WO2020203693A1 - Adjuvant pour détergent ou additif pour détergent, et composition de détergent - Google Patents

Adjuvant pour détergent ou additif pour détergent, et composition de détergent Download PDF

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Publication number
WO2020203693A1
WO2020203693A1 PCT/JP2020/013828 JP2020013828W WO2020203693A1 WO 2020203693 A1 WO2020203693 A1 WO 2020203693A1 JP 2020013828 W JP2020013828 W JP 2020013828W WO 2020203693 A1 WO2020203693 A1 WO 2020203693A1
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group
mass
detergent
copolymer
general formula
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PCT/JP2020/013828
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English (en)
Japanese (ja)
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尊子 張替
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株式会社日本触媒
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
    • C08F216/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
    • C08F216/04—Acyclic compounds
    • 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

Definitions

  • the present invention relates to a detergent builder or a detergent additive and a detergent composition.
  • the water-soluble polymer is preferably used as a detergent builder or a detergent additive.
  • a water-soluble polymer an unsaturated carboxylic acid-based monomer such as acrylic acid, methacrylic acid, ⁇ -hydroxyacrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, and citraconic acid
  • a polymer or copolymer using the above as a monomer component is used. Further, in order to improve the performance of detergent builders or detergent additives, improvement studies on the above polymers and copolymers have been actively conducted in recent years (for example, Patent Document 1).
  • the copolymer having a specific composition obtained by a specific polymerization method has excellent clay dispersibility and excellent compatibility with a surfactant. Furthermore, they have found that they are also excellent in solubilizing power, which is the ability to dissolve fats, and have completed the present invention.
  • an object of the present invention is to provide a detergent builder or a detergent additive having excellent clay dispersibility, excellent compatibility with a surfactant, and excellent solubilizing power, which is the ability to dissolve fats. It is in.
  • Another object of the present invention is to provide a detergent composition containing a copolymer which can be suitably used for such a detergent builder or a detergent additive.
  • a persulfate is used as a monomer component containing an unsaturated carboxylic acid-based monomer represented by the general formula (1) and an unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2).
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer in the copolymer is 1% by mass to 29% by mass.
  • R 1 ⁇ R 3 are each independently a hydrogen atom, a methyl group, or - represents a (CH 2) z COOM groups, - (CH 2) z COOM group -COOX group Alternatively, it may form an anhydride with another ⁇ (CH 2 ) z COOM group, z is an integer of 0 to 2, and M is a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, or an organic substance.
  • R 4 and R 5 independently represent a hydrogen atom or a methyl group
  • R 6 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms
  • AO represents a hydrocarbon group.
  • n represents the average number of moles of oxyalkylene group represented by AO
  • n is a number of 1 to 500
  • x is an integer of 0 to 2. Is.
  • the weight average molecular weight Mw of the copolymer is 13000 or more.
  • R 1 to R 3 are independently hydrogen atoms or methyl groups.
  • the detergent composition according to the embodiment of the present invention A detergent composition containing a copolymer
  • the copolymer is a monomer component containing an unsaturated carboxylic acid-based monomer represented by the general formula (1) and an unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2).
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer in the copolymer is 1% by mass to 29% by mass.
  • R 1 ⁇ R 3 are each independently a hydrogen atom, a methyl group, or - represents a (CH 2) z COOM groups, - (CH 2) z COOM group -COOX group Alternatively, it may form an anhydride with another ⁇ (CH 2 ) z COOM group, z is an integer of 0 to 2, and M is a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, or an organic substance.
  • R 4 and R 5 independently represent a hydrogen atom or a methyl group
  • R 6 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms
  • AO represents a hydrocarbon group.
  • n represents the average number of moles of oxyalkylene group represented by AO
  • n is a number of 1 to 500
  • x is an integer of 0 to 2. Is.
  • a detergent builder or a detergent additive having excellent clay dispersibility, excellent compatibility with a surfactant, and excellent solubilizing power, which is the ability to dissolve fats. be able to.
  • a detergent composition containing a copolymer that can be suitably used for such a detergent builder or a detergent additive.
  • the expression “(meth) acrylic” means “acrylic and / or methacrolein”
  • the expression “(meth) acrylate” means “acrylate and / or methacrylate”.
  • the expression “(meth) allyl” is used, it means “allyl and / or methacrolein”
  • the expression “(meth) acrolein” is used, “acrolein and / or methacrolein” is used. It means “rain”.
  • the expression “acid (salt)” is used in the present specification, it means “acid and / or a salt thereof”.
  • weight which is generally used as a unit of weight
  • weight is used in the present specification.
  • mass which is commonly used as an SI system unit indicating weight.
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer is in the form of an acid type (that is, a carboxylate such as -COONa). -Calculated as the carboxylic acid form of COOH).
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer is the salt type (content ratio). -Calculated as a form of carboxylate such as COONa).
  • the content ratio of the structural unit derived from various monomers is the ratio of the amount used (charged amount) of each of the various monomers, as it is, of the structural unit derived from the various monomers. The content ratio.
  • the detergent builder or detergent additive according to the embodiment of the present invention is an unsaturated carboxylic acid-based monomer represented by the general formula (1) and an unsaturated polyalkylene glycol ether-based representative represented by the general formula (2).
  • the content ratio of the structural unit (I) is 1% by mass to 29% by mass.
  • the detergent builder or detergent additive contains an unsaturated carboxylic acid-based monomer represented by the general formula (1) and an unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2). It is a copolymer obtained by copolymerizing a monomer component, and is represented by a structural unit (I) derived from an unsaturated carboxylic acid-based monomer represented by the general formula (1) and a general formula (2). It has a structural unit (II) derived from an unsaturated polyalkylene glycol ether-based monomer.
  • the unsaturated carboxylic acid-based monomer represented by the general formula (1) may be only one type or two or more types.
  • the structural unit (I) derived from the unsaturated carboxylic acid-based monomer represented by the general formula (1) may be of only one type or of two or more types.
  • the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) may be of only one type or of two or more types.
  • the structural unit (II) derived from the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) may be of only one type or of two or more types.
  • the structural unit (I) derived from the unsaturated carboxylic acid-based monomer represented by the general formula (1) is specifically represented by the following formula.
  • the structural unit (II) derived from the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) is specifically represented by the following formula.
  • R 1 to R 3 represent the same or different hydrogen atom, methyl group, or ⁇ (CH 2 ) z COM group.
  • - (CH 2) z COOM group -COOX groups or other - may form a (CH 2) z COOM groups and anhydride.
  • z is an integer of 0 to 2.
  • R 1 to R 3 are preferably hydrogen atoms or methyl groups independently of each other.
  • M represents a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, an organic ammonium group, or an organic amine group.
  • X represents a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, an organic ammonium group, or an organic amine group.
  • Examples of the unsaturated carboxylic acid-based monomer represented by the general formula (1) include monocarboxylic acid-based monomers such as (meth) acrylic acid and crotonic acid or salts thereof; maleic acid, itaconic acid, and the like. Dicarboxylic acid-based monomers such as fumaric acid or salts thereof; anhydrides of dicarboxylic acid-based monomers such as maleic acid, itaconic acid, and fumaric acid or salts thereof; and the like.
  • Examples of the salt referred to here include alkali metal salts, alkaline earth metal salts, ammonium salts, organic ammonium salts, and organic amine salts.
  • the content ratio of the monocarboxylic acid-based monomer or a salt thereof in the unsaturated carboxylic acid-based monomer represented by the general formula (1) is preferably 30 in that the effect of the present invention can be more exhibited. It is from mass% to 100% by mass, more preferably 50% by mass to 100% by mass, further preferably 70% by mass to 100% by mass, particularly preferably 90% by mass to 100% by mass, and most preferably. Is substantially 100% by mass.
  • alkali metal salt examples include lithium salt, sodium salt, potassium salt and the like.
  • alkaline earth metal salt examples include calcium salt and magnesium salt.
  • organic ammonium salt examples include methylammonium salt, ethylammonium salt, dimethylammonium salt, diethylammonium salt, trimethylammonium salt, triethylammonium salt and the like.
  • organic amine salt examples include ethanolamine salt, diethanolamine salt, triethanolamine salt, monoisopropanolamine salt, diisopropanolamine salt, triisopropanolamine salt, hydroxyethyldiisopropanolamine salt, dihydroxyethylisopropanolamine salt, and tetrakis (dihydroxyethylisopropanolamine salt).
  • alkanolamine salts such as 2-hydroxypropyl) ethylenediamine and pentax (2-hydroxypropyl) diethylenetriamine.
  • diisopropanolamine salt preferably diisopropanolamine salt, triisopropanolamine salt, hydroxyethyldiisopropanolamine salt, tetrakis (2-hydroxypropyl) ethylenediamine salt, pentakis (2-hydroxypropyl) diethylenetriamine salt are preferable.
  • Triisopropanolamine salt and hydroxyethyldiisopropanolamine salt are preferable.
  • the unsaturated carboxylic acid-based monomer represented by the general formula (1) is preferably (meth) acrylic acid, maleic acid, or maleic anhydride in that the effects of the present invention can be further exhibited. More preferably, it is acrylic acid or methacrylic acid.
  • R 4 and R 5 represent the same or different hydrogen atoms or methyl groups.
  • R 6 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms.
  • the hydrocarbon group having 1 to 30 carbon atoms include an alkyl group having 1 to 30 carbon atoms (aliphatic alkyl group and alicyclic alkyl group), an alkenyl group having 1 to 30 carbon atoms, and a carbon atom number. Examples thereof include an alkynyl group having 1 to 30 and an aromatic group having 6 to 30 carbon atoms.
  • R 3 is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, more preferably, carbon hydrogen atom or 1 to 12 carbon atoms It is a hydrogen group, more preferably a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms, and particularly preferably a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.
  • AO is an oxyalkylene group having 2 to 18 carbon atoms, preferably an oxyalkylene group having 2 to 8 carbon atoms, and more preferably an oxyalkylene group having 2 to 8 carbon atoms. It is 2 to 4 oxyalkylene groups.
  • the AO is any two or more types selected from an oxyethylene group, an oxypropylene group, an oxybutylene group, an oxystyrene group, etc.
  • the addition form of AO is random addition, block addition, alternate addition, etc. It may be in any form of.
  • the oxyethylene group contains an oxyethylene group as an essential component, and 50 mol% or more of the total oxyalkylene group is an oxyethylene group. It is more preferable that 90 mol% or more of the total oxyalkylene group is an oxyethylene group, and 100 mol% or more of the total oxyalkylene group is particularly preferably an oxyethylene group.
  • n represents the average number of moles of oxyalkylene group represented by AO (sometimes referred to as “chain length”), and is a number from 1 to 500. It is preferably a number of 2 to 200, more preferably a number of 5 to 200, further preferably a number of 8 to 100, particularly preferably a number of 20 to 70, and most preferably a number of 40 to 60. Is the number of.
  • AO sometimes referred to as “chain length”
  • x is an integer of 0 to 2.
  • Examples of the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) include vinyl alcohol, (meth) allyl alcohol, 3-methyl-3-butene-1-ol, and 3-methyl-2.
  • Average alkylene oxide to any of -butene-1-ol, 2-methyl-3-butene-2-ol, 2-methyl-2-butene-1-ol, and 2-methyl-3-butene-1-ol It is a compound in which 1 mol to 500 mol is added, preferably a compound in which an average of 1 mol to 500 mol of alkylene oxide is added to 3-methyl-3-butene-1-ol, and an average of 1 mol to 1 mol to alkylene oxide is added to metallic alcohol. It is a compound to which 500 mol is added.
  • the detergent builder or detergent additive is a structural unit (I) derived from an unsaturated carboxylic acid-based monomer represented by the general formula (1) in the copolymer which is the detergent builder or detergent additive.
  • the content ratio of is 1% by mass to 29% by mass.
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer represented by the general formula (1) in the copolymer for the detergent builder or the detergent additive is preferably 1% by mass or more. It is 28% by mass, more preferably 1% by mass to 27% by mass, further preferably 2% by mass to 25% by mass, and particularly preferably 3% by mass to 25% by mass.
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based monomer represented by the general formula (1) in the detergent builder or the copolymer which is the detergent additive is within the above range, Detergent builders or detergent additives may be obtained that may be better in clay dispersibility, better in compatibility with surfactants, and better in solubilizing power, which is the ability to dissolve fats.
  • the detergent builder or detergent additive is a structural unit derived from an unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) in the copolymer which is the detergent builder or detergent additive.
  • the content ratio of II) is preferably 71% by mass to 99% by mass, more preferably 71% by mass to 98% by mass, still more preferably 75% by mass to 98% by mass, and particularly preferably 75% by mass. % To 97% by mass.
  • the content ratio of the structural unit (II) derived from the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) in the detergent builder or the detergent additive is within the above range.
  • a detergent builder or a detergent additive can be obtained which can be excellent in clay dispersibility, can be excellent in compatibility with a surfactant, and can be excellent in solubilizing power which is the ability to dissolve fats.
  • the detergent builder or detergent additive is a structural unit (I) derived from an unsaturated carboxylic acid-based monomer represented by the general formula (1) in the copolymer which is the detergent builder or additive for detergent.
  • the structural unit (II) derived from the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2) the total content ratio is preferably 50% by mass to 100% by mass, more preferably. It is 70% by mass to 100% by mass, more preferably 90% by mass to 100% by mass, particularly preferably 95% by mass to 100% by mass, and most preferably substantially 100% by mass.
  • the clay dispersibility can be improved, the compatibility with the surfactant can be improved, and the fat content can be improved.
  • Detergent builders or detergent additives may be obtained that may be superior in solubilizing power, which is the ability to dissolve.
  • the copolymer which is a detergent builder or an additive for detergent, has a structural unit (I) derived from an unsaturated carboxylic acid-based monomer represented by the general formula (1) and a non-polymer represented by the general formula (2).
  • structural unit (II) derived from the saturated polyalkylene glycol ether-based monomer it may have a structural unit (III) derived from another monomer (3).
  • Examples of the other monomer (3) include the unsaturated carboxylic acid-based monomer represented by the general formula (1) and the unsaturated polyalkylene glycol ether-based monomer represented by the general formula (2). It is a polymerizable monomer.
  • the other monomer (3) may be only one kind or two or more kinds.
  • any suitable monomer can be adopted as long as the effect of the present invention is not impaired.
  • examples of such other monomer (3) include hydroxyalkyl (meth) acrylates such as hydroxyethyl (meth) acrylate and hydroxypropyl (meth) acrylate; methyl (meth) acrylate and glycidyl (meth) acrylate.
  • Esters of unsaturated monocarboxylic acids such as, and alcohols having 1 to 30 carbon atoms; various (alkoxy) (poly) alkylenes such as polyethylene glycol mono (meth) acrylate and methoxy (poly) ethylene glycol mono (meth) acrylate.
  • Glycol mono (meth) acrylates Half esters of unsaturated dicarboxylic acids such as (anhydrous) maleic acid, fumaric acid, and itaconic acid with alcohols having 1 to 30 carbon atoms; (anhydrous) maleic acid, fumaric acid, itacone. Diesters of unsaturated dicarboxylic acids such as acids and alcohols having 1 to 30 carbon atoms; halfamides of the unsaturated dicarboxylic acids and amines having 1 to 30 carbon atoms; the unsaturated dicarboxylic acids and carbon atoms.
  • Diamides with 1 to 30 amines Diamides with 1 to 30 amines; half esters of alkyl (poly) alkylene glycols with an average of 1 to 500 mol of alkylene oxides with 2 to 18 carbon atoms added to the alcohols and amines and unsaturated dicarboxylic acids.
  • Diesters of alkyl (poly) alkylene glycols obtained by adding an average of 1 to 500 mol of an alkylene oxide having 2 to 18 carbon atoms to the alcohol or amine; the unsaturated dicarboxylic acids and the number of carbon atoms; Half esters of 2 to 18 glycols or polyalkylene glycols having an average addition molar number of 2 to 500 of these glycols; the unsaturated dicarboxylic acids and glycols having 2 to 18 carbon atoms or the average addition moles of these glycols.
  • (Meta) acrylates (Poly) alkylene glycol dimalay such as polyethylene glycol dimalate G: Vinyl sulfonate, (meth) allyl sulfonate, 2-methylpropanesulfonic acid (meth) acrylamide, unsaturated sulfonic acid (salt) such as styrenesulfonic acid; and unsaturated monocarboxylic acid such as methyl (meth) acrylamide.
  • Amides with amines having 1 to 30 carbon atoms Vinyl aromatics such as styrene, ⁇ -methylstyrene and vinyltoluene; Alcandiol mono (meth) acrylates such as 1,4-butanediol mono (meth) acrylate Dienes such as butadiene and isoprene; unsaturated amides such as (meth) acrylic (alkyl) amides, N-methylol (meth) acrylamides, N, N-dimethyl (meth) acrylamides; unsaturated amides such as (meth) acrylonitrile Cyanides; unsaturated esters such as vinyl acetate; unsaturated amines such as aminoethyl (meth) acrylate, dimethylaminoethyl (meth) acrylate, vinyl pyridine; divinyl aromatics such as divinylbenzene; (meth) Allyls such as allyl alcohol and glycidy
  • the content ratio of the structural unit (III) derived from the other monomer (3) in the copolymer which is the detergent builder or the detergent additive is preferably 0% by mass. % To 50% by mass, more preferably 0% by mass to 40% by mass, further preferably 0% by mass to 30% by mass, particularly preferably 0% by mass to 20% by mass, and most preferably. It is 0% by mass to 10% by mass. If the content ratio of the structural unit (III) derived from the other monomer (3) in the detergent builder or the copolymer which is the detergent additive is within the above range, the clay dispersibility can be improved and the surface activity can be improved. Detergent builders or detergent additives may be obtained that may be superior in compatibility with the agent and in solubilizing power, which is the ability to dissolve fats.
  • the content ratio of various structural units in the copolymer can be known, for example, by various structural analyzes of the copolymer (for example, NMR). Further, it may be calculated based on the content ratio of various monomers used in producing the copolymer without performing various structural analyzes as described above. In this case, the reaction rate may be considered if necessary.
  • the polyethylene glycol-equivalent weight average molecular weight (Mw) obtained by gel permeation chromatography of a detergent builder or a copolymer as a detergent additive is preferably 13,000 or more, more preferably 13,000. It is ⁇ 200,000, more preferably 14,000 to 170,000, further preferably 15,000 to 130,000, still more preferably 18,000 to 120,000, still more preferably 20. It is 000 to 110,000, more preferably 23,000 to 100,000, particularly preferably 25,000 to 100,000, and most preferably 28,000 to 100,000.
  • the clay dispersibility can be improved and the surface activity can be improved.
  • Detergent builders or detergent additives may be obtained that may be superior in compatibility with the agent and in solubilizing power, which is the ability to dissolve fats.
  • the builder for detergent or the copolymer which is an additive for detergent is obtained by copolymerizing with persulfate as a polymerization initiator.
  • a detergent builder or a detergent additive copolymer with persulfate as a polymerization initiator By copolymerizing a detergent builder or a detergent additive copolymer with persulfate as a polymerization initiator, it is possible to obtain excellent clay dispersibility, excellent compatibility with a surfactant, and fat.
  • Detergent builders or detergent additives may be obtained that may be superior to the solubilizing power, which is the ability of the minutes to dissolve.
  • the persulfate that can be used as the polymerization initiator may be only one type or two or more types.
  • persulfate examples include ammonium persulfate, sodium persulfate, potassium persulfate and the like.
  • any other suitable polymerization initiator is used as long as the effect of the present invention is not impaired. It may be used in combination with sulfate.
  • the other polymerization initiator may be only one kind or two or more kinds.
  • polymerization initiators examples include hydrogen peroxide; 2,2'-azobis (2-amidinopropane) hydrochloride, 4,4'-azobis-4-cyanopalelic acid, and azobisisobutyronitrile. , 2,2'-Azobis (4-methoxy-2,4-dimethylvaleronitrile) and other azo compounds; benzoyl peroxide, lauroyl peroxide, peracetic acid, dit-butyl peroxide, cumene hydroperoxide, etc. Organic peroxides; etc.
  • the content of persulfate in the total amount of the polymerization initiator used to obtain the builder for detergent or the copolymer which is an additive for detergent is preferably 80% by mass to 100% by mass, and more preferably 85. It is from mass% to 100% by mass, more preferably 90% by mass to 100% by mass, particularly preferably 95% by mass to 100% by mass, and most preferably substantially 100% by mass.
  • the amount of the polymerization initiator used to obtain the builder for detergent or the copolymer as an additive for detergent may be any appropriate amount as long as the copolymerization of the monomer component can be initiated. .. Such an amount is preferably 0.1 mol to 30 mol, more preferably 0.1 mol to 20 mol, still more preferably 0.1 mol, based on 100 mol of the total monomer component. ⁇ 10 mol.
  • the polymerization initiator may be used in combination with a reducing agent.
  • the reducing agent may be only one kind or two or more kinds.
  • Examples of the reducing agent include ascorbic acid, ascorbic acid salt, erythorbic acid, erythorbic acid salt, ascorbic acid ester, formic acid, formate, oxalic acid, oxalate, and hydroquinone.
  • the "salt" here is a carboxyl group salt represented by COOM, and M is a hydrogen atom, a metal atom, an ammonium group (consisting of an ammonium salt), or an organic amino group (consisting of an organic amine salt). is there.
  • Examples of the metal atom include alkali metals such as sodium and potassium, alkaline earth metals such as calcium, and transition metals such as iron.
  • the organic amine salt examples include primary to quaternary amine salts such as methylamine salt, n-butylamine salt, monoethanolamine salt, dimethylamine salt, diethanolamine salt, morpholine salt and trimethylamine salt.
  • the reducing agent is preferably ascorbic acid, ascorbic acid salt, erythorbic acid, or erythorbic acid salt, and more preferably L-ascorbic acid or L-ascorbic acid salt.
  • an inorganic compound reducing agent may be used as the reducing agent.
  • the reducing agent for the inorganic compound include heavy metal ions (heavy metal salts).
  • heavy metal ions include ions such as iron, cobalt, manganese, chromium, molybdenum, tungsten, copper, silver, gold, lead, platinum, iridium, osmium, palladium, rhodium, and ruthenium; sodium sulfite.
  • Sulfites such as sodium; Heavy sulfites such as sodium hydrogen sulfite; Dithionate such as sodium dithionite; Hypophosphorous acid such as sodium hypophosphate; Hypophosphates such as sodium bisulfite; Boron Compounds; and the like.
  • the clay dispersibility can be improved, the compatibility with the surfactant can be improved, and the solubilizing power, which is the ability to dissolve fats, can be improved.
  • the solubilizing power which is the ability to dissolve fats, can be improved.
  • detergent builders or detergents. Additives can be obtained.
  • the amount of the reducing agent used is preferably 0 mol to 20 mol, more preferably 0 mol to 15 mol, still more preferably 0.1 mol to 10 mol, based on 100 mol of the total monomer component. is there.
  • the clay dispersibility can be improved, the compatibility with the surfactant can be improved, and the solubilizing power, which is the ability to dissolve fats, can be improved.
  • Detergents can be obtained.
  • the builder for detergent or the copolymer as an additive for detergent can be produced by any suitable method as long as persulfate is used as a polymerization initiator.
  • the copolymer which is a detergent builder or a detergent additive, can be preferably produced by copolymerizing a monomer component containing each monomer with a persulfate as a polymerization initiator.
  • the amount of the glycol ether-based monomer and, if necessary, the other monomer (3) used is each unit in the total structural unit constituting the copolymer for the detergent builder or the detergent additive. It may be appropriately adjusted so that the ratio of the structural unit derived from the polymer is as described above.
  • the polymerization reaction proceeds quantitatively, at the same ratio as the ratio of the structural units derived from each monomer in the total structural units constituting the above-mentioned detergent builder or the copolymer which is an additive for detergent.
  • Each monomer may be used.
  • Copolymerization of monomer components can be performed by any suitable method.
  • solution polymerization and bulk polymerization can be mentioned, and solution polymerization is preferable.
  • solution polymerization method include batch type and continuous type.
  • Solvents that can be used in solution polymerization include water; alcohols such as methyl alcohol, ethyl alcohol, isopropyl alcohol, propylene glycol, 2- (2-butoxyethoxy) ethanol; benzene, toluene, xylene, cyclohexane, n-hexane and the like.
  • Aromatic or aliphatic hydrocarbons include ester compounds such as ethyl acetate; ketone compounds such as acetone and methyl ethyl ketone; cyclic ether compounds such as tetrahydrofuran and dioxane; and the like.
  • the solvent used is water, and the content ratio of water in the solvent used is more preferably 70% by mass to 100% by mass. It is more preferably 90% by mass to 100% by mass, particularly preferably 95% by mass to 100% by mass, and most preferably substantially 100% by mass.
  • the amount of the solvent used is preferably 20% by mass to 500% by mass, and more preferably 50% by mass to 300% by mass with respect to 100% by mass of the monomer component.
  • a chain transfer agent may be used in the production of a detergent builder or a copolymer which is a detergent additive.
  • the chain transfer agent may be only one kind or two or more kinds.
  • any suitable chain transfer agent can be adopted as long as it is a compound capable of adjusting the molecular weight, as long as the effects of the present invention are not impaired.
  • a chain transfer agent include mercaptoethanol, thioglycerol, thioglycolic acid, 2-mercaptopropionic acid, 3-mercaptopropionic acid, thioalinic acid, octyl thioglycolate, octyl 3-mercaptopropionate, 2- Thiol-based chain transfer agents such as mercaptoethanesulfonic acid, n-dodecyl mercaptan, octyl mercaptan, butyl thioglycolate; halides such as carbon tetrachloride, methylene chloride, bromoform, bromotrichloroethane; halogenated products such as isopropanol and glycerin.
  • the amount of the chain transfer agent that can be used to obtain the detergent builder or the copolymer that is the detergent additive may be any appropriate amount as long as the monomer component polymerizes well. .. Such an amount is preferably 0 mol to 30 mol, more preferably 0 mol to 25 mol, and further preferably 0, based on 100 mol of the amount of the monomer (total monomer) used. It is 3 to 20 mol, most preferably 0.5 to 10 mol.
  • heavy metal ions may be used as a reaction accelerator.
  • the heavy metal ion may be only one kind or two or more kinds.
  • the heavy metal ion used as a reaction accelerator means a metal having a specific gravity of 4 g / cm 3 or more.
  • Examples of such heavy metal ions include iron, cobalt, manganese, chromium, molybdenum, tungsten, copper, silver, gold, lead, platinum, iridium, osmium, palladium, rhodium, ruthenium and the like.
  • the heavy metal ion is preferably iron.
  • the amount of heavy metal ions that can be used to obtain a detergent builder or a copolymer as a detergent additive is preferably 0.1 ppm to 10 ppm with respect to the total mass of the polymerization reaction solution at the completion of the polymerization reaction. ..
  • the reaction temperature at the time of copolymerization of the monomer components is appropriately determined depending on the polymerization method, solvent, polymerization initiator, chain transfer agent, etc. used.
  • Such a reaction temperature is preferably 0 ° C. or higher, more preferably 30 ° C. or higher, further preferably 50 ° C. or higher, and preferably 150 ° C. or lower, more preferably 120 ° C. or lower. It is more preferably 100 ° C. or lower.
  • the copolymerization time at the time of copolymerization of the monomer components is preferably 30 minutes to 800 minutes, more preferably 60 minutes to 700 minutes, and further preferably 120 to 500 minutes.
  • the pressure in the reaction system during copolymerization of the monomer components may be under normal pressure (atmospheric pressure), under reduced pressure, or under pressure, and may be a combination of two or more of these. Good.
  • the atmosphere in the reaction system during the copolymerization of the monomer components may be an air atmosphere or an inert atmosphere.
  • the atmosphere in the reaction system during the copolymerization of the monomer components is preferably an inert atmosphere in which the inside of the system is replaced with an inert gas such as nitrogen before the start of polymerization.
  • any appropriate method can be adopted as the method for charging the monomer component into the reaction vessel.
  • a charging method include a method in which the entire amount is initially charged into the reaction vessel, a method in which the entire amount is divided or continuously charged into the reaction vessel, a part is initially charged into the reaction vessel, and the rest is charged into the reaction vessel.
  • Examples thereof include a method of dividing or continuously feeding. Specifically, a method in which the entire amount of the monomer (a) and the total amount of the monomer (b) are continuously charged into the reaction vessel, and a part of the monomer (a) is initially charged into the reaction vessel.
  • Examples thereof include a method in which the residue of the monomer (a) and the residue of the monomer (b) are alternately charged into the reaction vessel in several batches.
  • the charging mass ratio of each monomer per unit time is continuously or stepwise changed.
  • Two or more kinds of copolymers having different ratios of the structural unit (I) and the structural unit (II) may be synthesized at the same time during the polymerization reaction.
  • the polymerization initiator may be charged into the reaction vessel from the beginning, may be added dropwise to the reaction vessel, or these may be combined depending on the intended purpose.
  • the copolymer which is a detergent builder or a detergent additive, may be used as it is after being obtained by the above-mentioned production method, or the pH of the reaction solution after production may be 5 or more from the viewpoint of handleability. It may be adjusted to. In the latter case, in order to improve the polymerization rate, it is preferable to carry out the copolymerization at a pH of less than 5, and adjust the pH to 5 or more after the copolymerization.
  • the pH can be adjusted, for example, by using an inorganic salt such as a hydroxide or carbonate of a monovalent metal or a divalent metal; an alkaline substance such as ammonia; an organic amine;
  • the concentration of the obtained detergent builder or the copolymer as a detergent additive may be adjusted as necessary.
  • the detergent builder or detergent additive may be a powder detergent builder or a powder detergent additive, or a liquid detergent builder or a liquid detergent additive.
  • the detergent builder or detergent additive is preferably a liquid detergent builder or liquid detergent additive in that the effects of the present invention can be more exhibited.
  • the above-mentioned copolymer disclosed in the present specification can be used as an additive for various detergents.
  • Detergent builders or detergent additives can be used as additives for various detergents.
  • the term "detergent” as used herein is a concept including a cleaning agent, and the field of use is not limited to household, industrial, medical, agricultural, and the like.
  • Detergent additives include, for example, anti-adhesion agents, stain inhibitors, soil release agents, color transfer inhibitors, fabric softeners, solubilizers, fluorescent agents, and foaming agents to prevent re-deposition of contaminants. , Foam stabilizers, polishes, bactericides and the like.
  • the detergent composition according to the embodiment of the present invention is a detergent composition containing a copolymer, and the copolymer is an unsaturated carboxylic acid-based monomer represented by the general formula (1) and a general formula (1).
  • the content ratio of the structural unit (I) derived from the unsaturated carboxylic acid-based polymer is 1% by mass to 29% by mass.
  • R 1 ⁇ R 3 are each independently a hydrogen atom, a methyl group, or - represents a (CH 2) z COOM groups, - (CH 2) z COOM group -COOX group Alternatively, it may form an anhydride with another ⁇ (CH 2 ) z COOM group, z is an integer of 0 to 2, and M is a hydrogen atom, an alkali metal, an alkaline earth metal, an ammonium group, or an organic substance.
  • R 4 and R 5 independently represent a hydrogen atom or a methyl group
  • R 6 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms
  • AO represents a hydrocarbon group.
  • n represents the average number of moles of oxyalkylene group represented by AO
  • n is a number of 1 to 500
  • x is an integer of 0 to 2. Is.
  • detergent composition is used only for specific applications such as synthetic detergents for household detergents, textile industry and other industrial detergents, hard surface cleaners, and bleaching detergents that enhance one of its components.
  • Detergent is also included.
  • the detergent composition may be a powder detergent composition or a liquid detergent composition.
  • the detergent composition is preferably a liquid detergent composition in that the effects of the present invention can be more exhibited.
  • the content ratio of the copolymer in the detergent composition is preferably 0.01% by mass to 10% by mass, more preferably, with respect to the total amount of the detergent composition, from the viewpoint of exhibiting excellent builder performance. Is 0.01% by mass to 8% by mass, more preferably 0.05% by mass to 6% by mass, particularly preferably 0.05% by mass to 5% by mass, and most preferably 0.1% by mass. % To 5% by mass.
  • a detergent builder or a detergent additive As the copolymer contained in the detergent composition, a detergent builder or a detergent additive according to the embodiment of the present invention may be used.
  • the detergent composition may contain a surfactant that is usually used in detergents.
  • a surfactant any suitable surfactant can be adopted as long as the effects of the present invention are not impaired.
  • the surfactant may be only one kind or two or more kinds.
  • the surfactant is typically at least one selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants, and amphoteric surfactants.
  • anionic surfactant examples include alkylbenzene sulfonate, alkyl ether sulfate, alkenyl ether sulfate, alkyl sulfate, alkenyl sulfate, ⁇ -olefin sulfonate, ⁇ -sulfo fatty acid or ester salt, and alkane sulfone.
  • Acid salt saturated fatty acid salt, unsaturated fatty acid salt, alkyl ether carboxylate, alkenyl ether carboxylate, amino acid type surfactant, N-acylamino acid type surfactant, alkyl phosphate ester or its salt, alkenyl phosphate Examples include esters or salts thereof.
  • the alkyl group and alkenyl group that the anionic surfactant may have may have an alkyl group such as a methyl group branched.
  • nonionic surfactants include polyoxyalkylene alkyl ethers, polyoxyalkylene alkenyl ethers, polyoxyethylene alkyl phenyl ethers, higher fatty acid alkanolamides or alkylene oxide adducts thereof, sucrose fatty acid esters, alkyl glycolides, and fatty acids. Examples thereof include glycerin monoester and alkylamine oxide.
  • the alkyl group and alkenyl group that the nonionic surfactant may have may have an alkyl group such as a methyl group branched.
  • Examples of the cationic surfactant include a quaternary ammonium salt and the like.
  • the alkyl group and alkenyl group that the cationic surfactant may have may have an alkyl group such as a methyl group branched.
  • amphoteric surfactant examples include a carboxyl type amphoteric surfactant and a sulfobetaine type amphoteric surfactant.
  • alkyl group and alkenyl group that the amphoteric surfactant can have an alkyl group such as a methyl group may be branched.
  • the blending ratio of the surfactant is usually preferably 10% by mass to 70% by mass, more preferably 15% by mass to 60% by mass, and further preferably 18% by mass with respect to the total amount of the detergent composition. It is about 50% by mass, and particularly preferably 20% by mass to 45% by mass. If the blending ratio of the surfactant is too small, sufficient detergency may not be exhibited, and if the blending ratio of the surfactant is too large, the economic efficiency may be lowered.
  • Detergent compositions include ethylene glycol, propylene glycol, butylene glycol, hexylene glycol, glycerin, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol, diethylene glycol monomethyl ether, triethylene glycol monomethyl ether, diethylene glycol.
  • Contains alcohols such as monoethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, tripropylene glycol monomethyl ether, diethylene glycol monobutyl ether, 1-methoxy-2-propanol, 1-ethoxy-2-propanol. May be good.
  • the blending ratio of the alcohol as described above is usually preferably 5% by mass to 40% by mass, more preferably 5% by mass to 35% by mass, and further preferably 5 with respect to the total amount of the detergent composition. It is by mass% to 30% by mass, and particularly preferably 10% by mass to 30% by mass.
  • the detergent composition may contain additives usually used in detergents.
  • any suitable additive can be adopted as long as the effect of the present invention is not impaired.
  • the additive may be only one type or two or more types.
  • Additives include, for example, anti-redeposition agents for preventing re-deposition of contaminants such as sodium carboxymethyl cellulose, stain inhibitors such as benzotriazole and ethylene-thiourea, soil release agents, anti-color transfer agents, and fabric softeners.
  • Agents alkaline substances for pH adjustment, fragrances, solubilizers, fluorescent agents, colorants, foaming agents, foam stabilizers, polishes, bactericides, bleaching agents, bleaching aids, enzymes, dyes, solvents, etc. Can be mentioned.
  • zeolite it is preferable to add zeolite.
  • the detergent composition may include any suitable detergent builder (other than that if the copolymer is used as a detergent builder).
  • suitable detergent builder include alkali builders such as carbonates, bicarbonates and silicates; tripoliphosphate, pyrophosphate, bow glass, nitrilotriacetate, ethylenediaminetetraacetate, citrate, (meth).
  • Chelate builder such as copolymer salt of acrylic acid, acrylic acid-maleic acid copolymer, fumarate, zeolite; carboxyl derivative of polysaccharide such as carboxymethyl cellulose; and the like.
  • the anti-salt used in the above-mentioned other detergent builders include alkali metals such as sodium and potassium, ammonium and amines.
  • the total blending ratio of the additive and the detergent builder is usually 0.1% by mass to 50% by mass, and more preferably 0.2% by mass or more, based on 100% by mass of the cleaning agent composition. It is 40% by mass, more preferably 0.3% by mass to 35% by mass, particularly preferably 0.4% by mass to 30% by mass, and most preferably 0.5% by mass to 20% by mass. .. If the total blending ratio of the additive and the detergent builder is less than 0.1% by mass, sufficient detergent performance may not be exhibited. If the total blending ratio of the additive and the detergent builder exceeds 50% by mass, the economic efficiency may decrease.
  • the amount of water contained in the liquid detergent composition is usually 0.1% by mass to 60% by mass, more preferably 0.1% by mass, based on the total amount of the liquid detergent composition. It is preferably 0.2% by mass to 55% by mass, more preferably 0.5% by mass to 50% by mass, still more preferably 0.7% by mass to 40% by mass, and particularly preferably 1% by mass. It is about 35% by mass, and most preferably 1.5% by mass to 30% by mass.
  • the detergent composition may contain an enzyme.
  • an enzyme examples include protease, lipase, cellulase, amylase and the like.
  • the blending ratio of the enzyme is usually 5% by mass or less with respect to the total amount of the detergent composition.
  • Detergent compositions can usually be produced with the step of blending the copolymer as essential.
  • ⁇ Weight average molecular weight analysis conditions The weight average molecular weight was measured under the following measurement conditions.
  • Equipment Waters Alliance (2695) Analysis software: Waters, Emper Professional + GPC option Column used: Tosoh, TSKgel guard column (inner diameter 6.0 mm x 40 mm) + TSKgel G4000SWXL (inner diameter 7.8 mm x 300 mm) + G3000SWXL (inner diameter 7.8 mm x 300 mm) + G2000SWXL (inner diameter 7.8 mm x 300 mm) Inner diameter 7.8 mm x 300 mm) Detectors: Differential Refractometer (RI) Detector (Waters 2414), Photodiode Array (PDA) Detector (Waters 2996) Eluent: 115.6 g of sodium acetate trihydrate dissolved in a mixed solvent of 10999 g of water and 6001 g of acetonitrile, and the pH was adjusted to 6.0 with acetic acid.
  • GPC standard sample Polyethylene glycol manufactured by GL Science (peak top molecular weight (peak top molecular weight (peak top molecular weight)) Mp) 272500, 219300, 107000, 50000, 24000, 11840, 6450, 4250, 1470)
  • Calibration curve Prepared by a cubic formula using the Mp value of the above polyethylene glycol. Flow rate: 1.0 mL / min Column temperature: 40 ° C Measurement temperature: 40 ° C Measurement time: 45 minutes Sample solution injection volume: 100 ⁇ L (eluent solution with a sample concentration of 0.5% by mass) Standard sample injection volume: 100 ⁇ L (eluent solution with a concentration of 0.1% by mass)
  • Emargen 108 manufactured by Kao Corporation
  • Neoperex G-65 manufactured by Kao Corporation
  • Example 1 An unsaturated flask equipped with a stirrer, a cooling tube, a thermometer, a nitrogen introduction tube, and a dropping funnel with an average of 50 mol of ethylene oxide added to 80% by mass of 3-methyl-3-butene-1-ol.
  • An aqueous solution of polyalkylene glycol ether (MB-50): 221.24 g and ion-exchanged water: 102.9 g were charged, and after nitrogen substitution, the temperature was raised to 58 ° C. with stirring.
  • Example 2 A 500 ml separable flask equipped with a stirrer, a cooling tube, a thermometer, a nitrogen introduction tube, and a dropping funnel was charged with 80% by mass of MB-50 aqueous solution: 202.5 g and ion-exchanged water: 127.6 g to replace nitrogen. After that, the temperature was raised to 69 ° C. with stirring. When the temperature reached a predetermined temperature, 2.88% by mass of APS aqueous solution: 23.75 g, 100% by mass of AA: 7.22 g, and 1.47% by mass of L'As aqueous solution: 12.9 g were added dropwise. ..
  • AA was added dropwise over 450 minutes, and the L'As aqueous solution and the APS aqueous solution were added dropwise over 460 minutes.
  • the mixture was aged at the same temperature for 20 minutes to complete the polymerization, and after the polymerization, a 49% by mass KOH aqueous solution (6.46 g) was added to obtain an aqueous solution of the water-soluble copolymer (2).
  • the weight average molecular weight of the obtained water-soluble copolymer (2) was 50,000, the solid content was 45.4% by mass, and the pH was 7.2.
  • Various evaluations were carried out using the obtained water-soluble copolymer (2) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • Example 3 A 500 ml separable flask equipped with a stirrer, a cooling tube, a thermometer, a nitrogen introduction tube, and a dropping funnel was charged with 80% by mass of MB-50 aqueous solution: 203.8 g and ion-exchanged water: 150.3 g to replace nitrogen. After that, the temperature was raised to 80 ° C. with stirring. When the temperature reached a predetermined temperature, 3.2% by mass of APS aqueous solution: 17.8 g and 100% by mass of AA: 7.0 g were added dropwise. AA was added dropwise over 300 minutes and the APS aqueous solution was added dropwise over 310 minutes.
  • the mixture was aged at the same temperature for 20 minutes to complete the polymerization, and after the polymerization, 1.10 g of a 49% by mass NaOH aqueous solution was added to obtain an aqueous solution of the water-soluble copolymer (3).
  • the weight average molecular weight of the obtained water-soluble copolymer (3) was 37,000, the solid content was 45.5% by mass, and the pH was 5.0.
  • Various evaluations were carried out using the obtained water-soluble copolymer (3) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • Example 4 A glass reaction vessel equipped with a thermometer, a stirrer, a dropping device, a nitrogen introduction tube and a reflux condenser was charged with 81.5 g of ion-exchanged water and 141 g of an 80 mass% MB-50 aqueous solution, and the reaction vessel was stirred. The inside was replaced with nitrogen, and the temperature was raised to 65 ° C. 100% by mass of AA: 22.7 g was added dropwise into the reaction vessel over 5 hours, and at the same time, 8% by mass of NaPS aqueous solution: 13.0 g and 10.3% by mass of MPA aqueous solution: 13.6 g were added. It was dropped over 30 minutes. Then, the temperature was maintained at 65 ° C.
  • Aqueous solution 74 g, 12 mass% NaOH aqueous solution: 20.5 g, 5 mass% sodium persulfite (NaPS) aqueous solution: 26.9 g, 3 mass% sodium bisulfite (SBS) aqueous solution: 13.5 g, respectively.
  • the AA aqueous solution and the NaOH aqueous solution were added dropwise over 180 minutes, the MB-10 aqueous solution was added dropwise over 110 minutes, the NaPS aqueous solution was added dropwise over 220 minutes, and the SBS aqueous solution was added dropwise over 210 minutes.
  • the polymer was aged at the same temperature for 30 minutes to complete the polymerization, and after the polymerization, 36 g of a 49% by mass NaOH aqueous solution was added to obtain a water-soluble copolymer (C1).
  • the weight average molecular weight of the obtained water-soluble copolymer (C1) was 90500, and the solid content was 44.1% by mass.
  • Various evaluations were carried out using the obtained water-soluble copolymer (C1) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • the polymer was aged at the same temperature for 30 minutes to complete the polymerization, and after the polymerization, 15.6 g of a 49% by mass NaOH aqueous solution was added to obtain a water-soluble copolymer (C2).
  • the weight average molecular weight of the obtained water-soluble copolymer (C2) was 77400, and the solid content was 25.9% by mass.
  • Various evaluations were carried out using the obtained water-soluble copolymer (C2) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • the polymer was aged at the same temperature for 30 minutes to complete the polymerization, and after the polymerization, 15.5 g of a 49% by mass NaOH aqueous solution was added to obtain a water-soluble copolymer (C3).
  • the weight average molecular weight of the obtained water-soluble copolymer (C3) was 132,000, and the solid content was 25.9% by mass.
  • Various evaluations were carried out using the obtained water-soluble copolymer (C3) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • the weight average molecular weight of the obtained water-soluble copolymer (C4) was 23,700, and the solid content was 30.7% by mass.
  • Various evaluations were carried out using the obtained water-soluble copolymer (C4) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • the AA aqueous solution was added dropwise over 180 minutes, the MB-10 aqueous solution was added dropwise over 110 minutes, and the V-50 aqueous solution was added dropwise over 210 minutes.
  • the polymer was aged at the same temperature for 30 minutes to complete the polymerization, and after the polymerization, 18.6 g of a 49% by mass NaOH aqueous solution was added to obtain a water-soluble copolymer (C5).
  • the weight average molecular weight of the obtained water-soluble copolymer (C5) was 36,800, and the solid content was 23.9% by mass.
  • Various evaluations were carried out using the obtained water-soluble copolymer (C5) as a detergent builder or a detergent additive. The results are shown in Table 2.
  • Detergent builders or detergent additives according to embodiments of the present invention can be used in various detergent compositions.

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Abstract

L'invention fournit un adjuvant pour détergent ou un additif pour détergent qui se révèle excellent en termes de propriétés de dispersion d'argile, de compatibilité avec un agent tensio-actif, et de puissance de solubilisation, c'est-à-dire capacité de dissolution d'une graisse. En outre, l'invention fournit une composition de détergent qui contient un copolymère pouvant être mis en œuvre de manière appropriée dans un tel adjuvant pour détergent ou additif pour détergent.　L'adjuvant pour détergent ou l'additif pour détergent de l'invention consiste en un copolymère qui est obtenu par copolymérisation avec un persulfate en tant qu'initiateur de polymérisation d'un composant monomère contenant un monomère à base d'acide carboxylique insaturé représenté par une formule générale spécifique, et un monomère à base d'éther de polyalkylène glycol insaturé représenté par une formule générale spécifique. La proportion de teneur en unité structurale dérivée du monomère à base d'acide carboxylique insaturé, est comprise entre 1 et 29% en masse.
PCT/JP2020/013828 2019-03-29 2020-03-26 Adjuvant pour détergent ou additif pour détergent, et composition de détergent WO2020203693A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002060785A (ja) * 2000-08-22 2002-02-26 Nippon Shokubai Co Ltd 液体洗剤用ビルダーおよび液体洗剤組成物
JP2010285556A (ja) * 2009-06-12 2010-12-24 Kao Corp 衣料洗剤用高分子ビルダー

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002060785A (ja) * 2000-08-22 2002-02-26 Nippon Shokubai Co Ltd 液体洗剤用ビルダーおよび液体洗剤組成物
JP2010285556A (ja) * 2009-06-12 2010-12-24 Kao Corp 衣料洗剤用高分子ビルダー

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