WO2021235180A1 - Composition de lessive en poudre pour linge - Google Patents

Composition de lessive en poudre pour linge Download PDF

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Publication number
WO2021235180A1
WO2021235180A1 PCT/JP2021/016591 JP2021016591W WO2021235180A1 WO 2021235180 A1 WO2021235180 A1 WO 2021235180A1 JP 2021016591 W JP2021016591 W JP 2021016591W WO 2021235180 A1 WO2021235180 A1 WO 2021235180A1
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WIPO (PCT)
Prior art keywords
component
mass
less
clothing
water
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Application number
PCT/JP2021/016591
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English (en)
Japanese (ja)
Inventor
育矢 府川
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花王株式会社
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Publication of WO2021235180A1 publication Critical patent/WO2021235180A1/fr

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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
    • C11D1/04—Carboxylic acids or salts thereof
    • 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
    • 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
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • 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
    • C11D3/06—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
    • C11D3/12—Water-insoluble compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for

Definitions

  • the present invention relates to a powder detergent composition for clothing and a method for cleaning clothing.
  • powder detergents for clothing contain surfactants such as anionic surfactants, metal salts such as magnesium salts, and zeolites.
  • JP-A-2017-014495 describes (a) anionic surfactants, (b) water-soluble aluminum salts, (c) alkali metal sulfates or alkali metal chlorides, (d) specific alkaline agents, (e). It contains a specific carboxylic acid or a specific hydroxycarboxylic acid in a specific amount, and the mass ratio of the component (e) to the component (b) (e) component / (b) component is 0 or more and 0.5 or less, and 1 g.
  • a powder cleaning agent composition for clothing in which the pH of the dispersion liquid in which 250 g of water is dispersed at 20 ° C. is 5.5 or more and 9.5 or less.
  • JP-A-2019-189728 describes (a) an anionic surfactant, (b) one or more compounds selected from magnesium sulfate, magnesium chloride, aluminum sulfate and aluminum chloride, and (c) elemental periodic table group 2. Group 16 and metal elements belonging to the 4th and 5th cycles, (d) one or more inorganic polymers selected from polysilicates, polyborates and polyphosphates, (e) one selected from zeolites and bentonites.
  • a specific amount of the above compound is contained, and the mass ratio of the content of the component (b) to the content of the component (e) [content of the component (b)] / [content of the component (e)] is , 0.08 or more and 10 or less, which is the mass ratio of the content of the component (d) to the content of the component (e) [content of the component (d)] / [content of the component (e)].
  • a powder cleaning agent composition for clothing which is 0.20 or more and 20 or less, is disclosed.
  • Hand washing Washing is a work that involves physical and mental fatigue, and it is hoped that the worker can finish the work as soon as possible.
  • the worker may immerse the clothes in the washing liquid and leave the clothes for a certain period of time, and then perform the hand-washing.
  • the worker shifts to the hand-washing work after confirming that the dirt from the clothes has been transferred to the cleaning liquid. That is, if it can be promptly confirmed that the stains are transferred from the clothes to the cleaning liquid by the immersion, the time until the subsequent hand-washing work is shortened, which leads to the shortening of the entire washing time.
  • the present invention provides a powder cleaning agent composition for clothes, which allows an operator to quickly visually recognize that dirt is released into a washing liquid in which clothes are immersed, and is comfortable for hand washing work.
  • the following component (a) is 3% by mass or more and 30% by mass or less, (b) component is 1% by mass or more and 20% by mass or less, (c) component is 1% by mass or more and 10% by mass or less, (d).
  • the present invention relates to a powder cleaning agent composition for clothing, which comprises 1% by mass or more and 30% by mass or less of the component, and (e) 3% by mass or more and 20% by mass or less of the component.
  • Component Anionic surfactant
  • Component White insoluble matter
  • Component Water-soluble aluminum salt, time until 0.03 g is dissolved in 1 L of ion-exchanged water at 30 ° C. by 90% by mass.
  • component one or more inorganic polymers selected from polysilicates, polyboric acids and polyphosphates, in which T 90c is 10 seconds or longer.
  • the present invention also relates to a method for washing clothes, which is to wash clothes using a washing liquid containing the powder cleaning agent composition for clothes of the present invention and water.
  • a powder cleaning agent composition for clothing that allows an operator to quickly visually recognize that stains are released into the cleaning liquid in which clothing is immersed.
  • the operator can quickly confirm that the stains from the clothing are transferred to the cleaning solution.
  • excellent effect of the above invention or enhancement of the effect of the above invention may be referred to as excellent visibility of dirt release or further enhancement of visibility of dirt release.
  • the clothes powder detergent composition of the present invention has less sliminess during hand washing and rinsing, and less residual feeling of the clothes powder detergent composition during hand washing and rinsing. You can give your hands a comfortable feel.
  • Embodiment for carrying out the invention ⁇ Powder detergent composition for clothing> [(A) component]
  • the component is an anionic surfactant.
  • Specific examples of the component (a) include one or more anionic surfactants selected from the following components (a1), (a2), (a3) and (a4).
  • Component Anionic surfactant having a sulfonic acid base (a4)
  • Component A fatty acid having 12 or more and 24 or less carbon atoms or a salt thereof.
  • the component (a1) more specifically, one or more selected from an alkyl sulfate ester salt having an alkyl group having 10 or more and 18 or less carbon atoms and an alkenyl sulfate ester salt having an alkenyl group having 10 or more and 18 or less carbon atoms.
  • Anionic surfactants can be mentioned.
  • the component (a1) is preferably one or more anionic surfactants selected from alkyl sulfates having 12 or more and 14 or less carbon atoms of the alkyl group, and the carbon of the alkyl group. More preferably, one or more anionic surfactants selected from sodium alkylsulfates having a number of 12 or more and 14 or less.
  • the polyoxyalkylene alkyl ether sulfate ester salt having an alkyl group having 10 or more and 18 or less carbon atoms and having an alkylene oxide average addition molar number of 1 to 3 or less and the alkenyl group having carbon atoms.
  • examples thereof include one or more anionic surfactants selected from polyoxyalkylene alkenyl ether sulfate ester salts having 10 or more and 18 or less and an average number of moles of alkylene oxide added of 1 or more and 3 or less.
  • the oxyalkylene group include an oxyalkylene group having 2 or more and 3 or less carbon atoms.
  • the oxyalkylene group having 2 or more and 3 or less carbon atoms include one or more groups selected from an oxypropylene group and an oxyethylene group.
  • the component (a2) is preferably a polyoxyethylene alkyl ether sulfate ester salt having an average number of moles of ethylene oxide added of 1 or more and 2.2 or less, and an alkyl group having 12 or more carbon atoms.
  • Polyoxyethylene alkyl ether sulfate esters having 14 or less and an average number of moles of ethylene oxide added of 1 or more and 2.2 or less are more preferable, and these sodium salts are even more preferable.
  • the anionic surfactant having a sulfonic acid base as a component (a3) represents an anionic surfactant having a sulfonate as a hydrophilic group.
  • the component (a3) more specifically, an alkylbenzene sulfonate having an alkyl group having 10 or more and 18 or less carbon atoms, an alkenylbenzene sulfonate having an alkenyl group having 10 or more and 18 or less carbon atoms, and an alkyl group having 10 or less carbon atoms.
  • examples thereof include one or more anionic surfactants selected from ⁇ -sulfosulphonic acid lower alkyl ester salts having 10 or more and 18 or less carbon atoms and 1 or more and 5 or less carbon atoms in the ester moiety.
  • the component (a3) is preferably an alkylbenzene sulfonate having an alkyl group having 11 or more and 16 or less carbon atoms, and a sodium alkylbenzene sulfonate having an alkyl group having 11 or more and 16 or less carbon atoms. More preferred.
  • the component (a4) is a fatty acid having 12 or more and 24 or less carbon atoms or a salt thereof.
  • a fatty acid having 12 or more and 24 or less carbon atoms or a salt thereof is an anionic surfactant having an aliphatic hydrocarbon group having 11 or more and 23 carbon atoms as a hydrophobic group and a carboxylic acid or a salt thereof as a hydrophilic group.
  • More specific examples of the component (a4) include lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, elaidic acid, linoleic acid, linolenic acid and salts thereof.
  • an alkali metal salt is preferable, a sodium salt or a potassium salt is more preferable, and a sodium salt is further preferable.
  • the powder detergent composition for clothing of the present invention contains one or more anionic surfactants selected from the component (a1) and the component (a3) as the component (a) from the viewpoint of further enhancing the visibility of stain release. It is preferably contained, and it is more preferable to contain one or more anionic surfactants selected from the component (a3). From the viewpoint of further enhancing the visibility of stain release, the powder detergent composition for clothing of the present invention has the number of carbon atoms of the alkylbenzene sulfonate and the alkenyl group having an alkyl group of 10 or more and 18 or less as the component (a).
  • the powder detergent composition for clothing of the present invention is one or more selected from alkylbenzene sulfonates having an alkyl group having 10 or more and 18 or less carbon atoms as the component (a) from the viewpoint of further enhancing the visibility of stain release. It is more preferable to contain the anionic surfactant of.
  • the proportion of the alkylbenzene sulfonate having an alkyl group having 10 or more and 18 or less carbon atoms is 50% by mass or more in the total (a) component in the detergent composition. It is preferably 60% by mass or more, more preferably 70% by mass or more, and preferably 100% by mass or less.
  • the component (b) is a white insoluble matter.
  • the white insoluble substance is a substance having a whiteness of 50% or more (ISO2470) that dissolves less than 1 g in 100 g of water at 20 ° C.
  • Examples of the white insoluble matter of the component (b) include one or more compounds selected from zeolite, bentonite, sericite, and talc, and from the viewpoint of storage stability of the powder detergent for clothing, from zeolite and bentonite.
  • One or more selected compounds are preferred, and zeolites are more preferred.
  • Zeolites are also called crystalline aluminosilicates.
  • crystalline aluminosilicates such as A-type, X-type, and P-type zeolite can be contained.
  • the average primary particle size is preferably 0.1 ⁇ m or more, more preferably 1 ⁇ m or more, and preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less.
  • Suitable crystalline aluminosilicates are type A zeolites (for example, trade name "Toyo Builder”: manufactured by Tosoh Corporation, oil absorption capacity by JIS K 5101 method: 40 mL / 100 g or more).
  • P type for example, product name "Zeolite A24", “ZSEO64”, etc .; all manufactured by Crossfield; oil absorption capacity 60 to 150 mL / 100 g
  • X type for example, product name "Wessalith XD”; manufactured by Degussa
  • Bentonite is preferably one having an ion exchange capacity of 50 to 100 meq / 100 g.
  • bentonite include (b1) alkaline metal or alkaline earth metal montmorillonite, montmorillonite group mineral clay (smectitic clay), (b2) illite, (b3) attapalgite, selected from the group consisting of montmorillonite, saponite and hectorite.
  • smectitic clay montmorillonite group mineral clay
  • b3 attapalgite selected from the group consisting of montmorillonite, saponite and hectorite.
  • Bentonite can be granulated.
  • the granulated product of clay mineral of JP-A-2008-189719 can be referred to.
  • Component (c) is a water-soluble aluminum salt, the time T 90c until 0.03g dissolved 90% by weight of 30 ° C. deionized water 1L is more than 10 seconds, a water-soluble aluminum salt.
  • water-soluble means that 1 g or more is dissolved in 100 g of water at 20 ° C.
  • powdery or granular ones can be used as the component (c).
  • the component (c) may be a water-soluble aluminum salt having a time T 90c of 10 seconds or more until 0.03 g is dissolved in 1 L of ion-exchanged water at 30 ° C. in an amount of 90% by mass.
  • time T 90c 1 L of ion-exchanged water at 30 ° C. was stirred at 250 rpm using a stirrer (length 43 mm and body diameter 7 mm), and 0.03 g of component (c) was added to conduct electrical conduction over time. The degree is measured, and it is defined as the time from (c) component input to reaching 90% of the maximum stable electric conductivity (value does not fluctuate for 15 seconds or more).
  • Time T 90c is more specifically measured under the conditions described in the Examples.
  • the time T 90c is a value determined by the solubility of the water-soluble aluminum salt, the degree of particle size, and the like.
  • the component (c) has a time T 90c of 10 seconds or longer, preferably 15 seconds or longer, more preferably 20 seconds or longer, still more preferably 25 seconds or longer, still more preferably 25 seconds or longer, from the viewpoint of further enhancing the visibility of dirt release. 30 seconds or more, more preferably 35 seconds or more, still more preferably 40 seconds or more, still more preferably 45 seconds or more, still more preferably 50 seconds or more, and preferably 360 seconds or less, more preferably 330 seconds or less. Water-soluble, more preferably 300 seconds or less, still more preferably 250 seconds or less, still more preferably 200 seconds or less, still more preferably 150 seconds or less, still more preferably 100 seconds or less, still more preferably 60 seconds or less. Sexual aluminum salts are suitable.
  • the component (c) 0.03 g of the component (c) is further added to 1 L of ion-exchanged water at 30 ° C., and the time until the electric conductivity reaches 4.0 mS / m T 4c is water-soluble for 10 seconds or more. It is preferably an aluminum salt.
  • time T 4c 1 L of ion-exchanged water at 30 ° C. was stirred at 250 rpm using a stirrer (length 43 mm and body diameter 7 mm), and 0.03 g of component (c) was added to conduct electrical conduction over time. The degree is measured, and (c) is the time from the addition of the component to the time when the electric conductivity reaches 4.0 mS / m.
  • the time T 4c is more specifically measured under the conditions described in the Examples.
  • the time T 4c is a value determined by the solubility of the water-soluble aluminum salt, the degree of particle size, and the like.
  • the component (c) has a time T 4c of 10 seconds or longer, preferably 15 seconds or longer, more preferably 20 seconds or longer, still more preferably 25 seconds or longer, still more preferably 30 seconds, from the viewpoint of visibility of dirt release.
  • the above more preferably 35 seconds or more, further preferably 40 seconds or more, still more preferably 50 seconds or more, still more preferably 60 seconds or more, still more preferably 70 seconds or more, and preferably 360 seconds or less.
  • Water-soluble aluminum more preferably 330 seconds or less, still more preferably 300 seconds or less, still more preferably 250 seconds or less, still more preferably 200 seconds or less, still more preferably 150 seconds or less, still more preferably 100 seconds or less. Salt is preferred.
  • water-soluble aluminum salt examples include one or more selected from potassium alum (potassium aluminum sulfate), ammonium alum (aluminum ammonium sulfate), sodium alum (aluminum sodium sulfate), aluminum sulfate, aluminum acetate, aluminum chloride, and aluminum nitrate. Will be.
  • the water-soluble aluminum salt may be a hydrate. Hydrate of water-soluble aluminum salt includes potassium aluminum sulfate dodecahydrate, sodium aluminum sulfate dodecahydrate, ammonium aluminum sulfate dodecahydrate, aluminum chloride hexahydrate and aluminum sulfate 13-18 hydrate.
  • One or more water-soluble aluminum salts selected may be mentioned. However, these water-soluble aluminum salts need to be water-soluble aluminum salts having a time T 90c of 10 seconds or more. Further, these water-soluble aluminum salts are preferably water-soluble aluminum salts having a time T 4c of 10 seconds or more.
  • (C) As a component, one or more selected from aluminum sulfate, aluminum chloride, potassium alum, ammonium alum, sodium alum, aluminum acetate aluminum nitrate and hydrates thereof from the viewpoint of improving the comfort of hand washing work.
  • Water-soluble aluminum salts are preferred, and one or more water-soluble aluminum salts selected from aluminum sulfate, aluminum chloride, potassium alum, ammonium alum, sodium alum and their hydrates are more preferred, aluminum sulfate, aluminum chloride and theirs.
  • One or more water-soluble aluminum salts selected from hydrates are more preferred.
  • these water-soluble aluminum salts need to be water-soluble aluminum salts having a time T 90c of 10 seconds or more from the viewpoint of enhancing the visibility of stain release. Further, these water-soluble aluminum salts are preferably water-soluble aluminum salts having a time T 4c of 10 seconds or more from the viewpoint of enhancing the visibility of stain release.
  • the component (d) is a water-soluble divalent metal salt.
  • water-soluble means that 1 g or more is dissolved in 100 g of water at 20 ° C.
  • powdery or granular ones can be used as the component (d).
  • the component (d) 0.09 g of the component (d) is put into 1 L of ion-exchanged water at 30 ° C., and the time T 4d until the electric conductivity reaches 4.0 mS / m is 10 seconds or less. It is preferably a valent metal salt.
  • time T 4d 1 L of ion-exchanged water at 30 ° C. was stirred at 250 rpm using a stirrer (length 43 mm and body diameter 7 mm), and 0.09 g of component (d) was added to conduct electrical conduction over time. The degree is measured, and (d) is the time from the addition of the component to the time when the electric conductivity reaches 4.0 mS / m.
  • the time T 4d is more specifically measured under the conditions described in the Examples.
  • the time T 4d is a value determined by the solubility of the water-soluble divalent metal salt, the degree of particle size, and the like.
  • a water-soluble divalent metal salt having a time T 4d of 10 seconds or less, preferably 8 seconds or less, more preferably 5 seconds or less is preferable from the viewpoint of further enhancing the visibility of dirt release. ..
  • the component (d) includes one or more selected from magnesium sulfate, magnesium chloride, iron (II) oxide, iron (II) chloride, and zinc acetate.
  • the water-soluble divalent metal salt may be a hydrate. Hydrate of water-soluble divalent metal salt includes magnesium sulfate monohydrate, magnesium sulfate hexahydrate, magnesium sulfate heptahydrate, magnesium sulfate dodecahydrate, magnesium chloride hexahydrate, iron chloride. (II) One or more selected from tetrahydrate and zinc acetate dihydrate. Further, these water-soluble divalent metal salts are preferably water-soluble divalent metal salts having a time T 4d of 10 seconds or less.
  • the component (d) is one or more selected from magnesium sulfate, magnesium chloride, iron oxide (II), iron (II) chloride, zinc acetate and hydrates thereof from the viewpoint of further enhancing the visibility of stain release.
  • one or more selected from magnesium sulfate, magnesium chloride and hydrates thereof is preferable.
  • these water-soluble divalent metal salts are preferably water-soluble divalent metal salts having a time T 4d of 10 seconds or less.
  • the component (e) is one or more inorganic polymers selected from polysilicates, polyborates and polyphosphates.
  • the polysilicate refers to a silicate containing a polymerization mode in which an adjacent silicon atom is bonded to another silicon atom via an oxygen atom.
  • the polysilicate can be obtained as a polymer of one or more compounds selected from, for example, orthosilicates, metasilicates and methanisilicates.
  • the salt include alkali metal salts such as sodium salt and potassium salt.
  • the polyborate refers to a borate containing a polymerization mode in which an adjacent boron atom is bonded to another boron atom via an oxygen atom.
  • the polyborate can be obtained as a polymer of one or more compounds selected from, for example, orthoborate, metaborate, diborate and tetraborate.
  • the salt include alkali metal salts such as sodium salt and potassium salt.
  • the polyphosphate refers to a phosphate containing a polymerization mode in which an adjacent phosphorus atom is bonded to another phosphorus atom via an oxygen atom.
  • the polyphosphate may be, for example, a pyrophosphate, a tripolyphosphate, as a polymer of one or more compounds selected from orthophosphates, metaphosphates, trimetaphosphates, pyrophosphates and tripoliphosphates. You can also get it.
  • the salt include alkali metal salts such as sodium salt and potassium salt.
  • the total amount of Q3 and Q4 with respect to the total amount of Q0, Q1, Q2, Q3 and Q4 in polysilicate is preferably 50% by mass or more, further preferably 70% by mass or more, still more preferably 90% by mass or more, still more preferably 99% by mass or more, and 100% by mass. It is as follows.
  • the Q0 body, Q1 body, Q2 body, Q3 body, and Q4 body referred to here represent the structure of silicate.
  • a structure bonded to an atom is called a Q4 body.
  • N 3 body
  • N 2 body
  • N 1, it is called Q1 body
  • Q0 body when it does not contribute to polymerization at all, it is called Q0 body. That is, when the number of one silicon atom, boron atom or phosphorus atom (hereinafter referred to as a central atom) in the inorganic polymer bonded to another adjacent central atom via the oxygen atom is N.
  • N is 4 is a Q4 body
  • a structure in which N is 3 is a Q3 body
  • a structure in which N is 2 is a Q2 body
  • a structure in which N is 1 is a Q1 body
  • N is a structure in which N is 0.
  • the body be Q0. That is, the fact that the ratio of Q3 and Q4 is large means that polysilicic acid has a three-dimensional structure.
  • a compound containing a part of Q0 is also referred to as a polysilicate.
  • Q0 body was calculated in order from the low magnetic field side for the calculation method of the ratio of Q3 body and Q4 body in the polysilicate.
  • Q1, Q2, Q3, Q4 and the sum of the peak areas of Q3 and Q4 divided by the sum of the peak areas of Q0, Q1, Q2, Q3, and Q4 is 100.
  • polyborates and polyphosphates can also be obtained by measuring the NMR of a boron atom or a phosphorus atom.
  • the powder detergent composition for clothing of the present invention preferably contains a polysilicate as a component (e).
  • an alkali metal salt is preferable, a sodium salt or a potassium salt is more preferable, and a sodium salt is further preferable.
  • the powder detergent composition for clothing of the present invention contains the component (a) in an amount of 3% by mass or more and 30% by mass or less.
  • the content of the component (a) in the composition is 3% by mass or more, preferably 10% by mass or more, more preferably 15% by mass or more, and visibility of stain release from the viewpoint of further enhancing the cleaning performance. From the viewpoint of further enhancement, it is 30% by mass or less, preferably 28% by mass or less, more preferably 25% by mass or less, still more preferably 22% by mass or less, still more preferably 20% by mass or less.
  • the powder detergent composition for clothing of the present invention contains the component (b) in an amount of 1% by mass or more and 20% by mass or less.
  • the content of the component (b) in the composition is 1% by mass or more, preferably 3% by mass or more, more preferably 4% by mass or more, still more preferably 5% by mass, from the viewpoint of fluidity and non-caking property. From the viewpoint of further enhancing the visibility of dirt release, 20% by mass or less, preferably 18% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, still more preferably 7% by mass. It is as follows.
  • the powder detergent composition for clothing of the present invention contains the component (c) in an amount of 1% by mass or more and 10% by mass or less.
  • the content of the component (c) in the composition is 1% by mass or more, preferably 2% by mass or more, more preferably 3% by mass or more, and stain release from the viewpoint of improving the comfort of hand washing work. From the viewpoint of further enhancing visibility, 10% by mass or less, preferably 9% by mass or less, more preferably 8% by mass or less, still more preferably 7% by mass or less, still more preferably 6% by mass or less, still more preferably 5. It is mass% or less, more preferably 4 mass% or less.
  • the powder detergent composition for clothing of the present invention contains the component (d) in an amount of 1% by mass or more and 30% by mass or less.
  • the content of the component (d) in the composition is 1% by mass or more, preferably 2% by mass or more, more preferably 4% by mass or more, still more preferably 6% by mass, from the viewpoint of further enhancing the visibility of stain release.
  • the powder detergent composition for clothing of the present invention contains the component (e) in an amount of 3% by mass or more and 20% by mass or less.
  • the content of the component (e) in the composition is 3% by mass or more, preferably 5% by mass or more, more preferably 7% by mass or more, still more preferably 9% by mass, from the viewpoint of further enhancing the visibility of stain release.
  • the mass ratio (d) / (b) of the content of the component (d) to the content of the component (b) is from the viewpoint of further enhancing the visibility of stain release.
  • the mass ratio (e) / (b) of the content of the component (e) to the content of the component (b) is from the viewpoint of further enhancing the visibility of stain release.
  • the powder detergent composition for clothing of the present invention has other components known in the field of detergent for clothing, such as bleaching agents (perborates, bleaching activators, etc.), anti-recontamination agents, reducing agents (sulfates). Etc.), fluorescent whitening agents, foam suppressants (silicone, etc.), fragrances, enzymes (cellulase, protease, peptinase, lipase, dextranase, amylase, etc.), colorants, etc. can be contained.
  • bleaching agents perborates, bleaching activators, etc.
  • anti-recontamination agents reducing agents
  • reducing agents sulfates
  • Etc. fluorescent whitening agents
  • foam suppressants silicone, etc.
  • fragrances fragrances
  • enzymes enzymes (cellulase, protease, peptinase, lipase, dextranase, amylase, etc.), colorants, etc. can be contained.
  • the pH of the 1% by mass aqueous solution measured at 20 ° C. described in JIS K 3362: 2008 is preferably 6.0 or more, more preferably 7. It is 0 or more, more preferably 7.5 or more, and preferably 11.0 or less, more preferably 10.7 or less, still more preferably 10.5 or less.
  • Ion-exchanged water is used as the water of the aqueous solution.
  • the water content in the composition by the heat loss method described in JIS K 3362: 2008 is preferably 1% by mass or more, more preferably 1% by mass or more, in terms of solubility and productivity. It is 2% by mass or more, and preferably 10% by mass or less, more preferably 8% by mass or less, and further preferably 6% by mass or less.
  • the powder detergent composition for clothing of the present invention has an apparent density of preferably 600 g / L or less, more preferably 550 g / L or less, as measured by the method specified by JIS K 3362: 2008. More preferably, it is 500 g / L or less. Further, from the viewpoint of convenience and reduction of waste, the apparent density is preferably 300 g / L or more, more preferably 350 g / L or more, and further preferably 380 g / L or more.
  • the powder detergent composition for clothing of the present invention has an average particle size of preferably 250 ⁇ m or more, more preferably 300 ⁇ m or more, still more preferably 350 ⁇ m or more, and preferably 650 ⁇ m or less. It is preferably 600 ⁇ m or less, more preferably 550 ⁇ m or less.
  • the average particle size is obtained from the mass fraction according to the size of the mesh after vibrating for 5 minutes using a standard sieve of JIS Z8801.
  • the powder detergent composition for clothing of the present invention may be surface-modified with a surface coating agent from the viewpoint of fluidity and non-caking property.
  • the powder detergent composition for clothing of the present invention can be produced by a known method. For example, spray drying method, dry neutralization method, dry granulation method, dry blending method, fluidized bed drying method, thin film drying method, extrusion granulation method, rolling granulation method, stirring granulation method, compaction granulation method, It can be produced by applying a surface active agent carrying method or a method selected from these and combined.
  • the powder detergent composition for clothing of the present invention is suitable for hand washing.
  • Examples of the hand-washing method include a method of scrubbing clothes by hand, a method of rubbing clothes together by hand, and a method of scrubbing clothes with a tool such as a brush with flocked fiber bundles.
  • Examples of the cleaning method using the powder cleaning agent composition for clothing of the present invention include a cleaning method in which clothing is washed using a cleaning liquid containing the powder cleaning agent composition for clothing of the present invention and water.
  • the content of the component (a) in the cleaning liquid is preferably 120 mg / kg or more, more preferably 400 mg / kg or more, still more preferably 600 mg / kg or more, and preferably 600 mg / kg or more, from the viewpoint of cleaning performance and visibility of stain release. Is 1200 mg / kg or less, more preferably 1120 mg / kg or less, still more preferably 1000 mg / kg or less, still more preferably 880 mg / kg or less, still more preferably 800 mg / kg or less.
  • the content of the component (b) in the cleaning liquid is preferably 40 mg / kg or more, more preferably 120 mg / kg or more, still more preferably 160 mg / kg or more, from the viewpoints of fluidity, non-caking property, and visibility of stain release. , More preferably 200 mg / kg or more, and preferably 800 mg / kg or less, more preferably 720 mg / kg or less, still more preferably 600 mg / kg or less, still more preferably 400 mg / kg or less.
  • the content of the component (c) in the cleaning liquid is preferably 40 mg / kg or more, more preferably 80 mg / kg or more, still more preferably 120 mg / kg or more, from the viewpoint of comfort of hand washing work and visibility of stain release.
  • the amount is preferably 400 mg / kg or less, more preferably 360 mg / kg or less, still more preferably 320 mg / kg or less, still more preferably 280 mg / kg or less.
  • the content of the component (d) in the cleaning liquid is preferably 40 mg / kg or more, more preferably 80 mg / kg or more, still more preferably 160 mg / kg or more, still more preferably, from the viewpoint of visibility of stain release and rinsing property.
  • Is 240 mg / kg or more preferably 1200 mg / kg or less, more preferably 1120 mg / kg or less, still more preferably 1000 mg / kg or less, still more preferably 880 mg / kg or less.
  • the content of the component (e) in the cleaning liquid is preferably 120 mg / kg or more, more preferably 200 mg / kg or more, still more preferably 280 mg / kg or more, still more preferably 360 mg / kg or more from the viewpoint of visibility of stain release. It is kg or more, preferably 800 mg / kg or less, more preferably 720 mg / kg or less, still more preferably 640 mg / kg or less, still more preferably 560 mg / kg or less.
  • the mass ratio (d) / (b) and the mass ratio (e) / (b) in the cleaning liquid can be selected from the same range as the powder detergent composition for clothing of the present invention, respectively.
  • the cleaning liquid can contain components (a) to (e) and components other than water.
  • the pH of the cleaning liquid is preferably 6.0 or more and 11.0 or less.
  • the pH of the cleaning liquid is more preferably 6.0 or more, further preferably 7.0 or more, still more preferably 7.5 or more, and even more preferably 11.0 or less, from the viewpoint of cleaning performance and hand feel. It is more preferably 10.7 or less, still more preferably 10.5 or less.
  • the pH of the cleaning solution of the present invention can be measured using, for example, a glass electrode. The pH is measured at the temperature of the washing liquid at the time of washing, but may be measured at 25 ° C.
  • the powder detergent composition for clothes of the present invention is preferably 1 g or more, more preferably 2 g or more, still more preferably 3 g or more, with respect to 1 L of water. Then, it is preferably used at a concentration of 10 g or less, more preferably 9 g or less, still more preferably 8 g or less.
  • the method for washing clothes of the present invention it is preferable to wash the clothes after immersing the clothes in a washing liquid and leaving them to stand.
  • the leaving time is preferably 1 minute or more, more preferably 3 minutes or more, further preferably 5 minutes or more, and preferably 60 minutes or less, more preferably 50 minutes or less, still more preferably 40 minutes or less. ..
  • the temperature of the cleaning liquid is preferably 20 ° C. or higher, more preferably 25 ° C. or higher, and preferably 45 ° C. or lower, more preferably 40 ° C. or lower at the start of immersion.
  • the temperature may be maintained or may fluctuate during the period of standing.
  • One of the features of the present invention is that when a dirty clothing is immersed in a cleaning solution prepared from the powder cleaning agent composition for clothing of the present invention, the operator can quickly confirm that the stain from the clothing is transferred to the cleaning solution. At the point. As a result, it is possible to shorten the time required for the entire washing because the work such as the hand washing to be continued is started earlier.
  • the alkalinity of the water used for preparing the washing liquid can be selected from 0 mg / L or more and 1000 mg / L or less.
  • the alkalinity of the water can be measured by the following method. [Measurement method of alkalinity] Take 100 ml of test water in a 200 ml beaker and add 0.15 ml of bromocresol green-methyl red ethanol solution (manufactured by Wako Pure Chemical Industries, Ltd.) as an indicator. If there is residual chlorine in the test water, add a sodium thiosulfate solution (0.3 w / v%) to 100 ml of the test water in advance to remove the residual chlorine.
  • Alkaliity (CaCO 3 mg / l) a ⁇ 10
  • a 10 mmol / l sulfuric acid (ml) required for titration.
  • a pH meter is used instead of the indicator, and the pH value of 10 mmol / l sulfuric acid (ml) required to reach 4.8 is defined as a.
  • the German hardness of the water used for cleaning can be 1 ° dH or higher, 2 ° dH or higher, 3 ° dH or higher, and 5 ° dH or higher.
  • the German hardness of water is 50 ° dH or less, preferably 40 ° dH or less, more preferably 30 ° dH or less, and more preferably 25 ° dH or less from the viewpoint of improving detergency.
  • the German hardness of the water used for cleaning can be adjusted, for example, based on a value calculated from the type and amount of hardness component added, as in the methods described in the examples herein.
  • water of unknown hardness such as tap water is used as the water used for washing
  • the German hardness of the water is determined by the chelatometric titration method using the ethylenediaminetetraacetic acid disodium salt described below. ..
  • the washing method of the present invention can have a step of rinsing clothes after washing with water.
  • the water used for rinsing preferably has the German hardness described above.
  • the water used for rinsing preferably has the above-mentioned alkalinity.
  • the water used for rinsing preferably has the German hardness and alkalinity described above.
  • Example (Method for preparing powder detergent composition) The powder detergent compositions shown in Tables 1 to 3 were prepared using the following compounding ingredients. Of the compounding components, the component (a) changes the mass of the component (a) below by 1.0% / min or less with respect to the initial mass of the measurement sample using an electric dryer (DN410H, manufactured by Yamato Kagaku Co., Ltd.). The one dried at 200 ° C. was used until the rate was reached.
  • an electric dryer N410H, manufactured by Yamato Kagaku Co., Ltd.
  • the following component (e) sodium silicate (Fujifilm Wako Pure Chemical Industries, Ltd.), sodium tetraborate decahydrate (Fujifilm Wako Pure Chemical Industries, Ltd.), disodium hydrogen phosphate (Fujifilm Wako Pure Chemical Industries, Ltd.)
  • the following component (e-1) is obtained by drying (Co., Ltd.) at 200 ° C. using the above electric dryer at 200 ° C. until the mass change rate is 1.0% / min or less with respect to the initial mass of the measurement sample.
  • the component (e-2) and the component (e-3) were obtained.
  • the obtained dried product (a) component and (e) component are mixed with (b) component, (c) component, (d) component, and sodium sulfate at the ratios shown in Tables 1 to 3 and mixed.
  • the powder detergent compositions shown in 1 to 3 were prepared. The following evaluation was performed using the obtained powder detergent composition. The results are shown in Tables 1 to 3.
  • (B) Ingredients ⁇ (b-1): Zeolite, Synthetic zeolite, A-4, Powder, 75 ⁇ m (200mesh) pass, manufactured by Fujifilm Wako Pure Chemical Industries, Ltd. ⁇ (b-2): Bentonite, Kunipia F, Kunimine Made by Kogyo Co., Ltd.
  • (C) Ingredients ⁇ (c-1): Aluminum sulfate A, Aluminum sulfate 14.3 hydrate, manufactured by PT. LikuTelaga, average particle size 855 ⁇ m, time T 90c 57 seconds, time T 4c 85 seconds ⁇ (c-) 2): Aluminum sulfate B, Aluminum sulfate 13 to 17 hydrate, manufactured by Daimei Chemical Industry Co., Ltd., average particle size 605 ⁇ m, time T 90c 19 seconds, time T 4c 28 seconds ⁇ (c-3): Aluminum sulfate C , Aluminum sulfate 13-17 hydrate, manufactured by Daimei Chemical Industry Co., Ltd., average particle size 428 ⁇ m, time T 90c 11 seconds, time T 4c 18 seconds ⁇ (c-4): aluminum chloride, aluminum chloride hexahydrate , Fujifilm Wako Pure Chemical Industries, Ltd., average particle size 855 ⁇ m, time T 90c 22 seconds, time T 4c 31 seconds (c') component (compa
  • LikuTelaga average particle size 153 ⁇ m, time T 90c 8 seconds, time T 4c 9 seconds ⁇ (c'-2) : Aluminum Sulfate E, Aluminum Sulfate 14.3 Hydrate, manufactured by PT. LikuTelaga, average particle size 215 ⁇ m, time T 90c 7 seconds, time T 4c 7 seconds
  • the time T 90c until 0.03 g of the component (c) or the component (c') was dissolved in 1 L of ion-exchanged water at 30 ° C. by 90% by mass was measured by the following method.
  • 1 L of ion-exchanged water at 30 ° C. and a stirrer (length 43 mm and body diameter 7 mm) were placed in a 1 L beaker.
  • the mixture was stirred at 250 rpm by a stirrer MAGMIX STIRRER TOUGHMIXER (Mitamura Riken Kogyo Co., Ltd.).
  • the electrode of the electric conductivity meter CM-42X (Toa DKK) was put in the liquid.
  • (D) Ingredients ⁇ (d-1): Magnesium sulfate, Magnesium sulfate heptahydrate, manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., Time T 4d 7 seconds ⁇ (d-2): Magnesium chloride, Magnesium chloride 6 Hydrate, manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., time T 4d 5 seconds
  • (D) 0.09 g of the component was dissolved in 1 L of ion-exchanged water at 30 ° C., and the time T 4d until the electric conductivity reached 4.0 mS / m was measured by the following method.
  • 1 L of ion-exchanged water at 30 ° C. and a stirrer (length 43 mm and body diameter 7 mm) were placed in a 1 L beaker.
  • the mixture was stirred at 250 rpm by a stirrer MAGMIX STIRRER TOUGHMIXER (Mitamura Riken Kogyo Co., Ltd.).
  • the electrode of the electric conductivity meter CM-42X (Toa DKK) was put in the liquid.
  • (D) 0.09 g of the component was added, and the electrical conductivity over time was measured, and the time from the addition of the component (d) until the electrical conductivity reached 4.0 mS / m was measured.
  • the obtained concentrated stock solution was diluted with water for dilution having an alkalinity of 100 mg / L (CaCO 3 equivalent) and a pH of 7.5, and used after adjusting to a German hardness of 10 ° dH.
  • sodium hydrogen carbonate manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.
  • hydrochloric acid manufactured by Fujifilm Wako Pure Chemical Industries, Ltd.
  • the turbidity is 70 or less, but 60 or less is preferable, 50 or less is more preferable, 40 or less is further preferable, and 30 or less is further preferable.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

L'invention fournit une composition de lessive en poudre pour linge qui est adaptée à une opération de lavage à la main, et qui permet à l'utilisateur de visualiser rapidement l'élimination des salissures dans l'eau de lessive dans laquelle est immergé le linge.　Plus précisément, l'invention concerne une composition de lessive en poudre pour linge qui comprend 3 % en masse ou plus à 30% en masse ou moins d'un composant (a), 1% en masse ou plus à 20% en masse ou moins d'un composant (b), 1% en masse ou plus à 10% en masse ou moins d'un composant (c), 1% en masse ou plus à 30% en masse ou moins d'un composant (d) et 3% en masse ou plus à 20% en masse ou moins d'un composant (e). Composant (a) : tensio-actif anionique, composant (b) : matière insoluble de couleur blanche, composant (c) : sel d'aluminium hydrosoluble tel que la durée (Ｔ９０ｃ) pour que 0,03g se dissolve à 90% en masse dans 1L d'une eau désionisée à 30°C, est supérieure ou égale à 10 secondes, composant (d) : sel métallique divalent hydrosoluble, composant (e) : polymère inorganique d'au moins une sorte choisie parmi un polysilicate, un acide polyborique et un polyphosphate
PCT/JP2021/016591 2020-05-18 2021-04-26 Composition de lessive en poudre pour linge WO2021235180A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161082A (ja) * 1986-12-25 1988-07-04 ライオン株式会社 粒状洗剤用添加物
WO2014103690A1 (fr) * 2012-12-28 2014-07-03 花王株式会社 Composition de lessive en poudre pour le linge
WO2017002760A1 (fr) * 2015-06-30 2017-01-05 花王株式会社 Composition détergente en poudre pour les vêtements
WO2017002759A1 (fr) * 2015-06-30 2017-01-05 花王株式会社 Composition détergente en poudre pour vêtements
WO2019208288A1 (fr) * 2018-04-24 2019-10-31 花王株式会社 Composition détergente en poudre pour les vêtements

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161082A (ja) * 1986-12-25 1988-07-04 ライオン株式会社 粒状洗剤用添加物
WO2014103690A1 (fr) * 2012-12-28 2014-07-03 花王株式会社 Composition de lessive en poudre pour le linge
WO2017002760A1 (fr) * 2015-06-30 2017-01-05 花王株式会社 Composition détergente en poudre pour les vêtements
WO2017002759A1 (fr) * 2015-06-30 2017-01-05 花王株式会社 Composition détergente en poudre pour vêtements
WO2019208288A1 (fr) * 2018-04-24 2019-10-31 花王株式会社 Composition détergente en poudre pour les vêtements

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