Classifications

• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/37—Mixtures of compounds all of which are anionic
• • 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/046—Salts
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/06—Phosphates, including polyphosphates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/08—Silicates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/10—Carbonates ; Bicarbonates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/12—Water-insoluble compounds
  • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
  • C11D3/1246—Silicates, e.g. diatomaceous earth
  • C11D3/128—Aluminium silicates, e.g. zeolites
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
  • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds

Definitions

• the present invention relates to a powder detergent composition for clothing.
• a conventional powder detergent composition for clothes used for washing contains about 10 to 30% of a polyvalent metal ion-trapping builder as a washing auxiliary component together with about 12 to 40% of a surfactant as a main component.
• a polyvalent metal ion capture builder those selected from inorganic compounds such as aluminosilicates, crystalline silicates and phosphates, and organic compounds such as carboxylic acid polymer compounds are used. Many have high environmental impact.
• compositions of International Publication No. 2004/041982, International Publication No. 2011/005904, International Publication No. 2011/005623 are known.
• the basic performance such as bubble breakage is not satisfactory.
• washing machine washing there are two types of washing methods: hand washing and washing machine washing.
• hand washing In recent years, there has been a tendency for washing machine washing to increase due to the widespread use of washing machines, but there are still many needs for hand-washing washing from the viewpoint of stain removal and economic efficiency.
• hand washing is often employed so that washing can be performed with as little water as possible in regions where water resources are small in the world.
• Japanese Patent Laid-Open No. 2011-89107 discloses a cleaning composition containing a nonionic surfactant, a specific anionic surfactant, and a fatty acid having 8 to 18 carbon atoms or a salt thereof under specific conditions.
• the detergent composition is excellent in foaming property, and the foam disappears quickly in the rinsing step, and the rinsing is completed quickly.
• JP-A-62-230900 discloses a detergent composition for controlling foaming and turbidity during a rinsing cycle, comprising a surfactant, a soluble detergency builder, a fatty acid soap, a quaternary ammonium salt, and a silicone fluid defoamer.
• a surfactant for controlling foaming and turbidity during a rinsing cycle
• a soluble detergency builder e.g., a fatty acid soap, a quaternary ammonium salt, and a silicone fluid defoamer.
• WO 98/20105 includes surfactants, carbonate and sulfate mixtures, silicates, polycarboxylates, PEG and granules substantially free of aluminosilicates and phosphates.
• a detergent composition is disclosed.
• US-A 2011/0005001 discloses a detergent composition
• an anionic surfactant which may comprise a linear alkylbenzene sulfonate and an alkyl sulfate. Summary of invention
• a surfactant comprising (A) (A-1) a linear alkylbenzene sulfonate [hereinafter referred to as component (A-1)] and (A-2) an alkyl sulfate [hereinafter referred to as component (A-2)] [Hereinafter referred to as component (A)] 5 to 40% by mass, (B) a compound selected from carbonate and amorphous silicate [hereinafter referred to as component (B)], (C) a compound selected from sulfates and metal chlorides (hereinafter referred to as component (C)), and (D) (D-1) one or more selected from aluminosilicates, crystalline silicates and phosphates Inorganic polyvalent metal ion capture builder 0 to 9% by mass, (D-2) 0 to 4% by mass of polyvalent metal ion capture builder selected from carboxylic acid polymer compounds [However, (D-1) and (D The total content of -2) is 0
• the total mass of the components (A-1) and (A-2) in the component (A) is 85% by mass or more,
• the mass ratio of the component (A-1) and the component (A-2) [component (A-1) / component (A-2)] is 3/7 to 6.5 / 3.5,
• Ratio of the total mass of the components (A-1) and (A-2) to the total mass of the components (B) and (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]] is 1/10 to 1/1
• the ratio of the total mass of the component (A-1) and the component (A-2) to the mass of the component (B) [[(A-1) component + (A-2) component] / (B) component] 1/3-2/1
• the ratio of the total mass of component (A-1) and component (A-2) to the mass of component (C) [[(A-1) component + (A-2) component] / (C) component] 1/8 to 2/1,
• this invention relates to the hand-washing washing method which wash-washes the to-be-washed
• the present invention reduces the polyvalent metal ion capture builder (hereinafter also referred to as environmentally high load polyvalent metal ion capture builder) that has a high environmental load, and can maintain the cleaning power during cleaning and has a foaming property.
• a powder detergent composition for clothing that is excellent, and in which the foam disappears quickly in the rinsing step, and the rinsing is completed quickly.
• the cleaning power during cleaning can be maintained, the foaming property is excellent, the foam disappears quickly in the rinsing process, and the rinsing is quick.
• a garment powder detergent composition is provided. Such effects of the present invention can be obtained even when washing and rinsing with high-hardness washing water.
• Component (A) of the present invention is a surfactant and contains at least a linear alkylbenzene sulfonate of component (A-1) and an alkyl sulfate of component (A-2).
• the component (A-1) of the present invention is a linear alkylbenzene sulfonate. Those having an alkyl group having 10 to 15 carbon atoms are preferred from the viewpoints of cleaning performance and foamability.
• Examples of the salt constituting the component (A-1) include alkali metal salts such as sodium and potassium, alkanolamine salts, and alkaline earth metal salts such as magnesium and calcium. From the viewpoint of safety, an alkali metal salt is preferable, and sodium is more preferable.
• the component (A-2) of the present invention is an alkyl sulfate, and the alkyl group preferably has 10 to 16 carbon atoms, more preferably 12 to 16 carbon atoms.
• the component (A-2) is preferably an alkyl sulfate in which the proportion of linear alkyl groups having 12 to 16 carbon atoms in all alkyl groups is 50% by mass or more. From the viewpoint of reducing environmental burden by using reproducible raw materials, the proportion of linear alkyl groups in all alkyl groups is preferably 50% by mass or more, more preferably 70% by mass or more, and more preferably 90% by mass or more. More preferably, 99% by mass or more is particularly preferable, and 100% by mass, that is, it is most preferable that the component (A-2) is a linear alkyl sulfate.
• Examples of the salt constituting the component (A-2) include alkali metal salts such as sodium and potassium, alkanolamine salts, and alkaline earth metal salts such as magnesium and calcium. From the viewpoint of safety, an alkali metal salt is preferable, and sodium is more preferable.
• nonionic surfactants are preferred, and polyoxyalkylene alkyl ethers (alkyl group carbon number: 10 to 15, average number of added moles of alkylene oxide, preferably ethylene oxide: 2 to 10, preferably 4 to 8) are more preferred. preferable.
• Nonionic surfactants include polyoxyalkylene alkyl ethers (carbon number of alkyl group: 10 to 15, average added mole number of alkylene oxide, preferably ethylene oxide: 2 or more, further 4 or more, and 10 or less, further 8 or less. ) Is preferred.
• the powder detergent composition for clothing of the present invention preferably contains 2% by mass or less of nonionic surfactant, more preferably 1.5% by mass or less, more preferably 1% by mass from the viewpoint of improving detergency.
• it is more preferably 0.5% by mass or less, more preferably 0.3% by mass or less, more preferably 0.1% by mass or less, and more preferably 0% by mass.
• the content of the cationic surfactant is preferably 0.5% by mass or less, more preferably 0.3% by mass or less, and more preferably 0.1% by mass in the composition from the viewpoint of suppressing a reduction in detergency.
• the following is more preferable, and most preferably 0% by mass, that is, not containing.
• the content of a cationic surfactant selected from a long-chain alkyl quaternary ammonium salt and a di-long-chain alkyl quaternary ammonium salt, and more preferably a mono-long-chain alkyl quaternary ammonium salt content is reduced in detergency.
• 0.5% by mass or less is preferable, 0.3% by mass or less is more preferable, 0.1% by mass or less is more preferable, and 0% by mass, that is, most not contained. preferable.
• the component (B) of the present invention is a compound selected from carbonates and amorphous silicates.
• the component (B) is preferably a water-soluble alkali inorganic salt.
• water-soluble means that 1 g or more is dissolved in 100 g of water at 20 ° C.
• melt dissolves 5g or more in 100g of water at 20 degreeC, and also 10g or more is preferable.
• the 1 type (s) or 2 or more types chosen from an alkali metal carbonate, an alkali metal hydrogencarbonate, an alkali metal percarbonate, and an amorphous alkali metal silicate can be mentioned.
• the carbonate is preferably one or more selected from alkali metal carbonates, alkali metal hydrogen carbonates, and alkali metal percarbonates, and alkali metal carbonates. And one or more selected from alkali metal hydrogen carbonates are more preferable, and alkali metal carbonates are more preferable.
• the percarbonate is contained as the component (B)
• the ratio of the percarbonate is 0.1 to 30% by mass, further 0.5 to 20% by mass, and further 1 to 10% by mass in the component (B). % Is preferred.
• the component (B) contains at least a carbonate, and more preferably a carbonate and an amorphous silicate are used in combination.
• the carbonate is preferably one or more selected from alkali metal carbonates and alkali metal hydrogen carbonates, and more preferably alkali metal carbonates. More specifically, one or more selected from sodium carbonate, potassium carbonate, sodium hydrogen carbonate, and potassium hydrogen carbonate can be mentioned, and sodium carbonate is preferable.
• the mass ratio of carbonate to amorphous silicate [carbonate / amorphous silicate] is 2 or more, further 2.5 or more, and further 3 More preferably, it is 3.5 or more, more preferably 4 or more, and 20 or less, further 15 or less, and further preferably 10 or less.
• Component (C) of the present invention is a compound selected from sulfates and metal chlorides.
• the component (C) is preferably a water-soluble neutral inorganic salt.
• water-soluble means that 1 g or more is dissolved in 100 g of water at 20 ° C.
• melt dissolves 5g or more in 100g of water at 20 degreeC, and also 10g or more is preferable.
• (C) As a component, 1 type, or 2 or more types chosen from sodium sulfate, potassium sulfate, sodium chloride, and potassium chloride are mentioned, Sodium sulfate and / or chloride from a viewpoint of washing performance, foamability, and defoaming property Sodium is preferable, and sodium sulfate is preferable from the viewpoint of cleaning performance.
• the component (D) of the present invention comprises (D-1) an inorganic polyvalent metal ion trapping builder [component (D-1)] selected from aluminosilicates, crystalline silicates and phosphates and (D-2) ) Organic polyvalent metal ion capture builder [(D-2) component] selected from carboxylic acid polymer compounds.
• these compounds are known to be blended as environmentally high load polyvalent metal ion scavengers in powder detergent compositions for clothing.
• the component (D) can be contained preferably in combination with a plurality of components (D), but the content is limited. Furthermore, even if it does not contain the component (D), it is possible for a person skilled in the art to recognize the advantageous effects of the present invention remarkably by improving the foaming property and the foam disappearance property while maintaining a good detergency. .
• Aluminosilicates include crystalline or amorphous aluminosilicates, natural zeolites such as chabazite, varinite, erionite, faujasite, clinoptilolite, A-type zeolite, X-type zeolite, Y-type zeolite, L Synthetic zeolites such as type zeolite, omega type zeolite, P type zeolite, and MAP type zeolite.
• Examples of the crystalline silicate include alkali metal silicate SiO 2 / M 2 O (where M represents an alkali metal atom) in a molar ratio of 0.5 to 2.6. .
• Examples of the phosphate include orthophosphate, metaphosphate, trimetaphosphate, pyrophosphate, and tripolyphosphate.
• Examples of the salt include alkali metal salts such as sodium salt and potassium salt.
• carboxylic acid polymer compound examples include a repeating unit derived from monoethylenically unsaturated mono and / or dicarboxylic acid, and further a weight average molecular weight of 1,000 to 150 including a repeating unit derived from acrylic acid and / or maleic acid.
• Such a polymer compound may be a salt such as an alkali metal salt such as a sodium salt or a potassium salt.
• polyacrylic acid and its salt, polymaleic acid and its salt or acrylic acid-maleic acid copolymer and its salt are mentioned. Of these, polyacrylic acid and salts thereof are preferable.
• the powder detergent composition for clothing of the present invention contains 5 to 40% by mass of the component (A).
• the content of the component (A) is preferably 8% by mass or more, more preferably 10% by mass or more, and further preferably 12% by mass or more.
• 35 mass% or less is preferable, as for content of (A) component, 30 mass% or less is more preferable, 25 mass% or less is more preferable, and 20 mass% or less is still more preferable.
• the content of the component (A) is preferably 8 to 35 mass% in the composition, more preferably 10 to 30 mass%. It is preferably 12 to 25% by mass, more preferably 12 to 20% by mass.
• the content of the component (A-1) is preferably 2% by mass or more, more preferably 3% by mass or more, and still more preferably 4% by mass or more in the composition.
• the content of the component (A-2) is preferably 2% by mass or more, more preferably 3% by mass or more, and further preferably 4% by mass or more.
• the total mass of the component (A-1) and the component (A-2) in the component (A) is 85% by mass or more, 90 mass% or more is more preferable, 92 mass% or more is more preferable, 95 mass% or more is further more preferable, 97 mass% or more is further more preferable, 99 mass% or more is further more preferable, and 100 mass% is still more preferable.
• the mass ratio of the component (A-1) and the component (A-2) [(A-1) component / (A-2) component] is 3/7 or more, 3.5 / 6 0.5 or more is preferable, 4/6 or more is more preferable, 4.5 / 5.5 or more is more preferable, 5/5 or more is more preferable, and from the viewpoint of cleaning performance and defoaming property, 6.5 / 3.5 or less is preferable, 6/4 or less is more preferable, and 5.5 / 4.5 or less is more preferable.
• the mass ratio is 3/7 to 6.5 / 3.5, preferably 3.5 / 6.5 to 6.5 / 3.5. 4/6 to 6.25 / 3.75 is more preferable, and 4/6 to 6/4 is more preferable.
• the total mass of the components (A-1) and (A-2) and the total mass of the components (B) and (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]] is 1/10 to 1/1, and 1/8 to 1/2. Is preferable, and 1/7 to 1/4 is more preferable.
• the ratio of [(A-1) component + (A-2) component] to [(B) component + (C) component] is 1/1 or less from the viewpoint of cleaning performance and foaming performance. .
• the ratio of the total mass of the components (A-1) and (A-2) to the total mass of the components (B) and (C) [[(A-1) component + (A ⁇ 2) component] / [(B) component + (C) component]]] is 1/10 or more, more preferably 1/8 or more, 1/7 or more, and 1/1 or less, and further 1 / 2 or less, more preferably 1/4 or less.
• the content of the component (B) in the powder detergent composition for clothing of the present invention is preferably 10% by mass or more, more preferably 15% by mass or more, from the viewpoints of cleaning performance, foaming properties and antifoaming properties, and 45 % By mass or less is preferable, 40% by mass or less is more preferable, and 35% by mass or less is more preferable. Further, the powder detergent composition for clothing of the present invention preferably contains 10 to 40% by mass of the component (B), and more preferably 15 to 35% by mass from the viewpoints of cleaning performance, foaming properties and antifoaming properties. .
• the ratio of the total mass of the components (A-1) and (A-2) to the mass of the component (B) [[(A-1) component + ( A-2) component] / (B) component] is 1/3 or more, further 1 / 2.8 or more, further 1 / 2.6 or more, further 1 / 2.4 or more, further 1 / 2.2 Above, more preferably 1/2 or more, and 2/1 or less, 1.9 / 1 or less, further 1.8 / 1 or less, further 1.7 / 1 or less, further 1.5 / 1 or less, Furthermore, 1/1 or less is preferable.
• this mass ratio is 1/3 to 2/1, preferably 1 / 2.8 to 1.9 / 1, and preferably 1 / 2.6 to 1.8 / 1 is preferable, 1 / 2.4-1.7 / 1 is more preferable, 1 / 2.4-1.5 / 1 is more preferable, and 1 / 2.4-1-1 is more preferable.
• the powder detergent composition for clothing of the present invention preferably contains 10 to 80% by mass of the component (C).
• the content is preferably 20% by mass or more, more preferably 30% by mass or less, more preferably 70% by mass or less, and more preferably 60% by mass or less from the viewpoints of cleaning performance, foaming property, and defoaming property. preferable.
• the ratio of the total mass of the components (A-1) and (A-2) to the mass of the component (C) [[(A-1) component + ( A-2) Component] / (C) Component] is 1/8 to 2/1, preferably 1/7 to 1.5 / 1, more preferably 1/6 to 1/1, and 1/4 to 1/2 is more preferable.
• This mass ratio is 2/1 or less from the viewpoints of cleaning performance and foaming performance, particularly from the viewpoint of rinsing properties, more preferably 1.5 / 1 or less, further 1/1 or less, and further preferably 1/2 or less.
• the mass ratio is 1/8 or more, more preferably 1/7 or more, further 1/6 or more, and more preferably 1/4 or more.
• the mass ratio of the component (B) and the component (C) is 1/100 to 100 / 1 is preferable, 5/100 to 100/20 is more preferable, 10/100 to 100/50 is still more preferable, and 20/100 to 100/70 is still more preferable.
• the mass ratio is preferably 1/100 or more, more preferably 5/100 or more, more preferably 10/100 or more, and further preferably 20/100 or more, and is 100/1 or less, more preferably 100/20 or less, and further 100. / 50 or less, more preferably 100/70 or less.
• the content and ratio of the component (A-1), the component (A-2), the component (B), and the component (C) are in a specific range, so that a relatively large amount has been conventionally blended. It is possible to reduce the amount of the environmentally high load polyvalent metal ion capture builder.
• the content of the component (D-1) is 0 to 9% by mass in the composition, preferably 7% by mass or less, more preferably 5% by mass or less, and more preferably 4% by mass. % Or less is more preferable, 3 mass% or less is more preferable, 1 mass% or less is more preferable, and 0 mass% is still more preferable.
• the content of the phosphate is preferably 7% by mass or less, more preferably 5% by mass or less, more preferably 3% by mass or less, more preferably 2% by mass or less, and preferably 1% by mass or less in the composition. More preferred is 0% by mass.
• the content of the component (D-2) is 0 to 4% by mass in the composition, preferably 3% by mass or less, more preferably 2% by mass or less, and more preferably 1.5% by mass or less. 1 mass% or less is more preferable, and 0 mass% is still more preferable.
• the total content of (D-1) and (D-2) is 0 to 9% by mass in the composition, preferably 5% by mass or less, more preferably 4% by mass or less, and 3% by mass or less. Is more preferable, 2 mass% or less is more preferable, 1 mass% or less is more preferable, and 0 mass% is still more preferable.
• the composition of the present invention includes a bleaching agent (perborate, bleach activator, etc.) known in the detergent field, a recontamination inhibitor, a softening agent (bentonite, etc.), a reducing agent (sulfite, etc.), An optical brightener, an antifoaming agent (silicone, etc.), a fragrance, an enzyme (cellulase, protease, peptinase, lipase, dextranase, amylase, etc.), a colorant and the like can be contained.
• a bleaching agent perborate, bleach activator, etc.
• a recontamination inhibitor e.g., a recontamination inhibitor, a softening agent (bentonite, etc.), a reducing agent (sulfite, etc.), An optical brightener, an antifoaming agent (silicone, etc.), a fragrance, an enzyme (cellulase, protease, pep
• the content of silicone is preferably 0.1% by mass or less, more preferably 0.05% by mass or less, and 0% by mass, ie, not contained, in the composition from the viewpoint of foaming properties during washing. Is most preferred.
• the water content in the composition is preferably 0.5 to 10% by mass, and preferably 1 to 8% by mass. % Is more preferable, and 1 to 6% by mass is still more preferable.
• the moisture in the composition is preferably 0.5% by mass or more, more preferably 1% by mass or more, and 10% by mass or less, and further 8% by mass. % Or less, and more preferably 6% by mass or less.
• the composition of the present invention preferably has an apparent density (apparent density measured by a method defined by JIS K 3362: 2008) of 1,600 g / L or less, and 1,300 g / L. Or less, more preferably 1,000 g / L or less.
• the apparent density is preferably 300 g / L or more, more preferably 350 g / L or more, and 400 g / L. It is still more preferable that it is above.
• the composition of the present invention has an average particle size of 150 to 1,000 ⁇ m determined from the mass fraction according to the size of the sieve mesh after being shaken for 5 minutes using a standard sieve of JIS Z 8801.
• the thickness is preferably 150 to 800 ⁇ m, more preferably 180 to 600 ⁇ m.
• the composition of the present invention is oscillated for 5 minutes using a standard sieve of JIS Z 8801, and then the average particle size determined from the mass fraction according to the size of the sieve mesh is 150 ⁇ m or more and 180 ⁇ m or more. It is preferably 1,000 ⁇ m or less, more preferably 800 ⁇ m or less, and further preferably 600 ⁇ m or less.
• the composition of the present invention preferably has a pH of a 0.1% by weight aqueous solution measured at 20 ° C. described in JIS K 3362: 2008 of 8 or more, more preferably 9 or more, in terms of cleaning performance. It is further preferably 9.5 or more, more preferably 10 or more, and preferably 12 or less, more preferably 11.5 or less, and even more preferably 11 or less.
• the pH of the composition of the present invention is preferably 8 to 12, more preferably 9 to 11.5, and more preferably 9.5 to 11 in terms of cleaning performance and low damage to clothing. Is more preferable, and 10 to 11 is particularly preferable.
• composition of the present invention is preferably subjected to surface modification with a surface coating agent in terms of fluidity and non-caking property.
• composition of the present invention can be produced by a known method.
• spray drying method dry neutralization method, dry granulation method, dry blend method, fluidized bed drying method, thin film drying method, extrusion granulation method, rolling granulation method, stirring granulation method, compaction granulation method
• the surfactant can be produced by applying a method for supporting a surfactant or a method selected and combined from these.
• the present invention relates to a hand-washing washing method for hand-washing an object to be washed that has been brought into contact with washing water containing the powder detergent composition for clothing of the present invention.
• a hand-washing washing method using the powder detergent composition for clothes of the present invention a wash prepared from the powder detergent composition for clothes of the present invention is applied to clothes (which may include fabrics and other textile products) to be cleaned.
• clothes which may include fabrics and other textile products
• washing water containing the composition of the present invention and water is used.
• a mixture obtained by mixing at a mass ratio of 1/2000 or more and 10/1 or less, and further 1/1 or less is preferable.
• the mass of washing water with respect to the mass of clothing (objects to be cleaned) is preferably 2 to 100 times, more preferably 3 to 50 times, and particularly preferably 5 to 25 times.
• the mass of the washing water relative to the mass of the clothing (object to be washed) is preferably 2 times or more, more preferably 3 times or more, and further preferably 5 times or more, and 100 times or less, further 50 times or less, and further preferably 25 times or less. . It is visually preferable that the clothes brought into contact with the washing water according to the present invention are thoroughly rubbed by hand because not only a good detergency is obtained but also rich foaming. After hand-washing such as rubbing, remove clothing (objects to be washed) from the washing water, squeeze out and drain the water using a dehydrator, and immerse it again in fresh water (hereinafter referred to as rinsing water).
• the rinsing water may be either water stored in a basin or running water.
• the mass of the rinsing water relative to the object to be cleaned is preferably 2 to 1,000 times, more preferably 5 to 500 times, and particularly preferably 10 to 100 times based on the total amount of rinsing water used for rinsing.
• the mass of the rinsing water with respect to the object to be cleaned is preferably 2 times or more, more preferably 5 times or more, and further preferably 10 times or more based on the total amount of rinsing water used for rinsing, and 1,000 times or less, and further 500 times.
• it is preferably 100 times or less.
• the hand-washing washing method of the present invention includes a step of washing the article to be washed in contact with washing water containing the powder detergent composition for clothing of the present invention and water, and a step of rinsing the article to be washed with water. It is preferable to have.
• the hardness of water used for the preparation of washing water and / or the hardness of water used for rinsing is preferably 1 ° DH to 50 ° DH, more preferably 2 ° DH to 50 ° DH, more preferably 3 ° DH to 50 ° DH, more preferably 5 ° DH to 50 ° DH, more preferably 8 ° DH to 50 ° DH, more preferably 10 ° DH to 50 ° DH.
• the hardness of water used for the preparation of washing water and / or the hardness of water used for rinsing is 1 ° DH or higher, further 2 ° DH or higher, further 3 ° DH or higher, further 5 ° DH or higher, 10 ° DH or more is preferable, and 50 ° DH or less is preferable.
• a surfactant comprising (A) (A-1) a linear alkylbenzene sulfonate [hereinafter referred to as component (A-1)] and (A-2) an alkyl sulfate [hereinafter referred to as component (A-2)] [Hereinafter referred to as component (A)] 5% by mass or more and 40% by mass or less, (B) a compound selected from carbonate and amorphous silicate [hereinafter referred to as component (B)], (C) a compound selected from sulfates and metal chlorides (hereinafter referred to as component (C)), and (D) (D-1) one or more selected from aluminosilicates, crystalline silicates and phosphates Inorganic polyvalent metal ion capture builder 0-9 mass%, (D-2) organic polyvalent metal ion capture builder 0-4 mass% selected from carboxylic acid polymer compounds [
• the total mass of the components (A-1) and (A-2) in the component (A) is 85% by mass or more,
• the mass ratio of the component (A-1) and the component (A-2) [(A-1) component / (A-2) component] is 3/7 or more, 6.5 / 3.5 or less,
• Ratio of the total mass of the components (A-1) and (A-2) to the total mass of the components (B) and (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]] is 1/10 or more, 1/1 or less,
• the ratio of the total mass of the component (A-1) and the component (A-2) to the mass of the component (B) [[(A-1) component + (A-2) component] / (B) component] 1/3 or more, 2/1 or less
• the component (A) is contained in an amount of 8% by mass or more, further 10% by mass or more, 12% by mass or more, 35% by mass or less, further 30% by mass or less, and further 25% by mass or less.
• the powder detergent composition for clothing as described.
• ⁇ 4> The powder detergent composition for clothing according to any one of ⁇ 1> to ⁇ 3>, wherein the component (C) is sodium sulfate and / or sodium chloride.
• ⁇ 6> The powder detergent composition for clothing according to any one of ⁇ 1> to ⁇ 5>, containing (D-2) in an amount of 0 to 3% by mass, further 0 to 1% by mass, and further 0% by mass.
• the total content of (D-1) and (D-2) is 0 to 7% by mass, further 0 to 5% by mass, further 0 to 4% by mass, further 0 to 3% by mass, and further 0 to 2%.
• the powder detergent composition for clothing according to any one of ⁇ 1> to ⁇ 6>, wherein the composition is 0% by mass, and further 0% by mass.
• Mass ratio of (A-1) component and (A-2) component [(A-1) component / (A-2) component] is 4/6 or more and 6.5 / 3.5 or less
• Mass ratio of the total mass of component (A-1) and component (A-2) and the total amount of component (B) and component (C) [[(A-1) component + (A-2) ⁇ Component> / [component (B) + component (C)]]] is 1/8 or more, further 1/7 or more, 1/2 or less, and further 1/4 or less, ⁇ 1> to ⁇ 8>
• a powder detergent composition for clothing according to any one of the above.
• the total mass of the component (A-1) and the component (A-2) in the component (A) is 90% by mass or more, further 95% by mass or more, 97% by mass or more, further 99% by mass or more,
• A-1) Surfactant containing linear alkylbenzene sulfonate and (A-2) alkyl sulfate 5 to 40% by mass, preferably 8 to 35% by mass, more preferably 10 to 30% by mass , More preferably 12-25% by mass
• B) a compound selected from carbonates and amorphous silicates, preferably sodium carbonate
• C) a compound selected from sulfate and metal chloride, preferably sodium sulfate and / or sodium chloride
• D (D-1) one kind selected from aluminosilicate, crystalline silicate and phosphate
• the above inorganic polyvalent metal ion capture builder 0 to 9% by mass, preferably 0 to 5% by mass, more preferably 0 to 3% by mass, more preferably 0% by mass
• Organic polyvalent metal ion capture builder selected from 0 to 4% by mass, preferably 0 to 3% by mass,
• the total mass of the components (A-1) and (A-2) in the component (A) is 85% by mass or more, preferably 90% by mass or more, more preferably 95% by mass or more, more preferably 97% by mass or more. , More preferably 99% by mass or more, still more preferably 100% by mass,
• the mass ratio of the component (A-1) and the component (A-2) [(A-1) component / (A-2) component] is 3/7 to 6.5 / 3.5, preferably 4/6 to 6/4
• Mass ratio of the total mass of component (A-1) and component (A-2) and the total amount of component (B) and component (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]] is 1/10 to 1/1, preferably 1/8 to 1/2, more preferably 1/7 to 1/4.
• the total mass of the component (A-1) and the component (A-2) and the mass ratio of the component (B) [[(A-1) component + (A-2) component] / (B) component] is 1 / 3 to 2/1, preferably 1 / 2.8 to 1.8 / 1, more preferably 1 / 2.6 to 1.5 / 1, more preferably 1 / 2.4 to 1/1.
• the total mass of the component (A-1) and the component (A-2) and the mass ratio of the component (C) [[(A-1) component + (A-2) component] / (C) component] is 1 /
• a powder detergent composition for clothing which is 8 to 2/1, preferably 1/7 to 1.5 / 1, more preferably 1/6 to 1/1, more preferably 1/4 to 1/2.
• the proportion of linear alkyl groups having 12 to 15 carbon atoms in all alkyl groups is 50% by mass or more, preferably 70% by mass or more, more preferably 90% by mass or more.
• the component (A) other than the components (A-1) and (A-2) is a polyoxyalkylene alkyl ether (the number of carbon atoms of the alkyl group: 10 to 15, an average addition mole of alkylene oxide, preferably ethylene oxide)
• the powder detergent composition for clothing according to any one of ⁇ 1> to ⁇ 14>, wherein the number is 2 to 10, preferably 4 to 8.
• the content of the cationic surfactant in the composition is 0.5% by mass or less, further 0.3% by mass or less, further 0.1% by mass or less, and 0% by mass.
• the mass ratio of the (B) component and the (C) component [(B) component / (C) component] is 1/100 or more, further 5/100 or more, further 10/100 or more, and further 20/100 or more.
• ⁇ 18> The content described in any one of ⁇ 1> to ⁇ 17>, wherein the silicone content is 0.1% by mass or less, further 0.05% by mass or less, and 0% by mass in the composition.
• Moisture in the composition (according to the superheat loss method described in JIS K 3362: 2008) is 0.5% by mass or more, further 1% by mass or more, and 10% by mass or less, further 8% by mass or less,
• ⁇ 20> pH of 0.1 mass% aqueous solution measured at 20 ° C. described in JIS K 3362: 2008 is 8 or more, further 9 or more, further 9.5 or more, further 10 or more, and 12 or less, and further 11
• a hand-washing washing method in which an object to be washed brought into contact with washing water containing the powder detergent composition for clothing according to any one of ⁇ 1> to ⁇ 20> is hand-washed.
• Washing water contains the composition and water, and the object to be washed by hand is rinsed with water, and the hardness of water used for cleaning preparation and / or the hardness of water used for rinsing is 1 °.
• the hardness of water used for the preparation of washing water and / or the hardness of water used for rinsing is preferably 1 ° DH or more, further 2 ° DH or more, further 3 ° DH or more, further 5 ° DH or more, further 10 ° DH or more.
• the hand-washing washing method according to the above ⁇ 21> or ⁇ 22> which is 50 ° DH or less.
• a surfactant comprising (A) (A-1) a linear alkylbenzene sulfonate [hereinafter referred to as component (A-1)] and (A-2) an alkyl sulfate [hereinafter referred to as component (A-2)] [Hereinafter referred to as component (A)] 5% by mass or more and 40% by mass or less, (B) a compound selected from carbonate and amorphous silicate [hereinafter referred to as component (B)], (C) a compound selected from sulfates and metal chlorides (hereinafter referred to as component (C)), and (D) (D-1) one or more selected from aluminosilicates, crystalline silicates and phosphates 0-9 mass% of inorganic polyvalent metal ion capture builder and (D-2) 0-4 mass% of organic polyvalent metal ion capture builder selected from carboxylic acid polymer compounds [where (D-1) and ( The total content of D-2)
• the total mass of the components (A-1) and (A-2) in the component (A) is 85% by mass or more,
• the mass ratio of the component (A-1) and the component (A-2) [(A-1) component / (A-2) component] is 3/7 or more, 6.5 / 3.5 or less,
• Ratio of the total mass of the components (A-1) and (A-2) to the total mass of the components (B) and (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]] is 1/10 or more, 1/1 or less,
• the ratio of the total mass of the component (A-1) and the component (A-2) to the mass of the component (B) [[(A-1) component + (A-2) component] / (B) component] 1/3 or more, 2/1 or less
• the proportion of linear alkyl groups having 12 to 15 carbon atoms in all alkyl groups is 50% by mass or more, preferably 70% by mass or more, more preferably 90% by mass or more, more preferably 99%.
• the component (A) other than the components (A-1) and (A-2) is a polyoxyalkylene alkyl ether (the number of carbon atoms of the alkyl group: 10 to 15, the average number of added moles of alkylene oxide: 2 to 10, preferably The powder detergent composition for clothing according to any one of ⁇ 1>, ⁇ 24> and ⁇ 25>, wherein ⁇ 27>
• the component (A) other than the component (A-1) and the component (A-2) is a sulfate ester salt, paraffin sulfonate, ⁇ -sulfo fatty acid alkyl ester salt, ⁇ -olefin sulfonate of an ethoxylated higher alcohol.
• anionic surfactants selected from fatty acid salts, polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene fatty acid esters, polyoxyalkylene alkyl ethers, polyoxyalkylene alkyl phenyl ethers, sucrose fatty acid esters, sorbitan fatty acid esters, fatty acid alkanols
• Nonionic surfactants selected from amides and alkylglycosides, cationic surfactants selected from mono- or dialkylamines and polyoxyethylene adducts thereof, and mono- or di-long alkyl quaternary ammonium salts, cal For clothing according to any one of ⁇ 1>, ⁇ 24>, ⁇ 25> and ⁇ 26>, which is one or more selected from amphoteric surfactants selected from bobetaine, sulfobetaine and hydroxysulfobetaine Powder detergent composition.
• component 8 mass% or more further 10 mass% or more, further 12 mass% or more, and 35 mass% or less, further 30 mass% or less, and further 25 mass% or less.
• ⁇ 25>, ⁇ 26> and ⁇ 27> The powder detergent composition for clothes according to any one of ⁇ 27>.
• ⁇ 29> B
• the component is sodium sulfate and / or sodium chloride A powder detergent composition for clothing.
• the component (D-2) has a weight average molecular weight of 1,000 to 150, including a repeating unit derived from monoethylenically unsaturated mono and / or dicarboxylic acid, more preferably a repeating unit derived from acrylic acid and / or maleic acid.
• any one of ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 28>, ⁇ 29>, ⁇ 30>, ⁇ 31> and ⁇ 32> The powder detergent composition for clothing as described.
• the total content of (D-1) and (D-2) is 0 to 7% by mass, more preferably 0 to 5% by mass, more preferably 0 to 4% by mass, further preferably 0 to 3% by mass, Preferably it is 0-2% by mass, more preferably 0% by mass, ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 28>, ⁇ 29>, ⁇ 30>, ⁇ 30 31>
• the powder detergent composition for clothes according to any one of ⁇ 32>, ⁇ 33>, ⁇ 34> and ⁇ 35>.
• the mass ratio of the component (A-1) and the component (A-2) [(A-1) component / (A-2) component] is 4/6 or more and 6.5 / 3.5 or less, ⁇ 1 >, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 28>, ⁇ 29>, ⁇ 30>, ⁇ 31>, ⁇ 32>, ⁇ 33>, ⁇ 34>, ⁇ 35> and ⁇ 36>
• the powder detergent composition for clothing according to any one of the above.
• Mass ratio of the total mass of component (A-1) and component (A-2) and the total amount of component (B) and component (C) [[(A-1) component + (A-2) component] / [(B) component + (C) component]]] is 1/8 or more, further 1/7 or more, and 1/2 or less, more preferably 1/4 or less, ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 28>, ⁇ 29>, ⁇ 30>, ⁇ 31>, ⁇ 32>, ⁇ 33>, ⁇ 34>, ⁇ 35>, ⁇ 36> and ⁇ 37>
• a powder detergent composition for clothing according to any one of the above.
• the total mass of the component (A-1) and the component (A-2) and the mass ratio of the component (B) [[(A-1) component + (A-2) component] / (B) component] is 1 / 5 or more, more preferably 1/3 or more, more preferably 1 / 2.8 or more, more preferably 1 / 2.6 or more, still more preferably 1 / 2.4 or more, more preferably 1 / 2.2 or more.
• the powder detergent composition for clothing according to any one of ⁇ 40>
• the total mass of the component (A-1) and the component (A-2) and the mass ratio of the component (C) [[(A-1) component + (A-2) component] / (C) component] Preferably it is 1/7 or more, more preferably 1/6 or more, more preferably 1/4 or more, and 1.5 / 1 or less, more preferably 1/1 or less, more preferably 1/2 or less.
• the powder detergent composition for clothing according to any one of ⁇ 39>.
• the total mass of the component (A-1) and the component (A-2) in the component (A) is 90% by mass or more, more preferably 95% by mass or more, further preferably 97% by mass or more, more preferably 99% by mass.
• the powder detergent composition for clothing according to any one of the above.
• the nonionic surfactant is 2% by mass or less, more preferably 1.5% by mass or less, more preferably 1% by mass or less, more preferably 0.5% by mass or less, more preferably 0.3% by mass or less, and more.
• ⁇ 43> ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 27>, wherein the cationic surfactant is a cationic surfactant selected from mono- or di-long alkyl quaternary ammonium salts 28>, ⁇ 29>, ⁇ 30>, ⁇ 31>, ⁇ 32>, ⁇ 33>, ⁇ 34>, ⁇ 35>, ⁇ 36>, ⁇ 37>, ⁇ 38>, ⁇ 39>, ⁇ 40> ⁇ 41> and ⁇ 42>
• the powder detergent composition for clothes according to any one of ⁇ 42>.
• the content of the cationic surfactant in the composition is 0.5% by mass or less, more preferably 0.3% by mass or less, further preferably 0.1% by mass or less, and preferably 0% by mass.
• the mass ratio of the component (B) and the component (C) [(B) component / (C) component] is 1/100 or more, more preferably 5/100 or more, more preferably 10/100 or more, and still more preferably 20 ⁇ 1>, ⁇ 24>, ⁇ 25> / 100 or more and 100/1 or less, more preferably 100/5 or less, more preferably 100/10 or less, and even more
• the powder detergent composition for clothing according to any one of the above.
• the silicone content in the composition is 0.1% by mass or less, more preferably 0.05% by mass or less, and preferably 0% by mass.
• the water content in the composition is 0.5 to 10% by mass, preferably 1 to 8% by mass, more preferably 1 to 6% by mass, or 0.5 ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26, which is not less than 10% by weight, more preferably not less than 1% by weight, and not more than 10% by weight, more preferably not more than 8% by weight, still more preferably not more than 6% by weight.
• JIS K 3362: 2008 is 8 to 12, or 8 or more, more preferably 9 or more, more preferably 9.5 or more, more preferably 10 ⁇ 1>, ⁇ 24>, ⁇ 25>, ⁇ 26>, ⁇ 27>, ⁇ 28>, ⁇ 28, more preferably 12 or less, more preferably 11.5 or less, and even more preferably 11 or less.
• the powder detergent composition for clothing according to any one of the above.
• ⁇ 50> ⁇ 49> The hand-washing washing method according to ⁇ 49>, wherein the hardness of water used for the preparation of washing water and / or the hardness of water used for rinsing is 1 ° DH to 50 ° DH.
• ⁇ 52> The hand-washing washing method according to any one of ⁇ 49>, ⁇ 50>, and ⁇ 51>, wherein the hardness of water used for the preparation of washing water and / or the hardness of water used for rinsing is 10 ° DH to 50 ° DH.
• LAS sodium dodecylbenzenesulfonate (manufactured by Kanto Chemical Co., Ltd., linear alkyl (carbon number 12) sodium benzenesulfonate)
• AS alkyl sulfate ester having 12 to 14 carbon atoms in the alkyl group (manufactured by Kao Corporation, Emar 10P, the proportion of linear alkyl groups in all alkyl groups is 98% by mass or more)
• Nonionic surfactant polyoxyalkylene alkyl ether obtained by adding an average of 6 moles of oxyethylene to a primary alcohol having an alkyl group with 12 to 14 carbon atoms (Kao Corporation, Emulgen 108)
• Cationic surfactant Trimethyl tallow alkyl ammonium chloride
• Sodium carbonate Dense ash (manufactured by Central Glass Co., Ltd.)
• Sodium bicarbonate Sodium bicarbonate (manufactured by Tos
• Sodium sulfate anhydrous neutral sodium sulfate (manufactured by Shikoku Chemicals Co., Ltd.)
• Sodium chloride manufactured by Wako Pure Chemical Industries, Ltd.
• -Sodium polyacrylate A 40 mass% sodium polyacrylate aqueous solution (manufactured by Kao Corporation, oligomer D, mass average molecular weight: 10,000) was used so that the effective content was the value in the table.
• Fluorescent dye (1) Chino Pearl CBS-X (manufactured by BASF Japan Ltd.)
• Fluorescent dye (2) Chino Pearl AMS-GX (manufactured by BASF Japan Ltd.)
• Sodium percarbonate KCPZ-S (Nippon Peroxide Co., Ltd.)
• Bleaching activator GA-10B (manufactured by Nitto Kasei Kogyo Co., Ltd.)
• Layered clay mineral Landrosil DGA212 (manufactured by Zude Chemi)
• Enzyme Protease granulated product (KAP, manufactured by Kao Corporation)
• Examples 1 to 19 and Comparative Examples 1 to 16 The detergent composition was manufactured in units of 5 kg using a Redige mixer (manufactured by Matsusaka Giken Co., Ltd., capacity 20 L). According to Tables 1 and 2, sodium carbonate, sodium sulfate, sodium bicarbonate (sodium hydrogen carbonate), sodium chloride, AS, and LAS are mixed with the above-mentioned Redige mixer, and water alone or polyacrylic acid so that the total amount of water is 5 parts by mass. Aqueous sodium solution, amorphous sodium silicate, nonionic surfactant, cationic surfactant and water were mixed and added over 2 minutes.
• the granulated particles were screened with a 1180 ⁇ m screen by adding zeolite and operating the mixer for 1 minute, and the sieved product was pulverized with a Fitzmill pulverizer (DKA-6: manufactured by Hosokawa Micron).
• the particles of Examples 1 to 19 and Comparative Examples 1 to 16 thus obtained had an apparent density of 700 to 1100 g / L, an average particle size of 180 to 600 ⁇ m, and a 0.1% by mass aqueous solution pH (20 ° C.). 10-11.
• the detergent composition was manufactured in units of 5 kg using a Redige mixer (manufactured by Matsusaka Giken Co., Ltd., capacity 20 L). According to Table 3, sodium carbonate, sodium sulfate, AS, LAS, fluorescent dye (1), and fluorescent dye (2) are mixed with the above-mentioned Redige mixer, and water alone or polyacrylic acid so that the total amount of water is 5 parts by mass. Sodium aqueous solution and nonionic surfactant were mixed and added in 2 minutes. Further, the granulated particles were screened with a 1180 ⁇ m screen by operating the mixer for 1 minute, and the sieved product was pulverized with a Fitzmill pulverizer (DKA-6: manufactured by Hosokawa Micron).
• DKA-6 Fitzmill pulverizer
• the resulting particles were blended with zeolite, sodium percarbonate, bleach activator, layered clay mineral, enzyme and perfume using a drum mixer.
• the particles of Examples 20 to 26 thus obtained had an apparent density of 700 to 1100 g / L, an average particle size of 180 to 600 ⁇ m, and a 0.1% by weight aqueous solution pH (20 ° C.) of 10 to 11. .
• Examples 27-30 After adding water to a 1 m 3 mixing tank equipped with a stirring blade, add sodium hydroxide aqueous solution, LAS, and sodium polyacrylate aqueous solution according to Table 4 and stir for 10 minutes, then add AS and stir and mix for 20 minutes. did. Next, amorphous sodium silicate, sodium sulfate, sodium carbonate, zeolite, nonionic surfactant and fluorescent dye were added and stirred for 20 minutes to obtain a homogeneous slurry with 30% by weight of water. Thereafter, the slurry is supplied to the spray drying tower (counterflow type) with a pump while supplying the external air heated to 250 ° C.
• the spray drying tower counterflow type
• the particles of Examples 27 to 30 thus obtained had an average water content of 5% by mass, an apparent density of 300 to 600 g / L, an average particle size of 250 to 400 ⁇ m, and the pH of an aqueous solution of 0.1% by mass (20 ° C) was 10-11.
• the prepared oil shown below was heated (60 ° C.), and the underwear was dripped using a spoid ( ⁇ : 2 mm) on the neck so that 1 g per 3 sheets (about 0.33 g per sheet). Pour and leave for 15 minutes in a fully immersed solution. After leaving, the neck is attached to one undergarment and the neck is washed 50 times (converted to 1 time in one reciprocation (about 1 second) while rubbing the necks together). Thereafter, the underwear is taken out, and the foam height immediately after squeezing three pieces is squeezed 10 cm above the basin so that the moisture content of the underwear is about 100 to 140% of the underwear.
• the amount of detergent used per time may increase.
• the bubble height during washing is preferably 1.0 cm or more, more preferably 1.3 cm or more, and more preferably 1.6 cm or more.
• the foaming during the rinsing process is not good or the rinsing water is turbid, the number of times of rinsing is increased until the foam is removed or the rinsing water becomes clear. As a result, a large amount of water is consumed. From this point of view, it is preferable that there are few bubbles at the time of rinsing and the rinsing water is transparent, and the above point is more preferably 3 points or less, and further preferably 2 points or less.
• A Adjustment oil used in the evaluation of foaming properties (mass% in artificial dirt is 0.44 mass% lauric acid, 3.15 mass% myristic acid, 2.35 mass% pentadecanoic acid, 6.31 palmitic acid) Wt%, heptadecanoic acid 0.44 wt%, stearic acid 1.6 wt%, oleic acid 7.91 wt%, triolein 13.33 wt%, n-hexadecyl palmitate 2.22 wt%, squalene 6.66 (Use in an amount of mass%)
• B Hard water obtained by weighing 105 mg of calcium chloride (dihydrate) and dissolving in distilled water to obtain 1,000 ml C: 1.98% by mass of egg white lecithin liquid crystal
• ⁇ Cleaning conditions Dissolve the powder detergent composition in 1 L of 179 mg / L of hard water (prepared in the same manner as used in the evaluation of foaming properties) so that the total component (A) is 150 ppm.

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