ~ 1 f~s ~
s--s s~ s 6 ) ~ ~iI - 7 ~ g ) CHzCOOH
(U- 9 ) (~I-10) CH2C~2011 S3 ~ (~coou 5 ) (s 3 ~ s ~ou ~ .
::
.
... ." . ` . ~ ~ ~
.~
..
.. . ~ .. . . .. .
.... ... ..
5i377 1 4 ) ( V~ - 1 5 )( Yl - 1 6 ~
5~5 ~/OH5~s~L(CH2~ocooH
( Yl - 17) ( ~1 - 18)( ~I - lg) ~ -S.~S~
(~- 20) (~1 --21) (V~ --22) ~S~
23 ) ( ~ - 24 ) ( Y~ - 25 ):
(~ ~? ~ ~s ( U --26) ( U --27) ( Vl --28) OH S
~ ~s s3 Cs) U~ - 29) : ( V~ - ~O) ( ~ - 31 ) ;;
~
S~ 5~
- ~ ~
:
,,,: ~ . .
. . - . - ~ : . . ,:
~ ;
.... ~ ,, ~ -. . ... ...
.. ~ , , - . ,- . . ~ .:: ~ i ;
-... .. ..
~:, . .. ~ .
.. ...
::. . . .
~6 5 3 7 7 ( ~ - 32) ( ~ - 33) ( ~ - 34) OH
S S-s S S'~S S~
~s-s) - 35~ ( U - 36) A ' I~
HO { S S } OH ~ S S
~ SCH2c~lzN < cH CH SO CH )2 (V~--2 ) tscH2cH2N < cH2cH2co2cH3 CH2CH2COzCH3 (Y~ - 3 ) tSCH2CH2NHCH2CH2~H2S03H)2 (Y~--4 ) ~SCN2CH2N ~ CH CH CN )2 (Y~ - 5 ) ~ ~5CH,CH2N < CH2CH2CONH ~)2 ~ ~HC
6 ): ~ ~SCH,CH2N < CH C~CH ~ )2 ~
,. ~.... . . ..... .
,,- . ~ .: : :
.
. ~ .-.: ~ . .
, ~ , . . ..
. . .
, ~, .
~%~ i3`~
(~ ~ 7 ) tSCH2CH2N < CH CH SO N )2 ( ~ 8 ) tSCH2CH2N < rH COOI~ )2 HN ~
9 ) H N / C - SCH2CH2NCH2CH2SO2CH~ 2HCQ
HN ~
(Y~ - 10) H N / C - SCH2CH2NCH2CH2CO2CH~ 2HCQ
CHs HN ~ CH2CH2SO2CH3 ~Y~--11) H N ~ c - scH2cH2N < cll2cH2so2cH3 HN ~ CH 2 CH 2 C~OH
(V~ - 12) H2N /C SCH2C~12N < CH2CH2COO~ 2HCQ
(Y~ ~ 13) ~ ~ 5 ~ SCH2CHzICH2CH2CO2CH3 ~ 2HCQ
~Y~ ) NSCH2cH2N < CH CH SO CH ' ~ H2S-/ CH2CH2CO2CH3 ~COOH
(Y~--15) HscH2cH2N ~ CH2cH2co2cH3 COOH
(Y~ - 16~ HSGHzCH2NCH2CH2CONH2 ~, (V~ - 17) ; HSCH2CHzNNC82CHzOH
~(Y~ - 18) HSCH2CH2NCH2CHzOH~
C2Hs .
.:
.
.. ..
~ . .,.. , ; . ~ ,: , .: ~ : .
;. . ~ .. .
., . ... .
, ,., ~ . . .
.... ~ . . .
~2~;i37~
- Bl -(V~ - 19) HSC~2C~2lCH2CH2N(CH3)2 (V~ - ZO) HSCH2CH2NCH2CHzOCH2CH20CH3 COC~13 The above compounds may be synthesized easily according to the known techniques as disclosed in, for example, Great Britain Patent No. 1,138,842, Japanese Provisional Patent Publications Wo. 20832/1977, No. 28426/1978, No.
95630/1978, No. 104232/1978, No. 141623/1978, ~o. 17123/
1980 and No. 95540/1985, U.S. Patents No. 3,232~936, No.
3,772,020, No. 3,779,757 and No. 3,893,858.
The bleaching accelerator of the present invention may be present in bleaching the silver image obtained by developing, and it is preferred to employ the method to add the accelerator in the bleach-fixing bath, and it is also preferred to employ the method to add the accele-rator in the bath prior to the bleach-~ixing bath ~pre-processing solution, particularly pre-fixing processing~
solution), to incorporate it into the bleach-fixing bath carried by the ligh~-sensitive silver halide color photographic material. Most preferably, the ac~elerator should be present~in both the pre-fixing processing solution and the bleach-fixing solution. In this case, ~the accelerator~may be permitted~to be present in the i~
pre-flxing solution and brought into the bleach-fixing s~lution by the photographic material to be processed.
Alternatively, it may be incorporated prevlously l~n the color light-sensitive mater~ial~during~preparation so as to~be~present during~processing in the pre-processing bath or the bleach-fixing bath.
, , . . . , :
, . . .: :
, :~., : - , : , `
~2653'77 These bleaching accelerators of the present invention may be used either singly or as a combination of two or more compounds, and the amount of said bleaching accelerator to be added into the bleach-fixing solution or the baths preceding thereto (pre-processing solution, particularly pre-fixing solution) may be generally about 0.01 to 100 g per one liter of each processing solution to give favorable results. ~owever, the bleaching accelerating effect will be small if the amount added is too small, while an excessive amount will result in formation of precipitates to contaminate the color light-sensitive material to be processed. Accordingly, it is preferred to use 0.05 to 50 g, more preferably 0.05 to 15 g, per liter of the processing solution.
When the bleaching accelerator is to be added in the bleach-fixing bath and/or the bath prior to the bleach-fixing bath (pre-processing bath, particularly pre-fixing bath), it may be added as such to be dissolved, but it is a general practice to add the accelerator as a solution previously dissolved in water, alkali, organic acid, etcO
If desiredf it is also possible to add the accelerator dissolved in an organic solvent such as methanol, ethanol, acetone, etc. without any deleterious effect on its bleach-fixing effect.
Into the bleach-fixing solution of the present invention, metal ions should desirably be supplied according to any method in order to enhance bleach-fixing characteristic.
; For example, they can be supplied in any desired form such as halides, hydroxides, sulfates, phosphates, o~ e~e~
acetates, etc., but preferably in the form of~e~ e*
with~chelating agents as the compounds shown below (the metal compounds supplying these metal ions are herein-after called metal compounds;of the present inventionj.
But, these supplying methods are not particularly limited. The chelating agent may be any compound such as ::, :: .
:. ... . :
~, .,, . . :
53~7 organic polyphosphoric acid, aminopolycarboxylic acid, etc.
[Exemplary compounds]
~A - 1) Nickel chloride (A - 2) Nickel nitrate (A - 3) Nickel sulfate (A - 4) Nickel acetate (A - 5) Nic~el bromide (A - 6) Nickel iodide (A - 7) Nickel phosphate (A - 8) Bismuth chloride (A - 9) Bismuth nitrate ~A - 10) Bismuth sulfate (A - 11) Bismuth acetate (A - 12) Zinc chloride (A - 13) Zinc bromide (A - 14) Zinc sulfate (A - 15) Zinc nitrate (A - 16) Cobalt chloride (A - 17) Cobalt nitrate (A - 18) Cobalt sulfate (A - 19) Cobalt acetate ~A - 20) Cerium sulfate (A - 21) Magnesium chloride (A - 22) Magnesium sulfate ~ (A - 23) Magnesium acetate : (A - 24) Calcium chIoride ~: (A - 25) Calcium nitrate ~ :
:(A - 26) Barium chloride `
: ~ 30 (A - 27) Barium acetate : (A - 28) Barium nitrate :(A - 29) Strontium chloride (A~ - 30) Strontium~acetate~ : ;
(A - 31) Strontium nitrate 35~ (A - 32) Manganese chloride .- .
., : . ....................... .
, ~ :
(A - 33) Manganese sul~ate (A - 34) Manganese acetate (A - 35) Lead acetate (A - 36) Lead nitrate (A - 37) Titanium chloride (A - 38) Stannous chloride (A - 39) Zirconium sulfate (A - 40) Zirconium nitrate (A - 41) Ammonium vanadate (A - 42) Ammonium metavanadate ~A - 43) Sodium tungstate (A - 44) Ammonium tungstate (A - 45) Aluminum chloride (A - 46) Aluminum sulfate ~A - ~7) Aluminum nitrate (A - 48) Yttrium sulfate (A - 49) Yttrium nitrate (A - 50) Yttrium chloride (A - 51) Samarium chloride (A - 52) Samarium bromide (A - 53) Samarium sulfate (A - 54) Samarium nitrate (A - 55) Ruthenium sulfate (A - 56) Ruthenium chloride These metal compounds of the present invention may be used either singly or as a combination of two or more - compounds, in amounts of 0.0001 to 2 moles, particularly preferably 0.001 to 1 mole as the metal per mole of the solution used.
The bleaching accelerator of the present invention is represented by the~above formulae ~I] - [VII], in which heterocyclic residues, amino groupsj aryl groùps, alkenyl groups and alkylene groups represented by Rl, R2, R3, R4, R5, R8, R9, A, B, D, Z, Z', R, R', and formed by R and R' ! R2 and R3, R4 and R5, and Q, Q' may be substituted.
:
,.. . .
,, . . ~ . - , ~: . : . ~ ~,.. . .
126iS37~7 The substituents may include an alkyl group, an aryl group, an alkenyl group, a cyclic alkyl group, an aralkyl group, a cyclic alkenyl group, a halogen atom, a nitro group, a cyano group, an alkoxy group, an aryloxy group, a carboxy group, an alkoxycarbonyl group, an aryloxy-carbonyl group, a sulfo group, a sulfamoyl group, a carbamoyl group, an acylamino group, a heterocyclic residue, an arylsulfonyl group r an alkylsulfonyl group, an alkylamino group, a dialkylamino group, an anilino group, an N-alkylanilino group, an N-arylanilino group, an N-aceylanilino group, a hydroxyl group, etc. The alkyl group represented by the above Rl - R5, R8, R9, A, B, Z', R, R' may also have substituents, and said substituents may include those as enumerated above except for alkyl groups.
The bleach-fixing ~olution o~ the present inventi.on contain~ an organic acid ferric complex ~hereinafter called to as an organic acid ferric complex of the present invention) as the bleaching agent.
Typical examples of the orqanic acid forming the organic :
acid ferric complex of the present invention may include :
the following:
.
(1~ Diethylenetriaminepentaacetic acid (MW = 393.27) (2) Diethylenetriaminepentamethylenephosphonic acid (MW = 573.12) (3): Cyclohexanediaminotetraacetic acid (MW = 364.35) (4~) Cyclohexaned~iaminetetramethylenephosphonic acid (MW = 508.23~
(5) Triethylenetetraminehexaacetic :acid (MW = 494.45) 30~ (6~ Triethylenetetraminehexamethylenephoshonic acid (MW = 710.27)~ ::
: (7) Glycoletherdiaminetetraacetic acid (MW = 380.35) 8) Glycoletherdiaminetetramethylenphosphonic acid (MW = 524.23) :`"' : ~
.
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(9) 1,2-Diaminopropanetetraacetic acid (MW = 306.27)
(10) 1,2-Diaminopropanetetramethylenephoshonic acid (MW = 450.15)
(11) 1,3-Diaminopropane-2-ol-tetraacetic acid (MW = 32~.27)
(12) 1,3-Diaminopropane-2-ol-tetramethy]enephosphonic acid (~W = 466.15)
(13) Ethylenediaminediorthohydroxyphenylacetic acid (MW = 360.37)
(14) Ethylenediaminediorthohydroxyphenylphosphonic acid (MW = 432.31)
(15) Ethylenediaminetetramethylenephosphonic acid (MW = 436.13)
(16) Ethylenediaminetetraacetic acid (MW = 292.25) ~17) Nitrilotriacetic acid (MW = 191.14) ~18) Nitrilotrimethylenephosphonic acid (MW = 299.05) (19) Iminodiacetic acid (MW = 133.10) (20) Iminodimethylenephosphonic acid (MW = 205.04) (21) Methyliminodiacetic acid (MW = 147.13) (22) Methyliminodimethylenephosphonic acid (MW = 219.07) (23) Hydroxyethyliminodiacetic acid (MW = 177.16) ~24) Hydroxyethyliminodimethylenephosphonic acid (MW =
249.10) (25) Ethylenediaminetetrapropionic acid (MW = 343.35) (26) Dihydroxyethylglycine (MW = 163.17) (27) ~itrilotripropionic acid (MW = 233.22) (28) Ethylenediaminediacetic acid (MW = 176.17~
~29) Ethylenediamine dipropionic acid (MW = 277.15) ;~ The organic acid ferric complex of the present invention is not limited to these examples, but any one of these compounds may be selected, and it is also possible to use a combination of two or more compounds, if desired.
:: ~: :: : : :: :
Among the organic acids forming the organic acid ferric complex of the present invention, particularly preferable ones include the ~olIowing:
:
. ~
~, :: . ,: .
.,: . : .
: , .. .
:: ~. . ,.. -, ~53~7 (1) Diethyl~netriaminepentaacetic acid (MW = 393.27) (3) Cyclohexanediaminotetraacetic acid (MW = 364.35) (5) Triethylenetetraminehexaacetlc acid (MW = 494.45) (7) Glycoletherdiaminetetraacetic acid (MW = 380.35) (9) 1,2-Diaminopropanetetraacetic acid ~MW = 306.27) (11) 1,3-Diaminopropane-2-ol-tetraacetic acid (MW = 322.27) (13) Ethylenediaminediorthohydroxyphenylacetic acid (MW = 360.37) ~16) Ethylenedlaminetetraacetic acid ~MW = 292.25) (19) Iminodiacetic acid (MW = 133.10) (21) Methyliminodiacetic acid (MW = 147.13) (23) Hydroxyethyliminodiacetic acid (MW = 177.16) (25) Ethylenediaminetetrapropionic acid (MW = 343.35) (26) Dihydroxyethylglycine (MW = 163.17) (27) Nitrilotripropionic acid (M~ = 233.22) (28) Ethylenediaminediacetic acid (MW = 176.17) (29) Ethylenediamine dipropionic acid (MW = 277.15) The organic acid ferric complex of the present invention may be used as free acid (hydrogen), alkali metal salt such as sodium salt, potassium salt, lithium salt, etc.
or ammonium salt, or a water soluble amine salt such as triethanolamine salt, etc. Preferably, potassium salt, sodium salt and ammonium salt may be used. At least one of these ferric complex salts may be used, and it is possible to use two or more compounds in combination.
The amount to be used may be chosen as desired and it is required to be chosen depending on the amount of silver and the silver halide composition in the light-sensitive material to be processed.
:
More specifically, it i6 preferred to employ 0.01 mole or more, more preferably 0.05 to 1.0 mole, per one liter of the solution employed. In the supplemental solution, for ~ supplementing smaller amount of more concentrated solution, the supplemental solution should desirably be . .
' ~2~;53~7 employed at the maximum concentration as permitted by the solubility.
The bleach-fixing solution of the present invention should preferably be used at pH 2.0 to lO.0, more preferably at p~ 3.0 to 9.5, most preferably at pH 4.0 to 9Ø The temperature for processing should desirably be 80 C or lower, more desirably 55 C or lower, most desirably 45 C or lower~ for the purpose of suppressing evaporation, etc. The bleach-fixing processing time should preferably be within 8 minutes, more preferably within 6 minutes.
The bleach-fixing solution of the present invention can contain various additives together with the organic acid ferric complex as the bleaching agent as described above.
As the additives which can contribute to bleach-fixing characteristic, it is desirable to incorporate particu-larly alkali halides or ammonium halides, such as potassium bromide, sodium bromide, sodium chloride, ammonium bromide, ammonium iodide, sodium iodide, potassium iodide, etc. It is also possible to use suitably solubilizing agents such as triethanolamine, etc. or those generally known to be added in bleaching solution such as acetylacetone, phosphonocarboxylic acid, polyphosphoric acid, organic phosphonic acid, oxycarbo-xylic acid, polycarboxylic acid, alkylamines, polyethyl-eneoxides, etc.
For the bleach-fixing solution of the present invention, it is also possible to use a special bleach-fixing solution such as a bleach-fixing solution comprising a composition in which a halide such as potassium bromide is added in a small amount, or contrariwise a bleach-fixing solution in which a halide ~such as potassium bromide, ammonium bromide and/or ammonium iodide, potassium iodide is added in a large amount, and further .
~... ..
~i5377 a bleach-fixing solution with a composition comprising a combination of the bleaching agent of the present inven-tion and a large amount of a halide such as potassium bromide.
The silver halide fixing agent to be incorporated in the bleach-fixing solution of the present invention may be a compound used conventionally in fixing processing which can react with a silver halide to form a water soluhle complex, including thiosulfates such as potassium thiosulfate, sodium thiosulfate, ammonium thiosulfate, etc., thiocyanates such as potassium thiocyanate, sodium thiocyanate, ammonium thiocyanate, thiourea, thioether, highly concentrated bromides, iodides, etc. as typical examples. These fixing agents may be used in amounts lS within the range which can be dissolved, namely 5 g/liter or more, preferably 50 g/liter or more, more preferably 70 g/liter or more.
The bleach-fixing solution of the present invention may also contain various pH buffers such as boric acid, borax, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate, acetic acid, sodium acetate, ammonium hydroxide, etc.
either singly or in a combination of two or more compounds. Further, various fluorescent whitening agents, defoaming agents or antifungal agents may also be contained in the bleach-fixing solution. Also, preserva-tives such as hydroxylamine, hydrazine, sulfites, meta-bisul~ites, bisulfite adducts of aldehyde or ketone : compounds, other additives, or organic solvents such as methanol, dimethylformamide, dimethyl sulfoxide, etc. may be contained, as desired. Further, it is desirable to : add a polymer or a copolymer having a vinyl pyrrolidone : nucIeus as disclosed in Japanese Provisional Patent PubIication No. 10303/1985.
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.
1~6537~
As other desirable compounds to be added in the bleach-fixing solution of the present invention for accelerating bleach-fixing characteristic, there may be included tetramethylurea, phosphoric trisaimethylamide, ~-capro-lactam, N-methylpyrrolidone, N-methylmor~holine, tetra-. ~,~Cc~ r)~ f/~
L~ ethyleneglycol monophenyl ether, ~ee~-il~, glycol monomethyl ether, etc.
In the processing method of the present invention, it is preferred that the bleach-fixing of the present invention should be performed immediately after color developing, but it is also possible to carry out the bleach-fixing processing of the present invention following the processing such as wat~r washing, rinsing or stopping, etc. after color developing. Most preferably, after pre-ixing processing carried out after color developing asmentioned above, the bleach-fixing processing of the present invention should be conducted, and, in this case, the bleaching accelerator of the present invention may be /~/C'~r~o~af ecl ~*e3~@e~e~ in said pre-fixing processing.
The bleach-fixing proc~ssing may be followed by stabilizing processing without washing with water or alternatively followed by washing with water before stabilizing processing. In addition to the above steps, there may also be added various auxiliary steps such as of film hardening, neutralization, blac~~and-white developing, reversal, washing with a small amount oE
water, etc., if~desired. ~ypical examples of preferable processing methods may include the various steps as shown below:
30~ (1) Color developing --~ Bleach-fixing --~ Water washing (2) Color developing --~ Bleach-fixing --~ Washlng with a small amount of water > Water washing (3) Color developing --3 Bleach-fixing --~ Water washing 5fa~
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(4) Color developing ~ Bleach-fixing --~ Stabilizing (5) Color developing --~ Bleach-fixing ~ First stabil-izing --~ Second stabilizing (6) Color developing --~ Water washing (or stabilizing) 5--3 Bleach-fixing ` Water washing (or s-tabilizing) ( 7 ) Color developing ~ Pre-fixing --7~ Bleach-fixing --~
Water washing (8) Color developing ~ Pre-fixing ,~ Bleach-fixing >
Stabilizing (9) Color developing --~ Pre-fixing -~ Bleach-fixing >
First stabilizing ` Second stabilizing (10) Color developing ~ Stopping --~ Bleach-fixing --~Water washing -~ Stabilizing.
O these processing steps t those of (3), (4), ~5), ~8) and ~9) may preferably be employed in the present invention, because the efect of the present invention can be exhibited more markedly. And, most preferred are the processing steps of (4), (5), (8) and (9).
In the bleach-fixing solution of the present invention, various inorganic metal salts should preferably be addeid.
These inorganic metal saIts may be added preferably after formation of metal complexes together with various chelating agents.
In the bleach-fixing solution of the present invention, chelating agents and~or ferric complexes thereof outside the scope of the present invention may be added.
However, it is preferred to use the ferric complex outside the scope of the present invention at a propor-tion of 0.45 mole ~ or less relative to the organic acid ferric complex of the present invention.
As described above, it is preferred to incorporate the -bleaching accelerator of the present invention in the pre-fixing solution, and most preferably the bleach-. ........ . .
::
~2653~7 /f~ S
fixing solution also e~R~ the bleaching accelerator.
However, it will be suffice to incorporate the bleaching accelerator in either one of them. When the bleaching accelerator is contained in only the pre-fixing solution, said bleaching accelerator will be carried by the color light-sensitive material from the pre-fixing solution to be brought into the bleach-fixing solution to exhibit its effect therein.
In the bleach-fixing solution, for returning the reduced product of the iron complex formed in the bleach-fixing solution to the oxidized product, it is preferable to apply an oxidation treatment. As said oxidation treatment, there may be employed the air oxidation step.
The air oxidation step as herein mentioned refers to a compulsory oxidation treatment in which oxidation treatment i9 carried out by introducing compulsorily air bubbles into the processing solution in the bleaching solution tank or ~he bleach-fixing solution tank in an automatic developing machine to be contacted therewith for oxidation treatment. This means r ~i-~e involving also oxidation by natural contact of the air on the liquid surface, is generally called ~ aeration, and oxidation should desirably be conducted with high oxidation efficiency through contact of the bubbles delivered from the tank bottom with the processing solution, while making the contact area with the solution as large as possible by permitting the air delivered from a device such as a compressor to pass through a dif~user having micropores such as an air distributor thereby making the sizes of the air~as small as possible for ~ enhancement of the oxidation efficiency.
; Such aeration is conducted primarily in the processing tank, but may also be conducted batchwise in a separate tank, or alternatively in an auxiliary tank for aeration equipped on the side of the tank. Particularly, when ; :
:. '' ' .: :' , - : :.
: ~, ~:6S377 carrying out regeneration of the bleaching solution or the bleach-fixing solution, it should be conducted outside oE the tank solution. In the present invention, since no overaeration is conceivable, aeration may be conducted throughout the whole processing time, or strong aeration may be effected intermittently, or any other desired method may be adopted. ~owever, the bubble size of the air should be as small as possible for better efficiency, whereby entrainment of air bubbles into other solutions can be prevented by splash, etc. Also, in the present invention, it is preferred to effect aeration during stopping of the automatic processer, and to stop aeration during processing. Aeration may also be conducted separtely by leading the solution to outside of the processing solution. For aeration as described above, there may be employed in combination the shower system, the spray system and the jet atomizing system as disclosed in Japanese Provisional Patent Publications Nos. 55336/1974, 9831/1976 and 95234/1979, and the method as disclosed in West German OLS No. 21 13 651 may also be available.
The total amount of silver coated in the color light-sensitive material to be used in the present invention is the value including the contents in the colloid silver filter layer and the colloid silver halation preventive layer, which is required to be 80 mg/dm2 or less to exhibit the effect of the present invention. Preferably, it should be 60 mg/dm2 or less, particularly preferably 50 mg/dm2 or less to exhibit the effect of the present invention. With respect to photographic performance, a quantity of 20 mg/dm2 or more of silver is preferred for exhiblting good effect of the present invention.
The film thickness of the photographic constituent layer in the color light-sensitive material of the presen-t invention (gelatin film thickness) refers to the total ' ~,, .
~2653~7 film thickness, the thickness of the dried pho-tographic constituent layer, including all the hydrophilic colloid layers except for the support, namely the subbing layer, the halation preventive layer, the intermediate layer, at least three emulsion layers, the filter layer, the protective layer, etc. The thickness is measured by a micrometer, and the total thickness of the photographic constituent layer in the present invention is 25 ~m or less, preferably 22 ~m or less, particularly 20 ~m or less, most preferably 18 ~m or less. With respect to photographic performance, a total thickness of at least 8 ~m is preferred for exhibiting good effect of the present invention.
The silver halide in the silver halide emulsion layer of the present invention contains at least 0.5 mole ~ of silver iodide grains, but preferably 0.5 mole % to 25 mole % of silver iodide should be contained with respect to photographic characteristics and bleach-fixing characteristic, in order to exhibit the sensitivity and photographic characteristics of the color light-sensitive material and the bleach-fixing performance of the present invention. In the present invention, at a level exceed-ing 25 mole %, although it may be preferred for photo-graphic characteristics, bleach-fixing characteristic will markedly be lowered. In the present invention, the silver halide should more preferably contain 2 mole % to 20 mole % of silver iodide.
: The black colloid silver dispersion layer for halation ~ prevention to be used in the present invention has:a :~ 30 suf:iciently high optical density in the visible region : (particularly red ].ight) relative to the incident light from the support surf:ace of the color light-sensitive material or the incident light from the emulsion surface.
~::: : On the other hand, it has a sufficiently low reflectance ~35 relatlve to the incident light from the emulsion surface ^
~,.... ` . ~, .' " ' ' : ~ , .
~2~S3~
of the color light-sensitive material.
The above black colloid sivler dispersion layer should desirably consist of sufficiently fine particulate colloid silver in view of reflectance and bleach-fixing characteristic. However, since sufficiently fine particulate colloid silver will absorb primarily yellow to yellowish brown color without being increased in optical density to red light, it cannot but be consti-tuted of somewhat coarse grains. As the result, physical phenomenon caused by these silver grains is liable to occur, whereby the bleach-fixing characteristic at the boundary with the silver halide emulsion layer may be considered to be worsened. Particularly, when the silver halide emulsion layer contains at least 0.5 mole ~ of silver iodide grains, the phenomenon of lowering in bleach-fixing characteristic will become marked particularly when the silver halide emulsion layer nearest to the support contains at least 0.5 mole % of silver iodide grains. This effect can be marked in a multi-layer color light-sensitive material having 3 layers or more of silver iodide containing layers, whereby the effect of the present invention may be estimated to be most marked.
In the present inven~ion, the effect of the present invention can be exhibited most effectively when a light-sensitive material containing a core-shell emulsion is processed. Al~hough a part of core-shell emulsions to be employed may be described in detail in, for example, ; ~ Japanese Provisional Patent Publication No. 154232/1982, preferable color light-sensitive materials contain a core havlng silver halide composition containing 0.1 to 20 mole ~ of silver iodide, preferably 0.5 to lO mole %, and a shell comprising silver bromide, silver chloride, silver iodobromide, silver chlorobromide or a mixture thereof.
:
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.
.
,. -; , ~2~S3~7 Particularly desirably, the shell may be a silver halide emulsion comprising silver iodobomide or silver bromide~
Also, in the present invention, a preferable effect may be exhibited by making the core substantially mono-dispersed silver halide grains and making the thicknessof the shell 0.01 to 0.8 ~m.
The color light-sensitive material of the present invention is characterized by comprising silver halide grains containing at least 0.5 mole ~ of silver iodide, having a halation preventive layer comprising black colloid silver as the lowest layer, having a total silver quantity coated of 80 mg/dm2 or less, preferably 60 mg/dm2 or less, particularly preferably 50 mg/cm2 or less, and having a film thickness of the photographic constituent layer excluding the substrate (gelatin film thickness) of 25 ~m or less, preferably 22 ~m or less, further preferably 20 ~m or less, particularly 18 ~m or less. Particularly, its specific feature resides in employing silver halide grains containing silver iodide in the core and/or shell and shielding the core with a shell having a specific thickness as defined above of silver halide grains comprising silver bromide, silver chloride, silver chlorobromide or silver iodobromide or a mixture thereof, thereby utilizing the high sensitivity property inherent in silver halide grains containing silver iodide and shielding disadvantageous properties of said grains~
The silver halide emuision having silver halide grains having shells with specific thicknesses as defined above can~be prepared by coating the silver halide grains contained in a mono-dispersed emulsion as the cores with shells. The ratio of the silver iodide to silver bromide when the shell is silver iodobromide should preferably be made 20 mole ~ or less.
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~2~37~
For making the cores mono-dispersed silver halide grains, grains of desired sizes can be obtained according to the double jet method while maintaining pAg constant. Also, for preparation of highly mono-dispersed silver halide emulsions, the method as disclosed in ;Japanese Provisio-nal Patent Publication No. 48521/1979 may be applicable.
As a preferred embodiment of this method, it can be prepared by adding an aqueous potassium iodobromide-gelatin solution and an aqueous ammoniacal silver nitrate solution into an aqueous gelatin solution containing silver halide seed grains according to the method in which the addition rate is varied as the function of time. In this me-thod, by selecting suitably the time B function of the addition rate, pH, pAg,-t-e~t-~e, etc., 15 a highly mono-dispersed silver halide emulsion can be obtained.
The grain size distribution of a mono-dispersed emulsion will form substantially a Gaussian distribution, and therefore the standard deviation can easily be determined. Now, the broadness of distribution is defined by the relationship formula:
Standard deviation x 100 = broadness of distr~ibution (%~
and then the broadness of distribution capable of with-standing significant regulation of the absolute thickness of coating may preferably be a mono-dispersibility of 20 % or less, more preferably 10 % or less.
Next, the thickness of the shell covering the core should be a thickness which does not shield-the preferable ~
- property of the core, but can contrariwise sufficiently ~shield the unfavorable properties of ~he core. That is, the thickness is limited to a narrow range restricted by such upper and lower limits. Such a shell can be formed by depositing a soluble halide compound solution and~a ; ~ soluble silver solution according to the double jet : . ~
:
:
;i3~77 method on the mono-dispersed core.
For example, according to the experiments in which substantially mono-dispersed silver halide grains with an average grain size of 1 ~m containing 2 mole % of silver iodide were used as the core and shells of 0.2 mole silver iodobromide were varied variously in coating thickness, when, for example, a shell with 0~85 ~m thickness was prepared, the mono-dispersed silver halide grains according to this method were low in covering power. When these were processed with a processing solution having physical developability containing a solvent dissolving silver halide and observed with a scanning type electron microscope, it was found that no filament of developed silver appeared. This sugyest5 lS lowering in optical density, and further lowering in covering power. Accordingly, in view of the filament form of the developed silver, the same experiment was conducted by making thinner the thickness of the shell of silver bromide on the surface while varying the average grain size of the core. As the result, it was ~ound that a large number of good developed filaments were formed at B an absolute thickness of the shell of 0.8 ~m or less ~rres~æc~t ~v~
(preferably 0.5 ~m or less) ~r~s~e~t-i~L~ of the average grain size of the core to give rise to sufficient optical density, and without impairment of the property of high sensitization of the core.
On the other hand, if the thickness of the shell is too thin, the portion~of the material of the core containing silver iodide will appear uncovered, whereby the effect ~of coating of the shell on the surface, namely the chemical sensitizing effect, the rapid developing and rapid fixing, etc. will be lost. The lower limit of its ; thickness should preferably be 0.01 ~m.
~:
~ Further, when confirmed with a highly mono-dispersed core :
, .
- ,., ; ,.
., . , 12G~i377 with a distribution broadness of lO % or less, the preferable shell thickness is n . ol to 0.06 ~m, most preferably 0.03 ~m or less.
Improvement of optical density through sufficient generation of developed silver filaments, generation of the sensitization effect through utilization of the property of high sensitization of the core and generation of rapid developability and fixability as described above can be effected due to the shell regulated in its thickness as described above by the highly mono-dispersed core as well as synergistic effect of the silver halide compositions of the core and the shell. Therefore, provided that the thickness regulation of the shell can be satisfied, the silver halide constituting said shell to be employed may be silver iodobromide, silver bromide, silver chloride or silver chlorobromide or a mixture thereof. Among them, with respect to compatibility with the core, performance stability or storability, silver bromide, silver iodobromide or a mixture of these may preferably be employed.
: The light-sensitive silver halide emulsion to be used in : the present invention may be applied with doping with various metal salts or metal complexes during formation by precipitation of the silver halide of the core and the shell, during growth of grains or after completion of the growth. For example, metal salts or complexes of gold, platinum, palladium, iridium, rhodium, bismuth, cadmium, copper, etc. and combinations thereof may be applicable.
The excessive halides formed during prepration of the emulsion to be used in the present invention or salts, compounds such as nitrates or ammonium salts which were : by-produced or became unnecessary may be remo~ed. The ~: method for removing such compounds may include those ~ ~ : conventionally used for emulsions in generaI such as the :~ :
~ ,., ..
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.
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, Noodel water washing method, the dialysis method or the coagulation precipitation method.
The emulsion to be used in the present invention may also be applied with various chemical sensitizing methods applied for emulsions in general. For example, chemical sensitization may be effected by using solely or in combination active ~elatin; noble metal sensitizers such as water soluble gold salts, water soluble platinum salts, water soluble palladium salts, water soluble rhodium salts, water soluble iridium salts, etc.; sulfur sensitizers; selenium sensitizers; reductive sensitizers such as polyamine, stannous chloride, etc. Further, the silver halide can be optically sensitized to a desired wavelength region. The optical sensitizing method of the emulsion of the present invention is not particularly limited, but optical sensitization ~e.g. color intensify-ing sensitization) may be possible by using singly or in combination, for example, cyan dyes such as zeromethyne dyes, monomethyne dyes, trimethyne dye9, etc. or merocyan dyes. These techniques are disclosed in U.S. Patents No.
2,688,545, No. 2,912,329, No. 3,397,060, No. 3,615,635 and No. 3,628,964; U.K. Patents No. 1,195,302, No.
1,242,588 and No. 1,293,862; West German Patents (OLS) No. 2,030,326 and No. 2,121,780; and Japanese Patent 2S Publications No. 4936/1968 and No. 14030/1969. These techniques can be selected as desired depending on the wavelength region to be sensitized, the sensitivity, the purpose and use of the light-sensitive materials.
The silver halide emulsion to be used in the present invention can further be obtained, in formation of the silver halide grains contained by using a silver halide emulsion comprising core grains of substantially mono-dispersed silver halide grains and covering shells over said core grains, as a mono-dlspersed silver halide emulsion with a uniform shell thickness. Such a , : . .
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substantially mono-dispersed silver halide emulsion may be provided for use with such a grain size distribution, or alternatively two or more mono-dispersed dispersions with different average grain sizes may be blended at any desired stage after grain formation to be formulated so as to give a desired tone to intended use.
The silver halide emulsion to be used in the present invention should desirably contain the silver halide grains of the present invention at a proportion relative to the total silver halide grains contained in the emulsion which is equal to or more than the emulsion obtained by coating a substantially mono-dispersed core with a distribution broadness of 20 % or less with a shell. However, other silver halide grains outside the scope of the present invention may also be contained within the range which does not interfere with the effect of the present invention. Said other silver halide outside the scope of the present invention may be either core-shell type or other than core-shell type, and it may be either mono-dispersed or poly-dispersed~ In the silver halide emulsion to be used in the present invention, at least 65 ~ by weight of the silver halide grains contained in said emulsion should preferably comprise the silver halide grains of the present invention, desirably almost all thereof comprise the silver halide grains of the present invention.
~he present invention is also inclusive of the case of an emulsion containing silver haIide yrains shaped in flat plates containing at least 0.5 mole % of silver iodide.
30~ Thus, the emulsion of the present invention to be used in the~silver halide emulsion layer oE the present inv~ention is inc;luded within the present invention, ~ ~e~6~-}~
of whether the silver halide grains may be (1~) the core-shell grains containing silver iodide as described above;
t2) the silver halide grains shaped in flat plates , ~ , : `' -"':' " ' ', :' `
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3'77 containing silver iodide (said silver halide grains shaped in flat plates containing silver iodide may be core-shell type or any other kype); (3~ a mixture of the above (1) and (2).
In the following, the silver halide grains shaped in flat B plates containing silver iodide are-t~-be explained.
The flat plate silver halide grains should preferably have grain sizes of 5-fold or more of the grain thick-ness. Said flat plate silver halide grains can be prepared according to the processes in general as disclosed in Japanese Provisional Patent Publications No.
113930/1983, No. 113934/1983, No. 127921/1983, No.
108532/L983, ~o. 99433/1984, No. 119350/1984, etc. In the present invention, with respect to the color stain and the effect on the image quality, it is preferred to use those having particle sizes of 5-fold or more, preferably 5 to 100-fold, particularly preferably 7 to 30-fold, of the grain thickness. Further, particle sizes of 0.3 ~m or more are preferred, and those with particle sizes of 0.5 to 6 ~m are particularly preferred. The flat plate silver halide grains, when processing a light-sensitive material having a layer containing 50 %
by weight or more of such grains in at least one layer of silver halide emulsions, can exhibit more preferably the effect of the present invention, and a particularly preferably eect can be exhibited when most of the silver halide emulsion layers comprise the above fIat plate silver halide emulsions.
, The flat plate silver halide grains are particularly useful when they are core-shell type. And, when they are core-shell type, it is preférred that the requirements as ~ ~ described above for core-shell should also be satisfied.
: ~ : : :
; ~ Generally speaking, a flat plate silver halide grain is ~, ., ' ' ~ ~,:
. :~: ~. .. .
. ;: .".,. - ~ : :
~26~;377 shaped in a flat plate having two parallel planes, and therefore the "thickness" in the present invention ls represented by the distance between the two parallel planes constituting the flat plate silver halide grain.
On the other hand, the "grain size" refers to the diameter of the projected face when the flat plate silver halide grain is viewed in the direction perpendicular to the flat surface, and when it is not circular, a circle with its longest length is assumed as its diameter, which is referred to as the grain size.
The halide composition of the flat plate silver halide grain should preferably be silver bromide and silver iodobromide, particularly a silver iodobromide containing 0.5 to 10 mole ~ of silver iodide.
~ 15 Next, the method for preparation of flat plate silver L~ halide grains is ~ explained.
As the method for prepration of flat plate silver halide grains, those known in this field of the art can be combined suitably.
.
For example, they can be obtained by forming, in an atmosphere of a relatively high pAg value with pBr value of 1.3 or less, seed crystals in which flat plate silver halide grains exist at 40 % by weight or more, and permitting the seed crystals to grow while maintaining substantially the same pBr value and adding at the same time a silver and a halide solutions.
In the course of the grain growthJ it is desirable to add the siIver and the halide solutions so that no new crystal nucleus may be generated.
30 The size of the flat plate silver halide grain can be .
~ .
' . ' -:~. : : :
, .,, : , ' .
. .~
~2~i3~7 controlled by temperature control, selection of the solvent and its amount, and controlling the addition rate of the silver salt and the halide to be used during grain growth.
By using optionally a silver halide solvent during preparation of the flat plate silver halide grains, the grain size, the grain shape (diameter/thickness ratio, etc.), the grain size distribution and the growth rate of grains can be controlled. The amount of the silver 10 halide solvent should preferably be 1 x 10 3 to 1.0 ~ by weight, particularly preferably 1 x 10 2 to 1 x 10 1 ~ by weight, of the reaction mixture.
For example, as the increase in the amount of the silver halide solvent employed, the silver halide grain size distribution may become more mono-dispersed, whereby the growth rate can be accelerated. On the other hand, the thickness of the silver halide grains also tend to be increased with the increase of the silver halide solvent employed.
The silver halide solvent to be employed may include ammonia, thioether, thioureas, etc. As for thioethers, reference may be made -to U.S. Patents No. 3,271,157, No.
3~790r387 and No. 3,574,628.
Durin~ preparation of flat plate silver halide grains, there may preEerably be employed the methods of elevating the addition rate, the addition quantity and the~addition concentration of a silver salt solution ~e.g aqueous AyNO3 solution) and a halide solution (e.g. aqueous KBr solut~ion) to be added for accelerating grain growth.
: .
0 Concerning the;se methods, reference may be made to, for ~example, U.K. Patent No. 1,335,925; U.S. Patents No.
3,672,900, No. 3,650,757 and No. 4,242,445; and Japanese 5;3~7 Provisional Patent Publications No. 142329/1980 and No.
158124/1980.
The flat plate silver halide grains can be chemically sensitized, if desired. As to said chemical sensitiza-tion method, reference may be made to the descriptionabout the sensitization method for the core-shell type.
Particularly, in view of saving of silver, the flat plate silver halide grains of the present invention should preferably be sensitized according to gold sensitization or sulfur sensitization or a combination thereof.
In the layer containing the flat plate silver halide grains, said flat plate silver halide grains should preferably exist at a weight ratio of 40 % or more, particularly 60 ~ or more based on the total silver halide grains in said layer.
The thickness of the layer containing the flat plate silver halide grains should preferably be 0.5 ~m to 5.0 ~m, more preferably 1.0 ~m to 3.0 ~m~
Also, the amount of the flat plate silver halide grains 2D coated lon one side) may preferably be 0.5 g/m2 to 6 g/m2, more preferably 1 g/m2 to 5 g/m2.
Other constitutions o the layer containing the ~lat plate silver halide grains, for example, binder, film hardening agent, antifoggant, stabilizer for silver halide, surfactant, spectral sensitizing dyestuff, dye, UV-absorber, etc. are not particularly limited, but reference may be made to the description in, for example, Research Disclosure, Vol. 176, pp. 22 - 28 (December, 1978).
Next, descr-ption is made about the silver halide emulsion layer (hereinafter written as the upper silver : : : :
~`.=, ~:
:: : :
~.2~5i3Yi~7 halide emulsion layer) existing on the outside (surface side) of the layer containing the above flat plate silver halide grains.
The silver halide grains to be used in the upper silver S halide emulsion may preferably~high sensitivity silver halide grains to be used for conventional direct X-ray film.
The silver halide grains should preferably be shaped in spheres or polyhedrons or mixtures thereof. Particular-ly, 60 % or more (by weight) of the whole grains shouldpreferably be constituted of spherical grains and/or polyhedral grains which has diameter/thickness ratio of 5 or less.
The average grain size should preferably be 0.5 ~m to 3 lS ~m, and the gralns can be grown with the use of a solvent ; such as ammonia, thioether, thiourea, etc., if desired.
The silver halide grains should preferably be sensitized according to the gold sensitization method, the sensiti-zation method with other metals, or the reductive sensi-tization method, or the sulfur sensitization method, or the sensitization method according to a combination of two or more of these methods.
Other constitutions of the upper emulsion layer are not particularly limited similarly as the layer containing 25 ~ flat~plate silver ha~lide grains, and xeference ~ay be made to the description in Research Disclosure Vol~. 176, supra. ; ~ ~ ~
It is also preferable to incorporate epitaxially ::
unctioned silver halide grains as disclosed in Japanese Provisional Patent Publications No. 103725/1978, No.
133540/1984, No. 162540/1984, etc.
: ::
:
, . . ;-" .
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The silver halide emulsion of the present invention can contain various additives conventionally used depending on the purpose. For example, there may be included stabilizers or antifoggants such as azaindenes, triazoles, tetrazoles, imidazoliums, tetrazolium salts, polyhydroxy compounds, etc.; film hardeners such as of aldehyde type, aziridine type, isoxazole type, vinyl sulfone type, acryloyl type, carbodiimide type, maleimide type, methanesulfonic acid ester type, triazine type, etc.; developing accelerators such as benzyl alcohol, polyoxyethylene type compounds, etc.; image stabilizers such as couromane type, couramane type, bisphenol type, phosphite ester type; lubricants such as wax, glycerides of higher fatty acids, higher alcohol esters of higher fatty acids, etc. Also, as surfactants, for coa-ting aids, enhancer of penetrability o processing solutians, defoaming agents or materials for controlling various physical properties o the light-sensitive material, there may be employed various surfactants of anionic type, cationic type, nonionic type and amphoterlc type.
Particularly, it is preferred that these surfactants should be dissolved out into the processing solution having bleaching ability. As the antistatic agent, there may effectively be employed diacetyl cellulose, styrene-perfluoroalkyl sodium maleate copolymer and alkali saltof the reaction product of styrne-maleic acid anhydride copolymer and p-aminobenzenesulfonic acid. The matting agent may include polymethyl methacrylate, polystyrene and alkali-soluble polymers. Further, coll~idal silicon oxide may also be available. As the latex to be added for improvement of film properties, there may be employed : copolymers of an acrylic acid ester, a vinyl ester with : other monomers having ethylenic groups. The gelatin plasticizer may be, for example, glycerine, glycolic : 35 compounds, etc., and the thickeners may bej for example, styrene-sodium maleate copolymer, alkyl vinyl ether-maleic acid copolymer, etc.
, .
.. .
: -, ', :: ' ' ~ ;~
In the color light-sensitive material of the present invention, the hydrophilic colloid to be used for preparation of emulsions and other hydrophilic colloid layer coating solutions may include any of proteins such as gelatin, gelatin derivatives, graft polymers of gelatin with other polymers, albumin, casein, etc.;
cellulose derivative such as hydroxyethyl cellulose~
carboxymethyl cellulose, etc.; starch derivatives s' synthetic hydrophilic homopolymers or copolymers such as polyvinyl alcohol, polyvinylimidazole, polyacrylamide, etc.
The support for the color light-sensitive material of the present invention may be, for example, a glass plate, a polyester film such as cellulose acetate, cellulose nitrate or polyethylene terephthalate, a polyamide film, a polycarbonate ilm, a polystyrene film, etc., and further it may be a conventional re~lective support (e.~.
baryta paper, polyethylene-coated paper, polypropylene synthetic paper, transparent support provided with a reflective layer or employing a reflective material in combination), and these supports may be selected : appropriately depending on the purpose of use of the light-sensitive material.
For coating o~ the s.ilver halide emulsion layers and other photographic constituent layers to be used in the present invention, there may be employed various coating methods such as dip coating, air doctor coating, curtain coating, hopper coating, etc. It is also possible to use simultaneous coating two or more layers according to the 30 method as disclosed in U.S. Patents ~o. 2,761,791 and No.
2,941,8980 For applying the siIver halide emulsion layer for a light-sensitive material for color, there may be employed : the method and the materials to be used for light-sensi-.~s :
,~' ' , :
~ . . ..
~53~7~
tive materials for color, for example, incorporation of cyan, magenta and yellow couplers in combination into the silver halide emulsions of the present invention con-trol-led by color sensitlzation to red-sensitive, green-sensi-tive and blue-sensitive.
The color light-sensitive material for which the bleach-fixing solution of the present invention is applicable may be of the internal developing system containing a color forming agent in the light-sensitive material (see U.S. Patents No. 2,376,679 and ~o. 2,801,171) or otherwise of the external developing system containing a color forming agent in the developer (see U.S. Patents No. 2,252,718, No. 2,592,243 and No. 2,590,970). The color forming agent may be any of those generally known in the field of the art. For example, as the cyan color forming agent, there may be employed those having a naphthol or phenol structure as the basic structure and capable of forming an indoaniline dye through coupling;
as the magenta color forming agents, those having a 5-pyrazolone ring having active methylene group as the skeltal structure; and as the yellow color forming agents, those haviny an acylacetanilide structure such as benzoylacetanilide or pivalylacetanilide having active methylene chain, and having or not having substituent at the coupling position. Thus, as the color forming agent, either the so-called diequiva~ent type coupler or tetra-eguivalent type coupler may be applicable.
The monochromatic developer to be used for processing of the present invention may be one caIled as the blac~-and-white first develope~ to be used for color light-sensi-tive materials or one to be used for monochromatic light-senslt~lve material, which can incorporate various addi-tives to be added in monochromatic developers~in general.
Typical additives may include developing agents such as :
~,.. . .. . .
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~2~i3~7 l-phenyl-3-pyrazolidone, Metol and hydroquinone; preser-vatives such as sulfites; accelerators comprising alkalis such as sodium hydroxide, sodium carbonate, potassium carbonate, etc.; inorganic or organic inhibitors such as potassium bromide or 2-methylbenzimidazole, methylbenz-thiazole, etc.; hard water softeners such as polyphospho-ric acid salt; surface excessive developing preventives comprising minute amount of iodide or thiol compound, and so on.
The aromatic primary amine color developing agent to be used in the color developer to be used prior to process-ing with the bleach-fixing solution oF the present invention may include various compounds widely employed in various color photographic processes. These develop-ing agents include aminophenol type and p-phenylenedi-amine type derivatives. These compounds are employed rather in salt form such as hydrochloride or sulfate Eor the purpose of stability than in free form. Th~se compounds should preferably be employed at concentrations Z of about 0.1 g to about 30 g per liter of the color developer, more preferably about 1 g to about 15 g per liter.
As the aminophenol type developer, there may be incIuded, for example, o-aminophenol, p-aminophenol, 5-amino-2-hydroxytoluene, 2-amino-3-hydroxytoluene, 2-hydroxy-3-amino-1,4-dimethylben~ene and the like.
.
Particularly useful aromatic primary amine color developing agents are N,N-dialkyl-p-phenylenediamine type compounds, of which the alkyl groups and the phenyl group may either be substituted or not. Among them, particu-larly useful~compounds are N,N-diethyl-p-phenylenediamine hydrochloridet N-methyl-p-phenylenediamine hydrochloride~
N,N-dimethyl-p-phenylenediamine hydrochloride, 2-amino-5-(N-ethyl-N-dodecylamino)toluene, N-ethyl-N-~-methane-:
.
-. ~-. . ~ . ..
~Z6S377 - 111 ~
sulfonamidoethyl-3-methyl-4 aminoaniline sulfate, N~ethyl~N~~-hydroxyethylaminoaniline sul~ate, 4~amino-3~
methyl~N,N-diethylaniline sulfate, 4-amino-N~t2~methoxy-ethyl)-N-ethyl-3~methylaniline~p~toluenesulfonate and the like.
In the present invention, particularly useful color developing agents are p-phenylenediamine color developing agents having at least one water soluble group (hydro-philic group) on the amino group, and typical examples are set forth below, but the present invention is notlimited thereto.
( 1 ) C2H5/C2H4NHS02CH3 \~
~ 3/2 H~S04-H20 : (2) C2H5 C2H4H
N :
~ (3) C2H5 C2H~OH
; N :
CH 2 4~
NH2 : :
,, ~, ~,, .
.. : .,. , , ,:
, . .. ,.. , , ~: :-3~7 C2 5 f 2 4 3 N
[~3~ . 2 CH3~-S03H
5 ) C2H5 f 3H6S3 N
6 ) C~ f 2H40 ~) 1/2 ~2S04 ~H2 ;
:
( 7 ) HOC2H4 ~C2H40H
N
: , ;
( 8 ) C4 H g f 4 H 8 S 0 3 H
N :
:: : :
NH ~ ~
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~2~53~7 (9) C4Hg ~C3H6S3H
N
~10) H CH2COOH
\ /
HCl (11) C2~1S ~CH2CH20)2CH3 ~ 2 C33 ~ 5033 : NH2 : ~ :
~ : : (12)2H5 (CH2cH2o)3cH3 ~: ~ : \ /
~ N
2 CH3 ~ 903H
(13) C2 5 (CH2CH20)3C2H5 3 ~ C~ ~ 503 :
:: . . :: . -: . :: .. , ,. : ,. :.. : , :
,, ~:: : : . . ': ,.
:. , : -: ~ :: ... ..
~65i3~7 (14) C2H5 (CH2cH2O)2c2 5 N
2 CH3 ~ SO3H
Particularly ueeful color developing agents in the present invention are compounds having respective groups f -~CH ) CH20H, ~~CH2)mNHS2(CH2)ncH3~ ~~ 2 m 2 n as the substituent on the amino groups, and examples of these compounds may include (1), (2), (3), t4), (6) and (7) as mentioned above. In the above formulae, m and n are integers of 0 to 6, preferably 0 to 5.
The above p-phenylenediamine type color developing agent should preferably be incorporated into the bleach-fixing solution of the present invention.
:
The alkaline color developer to be used before processing with the bleach-fixing solution of the present invention can further contain various components conventionally added in color developers, in addition to the above aromatic primary amine type color developer, for example, alkali agents such as sodium hydroxide, sodium carbonate,~
potassium carbonate, etc., water softeners and thickeners such as alkali metal sulfites, alkali metal bisulfites, alkali metal thiocyanates, alkali metal halides, benzyl ;20 alcohol, diethylenetriaminepentaacetic acid, l-hydroxy-ethylidene-l,l-diphosphonic acid, etc., as~desired. The pH of the color;developer is usually 7 or higher, most :
generally about lO to about 13.
The bleach-lxing solution according to the~present 25;~invention is appllcahle for color~light-se~nsltive mater~ials employing the~emulsion of the present invention ;~
such as color paper, color negative film, color positive - ~ :
.,: :.
:.
3~
film, color reversal film for slide, color reversal film for movie, color reversal film for TV, reversal color paper, etc., and it is most suitable for processing of a high sensitivity color light-sensitive material containing silver iodide with the total amount of silver coated of 20 mg/dm2 or more and 80 mg/dm2 or less.
The present invention is described in more detail by referring to the following Examples, by which the embodiments of the present invention are not limited.
Exam~le l Preparation of emulsions Five kinds of mono-dispersed emulsions comprising si:lver iodobromide containing 6.0 mole % of silver iodide were prepared, and each emulsion applied with gold sensitiza-tion and sulfur sensitization. After completion of ripening, 4-hydroxy-6-methyl-1,3,3a,7-tetrazaindene was added to each emulsion.
Emulsion A: core-shell type silver iodobromide emulsion with an average grain size of 1.2 ym (shell is silver iodobromide with a thickness of 0.01 ym);
Emulsion ~: core-shell type silver iodobromide emulsion with an average grain size of 1.2 ym (shell is silver iodobromide with a thickness of 0.05 ~m);
Emulsion C: core-shell type silver iodobromide emulsion with an average grain size of 1.2 l'm (shell is silver iodobramide with a thickness of 0.5 ~m);
Emulsion D: core~shell type silver iodobromide ; ~ ~ emulsion with an average grain size of 2.6 ~m (graln size iz lO~fold~of the ~ , ~ ' ;:
: , . . .
,;;,~ : ' ., -, ~: , ' :~ . :: :: : , , .
~ Ei5377 thickness);
Emulsion E: spherical silver iodobromide emulsion with an average grain size of 1.2 ~m.
The emulsions A - C were prepared by referring to the method disclosed in Japanese Provisional Patent Publica-tions No. 48521/1979 and No. 49938/1983 by controlling pAg and pH; the emulsion D by the method disclosed in Japanese Provisional Patent Publications No. 113934/1983 and No. 99433/1984; and the emulsion E by the method disclosed in Japanese Provisional Patent Publication No.
49938/1983.
Preparation of light-sensitive materials The color llght-sensitive materials were prepared by adding the following compounds to the above emulsions.
Optical sensitization was effected by use of red-sensi-tive sensitizing dyes, namely, 285 mg/l mole AgX of anhydro-3,3'-di-(3-sulfopropyl)-5,5'-dichloro-9-ethyl-thiacarbocyaninehydroxide (dye p-l), 38.5 mg/l le AgX
of anhydro-3,3'-di-(3-sulfopropyl)-4,5,4',5'-dibenzothia-carbocyaninehydroxide (dye p-2) and 116 mg/l mole AgX of anhydro-1,3'-diethyl-3~(3-sulfopropyl)-5-trichloromethyl-4',5'-benzobenzimidazolothiacarbocyaninehydroxide (dye p-3). To this photographic emulsion was added a disper-sion of a solution of a cyan coupler of 2~(a,~ ,y, ~,~-octafluorohexanamido)-5-[2-(2,4-di-t-amylphenoxy)~
hexanamido]phenol in tricresyl phosphate prepared by ~ ~ protect dispersion in a conventional:manner to a content : of 0.3 mole of the coupler per 1 mole of AgX. Further, 4-hydroxy-~-methyl-1,3,3a,7-tetrazai~ndene as the stabilizer, poly-N-vinylpyrroli~done as the physical developing inhibitor and l-phenyl~5-mercaptotetrazole as the antifoggant were added, and the above emulsion ~as applied in layers on a polyethyleneterephthalate film .~, :
: ~ :
,. . ~ ., ,: ; , ~6537~
applied with black colloid silver. The first layer was made to have an average thickness of 4.2 ~m and the intermediate layer to have a thickness of 2 ~m, each being applied in several layers. Coatings with a thickness of 37.2 ~m in six layers and with a thickness of 18.6 ~m in three layers were prepared. The silver quantities were 96 mg/100 cm2 and 46 mg/100 cm2, respectively. The film swelling speed of the binder Tl/2 was within the range from 9 seconds to 14 seconds.
Developing processing The above color light-sensitive materials were exposed in a conventional manner and subjected to the following developing processing.
After carrying out color developing for 3 minutes and 15 seconds, bleach-fixing processing for one minute to 30 minutes, washing with water for 2 minutes and stabilizing processing for one minute, successively, the processed materials were dried.
Each processing was conducted at 37.8 C and the respective processing solutions were prepared according to the recipes shown below.
Color developing solution Potassium carbonate 30 g Sodium sulfite 2.0 g Hydroxylamine sul~ate 2.0 g Potassium bromide 1.2 g Sodium hydroxide 3.4 g N-ethyl-N-~-hydroxyethyl-3-methyl-4-aminoaniline sulfate 4.6 g :
(made up to one liter with addition of water and adjusted :::
: ` `' ," '"~' '",' ~ .
. . .
~L2~37~
to pH 10.1 with sodium hydroxide) Bleach-fixinq solution Diammonlum ethylenediaminetetraacetate 7.5 g Iron (III) ammonium ethylenediamine-tetraacetate 150.0 g Ammonium sulfite (50 % solution) 10.0 g Ammonium thiosulfate t70 ~ solution) 200.0 g (made up to one liter with addition of water and adjusted to pH 7.5 with ammonium hydroxide) ~his bleach-fixing solution is called (1), to which 0.7 g/l of the exemplary compound t~) o the bleaching accelerator was added to prepare a bleach-fixing solution (2).
Stabilizinq solution ' Formalin t35 % aqueous solution)7.0 ml Cg~l9 ~ o(CH2CH2O)10 1.0 ml (made up to one liter with water) The results are shown in Table 1. Sensitivities are represented relative to the sensitivity of the sample (5) ~as 100. In the Table, S lndicates sensitivity.
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~537'7 As apparently seen rom the above results, when the samples (1), ~2) and (3) satisfying the preferable conditions of the present invention are used as the light-sensitive material, even by use of the bleach-fixing solution of the prior art, developingcharacteristic is more excellent as compared with the samples (4) and (5) not satisfying the conditions of the present invention, and also excellent in sensitizing effect. Further, the results in Table 1 suggest that there is the optimum shell thickness. However, it can also be seen that even such an excellent photographic material may be markedly poor in bleaching characteristic with the bleach-fixing solution of the prior art in any case, when the film thickness is thick and the amount of silver coated is much~
Also, in the ca~e of a film thickness of 18.6 ~m and an amount of silver coated o 46 mg/dm2, the desilverization completion time is not shortened significantly unless a bleaching accelerator is contained in the bleach-fixing solution. However, to be surprising enough, it can be seen that the core-shell emulsion which is the preferred emulsion of the present invention can be processed within a particularly short desilverization completion time when a bleaching accelerator is contained therein.
Example 2 Similarly as in the layer constitution employed for a high sensitivity light-sensitive silver halide color photographic material in this field of art, with various auxiliary layers being interposed, a halation preventive layer, a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive siIver halide emulsion layer were laminated from the side of the-support, and a mono-dispersed high sensitivity emulsion layer was arranged on the outermost .
. ~
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~26~i377 side of sald blue-sensitive silver halide emulsion layer.
That is, the samples were prepared as described below, but the samples were made with various dried film thicknesses by varying the gelatin quantity to control the film thickness so that the amount of silver coated might be constant. The amounts of silver coated were controlled to two kinds of 100 mg/dm2 and 50 mg/dm2.
However, the following description gives only the coating conditions, and the respective recipes were prepared by varying gelatin content for varying film thicknesses.
Layer 1 ~- A dispersion of 0.8 g of black colIoid silver exhibiting high absorbance by the light at a wavelength region o 400 to 7ao nm obtained by reducing silver nitrate with the use o~ hydroquinone as the reducing agent in 3 g of gelatin was prepared and a halation preventive layer was provided by coating.
Layer 2 -- An intermediate layer comprising gelatin (dry film thickness 0.8 ~m).
Layer 3 -- A low sensitivity red-sensitive silver halide emulsion layer containing 1.5 g of a low sensi tivity red-sensitive silver iodobromide emulsion ~6 mole % of AgI), 1.9 g of gelatin and 0.4 g of tricresyl phosphate (hereinafter called TCP) containing 0.96 g of l-hydroxy-4-(~-methoxyethylaminocarbonylmethoxy)-N-[~-~2,4-di-t-amylphenoxy)butyl]2-naphthoamide (hereinafter called Cyan coupler (C - l)), 0.028 g of l-hydroxy-4-~4-(1-hydroxy-8-acetamido-3,6-disulfo-2-naphthylazol-phenoxy]-N-~-(2,4-diamylphenoxy)butyl~-2-naphthoamide disodium (hereinafter called Colored cyan coupler (CC-l)) 30 ~ dissolved therein.
Layer 4 -- A high sensitivity red-sensitive silver halide emulsion layer containing 1.1 g of a high sensi-tivity red-sensitive silver iodobromide emulsion (8 mole % of AgI), 1.6 g of gelatin and 0.15 g of TCP containing 0~.41 g of Cyan coupler~(C-l) and 0.026 g of Colored cyan ,~, :
:, ' ~
, . , .: ~
i53~7 coupler (CC~l) dissolved therein.
Layer 5 -- An intermediate layer containing 0.04 g of dibutyl phthalate (hereinafter called DBP) containing 0~08 g of 2,5-di-t-octylhydroquinone (hereinafter called Staining preventive (HQ-1)) dissolved therein and 1.2 g of gelatin.
Layer 6 ~-- A low sensitivity green-sensitive silver halide emulsion layer containing 1.6 g of a low sensi-tivity green-sensitive silver`iodobromide emulsion (15 mole % of AgI), 1.7 g of gelatin and 0.3 g of TCP
containing three kinds of couplers of 0.30 g of 1-(2,4,6-trichlorophenyl)-3-[3-(2,4-di-t-amylphenoxyacetamido)-benzeneamido]-5-pyrazolone (hereinafter called Magenta coupler (M-l)), 0.20 g of 4~4-methylenebis-11-(2,4,6-trichlorophenyl)-3-~3-(2,4-di-t-amylphenoxyacetamidol-benzeneamido]-5-pyrazolone (hereinafter called Magenta coupler (M-2)) and 0.066 g of 1-(2,4,6-trichlorophenyl)-4-(1-naphthylazo~-3-(2-chloro-5-octadecenylsuccinimido-anilino)-5-pyrazolone (hereinafter called Colored magenta coupler (CM-l)) dissolved therein.
Layer 7 -- A high sensitivity green-sensitive silver halide emulsion layer containing 1.5 g of a high sensi-tivity silver iodobromide emulsion layer (11 mole ~ of AgI), 1.9 g of gelatin and 0.12 g of TCP containing 0.093 g of Magenta coupler (M-l), 0.094 g of Magenta coupler ~M-2) and 0.049 g of Colored magenta coupler (CM-l) dissolved therein.
Layer 8 o-- A yellow filter layer containing 0.2 g of yellow colloid silver, 0.11 g of DBP containing 0.2 g of Stain preventive (HQ-l) dissolved therein and 2.1 g of gelatin.
Layer 9 ~-- A low sensitivity blue-sensitive silver halide e~ulsion layer containing 0.95 g of a low sensi-tivity bIue-sensitive silver iodobromide emulsion (6 mole ~ of AgI), 1.9 g oE gelatin and 0.93 g of DBP containing 1.84 g of a-t4-(1-benzyl-2-phenyl-3,5-dioxo-1,2,4-tri-azolidinyl)]-a-pivaloyl-2-chloro-5-~y-(2,4-di-t-amyl~
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phenoxy)butaneamido]acetanilide (hereinafter called Yellow coupler (Y-l)) dissolved therein.
Layer 10 -- A high sensitivity blue-sensitive silver halide emulsion layer containing 1.2 g of a high sensitivity blue-sensitive silver iodobromide emulsion ~7 mole ~ of AgI), 2.0 g of gelatin and 0.23 g of DBP
containing 0.46 g of Yellow coupler (Y-l) dissolved therein.
Layer 11 -- A second protective layer comprising gelatin.
Layer 12 -- A first protective layer containing 2.3 g of gelatin.
The dry film thicknesses of the photographic constituent layers in the finished samples were ound to be 7 kinds of 35 ~m, 30 ~m, 27 ~m, 25 ~m, 22 ~m, 20 ~m and 18 ~m~
These were called Samples No. 1 - 7. The film thickness of the halation preventive layer and the black colloid silver content were not changed at all.
Further, as other samples, there were formed those having the same emulsions applied on transparent polyethylene terephthalate film bases without the colloid silver halation preventive layer of the lowest layer. These layers were called Samples No. 8 - 14 in the order of thicker film thickness. Further, by use of the emulsions with the same compositions as in Samples No. 1 - 14, 14 kinds o samples accelerated in film swelling speed Tl/2 as shown in Table 2 - 2 by reducing the amount of film hardeners were prepared.
The processing steps were conducted for 3 minutes and 15 seconds Eor color developing, one minute to 30 minutes for bleach-fixing, 2 minutes for~the first stabilizing and 30 seconds for the seco~d st~bilizing.
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Each processing was performed at 37~8 C, and the respecti~e processing solutions as formulated below were employed.
Color develo~inq solution Potassium carbonate 30 g Sodium sulfite 2.0 g Hydroxylamine sulfate 2.0 g l-Hydroxyethylidene 1-1 diphosphonic acid (60 % aqueous solution)1.0 g Potassium bromide 1.2 g Magnesium chloride 3.6 g Sodium hydroxide 3.4 g N-ethyl-N-~-hydroxyethyl-3-methyl-4-aminoaniline sulfate4.6 g (made up to one liter with addition of water and adjusted to pH 10.1 with sodium hydroxide).
Bleach-ixing solution Diammonium ethylenediaminetetraacetate 7.5 g : Aminopolycarboxylic acid ferric complex (added according to Table 2) Ammonium sulfite (50 % solution) 10.0 g Ammonium thiosulfate (70 ~ solution) 200.0 g (made up to one liter with addition of water and adjusted to pH 7.5 with ammonium hydroxide).
First stabil_zing solutlon l-~ydroxyethylidene 1-1 diphosphonic acid 3.0 g 5-Chloro-2-methyl-4-isothiazolin-3-one 1.0 g Ethyl~ne glycol 1.0 g : ., ~, - . I -~
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(made up to one liter with addition of water and ad~usted to pH 7.1 with potassium hydroxide).
Second stabili2ing solution Formalin (35 % aqueous solution) 7.0 ml CgHlg ~ o(cH2c~2o)lo 1.0 ml tmade up to one liter with addition of water) As the aminocarboxylic acid in the bleach-fixing solution, ferric ethylenediaminetetraacetate complex was used for processing. The bleaching accelerator was added in an amount of 0.7 g of the exemplary compound t~) per liter. The bleach-fixing completion time was measured to obtain the results shown in Table 2.
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~Z65377 As apparently seen from the above results in Tables 2 - 1 and 2 - 2, in light-sensitive multi-layer silver halide color photographic materials having black colloid silver halation preventive layer, when the film thickness of photographic constituent layer (gelatin film thickness) is large, the bleach-fixing completion time is markedly long, which, however, will abruptly be lowered as the thickness of the photographic constituent layer is made thinner, the change being the greatest at around 25 ~m.
Also, as to the effect of the bleaching accelerator, it has little effect when the film thickness of the photo-graphic constituent layer (gelatin film thickness) is large, but a markedly great effect can be appreciatecl to be exhibited in the case of a photographic constltuent layer (gelatin film thickness) which has been made thin.
It can also be understood that the silver quantity can give no great bleaching accelerating effect, irrespec-tively of the film thickness, in the case of samples coated with greater quantity outside the scope of the present invention.
On the other hand, in the light-sensitive silver halide color photographic materials having no black colloid silver halation preventive layer, it can be seen that the film thickness of the photographic constituent layer ~gelatin film thickness) has little influence and the bleach-fixing completion time is very short. However, no such material having no halation preventive layer can be hardly practically applied, because it is worsened in sharpness as a high sensitivity photographic material such as a high sensitivity light-sensitive silver halide color photographic material for photographing.
When the bleaching accelerators (9~ and (12) were investigated, the same results as above c~uld be obta~ined.
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~`: : ' Particularly, when the film swelling speed Tl/2 is 10 seconds, as compared with the case of the speed of 35 seconds, the bleach-fixing completion time is sufficient-ly short even in absence of a bleaching accelerator, thus showing that the present invention can be accomplished for the first time by use of a combination of the optimum silver quantity, film thickness and film swelling speed.
Example 3 According to the same procedure as in Example 2, samples were prepared by varying the film thicknesses as 36 ~m and 19 ~m, and varying the silver quantity coated as 120 mg/dm2, 100 mg/dm2, 70 mg/dm2, 50 mg/dm2, 40 mgtdm2 and 30 mg/dm2, and processed by use of the bleach-fixing solution of Example 2 ~aminopolycarboxylic acid shown in Table 3). The bleach-fixing completion time was measured to obtain the results shown in Table 3. In these samples, the amount of film hardening agent was varied to change the film swelling speed Tl/2.
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As can also be seen from Table 3~ no sufficient bleaching accelerating effect can be obtained in any case of the film thickness, silver quantity and film swelling speed Tl/2 outside the scope of the present invention, but a remarkable bleaching accelerating effect can be obtained when the film thickness, the silver quantity and the film swelling speed Tl/2 all have the values not higher than those as specified in the present invention.
Exam~le 4 Following the procedure of Example 3, samples (film thickness 19 ~m) were prepared by varying the silver quantity coated and the film swelllng speed Tl/2 as shown in Table 4, and these samples were processed as described above. As the bleaching solution, 0.20 mole oE the organic acid ferric complex as shown in Table 4 was employed, and 0.7 g/l of the bleaching accelerator as shown in Table 4 was added. The bleach-fixing completion time under these conditions was measured to obtain the results as shown in Table 4.
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' . ` ": ' ~2~i~;3~7 From the results in Table 4, it can be seen that, if the film thickness is 19 ~m, desirable bleach-fixing acceleration can be exhibited at numerical values o~
.silver quantity coated and film swelling speed not higher than those specified in the present invention. Particu-larly, when the film swelling speed Tl/2 is great, an organic acid ferric complex with lower molecular weight had a markedly greater bleaching accelerating effect due to lowering in silver quantity than an organic acid ferric complex with higher molecular weight. However, when the film swelling speed Tl/2 was small, no such result was obtained, but good desilverization speed is exhibited at the optimum silver quantity in either one of the high molecular weight organic acid ferric complex or the low molecular weight organic acid ferric complex.
Example 5 According to the same process as in Example 2, with various auxiliary layers being interposed, a halation preventive layer, a low sensitivity red-sensitive silver halide emulsion layer and a high sensitivity red-sensi-tive silver halide emulsion were provided by coating.
For the purpose of controlling the film thickness, the red-sensitive silver halide emulsion layer was provided by repeated coating. The film swelling speed Tl/2 was adjusted to two kinds of 35 seconds and 7 seconds.
Layer 1 -- A halation preventive layer containing black colloid silver entirely the same as in Layer l in Example 2.
Layer 2 -- An intermediate layer en~ireLy the same as Layer 2 in Example 2.
Layer 3 -- A low sensitivity red-sensitive silver halide emulsion layer entirely the same as Layer 3 in Example 2 except for changing the silver iodide content as shown in Table S.
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~2~S377 Layer 4 ~-- A high sensitivity red-sensitive silver halide emulsion layer entirely the same as Layer 4 in Example 2 except for changing the silver iodide content as shown in Table 5.
Layer 5 ~- An intermediate layer entirely the same as Layer 5 in Example 2.
1ayer 6 ~- Layer 3 was coated again.
Layer 7 -- Layer 4 was coated again.
Layer 8 -- Layer 5 was coated again.
Layer 9 -- Layer 3 was coated again.
Layer 10 -~ Layer 4 was coated again.
Layer 11 -- Layer 5 was coated again.
Layer 12 -- A second protective layer entirely the same as Layer 11 in Example 2.
Layer 13 -- A first protective layer entirely the same as Layer 12 in Example 2.
The photographic constituent layer of the finished sample was found to have a dry film thickness of about 20 ~m. Following Example 2, exposure and developing processing were performed. The results are shown in Table S.
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53~7 ~s can be seen also from the results in Table 5, when the silver iodide content is low, desilverization speed is ~-~ rapid-}~sP ti~y of the film swelling speed T1~2 or presence of a bleaching accelerator. However, as the content of silver iodide becomes greater, the bleaching speed will become markedly rapid when the film swelling speed T1/2 is great, but at a level of the film swelling speed Tl/2 not higher than the value of the present invention, it can be appreciated that there is substan-tially no retardation in bleaching speed even if the silver iodide content may become 0.5 mole % or more, which is preferable with respect to photographic characteristics, particularly sensitivity or sharpness, or even 1 mole ~ or higher.
~ e 6 According to the same procedure as in Example 5, a sample with a silver.iodide content of 8 mole %, a film swelling speed Tl/2 of 8 seconds and an emulsion film thickness of 19 ~m was prepared.
The bleach-fixing solution employed contained 150 g of ferric ammonium diethylenetriaminepentaacetate of *2 in Example 5 per one liter and prepared based on Example 2.
Exposure and developing processing were conducted similarly as in Example 5. In the bleach~Eixing solution, the following bleaching accelerators of the present invention were added in various amounts. The I desilverization completion time was measured to obtain the results shown in Table 6.
(2) N ~ SE
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~26537'7 (3) H2N-C-NHNH-C-NH2 (4) HO-C~2-lH_CH2SH
(5) HS-CH CH -COOH (6) C2H
2 2 ) C 2C 2 S
C H
(7) H3C~ (8) C2H5~ ~NH
~NCH2CH2-SH ~NCH2CH2--S--C~
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( 10) C2H5~ /C2~5 C2H5 ,C2H5 (ll) CH3~ ~CH3 ~NcH2cH2-s-s-cH2cH2N\cH
(12) CH "NCH3 (13) CH3 ,NCH3 3\NCH2CH2-S-CY \NCH2cH2-s-c\
CH3/ \NH2 CH3/ :NHCH3 : (14) CH /,NH
3~NCH2CH2CH2NH-C-CH2-S-CY
CH3 o NH2 ( 15 ~ C2H5\
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: (16) CH3
249.10) (25) Ethylenediaminetetrapropionic acid (MW = 343.35) (26) Dihydroxyethylglycine (MW = 163.17) (27) ~itrilotripropionic acid (MW = 233.22) (28) Ethylenediaminediacetic acid (MW = 176.17~
~29) Ethylenediamine dipropionic acid (MW = 277.15) ;~ The organic acid ferric complex of the present invention is not limited to these examples, but any one of these compounds may be selected, and it is also possible to use a combination of two or more compounds, if desired.
:: ~: :: : : :: :
Among the organic acids forming the organic acid ferric complex of the present invention, particularly preferable ones include the ~olIowing:
:
. ~
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:: ~. . ,.. -, ~53~7 (1) Diethyl~netriaminepentaacetic acid (MW = 393.27) (3) Cyclohexanediaminotetraacetic acid (MW = 364.35) (5) Triethylenetetraminehexaacetlc acid (MW = 494.45) (7) Glycoletherdiaminetetraacetic acid (MW = 380.35) (9) 1,2-Diaminopropanetetraacetic acid ~MW = 306.27) (11) 1,3-Diaminopropane-2-ol-tetraacetic acid (MW = 322.27) (13) Ethylenediaminediorthohydroxyphenylacetic acid (MW = 360.37) ~16) Ethylenedlaminetetraacetic acid ~MW = 292.25) (19) Iminodiacetic acid (MW = 133.10) (21) Methyliminodiacetic acid (MW = 147.13) (23) Hydroxyethyliminodiacetic acid (MW = 177.16) (25) Ethylenediaminetetrapropionic acid (MW = 343.35) (26) Dihydroxyethylglycine (MW = 163.17) (27) Nitrilotripropionic acid (M~ = 233.22) (28) Ethylenediaminediacetic acid (MW = 176.17) (29) Ethylenediamine dipropionic acid (MW = 277.15) The organic acid ferric complex of the present invention may be used as free acid (hydrogen), alkali metal salt such as sodium salt, potassium salt, lithium salt, etc.
or ammonium salt, or a water soluble amine salt such as triethanolamine salt, etc. Preferably, potassium salt, sodium salt and ammonium salt may be used. At least one of these ferric complex salts may be used, and it is possible to use two or more compounds in combination.
The amount to be used may be chosen as desired and it is required to be chosen depending on the amount of silver and the silver halide composition in the light-sensitive material to be processed.
:
More specifically, it i6 preferred to employ 0.01 mole or more, more preferably 0.05 to 1.0 mole, per one liter of the solution employed. In the supplemental solution, for ~ supplementing smaller amount of more concentrated solution, the supplemental solution should desirably be . .
' ~2~;53~7 employed at the maximum concentration as permitted by the solubility.
The bleach-fixing solution of the present invention should preferably be used at pH 2.0 to lO.0, more preferably at p~ 3.0 to 9.5, most preferably at pH 4.0 to 9Ø The temperature for processing should desirably be 80 C or lower, more desirably 55 C or lower, most desirably 45 C or lower~ for the purpose of suppressing evaporation, etc. The bleach-fixing processing time should preferably be within 8 minutes, more preferably within 6 minutes.
The bleach-fixing solution of the present invention can contain various additives together with the organic acid ferric complex as the bleaching agent as described above.
As the additives which can contribute to bleach-fixing characteristic, it is desirable to incorporate particu-larly alkali halides or ammonium halides, such as potassium bromide, sodium bromide, sodium chloride, ammonium bromide, ammonium iodide, sodium iodide, potassium iodide, etc. It is also possible to use suitably solubilizing agents such as triethanolamine, etc. or those generally known to be added in bleaching solution such as acetylacetone, phosphonocarboxylic acid, polyphosphoric acid, organic phosphonic acid, oxycarbo-xylic acid, polycarboxylic acid, alkylamines, polyethyl-eneoxides, etc.
For the bleach-fixing solution of the present invention, it is also possible to use a special bleach-fixing solution such as a bleach-fixing solution comprising a composition in which a halide such as potassium bromide is added in a small amount, or contrariwise a bleach-fixing solution in which a halide ~such as potassium bromide, ammonium bromide and/or ammonium iodide, potassium iodide is added in a large amount, and further .
~... ..
~i5377 a bleach-fixing solution with a composition comprising a combination of the bleaching agent of the present inven-tion and a large amount of a halide such as potassium bromide.
The silver halide fixing agent to be incorporated in the bleach-fixing solution of the present invention may be a compound used conventionally in fixing processing which can react with a silver halide to form a water soluhle complex, including thiosulfates such as potassium thiosulfate, sodium thiosulfate, ammonium thiosulfate, etc., thiocyanates such as potassium thiocyanate, sodium thiocyanate, ammonium thiocyanate, thiourea, thioether, highly concentrated bromides, iodides, etc. as typical examples. These fixing agents may be used in amounts lS within the range which can be dissolved, namely 5 g/liter or more, preferably 50 g/liter or more, more preferably 70 g/liter or more.
The bleach-fixing solution of the present invention may also contain various pH buffers such as boric acid, borax, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium bicarbonate, acetic acid, sodium acetate, ammonium hydroxide, etc.
either singly or in a combination of two or more compounds. Further, various fluorescent whitening agents, defoaming agents or antifungal agents may also be contained in the bleach-fixing solution. Also, preserva-tives such as hydroxylamine, hydrazine, sulfites, meta-bisul~ites, bisulfite adducts of aldehyde or ketone : compounds, other additives, or organic solvents such as methanol, dimethylformamide, dimethyl sulfoxide, etc. may be contained, as desired. Further, it is desirable to : add a polymer or a copolymer having a vinyl pyrrolidone : nucIeus as disclosed in Japanese Provisional Patent PubIication No. 10303/1985.
,. ..
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. "
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.
1~6537~
As other desirable compounds to be added in the bleach-fixing solution of the present invention for accelerating bleach-fixing characteristic, there may be included tetramethylurea, phosphoric trisaimethylamide, ~-capro-lactam, N-methylpyrrolidone, N-methylmor~holine, tetra-. ~,~Cc~ r)~ f/~
L~ ethyleneglycol monophenyl ether, ~ee~-il~, glycol monomethyl ether, etc.
In the processing method of the present invention, it is preferred that the bleach-fixing of the present invention should be performed immediately after color developing, but it is also possible to carry out the bleach-fixing processing of the present invention following the processing such as wat~r washing, rinsing or stopping, etc. after color developing. Most preferably, after pre-ixing processing carried out after color developing asmentioned above, the bleach-fixing processing of the present invention should be conducted, and, in this case, the bleaching accelerator of the present invention may be /~/C'~r~o~af ecl ~*e3~@e~e~ in said pre-fixing processing.
The bleach-fixing proc~ssing may be followed by stabilizing processing without washing with water or alternatively followed by washing with water before stabilizing processing. In addition to the above steps, there may also be added various auxiliary steps such as of film hardening, neutralization, blac~~and-white developing, reversal, washing with a small amount oE
water, etc., if~desired. ~ypical examples of preferable processing methods may include the various steps as shown below:
30~ (1) Color developing --~ Bleach-fixing --~ Water washing (2) Color developing --~ Bleach-fixing --~ Washlng with a small amount of water > Water washing (3) Color developing --3 Bleach-fixing --~ Water washing 5fa~
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53~
(4) Color developing ~ Bleach-fixing --~ Stabilizing (5) Color developing --~ Bleach-fixing ~ First stabil-izing --~ Second stabilizing (6) Color developing --~ Water washing (or stabilizing) 5--3 Bleach-fixing ` Water washing (or s-tabilizing) ( 7 ) Color developing ~ Pre-fixing --7~ Bleach-fixing --~
Water washing (8) Color developing ~ Pre-fixing ,~ Bleach-fixing >
Stabilizing (9) Color developing --~ Pre-fixing -~ Bleach-fixing >
First stabilizing ` Second stabilizing (10) Color developing ~ Stopping --~ Bleach-fixing --~Water washing -~ Stabilizing.
O these processing steps t those of (3), (4), ~5), ~8) and ~9) may preferably be employed in the present invention, because the efect of the present invention can be exhibited more markedly. And, most preferred are the processing steps of (4), (5), (8) and (9).
In the bleach-fixing solution of the present invention, various inorganic metal salts should preferably be addeid.
These inorganic metal saIts may be added preferably after formation of metal complexes together with various chelating agents.
In the bleach-fixing solution of the present invention, chelating agents and~or ferric complexes thereof outside the scope of the present invention may be added.
However, it is preferred to use the ferric complex outside the scope of the present invention at a propor-tion of 0.45 mole ~ or less relative to the organic acid ferric complex of the present invention.
As described above, it is preferred to incorporate the -bleaching accelerator of the present invention in the pre-fixing solution, and most preferably the bleach-. ........ . .
::
~2653~7 /f~ S
fixing solution also e~R~ the bleaching accelerator.
However, it will be suffice to incorporate the bleaching accelerator in either one of them. When the bleaching accelerator is contained in only the pre-fixing solution, said bleaching accelerator will be carried by the color light-sensitive material from the pre-fixing solution to be brought into the bleach-fixing solution to exhibit its effect therein.
In the bleach-fixing solution, for returning the reduced product of the iron complex formed in the bleach-fixing solution to the oxidized product, it is preferable to apply an oxidation treatment. As said oxidation treatment, there may be employed the air oxidation step.
The air oxidation step as herein mentioned refers to a compulsory oxidation treatment in which oxidation treatment i9 carried out by introducing compulsorily air bubbles into the processing solution in the bleaching solution tank or ~he bleach-fixing solution tank in an automatic developing machine to be contacted therewith for oxidation treatment. This means r ~i-~e involving also oxidation by natural contact of the air on the liquid surface, is generally called ~ aeration, and oxidation should desirably be conducted with high oxidation efficiency through contact of the bubbles delivered from the tank bottom with the processing solution, while making the contact area with the solution as large as possible by permitting the air delivered from a device such as a compressor to pass through a dif~user having micropores such as an air distributor thereby making the sizes of the air~as small as possible for ~ enhancement of the oxidation efficiency.
; Such aeration is conducted primarily in the processing tank, but may also be conducted batchwise in a separate tank, or alternatively in an auxiliary tank for aeration equipped on the side of the tank. Particularly, when ; :
:. '' ' .: :' , - : :.
: ~, ~:6S377 carrying out regeneration of the bleaching solution or the bleach-fixing solution, it should be conducted outside oE the tank solution. In the present invention, since no overaeration is conceivable, aeration may be conducted throughout the whole processing time, or strong aeration may be effected intermittently, or any other desired method may be adopted. ~owever, the bubble size of the air should be as small as possible for better efficiency, whereby entrainment of air bubbles into other solutions can be prevented by splash, etc. Also, in the present invention, it is preferred to effect aeration during stopping of the automatic processer, and to stop aeration during processing. Aeration may also be conducted separtely by leading the solution to outside of the processing solution. For aeration as described above, there may be employed in combination the shower system, the spray system and the jet atomizing system as disclosed in Japanese Provisional Patent Publications Nos. 55336/1974, 9831/1976 and 95234/1979, and the method as disclosed in West German OLS No. 21 13 651 may also be available.
The total amount of silver coated in the color light-sensitive material to be used in the present invention is the value including the contents in the colloid silver filter layer and the colloid silver halation preventive layer, which is required to be 80 mg/dm2 or less to exhibit the effect of the present invention. Preferably, it should be 60 mg/dm2 or less, particularly preferably 50 mg/dm2 or less to exhibit the effect of the present invention. With respect to photographic performance, a quantity of 20 mg/dm2 or more of silver is preferred for exhiblting good effect of the present invention.
The film thickness of the photographic constituent layer in the color light-sensitive material of the presen-t invention (gelatin film thickness) refers to the total ' ~,, .
~2653~7 film thickness, the thickness of the dried pho-tographic constituent layer, including all the hydrophilic colloid layers except for the support, namely the subbing layer, the halation preventive layer, the intermediate layer, at least three emulsion layers, the filter layer, the protective layer, etc. The thickness is measured by a micrometer, and the total thickness of the photographic constituent layer in the present invention is 25 ~m or less, preferably 22 ~m or less, particularly 20 ~m or less, most preferably 18 ~m or less. With respect to photographic performance, a total thickness of at least 8 ~m is preferred for exhibiting good effect of the present invention.
The silver halide in the silver halide emulsion layer of the present invention contains at least 0.5 mole ~ of silver iodide grains, but preferably 0.5 mole % to 25 mole % of silver iodide should be contained with respect to photographic characteristics and bleach-fixing characteristic, in order to exhibit the sensitivity and photographic characteristics of the color light-sensitive material and the bleach-fixing performance of the present invention. In the present invention, at a level exceed-ing 25 mole %, although it may be preferred for photo-graphic characteristics, bleach-fixing characteristic will markedly be lowered. In the present invention, the silver halide should more preferably contain 2 mole % to 20 mole % of silver iodide.
: The black colloid silver dispersion layer for halation ~ prevention to be used in the present invention has:a :~ 30 suf:iciently high optical density in the visible region : (particularly red ].ight) relative to the incident light from the support surf:ace of the color light-sensitive material or the incident light from the emulsion surface.
~::: : On the other hand, it has a sufficiently low reflectance ~35 relatlve to the incident light from the emulsion surface ^
~,.... ` . ~, .' " ' ' : ~ , .
~2~S3~
of the color light-sensitive material.
The above black colloid sivler dispersion layer should desirably consist of sufficiently fine particulate colloid silver in view of reflectance and bleach-fixing characteristic. However, since sufficiently fine particulate colloid silver will absorb primarily yellow to yellowish brown color without being increased in optical density to red light, it cannot but be consti-tuted of somewhat coarse grains. As the result, physical phenomenon caused by these silver grains is liable to occur, whereby the bleach-fixing characteristic at the boundary with the silver halide emulsion layer may be considered to be worsened. Particularly, when the silver halide emulsion layer contains at least 0.5 mole ~ of silver iodide grains, the phenomenon of lowering in bleach-fixing characteristic will become marked particularly when the silver halide emulsion layer nearest to the support contains at least 0.5 mole % of silver iodide grains. This effect can be marked in a multi-layer color light-sensitive material having 3 layers or more of silver iodide containing layers, whereby the effect of the present invention may be estimated to be most marked.
In the present inven~ion, the effect of the present invention can be exhibited most effectively when a light-sensitive material containing a core-shell emulsion is processed. Al~hough a part of core-shell emulsions to be employed may be described in detail in, for example, ; ~ Japanese Provisional Patent Publication No. 154232/1982, preferable color light-sensitive materials contain a core havlng silver halide composition containing 0.1 to 20 mole ~ of silver iodide, preferably 0.5 to lO mole %, and a shell comprising silver bromide, silver chloride, silver iodobromide, silver chlorobromide or a mixture thereof.
:
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. .
.
.
,. -; , ~2~S3~7 Particularly desirably, the shell may be a silver halide emulsion comprising silver iodobomide or silver bromide~
Also, in the present invention, a preferable effect may be exhibited by making the core substantially mono-dispersed silver halide grains and making the thicknessof the shell 0.01 to 0.8 ~m.
The color light-sensitive material of the present invention is characterized by comprising silver halide grains containing at least 0.5 mole ~ of silver iodide, having a halation preventive layer comprising black colloid silver as the lowest layer, having a total silver quantity coated of 80 mg/dm2 or less, preferably 60 mg/dm2 or less, particularly preferably 50 mg/cm2 or less, and having a film thickness of the photographic constituent layer excluding the substrate (gelatin film thickness) of 25 ~m or less, preferably 22 ~m or less, further preferably 20 ~m or less, particularly 18 ~m or less. Particularly, its specific feature resides in employing silver halide grains containing silver iodide in the core and/or shell and shielding the core with a shell having a specific thickness as defined above of silver halide grains comprising silver bromide, silver chloride, silver chlorobromide or silver iodobromide or a mixture thereof, thereby utilizing the high sensitivity property inherent in silver halide grains containing silver iodide and shielding disadvantageous properties of said grains~
The silver halide emuision having silver halide grains having shells with specific thicknesses as defined above can~be prepared by coating the silver halide grains contained in a mono-dispersed emulsion as the cores with shells. The ratio of the silver iodide to silver bromide when the shell is silver iodobromide should preferably be made 20 mole ~ or less.
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~2~37~
For making the cores mono-dispersed silver halide grains, grains of desired sizes can be obtained according to the double jet method while maintaining pAg constant. Also, for preparation of highly mono-dispersed silver halide emulsions, the method as disclosed in ;Japanese Provisio-nal Patent Publication No. 48521/1979 may be applicable.
As a preferred embodiment of this method, it can be prepared by adding an aqueous potassium iodobromide-gelatin solution and an aqueous ammoniacal silver nitrate solution into an aqueous gelatin solution containing silver halide seed grains according to the method in which the addition rate is varied as the function of time. In this me-thod, by selecting suitably the time B function of the addition rate, pH, pAg,-t-e~t-~e, etc., 15 a highly mono-dispersed silver halide emulsion can be obtained.
The grain size distribution of a mono-dispersed emulsion will form substantially a Gaussian distribution, and therefore the standard deviation can easily be determined. Now, the broadness of distribution is defined by the relationship formula:
Standard deviation x 100 = broadness of distr~ibution (%~
and then the broadness of distribution capable of with-standing significant regulation of the absolute thickness of coating may preferably be a mono-dispersibility of 20 % or less, more preferably 10 % or less.
Next, the thickness of the shell covering the core should be a thickness which does not shield-the preferable ~
- property of the core, but can contrariwise sufficiently ~shield the unfavorable properties of ~he core. That is, the thickness is limited to a narrow range restricted by such upper and lower limits. Such a shell can be formed by depositing a soluble halide compound solution and~a ; ~ soluble silver solution according to the double jet : . ~
:
:
;i3~77 method on the mono-dispersed core.
For example, according to the experiments in which substantially mono-dispersed silver halide grains with an average grain size of 1 ~m containing 2 mole % of silver iodide were used as the core and shells of 0.2 mole silver iodobromide were varied variously in coating thickness, when, for example, a shell with 0~85 ~m thickness was prepared, the mono-dispersed silver halide grains according to this method were low in covering power. When these were processed with a processing solution having physical developability containing a solvent dissolving silver halide and observed with a scanning type electron microscope, it was found that no filament of developed silver appeared. This sugyest5 lS lowering in optical density, and further lowering in covering power. Accordingly, in view of the filament form of the developed silver, the same experiment was conducted by making thinner the thickness of the shell of silver bromide on the surface while varying the average grain size of the core. As the result, it was ~ound that a large number of good developed filaments were formed at B an absolute thickness of the shell of 0.8 ~m or less ~rres~æc~t ~v~
(preferably 0.5 ~m or less) ~r~s~e~t-i~L~ of the average grain size of the core to give rise to sufficient optical density, and without impairment of the property of high sensitization of the core.
On the other hand, if the thickness of the shell is too thin, the portion~of the material of the core containing silver iodide will appear uncovered, whereby the effect ~of coating of the shell on the surface, namely the chemical sensitizing effect, the rapid developing and rapid fixing, etc. will be lost. The lower limit of its ; thickness should preferably be 0.01 ~m.
~:
~ Further, when confirmed with a highly mono-dispersed core :
, .
- ,., ; ,.
., . , 12G~i377 with a distribution broadness of lO % or less, the preferable shell thickness is n . ol to 0.06 ~m, most preferably 0.03 ~m or less.
Improvement of optical density through sufficient generation of developed silver filaments, generation of the sensitization effect through utilization of the property of high sensitization of the core and generation of rapid developability and fixability as described above can be effected due to the shell regulated in its thickness as described above by the highly mono-dispersed core as well as synergistic effect of the silver halide compositions of the core and the shell. Therefore, provided that the thickness regulation of the shell can be satisfied, the silver halide constituting said shell to be employed may be silver iodobromide, silver bromide, silver chloride or silver chlorobromide or a mixture thereof. Among them, with respect to compatibility with the core, performance stability or storability, silver bromide, silver iodobromide or a mixture of these may preferably be employed.
: The light-sensitive silver halide emulsion to be used in : the present invention may be applied with doping with various metal salts or metal complexes during formation by precipitation of the silver halide of the core and the shell, during growth of grains or after completion of the growth. For example, metal salts or complexes of gold, platinum, palladium, iridium, rhodium, bismuth, cadmium, copper, etc. and combinations thereof may be applicable.
The excessive halides formed during prepration of the emulsion to be used in the present invention or salts, compounds such as nitrates or ammonium salts which were : by-produced or became unnecessary may be remo~ed. The ~: method for removing such compounds may include those ~ ~ : conventionally used for emulsions in generaI such as the :~ :
~ ,., ..
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.
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, Noodel water washing method, the dialysis method or the coagulation precipitation method.
The emulsion to be used in the present invention may also be applied with various chemical sensitizing methods applied for emulsions in general. For example, chemical sensitization may be effected by using solely or in combination active ~elatin; noble metal sensitizers such as water soluble gold salts, water soluble platinum salts, water soluble palladium salts, water soluble rhodium salts, water soluble iridium salts, etc.; sulfur sensitizers; selenium sensitizers; reductive sensitizers such as polyamine, stannous chloride, etc. Further, the silver halide can be optically sensitized to a desired wavelength region. The optical sensitizing method of the emulsion of the present invention is not particularly limited, but optical sensitization ~e.g. color intensify-ing sensitization) may be possible by using singly or in combination, for example, cyan dyes such as zeromethyne dyes, monomethyne dyes, trimethyne dye9, etc. or merocyan dyes. These techniques are disclosed in U.S. Patents No.
2,688,545, No. 2,912,329, No. 3,397,060, No. 3,615,635 and No. 3,628,964; U.K. Patents No. 1,195,302, No.
1,242,588 and No. 1,293,862; West German Patents (OLS) No. 2,030,326 and No. 2,121,780; and Japanese Patent 2S Publications No. 4936/1968 and No. 14030/1969. These techniques can be selected as desired depending on the wavelength region to be sensitized, the sensitivity, the purpose and use of the light-sensitive materials.
The silver halide emulsion to be used in the present invention can further be obtained, in formation of the silver halide grains contained by using a silver halide emulsion comprising core grains of substantially mono-dispersed silver halide grains and covering shells over said core grains, as a mono-dlspersed silver halide emulsion with a uniform shell thickness. Such a , : . .
::. .,: ':
~: - :. . -~ : , .,, ,., : , : ,.: . ... ,.. . :, ..
~537~
substantially mono-dispersed silver halide emulsion may be provided for use with such a grain size distribution, or alternatively two or more mono-dispersed dispersions with different average grain sizes may be blended at any desired stage after grain formation to be formulated so as to give a desired tone to intended use.
The silver halide emulsion to be used in the present invention should desirably contain the silver halide grains of the present invention at a proportion relative to the total silver halide grains contained in the emulsion which is equal to or more than the emulsion obtained by coating a substantially mono-dispersed core with a distribution broadness of 20 % or less with a shell. However, other silver halide grains outside the scope of the present invention may also be contained within the range which does not interfere with the effect of the present invention. Said other silver halide outside the scope of the present invention may be either core-shell type or other than core-shell type, and it may be either mono-dispersed or poly-dispersed~ In the silver halide emulsion to be used in the present invention, at least 65 ~ by weight of the silver halide grains contained in said emulsion should preferably comprise the silver halide grains of the present invention, desirably almost all thereof comprise the silver halide grains of the present invention.
~he present invention is also inclusive of the case of an emulsion containing silver haIide yrains shaped in flat plates containing at least 0.5 mole % of silver iodide.
30~ Thus, the emulsion of the present invention to be used in the~silver halide emulsion layer oE the present inv~ention is inc;luded within the present invention, ~ ~e~6~-}~
of whether the silver halide grains may be (1~) the core-shell grains containing silver iodide as described above;
t2) the silver halide grains shaped in flat plates , ~ , : `' -"':' " ' ', :' `
. ., :.. ~. :. -. - . ~, ~
. ~ :. :
::: . . ',: , .
3'77 containing silver iodide (said silver halide grains shaped in flat plates containing silver iodide may be core-shell type or any other kype); (3~ a mixture of the above (1) and (2).
In the following, the silver halide grains shaped in flat B plates containing silver iodide are-t~-be explained.
The flat plate silver halide grains should preferably have grain sizes of 5-fold or more of the grain thick-ness. Said flat plate silver halide grains can be prepared according to the processes in general as disclosed in Japanese Provisional Patent Publications No.
113930/1983, No. 113934/1983, No. 127921/1983, No.
108532/L983, ~o. 99433/1984, No. 119350/1984, etc. In the present invention, with respect to the color stain and the effect on the image quality, it is preferred to use those having particle sizes of 5-fold or more, preferably 5 to 100-fold, particularly preferably 7 to 30-fold, of the grain thickness. Further, particle sizes of 0.3 ~m or more are preferred, and those with particle sizes of 0.5 to 6 ~m are particularly preferred. The flat plate silver halide grains, when processing a light-sensitive material having a layer containing 50 %
by weight or more of such grains in at least one layer of silver halide emulsions, can exhibit more preferably the effect of the present invention, and a particularly preferably eect can be exhibited when most of the silver halide emulsion layers comprise the above fIat plate silver halide emulsions.
, The flat plate silver halide grains are particularly useful when they are core-shell type. And, when they are core-shell type, it is preférred that the requirements as ~ ~ described above for core-shell should also be satisfied.
: ~ : : :
; ~ Generally speaking, a flat plate silver halide grain is ~, ., ' ' ~ ~,:
. :~: ~. .. .
. ;: .".,. - ~ : :
~26~;377 shaped in a flat plate having two parallel planes, and therefore the "thickness" in the present invention ls represented by the distance between the two parallel planes constituting the flat plate silver halide grain.
On the other hand, the "grain size" refers to the diameter of the projected face when the flat plate silver halide grain is viewed in the direction perpendicular to the flat surface, and when it is not circular, a circle with its longest length is assumed as its diameter, which is referred to as the grain size.
The halide composition of the flat plate silver halide grain should preferably be silver bromide and silver iodobromide, particularly a silver iodobromide containing 0.5 to 10 mole ~ of silver iodide.
~ 15 Next, the method for preparation of flat plate silver L~ halide grains is ~ explained.
As the method for prepration of flat plate silver halide grains, those known in this field of the art can be combined suitably.
.
For example, they can be obtained by forming, in an atmosphere of a relatively high pAg value with pBr value of 1.3 or less, seed crystals in which flat plate silver halide grains exist at 40 % by weight or more, and permitting the seed crystals to grow while maintaining substantially the same pBr value and adding at the same time a silver and a halide solutions.
In the course of the grain growthJ it is desirable to add the siIver and the halide solutions so that no new crystal nucleus may be generated.
30 The size of the flat plate silver halide grain can be .
~ .
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, .,, : , ' .
. .~
~2~i3~7 controlled by temperature control, selection of the solvent and its amount, and controlling the addition rate of the silver salt and the halide to be used during grain growth.
By using optionally a silver halide solvent during preparation of the flat plate silver halide grains, the grain size, the grain shape (diameter/thickness ratio, etc.), the grain size distribution and the growth rate of grains can be controlled. The amount of the silver 10 halide solvent should preferably be 1 x 10 3 to 1.0 ~ by weight, particularly preferably 1 x 10 2 to 1 x 10 1 ~ by weight, of the reaction mixture.
For example, as the increase in the amount of the silver halide solvent employed, the silver halide grain size distribution may become more mono-dispersed, whereby the growth rate can be accelerated. On the other hand, the thickness of the silver halide grains also tend to be increased with the increase of the silver halide solvent employed.
The silver halide solvent to be employed may include ammonia, thioether, thioureas, etc. As for thioethers, reference may be made -to U.S. Patents No. 3,271,157, No.
3~790r387 and No. 3,574,628.
Durin~ preparation of flat plate silver halide grains, there may preEerably be employed the methods of elevating the addition rate, the addition quantity and the~addition concentration of a silver salt solution ~e.g aqueous AyNO3 solution) and a halide solution (e.g. aqueous KBr solut~ion) to be added for accelerating grain growth.
: .
0 Concerning the;se methods, reference may be made to, for ~example, U.K. Patent No. 1,335,925; U.S. Patents No.
3,672,900, No. 3,650,757 and No. 4,242,445; and Japanese 5;3~7 Provisional Patent Publications No. 142329/1980 and No.
158124/1980.
The flat plate silver halide grains can be chemically sensitized, if desired. As to said chemical sensitiza-tion method, reference may be made to the descriptionabout the sensitization method for the core-shell type.
Particularly, in view of saving of silver, the flat plate silver halide grains of the present invention should preferably be sensitized according to gold sensitization or sulfur sensitization or a combination thereof.
In the layer containing the flat plate silver halide grains, said flat plate silver halide grains should preferably exist at a weight ratio of 40 % or more, particularly 60 ~ or more based on the total silver halide grains in said layer.
The thickness of the layer containing the flat plate silver halide grains should preferably be 0.5 ~m to 5.0 ~m, more preferably 1.0 ~m to 3.0 ~m~
Also, the amount of the flat plate silver halide grains 2D coated lon one side) may preferably be 0.5 g/m2 to 6 g/m2, more preferably 1 g/m2 to 5 g/m2.
Other constitutions o the layer containing the ~lat plate silver halide grains, for example, binder, film hardening agent, antifoggant, stabilizer for silver halide, surfactant, spectral sensitizing dyestuff, dye, UV-absorber, etc. are not particularly limited, but reference may be made to the description in, for example, Research Disclosure, Vol. 176, pp. 22 - 28 (December, 1978).
Next, descr-ption is made about the silver halide emulsion layer (hereinafter written as the upper silver : : : :
~`.=, ~:
:: : :
~.2~5i3Yi~7 halide emulsion layer) existing on the outside (surface side) of the layer containing the above flat plate silver halide grains.
The silver halide grains to be used in the upper silver S halide emulsion may preferably~high sensitivity silver halide grains to be used for conventional direct X-ray film.
The silver halide grains should preferably be shaped in spheres or polyhedrons or mixtures thereof. Particular-ly, 60 % or more (by weight) of the whole grains shouldpreferably be constituted of spherical grains and/or polyhedral grains which has diameter/thickness ratio of 5 or less.
The average grain size should preferably be 0.5 ~m to 3 lS ~m, and the gralns can be grown with the use of a solvent ; such as ammonia, thioether, thiourea, etc., if desired.
The silver halide grains should preferably be sensitized according to the gold sensitization method, the sensiti-zation method with other metals, or the reductive sensi-tization method, or the sulfur sensitization method, or the sensitization method according to a combination of two or more of these methods.
Other constitutions of the upper emulsion layer are not particularly limited similarly as the layer containing 25 ~ flat~plate silver ha~lide grains, and xeference ~ay be made to the description in Research Disclosure Vol~. 176, supra. ; ~ ~ ~
It is also preferable to incorporate epitaxially ::
unctioned silver halide grains as disclosed in Japanese Provisional Patent Publications No. 103725/1978, No.
133540/1984, No. 162540/1984, etc.
: ::
:
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iS3~
The silver halide emulsion of the present invention can contain various additives conventionally used depending on the purpose. For example, there may be included stabilizers or antifoggants such as azaindenes, triazoles, tetrazoles, imidazoliums, tetrazolium salts, polyhydroxy compounds, etc.; film hardeners such as of aldehyde type, aziridine type, isoxazole type, vinyl sulfone type, acryloyl type, carbodiimide type, maleimide type, methanesulfonic acid ester type, triazine type, etc.; developing accelerators such as benzyl alcohol, polyoxyethylene type compounds, etc.; image stabilizers such as couromane type, couramane type, bisphenol type, phosphite ester type; lubricants such as wax, glycerides of higher fatty acids, higher alcohol esters of higher fatty acids, etc. Also, as surfactants, for coa-ting aids, enhancer of penetrability o processing solutians, defoaming agents or materials for controlling various physical properties o the light-sensitive material, there may be employed various surfactants of anionic type, cationic type, nonionic type and amphoterlc type.
Particularly, it is preferred that these surfactants should be dissolved out into the processing solution having bleaching ability. As the antistatic agent, there may effectively be employed diacetyl cellulose, styrene-perfluoroalkyl sodium maleate copolymer and alkali saltof the reaction product of styrne-maleic acid anhydride copolymer and p-aminobenzenesulfonic acid. The matting agent may include polymethyl methacrylate, polystyrene and alkali-soluble polymers. Further, coll~idal silicon oxide may also be available. As the latex to be added for improvement of film properties, there may be employed : copolymers of an acrylic acid ester, a vinyl ester with : other monomers having ethylenic groups. The gelatin plasticizer may be, for example, glycerine, glycolic : 35 compounds, etc., and the thickeners may bej for example, styrene-sodium maleate copolymer, alkyl vinyl ether-maleic acid copolymer, etc.
, .
.. .
: -, ', :: ' ' ~ ;~
In the color light-sensitive material of the present invention, the hydrophilic colloid to be used for preparation of emulsions and other hydrophilic colloid layer coating solutions may include any of proteins such as gelatin, gelatin derivatives, graft polymers of gelatin with other polymers, albumin, casein, etc.;
cellulose derivative such as hydroxyethyl cellulose~
carboxymethyl cellulose, etc.; starch derivatives s' synthetic hydrophilic homopolymers or copolymers such as polyvinyl alcohol, polyvinylimidazole, polyacrylamide, etc.
The support for the color light-sensitive material of the present invention may be, for example, a glass plate, a polyester film such as cellulose acetate, cellulose nitrate or polyethylene terephthalate, a polyamide film, a polycarbonate ilm, a polystyrene film, etc., and further it may be a conventional re~lective support (e.~.
baryta paper, polyethylene-coated paper, polypropylene synthetic paper, transparent support provided with a reflective layer or employing a reflective material in combination), and these supports may be selected : appropriately depending on the purpose of use of the light-sensitive material.
For coating o~ the s.ilver halide emulsion layers and other photographic constituent layers to be used in the present invention, there may be employed various coating methods such as dip coating, air doctor coating, curtain coating, hopper coating, etc. It is also possible to use simultaneous coating two or more layers according to the 30 method as disclosed in U.S. Patents ~o. 2,761,791 and No.
2,941,8980 For applying the siIver halide emulsion layer for a light-sensitive material for color, there may be employed : the method and the materials to be used for light-sensi-.~s :
,~' ' , :
~ . . ..
~53~7~
tive materials for color, for example, incorporation of cyan, magenta and yellow couplers in combination into the silver halide emulsions of the present invention con-trol-led by color sensitlzation to red-sensitive, green-sensi-tive and blue-sensitive.
The color light-sensitive material for which the bleach-fixing solution of the present invention is applicable may be of the internal developing system containing a color forming agent in the light-sensitive material (see U.S. Patents No. 2,376,679 and ~o. 2,801,171) or otherwise of the external developing system containing a color forming agent in the developer (see U.S. Patents No. 2,252,718, No. 2,592,243 and No. 2,590,970). The color forming agent may be any of those generally known in the field of the art. For example, as the cyan color forming agent, there may be employed those having a naphthol or phenol structure as the basic structure and capable of forming an indoaniline dye through coupling;
as the magenta color forming agents, those having a 5-pyrazolone ring having active methylene group as the skeltal structure; and as the yellow color forming agents, those haviny an acylacetanilide structure such as benzoylacetanilide or pivalylacetanilide having active methylene chain, and having or not having substituent at the coupling position. Thus, as the color forming agent, either the so-called diequiva~ent type coupler or tetra-eguivalent type coupler may be applicable.
The monochromatic developer to be used for processing of the present invention may be one caIled as the blac~-and-white first develope~ to be used for color light-sensi-tive materials or one to be used for monochromatic light-senslt~lve material, which can incorporate various addi-tives to be added in monochromatic developers~in general.
Typical additives may include developing agents such as :
~,.. . .. . .
.: . . . :
.: : .:, . ', , ,, ., .
., ,: ~. . ., -: :. .. . .:
: .~:
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~2~i3~7 l-phenyl-3-pyrazolidone, Metol and hydroquinone; preser-vatives such as sulfites; accelerators comprising alkalis such as sodium hydroxide, sodium carbonate, potassium carbonate, etc.; inorganic or organic inhibitors such as potassium bromide or 2-methylbenzimidazole, methylbenz-thiazole, etc.; hard water softeners such as polyphospho-ric acid salt; surface excessive developing preventives comprising minute amount of iodide or thiol compound, and so on.
The aromatic primary amine color developing agent to be used in the color developer to be used prior to process-ing with the bleach-fixing solution oF the present invention may include various compounds widely employed in various color photographic processes. These develop-ing agents include aminophenol type and p-phenylenedi-amine type derivatives. These compounds are employed rather in salt form such as hydrochloride or sulfate Eor the purpose of stability than in free form. Th~se compounds should preferably be employed at concentrations Z of about 0.1 g to about 30 g per liter of the color developer, more preferably about 1 g to about 15 g per liter.
As the aminophenol type developer, there may be incIuded, for example, o-aminophenol, p-aminophenol, 5-amino-2-hydroxytoluene, 2-amino-3-hydroxytoluene, 2-hydroxy-3-amino-1,4-dimethylben~ene and the like.
.
Particularly useful aromatic primary amine color developing agents are N,N-dialkyl-p-phenylenediamine type compounds, of which the alkyl groups and the phenyl group may either be substituted or not. Among them, particu-larly useful~compounds are N,N-diethyl-p-phenylenediamine hydrochloridet N-methyl-p-phenylenediamine hydrochloride~
N,N-dimethyl-p-phenylenediamine hydrochloride, 2-amino-5-(N-ethyl-N-dodecylamino)toluene, N-ethyl-N-~-methane-:
.
-. ~-. . ~ . ..
~Z6S377 - 111 ~
sulfonamidoethyl-3-methyl-4 aminoaniline sulfate, N~ethyl~N~~-hydroxyethylaminoaniline sul~ate, 4~amino-3~
methyl~N,N-diethylaniline sulfate, 4-amino-N~t2~methoxy-ethyl)-N-ethyl-3~methylaniline~p~toluenesulfonate and the like.
In the present invention, particularly useful color developing agents are p-phenylenediamine color developing agents having at least one water soluble group (hydro-philic group) on the amino group, and typical examples are set forth below, but the present invention is notlimited thereto.
( 1 ) C2H5/C2H4NHS02CH3 \~
~ 3/2 H~S04-H20 : (2) C2H5 C2H4H
N :
~ (3) C2H5 C2H~OH
; N :
CH 2 4~
NH2 : :
,, ~, ~,, .
.. : .,. , , ,:
, . .. ,.. , , ~: :-3~7 C2 5 f 2 4 3 N
[~3~ . 2 CH3~-S03H
5 ) C2H5 f 3H6S3 N
6 ) C~ f 2H40 ~) 1/2 ~2S04 ~H2 ;
:
( 7 ) HOC2H4 ~C2H40H
N
: , ;
( 8 ) C4 H g f 4 H 8 S 0 3 H
N :
:: : :
NH ~ ~
:
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:
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~2~53~7 (9) C4Hg ~C3H6S3H
N
~10) H CH2COOH
\ /
HCl (11) C2~1S ~CH2CH20)2CH3 ~ 2 C33 ~ 5033 : NH2 : ~ :
~ : : (12)2H5 (CH2cH2o)3cH3 ~: ~ : \ /
~ N
2 CH3 ~ 903H
(13) C2 5 (CH2CH20)3C2H5 3 ~ C~ ~ 503 :
:: . . :: . -: . :: .. , ,. : ,. :.. : , :
,, ~:: : : . . ': ,.
:. , : -: ~ :: ... ..
~65i3~7 (14) C2H5 (CH2cH2O)2c2 5 N
2 CH3 ~ SO3H
Particularly ueeful color developing agents in the present invention are compounds having respective groups f -~CH ) CH20H, ~~CH2)mNHS2(CH2)ncH3~ ~~ 2 m 2 n as the substituent on the amino groups, and examples of these compounds may include (1), (2), (3), t4), (6) and (7) as mentioned above. In the above formulae, m and n are integers of 0 to 6, preferably 0 to 5.
The above p-phenylenediamine type color developing agent should preferably be incorporated into the bleach-fixing solution of the present invention.
:
The alkaline color developer to be used before processing with the bleach-fixing solution of the present invention can further contain various components conventionally added in color developers, in addition to the above aromatic primary amine type color developer, for example, alkali agents such as sodium hydroxide, sodium carbonate,~
potassium carbonate, etc., water softeners and thickeners such as alkali metal sulfites, alkali metal bisulfites, alkali metal thiocyanates, alkali metal halides, benzyl ;20 alcohol, diethylenetriaminepentaacetic acid, l-hydroxy-ethylidene-l,l-diphosphonic acid, etc., as~desired. The pH of the color;developer is usually 7 or higher, most :
generally about lO to about 13.
The bleach-lxing solution according to the~present 25;~invention is appllcahle for color~light-se~nsltive mater~ials employing the~emulsion of the present invention ;~
such as color paper, color negative film, color positive - ~ :
.,: :.
:.
3~
film, color reversal film for slide, color reversal film for movie, color reversal film for TV, reversal color paper, etc., and it is most suitable for processing of a high sensitivity color light-sensitive material containing silver iodide with the total amount of silver coated of 20 mg/dm2 or more and 80 mg/dm2 or less.
The present invention is described in more detail by referring to the following Examples, by which the embodiments of the present invention are not limited.
Exam~le l Preparation of emulsions Five kinds of mono-dispersed emulsions comprising si:lver iodobromide containing 6.0 mole % of silver iodide were prepared, and each emulsion applied with gold sensitiza-tion and sulfur sensitization. After completion of ripening, 4-hydroxy-6-methyl-1,3,3a,7-tetrazaindene was added to each emulsion.
Emulsion A: core-shell type silver iodobromide emulsion with an average grain size of 1.2 ym (shell is silver iodobromide with a thickness of 0.01 ym);
Emulsion ~: core-shell type silver iodobromide emulsion with an average grain size of 1.2 ym (shell is silver iodobromide with a thickness of 0.05 ~m);
Emulsion C: core-shell type silver iodobromide emulsion with an average grain size of 1.2 l'm (shell is silver iodobramide with a thickness of 0.5 ~m);
Emulsion D: core~shell type silver iodobromide ; ~ ~ emulsion with an average grain size of 2.6 ~m (graln size iz lO~fold~of the ~ , ~ ' ;:
: , . . .
,;;,~ : ' ., -, ~: , ' :~ . :: :: : , , .
~ Ei5377 thickness);
Emulsion E: spherical silver iodobromide emulsion with an average grain size of 1.2 ~m.
The emulsions A - C were prepared by referring to the method disclosed in Japanese Provisional Patent Publica-tions No. 48521/1979 and No. 49938/1983 by controlling pAg and pH; the emulsion D by the method disclosed in Japanese Provisional Patent Publications No. 113934/1983 and No. 99433/1984; and the emulsion E by the method disclosed in Japanese Provisional Patent Publication No.
49938/1983.
Preparation of light-sensitive materials The color llght-sensitive materials were prepared by adding the following compounds to the above emulsions.
Optical sensitization was effected by use of red-sensi-tive sensitizing dyes, namely, 285 mg/l mole AgX of anhydro-3,3'-di-(3-sulfopropyl)-5,5'-dichloro-9-ethyl-thiacarbocyaninehydroxide (dye p-l), 38.5 mg/l le AgX
of anhydro-3,3'-di-(3-sulfopropyl)-4,5,4',5'-dibenzothia-carbocyaninehydroxide (dye p-2) and 116 mg/l mole AgX of anhydro-1,3'-diethyl-3~(3-sulfopropyl)-5-trichloromethyl-4',5'-benzobenzimidazolothiacarbocyaninehydroxide (dye p-3). To this photographic emulsion was added a disper-sion of a solution of a cyan coupler of 2~(a,~ ,y, ~,~-octafluorohexanamido)-5-[2-(2,4-di-t-amylphenoxy)~
hexanamido]phenol in tricresyl phosphate prepared by ~ ~ protect dispersion in a conventional:manner to a content : of 0.3 mole of the coupler per 1 mole of AgX. Further, 4-hydroxy-~-methyl-1,3,3a,7-tetrazai~ndene as the stabilizer, poly-N-vinylpyrroli~done as the physical developing inhibitor and l-phenyl~5-mercaptotetrazole as the antifoggant were added, and the above emulsion ~as applied in layers on a polyethyleneterephthalate film .~, :
: ~ :
,. . ~ ., ,: ; , ~6537~
applied with black colloid silver. The first layer was made to have an average thickness of 4.2 ~m and the intermediate layer to have a thickness of 2 ~m, each being applied in several layers. Coatings with a thickness of 37.2 ~m in six layers and with a thickness of 18.6 ~m in three layers were prepared. The silver quantities were 96 mg/100 cm2 and 46 mg/100 cm2, respectively. The film swelling speed of the binder Tl/2 was within the range from 9 seconds to 14 seconds.
Developing processing The above color light-sensitive materials were exposed in a conventional manner and subjected to the following developing processing.
After carrying out color developing for 3 minutes and 15 seconds, bleach-fixing processing for one minute to 30 minutes, washing with water for 2 minutes and stabilizing processing for one minute, successively, the processed materials were dried.
Each processing was conducted at 37.8 C and the respective processing solutions were prepared according to the recipes shown below.
Color developing solution Potassium carbonate 30 g Sodium sulfite 2.0 g Hydroxylamine sul~ate 2.0 g Potassium bromide 1.2 g Sodium hydroxide 3.4 g N-ethyl-N-~-hydroxyethyl-3-methyl-4-aminoaniline sulfate 4.6 g :
(made up to one liter with addition of water and adjusted :::
: ` `' ," '"~' '",' ~ .
. . .
~L2~37~
to pH 10.1 with sodium hydroxide) Bleach-fixinq solution Diammonlum ethylenediaminetetraacetate 7.5 g Iron (III) ammonium ethylenediamine-tetraacetate 150.0 g Ammonium sulfite (50 % solution) 10.0 g Ammonium thiosulfate t70 ~ solution) 200.0 g (made up to one liter with addition of water and adjusted to pH 7.5 with ammonium hydroxide) ~his bleach-fixing solution is called (1), to which 0.7 g/l of the exemplary compound t~) o the bleaching accelerator was added to prepare a bleach-fixing solution (2).
Stabilizinq solution ' Formalin t35 % aqueous solution)7.0 ml Cg~l9 ~ o(CH2CH2O)10 1.0 ml (made up to one liter with water) The results are shown in Table 1. Sensitivities are represented relative to the sensitivity of the sample (5) ~as 100. In the Table, S lndicates sensitivity.
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a) a) a 6 :~ ~ ~
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c~ ~ 1~
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.
~537'7 As apparently seen rom the above results, when the samples (1), ~2) and (3) satisfying the preferable conditions of the present invention are used as the light-sensitive material, even by use of the bleach-fixing solution of the prior art, developingcharacteristic is more excellent as compared with the samples (4) and (5) not satisfying the conditions of the present invention, and also excellent in sensitizing effect. Further, the results in Table 1 suggest that there is the optimum shell thickness. However, it can also be seen that even such an excellent photographic material may be markedly poor in bleaching characteristic with the bleach-fixing solution of the prior art in any case, when the film thickness is thick and the amount of silver coated is much~
Also, in the ca~e of a film thickness of 18.6 ~m and an amount of silver coated o 46 mg/dm2, the desilverization completion time is not shortened significantly unless a bleaching accelerator is contained in the bleach-fixing solution. However, to be surprising enough, it can be seen that the core-shell emulsion which is the preferred emulsion of the present invention can be processed within a particularly short desilverization completion time when a bleaching accelerator is contained therein.
Example 2 Similarly as in the layer constitution employed for a high sensitivity light-sensitive silver halide color photographic material in this field of art, with various auxiliary layers being interposed, a halation preventive layer, a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive siIver halide emulsion layer were laminated from the side of the-support, and a mono-dispersed high sensitivity emulsion layer was arranged on the outermost .
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~26~i377 side of sald blue-sensitive silver halide emulsion layer.
That is, the samples were prepared as described below, but the samples were made with various dried film thicknesses by varying the gelatin quantity to control the film thickness so that the amount of silver coated might be constant. The amounts of silver coated were controlled to two kinds of 100 mg/dm2 and 50 mg/dm2.
However, the following description gives only the coating conditions, and the respective recipes were prepared by varying gelatin content for varying film thicknesses.
Layer 1 ~- A dispersion of 0.8 g of black colIoid silver exhibiting high absorbance by the light at a wavelength region o 400 to 7ao nm obtained by reducing silver nitrate with the use o~ hydroquinone as the reducing agent in 3 g of gelatin was prepared and a halation preventive layer was provided by coating.
Layer 2 -- An intermediate layer comprising gelatin (dry film thickness 0.8 ~m).
Layer 3 -- A low sensitivity red-sensitive silver halide emulsion layer containing 1.5 g of a low sensi tivity red-sensitive silver iodobromide emulsion ~6 mole % of AgI), 1.9 g of gelatin and 0.4 g of tricresyl phosphate (hereinafter called TCP) containing 0.96 g of l-hydroxy-4-(~-methoxyethylaminocarbonylmethoxy)-N-[~-~2,4-di-t-amylphenoxy)butyl]2-naphthoamide (hereinafter called Cyan coupler (C - l)), 0.028 g of l-hydroxy-4-~4-(1-hydroxy-8-acetamido-3,6-disulfo-2-naphthylazol-phenoxy]-N-~-(2,4-diamylphenoxy)butyl~-2-naphthoamide disodium (hereinafter called Colored cyan coupler (CC-l)) 30 ~ dissolved therein.
Layer 4 -- A high sensitivity red-sensitive silver halide emulsion layer containing 1.1 g of a high sensi-tivity red-sensitive silver iodobromide emulsion (8 mole % of AgI), 1.6 g of gelatin and 0.15 g of TCP containing 0~.41 g of Cyan coupler~(C-l) and 0.026 g of Colored cyan ,~, :
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i53~7 coupler (CC~l) dissolved therein.
Layer 5 -- An intermediate layer containing 0.04 g of dibutyl phthalate (hereinafter called DBP) containing 0~08 g of 2,5-di-t-octylhydroquinone (hereinafter called Staining preventive (HQ-1)) dissolved therein and 1.2 g of gelatin.
Layer 6 ~-- A low sensitivity green-sensitive silver halide emulsion layer containing 1.6 g of a low sensi-tivity green-sensitive silver`iodobromide emulsion (15 mole % of AgI), 1.7 g of gelatin and 0.3 g of TCP
containing three kinds of couplers of 0.30 g of 1-(2,4,6-trichlorophenyl)-3-[3-(2,4-di-t-amylphenoxyacetamido)-benzeneamido]-5-pyrazolone (hereinafter called Magenta coupler (M-l)), 0.20 g of 4~4-methylenebis-11-(2,4,6-trichlorophenyl)-3-~3-(2,4-di-t-amylphenoxyacetamidol-benzeneamido]-5-pyrazolone (hereinafter called Magenta coupler (M-2)) and 0.066 g of 1-(2,4,6-trichlorophenyl)-4-(1-naphthylazo~-3-(2-chloro-5-octadecenylsuccinimido-anilino)-5-pyrazolone (hereinafter called Colored magenta coupler (CM-l)) dissolved therein.
Layer 7 -- A high sensitivity green-sensitive silver halide emulsion layer containing 1.5 g of a high sensi-tivity silver iodobromide emulsion layer (11 mole ~ of AgI), 1.9 g of gelatin and 0.12 g of TCP containing 0.093 g of Magenta coupler (M-l), 0.094 g of Magenta coupler ~M-2) and 0.049 g of Colored magenta coupler (CM-l) dissolved therein.
Layer 8 o-- A yellow filter layer containing 0.2 g of yellow colloid silver, 0.11 g of DBP containing 0.2 g of Stain preventive (HQ-l) dissolved therein and 2.1 g of gelatin.
Layer 9 ~-- A low sensitivity blue-sensitive silver halide e~ulsion layer containing 0.95 g of a low sensi-tivity bIue-sensitive silver iodobromide emulsion (6 mole ~ of AgI), 1.9 g oE gelatin and 0.93 g of DBP containing 1.84 g of a-t4-(1-benzyl-2-phenyl-3,5-dioxo-1,2,4-tri-azolidinyl)]-a-pivaloyl-2-chloro-5-~y-(2,4-di-t-amyl~
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phenoxy)butaneamido]acetanilide (hereinafter called Yellow coupler (Y-l)) dissolved therein.
Layer 10 -- A high sensitivity blue-sensitive silver halide emulsion layer containing 1.2 g of a high sensitivity blue-sensitive silver iodobromide emulsion ~7 mole ~ of AgI), 2.0 g of gelatin and 0.23 g of DBP
containing 0.46 g of Yellow coupler (Y-l) dissolved therein.
Layer 11 -- A second protective layer comprising gelatin.
Layer 12 -- A first protective layer containing 2.3 g of gelatin.
The dry film thicknesses of the photographic constituent layers in the finished samples were ound to be 7 kinds of 35 ~m, 30 ~m, 27 ~m, 25 ~m, 22 ~m, 20 ~m and 18 ~m~
These were called Samples No. 1 - 7. The film thickness of the halation preventive layer and the black colloid silver content were not changed at all.
Further, as other samples, there were formed those having the same emulsions applied on transparent polyethylene terephthalate film bases without the colloid silver halation preventive layer of the lowest layer. These layers were called Samples No. 8 - 14 in the order of thicker film thickness. Further, by use of the emulsions with the same compositions as in Samples No. 1 - 14, 14 kinds o samples accelerated in film swelling speed Tl/2 as shown in Table 2 - 2 by reducing the amount of film hardeners were prepared.
The processing steps were conducted for 3 minutes and 15 seconds Eor color developing, one minute to 30 minutes for bleach-fixing, 2 minutes for~the first stabilizing and 30 seconds for the seco~d st~bilizing.
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Each processing was performed at 37~8 C, and the respecti~e processing solutions as formulated below were employed.
Color develo~inq solution Potassium carbonate 30 g Sodium sulfite 2.0 g Hydroxylamine sulfate 2.0 g l-Hydroxyethylidene 1-1 diphosphonic acid (60 % aqueous solution)1.0 g Potassium bromide 1.2 g Magnesium chloride 3.6 g Sodium hydroxide 3.4 g N-ethyl-N-~-hydroxyethyl-3-methyl-4-aminoaniline sulfate4.6 g (made up to one liter with addition of water and adjusted to pH 10.1 with sodium hydroxide).
Bleach-ixing solution Diammonium ethylenediaminetetraacetate 7.5 g : Aminopolycarboxylic acid ferric complex (added according to Table 2) Ammonium sulfite (50 % solution) 10.0 g Ammonium thiosulfate (70 ~ solution) 200.0 g (made up to one liter with addition of water and adjusted to pH 7.5 with ammonium hydroxide).
First stabil_zing solutlon l-~ydroxyethylidene 1-1 diphosphonic acid 3.0 g 5-Chloro-2-methyl-4-isothiazolin-3-one 1.0 g Ethyl~ne glycol 1.0 g : ., ~, - . I -~
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(made up to one liter with addition of water and ad~usted to pH 7.1 with potassium hydroxide).
Second stabili2ing solution Formalin (35 % aqueous solution) 7.0 ml CgHlg ~ o(cH2c~2o)lo 1.0 ml tmade up to one liter with addition of water) As the aminocarboxylic acid in the bleach-fixing solution, ferric ethylenediaminetetraacetate complex was used for processing. The bleaching accelerator was added in an amount of 0.7 g of the exemplary compound t~) per liter. The bleach-fixing completion time was measured to obtain the results shown in Table 2.
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~Z65377 As apparently seen from the above results in Tables 2 - 1 and 2 - 2, in light-sensitive multi-layer silver halide color photographic materials having black colloid silver halation preventive layer, when the film thickness of photographic constituent layer (gelatin film thickness) is large, the bleach-fixing completion time is markedly long, which, however, will abruptly be lowered as the thickness of the photographic constituent layer is made thinner, the change being the greatest at around 25 ~m.
Also, as to the effect of the bleaching accelerator, it has little effect when the film thickness of the photo-graphic constituent layer (gelatin film thickness) is large, but a markedly great effect can be appreciatecl to be exhibited in the case of a photographic constltuent layer (gelatin film thickness) which has been made thin.
It can also be understood that the silver quantity can give no great bleaching accelerating effect, irrespec-tively of the film thickness, in the case of samples coated with greater quantity outside the scope of the present invention.
On the other hand, in the light-sensitive silver halide color photographic materials having no black colloid silver halation preventive layer, it can be seen that the film thickness of the photographic constituent layer ~gelatin film thickness) has little influence and the bleach-fixing completion time is very short. However, no such material having no halation preventive layer can be hardly practically applied, because it is worsened in sharpness as a high sensitivity photographic material such as a high sensitivity light-sensitive silver halide color photographic material for photographing.
When the bleaching accelerators (9~ and (12) were investigated, the same results as above c~uld be obta~ined.
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~`: : ' Particularly, when the film swelling speed Tl/2 is 10 seconds, as compared with the case of the speed of 35 seconds, the bleach-fixing completion time is sufficient-ly short even in absence of a bleaching accelerator, thus showing that the present invention can be accomplished for the first time by use of a combination of the optimum silver quantity, film thickness and film swelling speed.
Example 3 According to the same procedure as in Example 2, samples were prepared by varying the film thicknesses as 36 ~m and 19 ~m, and varying the silver quantity coated as 120 mg/dm2, 100 mg/dm2, 70 mg/dm2, 50 mg/dm2, 40 mgtdm2 and 30 mg/dm2, and processed by use of the bleach-fixing solution of Example 2 ~aminopolycarboxylic acid shown in Table 3). The bleach-fixing completion time was measured to obtain the results shown in Table 3. In these samples, the amount of film hardening agent was varied to change the film swelling speed Tl/2.
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As can also be seen from Table 3~ no sufficient bleaching accelerating effect can be obtained in any case of the film thickness, silver quantity and film swelling speed Tl/2 outside the scope of the present invention, but a remarkable bleaching accelerating effect can be obtained when the film thickness, the silver quantity and the film swelling speed Tl/2 all have the values not higher than those as specified in the present invention.
Exam~le 4 Following the procedure of Example 3, samples (film thickness 19 ~m) were prepared by varying the silver quantity coated and the film swelllng speed Tl/2 as shown in Table 4, and these samples were processed as described above. As the bleaching solution, 0.20 mole oE the organic acid ferric complex as shown in Table 4 was employed, and 0.7 g/l of the bleaching accelerator as shown in Table 4 was added. The bleach-fixing completion time under these conditions was measured to obtain the results as shown in Table 4.
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u o~ x a~ v x ~ ; V ~1 1 ~ a) ~-1 0 r~ O O ~1 ~ O ~ (~ .~ ~, o r~ e h C ~ Q h h ~ ~ Q- I` ~ h ,C C ~ Ç, r~
h ~ h e ~ ~ c a~ ~ ~ ~ h ~ ,1 O e ~ ~
a) r~S O ~ ~ ~I V O ~ C) a) Ei O O ~1 a v u ~ r o ~a v ~ ~ ~ -~ (a v ~-- o , :, ,,,, . , :
, , ~ : . ::: .: : :
.. , :
. : : :
' . ` ": ' ~2~i~;3~7 From the results in Table 4, it can be seen that, if the film thickness is 19 ~m, desirable bleach-fixing acceleration can be exhibited at numerical values o~
.silver quantity coated and film swelling speed not higher than those specified in the present invention. Particu-larly, when the film swelling speed Tl/2 is great, an organic acid ferric complex with lower molecular weight had a markedly greater bleaching accelerating effect due to lowering in silver quantity than an organic acid ferric complex with higher molecular weight. However, when the film swelling speed Tl/2 was small, no such result was obtained, but good desilverization speed is exhibited at the optimum silver quantity in either one of the high molecular weight organic acid ferric complex or the low molecular weight organic acid ferric complex.
Example 5 According to the same process as in Example 2, with various auxiliary layers being interposed, a halation preventive layer, a low sensitivity red-sensitive silver halide emulsion layer and a high sensitivity red-sensi-tive silver halide emulsion were provided by coating.
For the purpose of controlling the film thickness, the red-sensitive silver halide emulsion layer was provided by repeated coating. The film swelling speed Tl/2 was adjusted to two kinds of 35 seconds and 7 seconds.
Layer 1 -- A halation preventive layer containing black colloid silver entirely the same as in Layer l in Example 2.
Layer 2 -- An intermediate layer en~ireLy the same as Layer 2 in Example 2.
Layer 3 -- A low sensitivity red-sensitive silver halide emulsion layer entirely the same as Layer 3 in Example 2 except for changing the silver iodide content as shown in Table S.
: :
.;,, ~ :
. : : . :-:
.; : . . .,: :
. :.~ . .
,. : .
,,...., ' .,, . -~ :. ` : .
~2~S377 Layer 4 ~-- A high sensitivity red-sensitive silver halide emulsion layer entirely the same as Layer 4 in Example 2 except for changing the silver iodide content as shown in Table 5.
Layer 5 ~- An intermediate layer entirely the same as Layer 5 in Example 2.
1ayer 6 ~- Layer 3 was coated again.
Layer 7 -- Layer 4 was coated again.
Layer 8 -- Layer 5 was coated again.
Layer 9 -- Layer 3 was coated again.
Layer 10 -~ Layer 4 was coated again.
Layer 11 -- Layer 5 was coated again.
Layer 12 -- A second protective layer entirely the same as Layer 11 in Example 2.
Layer 13 -- A first protective layer entirely the same as Layer 12 in Example 2.
The photographic constituent layer of the finished sample was found to have a dry film thickness of about 20 ~m. Following Example 2, exposure and developing processing were performed. The results are shown in Table S.
:
:
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:
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.. :
., : ~: . . .,; .. . : ..
:: . .
..
~6~7~
~_ _ __ _ _ _ O h h 0 ~
~: C ~: C C C CC ~ ~: C
a) ~ O r~ O
* ~ ~
~D ~O O ~ 9 ~ o ~ o ~
3 V ~ O r'1 o ~ _ __ _ __ H r~
a~ o U ~ ~ ~ C C C ~: C C '- ~ C C C ~' ~
U O ~i _I ~1 ~i O ~1 0 ~ O r-i O ~1 O ~r I O
0 ~0 E~
O h ~1 ~ t~ o ~ O h O h G h O h O h ~ C O ~1 ~i ~1 ~) O ~ O ~ O ~ O ~ O ~ O
O _ .,1 JJ O h X
~5 ~, a~
0 :r ~1 O h ~: ~ C 1~ C ~ ~ L' C X
u,a) .,, ._, .~ ._, ._,_, ,, ~1 -1 o ~ ~ x O
~ ~ C Q~
C O ~) U ~ ~ , ~ ~O h ~Q~
.,1 ~ ~-~ U ~ ~ ~ ~1 ~ ~ O O ~ ~
3_~ _ t~ o U
~1 1:4 1 h h h h h a~ ~) l E 1 -1 a) ~J a) o o ,c c:~ u ~ ~ ~ c ~ c ~ a tLn C 1~
~ U O ~ ~ 1 0 ~1 0 ~rl O r~ O r~ O ~ ~ ~
u~ a) 0 ~0 E~ 0 'ICJ U
m o ~, cc ,I cO ~c, o ~ o ~ o Ll o ~ o h 0 O td C Q) ~ ~ ~ ~ O ~ O ~ O ~) O ~ O L
_ _ ~ O ~
h ~D Ç: O
E~JoJ a) a) ~ c ~1 tsl ts C s~ E~
C C ~; C ~ C C C C C ~
O .,1 ._I .~1 .,1 .,1 .,~ 1-l ~1 0 -1 0 ~ h ~1 ,1~1 E~ ~3 E~ E3 E3 E3 E3E3-1 ~1 0 ~J
*~~ a) ~ ~ c C) ~- u 00 N ~Q ~1 ~ ~9 0 O h O h ~1 u~ ~ ~ ~ ~ ~ ~ o ~ o ~ 3 0 _ . _ C
E-ll S l ~ 1 ~ h ~_1 C
a Q~ O~ ~ ~ ~ ~ ~ C a U s~ ~ C C C C C C C C C C ~ C C C ~ ~
. u o .~ .~ .,, .,, o ~ o ~ o ~1 o ~ o ~1 o a) ~ ,c ~ ~ e ~ ,, u c~ u O h _I ~ ~ O h O hO h O h O h O S~ ~ .rl ~1 C O ~ `1 ~ O ~ O ~ O ~ O ~ O ~'7 0 h ~I h _ _ _ _ __ _ h ~^
O O O O O o ~ a~ . . . . . . . . .
H C ~ O O O O r--l ~ Ul 00~`1 O I l I
~ e ~ ~
_. _ _ . _ . 1~ H
C~
rl U
~a ~1 0 t`l U~ ;t )c *
~-1 a) a ~ 3 ~ ,t u~
u~ E~
:~ :
:
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312653~7 _ _ _ ~
o V
h C C S:: C C C C C C
,~ ~ ~ ~ e e e E~ .~ ~ ~
~ 3 ~ _ a l H r--l C~ Ll C ~ C ~: C ~: C ~:
~ O .~ .,_~ .,_~ .,.1 .~ .~ .,1 _1 ~
~ ~ ~ ~ e ~ e ~
O S~ c~ o ~ ~ ~
RC a) ~ r~ 1 O _ _ O X
~1,a a) O ~ C S~ C R ~: R R R C X ~
~n a) ~1 ~J .,1 .~_1 .,~ ,,~ ,,~ ,~ ,,~ a) E~ X
: a~ e e ~ e ~ ~ ~ 8 ~' a) ~ ~ er ~ 9 e c~
.,, ~ .~ ~ o ~ ~
x I 3 ~ t~ ~ o .,., ~ ~ o a) .
E~ ,1 ~ a~
U
~5 ~.) C~ ~ R C C C R R R R R
O rl r~ r~ ~1 rl r~ rl r~ ~r~
,~ ~ ~ e e e ~ ~ c u O ~ 1` 0 0~ ~ ~ O O ~ ~
_ R ~ ~ 1 / Q~ a h ~ C O
~ O ~ R
,-1 ~ C ~ E~
.4 ~ C: ~ C ~ C C C: C s: .
~ a) ~ e ~ ,~
E~ ,-1 r a~ e e e e ~ e ~ e e .
u u~ ,~ ~ ~
~4 '3 ~ aC) , ~, :
,3: _ ~ ~ X
E~ I r~ S O
a r~ ~ ~ ~
a~ 5~ a) ~, U ~ C C C C C R R R s~ .~ .-1 ~
~ o ~ ~ e e e e e ~ e a) a c O ~ a~ 0 o ~ ~ ~P ~ ~ ~ ~
C a) r-lr-~ r~ t ~1 h L
- ~-. - -Q)--`
~ ~d~
c ~ .. ~.
a~ ,~ OO~OOO a~
J~ ~ ~-1 ~ 1:4 ~ h C :~ O o o o ~ I o O ~ ~ ~ ~ ~ ~ E~
- : --. _1 t ,~ a a) . ~ ~ r~
~ ~ o~ ~ ~ ~
,~ a~ a) ~
~-~ 3 ~ --~ 1~ ~ :
~4 U1 U~ E1 :
: ~ : ::
:
.:
:'', '' . ~ :
.:: ~, ' ' `:
,: ~, . .
:' ' ..~:
53~7 ~s can be seen also from the results in Table 5, when the silver iodide content is low, desilverization speed is ~-~ rapid-}~sP ti~y of the film swelling speed T1~2 or presence of a bleaching accelerator. However, as the content of silver iodide becomes greater, the bleaching speed will become markedly rapid when the film swelling speed T1/2 is great, but at a level of the film swelling speed Tl/2 not higher than the value of the present invention, it can be appreciated that there is substan-tially no retardation in bleaching speed even if the silver iodide content may become 0.5 mole % or more, which is preferable with respect to photographic characteristics, particularly sensitivity or sharpness, or even 1 mole ~ or higher.
~ e 6 According to the same procedure as in Example 5, a sample with a silver.iodide content of 8 mole %, a film swelling speed Tl/2 of 8 seconds and an emulsion film thickness of 19 ~m was prepared.
The bleach-fixing solution employed contained 150 g of ferric ammonium diethylenetriaminepentaacetate of *2 in Example 5 per one liter and prepared based on Example 2.
Exposure and developing processing were conducted similarly as in Example 5. In the bleach~Eixing solution, the following bleaching accelerators of the present invention were added in various amounts. The I desilverization completion time was measured to obtain the results shown in Table 6.
(2) N ~ SE
:, ' ~ ', ..... . .. ..
~26537'7 (3) H2N-C-NHNH-C-NH2 (4) HO-C~2-lH_CH2SH
(5) HS-CH CH -COOH (6) C2H
2 2 ) C 2C 2 S
C H
(7) H3C~ (8) C2H5~ ~NH
~NCH2CH2-SH ~NCH2CH2--S--C~
(9) H3C~ ~NH
( 10) C2H5~ /C2~5 C2H5 ,C2H5 (ll) CH3~ ~CH3 ~NcH2cH2-s-s-cH2cH2N\cH
(12) CH "NCH3 (13) CH3 ,NCH3 3\NCH2CH2-S-CY \NCH2cH2-s-c\
CH3/ \NH2 CH3/ :NHCH3 : (14) CH /,NH
3~NCH2CH2CH2NH-C-CH2-S-CY
CH3 o NH2 ( 15 ~ C2H5\
: ~ ~NCH2CH2CH2NH-c-NH-SH
: (16) CH3
(17) CH3 CH3) V"
:: : ~: ~ ~ : :
' :' ., , - ` : .
~: " : : , i377
:: : ~: ~ ~ : :
' :' ., , - ` : .
~: " : : , i377
(18) CH3~
(19) CH3~
CH / 2 2 H ~CI SCH3
CH / 2 2 H ~CI SCH3
(20) CH2CH2-SH (2L) S (22) N~CH2CH2-SH ~ ~ 1~1 CH2CH2-SH S S~S
(23) ~ ~CH2CH2SO2CH3 ) (24) / ~CH2COOH \
_ -SCH2CH2N~ 12 (25) HN
-SCH2CH2-N-CH2CH2SO2CH3' (26) HN~
(27) / OH
~CH2CHCH3 \ 21 3 /
\ OH
(28) HSCH2CH2NHcH2cH2OH
(29) HSCH2CH2-N-CH2CH2OH
.~ "
. . . ~ . .
~2~S3~7 ~ 142 HSCH2CH2N\ 1/2H SO
( 31 ) H2N ~N~ NH2 ~N
CH=CH2 ::
: -~: :
` _ : ~ :
... .. . . . . . . .
:. ,.-.: : :
:................. . ::' :,, ;' . ~ ~ ' : - ' . :: : :
:
7~
- 1~3 -Table 6 _ _ -Accerelator Desilverization completion time (mi_.) added (Exem~ Amount of accelerator added (q/l) ~ _ . _ . . __ 0 ~ ~ 7 7 22 . 12 5 6 6 6 24 12 6 ~ 5 : 7 7 26 12 6 6 5 l 7 27 : 12 ~6 5 7 7 28 :12 5 6 7 7 29 12 6 6 8 ~ I 8 : :
, , :
:
: :
- ~
,~ .
: -.: ~ : : --: - - : - :, . ,: :
~2653~
As can be seen also from the results in Table 6, in samples having the film swelling speed Tl/2, film thickness and silver quantity coated within the range of the present invention, all of exemplary bleaching accelerators exhibit favorable bleaching accelerating effects.
Further, as separate experiments, the same experiments were conducted for two kinds of bleach-fixing solutions in which 160 g/liter of ferric ammonium ethylenediamine-tetraacetate and 200 g/liter of ferric ammonium hydroxy-ethyliminodiacetate were employed as the bleaching agent in the bleach-fixing solution, respectively, and the desilverization completion time was measured. As the result, substantially the same good results could be obtained as in the case of ferric ammonium diethylene-triaminepentaacetate.
.
:
~:
,,, ::; , :.. , ~, ~ ~.:
,, ; .~
:
:.,.:
,. ~
. :: .
(23) ~ ~CH2CH2SO2CH3 ) (24) / ~CH2COOH \
_ -SCH2CH2N~ 12 (25) HN
-SCH2CH2-N-CH2CH2SO2CH3' (26) HN~
(27) / OH
~CH2CHCH3 \ 21 3 /
\ OH
(28) HSCH2CH2NHcH2cH2OH
(29) HSCH2CH2-N-CH2CH2OH
.~ "
. . . ~ . .
~2~S3~7 ~ 142 HSCH2CH2N\ 1/2H SO
( 31 ) H2N ~N~ NH2 ~N
CH=CH2 ::
: -~: :
` _ : ~ :
... .. . . . . . . .
:. ,.-.: : :
:................. . ::' :,, ;' . ~ ~ ' : - ' . :: : :
:
7~
- 1~3 -Table 6 _ _ -Accerelator Desilverization completion time (mi_.) added (Exem~ Amount of accelerator added (q/l) ~ _ . _ . . __ 0 ~ ~ 7 7 22 . 12 5 6 6 6 24 12 6 ~ 5 : 7 7 26 12 6 6 5 l 7 27 : 12 ~6 5 7 7 28 :12 5 6 7 7 29 12 6 6 8 ~ I 8 : :
, , :
:
: :
- ~
,~ .
: -.: ~ : : --: - - : - :, . ,: :
~2653~
As can be seen also from the results in Table 6, in samples having the film swelling speed Tl/2, film thickness and silver quantity coated within the range of the present invention, all of exemplary bleaching accelerators exhibit favorable bleaching accelerating effects.
Further, as separate experiments, the same experiments were conducted for two kinds of bleach-fixing solutions in which 160 g/liter of ferric ammonium ethylenediamine-tetraacetate and 200 g/liter of ferric ammonium hydroxy-ethyliminodiacetate were employed as the bleaching agent in the bleach-fixing solution, respectively, and the desilverization completion time was measured. As the result, substantially the same good results could be obtained as in the case of ferric ammonium diethylene-triaminepentaacetate.
.
:
~:
,,, ::; , :.. , ~, ~ ~.:
,, ; .~
:
:.,.:
,. ~
. :: .
Claims (22)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A color image forming method, which comprises subjecting a light-sensitive silver halide color photographic material having a photographic constituent layer comprising blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers and a black colloid silver halation preventive layer on a support and having a total thickness of the photographic constituent layer which is effective for photographic performance. of 25 microns or less to imagewise exposure, then carrying out color developing processing of the exposed material in the presence of a dye forming complex and then carrying out bleach-fixing processing of the developed image with a bleach-fixing solution containing at least one organic acid ferric complex.
2. A color image forming method according to claim 1, wherein the silver halide emulsion layers contain silver halide grains containing 0.1 mole % or more of silver iodide in at least one layer thereof.
3. A color image forming method according to claim 1, wherein the organic acid ferric complex is one containing a free acid with a molecular weight of 280 or more as constituent of said complex.
4. A color image forming method according to claim 3, wherein the organic acid ferric complex is one containing a free acid with a molecular weight of 300 or more as constituent of said complex.
5. A color image forming method according to claim 1, further having the step of processing the bleach-fixing solution with a pre-processing solution having fixing ability immediately before processing with the bleach-fixing solution.
6. A color image forming method according to claim 1, wherein the bleach-fixing solution is provided in at least two tanks according to a cocurrent system, the former stage tank being supplemented with at least a fixing agent and the latter stage tank being supplemented with a bleaching agent, respectively.
7. A color image forming method according to claim 1, wherein the light-sensitive silver halide photographic material has a silver halide emulsion layer of which the binder film swelling speed T/sub /is 25 sec. or less.
8. A color image forming method according to claim 7, wherein the bleach-fixing solution and/or the pre-processing solution contains a compound selected from those of the formulae (I)-(VII) shown below:
(I) (II) (VI) (II) (IV) (VII) wherein Q represents a group of atoms necessary for forming a hetero ring containing 1 or more N atom (including those having at least one 5- to 6-membered unsaturated ring fused thereto); A represents a group of the formulae:
or a hetero ring residue with n1 valence including those having at least one 5- to 6-membered unsaturated ring fused thereto, B represents an alkylene group having 1 to 6 carbon atoms; M represents a divalent metal atom; X and X' represent =S, =O or =NR"; R" represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto or an amino group; Y represents Z represents a hydrogen atom, an alkali metal atom, an ammonium group, an amino group, a nitrogen containing hetero ring residue or Z' represents Z or an alkyl group; R/sup 1/represents a hydrogen atom, an alkyl group having to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto or an amino group; each of R2, R3, R4, R5, R and R' represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxy group, a carboxy group, an amino group, an acyl group having 1 to 3 carbon atoms, an aryl group, or an alkenyl group, with proviso that R4 and R5 may represent ?B?SZ, and R and R', R2 and R3 and R4 and R5, respectively, may be mutually cyclized to form a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto; R6 and R7 each represent a group of the formula:
R9 represents an alkyl group or ?CH2)n8)SO3? when R8 is ?CH2)n8SO3?, 1 represents 0 or 1; G? is an anion; m1 to m4 and n1 to n8 each represent integers of 1 to 6; m5 represents an integer of 0 to 6; R8 represents a hydrogen atom, an alkali metal atom, a group of the formula:
or an alkyl group; Q' is the same as the above Q; D is a mere bonding linkage, an alkylene group having 1 to 8 carbon atoms or a vinylene group; g represents an integer of 1 to 10; the plural number of D may be either the same or different; the ring formed together with sulfur atoms may be fused further to a 5- to 6-membered unsaturated ring; X1 represents ?
COOM', ?OH, ?SO3M', ?CONH2, ?SO2NH2, ?NH2, ?SH, ?CN, -?CO2R16, ?SO2R16, ?OR16, ?NR16R17, ?SR16, ?SO3R16, ?
NHCOR16, -NHSO2R16, -COR16or -OSO2R16: Y1 represents a group of the formula:
or a hydrogen atom; m' and n' each represent an integer of 1 to 10; R11 R12, R14, R15, R17, and R18 each represent a hydrogen atom or a lower alkyl; R13 represents a hydrogen atom, a lower alkyl group or a group of the formula:
R16 represents a lower alkyl group; R19 represents -NR20R21, -OR22 or -SR22, R20 and R21 each represent a hydrogen atom or a lower alkyl group; R22 represents a group of atoms necessary for formation of a ring by linking to R18: R20 or R21 may be linked to R18 to form a ring; M' represents a hydrogen atom or a cation; said compounds of the formula (V) including enol derivatives and salts thereof.
(I) (II) (VI) (II) (IV) (VII) wherein Q represents a group of atoms necessary for forming a hetero ring containing 1 or more N atom (including those having at least one 5- to 6-membered unsaturated ring fused thereto); A represents a group of the formulae:
or a hetero ring residue with n1 valence including those having at least one 5- to 6-membered unsaturated ring fused thereto, B represents an alkylene group having 1 to 6 carbon atoms; M represents a divalent metal atom; X and X' represent =S, =O or =NR"; R" represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto or an amino group; Y represents Z represents a hydrogen atom, an alkali metal atom, an ammonium group, an amino group, a nitrogen containing hetero ring residue or Z' represents Z or an alkyl group; R/sup 1/represents a hydrogen atom, an alkyl group having to 6 carbon atoms, a cycloalkyl group, an aryl group, a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto or an amino group; each of R2, R3, R4, R5, R and R' represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxy group, a carboxy group, an amino group, an acyl group having 1 to 3 carbon atoms, an aryl group, or an alkenyl group, with proviso that R4 and R5 may represent ?B?SZ, and R and R', R2 and R3 and R4 and R5, respectively, may be mutually cyclized to form a hetero ring residue including those having at least one 5- to 6-membered unsaturated ring fused thereto; R6 and R7 each represent a group of the formula:
R9 represents an alkyl group or ?CH2)n8)SO3? when R8 is ?CH2)n8SO3?, 1 represents 0 or 1; G? is an anion; m1 to m4 and n1 to n8 each represent integers of 1 to 6; m5 represents an integer of 0 to 6; R8 represents a hydrogen atom, an alkali metal atom, a group of the formula:
or an alkyl group; Q' is the same as the above Q; D is a mere bonding linkage, an alkylene group having 1 to 8 carbon atoms or a vinylene group; g represents an integer of 1 to 10; the plural number of D may be either the same or different; the ring formed together with sulfur atoms may be fused further to a 5- to 6-membered unsaturated ring; X1 represents ?
COOM', ?OH, ?SO3M', ?CONH2, ?SO2NH2, ?NH2, ?SH, ?CN, -?CO2R16, ?SO2R16, ?OR16, ?NR16R17, ?SR16, ?SO3R16, ?
NHCOR16, -NHSO2R16, -COR16or -OSO2R16: Y1 represents a group of the formula:
or a hydrogen atom; m' and n' each represent an integer of 1 to 10; R11 R12, R14, R15, R17, and R18 each represent a hydrogen atom or a lower alkyl; R13 represents a hydrogen atom, a lower alkyl group or a group of the formula:
R16 represents a lower alkyl group; R19 represents -NR20R21, -OR22 or -SR22, R20 and R21 each represent a hydrogen atom or a lower alkyl group; R22 represents a group of atoms necessary for formation of a ring by linking to R18: R20 or R21 may be linked to R18 to form a ring; M' represents a hydrogen atom or a cation; said compounds of the formula (V) including enol derivatives and salts thereof.
9. A color image forming method according to claim 1, wherein said silver halide emulsion is core-shelled.
10. A color image forming method according to claim 8, wherein said compound is present in said bleach-fixing solution.
11. A color image forming method according to claim 10, wherein said compound is
12. A color image forming method according to claim 1, wherein the total thickness of said photographic constituent layer is from 8 µm to 25 µm.
13. A color image forming method according to claim 3, wherein said organic acid ferric complex is iron (III) ammonium ethylenediamine tetraacetate.
14. A color image forming method according to claim 13, wherein the compound is also present in said bleach-fixing solution.
15. A color image forming method according to claim 4, wherein said organic ferric complex is iron (III) triethylene tetramine hexaacetate.
16. A color image forming method according to claim 4, wherein said organic ferric complex is iron diethylenetriamine pentaacetate.
17. A color image forming method according to claim 4, wherein said organic ferric complex is iron (III) 1,2-diaminopropane-tetraacetate.
18. A color image forming method according to claim 1, wherein said organic ferric complex is iron (III) hydroxyethyliminoacetate.
19. A color image forming method according to claim 1, wherein said organic ferric complex is iron (III) methyliminoacetate.
20. A color image forming method according to claim 10, wherein said compound is
21. A color image forming method according to claim 10, wherein said compound is
22. A color image forming method according to claim 10, wherein said compound is
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP172995/1984 | 1984-08-20 | ||
JP17299584A JPS6151143A (en) | 1984-08-20 | 1984-08-20 | Treatment of silver halide color photographic sensitive material |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1265377A true CA1265377A (en) | 1990-02-06 |
Family
ID=15952229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000488942A Expired - Fee Related CA1265377A (en) | 1984-08-20 | 1985-08-19 | Color image forming method comprising processing with a bleach-fixing solution |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS6151143A (en) |
CA (1) | CA1265377A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2714970B2 (en) * | 1989-01-12 | 1998-02-16 | 富士写真フイルム株式会社 | Processing method of photosensitive material |
-
1984
- 1984-08-20 JP JP17299584A patent/JPS6151143A/en active Granted
-
1985
- 1985-08-19 CA CA000488942A patent/CA1265377A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS6151143A (en) | 1986-03-13 |
JPH0376734B2 (en) | 1991-12-06 |
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