WO2011145720A1 - 粉体混合物の製造方法 - Google Patents
粉体混合物の製造方法 Download PDFInfo
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- WO2011145720A1 WO2011145720A1 PCT/JP2011/061644 JP2011061644W WO2011145720A1 WO 2011145720 A1 WO2011145720 A1 WO 2011145720A1 JP 2011061644 W JP2011061644 W JP 2011061644W WO 2011145720 A1 WO2011145720 A1 WO 2011145720A1
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- Prior art keywords
- component
- powder mixture
- hydrogen peroxide
- powder
- metal salt
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract description 105
- 239000000203 mixture Substances 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 43
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- 150000003839 salts Chemical class 0.000 claims abstract description 39
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- -1 alkali metal salt Chemical class 0.000 claims abstract description 23
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 5
- 239000010941 cobalt Substances 0.000 claims abstract description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical class [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 124
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- 238000000034 method Methods 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 230000001954 sterilising effect Effects 0.000 claims description 14
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 12
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- 239000004471 Glycine Substances 0.000 claims description 6
- 150000001340 alkali metals Chemical group 0.000 claims description 6
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- 230000009471 action Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 6
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
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- PDIZYYQQWUOPPK-UHFFFAOYSA-N acetic acid;2-(methylamino)acetic acid Chemical compound CC(O)=O.CC(O)=O.CNCC(O)=O PDIZYYQQWUOPPK-UHFFFAOYSA-N 0.000 description 2
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- 150000004696 coordination complex Chemical class 0.000 description 2
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- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002523 lectin Substances 0.000 description 1
- DJQJFMSHHYAZJD-UHFFFAOYSA-N lidofenin Chemical compound CC1=CC=CC(C)=C1NC(=O)CN(CC(O)=O)CC(O)=O DJQJFMSHHYAZJD-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- ISPYRSDWRDQNSW-UHFFFAOYSA-L manganese(II) sulfate monohydrate Chemical compound O.[Mn+2].[O-]S([O-])(=O)=O ISPYRSDWRDQNSW-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- SIENSFABYFDZCL-UHFFFAOYSA-N phenyl decanoate Chemical compound CCCCCCCCCC(=O)OC1=CC=CC=C1 SIENSFABYFDZCL-UHFFFAOYSA-N 0.000 description 1
- YPWBFNFJFXEVKA-UHFFFAOYSA-N phenyl undecanoate Chemical compound CCCCCCCCCCC(=O)OC1=CC=CC=C1 YPWBFNFJFXEVKA-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229940068968 polysorbate 80 Drugs 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical class OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 229960003885 sodium benzoate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229940079842 sodium cumenesulfonate Drugs 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- QSKQNALVHFTOQX-UHFFFAOYSA-M sodium nonanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O QSKQNALVHFTOQX-UHFFFAOYSA-M 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- 229940048842 sodium xylenesulfonate Drugs 0.000 description 1
- GTVQYMAVKDFKNM-UHFFFAOYSA-M sodium;2-decanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O GTVQYMAVKDFKNM-UHFFFAOYSA-M 0.000 description 1
- PEVPCUFZCODDGN-UHFFFAOYSA-M sodium;2-dodecanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O PEVPCUFZCODDGN-UHFFFAOYSA-M 0.000 description 1
- PXDLHKPVKLUIJV-UHFFFAOYSA-M sodium;2-octanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O PXDLHKPVKLUIJV-UHFFFAOYSA-M 0.000 description 1
- BQWPVIWVJLLSRC-UHFFFAOYSA-M sodium;2-undecanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O BQWPVIWVJLLSRC-UHFFFAOYSA-M 0.000 description 1
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 1
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- QEKATQBVVAZOAY-UHFFFAOYSA-M sodium;4-propan-2-ylbenzenesulfonate Chemical compound [Na+].CC(C)C1=CC=C(S([O-])(=O)=O)C=C1 QEKATQBVVAZOAY-UHFFFAOYSA-M 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- 229940080258 tetrasodium iminodisuccinate Drugs 0.000 description 1
- VWNRYDSLHLCGLG-NDNWHDOQSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]butanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)C[C@@H](C([O-])=O)N(CC([O-])=O)CC([O-])=O VWNRYDSLHLCGLG-NDNWHDOQSA-J 0.000 description 1
- UZVUJVFQFNHRSY-OUTKXMMCSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]pentanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CC[C@@H](C([O-])=O)N(CC([O-])=O)CC([O-])=O UZVUJVFQFNHRSY-OUTKXMMCSA-J 0.000 description 1
- DTXLBRAVKYTGFE-UHFFFAOYSA-J tetrasodium;2-(1,2-dicarboxylatoethylamino)-3-hydroxybutanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)C(O)C(C([O-])=O)NC(C([O-])=O)CC([O-])=O DTXLBRAVKYTGFE-UHFFFAOYSA-J 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- OHOTVSOGTVKXEL-UHFFFAOYSA-K trisodium;2-[bis(carboxylatomethyl)amino]propanoate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C(C)N(CC([O-])=O)CC([O-])=O OHOTVSOGTVKXEL-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
- C11D11/0088—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads the liquefied ingredients being sprayed or adsorbed onto solid particles
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3932—Inorganic compounds or complexes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3245—Aminoacids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
Definitions
- the present invention relates to a method for producing a powder mixture.
- a bleaching composition is used for washing clothes, residential spaces, and the like.
- awareness of keeping clothes and living spaces clean has increased, and not only removal of dirt, but also sterilization and sterilization (generally referred to as sterilization) using disinfectants and disinfectants are often performed.
- sterilization generally referred to as sterilization
- the bleaching effect and bactericidal effect of the composition used for such applications are usually exhibited by an oxidizing action.
- the oxidizing component responsible for such oxidizing action includes hydrogen peroxide, hydrogen peroxide compounds such as inorganic peroxides that liberate hydrogen peroxide in water, and chlorine compounds such as sodium hypochlorite depending on the application. Etc. are used.
- cleaning using hydrogen peroxide or a hydrogen peroxide-based compound has attracted attention because it can be used easily.
- the hydrogen peroxide bleaching effect can be achieved by using hydrogen peroxide or a hydrogen peroxide-based compound in combination with an alkali metal salt that is basic in an aqueous solution (hereinafter sometimes referred to as a basic alkali metal salt).
- an alkali metal salt that is basic in an aqueous solution hereinafter sometimes referred to as a basic alkali metal salt.
- Sterilizing effect can be enhanced.
- the metal salt constituting the complex, the chelating agent, and the basic alkali metal salt are simply powder mixed and then poured into water, the solubility of the powder mixture in water is extremely reduced. Problems arise.
- the technique of patent document 1 is the formation of a complex, or a solvent. A process and equipment such as distillation are required, which is disadvantageous in terms of manufacturability. Then, even if it contains a basic alkali metal salt and a metal salt, this invention aims at the manufacturing method of the powder mixture which can manufacture easily the powder mixture excellent in the solubility to water.
- the method for producing a powder mixture of the present invention is selected from (A) component: an alkali metal salt whose aqueous solution is basic, and (B) component: a salt of copper, manganese, iron, cobalt, and zinc.
- a method for producing a powder mixture comprising at least one metal salt and component (C): a compound represented by the following general formula (1), wherein the powder of component (A) is added to the powder ( After the metal aqueous solution which is the aqueous solution of the component B) is spray mixed, the component (C) is powder mixed.
- Y 1 and Y 2 are each independently a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, —CH 2 —COOX 3 , —CH (OH) —COOX 4 , —CH 2 CH 2 —COOX 5 , It represents -CH 2 CH 2 -OH or -CH 2 -OH;
- Z represents a hydrogen atom, an alkyl group having 8 to 16 carbon atoms, a -CH 2 -COOX 6 or -CH 2 CH 2 -OH;
- X 1 ⁇ X 6 each independently represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or a cationic ammonium group.
- the component (B) is preferably at least one metal salt selected from sulfates, nitrates, phosphates, acetates and halides, and further component (D): glycine, citric acid and these. More preferably, at least one compound selected from salts is added to the aqueous metal solution, and the powder mixture is combined with hydrogen peroxide or an inorganic peroxide that liberates hydrogen peroxide in water together with bleaching and sterilization. It is preferably used for at least one selected application.
- the powder mixture of this invention contains (A) component, (B) component, and (C) component.
- the average particle diameter (mass 50% diameter) of the powder mixture is not particularly limited, but is preferably 50 to 800 ⁇ m, more preferably 100 to 600 ⁇ m. If it is less than 50 ⁇ m, powdering tends to occur and the handling tends to be complicated, and if it exceeds 800 ⁇ m, the solubility in water tends to decrease.
- an average particle diameter is a value calculated
- the measurement object is classified using a 9-stage sieve having a mesh opening of 1680 ⁇ m, 1410 ⁇ m, 1190 ⁇ m, 1000 ⁇ m, 710 ⁇ m, 500 ⁇ m, 350 ⁇ m, 250 ⁇ m, and 149 ⁇ m and a tray.
- the 9-stage sieve is first stacked above the tray so that the openings gradually increase upward, and a sample of 100 g / time is placed on the top of the 1680- ⁇ m sieve.
- a lid is put on and attached to a low-tap type sieve shaker (manufactured by Iida Seisakusho, tapping: 156 times / minute, rolling: 290 times / minute), and after shaking for 10 minutes, it remains on each sieve and saucer.
- the collected sample is collected for each mesh and the mass of the sample is measured.
- the opening of the first sieve where the integrated mass frequency is 50% or more is set to a ⁇ m
- the opening of the sieve that is one step larger than a ⁇ m is set to b ⁇ m.
- the average particle diameter (mass 50% diameter) is obtained from the following equation (i), where c is the total mass frequency from the first to the a ⁇ m sieve and c is the mass frequency on the a ⁇ m sieve.
- the component (A) is an alkali metal salt whose aqueous solution is basic (hereinafter sometimes referred to as “basic alkali metal salt”).
- basic alkali metal salt an alkali metal salt whose aqueous solution is basic
- the powder mixture can make the treatment liquid basic.
- component (A) carbonates, hydrogen carbonates, borates, phosphates, silicates, hydroxides and other inorganic salts with alkali metals such as sodium and potassium as counter ions, and alkali metals as counter ions
- Organic salts such as acetates are listed.
- carbonates, hydrogen carbonates, silicates, and hydroxides are preferable.
- sodium carbonate, potassium carbonate, Sodium hydrogen carbonate, sodium silicate, and potassium silicate are more preferable, and sodium carbonate is more preferable.
- the content of the component (A) in the powder mixture is not particularly limited and is, for example, preferably 60 to 98% by mass, more preferably 80 to 98% by mass, and particularly preferably 83 to 95% by mass. If it exceeds 98% by mass, the appearance stability may be inferior when the powder mixture is stored, and if it is less than 60% by mass, the solubility of the powder mixture after storage tends to be inferior.
- the component (B) is at least one metal salt selected from copper, manganese, iron, cobalt, and zinc salts, and is water-soluble.
- component (B) By containing the component, and a metal ion generated from the component (B) in the treatment liquid, -COO described later component (C) - a part or 2-3 nitrogen atom and complexes of amines Form. When the powder mixture is used in combination with hydrogen peroxide or a hydrogen peroxide-based compound, this complex functions as an oxidation catalyst and promotes the oxidizing action of hydrogen peroxide.
- Water-soluble means a substance having a solubility of 1 g or more in 100 mL of purified water at 20 ° C.
- inorganic salts such as sulfates, nitrates, phosphates, acetates and halides with copper, manganese, iron, cobalt and zinc as counter ions are preferable.
- sulfates More preferred are halides.
- These (B) components may be anhydrides or hydrates.
- the component (B) is preferably a copper salt, and has good water solubility. Copper sulfates and halides are more preferable, and copper sulfate (II) and copper chloride (II) are particularly preferable.
- the content of the component (B) in the powder mixture is not particularly limited, but is preferably 0.01 to 1% by mass in terms of anhydride. If it exceeds 1% by mass, the appearance stability may be inferior when the powder mixture is stored. If it is less than 0.01% by mass, the hydrogen peroxide or the hydrogen peroxide-based compound may be used in combination with hydrogen peroxide or a hydrogen peroxide-based compound, which may result in insufficient acceleration of the oxidizing action of hydrogen peroxide.
- component (C) is represented by the following general formula (1).
- Component (C) in water, -COOX (X is any one of X 1 ⁇ X 6) by ionization, -COO -, and this -COO - nitrogen atom of partial or 2-3 amine is, (B) A complex is formed with the metal ions released from the component.
- this complex functions as an oxidation catalyst and promotes the oxidizing action of hydrogen peroxide.
- Y 1 and Y 2 are each independently a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, —CH 2 —COOX 3 , —CH (OH) —COOX 4 , —CH 2 CH 2 —COOX 5 , It represents -CH 2 CH 2 -OH or -CH 2 -OH;
- Z represents a hydrogen atom, an alkyl group having 8 to 16 carbon atoms, a -CH 2 -COOX 6 or -CH 2 CH 2 -OH;
- X 1 ⁇ X 6 each independently represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or a cationic ammonium group.
- examples of the alkali metal atom in X 1 to X 6 include sodium and potassium.
- alkaline earth metal atoms include calcium and magnesium. Note that the alkaline earth metal atoms in X 1 to X 6 correspond to 1 ⁇ 2 atoms.
- X 1 is calcium
- —COOX 1 becomes “—COO ⁇ 1/2 (Ca 2+ )”.
- Examples of the cationic ammonium include primary to tertiary ammonium ions in which 1 to 3 hydrogen atoms (H) of ammonium (NH 4 + ) are substituted with an organic group; all H in ammonium is substituted with an organic group A quaternary ammonium ion.
- the primary to tertiary ammonium ion means a cation in which H + is bonded to the nitrogen atom of the primary to tertiary amine.
- the organic group that substitutes H of ammonium include an alkanol group and an alkyl group.
- the alkanol group preferably has 1 to 3 carbon atoms.
- the alkyl group preferably has 1 to 3 carbon atoms.
- Specific examples of the primary to tertiary ammonium ions include those in which H + is added to the nitrogen atom of an alkanolamine such as monoethanolamine or diethanolamine.
- alkanolamine means hydroxyalkylamine.
- Specific examples of the quaternary ammonium ion include tetramethylammonium, tetraethylammonium, and tetra-n-butylammonium.
- MGDA methyl glycine diacetate trisodium
- NTA, MGDA, and IDS are preferable from the viewpoint of good mixing with powder, promoting the oxidation action of hydrogen peroxide, and improving bleaching power and / or sterilizing power.
- the blending amount of the component (C) in the powder mixture is not particularly limited, but is preferably 1 to 8% by mass, and more preferably 2 to 5% by mass. If the content is less than 1% by mass, the powder mixture may have poor solubility. In addition, when the powder mixture is used in combination with hydrogen peroxide or a hydrogen peroxide-based compound, the decomposition of hydrogen peroxide in water is excessively promoted, and the bleaching power and sterilizing power may be inferior. If it exceeds 8% by mass, the appearance stability may be inferior when the powder mixture is stored.
- the blending amount of component (C) / The molar ratio represented by the amount of component (B) is preferably from 3.0 to 20, and more preferably from 5.0 to 15.
- Component (D) is at least one compound selected from glycine, citric acid, and salts thereof.
- Glycine or citric acid may be in acid form or may be a salt having an alkali metal ion as a counter ion.
- the component (D) may be an anhydride or a hydrate.
- the content of the component (D) in the powder mixture is preferably 0.01 to 1% by mass, more preferably 0.05 to 0.5% by mass, and particularly preferably 0.1 to 0.3% by mass. If the powder mixture is less than 0.01% by mass, the appearance stability may be inferior when the powder mixture is stored.
- the powder mixture may be replaced with hydrogen peroxide or a hydrogen peroxide-based compound.
- the decomposition of hydrogen peroxide in water is excessively accelerated, and the bleaching power and bactericidal power may be inferior.
- the molar ratio represented by the blending amount of the component (D) / the blending amount of the component (B) is 1.0 to It is preferably 3.0.
- a surfactant In the powder mixture of the present invention, a surfactant, a bleach activator, an inorganic salt, an organic salt, a polymer compound and the like can be blended as long as the effects of the present invention are not impaired.
- surfactant known ones used for cleaning agents, bleaching agents, disinfectants and the like can be used.
- the type of the surfactant can be selected according to the purpose, and an anionic surfactant, a cationic surfactant, a nonionic surfactant, an amphoteric surfactant and the like can be used.
- ⁇ Bleach activator ⁇ Bleach activators include sodium octanoyloxybenzenesulfonate, sodium nonanoyloxybenzenesulfonate, sodium decanoyloxybenzenesulfonate, sodium undecanoyloxybenzenesulfonate, sodium dodecanoyloxybenzenesulfonate, octanoyl Oxybenzoic acid, Nonanoyloxybenzoic acid, Decanoyloxybenzoic acid, Undecanoyloxybenzoic acid, Dodecanoyloxybenzoic acid, Octanoyloxybenzene, Nonanoyloxybenzene, Decanoyloxybenzene, Undecanoyloxybenzene, Dodecanoyl Examples thereof include oxybenzene and tetraacetylethylenediamine.
- Inorganic salts used as optional components are inorganic salts that do not fall under component (A), component (B) and hydrogen peroxide compounds, such as sodium sulfate and potassium sulfate. And neutral ammonium salts, crystalline aluminosilicates, ammonium sulfate, ammonium chloride, and the like.
- Organic salts used as optional components are organic salts that do not fall under component (A), component (B), and component (D), such as hydroxyacetate, tartrate, etc.
- ⁇ Polymer compound Polymers or copolymers of acrylic acid polymer compounds, polyacetal carboxylates, itaconic acid, fumaric acid, tetramethylene-1,2-dicarboxylic acid, succinic acid, aspartic acid; polyethylene glycol; cellulose such as carboxymethyl cellulose Derivatives; polyvinylpyrrolidone and derivatives thereof; silicone oils and the like.
- the component (B) is dissolved in water to prepare an aqueous metal solution (dissolution step 10).
- the component (D) is dissolved in water together with the component (B) as necessary.
- the method for preparing the metal aqueous solution is not particularly limited, and examples thereof include a method using a vessel with a stirring blade.
- the concentration of the component (B) in the metal aqueous solution is not particularly limited, but is, for example, 1 to 20% by mass.
- the powder of the component (A) is put into a stirring and mixing device, and the aqueous metal solution is spray mixed with the component (A) while stirring the component (A) (spray mixing step 12).
- an optional component can be added together with the component (A).
- the spray mixing step 12 can provide coated particles in which the component (B) adheres substantially uniformly to the surface of the particle of the component (A) and the surface of the component (A) is coated with the component (B).
- the degree of coating of the coated particles is preferably such that the ratio (coverage) of the area where the component (B) adheres to the surface area of the particles of the component (A) is 70% or more, more preferably 90% or more. Preferably, it is 99% or more, and may be 100%. By setting it as such a coverage, it becomes a particle
- the powder of component (A) preferably has a particle size of 50 to 1000 ⁇ m, more preferably 100 to 850 ⁇ m. If it is less than 50 ⁇ m, powdering during production increases and handling becomes complicated. If it exceeds 1000 ⁇ m, the solubility in water may decrease.
- a conventionally known stirring and mixing device such as a horizontal cylindrical mixing drum or a fluidized bed mixing device can be used.
- the stirring speed of the stirring and mixing device in the spray mixing step 12 can be determined in consideration of the amount of the component (A) to be charged into the stirring and mixing device, the amount of the metal aqueous solution to be sprayed, and the like.
- a conventionally known spray nozzle can be used for spraying the metal aqueous solution.
- the droplet diameter of the aqueous metal solution in this step is preferably 1 ⁇ m or more and less than 1000 ⁇ m, more preferably 10 to 100 ⁇ m, and even more preferably 20 to 50 ⁇ m.
- the spray amount of the metal aqueous solution in the spray mixing step 12 can be determined in consideration of the amount of the component (B) added to the powder mixture and the concentration of the component (B) in the metal aqueous solution.
- the metal aqueous solution / (A ) Component 0.01 to 0.1 (mass ratio) is preferable, and 0.02 to 0.06 is more preferable. If it is less than 0.01, the coating of the particles of component (A) with component (B) may be insufficient, and if it exceeds 0.1, the powder mixture tends to become lumpy.
- the moisture content of the coated particles obtained in the spray mixing step 12 can be determined within a range in which the fluidity of the coated particles can be secured, and is, for example, 10% by mass or less.
- the moisture content is a value measured at 170 ° C. for 20 minutes using a Kett moisture meter (trade name, manufactured by Kett Scientific Laboratory; infrared moisture meter).
- the coated particles obtained in the spray mixing step 12 and the component (C) are powder-mixed to obtain the powder mixture of the present invention (powder mixing step 14).
- the method of powder mixing is not particularly limited.
- the component (C) may be added to the stirring and mixing device and mixed, or the coated particles are taken out from the stirring and mixing device. Along with the component (C), it may be separately put into a powder mixing apparatus and mixed.
- the particle size of the component (C) used in the powder mixing step 14 can be determined in consideration of the particle size of the coated particles, and is, for example, 50 to 1000 ⁇ m.
- the method of using the powder mixture of the present invention is to bleach and / or sterilize an object to be treated with a treatment liquid in which the powder mixture is dispersed.
- the object to be processed is not particularly limited, and examples thereof include food packaging containers such as metal, glass, and plastic, hard articles such as tableware, dentures, toilets, and beverage containers, and textile products such as clothing, curtains, and carpets. Can be mentioned.
- a powder mixture is added to water to form a treatment liquid, and the object to be treated is immersed in the treatment liquid, or the treatment liquid is applied to the object to be treated.
- the method of bleaching and / or disinfecting a processed material is mentioned.
- it is added to water together with a surfactant to form a treatment liquid, and the treatment object is immersed in the treatment liquid, or the treatment liquid is applied to the treatment object to bleach and / or sterilize the treatment object.
- a method is mentioned.
- the powder mixture itself has sterilizing power.
- a method of adding a powder mixture together with hydrogen peroxide or a hydrogen peroxide-based compound to water to obtain a treatment liquid, and bleaching and / or sterilizing the object to be treated with this treatment liquid can be mentioned.
- the hydrogen peroxide for example, an industrially available 35% by mass hydrogen peroxide solution can be used.
- the hydrogen peroxide compound include hydrogen peroxide adducts of inorganic salts such as sodium percarbonate, sodium perborate, sodium perborate trihydrate, among others, usability and solubility, From the viewpoint of stability during storage, sodium percarbonate is preferred.
- Sodium percarbonate is an addition product of sodium carbonate and hydrogen peroxide, which is represented by the structure of Na 2 CO 3 ⁇ 3 / 2H 2 O 2.
- PC-A manufactured by Nippon Peroxide Co., Ltd. may be mentioned.
- the sodium percarbonate may be one whose surface is coated with a coating agent (coated sodium percarbonate) in order to further improve the stability during storage.
- the coating agent include a mixture of silicic acid and / or silicate and boric acid and / or borate, and a mixture of a surfactant and an inorganic compound.
- the hydrogen peroxide solution is used as the first liquid, and the powder mixture is dissolved in water to form the second liquid.
- the powder mixture quickly dissolves in water and becomes basic by the component (A).
- a complex of the component (B) and the component (C) is formed in the second liquid.
- the first liquid and the second liquid are mixed to obtain a treatment liquid.
- the content of hydrogen peroxide in the treatment liquid is preferably 0.01 to 0.5% by mass.
- the content of the powder mixture in the treatment liquid is preferably 0.03 to 0.5% by mass.
- the object to be treated is immersed in the treatment liquid or the treatment liquid is applied to the object to be treated.
- the treatment liquid comes into contact with the object to be treated, dirt, spots and microorganisms adhering to the object to be treated are decomposed by the oxidizing action of hydrogen peroxide.
- the treatment liquid is basic, the oxidation action of hydrogen peroxide is promoted.
- the oxidation action of hydrogen peroxide is promoted by this complex.
- the workpiece is bleached and / or sterilized.
- the powder mixture When the powder mixture is used in combination with a hydrogen peroxide-based compound, for example, the powder mixture and the hydrogen peroxide-based compound are dissolved in water to form a treatment liquid, and the object to be treated is immersed in the treatment liquid, By applying the treatment liquid to the treatment object, the treatment object can be bleached and / or sterilized.
- a hydrogen peroxide-based compound for example, the powder mixture and the hydrogen peroxide-based compound are dissolved in water to form a treatment liquid, and the object to be treated is immersed in the treatment liquid, By applying the treatment liquid to the treatment object, the treatment object can be bleached and / or sterilized.
- the powder of component (A) is spray-mixed with the aqueous solution of component (B) to form coated particles, and the coated particles and component (C) are powdered.
- a powder mixture with good solubility in water can be obtained.
- a powder mixture that promotes the oxidizing action of hydrogen peroxide and has excellent solubility in water can be easily obtained without providing a step of preparing a complex of the component (B) and the component (C) in advance.
- the mechanism by which the powder mixture has good solubility in water is not clear, but is estimated as follows.
- component (A) By coating the component (A) with the component (B), when the powder mixture is poured into water, the component (B) and the component (C) that are present on the surface of the coated particles are first (A) Dissolves in water faster than ingredients. For this reason, (B) component and (C) component form a complex immediately, and it becomes difficult to form a basic salt unnecessary for water in (B) component. Furthermore, after (B) component melt
- the powder mixture produced by the present invention contains the components (A) to (C), the oxidation action of hydrogen peroxide is promoted catalytically, and high bleaching power and / Or not only does it exhibit sterilizing power, but also has good solubility in water, so that insoluble matter does not remain in the object to be treated.
- MGDA methyl glycine diacetate trisodium
- Trilon M Granules manufactured by BASF, pure content 80% by mass, particle size 63 to 850 ⁇ m NTA (nitrilotriacetic acid trisodium salt): “Trilon A92R” manufactured by BASF, 92% by mass, particle size 63 to 850 ⁇ m IDS (tetrasodium iminodisuccinate): “Baypure CX100” manufactured by LANXESS, pure content of 80% by mass, particle size of 100 to 850 ⁇ m C 12 -IDA (sodium laurylaminodiacetate): “Nissan Anon LA” manufactured by NOF Corporation, pure content: 100% by mass, particle size: 63 to 710 ⁇ m
- ⁇ (D) component> Glycine: Organic Synthetic Chemical Industry Co., Ltd. Trisodium citrate dihydrate: Fuso Chemical Industry Co., Ltd.
- Polyoxyalkylene alkyl ether Nonionic surfactant obtained by adding 9 moles of ethylene oxide groups and 2 moles of propylene oxide groups to tridecanol with an average addition mole number, "Lionol TDM-90" manufactured by Lion Corporation
- Examples 1 to 15 According to the composition shown in Tables 1 and 2, the powder mixture of each example was manufactured by the manufacturing method shown in the process flow diagram of FIG. 1 so that the total mass was 56 kg.
- the component (B) and the component (D) were dissolved in purified water to prepare an aqueous metal solution (dissolution step 10).
- the aqueous metal solution was mixed while being sprayed (droplet diameter: 20 to 50 ⁇ m) at a spray rate of 100 mL / min. (Spray mixing step 12).
- the droplet diameter was measured using a laser light scattering particle size distribution analyzer (manufactured by Malvern Instruments, Mastersizer S).
- the component (C) was put into a horizontal cylindrical mixing drum and mixed for 5 minutes at a rotation speed of 20 rpm to obtain a powder mixture of each example (powder mixing step 14).
- the obtained powder mixture was evaluated for solubility and appearance stability, and the results are shown in the table.
- this manufacturing method was described as manufacturing method "1" in the table
- Comparative Example 1 According to the composition of Table 2, a powder mixture was manufactured by the manufacturing method shown in the process flow diagram of FIG. 2 so that the total mass was 56 kg.
- Component (B) was dissolved in purified water to prepare an aqueous metal solution (dissolution step 10).
- the droplet diameter was measured using a laser light scattering particle size distribution analyzer (manufactured by Malvern Instruments, Mastersizer S). After the completion of dropping, the component (C) was put into a horizontal cylindrical mixing drum and mixed for 5 minutes at a rotation speed of 20 rpm to obtain a powder mixture of each example (powder mixing step 14). The obtained powder mixture was evaluated for solubility and appearance stability, and the results are shown in the table. In addition, this manufacturing method was described as manufacturing method "2" in the table
- Examples 1 to 15 to which the present invention was applied had good solubility in water.
- Examples 2 and 5 in which the component (D) was added to the metal aqueous solution were excellent in appearance stability as compared with the other examples.
- Comparative Example 1 in which the coated particles were prepared by dropwise mixing the product immediately after production had a solubility of “C” and the storage product had a solubility of “D”.
- Comparative Example 2 in which the components (A) to (C) were mixed with powder the solubility of the product immediately after production and the preserved product was “D”. From the above results, it was found that by applying the present invention, a powder mixture having excellent solubility in water can be easily produced.
- Example 16 to 20 According to the composition shown in Table 3, the treatment liquid of each example was prepared. About the processing liquid of each example, bleaching power and bactericidal power were evaluated, and the result is shown in Table 3. In the table, “NT” means not evaluated.
- the bleaching power was evaluated by the bleaching power against curry stains.
- Bon Curry Gold medium dry (trade name, manufactured by Otsuka Foods Co., Ltd.) was filtered with gauze, and the filtrate was opened in a stainless steel vat.
- a cotton cloth (cotton plain weave cloth, No. 100) was immersed therein for about 1 hour, then brushed to remove excessively adhered dirt and air-dried overnight.
- This cotton cloth with curry stains was cut into 10 cm ⁇ 10 cm, and this was used as a contaminated cloth.
- Six sheets of contaminated cloth were immersed in the treatment liquid of each example and left for 5 minutes.
- the contaminated cloth was put into a Terg-O-Tometer (manufactured by UNITED STATES TESTING), 0.9 L of 25 ° C. tap water (hardness 3DH) was added, and the mixture was stirred at 120 rpm for 10 minutes. (Mitsubishi Electric Corporation, CW-C30A1 type) and dehydrated for 1 minute. Thereafter, it was rinsed with running water for 1 minute, dehydrated for 1 minute, and then air-dried. The cotton cloth before the curry dirt was used as an uncontaminated cloth, and the treated cloth was used as a cleaning cloth.
- the Z value was measured with a spectroscopic color difference meter (manufactured by Nippon Denshoku Industries Co., Ltd., “SE2000”). Was used to calculate the bleaching rate (%).
- the obtained bleaching rate (%) (average value of 6 sheets) was classified into the following evaluation criteria, and the bleaching power against curry stains was evaluated.
- the bactericidal power was evaluated by the bacterial suspension method using Escherichia coli.
- Escherichia coli mother liquor (NBRC12732, organization name: Incorporated Administrative Agency, National Institute of Technology and Evaluation, Biological Genetic Resources Division) 0 adjusted to 9.9 mL of the treatment solution of each example so that the number of bacteria is 1 ⁇ 10 6 cells / mL .1 mL was added to prepare a test solution. After stirring this test solution for 15 seconds, 1.0 mL of the test solution was collected and added to 9.0 mL of SCDLP medium (Wako Pure Chemical Industries, Ltd., Soybean-Casein Digest Broth With Lectin & Polysorbate 80), 10 times.
- Diluted solution The operation of further diluting the obtained diluted solution 10 times was repeated twice to obtain 10 to 1000 times diluted solution. From each of these dilutions, 1.0 mL was collected in a petri dish, added with about 15 mL of a standard agar medium (manufactured by Wako Pure Chemical Industries, Ltd.), mixed, and cultured at 37 ° C. for 2 days. Then, select a colony in the range of 30 to 300, count the number of colonies to obtain the number of surviving bacteria, and calculate the logarithmic value of the initial number of bacteria (1 ⁇ 10 6 / mL) and the number of surviving bacteria after the test. The difference from the logarithmic value was ⁇ Log, and the evaluation was performed according to the following evaluation criteria.
- ⁇ Log is 3 or more.
- the treatment liquids to which the powder mixtures of Examples 1, 2, 5, and 6 and hydrogen peroxide or a hydrogen peroxide-based compound were added exhibited excellent bleaching power.
- the processing liquid which added the powder mixture of Example 1, 2, 7 and hydrogen peroxide or a hydrogen peroxide type compound exhibited the outstanding bactericidal power. From these results, it was found that the powder mixture in which the component (B) was a copper salt was excellent in bleaching power and bactericidal power.
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Abstract
Description
本願は、2010年5月21日に、日本に出願された特願2010-117395号に基づき優先権を主張し、その内容をここに援用する。
このような用途に使用される組成物の漂白効果、殺菌効果は、通常、酸化作用によって発揮される。このような酸化作用を担う酸化成分としては、過酸化水素、水中で過酸化水素を遊離する無機過酸化物等の過酸化水素系化合物や、用途によっては次亜塩素酸ナトリウム等の塩素系化合物等が用いられている。最近では、簡易に使用できる点等から、過酸化水素又は過酸化水素系化合物を用いた洗浄が注目されている。
こうした問題に対し、キレート剤又はポリカルボン酸系高分子と、銅及び/又はマンガン化合物とを極性溶媒中で錯形成させた後、極性溶媒を留去する漂白助剤の製造方法が提案されている(例えば、特許文献1)。特許文献1の発明によれば、微量で優れた漂白効果を示す漂白助剤を簡易かつ経済的に製造することで、前記漂白助剤を含む漂白助剤粒子の工業的な製造が図られている。
このため、過酸化水素や過酸化水素系化合物と、水溶液中で塩基性を示すアルカリ金属塩(以下、塩基性アルカリ金属塩ということがある)とを併用することで、過酸化水素の漂白効果、殺菌効果を高められる。
しかしながら、錯体を構成する金属塩と、キレート剤と、塩基性アルカリ金属塩とを単に粉体混合し、これを水に投じると、この粉体混合物の水への溶解性が極端に低下するという問題が生じる。
また、特許文献1の技術のように、金属塩とキレート剤とを予め錯体とすることで水への溶解性の低下を抑制できるが、特許文献1の技術は、錯体の形成や、溶媒の留去等の工程や設備が必要であり、製造性の面で不都合がある。
そこで、本発明は、塩基性アルカリ金属塩と金属塩とを含有しても、水への溶解性に優れる粉体混合物を容易に製造できる粉体混合物の製造方法を目的とする。
この知見に基づき、塩基性アルカリ金属塩と前記金属塩と前記キレート剤とを特定の条件下で混合することで、溶解性に優れる粉体混合物が得られることを見出し、本発明を完成するに至った。
本発明の粉体混合物は、(A)成分と(B)成分と(C)成分とを含有するものである。
まず、測定対象物(サンプル)について、目開き1680μm、1410μm、1190μm、1000μm、710μm、500μm、350μm、250μm、149μmの9段の篩と受け皿を用いて分級操作を行う。分級操作は、まず受け皿の上方に前記9段の篩を、上に向かって目開きが次第に大きくなるように積み重ね、最上部の目開き1680μmの篩の上から100g/回のサンプルを入れる。次いで、蓋をしてロータップ型ふるい振盪機(株式会社飯田製作所製、タッピング:156回/分、ローリング:290回/分)に取り付け、10分間振動させた後、それぞれの篩および受け皿上に残留したサンプルを篩目ごとに回収して、サンプルの質量を測定する。
受け皿と各篩との質量頻度を積算していくと、積算の質量頻度が、50%以上となる最初の篩の目開きをaμmとし、aμmよりも一段大きい篩の目開きをbμmとし、受け皿からaμmの篩までの質量頻度の積算をc%、またaμmの篩上の質量頻度をd%として、下記(i)式より平均粒子径(質量50%径)を求める。
(A)成分は、水溶液が塩基性を示すアルカリ金属塩(以下、「塩基性アルカリ金属塩」と表す場合もある。)である。粉体混合物は、(A)成分を含有することで、処理液を塩基性とすることができる。
(A)成分としては、ナトリウム、カリウム等のアルカリ金属を対イオンとする炭酸塩、炭酸水素塩、硼酸塩、燐酸塩、珪酸塩、水酸化物等の無機塩、アルカリ金属を対イオンとする酢酸塩等の有機塩が挙げられる。中でも、本発明の粉体混合物を適用した洗浄剤の洗浄性能向上の観点から、炭酸塩、炭酸水素塩、珪酸塩、水酸化物が好ましく、貯蔵安定性の点から、炭酸ナトリウム、炭酸カリウム、炭酸水素ナトリウム、珪酸ナトリウム、珪酸カリウムがより好ましく、炭酸ナトリウムがさらに好ましい。
(B)成分は、銅、マンガン、鉄、コバルト、及び亜鉛の塩から選択される少なくとも1種の金属塩であり、水溶性のものである。(B)成分を含有することで、処理液中で(B)成分から生成する金属イオンと、後述する(C)成分の-COO-の部分又は2~3級アミンの窒素原子とが錯体を形成する。そして、粉体混合物を過酸化水素又は過酸化水素系化合物を併用した場合に、この錯体が、酸化触媒として機能し、過酸化水素の酸化作用を促進する。水溶性とは、20℃の精製水100mLに対する溶解度が1g以上の物質であることを意味する。
(B)成分としては、銅、マンガン、鉄、コバルト、亜鉛を対イオンとする硫酸塩、硝酸塩、リン酸塩、酢酸塩、ハロゲン化物等の無機塩が好ましく、水溶性の観点から、硫酸塩、ハロゲン化物がより好ましい。これらの(B)成分は、無水物であってもよいし、水和物であってもよい。
加えて、過酸化水素の酸化作用を促進させ、漂白力及び/又は殺菌力の向上を図る観点から、(B)成分は、銅塩であることが好ましく、水溶性が良好であることから、銅の硫酸塩、及びハロゲン化物であることがより好ましく、なかでも硫酸銅(II)や塩化銅(II)が特に好ましい。
(C)成分は、下記一般式(1)で表されるものである。(C)成分は、水中で、電離により-COOX(Xは、X1~X6のいずれか)が、-COO-となり、この-COO-の部分又は2~3級アミンの窒素原子が、(B)成分から放出された金属イオンと錯体を形成する。そして、粉体混合物を過酸化水素又は過酸化水素系化合物を併用した場合に、この錯体が、酸化触媒として機能し、過酸化水素の酸化作用を促進する。
アルカリ土類金属原子としては、カルシウム、マグネシウム等が挙げられる。なお、X1~X6におけるアルカリ土類金属原子は1/2原子分に相当する。例えば、X1がカルシウムの場合、-COOX1は、「-COO- 1/2(Ca2+)」となる。
カチオン性アンモニウムとしては、例えば、アンモニウム(NH4 +)の水素原子(H)の1~3個が有機基で置換された1~3級アンモニウムイオン;アンモニウムのHが全て有機基で置換された4級アンモニウムイオン;が挙げられる。ここで1~3級アンモニウムイオンとは、1~3級アミンの窒素原子にH+が結合したカチオンを意味する。
前記アンモニウムのHを置換する有機基としては、例えばアルカノール基、アルキル基等が挙げられる。前記アルカノール基の炭素数は、1~3が好ましい。前記アルキル基の炭素数は、1~3が好ましい。
前記1~3級アンモニウムイオンとして具体的には、モノエタノールアミン、ジエタノールアミン等のアルカノールアミンの窒素原子にH+が付加したものが挙げられる。ここでアルカノールアミンとは、ヒドロキシアルキルアミンを意味する。
前記4級アンモニウムイオンとして具体的には、テトラメチルアンモニウム、テトラエチルアンモニウム、テトラ-n-ブチルアンモニウム等が挙げられる。
(C-1):Y1=H、Y2=H、Z=CH2-COOX6、X1=Na、X2=Na、X6=Naである化合物(ニトリロトリ酢酸三ナトリウム。以下、NTAと略記する)。
(C-2):Y1=H、Y2=CH3、Z=CH2-COOX6、X1=Na、X2=Na、X6=Naである化合物(メチルグリシンジ酢酸三ナトリウム。以下、MGDAと略記する)。
(C-3):Y1=CH2-COOX3、Y2=CH2-COOX3、Z=H、X1=Na、X2=Na、X3=Naである化合物(イミノジコハク酸四ナトリウム。以下、IDSと略記する。)。
(C-4):Y1=CH2-COOX3、Y2=CH(OH)-COOX4、Z=H、X1=Na、X2=Na、X3=Na、X4=Naである化合物(3-ヒドロキシ-2,2’-イミノジコハク酸四ナトリウム。以下、HIDSと略記する。)。
(C-5):Y1=CH2-COOX3、Y2=H、Z=CH2-COOX6、X1=Na、X2=Na、X3=Na、X6=Naである化合物(L-アスパラギン酸-N,N-ジ酢酸四ナトリウム。以下、ASDAと略記する。)。
(C-6):Y1=CH2CH2-COOX5、Y2=H、Z=CH2-COOX6、X1=Na、X2=Na、X5=Na、X6=Naである化合物(グルタミン酸-N,N-ジ酢酸四ナトリウム。以下、GLDAと略記する。)。
(C-7):Y1=H、Y2=H、Z=H、X1=Na、X2=Naである化合物(イミノジ酢酸二ナトリウム。以下、IDAと略記する。)。
(C-8):Y1=H、Y2=H、Z=CH2CH2-OH、X1=Na、X2=Naである化合物(ヒドロキシエチルイミノジ酢酸二ナトリウム。以下、HIDAと略記する。)。
(C-9):Y1=H、Y2=H、Z=炭素数12のアルキル基、X1=Na、X2=Naである化合物(ラウリルアミノジ酢酸ナトリウム。以下、C12IDAと略記する。)。
中でも、粉体での混合が良好であり、過酸化水素の酸化作用を促進させ、漂白力及び/又は殺菌力の向上を図る観点から、NTA、MGDA、IDSが好ましい。
また、過酸化水素又は過酸化水素系化合物と共に処理に使用する際に十分な漂白力や殺菌力を得ると共に、過酸化水素の過剰な分解抑制を図る観点から、(C)成分の配合量/(B)成分の配合量で表されるモル比は、3.0~20が好ましく、5.0~15がより好ましい。
(D)成分は、グリシン、クエン酸及びこれらの塩から選択される少なくとも1種の化合物である。グリシン又はクエン酸は、それぞれ酸型のものでもよく、アルカリ金属イオンを対イオンとする塩であってもよい。また、(D)成分は、無水物であってもよいし、水和物であってもよい。
粉体混合物中の(D)成分の含有量は、0.01~1質量%が好ましく、0.05~0.5質量%がより好ましく、0.1~0.3質量%が特に好ましい。0.01質量%未満であると、粉体混合物を保存した際に、外観安定性が劣る場合があり、1質量%超であると、粉体混合物を過酸化水素又は過酸化水素系化合物を併用した場合に、水中での過酸化水素の分解を過剰に促進し、漂白力や殺菌力が劣る場合がある。
さらには、保存した際の外観安定性と漂白及び/又は殺菌性能の両立のために、(D)成分の配合量/(B)成分の配合量で表されるモル比は、1.0~3.0であることが好ましい。
本発明の粉体混合物には、本発明の効果を阻害しない範囲で、界面活性剤、漂白活性化剤、無機塩類、有機塩類、高分子化合物等を配合できる。
界面活性剤としては、洗浄剤、漂白剤、殺菌剤等に用いられる公知のものを用いることができる。界面活性剤の種類は、その目的に応じて選択することができ、陰イオン性界面活性剤、陽イオン性界面活性剤、非イオン性界面活性剤、両性界面活性剤等を用いることができる。
漂白活性化剤としては、オクタノイルオキシベンゼンスルホン酸ナトリウム、ノナノイルオキシベンゼンスルホン酸ナトリウム、デカノイルオキシベンゼンスルホン酸ナトリウム、ウンデカノイルオキシベンゼンスルホン酸ナトリウム、ドデカノイルオキシベンゼンスルホン酸ナトリウム、オクタノイルオキシ安息香酸、ノナノイルオキシ安息香酸、デカノイルオキシ安息香酸、ウンデカノイルオキシ安息香酸、ドデカノイルオキシ安息香酸、オクタノイルオキシベンゼン、ノナノイルオキシベンゼン、デカノイルオキシベンゼン、ウンデカノイルオキシベンゼン、ドデカノイルオキシベンゼン、テトラアセチルエチレンジアミン等が挙げられる。
任意成分として用いる無機塩類(以下、任意無機塩類ということがある)は、(A)成分、(B)成分及び過酸化水素系化合物に該当しない無機塩類であり、例えば、硫酸ナトリウム、硫酸カリウム等の中性塩、結晶性アルミノ珪酸塩、硫酸アンモニウム、塩化アンモニウム等の無機アンモニウム塩等が挙げられる。
任意成分として用いる有機塩類(以下、任意有機塩類ということがある)は、(A)成分、(B)成分及び(D)成分に該当しない有機塩類であり、例えば、ヒドロキシ酢酸塩、酒石酸塩等のヒドロキシカルボン酸塩;ピロメリット酸塩、ベンゾポリカルボン酸塩、シクロペンタンテトラカルボン酸塩等のシクロカルボン酸塩;カルボキシメチルタルトロネート、カルボキシメチルオキシサクシネート、オキシジサクシネート、酒石酸モノ又はジサクシネート等のエーテルカルボン酸塩、p-トルエンスルホン酸ナトリウム、キシレンスルホン酸ナトリウム、キュメンスルホン酸ナトリウム等の炭素数1~5の短鎖アルキルを有するベンゼンスルホン酸塩、安息香酸ナトリウム、ベンゼンスルホン酸ナトリウム等が挙げられる。
アクリル酸系高分子化合物、ポリアセタールカルボン酸塩、イタコン酸、フマル酸、テトラメチレン-1,2-ジカルボン酸、コハク酸、アスパラギン酸等の重合体又は共重合体;ポリエチレングリコール;カルボキシメチルセルロースなどのセルロース誘導体;ポリビニルピロリドン及びその誘導体;シリコーン油等が挙げられる。
本発明の粉体混合物の製造方法について、以下に図1を参照して説明する。本発明の粉体混合物の製造方法は、(A)成分の粉体に、(B)成分の水溶液である金属水溶液を噴霧混合(噴霧混合工程12)した後、(C)成分を粉体混合(粉体混合工程14)するものである。
金属水溶液中の(B)成分の濃度は、特に限定されないが、例えば、1~20質量%とされる。
このような被覆率とすることで、均質でより溶解度の高い粒子となる。
噴霧混合工程12における攪拌混合装置の攪拌速度は、攪拌混合装置に投入する(A)成分の量と、噴霧する金属水溶液の量等を勘案して決定できる。
金属水溶液を噴霧した際、その液滴径が小さいほど、(A)成分の粒子への(B)成分の付着が均一にできる一方、液滴径が小さすぎると、噴霧した金属水溶液が霧散して、金属水溶液のロスが多くなる。従って、本工程における金属水溶液の液滴径は、1μm以上1000μm未満が好ましく、10~100μmがより好ましく、20~50μmがさらに好ましい。1μm未満であると、金属水溶液のロスが多くなり、1000μm以上だと(A)成分のダマが生じやすくなる。
噴霧混合工程12における金属水溶液の噴霧量は、粉体混合物に添加する(B)成分の量や、金属水溶液中の(B)成分の濃度を勘案して決定でき、例えば、金属水溶液/(A)成分=0.01~0.1(質量比)が好ましく、0.02~0.06がより好ましい。
0.01未満であると(A)成分の粒子の(B)成分での被覆が不十分となるおそれがあり、0.1超であると粉体混合物がダマになりやすい。
粉体混合工程14に用いる(C)成分の粒子径は、被覆粒子の粒子径を勘案して決定でき、例えば、50~1000μmとされる。
本発明の粉体混合物の使用方法は、粉体混合物が分散された処理液により、被処理物を漂白及び/又は殺菌するものである。被処理物は、特に限定されず、例えば、金属製、ガラス製、プラスチック製等の食品包装容器、食器、義歯、便器、飲料容器等の硬質物品、衣類、カーテン、絨毯等の繊維製品等が挙げられる。
過酸化水素としては、例えば、工業的に利用可能な35質量%過酸化水素溶液を用いることができる。また、過酸化水素系化合物としては、過炭酸ナトリウム、過ホウ酸ナトリウム、過ホウ酸ナトリウム・3水和物等の無機塩の過酸化水素付加体が挙げられ、中でも、使用性や溶解性、貯蔵時の安定性の点から、過炭酸ナトリウムが好ましい。過炭酸ナトリウムは、炭酸ナトリウムと過酸化水素との付加物であり、Na2CO3・3/2H2O2の構造式で示される。具体的には、日本パーオキサイド株式会社製「PC-A」が挙げられる。また、過炭酸ナトリウムは、さらに貯蔵時の安定性を改善するため、表面がコーティング剤で被覆されたもの(被覆過炭酸ナトリウム)でもよい。前記コーティング剤としては、ケイ酸及び/又はケイ酸塩とホウ酸及び/又はホウ酸塩との混合物や、界面活性剤と無機化合物との混合物が挙げられる。
粉体混合物の水への溶解性が良好となる機構は定かではないが、次のように推定される。(A)成分を(B)成分で被覆することにより、粉体混合物を水に投じた際に、まず被覆粒子の表面に存在する(B)成分と、(C)成分とが、(A)成分よりも早く水に溶解する。このため、(B)成分と(C)成分とが即座に錯体を形成し、水に不要な塩基性塩が(B)成分に形成されにくくなる。
さらに(B)成分が水に溶解した後、(A)成分が水に溶解することで、(B)成分の溶け残りを生じることなく、塩基性の処理液が得られる。
このように、本発明によって製造された粉体混合物は、(A)~(C)成分を含有するため、過酸化水素の酸化作用を触媒的に促進させ、微量の添加で高い漂白力及び/又は殺菌力を発揮するのみならず、水への溶解性が良好なため、被処理物に不溶物が残留することがない。
各例に使用した原料を以下に示す。
<(A)成分>
炭酸ナトリウム:関東化学株式会社製、試薬(特級)、粒子径100~1000μm
硫酸ナトリウム:関東化学株式会社製、試薬(特級)、粒子径100~1000μm
硫酸銅五水和物:日鉱金属株式会社製、分子量249.69
塩化銅二水和物:関東化学株式会社製、試薬(特級)、分子量170.48
硫酸マンガン一水和物:中央電気工業株式会社製、分子量169.02
硫酸コバルト七水和物:関東化学株式会社製、試薬(特級)、分子量281.10
硫酸亜鉛七水和物:関東化学株式会社製、試薬(特級)、分子量287.55
MGDA(メチルグリシンジ酢酸三ナトリウム):BASF社製「TrilonM Granules」、純分80質量%、粒子径63~850μm
NTA(ニトリロトリ酢酸三ナトリウム):BASF社製「TrilonA92R」、純分92質量%、粒子径63~850μm
IDS(イミノジコハク酸四ナトリウム):ランクセス社製「Baypure CX100」、純分80質量%、粒子径100~850μm
C12-IDA(ラウリルアミノジ酢酸ナトリウム):日油株式会社製「ニッサンアノンLA」、純分100質量%、粒子径63~710μm
グリシン:有機合成薬品工業株式会社製
クエン酸三ナトリウム二水和物:扶桑化学工業株式会社製
過酸化水素:35質量%過酸化水素水、関東化学株式会社製
過炭酸ナトリウム:日本パーオキサイド株式会社製、「PC-A」(炭酸ナトリウム分67.5質量%及び過酸化水素分32.5質量%を含む)
ポリオキシアルキレンアルキルエーテル:トリデカノールに、平均付加モル数でエチレンオキシド基を9モル、プロピレンオキシド基を2モル付加した非イオン性界面活性剤、ライオン株式会社製、「ライオノールTDM-90」
表1~2中の組成に従い、総質量が56kgとなるように、図1のプロセスフロー図に示す製造方法により、各例の粉体混合物を製造した。(B)成分及び(D)成分を精製水に溶解して、金属水溶液を調製した(溶解工程10)。次いで、水平円筒混合ドラム(内容積:130L、直径:0.6m)に(A)成分を投入し、回転数20rpm(Fr=0.14)で2分間攪拌した。その後、二流体ノズル(株式会社いけうち製:SETO0407、噴射圧:1.2kg/cm2)を用いて金属水溶液を100mL/分の噴霧速度で噴霧(液滴径:20~50μm)しながら混合した(噴霧混合工程12)。液滴径は、レーザー光散乱方式粒度分布測定装置(Malvern instruments社製、マスターサイザーS)を用いて測定した。噴霧終了後、(C)成分を水平円筒混合ドラムに投入し、回転数20rpmで5分間混合して、各例の粉体混合物を得た(粉体混合工程14)。得られた粉体混合物について、溶解性、外観安定性の評価を行い、その結果を表中に示す。なお、本製造方法は、表中、製造方法「1」と記載した。
表2の組成に従い、総質量が56kgとなるように、図2のプロセスフロー図に示す製造方法により、粉体混合物を製造した。(B)成分を精製水に溶解して、金属水溶液を調製した(溶解工程10)。次いで、水平円筒混合ドラム(内容積:130L、直径:0.6m)に(A)成分を投入し、回転数20rpm(Fr=0.14)で2分間攪拌した。
その後、滴下ロートを用いて金属水溶液を100mL/分の滴下速度で滴下(液滴径:2~4mm)しながら混合した(滴下混合工程20)。液滴径は、レーザー光散乱方式粒度分布測定装置(Malvern instruments社製、マスターサイザーS)を用いて測定した。滴下終了後、(C)成分を水平円筒混合ドラムに投入し、回転数20rpmで5分間混合して、各例の粉体混合物を得た(粉体混合工程14)。得られた粉体混合物について、溶解性、外観安定性の評価を行い、その結果を表中に示す。なお、本製造方法は、表中、製造方法「2」と記載した。
表2の組成に従い、総質量が56kgとなるように、図3のプロセスフロー図に示す製造方法により、粉体混合物を製造した。(A)~(C)成分を順次、水平円筒混合ドラム(内容積:130L、直径:0.6m)に投入した後、回転数20rpm(Fr=0.14)で5分間混合した(粉体混合工程30)。得られた粉体混合物について、溶解性、外観安定性の評価を行い、その結果を表中に示す。なお、本製造方法は、表中、製造方法「3」と記載した。
<溶解性(製造直後品及び保存品)>
≪製造直後品の溶解性≫
1L容のガラスビーカーに水道水400gを入れ、水浴中で25℃に調整した。ビーカー内に攪拌子(円柱形、長さ40mm、φ8mm)を入れ、マグネチックスターラー(アズワン社製、HS-50D)を用いて300rpmの回転数で攪拌しながら製造直後の各例の粉体混合物(製造直後品)16gを投入し、5分間撹拌した。撹拌終了後、水溶液内の溶け残りの有無を目視で評価した。また、5分間の撹拌で溶け残りがある場合は、さらに5分間(合計10分間)攪拌を継続し、再度溶け残りを目視で評価した。10分間の撹拌で溶け残りがある場合は、さらに5分間(合計15分間)攪拌を継続し、再度溶け残りを目視で確認した。この結果を下記の評価基準に分類して、製造直後品の溶解性を評価した。
A:5分間の撹拌で均一に透明溶解。
B:5分間の撹拌では溶け残りがあるが、10分間の撹拌で均一に透明溶解。
C:10分間の撹拌では溶け残りがあるが、15分間の撹拌で均一に透明溶解。
D:15分間の撹拌でも溶け残りあり。
製造した各例の粉体混合物1kgをポリ袋(瀧川化学工業株式会社製、ナイロン15μm/直鎖低密度ポリエチレン55μmの積層フィルム、寸法250×185mm)に充填し、ヒートシールにより密封した後、40℃、75%RHの恒温恒湿槽で1ヶ月間保存した。保存後の粉体混合物(保存品)から16gを取り出し、製造直後品と同様にして保存品の溶解性を評価した。
製造直後の各例の粉体混合物1kgをポリ袋(瀧川化学工業株式会社製、ナイロン15μm/直鎖低密度ポリエチレン55μmの積層フィルム、寸法250×185mm)に充填し、ヒートシールにより密封した後、40℃、75%RHの恒温恒湿槽で1ヶ月間保存した。保存後の粉体混合物の外観を以下の基準に従って評価した。
A:色調変化が全くない。
B:色調変化がほとんどない。
C:色調変化が僅かにあるが、問題ないレベル。
D:色調変化がややある。
E:著しい色調変化がある。
一方、被覆粒子を滴下混合にて調製した比較例1は製造直後品の溶解性が「C」、保存品の溶解性が「D」であった。また、(A)~(C)成分を粉体混合した比較例2は、製造直後品及び保存品の溶解性がいずれも「D」であった。
以上の結果から、本発明を適用することで、水への溶解性に優れる粉体混合物を容易に製造できることが判った。
表3に示す組成に従い、各例の処理液を調製した。各例の処理液について、漂白力、殺菌力を評価し、その結果を表3に示す。表中、「NT」は未評価を意味する。
<漂白力>
漂白力は、カレー汚れに対する漂白力により評価した。
ボンカレーゴールド中辛口(商品名、大塚食品株式会社製)をガーゼでろ過し、ろ液をステンレスバットに開けた。その中に綿布(綿平織り布、100番手)を約1時間浸漬した後、ブラッシングして過剰に付着した汚れを脱落させ、一夜風乾した。このカレー汚れが付着した綿布を10cm×10cmに裁断し、これを汚染布とした。
各例の処理液に汚染布6枚を浸漬し、5分間放置した。その後、前記汚染布をTerg-O-Tometer(UNITED STATES TESTING社製)に投入し、25℃水道水(硬度3DH)0.9Lを入れ、120rpmで10分間撹拌した後、二槽式洗濯機(三菱電機株式会社製、CW-C30A1型)に移し、1分間脱水した。その後、1分間流水ですすぎ、1分間脱水をした後、風乾した。カレー汚れ付着前の綿布を未汚染布、処理後の汚染布を洗浄布とした。未汚染布、汚染布(処理前)、洗浄布それぞれについて、分光式色差計(日本電色工業株式会社製、「SE2000」)にてZ値(反射率)を測定し、下記式(I)により漂白率(%)を算出した。
≪評価基準≫
A:漂白率が40%以上。
B:漂白率が35%以上40%未満。
C:漂白率が30%以上35%未満。
D:漂白率が30%未満。
殺菌力は、大腸菌(Escherichia coli)を用いて細菌懸濁法により評価した。各例の処理液9.9mLに、菌数が1×106個/mLとなるように調整された大腸菌母液(NBRC12732、機関名:独立行政法人製品評価技術基盤機構・生物遺伝資源部門)0.1mLを添加して、試験液とした。
この試験液を15秒間攪拌した後、試験液1.0mLを採取し、9.0mLのSCDLP培地(和光純薬工業株式会社製、Soybean-Casein Digest Broth with Lectin & Polysorbate 80)に加え、10倍希釈液とした。得られた希釈液をさらに10倍に希釈する操作を2回繰り返し、10倍から1000倍の希釈液を得た。
これら各希釈液から1.0mLをシャーレに採取し、溶解させた標準寒天培地(和光純薬工業株式会社製)約15mLを加えて混釈し、37℃で2日間培養した。その後、コロニー数30~300の範囲にあるものを選んでコロニー数をカウントして生存菌数を求め、初菌数(1×106個/mL)の対数値と試験後の生存菌数の対数値との差をΔLogとし、以下の評価基準により評価を行った。
A:ΔLogが3以上。
B:ΔLogが2以上3未満。
C:ΔLogが1以上2未満。
D:ΔLogが1未満。
また、実施例1、2、7の粉体混合物と、過酸化水素又は過酸化水素系化合物とを添加した処理液は、優れた殺菌力を発揮した。
これらの結果から、(B)成分を銅塩とした粉体混合物は、漂白力及び殺菌力に優れることが判った。
12噴霧混合工程
14粉体混合工程
Claims (4)
- (A)成分:水溶液が塩基性を示すアルカリ金属塩と、(B)成分:銅、マンガン、鉄、コバルト、及び亜鉛の塩から選択される少なくとも1種の金属塩と、(C)成分:下記一般式(1)で表される化合物とを含有する粉体混合物の製造方法であって、
前記(A)成分の粉体に、前記(B)成分の水溶液である金属水溶液を噴霧混合した後、前記(C)成分を粉体混合することを特徴とする粉体混合物の製造方法。
- 前記(B)成分は、硫酸塩、硝酸塩、リン酸塩、酢酸塩及びハロゲン化物から選択される少なくとも1種の金属塩であることを特徴とする、請求項1に記載の粉体混合物の製造方法。
- さらに(D)成分:グリシン、クエン酸及びこれらの塩から選択される少なくとも1種の化合物を前記金属水溶液に添加することを特徴とする、請求項1又は2に記載の粉体混合物の製造方法。
- 前記粉体混合物は、過酸化水素又は水中で過酸化水素を遊離する無機過酸化物と共に、漂白及び殺菌から選択される少なくとも1種の用途に用いられることを特徴とする、請求項1~3のいずれか1項に記載の粉体混合物の製造方法。
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US13/697,661 US20130065960A1 (en) | 2010-05-21 | 2011-05-20 | Method for producing powder mixture |
EP11783652.8A EP2573159A4 (en) | 2010-05-21 | 2011-05-20 | PROCESS FOR PRODUCING A MIXTURE OF POWDERS |
JP2012515941A JP5645929B2 (ja) | 2010-05-21 | 2011-05-20 | 粉体混合物の製造方法 |
CN2011800249682A CN102906241A (zh) | 2010-05-21 | 2011-05-20 | 粉体混合物的制造方法 |
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WO2009078459A1 (ja) * | 2007-12-19 | 2009-06-25 | Lion Corporation | 漂白用酸化触媒、並びにこれを用いた漂白性組成物 |
JP2009149748A (ja) | 2007-12-19 | 2009-07-09 | Lion Corp | 漂白助剤および漂白助剤粒子の製造方法 |
JP2009155578A (ja) * | 2007-12-27 | 2009-07-16 | Lion Corp | 漂白性組成物 |
JP2009155292A (ja) * | 2007-12-27 | 2009-07-16 | Lion Corp | 殺菌・除菌用組成物 |
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US4902434A (en) * | 1988-10-21 | 1990-02-20 | The Drackett Company | Fabric treatment |
US20030162685A1 (en) * | 2001-06-05 | 2003-08-28 | Man Victor Fuk-Pong | Solid cleaning composition including stabilized active oxygen component |
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- 2011-05-20 WO PCT/JP2011/061644 patent/WO2011145720A1/ja active Application Filing
- 2011-05-20 JP JP2012515941A patent/JP5645929B2/ja active Active
- 2011-05-20 EP EP11783652.8A patent/EP2573159A4/en not_active Withdrawn
- 2011-05-20 CN CN2011800249682A patent/CN102906241A/zh active Pending
- 2011-05-20 US US13/697,661 patent/US20130065960A1/en not_active Abandoned
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WO2009078459A1 (ja) * | 2007-12-19 | 2009-06-25 | Lion Corporation | 漂白用酸化触媒、並びにこれを用いた漂白性組成物 |
JP2009149748A (ja) | 2007-12-19 | 2009-07-09 | Lion Corp | 漂白助剤および漂白助剤粒子の製造方法 |
JP2009155578A (ja) * | 2007-12-27 | 2009-07-16 | Lion Corp | 漂白性組成物 |
JP2009155292A (ja) * | 2007-12-27 | 2009-07-16 | Lion Corp | 殺菌・除菌用組成物 |
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CN102906241A (zh) | 2013-01-30 |
US20130065960A1 (en) | 2013-03-14 |
JPWO2011145720A1 (ja) | 2013-07-22 |
JP5645929B2 (ja) | 2014-12-24 |
EP2573159A1 (en) | 2013-03-27 |
EP2573159A4 (en) | 2014-03-12 |
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