WO2004094313A1 - 表面処理水溶性無機化合物粒子及びその製造方法、並びに粒状洗剤組成物 - Google Patents
表面処理水溶性無機化合物粒子及びその製造方法、並びに粒状洗剤組成物 Download PDFInfo
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- WO2004094313A1 WO2004094313A1 PCT/JP2004/005910 JP2004005910W WO2004094313A1 WO 2004094313 A1 WO2004094313 A1 WO 2004094313A1 JP 2004005910 W JP2004005910 W JP 2004005910W WO 2004094313 A1 WO2004094313 A1 WO 2004094313A1
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- water
- particles
- inorganic compound
- soluble
- soluble inorganic
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- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 229960004106 citric acid Drugs 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- STZIXLPVKZUAMV-UHFFFAOYSA-N cyclopentane-1,1,2,2-tetracarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCC1(C(O)=O)C(O)=O STZIXLPVKZUAMV-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 150000001993 dienes Chemical group 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- FPVGTPBMTFTMRT-UHFFFAOYSA-L disodium;2-amino-5-[(4-sulfonatophenyl)diazenyl]benzenesulfonate Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 FPVGTPBMTFTMRT-UHFFFAOYSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 1
- 235000019233 fast yellow AB Nutrition 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000002864 food coloring agent Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229920000370 gamma-poly(glutamate) polymer Polymers 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- 229940014041 hyaluronate Drugs 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 229940080260 iminodisuccinate Drugs 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000004668 long chain fatty acids Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- FPLFMJUPDWYPHQ-UHFFFAOYSA-N n-[2-(2-phenylethenyl)phenyl]triazin-4-amine Chemical compound C=1C=CC=C(C=CC=2C=CC=CC=2)C=1NC1=CC=NN=N1 FPLFMJUPDWYPHQ-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910000273 nontronite Inorganic materials 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- FURYAADUZGZUGQ-UHFFFAOYSA-N phenoxybenzene;sulfuric acid Chemical compound OS(O)(=O)=O.C=1C=CC=CC=1OC1=CC=CC=C1 FURYAADUZGZUGQ-UHFFFAOYSA-N 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920000724 poly(L-arginine) polymer Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 108010011110 polyarginine Proteins 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000570 polyether Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000656 polylysine Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 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
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- 229920003124 powdered cellulose Polymers 0.000 description 1
- 235000019814 powdered cellulose Nutrition 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 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
- 239000008237 rinsing water Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 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
- 229960002668 sodium chloride Drugs 0.000 description 1
- 229940079842 sodium cumenesulfonate Drugs 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229940048842 sodium xylenesulfonate Drugs 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
- MJMLXHOSHRFNAG-UHFFFAOYSA-M sodium;4-dodecanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCC(=O)OC1=CC=C(S([O-])(=O)=O)C=C1 MJMLXHOSHRFNAG-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
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([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])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
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 108010075550 termamyl Proteins 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000003232 water-soluble binding agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
-
- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
-
- 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
Definitions
- the present invention relates to a surface-treated water-soluble inorganic compound particle, a method for producing the same, and a granular detergent composition.
- the present invention relates to surface-treated water-soluble inorganic compound particles.
- the present invention relates to surface-treated water-soluble inorganic compound particles which are powder-mixed with a granular detergent composition as a powdering agent.
- the blended particles may interact with each other, leading to another problem of reducing the solubility of the granular detergent.
- a powder of a water-soluble inorganic compound is mixed with detergent particles
- the water-soluble inorganic compound violently agglomerates with the detergent particles to form aggregates, which remain undissolved. Had become.
- a technique has been proposed in which a water-soluble inorganic compound is granulated with a water-soluble polymer compound to improve the dissolution rate of the granules and the dispersibility during washing (Japanese Patent Application Laid-Open No. 63-209398). Bulletin, Japanese Translation of PCT International Publication No. 2000-501250).
- the following techniques have been proposed (Japanese Patent Application Laid-Open Nos. H8-600200, H7-124750, and 2000-34496).
- a detergent composition having a fluidity improving effect and a fine powder formation suppressing effect by coating a detergent component with an aluminosilicate and a water-soluble polymer, and a silicon dioxide particle and a water-soluble Granular detergents with excellent storage stability, which are coated with a conductive polymer have been proposed (Japanese Patent Application Laid-Open No. 2000-500583, Japanese Patent Application Laid-Open No. Hei 6-172880). No.).
- granules are prepared by variously combining anionic surfactants, nonionic surfactants, water-soluble inorganic compounds, water-soluble binders such as polyethylene glycol, etc., which are usually used in granular detergent compositions, to prepare enzymes and bleaching agents.
- a method for stabilizing the activity of the surfactant, a method for suppressing the hydrolysis of the surfactant itself, and the like have also been proposed (Japanese Patent Application Laid-Open Nos. 6-192697 and 4-157040). No. 0, Japanese Unexamined Patent Publication (Kokai) No. 3-266569 /).
- the methods described in these documents are not sufficiently effective in suppressing the formation of detergent agglomerates and preventing the undissolved residue during washing using low-temperature water. .
- the present invention does not form agglomerates even when wet at low water temperature and low stirring power, shows excellent solubility during washing, has excellent fluidity, and is suitable for use in a granulator during production. It is an object of the present invention to provide surface-treated water-soluble inorganic compound particles capable of preventing adhesion. Further, the granular detergent composition containing these particles is excellent in fluidity and non-solidification after long-term storage.
- the present inventors have proposed a surface-treated water-soluble inorganic compound particle obtained by treating a surface of a water-soluble inorganic compound core particle with an organic or inorganic water-soluble polymer compound, and further treating the treated surface with a poorly water-soluble compound. By doing so, it was found that the above objectives could be achieved.
- a water-soluble inorganic compound core particle is surface-treated with an organic or inorganic water-soluble polymer compound as a first surface treating agent, and the treated surface is a second water-insoluble compound as a second surface treating agent.
- Surface-treated water-soluble inorganic compound particles treated with are surface-treated with.
- the first surface treatment portion exhibits exothermicity in the process of dissolving or dispersing in water; the second surface treatment portion exhibits endothermicity in the process of dissolving or dispersing in water; 2.
- the water-soluble polymer compound is characterized by being one or more selected from pinyl polymer compounds, polysaccharides, derivatives thereof, and polyester polymer compounds [1] to [1]. 4] The surface-treated water-soluble inorganic compound particles according to any one of the above.
- the water-soluble polymer compound is a compound having a lipoxyl group [1] ⁇ ! :
- a method for producing surface-treated water-soluble inorganic compound particles comprising the following first step and second step.
- First step a step of adding an aqueous solution of a water-soluble polymer compound to the core particles of the water-soluble inorganic compound and treating the surface of the core particles of the water-soluble inorganic compound with the water-soluble polymer compound.
- Second step a step of adding a poorly water-soluble compound to the water-soluble inorganic compound core particles treated in the first step, and subjecting the particles to a surface treatment.
- a washing method comprising: performing a washing with the laundry containing the surface-treated water-soluble inorganic compound particles according to any one of [1] to [10] at a bath ratio of 7 to 15 1 ⁇ and a washing temperature of 5 to 12 ° C.
- Fig. 1 is a diagram showing the relationship between the amount of heat absorbed during dissolution and dispersion of the surface treatment part and the maximum temperature rise measured by the amount of heat generated by wetting.
- the surface-treated water-soluble inorganic compound particles which are the first surface treatment agent of the present invention, are obtained by subjecting water-soluble inorganic compound core particles to a surface treatment with an organic or inorganic water-soluble polymer compound, and further treating the treated surface with a poorly water-soluble compound. It is processed by.
- Water-soluble inorganic compound is obtained by subjecting water-soluble inorganic compound core particles to a surface treatment with an organic or inorganic water-soluble polymer compound, and further treating the treated surface with a poorly water-soluble compound. It is processed by.
- the water-soluble inorganic compound of the present invention has a solubility in water at 5 ° C of 1 g / 100 g or more, preferably 2 g Z100 g or more, more preferably 3 g Z100 g or more.
- Preferred water-soluble inorganic compounds include those generally used as a washing builder.
- Such compounds include carbonates, bicarbonates and sesquicarbonates, sulfates and sulfites, phosphates and polycondensed phosphates, silicates, nitrates and nitrites, chlorides and the like.
- carbonates, sulfates, polycondensed phosphates and the like are more preferred, and sodium carbonate, potassium carbonate, sodium sulfate, potassium sulfate, sodium tripolyphosphate and the like are particularly preferred.
- a water-soluble inorganic salt in which the pH of a saturated aqueous solution at 5 ° C is 8 or more can be more preferably used from the viewpoint of contribution to cleaning performance.
- Complex salts of inorganic salts with other water-soluble inorganic salts can also be suitably used, such as berkeite, which is a complex salt of sodium carbonate and sodium sulfate. It is.
- the water-soluble alkali inorganic salts can be used alone or in an appropriate combination of two or more.
- the coagulation of hydrate crystals of the water-soluble inorganic compound is deeply involved. It is preferable to apply the present invention to a substance that easily becomes a hydrate crystal at a temperature lower than 20 ° C.
- inorganic salts such as sodium carbonate and carbonated carbonate
- neutral inorganic salts such as sodium sulfate.
- the water-soluble inorganic compound core particles can be obtained by a conventional method, and the average particle diameter is preferably from 100 to 150 m, more preferably from 200 to 100 m.
- the average particle diameter is less than 10, surface treatment with a water-soluble polymer compound may be difficult, and if it exceeds 150, the solubility of the water-soluble inorganic compound may decrease.
- water-soluble inorganic compound core particles commercially available ones can be appropriately used. The average particle size is determined by a measuring method described in Examples described later. There are various grades of commercially available water-soluble inorganic compound core particles, but they do not limit the use of the present invention. For example, water-soluble inorganic salts containing impurities mixed in the production process, storage stabilizers for stabilizing quality, and antioxidants are also included in the scope of the present invention.
- Organic water-soluble polymer compound is also included in the scope of the present invention.
- the organic water-soluble high molecular weight compound as the second surface treatment agent used for the surface treatment of the water-soluble inorganic compound is 0.1 lg or more, preferably 0.2 g with respect to 100 g of water at 40 ° C. Above, more preferably a polymer compound that is uniformly mixed with water at a concentration of 2 g or more.
- the organic water-soluble polymer compound is not particularly limited as long as it is an organic water-soluble polymer compound, and may be used alone or in an appropriate combination of two or more.
- organic water-soluble polymer compound examples include a natural polymer compound, a semi-synthetic polymer compound, and a synthetic polymer compound.
- vinyl polymer compounds, polysaccharides, polyether polymer compounds, polyester polymer compounds, peptide polymer compounds, polyurethanes, and derivatives thereof can be used.
- vinyl polymer compound examples include a pinyl polycarboxylate (acrylic acid polymer), a biel polysulfonate, a polyvinyl pyridine salt, and a polybilimidazolium salt.
- Various natural or synthetic polysaccharides can be used as the polysaccharide.
- polyester-based polymer compounds include terephthalic acid and ethylene dali. Copolymers and copolymers with Z or propylene glycol units or turbomers. Examples of these include commercially available TeX care 4291 (manufactured by Clariant), TeX care SRN-300 (manufactured by Clariant), and the like.
- peptide-based molecular compounds or derivatives thereof include gelatin, casein, albumin, collagen, polyglutamate, polyaspartate, polylysine, polyarginine, and derivatives thereof.
- the polyurethane examples include a water-soluble polyurethane and the like.
- other water-soluble polymer compounds such as polyethylene glycol can also be used.
- the water-soluble inorganic compound is easily hydrated, the water-soluble inorganic compound is surface-treated with a water-soluble organic polymer compound. It is preferable that a material that exerts a waterlogging action in an initial stage of contact with water under the state of being in contact with water.
- the water-soluble organic polymer compound having such properties include those having a hydrophilic functional group such as anionic, amphoteric, and nonionic.
- water-soluble organic polymer compound having an anionic group examples include a polymer compound having a carboxyl group and a sulfo group, and a water-soluble polysaccharide having an anionic group.
- water-soluble organic polymer compound having a hydroxyl group examples include a monomer such as acrylic acid, maleic acid, itaconic acid, aconitic acid, methacrylic acid, fumaric acid, 2-hydroxyacrylic acid, or citraconic acid. And vinyl salts thereof, and copolymers of these monomers with other vinyl monomers and vinyl polycarboxylic acids (salts) such as salts thereof.
- water-soluble polymer compound having a sulfo group examples include monomers obtained by polymerizing monomers such as acrylamidopropanesulfonic acid, methacrylamidopropanesulfonic acid, and styrenesulfonic acid, and salts thereof, and these polymers and other polymers.
- vinyl-based polysulfonic acids (salts) such as copolymers with vinyl-based polymers and salts thereof.
- water-soluble polysaccharide having an anionic group examples include polyuronates, For example, there may be mentioned formate, polyaspartate, lagenanan, hyaluronate, chondroitin sulfate, carboxymethylcellulose and the like.
- amphoteric water-soluble polymer compound examples include a copolymer of a vinyl monomer having an anionic group and a vinyl monomer having a cation group, a carboxybetaine group or a sulfovinyl group.
- acrylic acid Z-dimethylaminoethyl methacrylic acid copolymer, acrylic acid, and methylaminoethyl methacrylic acid copolymer.
- nonionic water-soluble polymer compound examples include synthetic polymer compounds such as polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polypinylethyl ether, and polyethylene glycol, hydroxyethyl cellulose, guar gum, dextran, pullulan, and the like. Polysaccharides.
- a vinyl polymer having a carboxylic acid group or a sulfo group and particularly preferable are vinyl polycarboxylic acids having a high anionic group content per unit mass.
- polyacrylic acid salts, acrylic acid-Z maleic acid copolymer salts, acrylic acid-Z itaconic acid copolymer salts, alkyl acrylate copolymer salts, and derivatives thereof are most suitable.
- the weight average molecular weight of the organic water-soluble polymer compound of the present invention is 500 or more, preferably 1, 000 to 1, 000, 0000, more preferably 1, 000 to 2, 0 0, 0 0 0.
- the average molecular weight of polyethylene glycol in the present invention indicates the average molecular weight described in the standard of cosmetic raw materials (the second edition).
- the weight average molecular weight of the organic water-soluble polymer compound in the present invention is a value measured by gel permeation chromatography using polyethylene dalicol as a standard substance.
- the method for surface-treating a water-soluble inorganic compound with an organic water-soluble polymer compound is not particularly limited.
- a method in which an organic water-soluble polymer compound is added to a water-soluble inorganic compound, mixed or coated, or the like can be used.
- an organic water-soluble polymer compound as an aqueous solution for surface treatment. This aqueous solution is preferably added dropwise or spray-added to the water-soluble inorganic compound in a stirred and fluidized state.
- the inorganic water-soluble polymer compound is a compound which is uniformly miscible with water at a concentration of 0.1 g or more, preferably 0.2 g or more, more preferably 2 g or more at 100 ° C. of water at 40 ° C. It is. There is no particular limitation as long as such an inorganic water-soluble polymer compound is used, and one kind may be used alone, or two or more kinds may be used in appropriate combination.
- the inorganic water-soluble polymer compound a compound obtained by subjecting a solution containing a precursor compound of a metal alkoxide to a hydrolysis / condensation polymerization reaction is preferable, and a silicate is particularly preferable.
- Silicate has long been incorporated into stones and is known as water glass. Based on its structure, it can be classified according to the form of anions (Friedrich Liebau, "Structural Chemistry of Si 1 icates “p 72, Springer-Verlag, 1985).
- the number of bridging oxygens of the oxygen bonded to Si (S i— O— S i), and the number of bridging oxygens is 4, 3, 2, 1, 0, and Q 4 Classified into Q3, Q2, Ql and Q0 units (Y. T sunawa ki, N. I wamo to, T. Hattori and A. M its ubishi, J. No nCryst. Solids, vo 1 44, p 369 (198 1)).
- the silicate contains Q2 unit and / or Q3 unit in order to sufficiently exhibit the treatment effect, and the Si 2 ZM 2 2 molar ratio (where M represents an alkali metal) is 1.
- Alkali metal silicates having 6 to 4, preferably 2 to 3.5 are preferred, and sodium silicate is particularly preferred.
- the method for surface-treating the water-soluble inorganic compound with the inorganic water-soluble polymer compound is not particularly limited.
- a method of adding, mixing or coating an inorganic water-soluble polymer compound to a water-soluble inorganic compound can be used. It is preferable to use an inorganic water-soluble polymer compound as an aqueous solution for surface treatment. This aqueous solution is preferably added dropwise or spray-added to the water-soluble inorganic compound in a stirred and fluidized state. Poorly water-soluble compound
- the poorly water-soluble compound used in the present invention is a compound having a solubility in water at 20 ° C. of less than 2 g / 100 g, preferably less than 1 g / 100 g, more preferably less than 0.1 g / 100 g. Those having a water-repellent action at the initial stage in contact with are preferred. Further, an organic compound having a melting point of 200 ° C. or lower, preferably 0 to 160 ° C., more preferably 20 to 8 ° ⁇ , and still more preferably 40 to 60 ° C. is suitable.
- the poorly water-soluble compounds can be used alone or in an appropriate combination of two or more.
- poorly water-soluble compounds include higher fatty acids, dicarboxylic acids, higher alcohols, higher alcohols having an HLB of 5 or less, preferably 3 or less, alkylene oxide adducts of higher fatty acids, higher fatty acid esters, and glycerides of higher fatty acids. I can do it.
- those having a carbon chain length of 12 to 22 carbon atoms, more preferably 14 to 18 carbon atoms are suitable, and specifically, dodecanol, tetrade phenol, hexade phenol, octadecanol and the like are preferable. Is mentioned.
- an alkylene oxide adduct of a higher alcohol or fatty acid having an HLB of 5 or less, preferably 3 or less a 1-3 mol ethylene oxide adduct of an alcohol or fatty acid having 16 to 22 carbon atoms is preferable.
- examples thereof include a 1 mol ethylene oxide adduct of hexadenicol, a 3 mol ethylene oxide adduct of octadecanol, and a 1 mol ethylene oxide adduct of palmitic acid.
- methyl esters or ethyl esters such as palmitic acid, myristic acid, stearic acid, arachidic acid, and behenic acid are suitable.
- Di or tridalicelide is preferred.
- anion is a poorly water-soluble compound. It is preferred to use a surfactant acid precursor.
- anionic surfactant acid precursor any anionic surfactant acid precursor can be suitably used.
- anionic surfactant acid precursors saturated or Are unsaturated fatty acids (average carbon chain length of 8 to 22), linear or branched alkyl (average carbon chain length of 8 to 18) benzenesulfonic acid, long chain alkyl (average carbon chain length of 10 to 20) sulfone Acid, long-chain olefin (average carbon chain length 10-20) Sulfonic acid, long-chain monoalkyl (average carbon chain length 10-20) Sulfuric acid ester, polyoxyethylene (average degree of polymerization 1-10) length Chain alkyl (average carbon chain length: 10 to 20) Ether sulfate, polyoxyethylene (average degree of polymerization: 3 to 30) Alkyl (average carbon chain length: 6 to 12) Phenyl ether sulfate, ⁇ -sulfo Examples include fatty acids (average carbon chain length of 8 to 22), long-chain monoalkyl, dialkyl or sesquialkyl phosphoric acid, polyoxyethylene monoalkyl, dialkyl or
- the anionic surfactant acid precursor is preferably a saturated or unsaturated fatty acid (average carbon chain length of 8 to 22), and more preferably has a carbon chain length of 8 to 18 carbon atoms.
- Specific examples include saturated fatty acids such as acetic acid, lauric acid, myristic acid, and palmitic acid, and unsaturated fatty acids such as oleic acid.
- saturated fatty acids having 12 to 18 carbon atoms are preferable from the viewpoint of storage stability, and rapaulinic acid is more preferable in consideration of productivity.
- the method of surface-treating the water-soluble inorganic compound surface-treated with the first surface-treating agent with a poorly water-soluble compound is not particularly limited.
- a method in which a poorly water-soluble compound is added to the surface-treated water-soluble inorganic compound, mixed or coated, or the like can be used.
- a method is preferred in which the poorly water-soluble compound is melted into a liquid state, and the liquid is dropped or spray-added to the surface-treated water-soluble inorganic compound in a stirred and fluidized state.
- the amounts of each component in the surface-treated water-soluble inorganic compound particles of the present invention are shown below.
- the water-soluble inorganic compound is preferably used in an amount of 60 to 99.8% by mass, particularly preferably 70 to 97% by mass, based on the total amount of the surface-treated water-soluble inorganic compound particles. If the amount of the water-soluble inorganic compound is less than 60% by mass, the alkali agent may be insufficient. On the other hand, if the amount exceeds 99.8% by mass, the amount of the treating agent is too small, and sufficient surface treatment cannot be performed. May not be.
- the organic water-soluble polymer compound is preferably used in an amount of 0.1 to 10% by mass, particularly 0.5 to 8% by mass, based on the core particles of the water-soluble inorganic compound. If it is less than 0.1% by mass, In some cases, the effect of the surface treatment may not be obtained. When the amount exceeds 10% by mass, the amount of the inorganic compound may be too small.
- the inorganic water-soluble polymer compound is preferably used in an amount of 1 to 30% by mass, particularly preferably 10 to 28% by mass, based on the core particles of the water-soluble inorganic compound. If the amount is less than 1% by mass, the effect of the surface treatment may not be obtained. If the amount exceeds 30% by mass, the amount of the inorganic compound may be too small.
- the poorly water-soluble compound is preferably used in an amount of 0.1 to 10% by mass, particularly 2 to 8% by mass, based on the water-soluble inorganic compound core particles surface-treated with the first surface treating agent. If the amount is less than 0.1% by mass, the effect of the surface treatment may not be obtained. If the amount exceeds 10% by mass, the amount of the inorganic compound may be too small.
- a surfactant an optional component of the (b) surfactant-containing particles described below, and the like may be contained as long as the effects of the present invention are not impaired.
- Surface-treated water-soluble inorganic compound particles may be contained as long as the effects of the present invention are not impaired.
- the surface-treated water-soluble inorganic compound particles of the present invention are obtained by subjecting water-soluble inorganic compound core particles to a surface treatment with an organic or inorganic water-soluble polymer compound, and further treating the treated surface with a poorly water-soluble compound.
- the surface of the present invention refers to a water-soluble inorganic compound particle group (secondary particles or (Including agglomerated particles). In the case of the water-soluble inorganic compound particle group, the depth of the minute concave portions on the surface is 0.01 to 50 m.
- the water-soluble polymer compound and the poorly water-soluble compound on the surface of the water-soluble inorganic compound core particles form a layer by the presence of the water-soluble polymer compound on the surface of the water-soluble inorganic compound core particles.
- the poorly water-soluble compound may be present in the part, or may be in a randomly mixed state. From the viewpoints of solubility and storage stability, it is preferable that the outermost layer of the surface-treated water-soluble inorganic compound particles contains more hardly water-soluble compounds than water-soluble polymer compounds. Further, from the viewpoint of manufacturability, it is preferable that a larger amount of the water-soluble polymer compound is present near the surface of the core particles of the water-soluble inorganic compound than the hardly water-soluble compound.
- a particularly preferred structure of the surface-treated water-soluble inorganic compound particles is a water-soluble inorganic compound core particle. And a water-soluble polymer compound formed partially or entirely on the surface of the particles.
- core particles of a water-soluble inorganic compound such as a carboxylate usually become alkaline when they come into contact with water or a water-soluble polymer solution. Therefore, when the poorly water-soluble compound is an acid precursor of an anionic surfactant such as a higher fatty acid, it is neutralized on the particle surface by the second surface treatment.
- the neutralization reaction does not occur partially and may remain in the form of the acid precursor.
- the neutralization state of the acid precursor of the anionic surfactant can also be examined by a differential scanning calorimetry (Differential Scanning Calorimeter try; etc.).
- a second surface treatment part is formed with the anionic surfactant acid precursor and Z or a salt thereof.
- the particles can be suitably used as the surface-treated water-soluble inorganic compound particles in the present invention.
- the first surface-treated portion and the second surface-treated portion may impair the effects of the present invention as other components.
- Various additives such as a binder, a dispersant, a solubilizer, a pH adjuster, and a surfactant other than the poorly water-soluble compound may be appropriately contained as long as the surfactant is not contained.
- Surface-treated water-soluble inorganic compound particles In the above, the content is preferably less than 10% by mass, more preferably 5% by mass or less, further preferably 1% by mass or less. It is not included in the amount of the activator.
- the first surface treatment portion exhibits exothermicity in the process of dissolution or dispersion in water
- the second surface treatment portion exhibits endothermicity in the process of dissolution or dispersion in water
- the first surface treatment It is preferable that the entire surface treatment part consisting of the part and the second surface treatment part shows endothermicity in the process of dissolving or dispersing in water.
- Agglomerates formed between the water-soluble inorganic compound core particles and the detergent particles are considered as follows.
- Many water-soluble inorganic compounds which are powder-blended with the granular detergent composition generate a lot of heat upon contact with water.
- the heat of dissolution of sodium carbonate is-24.57 kJ / mo 1 (described in General Chemical Industrial Products, SODA Ash Technical & Handling Guide), hydration of sodium sulfate The heat is 79.58 kJ / mo 1 (described in Chemical Handbook).
- the first surface treatment section shows heat-generating property in the process of dissolving or dispersing in water
- the second surface treatment section shows endothermic property in the process of dissolution or dispersion in water
- the calorific value of the entire surface treatment part comprising the first surface treatment part and the second surface treatment part is endothermic, preferably 30 to 80 J / g particles, more preferably 40 to 70 J / g particles.
- the JZg particles mean the amount of heat (J) per gram of the inorganic compound particles (the same applies to the following description).
- the first surface treatment section exhibits a water immersion action and the second surface treatment section exhibits a water repellency action.
- the wetting rate is a factor that affects the dissolution time, even if the heat of dissolving or dispersing the entire processing unit in water is endothermic, if the wetting rate is too high, the core water solubility Dissolution of the inorganic compound proceeds. As a result, when the excessively dissolved water-soluble inorganic compound is exposed to low-temperature water, re-condensation of hydrate crystals may occur, and aggregates may be formed. On the other hand, if the water repellency is excessive and the wetting rate is too slow, the dissolution itself is hindered, and the surface-treated water-soluble inorganic compound particles may remain undissolved.
- the material has a certain range of wetting rate.
- the value of the wetting rate varies depending on the measurement method and the amount of the sample, but in the present invention, when measured by the Pashban method described later in detail, 0.5 g of the surface-treated water-soluble inorganic compound particles is used.
- the wetting rate due to permeation and capillary action is in the range of 100 to 400 minutes, more preferably in the range of 200 to 400 minutes.
- the physical properties of the surface-treated water-soluble inorganic compound particles of the present invention are not particularly limited, but the bulk density is usually 0.3 g / cm 3 or more, preferably 0.5 to 1.4 g / cm. 3 , more preferably 0.6 to 1.2 / cm 3 . Bulk density is too small If it is too large, it may be easy to classify it when it is used by mixing with other particles.
- the average particle size is preferably from 200 to 2000 m, more preferably from 300 to 1500 m.
- the average particle size is less than 200 m, the specific surface area is too large, and it may be difficult to obtain the hydration inhibiting effect.
- the average particle size is more than 2000 m, the solubility of the surface-treated water-soluble inorganic compound particles themselves is reduced. It may deteriorate.
- the angle of repose is 70. Or less, more preferably 50 ° or less. If the angle of repose exceeds 70 °, the handling of particles may deteriorate.
- the measurement of the bulk density and the average particle diameter is carried out according to the methods described in Examples described later.
- the water content in the surface-treated water-soluble inorganic compound particles is preferably 8% by mass or less, more preferably 7% by mass or less, particularly preferably 6% by mass or less, from the viewpoint of preventing solidification (caking) during storage.
- the water content in the present invention is measured by the heating loss method specified in JIS K3363-1998.
- the method for producing surface-treated water-soluble inorganic compound particles of the present invention includes the following first step and second step.
- First step a step of adding an aqueous solution of a water-soluble polymer compound to the core particles of the water-soluble inorganic compound and treating the surface of the core particles of the water-soluble inorganic compound with the water-soluble polymer compound.
- Second step a step of adding a poorly water-soluble compound to the water-soluble inorganic compound core particles treated in the first step, and subjecting the particles to a surface treatment.
- the first step is a step of adding an aqueous solution of a water-soluble polymer compound to the core particles of the water-soluble inorganic compound, and treating the surface of the core particles of the water-soluble inorganic compound with the water-soluble polymer compound.
- the water-soluble inorganic compound core particles are charged into a granulation and coating apparatus described below, and an aqueous solution of a water-soluble polymer compound is added thereto to perform surface treatment.
- the aqueous solution of the water-soluble polymer compound is usually 0.1 to 90% by mass, preferably 0.5 to 80% by mass, more preferably 1 to 60% by mass, and has a viscosity ( (Measured value at 25 ° C using Brookfield viscometer) Force 0.001 to 100 Pa's, preferably 0.0005 to 50 Pa's It is preferable to use a certain organic water-soluble polymer compound aqueous solution.
- an inorganic water-soluble polymer compound it is usually preferably 1 to 60% by mass, preferably 5 to 55% by mass, and more preferably 10 to 50% by mass. It is preferable that the aqueous solution of the water-soluble polymer compound is added dropwise or sprayed to the core particles of the water-soluble inorganic compound in a stirred and fluidized state.
- the second step is a step of adding a poorly water-soluble compound to the water-soluble inorganic compound core particles treated in the first step, and subjecting the particles to a surface treatment.
- the water-soluble inorganic compound core particles treated in the first step are filled in a granulation / coating apparatus described later, and a water-insoluble compound is added thereto to perform a surface treatment. It is preferable that the hardly water-soluble compound is melted to be in a liquid state, and the liquid is dropped or spray-added to the water-soluble inorganic compound surface-treated in the first step of the stirring / flowing state.
- a stirring granulation method in which a treating agent (a water-soluble polymer compound, a poorly water-soluble compound) is added to the water-soluble inorganic compound core particles, and the mixture is stirred with a stirring blade to granulate and coat.
- a tumbling granulation method in which a treating agent is sprayed while the inorganic compound core particles are tumbled to granulate and coat, (3). The treating agent is sprayed while fluidizing the water-soluble inorganic compound core particles.
- the first step and the second step described above may be performed by the same granulation / coating method and apparatus, or a plurality of granulation / coating methods.
- the methods and apparatus may be combined. Hereinafter, each method, manufacturing apparatus, conditions and the like will be described.
- the apparatus has a stirring shaft provided with a stirring blade at the center of the inside, and has a structure in which a clearance is formed between the stirring blade and the vessel wall when the stirring blade rotates.
- the clearance is preferably from 1 to 30 mm, more preferably from 3 to 10 mm. If the clearance is less than 1 mm, the mixing machine may be easily overpowered due to the adhesion layer. If it exceeds 30 mm, the compaction efficiency is reduced, so that the particle size distribution becomes broad, and the granulation time becomes longer, which may lower the productivity.
- agitating granulators include Henschel mixer (manufactured by Mitsui Miike Kakoki Co., Ltd.), high-speed mixer (manufactured by Fukae Kogyo Co., Ltd.), and vertical granule Ichiichi Ichiichi (manufactured by Parek Co., Ltd.).
- Device. It is particularly preferable to use a horizontal type mixing tank having a stirring shaft at the center of a cylinder and a stirring blade attached to the shaft to mix powder.
- Such mixers include, for example, a Lödige mixer (manufactured by Matsupo Corporation) and a blow shear mixer (manufactured by Taiheiyo Kiko Co., Ltd.).
- the Froude number defined by the following formula is preferably from 1 to 16, and more preferably from 2 to 9. If the fluid number is less than 1, the surface treatment may be insufficient due to insufficient fluidization. On the other hand, if it exceeds 16, the shearing force on the particles becomes too strong, and the surface treatment may be broken.
- the stirring granulator used is equipped with a chopper that rotates at a high speed to promote the compaction of the granules and the disintegration of coarse powder.
- the rotation speed of the chopper is preferably such that the surface treatment portion is not broken.
- the tip speed (peripheral speed) of the chopper is preferably 3 OmZs or less, more preferably 0 to 20 mZs or less.
- the granulation time in batch granulation and the average residence time in continuous granulation are preferably from 0.5 to 20 minutes, more preferably from 3 to 10 minutes. If the granulation time (average residence time) is less than 0.5 minutes, the time is too short to control the granulation to obtain a suitable average particle diameter and bulk density, and the particle size distribution becomes broad. There is. If it exceeds 20 minutes, the time may be too long and the productivity may decrease.
- a treating agent such as an aqueous solution of a water-soluble polymer compound or a sparingly water-soluble compound is preferably added dropwise or sprayed to particles in a stirred and fluidized state.
- stirring can be started to perform granulation and coating operations.
- any type of rolling granulator can be used.
- a drum-shaped cylinder that rotates to perform processing is preferable, and a thing provided with a baffle plate of an arbitrary shape is particularly preferable.
- the drum type granulator include a horizontal cylindrical type granulator, a conical drum type granulator described in the first edition of the first edition of the Granulation Hundred Book, edited by the Japan Powder Industry Association, a multi-stage conical drum type granulator, Drum type granulators with stirring blades and the like can be mentioned.
- Preferred granulation conditions in the tumbling granulation method are shown below.
- the processing time in the batch system and the average residence time defined by the following formula in the continuous system are preferably from 5 to 120 minutes, more preferably from 10 to 90 minutes, and still more preferably from 10 to 40 minutes. If the time is less than 5 minutes, high bulk density may not be obtained, while if it exceeds 120 minutes, productivity may be reduced or particles may be disintegrated.
- Tm Average residence time (min)
- the Froude number defined by the following formula is 0.01 to 0.8.
- the number of fluids is more preferably 0.05 to 0.7, and 0.1 to 0.6. 5 is more preferred. If the Froude number is less than 0.01, uniform and high bulk density particles may not be obtained.On the other hand, if the Froude number is more than 0.8, particles are scattered and normal in the case of a drum type mixer. Shear mixing may not occur.
- V Peripheral speed of the outermost periphery of the rotary mixer (mZs)
- volume filling ratio (X) (M / p) / VX 100
- V Volume of rotating container mixer (L)
- a treating agent such as an aqueous solution of a water-soluble polymer or a poorly water-soluble compound is added by spraying to the particles in a rolling / flowing state.
- stirring is started to perform granulation and coating operations.
- any type of fluidized-bed granulator composed of a fluidized bed main body, a flow straightening plate, a blower, an intake filter, an air heater, a cooler, a spray device, a dust collector, and the like can be used.
- batch type fluidized bed granulator top spray type, side spray type, bottom spray type, etc.
- top spray type, side spray type, bottom spray type, etc. described in Japan Powder Technology Association, Granulation Handbook 1st edition, 1st printing, spouted fluidized bed granulator, Spouted bed granulator, semi-continuous Fluidized bed granulator (dispersed plate inverted discharge type, bottom discharge type, side wall discharge type, etc.)
- Continuous fluidized bed granulator horizontal multi-chamber type, cylindrical type, etc.
- Examples of the use of specific equipment are the batch type fluidized bed granulator G 1 att-I P OWR EX series [manufactured by Baurex Co., Ltd.], Floco Ichiyuichi series [manufactured by Okawara Seisakusho Co., Ltd.], continuous flow
- the MIXGR AD series of bed granulators [manufactured by Okawara Seisakusho Co., Ltd.] and the like.
- the average thickness of the raw material powder layer at the time of standing is preferably about 50 to 500 mm.
- air is sent to the fluidized bed to make the powder fluidized, and then spraying of a treating agent such as an aqueous solution of a water-soluble polymer compound or a poorly water-soluble compound is started.
- a treating agent such as an aqueous solution of a water-soluble polymer compound or a poorly water-soluble compound.
- the spray nozzle it is also preferable to use a two-fluid nozzle in order to improve the spray state, in addition to a normal pressurizing nozzle.
- the average droplet diameter at this time is preferably about 5 to 500 m.
- the wind speed is adjusted in the range of 0.2 to 4. O m / s, and the wind temperature is adjusted to 5 to 70 ° C, preferably 7 to 65 ⁇ . It is preferable to perform the production while periodically dropping the fine particles attached to the bag filter with pulsed air.
- the temperature of the surface-treated water-soluble inorganic compound particles immediately after the completion of the second step is preferably equal to or higher than the melting point of the anionic surfactant acid precursor.
- the temperature of the particles be equal to or higher than the melting point of the poorly water-soluble compound.
- the temperature of the water-soluble inorganic compound core particles treated in the first step is lower than the melting point of the poorly water-soluble compound, the surface after the surface treatment with the poorly water-soluble compound is completed.
- the temperature of the treated water-soluble inorganic compound particles is preferably equal to or higher than the melting point of the poorly water-soluble compound. If the temperature is lower than the melting point, the dispersibility and uniformity of the poorly water-soluble compound in the granulation-coating system will be poor, and the surface treatment with the poorly water-soluble compound may be insufficient.
- the surface-treated water-soluble inorganic compound particles obtained by the above method may be further surface-treated with an organic or inorganic fine powder.
- Surface treatment The water-soluble inorganic compound particles
- the fine powder to be treated include a surfactant at room temperature, a long-chain fatty acid salt, an aluminosilicate, an oil-absorbing carrier, and a clay mineral.
- the surfactant examples include an anionic surfactant, a cationic surfactant, and a nonionic surfactant.
- Long-chain fatty acid salts include alkali and non-alkali metal long-chain fatty acid salts, aluminosilicates such as A-type, P-type, X-type, etc., and oil-absorbing carriers such as silica, silicate compounds, and spherical porous hydrous amorphous
- clay minerals such as silicic acid include montmorillonite, nontronite, paiderite, pyrophyllite, savonite, hectorite, stevensite, and talc. These can be used alone or in an appropriate combination of two or more.
- Non-alkali metal long-chain fatty acid salts and luk are water-repellent, preventing aggregation of water-soluble inorganic compounds.
- Aluminosilicates are commonly used as Ca-trapping builder, and when used alone for surface treatment, mixed Acts as a treating agent on the surface of the detergent particles to be produced.
- the fine particles preferably have a primary particle diameter of 1 Z5 or less, more preferably 1 Z10 or less, based on the average particle diameter of the surface-treated water-soluble inorganic compound particles.
- the amount of the fine powder is preferably 0.1 to 10% by mass, more preferably 1 to 8% by mass, based on the surface-treated water-soluble inorganic compound particles.
- the surface-treated water-soluble inorganic compound particles obtained by the above-described method can be classified as necessary to use only the surface-treated water-soluble inorganic compound particles having a desired particle size.
- a sieve can be suitably used.
- gyroscopic sieves, flat sieves and vibrating sieves are preferred.
- the gyro sieve is a sieve that gives a horizontal circular motion to a slightly inclined plane sieve.
- a flat sieve is a sieve that gives a reciprocating motion almost parallel to the surface on a slightly inclined flat sieve.
- a vibrating sieve is a sieve that vibrates rapidly in a direction substantially perpendicular to the sieve surface.
- the time of sieving is preferably 5 seconds or more, and it is also preferable to use a tapping pole to improve sieving efficiency.
- a sieve include Gyro Shifu Yuichi (manufactured by Tokuju Kosakusho Co., Ltd.), Rottekus Screener (manufactured by Seishin Enterprise), and Dalton Vibrating Sieve (manufactured by Dalton Co., Ltd.).
- Can be Vibration by the sieve is suitably 60 to 300 times / minute, preferably 100 to 250 times / minute, More preferably, it is given by a vibration of 150 to 2000 times / minute. If the frequency of the sieve is less than 60 times the Z-minute, the classification effect may be deteriorated, while if it exceeds 300 times, dust generation may increase.
- the fine powder is again put into the granulator together with the water-soluble inorganic compound core particles, and the granulation is preferably performed for the coating operation.
- the coarse powder is pulverized to a particle size equivalent to that of the water-soluble inorganic compound before the granulation / coating operation, and then again put together with the core particles of the water-soluble inorganic compound into the granulator, where the granulation / coating operation is performed. It is preferable to subject to. At this time, as a crusher for crushing coarse powder, a model having a classification screen and a rotary blade is preferable.
- Examples of such a mill include Fitzmill (manufactured by Hosokawa Micron Corp.), New Speed Mill (manufactured by Okada Seie Co., Ltd.), and Feather Mill (manufactured by Hosokawa Micron Corp.).
- Fitzmill manufactured by Hosokawa Micron Corp.
- New Speed Mill manufactured by Okada Seie Co., Ltd.
- Feather Mill manufactured by Hosokawa Micron Corp.
- the peripheral speed of the tip of the blade of the mill is preferably 15 to 9 OmZs, more preferably 20 to 8 OmZs, and even more preferably 25 to 7 OmZs. If the tip peripheral speed is less than 15 mZ s, the crushing ability may be insufficient
- the third step the water solubility after the surface treatment in the second step
- the third step it is preferable to include a step of suppressing hydration crystal growth on the surface of the inorganic compound core particles.
- the hydrated crystal grows, many irregularities are generated on the surface of the core particles of the water-soluble inorganic compound, the bulk density decreases, and the angle of repose increases.
- the hydrated crystals break through the surface treatment and solidify with the hydrated crystals protruding from nearby surface-treated water-soluble inorganic compound particles, resulting in strong hydrated consolidation.
- Methods for suppressing hydrated crystals include [1] a method of cooling the surface-treated particles after the second step, and [2] a method of drying the surface-treated particles after the second step.
- Cooling method is preferred from the viewpoint of maintaining good solubility.
- the method of cooling the surface-treated particles after the second step is not particularly limited as long as the surface-treated water-soluble inorganic compound particles can be cooled to 30 ° C or lower, preferably 25 or lower.
- the cooling rate is preferably 5 ° C hr or more, more preferably 10 ° C hr or more.
- the cooling method and device are not particularly limited, but the cooling device is classified into a cooling device using a cooled heat transfer surface and a cooling device using an air flow.
- a torus disk manufactured by Hosoka Micron Corp.
- Frigomix manufactured by Nisshin Engineering Co., Ltd.
- Fluidized beds can be used for cooling by using airflow.
- Specific examples of the use of the apparatus are the batch type fluidized bed granulator G 1 att-POWR EX series (manufactured by Baurex), Floco Ichiyuichi series (manufactured by Okawara Corporation), continuous flow
- the MI XGRAD series of bed granulators manufactured by Okawara Seisakusho Co., Ltd.
- the method of drying the surface-treated particles after the second step is not particularly limited as long as the surface-treated water-soluble inorganic compound particles can be dried. More specifically, a similar device used in the above method [1] can be used as a drying device by setting the temperature of a heating medium such as a transmission surface or an airflow to 50 to 300 ° C, preferably 60 to 250 ° C. Utilizing and drying.
- a heating medium such as a transmission surface or an airflow
- the surface-treated water-soluble inorganic compound particles obtained by the above production method can be used as they are as a granular detergent composition.However, they should be mixed with a detergent particle group as an alkaline agent to form a granular detergent composition. Is preferred.
- This group of detergent particles is usually selected from surfactant-containing particles containing a surfactant and an inorganic compound, enzyme particles, bleach particles, and bleach activator particles.
- the mixing ratio (mass ratio) is preferably 3/97 to 97/3, more preferably 5/95 to 95/5, and still more preferably 10/90 to 90/10. preferable.
- the granular detergent composition may optionally include surface-treated water-soluble inorganic compound particles and a detergent particle group.
- dry mixing is preferably used.
- any mixer may be used as long as various kinds of particles can be sufficiently mixed.
- As the mixing machine a mixing machine of a horizontal cylindrical type, a double cone type, a V type, a rotation type and a revolution type can be suitably used. Further, a stirring granulator or a tumbling granulator may be used.
- a horizontal cylindrical type or a double conical type is used, at a temperature of 0 to 50 ° C,? 1 "is mixed in the order of 0.01 to 0.2 (calculation formula is as described above). At this time, the order of adding various particles and other components is not particularly limited.
- the granular detergent composition preferably contains (a) the above-mentioned surface-treated water-soluble inorganic compound particles, and (b) surfactant-containing particles containing a surfactant and an inorganic compound.
- the ratio (al) / bl) of the average particle diameter of the (al) surface-treated water-soluble inorganic compound particles and the (bl) surfactant-containing particles is preferably Is from 0.5 to 2, more preferably from 0.5 to 1.5, and even more preferably from 0.6 to 1.3.
- the ratio (a 2) / (b 2) of the bulk density of (a 2) the surface-treated surface-treated water-soluble inorganic compound particles to (b 2) the surfactant-containing particles is preferably 0.5 to 2 , More preferably 0.6 to 1.5, and still more preferably 0.6 to 1.4.
- the blending amount of the surface-treated water-soluble inorganic compound particles in the granular detergent composition is preferably 1 to 50% by mass, more preferably 5 to 40% by mass, and particularly preferably 10 to 30% by mass.
- the blending amount of the surfactant-containing particles in the granular detergent composition is preferably 10 to 97% by mass, more preferably 30 to 95% by mass, and still more preferably 50 to 90% by mass. .
- the mixing ratio of (a) the surface-treated water-soluble inorganic compound particles and (b) the surfactant-containing particles is (a) particle Z (b) particles (mass ratio), preferably 1Z99 to 50Z50, more preferably 5/50. It is 95-40 / 60, particularly preferably 10 / 90-30 / 70. If the mass ratio exceeds 50/50, fluidity and solubility may be significantly deteriorated.
- the surfactant-containing particles contain a surfactant and an inorganic compound.
- the surfactant include an anionic surfactant, a nonionic surfactant, a cationic surfactant, and an amphoteric surfactant. These may be used alone or in combination of two or more. It can be used together.
- the anion surfactant is not particularly limited as long as it is conventionally used in detergents, and various anion surfactants can be used. For example, the following can be mentioned.
- Hyorefin sulfonate having 10 to 20 carbon atoms
- Ethylene oxide, propylene oxide, butylene oxide or the like having a linear or branched alkyl or alkenyl group having 10 to 20 carbon atoms and an average addition mole number of 10 mol or less.
- alkyl polyhydric alcohol ether sulfate such as alkyl glyceryl ether sulfonic acid having 10 to 20 carbon atoms
- anionic surfactants include alkali metal salts of linear alkylbenzene sulfonic acid (LAS) (eg, sodium or potassium salts), alkali metal salts of AOS, SF, and AES (eg, sodium or potassium salts) And alkali metal salts of higher fatty acids (eg, sodium or potassium salts).
- LAS linear alkylbenzene sulfonic acid
- AOS alkylbenzene sulfonic acid
- AES alkali metal salts of higher fatty acids
- alkali metal salts of higher fatty acids eg, sodium or potassium salts
- nonionic surfactant examples include the following.
- An alkylene oxide having 2 to 4 carbon atoms is added to an aliphatic alcohol having 6 to 22 carbon atoms, preferably 8 to 18 carbon atoms, preferably 3 to 30 mol, preferably 5 to 20 mol.
- polyoxyethylene alkyl (or alkenyl) ether and polyoxyethylene polyoxypropylene alkyl (or alkenyl) ether are preferred.
- the aliphatic alcohol used here includes a primary alcohol and a secondary alcohol. Further, the alkyl group may have a branched chain. As the aliphatic alcohol, a primary alcohol is preferred.
- Alkylene oxide is added between ester bonds of a long-chain fatty acid alkyl ester, for example, a fatty acid alkyl ester alkoxylate represented by the following general formula (I)
- RiCO represents a fatty acid residue having 6 to 22 carbon atoms, preferably 8 to 18 carbon atoms
- OA represents an alkylene group having 2 to 4 carbon atoms, preferably 2 to 3 carbon atoms such as ethylene oxide and propylene oxide.
- n represents the average number of moles of alkylene oxide added, and is generally a number of 3 to 30, preferably 5 to 20.
- R 2 has a substituent having 1 to 3 carbon atoms. May represent a lower (C1-4) alkyl group.
- nonionic surfactants polyoxyethylene alkyl (or alkenyl) ethers having a melting point of 50 or less and an HLB of 9 to 16, polyoxyethylene polyoxypropylene alkyl (or alkenyl) ethers, fatty acid methyl esters, and ethylene oxide Fatty acid methyl ester ethoxylate to which side is added, fatty acid methyl ester ethoxypropoxylate to which ethylene oxide and propylene oxide are added to fatty acid methyl ester, and the like are preferably used. These nonionic surfactants may be used alone or in combination of two or more. be able to.
- the HLB of the nonionic surfactant in the present invention is a value obtained by the Griffin method (Yoshida, Shindo, Ogaki, Yamanaka co-edited, "New Edition Surfactant Handpuck", Industrial Books Co., Ltd., 1991, p. 234).
- the melting point in the present invention is a value measured by a melting point measuring method described in JISK 0064-1992 "Method for measuring melting point and melting range of chemical products"
- the cationic surfactant for example, Can be mentioned.
- the long-chain alkyl is an alkyl group having 12 to 26 carbon atoms, preferably 14 to 18 carbon atoms
- the short-chain alkyl is an alkyl group having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms, a benzyl group, and 2 to 4 carbon atoms. Represents a 2-3 hydroxyalkyl group or a polyoxyalkylene group.
- amphoteric surfactant examples include an amphoteric surfactant such as an imidazoline-based or amido-bein-in-based surfactant.
- the surfactant in the surfactant-containing particles is preferably an anion surfactant and a nonion surfactant from the viewpoint of cleaning performance, and a combination use of an anion surfactant and a nonion surfactant. Is more preferred.
- the mass ratio of the compounding amounts of the anionic surfactant and the nonionic surfactant is 0.1 to 10%. Is preferred, 0.2 to 8 is more preferred, and 0.3 to 7 is even more preferred.
- the amount of the surfactant is preferably (10) 50 to 50% by mass in the surfactant-containing particles (a) from the viewpoint of solubility and fluidity due to mixing with the surface-treated water-soluble inorganic compound particles. More preferably, it is 15 to 40% by mass. If the amount is more than 50% by mass, the fluidity may be deteriorated. If the amount is less than 10% by mass, the solubility may be deteriorated.
- the surfactant-containing particles further contain an inorganic compound.
- the inorganic compound is not particularly limited, but all inorganic compounds contained in the following inorganic builders, reducing agents, and extenders can be used.
- the inorganic compound sodium carbonate, potassium carbonate, sodium sulfate, and aluminosilicate are preferable.
- the compounding amount of the inorganic compound in the surfactant-containing particles is 10 to 80% by mass, preferably 20 to 70% by mass, and more preferably 30 to 60% by mass. If the amount of the inorganic compound is too small, the fluidity may be degraded. If the amount is too large, dusting of the powder may occur.
- the surfactant-containing particles preferably further contain a water-soluble polymer compound, whereby the fluidity and solidification after storage over time can be further improved.
- the water-soluble polymer compound include the same water-soluble polymer compounds as those described above in (a) the surface-treated water-soluble inorganic compound particles.
- the water-soluble polymer compound used here may be the same as or different from (a) the water-soluble polymer compound.
- an acrylic acid polymer compound or a cellulose polymer compound is preferable, and as the acrylic polymer compound, an acrylic acid polymer, acrylic acid / Maleic acid copolymers are preferred.
- CMC carboxymethyl cellulose
- the weight average molecular weight of the water-soluble polymer compound is preferably from 1,000 to 1,000,000.
- the water-soluble polymer compound can be used alone or in an appropriate combination of two or more.
- the compounding amount of the water-soluble polymer compound in the surfactant-containing particles is 0.1 to 10% by mass, preferably 0.5% to 9% by mass, and more preferably 1 to 8% by mass. . If the amount of the water-soluble polymer compound is too small, the intended effect may not be obtained. If the amount is too large, the solubility of (b) the surfactant-containing particles themselves may be deteriorated.
- the surfactant-containing particles (b) of the present invention may contain the following optional components in addition to the above essential components.
- the inorganic compound is an essential component, it will be described in more detail below. Water-soluble polymer compounds are also described redundantly. Each of these optional components can be used alone or in combination of two or more.
- washing builder examples include inorganic and organic builders.
- Examples of the inorganic builder include sodium salt, potassium carbonate, sodium bicarbonate, sodium sulfite, sodium sesquicarbonate, sodium silicate, crystalline layered sodium silicate, amorphous layered sodium silicate, and the like, sulfuric acid, and the like.
- Neutral salts such as sodium, orthophosphates, pyrophosphates, tripolyphosphates, metaphosphates, hexametaphosphates, phosphates such as phytates, the following general formula (II) X 1 (M 20 ) ⁇ A 1 2 ⁇ 3 ⁇ y 1 (S i ⁇ 2 ) ⁇ w 1 (H 2 ⁇ ) (II)
- M is an alkali metal atom such as sodium, potassium, etc.
- X 1 , y 1, and w 1 indicate the number of moles of each component, and generally, X 1 is 0.7 to 1.5, y 1 the number of 0. 8 ⁇ 6, w 1 represents any positive number.
- a crystalline aluminosilicate represented by the following general formulas (1 1 1) and (IV)
- M is an alkali metal atom such as sodium or potassium
- x 3 , y 3 , z 3 and w 3 represent the number of moles of each component, and generally, X 3 is 0.2 to 1.1. , y 3 from 0.2 to 4.0, 2 3 0. 001-0. 8, w 3 0 or amorphous aluminosilicates and the like represented by any showing a positive number.
- inorganic builders sodium carbonate, potassium carbonate, sodium silicate, sodium tripolyphosphate, and sodium aluminum silicate are preferred.
- Organic builder examples include aminocarboxylic acid salts such as triacetate triacetate, ethylenediaminetetraacetate, i3-alanine diacetate, aspartate diacetate, methylglycine diacetate, and iminodisuccinate; serine diacetate Hydroxyamino carboxylates such as hydroxyiminodisuccinate, hydroxyethylethylenediamine triacetate, dihydroxysethylglycine; hydroxycarboxylates such as hydroxyacetate, tartrate, citrate and dalconate Cyclocarboxylates such as pyromellitate, benzopolycarboxylate, and cyclopentanetetracarboxylate; carboxymethyl tartronate, carboxymethyloxysuccinate, oxydisuccinate, tartaric acid Ethers such as mono or disuccinate Rubonates; polymers or copolymers such as itaconic acid, fumaric acid, t
- citrate preferred are citrate, aminocarboxylate, hydroxyaminocarboxylate, polyacrylate, acrylate-maleic acid copolymer, and polyacetalcarboxylate, and particularly, hydroxyiminodisuccinate.
- Suitable are polyacetone carponic acid salts such as 5,000, preferably 5,000 to 200,000 polyglyoxylic acid.
- the blending amount of the organic builder is preferably 0.5 to 20% by mass, more preferably 1 to 0% by mass in the surfactant-containing particles.
- citrate for the purpose of improving detergency and dispersibility of stains in washing liquid, citrate, aminocarboxylate, hydroxyaminocarboxylate, polyacrylate, atalylic acid-maleic acid copolymer, polyaceta It is preferable to use an organic builder such as a monocarboxylate and an inorganic builder such as zeolite in combination.
- Examples of the dissolution promoter to be incorporated into the surfactant-containing particles include, for example, inorganic ammonium salts such as potassium carbonate, ammonium sulfate, and ammonium chloride; Sodium monobenzenesulfonate, sodium xylenesulfonate, sodium benzenesulfonate having 1 to 5 carbon atoms such as sodium cumene sulfonate, sodium benzoate, sodium benzenesulfonate, sodium chloride, citric acid, D- Examples include water-soluble substances such as glucose, urea, and sucrose.
- inorganic ammonium salts such as potassium carbonate, ammonium sulfate, and ammonium chloride
- Sodium monobenzenesulfonate, sodium xylenesulfonate, sodium benzenesulfonate having 1 to 5 carbon atoms such as sodium cumene sulfonate, sodium benzoate, sodium benzenesulfonate
- potassium carbonate and sodium chloride are preferable, and carbon dioxide rim is particularly preferable in view of the balance between the solubility improving effect and the cost.
- the blending amount is preferably 1 to 15% by mass, more preferably 2 to 12% by mass, more preferably 2 to 12% by mass in the surfactant-containing particles from the viewpoint of the solubility improving effect. It is 5 to 10% by mass.
- the surfactant-containing particles it is preferably 1 to 10% by mass, more preferably 2 to 8% by mass, and still more preferably 3 to 7% by mass.
- Examples of the swellable water-insoluble substance to be incorporated in the surfactant-containing particles include powdered cellulose, crystalline cellulose, bentonite, and the like.
- Fluorescent agent bis (triazinylaminostilbene) disulfonic acid derivative (Tinopal AMS—GX), bis (sulfostyryl) biphenyl salt [Tinopearl CBS-X], etc.
- Antistatic agent cationic surfactant such as dialkyl-type quaternary ammonium salt
- Extender sodium sulfate, potassium sulfate, etc.
- Reducing agent sodium sulfite, potassium sulfite, etc.
- Bleaching activation catalysts include transition metal atoms and ligands such as copper, iron, manganese, nickel, cobalt, chromium, vanadium, ruthenium, rhodium, palladium, rhenium, tungsten, and molybdenum, and nitrogen atoms and oxygen.
- a complex is formed via an atom or the like, and the transition metal contained is preferably cobalt, manganese, or the like. Particularly, manganese is preferred.
- the average particle size of the surfactant-containing particles is preferably from 200 to 150001, more preferably from 250 to 1000 rn, even more preferably from 300 to 700 m.
- the bulk density is preferably 0. 4 ⁇ 1. 2gZcm 3, more preferably 0. 5 ⁇ 1. 0 gZ cm 3 .
- the average particle diameter and the bulk density are measured according to the methods described in Examples.
- the water content of the surfactant-containing particles is preferably 4 to 10% by mass, more preferably 5 to 9% by mass, and still more preferably 5 to 8% by mass from the viewpoint of solubility and storage stability.
- the surfactant-containing particles can be obtained by the following granulation method.
- An extruding granulation method in which the raw material powder and one component of the binder (surfactant, water, liquid polymer component, etc.) are kneaded and kneaded, and then extruded and granulated. Kneading. Kneading, crushing and granulating methods to crush and granulate, stirring granulation method in which a binder component is added to raw material powder and agitating with stirring blades to granulate, spraying one component of binder while rolling raw material powder And a fluidized bed granulation method in which a raw material powder is fluidized while a liquid binder is sprayed and granulated. Specific equipment and conditions that can be used in these granulation methods are described in JP-A-2003-105400, JP-A-2003-238998, edited by the Japan Powder Technology Association and the first edition of the Granulation Handbook. It is as follows.
- the granular detergent composition of the present invention comprises, from the viewpoint of preventing solidification (caking) during storage, one of (a) the surface-treated water-soluble inorganic compound particles and (b) the surfactant-containing particles, and preferably both of them. It is preferable to perform a surface treatment with an organic or inorganic fine powder.
- the fine powder is not particularly limited as long as it is a fine powder having a primary particle diameter of 30 m or less, preferably 0.1 to 10 m.
- the fine powder include a room temperature solid surfactant, a long-chain fatty acid alkaline earth, and the like.
- Examples include metal salts, aluminosilicates, silica, clay minerals, and the like. Of these, aluminosilicates are preferred.
- the amount of the fine powder is preferably 0.1 to 10% by mass, more preferably 0.3 to 5% by mass in the granular detergent composition. %, More preferably 0.5 to 3% by mass.
- the water content of the granular detergent composition of the present invention is preferably 10% by mass or less, more preferably 4 to 9% by mass, and still more preferably 5 to 8% by mass from the viewpoint of solubility and storage stability.
- a combination of (a) a surface-treated water-soluble inorganic compound particle and (b) a surfactant-containing particle that particularly satisfies the following conditions is preferable.
- the water-soluble inorganic compound of the particles is sodium carbonate or potassium carbonate, and the water-soluble polymer compound is one or two selected from a vinyl polymer compound, a polysaccharide or a derivative thereof, and a polyester polymer compound.
- the amount of the poorly water-soluble compound in the particles is less than 10% by mass, and (b) the amount of the surfactant in the surfactant-containing particles is 10 to 50% by mass.
- the granular detergent composition of the present invention contains, in addition to (a) surface-treated water-soluble inorganic compound particles and (b) surfactant-containing particles, other particles such as enzyme particles, bleach particles, and bleach activator particles. be able to.
- enzyme particles As the enzyme in the enzyme particles, commercially available enzyme particles currently used for granular clothing detergents can be used as they are. Specifically, proteases such as sabinase 12T, kannase 12 ⁇ , 24 ⁇ , evarase 8T, Deozyme, lipases such as revorase ultra 50T, LI ⁇ 50 ⁇ , etc., amylase such as Termamyl 100, etc., cellzym 0 Cellulase of 7 ⁇ and others (above, manufactured by Nopozymes), Maxacal 45G, Maxam 30G, Properase 1000E (above, manufactured by Diene Core) and the like.
- proteases such as sabinase 12T, kannase 12 ⁇ , 24 ⁇ , evarase 8T, Deozyme, lipases such as revorase ultra 50T, LI ⁇ 50 ⁇ , etc.
- amylase such as Termamyl 100, etc.
- cellzym 0 Cellulase of 7 ⁇ and others above
- the average particle size of the enzyme particles is preferably from 200 to 1000 m, more preferably from 300 to 700 m, from the viewpoint of solubility and storage stability.
- the measurement of the average particle diameter is based on the measuring method described in Examples described later.
- the amount of the enzyme particles is preferably 0.1 to 5% by mass, more preferably 0.2 to 2% by mass, based on the total amount of the granular detergent composition, from the viewpoint of cleaning performance.
- Bleach particles consist of hydrogen peroxide or a peroxide that generates hydrogen peroxide when dissolved in water, usually one of sodium percarbonate and sodium perborate Or both are used. In particular, sodium percarbonate is preferred from the viewpoint of stability over time. These peroxides are treated with a coating or the like in order to prevent decomposition due to contact of water or other detergent components with the surfaces of the particles composed of the peroxide. Used in Various oxygen bleaching agents in the form of particles subjected to coagulation have been proposed, and examples thereof include bleaching agent particles described in Japanese Patent No. 2918991.
- the bleaching agent particles are granulated products obtained by separately spraying an aqueous boric acid solution and an aqueous solution of an alkali metal silicate onto particles of sodium percarbonate kept in a fluid state, and drying.
- a conventionally known stabilizer such as a chelating agent may be used in combination with the coating agent.
- the average particle diameter of the coated sodium percarbonate particles is preferably from 100 to 200 m, more preferably from 200 to L 00, from the viewpoint of stability and solubility of the sodium percarbonate particles. 0 im, more preferably 300 to 800 m, such as SPC-D manufactured by Mitsubishi Gas Chemical Co., Ltd.
- the blending amount of the bleaching particles depends on the bleaching performance and efficiency. Therefore, it is preferably 0.5 to 30% by mass, more preferably 1 to 20% by mass, based on the total amount of the granular detergent composition.
- the bleaching activator in the bleaching activator particles may be tetraacetylethylenediamine, alkanoyloxybenzenesulfonic acid having 8 to 12 carbon atoms, alkanoyloxybenzoic acid having 8 to 12 carbon atoms, or a mixture thereof. Salts are preferred. Of these, 4-decanoyloxybenzoic acid, sodium 4-dodecanolyloxybenzenesulfonate, and sodium 4-nonanoyloxybenzenesulfonate are preferred. Xybenzoic acid and sodium 4-nonanoyloxybenzenesulfonate are more preferred.
- the bleach activator is obtained by heating and melting a solid binder material at room temperature, such as polyethylene glycol of PEG # 300 to # 200, preferably PEG # 400 to # 600.
- a bleach activator and powder of surfactant such as olefin sulfonate, alkylbenzene sulfonate, alkyl sulfate, etc.
- surfactant powder Preferred is a ⁇ -olefin sulfonic acid salt having an alkyl chain length of 14.
- the blending amount of the bleach activator in the granulated product is preferably 30 to 95% by mass, and more preferably 50 to 90% by mass. If the compounding amount is outside this range, it may be difficult to sufficiently obtain the effect of granulation.
- the compounding amount of the binder substance is 0.5 to 30% by mass, preferably 1 to 20% by mass, more preferably 5 to 20% by mass in the granulated material.
- the compounding amount of the surfactant powder is It is preferably 0 to 50% by mass, more preferably 3 to 40% by mass, particularly preferably 5 to 30% by mass in the granulated product.
- the average particle size of the bleach activator particles is preferably from 200 to 1500 m, more preferably from 300 to L000 m, from the viewpoint of solubility and storage stability.
- the blending amount of the bleach activator particles is preferably from 0.1 to 15% by mass, particularly preferably from 0.3 to 10% by mass, based on the total amount of the granular detergent composition.
- These dyes and pigments are converted into an aqueous solution or dispersion, and then the particles are stirred and tumbled in a stirring granulator or a tumbling granulator similar to a granulator for surfactant-containing particles. While adding, it can be colored.
- the particles may be colored by spraying the aqueous solution or dispersion liquid onto the particles while the particles are transported on a belt conveyor.
- the coloring amount is preferably 0.001 to 1% by mass based on the particles to be colored.
- the fragrance may be added to one or both of (a) the surface-treated water-soluble inorganic compound particles and (b) the surfactant-containing particles, and then the respective particles may be mixed. After mixing the water-soluble inorganic compound particles and the (b) surfactant-containing particles, fragrance may be applied.
- the fragrance used the components described in JP-A-2002-146399 and JP-A-2003-89800 can be used.
- the fragrance is a mixture of a fragrance component, a solvent, a fragrance stabilizer and the like.
- flavor is not limited to the fragrance
- the physical properties of the granular detergent composition of the present invention are not particularly limited, but the bulk density is usually 0.3 g / cm 3 or more, preferably 0.5 to: L. 2 g, 'cm 3 And more preferably 0.6 to 1.1 gZcm 3 .
- the average particle size is preferably from 200 to 1500 m, more preferably from 250 to 1000 m, and even more preferably from 280 to 700 m. If the average particle size is less than 200 m, dust may be easily generated or the handling property may be deteriorated.On the other hand, if the average particle size exceeds 1500 m, it may be difficult to obtain the solubility intended by the present invention. .
- the fluidity of the granular detergent composition is preferably 60 ° or less, particularly preferably 50 ° or less as a repose angle.
- the fluidity should preferably be 60 ° or less, more preferably 50 ° or less, as the angle of repose. Preferred from the point.
- the granular detergent composition of the present invention can be filled into a suitable container to form a granular detergent article in a container.
- a suitable container As the material of the container, saving permeability in terms of stability humidity 30 gZm 2 • 24 hours preferably (40 ° C, 90% RH ) or less, 25 gZm 2 ⁇ 24 hours (40 ° C, 90% RH ) or less Is more preferred. These can be achieved by combining general packaging materials and changing the thickness.
- the moisture permeability in the present invention is JIS
- the granular detergent composition of the present invention can be further used as a compression detergent such as a tablet detergent and a briguet detergent by compression molding after further mixing a disintegrant and the like. Since the granular detergent composition of the present invention can improve the fluidity and solidification after long-term storage while ensuring sufficient low-temperature solubility, it is particularly suitable for washing in a short-time washing course, and washing in a weak-flow course. It is suitable for applications or purposes, such as for washing, cold water washing, and washing machines with detergent inlets. Washing method
- the water-soluble inorganic compound particles are surface-treated with an organic or inorganic water-soluble polymer compound, and the treated surface is not treated with a poorly water-soluble compound. Washing the laundry with the surface-treated water-soluble inorganic compound particles at a bath ratio of 7 to 15 LZ kg, preferably 8 to 15 LZ kg, more preferably 10 to 13 L / kg.
- the washing method is performed at a rinsing temperature of 5 to 12 ° C, preferably 7 to 12 ° C, and more preferably 10 to 12 ° C.
- the present invention when the washing is performed at the bath ratio and the washing temperature in the above range, the effect of not forming aggregates even when moistened at a low water temperature and a low stirring force is exhibited.
- the treated water-soluble inorganic compound particles, which are blended with the particles can provide a powdery detergent composition having excellent fluidity and non-solidification properties after long-term storage.
- the present invention will be described more specifically with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
- the composition is “%” by mass%, and the amount of each component in the table is (a) surface-treated water-soluble inorganic compound particles in Tables 1 to 4 and ( b) Regarding the composition of the surfactant-containing particles, the compounding amount as a pure component is shown, and other tables show the compounding amounts of the listed components. Examples and comparative examples
- a water-soluble inorganic compound core particle is equipped with a plow-blade shovel, and the clearance between the shovel and the wall is 5 mm. Then, stirring at a spindle speed of 150 rpm was started (chopper rotation speed: 115 rpm, blade tip speed (peripheral speed): 6.9 m / s). 10 seconds after the start of stirring, an aqueous solution of a water-soluble polymer compound (concentration is described in the raw material column described below, the same applies hereinafter) was spray-added for 180 seconds using a pressurized nozzle (flat nozzle) with a spray angle of 115 degrees.
- the granulation and coating operations were performed, and the aqueous solution of the water-soluble polymer compound was stored for 10 days at the temperatures shown in Tables 1 to 4 before use. If the water content relative to the total amount of the prepared particles exceeded 10%, the device was dried by introducing hot air into the above device, and the water content was adjusted to the values shown in Tables 1 to 4.
- the coating operation was carried out by spraying the poorly water-soluble compounds shown in Tables 1 to 4 with a spray nozzle with a spray angle of 60 ° (full cone nozzle) for 180 seconds while continuing to stir with a professional mixer. . Finally, fine powder was added as needed, and stirring was continued for 30 seconds to obtain particles.
- the coating operation was performed by appropriately passing warm water through the mixer jacket through the first and second steps so that the particle temperature immediately after the completion of the coating operation was as shown in Tables:! To 4.
- the obtained particles are filled in a fluidized bed (G 1 att-POWREX, model number FD-WRT-20, manufactured by Parex Co., Ltd.), and after filling, air (air) at 15 ° C is filled in the fluidized bed. And cooled the particles to obtain particles cooled to 20 ° C.
- the wind speed in the fluidized bed was adjusted in the range of 0.2 to 10. Om / s while checking the fluidized state.
- the obtained particles are classified using a sieve with an aperture of 2000 m, and the surface-treated water-soluble inorganic compound particles that pass through a sieve with an aperture of 2000 m (the average particle diameter, angle of repose, and bulk density are described in Tables 1 to 4. ) Got.
- Method for producing surface-treated water-soluble inorganic compound particles 2 (stirring granulation 2)
- the surface-treated water-soluble inorganic compound particles (the average particle diameter, the angle of repose, and the bulk density are determined in the same manner as in step 3 of the above-described method 1 for producing the surface-treated water-soluble inorganic compound particles). 1-4) were obtained.
- Method for producing surface-treated water-soluble inorganic compound particles 3 (rolling granulation)
- the water-soluble inorganic compound core particles were mixed with a horizontal cylindrical tumbling mixer (cylinder diameter: 585 mm, cylinder length: 490 mm, container: 131.7 L). (With two baffles with a clearance of 20 mm and a height of 45 mm) (filling rate: 20% by volume), and the rolling operation was started at a rotation speed of 22 rpm. Thirty seconds after the start of rolling, a water-soluble polymer aqueous solution was spray-added at 100 gZmin using a two-fluid hollow cone nozzle with a spray angle of 70 °, and granulation and coating operations were performed.
- the fluidized bed (G 1 att—P atWREX, Model No. FD—WRT—20 manufactured by Parex Co., Ltd.) is filled, and after filling, a wind (air) at 15 ° C. is sent into the fluidized bed, and the particle size is reduced. A cooling operation was performed. The wind speed in the fluidized bed was adjusted in the range of 0.2 to 10. Om / s while checking the fluidized state. As a result, particles cooled to 20 ° C were obtained. The obtained particles are classified by using a sieve having a mesh size of 250 m and a mesh size of 2000 m, and pass through a sieve having a mesh size of 2000 m without passing through the mesh size of 250 m. The diameter, angle of repose, and bulk density are shown in Tables 1-4. Method for producing surface-treated water-soluble inorganic compound particles 4 (fluidized bed granulation)
- water-soluble inorganic compound core particles were placed in a fluidized bed (PAREX Co., Ltd., GI att—PWREX, model number FD—WRT—20), and the powder was left standing. A mass that gives a layer thickness of 200 mm was added. Then, a 50 ° C air (air) was sent into the fluidized bed, and after confirming that the powder had fluidized, the water-soluble polymer aqueous solution was sprayed from above onto the fluidized powder bed. The granulation and coating operations were performed while adjusting the wind speed in the fluidized bed in the range of 0.2 to 10. Om / s while checking the fluidized state. A two-fluid hollow cone nozzle with a spray angle of 70 ° was used for spraying the water-soluble polymer aqueous solution. The spray speed was about 100 gZmin. 2nd step
- the coating operation was performed by spraying the poorly water-soluble compounds shown in Tables 1 to 4 at 100 gZmin using the same two-fluid hollow cone cone nozzle. .
- the powder was flowed while the wind (air) at 50 ° C was continuously fed into the fluidized bed until the water content became 8% by mass.
- the granulated material is discharged from the fluidized bed, and a rolling drum (0.6 m in diameter, 48 m in length, 1 mm in thickness, 12 cm in width, 12 cm in length and 48 cm in length) The granulated material and the fine powder were mixed for 60 seconds at a rotation speed of 2 Orpm with 4 plates.
- the surface-treated water-soluble inorganic compound particles (average particle diameter, angle of repose, The bulk densities are shown in Tables 1-4).
- Production method of surface-treated water-soluble inorganic compound particles 5 (stirring granulation + tumbling granulation)
- water-soluble inorganic compound core particles were Into a Reedige mixer (M20 type, manufactured by Matsupo Corporation) with a clearance of 5 mm between the excavator and the wall (filling ratio: 30% by volume), and start stirring at 200 rpm at the main shaft. (The chopper was stopped.) 10 seconds after the start of stirring, an aqueous solution of a water-soluble polymer was added in 30 seconds, and granulation and coating operations were performed.
- the obtained granules are discharged from the Lodige mixer, and are fed into a horizontal cylindrical rolling mixer (cylinder diameter: 585 mm, cylinder length: 490 mm, container: 31.7 L, drum inner wall surface) (With two baffles with a clearance of 20 mm from the inner wall and a height of 45 mm)) and started rolling at a rotation speed of 22 rpm. Thirty seconds after the start of rolling, the poorly water-soluble compounds shown in Tables 1 to 4 were spray-added at 100 g Zmin using a two-fluid holo-cone nozzle with a spray angle of 70 °, and coating was performed. .
- the surface-treated water-soluble inorganic compound particles (average particle diameter, angle of repose, and bulk density are shown in Table 3) by the same operation as in the third step of the above-mentioned method 3 for producing the surface-treated water-soluble inorganic compound particles (rolling granulation). 1-4) were obtained.
- the poorly water-soluble compound was added in a liquid state having a melting point or higher.
- coarse particles of surface-treated water-soluble inorganic compound particles which are not used as the surface-treated water-soluble inorganic compound particles generated in the classification process of the surface-treated water-soluble inorganic compound particles 1 to 5 are manufactured by Fimill (Hosokawa Micron Co., Ltd.) The mixture was ground using KA-3) (screen hole diameter: 1.2 mm, number of revolutions: 470 rpm), and put into a granulator together with a water-soluble inorganic compound at the next granulation and reused.
- the calorific value (Q A ) of the water-soluble inorganic compound core particles and the calorific value (Q B ) of only the first surface treatment section were measured.
- the first surface treatment unit for heat generation in the solution or dispersion process in water, Q B - means processing section that satisfies Q A ⁇ 0.
- the second surface treatment part that absorbs heat in the melting-decomposition process in water refers to processing unit which satisfies the Q- Q B> 0.
- the endothermic in the dissolution / dispersion process in the entire surface treatment section means a state of Q ⁇ Q A > 0.
- Q, 0 and ⁇ 3 3 were both exothermic (i.e., a negative value).
- Comparative Test Example a29 Although the maximum temperature rise of sodium carbonate particles in 29 is 31.6 ° C, the surface treatment aqueous solution whose heat of solution in the surface treatment part is in the range of 30 to 80 JZ g The temperature of the conductive inorganic compound particles is suppressed to a degree of temperature rise of 15 ° C to 6 ° C.
- the obtained maximum temperature rise was evaluated based on the following evaluation criteria.
- Tables 1 to 4 show, in addition to the above evaluation results, the temperatures at which the used water-soluble inorganic compound core particles, water-soluble polymer compounds and poorly water-soluble compounds were used, and the temperatures after the second step in each production method.
- the temperature of the surface-treated water-soluble inorganic compound particles and the production method used for preparing each surface-treated water-soluble inorganic compound particle are also described.
- Surfactant-containing particles b1 to b7 were obtained by the following production method.
- surfactant-containing particles b1 were prepared in the following procedure. First, water was poured into a jacketed mixing tank equipped with a stirrer, and the temperature was adjusted to 60 ° C. To this, a surfactant excluding ⁇ -SF-Na and a nonionic surfactant, and PEG # 6000 were added and stirred for 10 minutes. Then MA1 (acrylic acid (Maleic acid copolymer sodium salt) and a fluorescent agent.
- MA1 acrylic acid (Maleic acid copolymer sodium salt
- the slurry was spray-dried using a countercurrent spray drying tower at a hot air temperature of 280 ° C to obtain an average particle diameter of 320 ⁇ m and a bulk density of 0 Spray-dried particles with 30 g Z cm 3 and 5% moisture were obtained, while the fatty acid ester of the raw material was sulfonated and neutralized to obtain an aqueous slurry of ⁇ -SF-Na (water concentration 25%). Then, a part of nonionic surfactant (Q! —SF—25% based on Na) is added, and the water content is reduced under reduced pressure with a thin film dryer to 11%, and one SF—Na and nonion are added. A mixed concentrate of surfactant was obtained.
- Q! —SF—25% based on Na a part of nonionic surfactant
- This surfactant-containing kneaded material is extruded using a Pellet Yuichi Double (manufactured by Fuji Padal Co., Ltd., EXDF JS-100 type) equipped with a die with a hole diameter of 10 mm, and cut with a cutter (the peripheral speed of the cutter is 5 ms) A pellet-like surfactant-containing molded product having a length of about 5 to 30 mm was obtained.
- a Pellet Yuichi Double manufactured by Fuji Padal Co., Ltd., EXDF JS-100 type
- particulate A-type zeolite (average particle size: 180 m) as a grinding aid was added to the obtained pellet-like surfactant-containing molded product, and cooled air (10 ° C, 15 mZs) was added.
- a horizontal cylindrical tumbling mixer (cylinder diameter: 585 mm, cylinder length: 490 mm, container: 131.7 L drum inner wall with 20 mm clearance from the inner wall and two baffles 45 mm high) Under the conditions of a filling rate of 30% by volume, a rotation speed of 22 rpm, and 25 ° C, 1.5% equivalent of fine powder type A zeolite was added. While spraying 0.5% equivalent of nonionic surfactant and perfume, it was tumbled for 1 minute to modify the surface to obtain particles.
- the surfactant-containing particles were transported on a belt conveyor at a speed of 0.5 mZ s (the height of the surfactant-containing particle layer on the belt conveyor was 30 mm, and the A 20% aqueous dispersion of the dye was sprayed on the surface to obtain surfactant-containing particles bl (average particle diameter 550 zm, bulk density 0.84 g / cm 3 ).
- Surfactant-containing particles b2 and b3 (average particle diameter and bulk density are described in Table 5) were obtained in the same manner as the method for preparing surfactant-containing particles b1. Preparation method of surfactant-containing particles 2
- surfactant-containing particles b4 were prepared in the following procedure. Of the components shown in Table 5 below, all components (temperature 25 ° C) except for surfactants and 5.0% equivalent of P-type zeolite, pigments, and fragrances used for surface coating were subjected to a plow blade excavator. Equipped with an excavator and a clearance meter between the excavator and the wall with a clearance of 5 mm (a filling ratio of 50% by volume, manufactured by Matsupo Co., Ltd., M20), and agitated the main spindle at 200 rpm and the chopper at 200 rpm. .
- a surfactant mixture (a mixture of a nonionic surfactant and an anionic surfactant preliminarily heated to 60 ° C and uniformly mixed) and water (temperature 60 ° C) were added in 2 minutes, Agitation granulation was continued at a jacket temperature of 30 ° C. until the average particle diameter reached 400. Finally, 5.0% equivalent of P-type zeolite was added and stirred for 30 seconds to modify the surface to obtain particles.
- a 20% aqueous dispersion of the pigment is sprayed in the same manner as in the method 1 for preparing the surfactant-containing particles, and the surfactant-containing particles b 4 (average particle diameter 400 m and a bulk density of 0.80 gZcm 3 ) were obtained.
- surfactant-containing particles b5 were prepared by the following procedure.
- nonionic surfactants powdered zeolite A (zeolite) For kneading a part of Olite A) (2.0% equivalent (each particle, same hereafter)) during kneading, 3.2% equivalent for milling aid, 1.5% equivalent for surface coating
- components other than pigments and perfumes are dissolved or dispersed in water to prepare a slurry with a water content of 38%, and then sprayed using a countercurrent spray-drying tower at a hot air temperature of 300.
- the surfactant-containing kneaded material was extruded using a pellet doubler (EXDF JS-100, manufactured by Fuji Padal Co., Ltd.) equipped with a die with a hole diameter of 10 mm, and was cut with a cutter (one round of cutlery).
- a pellet-like surfactant-containing molded product having a speed of 5 m / s) and a length of about 5 to 30 mm was obtained.
- the obtained pellet-like surfactant-containing molded product was pulverized by the same method as in the method 1 for preparing surfactant-containing particles, and then subjected to surface modification to obtain particles.
- a 20% aqueous dispersion of the pigment is sprayed in the same manner as in the method 1 for preparing the surfactant-containing particles, and the surfactant-containing particles b 5 (average particle diameter 540 m and a bulk density of 77 gZcm 3 ).
- Surfactant-containing particles b7 (average particle diameter and bulk density are described in Table 5) were obtained in the same manner as the method for preparing surfactant-containing particles b5. Preparation method of surfactant-containing particles 4
- surfactant-containing particles b6 were prepared in the following procedure. First, water was charged into a jacketed mixing tank equipped with a stirrer, and the temperature was adjusted to 50 ° C. Sodium sulfate and a fluorescent agent were added thereto, and the mixture was stirred for 10 minutes. Subsequently, after sodium carbonate was added, PAS (sodium polyacrylate) was added, and the mixture was further stirred for 10 minutes, and then sodium salt and a part of powdered A-type zeolite were added. Further, the mixture was stirred for 30 minutes to prepare a slurry for spray drying. The temperature of the obtained slurry for spray drying was 50 ° C. This slurry is pressure Spray drying is carried out with a counter-current spray dryer equipped with a nozzle, with a water content of 3% and a bulk density of 0
- Spray-dried particles having a particle size of 50 gZcm 3 and an average particle size of 250 m were obtained.
- a nonionic surfactant PEG # 6000, and anionic surfactant were mixed at a temperature of 80 ° C. to prepare a surfactant composition having a water content of 10%.
- LAS—Na was used in the form of a solution neutralized with an aqueous sodium hydroxide solution.
- the obtained spray-dried particles are charged (filling rate 50% by volume) into a Reedige mixer (M20 type, manufactured by Matsupo Co., Ltd.) equipped with a plow blade-shaped shovel and having a clearance between the shovel and the wall of 5 mm, and a jacket
- a Reedige mixer M20 type, manufactured by Matsupo Co., Ltd.
- stirring of the spindle 150 rpm
- the chopper (4000 rpm) was started while flowing hot water at 80 ° C at a flow rate of 10 LZ.
- the surfactant composition prepared above was added thereto over 2 minutes, and then stirred for 5 minutes.
- the layered silicate (SKS_6, average particle size 5 / m) and a part of powder A zeolite were used. (Equivalent to 10%) and stirred for 2 minutes to obtain particles.
- the obtained particles and a part of powder A-type zeolite (equivalent to 2%) are mixed with a V blender, and after spraying a fragrance, a surfactant is used to color some of the surfactant-containing particles. It was sprayed with a 20% aqueous dispersion of the dye in the same manner as in preparation method 1 containing particles, give the interfacial active agent-containing particles b 6 (average particle size 300 / m, the bulk density 0. 75 g / cm 3) Was.
- a bleach activator granule A having an average particle diameter of about 700 am was obtained.
- Preparation method of bleach activator granulated product B A bleach activator granule B was prepared in the same manner as the bleach activator granule A, except that sodium 4-dodecanoyloxybenzenesulfonate was used as the bleach activator.
- a bleach activator granule C was prepared in the same manner as the bleach activator granule A, except that sodium 4-nonanoyloxybenzenesulfonate was used as the bleach activator.
- a granular detergent composition was prepared by the following method, and the solubility (low-temperature aggregation rate), the solidification property (solidification rate), and the fluidity were evaluated. The results are shown in Tables 6 to 10.
- Horizontal cylindrical tumbling mixer (cylinder diameter 585 mm, cylinder length 490 mm, vessel 1 31.7 L drum inner wall clearance 20 mm, height 45 mm (With two baffles) at a filling rate of 30% by volume, a rotation speed of 22 rpm, and a temperature of 25 ° C.
- the surfactant-containing particles (b) described in 5 and other components were mixed for 5 minutes according to the compositions shown in Tables 6 to 10 to obtain a granular detergent composition.
- Tables 6 to 10 show the average particle size and bulk density of the obtained granular detergent composition.
- the detergent composition preferably has a low-temperature aggregation rate of less than 20%.
- Paper container consisting of three layers of coated pole paper (basis weight: 350 g / m 2 ), wax sand paper (basis weight: 30 g / m 2 ), and kraft pulp paper (basis weight: 70 g / m 2 ) from the outside Using (moisture permeability 25 gZm 2 * 24 hours (40 ° C 90 RH)), a box having a length of 15 cm, a width of 9.3 cm and a height of 18.5 cm was prepared. Put 1.2 kg of the granular detergent composition in this box, store in a recycle constant temperature and humidity room at 25 ° C (65% RH for 8 hours) and 45 ° C (85% RH for 16 hours) for 30 days, A sample for solidification test was obtained. After storage over time, the detergent was gently transferred to a sieve having an opening of 4 mm, solidified on the sieve, the remaining detergent was weighed, and the solidification rate was determined by the following formula. Mass of detergent composition left on sieve
- the detergent composition preferably has a solidification rate of less than 20%.
- the angle of repose was measured by the below-described method of measuring the angle of repose using the granular detergent composition after the evaluation of the solidification property. The results were evaluated according to the following evaluation criteria. Considering the usability at home, the detergent composition preferably has a repose angle of 60 ° or less. Evaluation criteria>
- ⁇ Angle of repose is 50. Over 60 ° or less.
- the average particle diameter, bulk density and angle of repose in the present invention were measured by the following methods.
- the opening of the first sieve at which the integrated mass frequency is 50% or more is defined as am, and the opening of the sieve one step larger than am is defined as bm.
- the average particle diameter (weight 50%) was determined by the following formula, where the integration of the mass frequency from the sieve to the am sieve was c%, and the mass frequency on the am sieve was d%.
- the bulk density was measured according to JIS K3362-1998.
- the angle of repose was measured using a turntable type angle of repose meter manufactured by Tsutsui Physical and Chemical Instruments Co., Ltd. [Table 6]
- Example 1 to 17 the dye aqueous dispersion sprayed at the time of preparing the surfactant-containing particles was subjected to surface-treated water-soluble inorganic compound particles, surfactant-containing particles, and other particle components in a horizontal cylindrical tumbling mixer. After powder mixing, the mixture was sprayed by the same method as described in Method 1 for preparing surfactant-containing particles to obtain a granular detergent composition (Examples 53 to 69). Also in this granular detergent composition, the same evaluation results as in Examples 1 to 17 were obtained.
- Example 4 the surface-treated water-soluble inorganic compound particles a 9 Except having changed to 3, a12, and a16 particles, it prepared similarly to Example 4 and obtained the granular detergent composition (Examples 70-74). With this granular detergent composition, the same evaluation results as in Example 4 were obtained.
- Example 30 except that the a18 particles, which are the surface-treated water-soluble inorganic compound particles, were changed to all, a13 to a15, and a20 to a24 particles. Preparation was performed in the same manner as in Example 30 to obtain a granular detergent composition (Examples 75 to 83). The same evaluation results as in Example 30 were obtained with this granular detergent composition.
- 40 g of the granular detergent composition of Example 4 and 40 g of the granular detergent composition of Comparative Example 2 were divided into six parts each of a pulse of a fully automatic washing machine “MAW-V8TP” manufactured by Mitsubishi Electric Corporation. It was placed in a conical cluster near the outer periphery of one of the fan-shaped depressions. 3 kg of clothing (50% of cotton underwear, 50% by weight of polyester Z cotton blended shirt) was put into a washing tub so as not to disturb the state of aggregation of the detergent composition. 38 L of tap water at 10 ° C was injected at a flow rate of 10 LZ so that water did not directly hit the detergent. We washed in the "wash quickly" course, a short-time washing course.
- Example 4 After completion of the washing process (3 minutes), drainage was performed, and the state of the detergent composition remaining in clothing and the washing tub was visually determined.
- Comparative Example 2 a large amount of aggregates of the detergent composition remained, whereas in Example 4, no detergent composition remained.
- the granular detergent composition of Example 4 and the granular detergent composition 4 of Comparative Example 3 did not. 0 g of the pulsator of the fully automatic washing machine “ASW-ZR750” manufactured by Sanyo Electric Co., Ltd. placed. 3 kg of clothing (50% by mass of cotton underwear, 50% by mass of polyester cotton blend) was put into a washing tub so as not to destroy the detergent composition.
- Example 4 About the granular detergent composition of Example 4 and the granular detergent composition of Comparative Example 3, using a drum type washing machine with a detergent inlet (manufactured by Sharp Corp., ES-E61), the inlet was used. 40 g of the granular detergent composition was added and washed on a standard course (water temperature 10 ° C, water volume 30 L, clothing 3 kg (cotton underwear 50% by mass, polyester / cotton blended shirt 50% by mass)). When this washing was repeated once a day for 30 days, the detergent composition remained undissolved at the inlet in Comparative Example 3 (about 10 g), whereas the detergent composition did not remain in Example 4 .
- a standard course water temperature 10 ° C, water volume 30 L, clothing 3 kg (cotton underwear 50% by mass, polyester / cotton blended shirt 50% by mass)
- Ses QUi TM Sodium Ses qu icarbonate (FMC, USA, average particle size 290 zm, bulk density 0.75 g / cm 3 )
- Carbonated rim Carbonated rim (powder) (manufactured by Asahi Glass Co., Ltd., average particle diameter 490 m, bulk density 1.30 g / cm 3 )
- HPC Hydroxypropylcellulose (HPC, S SLT yp e, manufactured by Nippon Soda Co., Ltd.) Diluted with water to a pure content of 5%
- MA1 Acrylic / maleic acid copolymer Na salt, Aquaric TL-400 (Nippon Shokubai Co., Ltd.) (40% pure water solution)
- MA2 acrylic acid-nomaleic acid copolymer
- Na salt Aqualic TL-1400 (manufactured by Nippon Shokubai Co., Ltd.) diluted with water to a pure content of 20%
- MA3 Acrylic acid / maleic acid copolymer Na salt: Sokal an CP45 (manufactured by BASF) diluted with water to a pure content of 20% •
- PAS Polyacrylic acid Na salt, Aquaric DL-40 (Nippon Shokubai Co., Ltd.) 40% pure solution
- PAP Polyaspartic acid sodium, Baypure DS 100/40% (manufactured by Bayer, pure 40% aqueous solution)
- PEG # 6000 polyethylene glycol manufactured by Lion Corporation, trade name PEG
- Myristic acid Myristic acid, manufactured by Shin Nippon Rika Co., Ltd., melting point 52 ° C
- Palmitic acid Nippon Rika Co., Ltd., palmitic acid P, melting point 58 ° C
- A-type zeolite Shilton B (manufactured by Mizusawa Chemical Co., Ltd., 80% pure)
- LAS-K Linear alkyl (10-14 carbon atoms) benzenesulfonic acid (Lipo> LH-200 (Lion Co., Ltd.) LAS-H pure content 96%) was added to 48% water at the time of preparing the surfactant composition. Neutralize with potassium oxide solution).
- the blending amounts in Table 5 indicate mass% as LASK.
- LAS-Na linear alkyl (10-14 carbon atoms) Benzenesulfonic acid (Lybon LH-200 (LAS-H pure content 96%) manufactured by Lion Co., Ltd.) was added to 48% water at the time of preparing the surfactant composition. Neutralize with aqueous sodium oxide).
- the blending amounts in Table 5 indicate mass% as LAS-Na.
- AOS—K having an alkyl group with 14 to 18 carbon atoms—potassium olefin sulfonate (manufactured by Lion Corporation)
- AOS—Na powdered sodium alpha-leufine sulfonate having 14 carbon atoms (trade name: Lipolan P J-400, manufactured by Lion Corporation)
- AS—Na Sodium alkyl sulfate having an alkyl group with 10 to 18 carbon atoms (Sandet LNM manufactured by Sanyo Chemical Industries, Ltd.)
- Nonionic surfactant A Oxidized styrene averaged 8 mol adduct of Diadol 13 (manufactured by Mitsubishi Chemical Corporation) (90% pure content)
- Nonionic surfactant B ECOROL 26 (alcohol with alkyl group having 12 to 16 carbon atoms, manufactured by E COGRE EN), average 15 mol ethylene oxide adduct (90% pure)
- Dye B Pigment Green 7 (Dainichi Seika Kogyo Co., Ltd.)
- Dye C Acrylonitrile / styrene / acrylic acid as the constituent monomer.
- Spherical resin particles with an average particle diameter of 0.35 xm obtained by radical emulsion polymerization in a water dispersion system.
- BAS IC RED-1 is an aqueous dispersion of a pink fluorescent pigment obtained by adding the polymerized resin suspension to a suspension and subjecting it to heat treatment.
- Perfume A Perfume composition A shown in JP-A-2002-146399 [Table 11] to [Table 18]
- Fragrance C Fragrance composition C shown in JP-A-2002-146399 [Table 11] to [Table 18]
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Abstract
Description
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JP2005505805A JP4753021B2 (ja) | 2003-04-24 | 2004-04-23 | 表面処理水溶性無機化合物粒子及びその製造方法、並びに粒状洗剤組成物 |
KR1020057019167A KR101102273B1 (ko) | 2003-04-24 | 2004-04-23 | 표면처리 수용성 무기 화합물 입자 및 그 제조방법, 및입상 세제 조성물 |
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Cited By (7)
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JPWO2006003988A1 (ja) * | 2004-06-30 | 2008-04-17 | ライオン株式会社 | 高嵩密度粒状洗剤組成物及びその製造方法 |
JP2008545841A (ja) * | 2005-06-02 | 2008-12-18 | ノボザイムス アクティーゼルスカブ | 不活性粒子及び活性粒子のブレンド |
WO2011129432A1 (ja) * | 2010-04-16 | 2011-10-20 | ライオン株式会社 | 粒状洗剤組成物 |
JP2014005367A (ja) * | 2012-06-25 | 2014-01-16 | Lion Corp | 粒状洗浄剤 |
JP2016069394A (ja) * | 2014-09-26 | 2016-05-09 | ライオン株式会社 | 粒状洗剤及びその製造方法並びに洗剤製品 |
JP2016523803A (ja) * | 2013-06-26 | 2016-08-12 | ソルヴェイ(ソシエテ アノニム) | アルカリ金属重炭酸塩粒子の製造方法 |
JP2022106336A (ja) * | 2021-01-07 | 2022-07-20 | 花王株式会社 | 粒状洗剤組成物 |
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JP2000505834A (ja) * | 1996-07-23 | 2000-05-16 | ザ、プロクター、エンド、ギャンブル、カンパニー | 保護コーティングを有する洗剤成分または組成物 |
JP2001081498A (ja) * | 1999-09-14 | 2001-03-27 | Lion Corp | 粒状洗剤組成物およびその製造方法 |
JP2002266000A (ja) * | 2001-03-12 | 2002-09-18 | Lion Corp | 高嵩密度洗剤組成物及びその製造方法 |
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DE19704634A1 (de) * | 1997-02-07 | 1998-08-27 | Henkel Kgaa | pH-gesteuerte Freisetzung von Waschmittelkomponenten |
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2004
- 2004-04-23 KR KR1020057019167A patent/KR101102273B1/ko not_active Expired - Lifetime
- 2004-04-23 MY MYPI20041491A patent/MY146571A/en unknown
- 2004-04-23 JP JP2005505805A patent/JP4753021B2/ja not_active Expired - Fee Related
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JP2000505834A (ja) * | 1996-07-23 | 2000-05-16 | ザ、プロクター、エンド、ギャンブル、カンパニー | 保護コーティングを有する洗剤成分または組成物 |
JP2001081498A (ja) * | 1999-09-14 | 2001-03-27 | Lion Corp | 粒状洗剤組成物およびその製造方法 |
JP2002266000A (ja) * | 2001-03-12 | 2002-09-18 | Lion Corp | 高嵩密度洗剤組成物及びその製造方法 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2006003988A1 (ja) * | 2004-06-30 | 2008-04-17 | ライオン株式会社 | 高嵩密度粒状洗剤組成物及びその製造方法 |
JP2008545841A (ja) * | 2005-06-02 | 2008-12-18 | ノボザイムス アクティーゼルスカブ | 不活性粒子及び活性粒子のブレンド |
WO2011129432A1 (ja) * | 2010-04-16 | 2011-10-20 | ライオン株式会社 | 粒状洗剤組成物 |
JP5758380B2 (ja) * | 2010-04-16 | 2015-08-05 | ライオン株式会社 | 粒状洗剤組成物 |
JP2014005367A (ja) * | 2012-06-25 | 2014-01-16 | Lion Corp | 粒状洗浄剤 |
JP2016523803A (ja) * | 2013-06-26 | 2016-08-12 | ソルヴェイ(ソシエテ アノニム) | アルカリ金属重炭酸塩粒子の製造方法 |
US10308517B2 (en) * | 2013-06-26 | 2019-06-04 | Solvay Sa | Method for preparing alkali metal bicarbonate particles |
JP2019206474A (ja) * | 2013-06-26 | 2019-12-05 | ソルヴェイ(ソシエテ アノニム) | アルカリ金属重炭酸塩粒子の製造方法 |
JP2016069394A (ja) * | 2014-09-26 | 2016-05-09 | ライオン株式会社 | 粒状洗剤及びその製造方法並びに洗剤製品 |
JP2022106336A (ja) * | 2021-01-07 | 2022-07-20 | 花王株式会社 | 粒状洗剤組成物 |
JP7368399B2 (ja) | 2021-01-07 | 2023-10-24 | 花王株式会社 | 粒状洗剤組成物 |
Also Published As
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MY146571A (en) | 2012-08-30 |
JPWO2004094313A1 (ja) | 2006-07-13 |
KR101102273B1 (ko) | 2012-01-03 |
KR20060006915A (ko) | 2006-01-20 |
JP4753021B2 (ja) | 2011-08-17 |
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