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
  • C11D1/12—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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
• • 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
  • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
• • 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
  • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
  • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
• • 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
  • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
  • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
  • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
  • C11D17/043—Liquid or thixotropic (gel) compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2003—Alcohols; Phenols
  • C11D3/2065—Polyhydric 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2068—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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/22—Carbohydrates or derivatives thereof
• • 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
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
  • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
  • D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
• • C11D2111/12—

Definitions

• the present invention relates to a liquid detergent for textile products and a liquid detergent product in a container.
• Priority is claimed on Japanese Patent Application No. 2018-168016, filed Sep. 7, 2018, the content of which is incorporated herein by reference.
• Patent Literature 1 discloses that a liquid detergent containing a specific nonionic surfactant (polyoxyethylene alkyl ether having an average number of moles of added oxyethylene groups of 5 to 8) is applied to darkening stains caused by sebum, and is then treated for 5 minutes. An example is described in which washing is carried out with a washing liquid containing a powder detergent after standing.
• a specific nonionic surfactant polyoxyethylene alkyl ether having an average number of moles of added oxyethylene groups of 5 to 8
• Patent Document 2 discloses that a liquid detergent containing a specific nonionic surfactant (polyoxyethylene alkyl ether having an average number of moles of added oxyethylene groups of 2 to 50) is applied to black tea stains and then washed with water. An example of washing is described.
• a specific nonionic surfactant polyoxyethylene alkyl ether having an average number of moles of added oxyethylene groups of 2 to 50
• Patent Documents 1 and 2 are not always sufficient, and further improvement in detergency is required.
• the inventors of the present invention expected to improve the detergency and extended the standing time from application of the liquid cleaning agent of Patent Document 1 to the soiled portion to washing, and the soiled portion spread more than before washing. I knew it would go wrong. Therefore, in the case of a conventional liquid cleaning agent, it is necessary to immediately perform a cleaning process after applying the liquid to a soiled portion. Further, the liquid detergent is required to have stability (liquid stability) that can maintain a liquid state.
• the present invention provides a liquid detergent for textiles which has good liquid stability, excellent detergency, and an excellent effect of suppressing the spread of dirt when applied to an object to be washed and left standing (prevention of dirt spread).
• the purpose is to provide liquid cleaning products in containers.
• the present invention has the following aspects.
• the component (A) comprises only the following LAS
• the content of LAS is more than 15% by mass relative to the total mass of the liquid detergent for textiles
• the content of the component (B) is 3 to 20% by mass relative to the total mass of the textile product liquid detergent
• the content of the following component (C) is less than 5% by mass relative to the total mass of the liquid detergent for textiles
• the content of the following component (D) is less than 10% by mass relative to the total mass of the textile product liquid detergent
• the total mass of the surfactant (excluding soap) is 30% by mass or less based on the total mass of the liquid detergent for textiles
• a liquid detergent for textiles wherein the mass ratio represented by the component (A) / the component (B) is 0.2 to 5.
• Component (A) polyoxyalkylene alkyl ether sulfuric acid or salt thereof, ⁇ -olefin sulfonic acid or salt thereof (AOS), alkyl sulfate ester or salt thereof (AS), linear alkylbenzene sulfonic acid or salt thereof (LAS), internal At least one member selected from the group consisting of olefinic sulfonic acid or a salt thereof (IOS) and hydroxy compound (HAS) and alkanesulfonic acid or a salt thereof (SAS).
• Component (B) sugar alcohol.
• Component (C) a compound represented by the following general formula (c-1).
• R 2 is a hydrocarbon group having 6 to 22 carbon atoms
• R 3 is a hydrogen atom, an alkyl group or an alkenyl group
• EO is an oxyethylene group
• PO is an oxypropylene group.
• s represents the average number of repetitions of EO and is a number from 3 to 15
• t represents the average number of repetitions of PO and is a number from 0 to 6.
• the component (A) is a polyoxyalkylene alkyl ether sulfate or a salt thereof, and the mass ratio represented by the component (A) / the component (B) is 0.2 to 5.
• Liquid cleaning agent [3] The liquid detergent for textiles according to [1] or [2], wherein the component (B) is at least one of glycerin and sorbitol. [4] The liquid detergent for textile products according to any one of [1] to [3], further comprising the following component (E). (E) Ingredient: soap.
• R 1 is a linear or branched alkyl group having 8 to 20 carbon atoms
• EO is an oxyethylene group
• PO is an oxypropylene group
• k is Represents the average number of repetitions, which is a number of 0 or more
• n represents the average number of repetitions of PO, is a number from 0 to 6
• M + is a counter cation.
• R 1 is a linear alkyl group having 12 and 14 carbon atoms
• k is 1
• n is 0, and M is sodium.
• the content of the surfactant (other surfactant) other than the component (A) and the component (C) is 10% by mass or less based on the total mass of the liquid detergent for textiles.
• a liquid detergent for textiles and a liquid detergent in a container having excellent liquid stability, excellent detergency, and an excellent effect of suppressing the spread of dirt when left on after being applied to an object to be washed.
• the textile product to be washed is also referred to as a “substance to be washed”.
• liquid detergent ( ⁇ ) is a composition containing the following components (A) and (B).
• the liquid detergent ( ⁇ ) may optionally further contain one or more of the following components (C), (D), (E) and water.
• Component (A) includes polyoxyalkylene alkyl ether sulfuric acid or a salt thereof, ⁇ -olefin sulfonic acid or a salt thereof (AOS), alkyl sulfate or a salt thereof (AS), linear alkylbenzene sulfonic acid or a salt thereof (LAS), It is at least one member selected from the group consisting of olefin (IOS) and hydroxy (HAS) of internal olefinsulfonic acid or a salt thereof and alkanesulfonic acid or a salt thereof (SAS).
• polyoxyalkylene alkyl ether sulfate or a salt thereof is preferable.
• Examples of the polyoxyalkylene alkyl ether sulfate include a compound represented by the following general formula (a-1) (hereinafter, referred to as “compound (a-1)”).
• compound (a-1) a compound represented by the following general formula (a-1)
• a-1 R 1 is a linear or branched alkyl group having 8 to 20 carbon atoms
• EO is an oxyethylene group
• PO is an oxypropylene group
• k is Represents the average number of repetitions, which is a number of 0 or more
• n represents the average number of repetitions of PO, is a number from 0 to 6
• M + is a counter cation.
• R 1 is preferably a linear or branched alkyl group having 10 to 20 carbon atoms, and more preferably a linear or branched alkyl group having 12 to 14 carbon atoms.
• k is preferably 0 to 5, more preferably 0.1 to 2, still more preferably 0.5 to 2, and particularly preferably 0.5 to 1.5.
• n is preferably from 0 to 3, and more preferably 0.
• k + n is preferably a number greater than 0, more preferably 1 to 5.
• Examples of a method of adding EO and PO in a block shape include a method of introducing propylene oxide after introducing ethylene oxide, and a method of introducing ethylene oxide after introducing propylene oxide.
• the addition mole number distribution of ethylene oxide and propylene oxide is not particularly limited.
• Examples of the salts of polyoxyalkylene alkyl ether sulfates include alkali metal salts with sodium, potassium and the like, alkaline earth metal salts with magnesium and the like, alkanolamine salts with monoethanolamine, diethanolamine and the like.
• AOS preferably has 8 to 24 carbon atoms.
• the AS preferably has 8 to 20 carbon atoms.
• the LAS preferably has an alkyl group having 8 to 18 carbon atoms.
• IOS and HAS each preferably have 8 to 24 carbon atoms.
• SAS preferably has 8 to 20 carbon atoms. ⁇ -olefin sulfonic acid salt, alkyl sulfate salt, linear alkyl benzene sulfonic acid salt, internal olefin sulfonic acid salt, alkane sulfonic acid salt, such as alkali metal salts with sodium, potassium, etc., magnesium, etc. And alkanolamine salts with monoethanolamine, diethanolamine and the like.
• the component (A) As the component (A), a commercially available product may be used, or it may be manufactured by a known synthesis method. When the component (A) is produced by a known synthesis method, the component (A) can be produced by a method of reacting polyoxyalkylene alkyl ether with sulfuric anhydride or a method of reacting chlorosulfonic acid.
• the component (A) contained in the liquid detergent ( ⁇ ) may be one type or two or more types.
• the content of the component (A) is preferably at least 4% by mass, more preferably at least 5% by mass, further preferably at least 7% by mass, particularly preferably at least 10% by mass, based on the total mass of the liquid detergent ( ⁇ ). preferable. Further, the content of the component (A) is preferably 25% by mass or less, more preferably 20% by mass or less, even more preferably 17% by mass or less, based on the total mass of the liquid detergent ( ⁇ ). The content of the component (A) is preferably 4 to 25% by mass, more preferably 5 to 25% by mass, still more preferably 7 to 25% by mass, based on the total mass of the liquid detergent ( ⁇ ). % Is particularly preferred and 10 to 17% by weight is most preferred.
• the content of the component (A) is equal to or more than the lower limit of the above range, the spread of stains (particularly, the spread of stains against oil stains) and the detergency are excellent.
• the content of the component (A) is equal to or less than the upper limit of the above range, excellent usability and foaming prevention during washing are obtained.
• the component (A) consists only of LAS
• the content of LAS is more than 15% by mass, preferably 20% by mass or more based on the total mass of the liquid detergent ( ⁇ ).
• the content of LAS with respect to the total mass of the liquid detergent ( ⁇ ) is more than 15% by mass, preferably 25% by mass or less, more preferably 20 to 25% by mass.
• the component (B) is a sugar alcohol.
• “Sugar alcohol” refers to a polyhydric alcohol in which an aldehyde group and a ketone group of a sugar are reduced to an alcohol group.
• the sugar alcohol include glycerin, diglycerin, polyglycerin, sorbitol, erythritol, xylitol, sorbitol (D-sorbitol), mannitol, maltitol, trehalose and the like. Among these, glycerin and sorbitol are preferable from the viewpoint of further improving the detergency.
• the component (B) contained in the liquid detergent ( ⁇ ) may be one type, or two or more types.
• the content of the component (B) is 3% by mass or more, preferably more than 3% by mass, more preferably 4% by mass or more, still more preferably 5% by mass or more, based on the total mass of the liquid detergent ( ⁇ ). , 7% by mass or more is particularly preferred.
• the content of the component (B) is 20% by mass or less, preferably 17% by mass or less, more preferably 15% by mass or less, based on the total mass of the liquid detergent ( ⁇ ).
• the content of the component (B) is 3 to 20% by mass, preferably 4 to 20% by mass, more preferably 5 to 20% by mass, and 7 to 20% by mass based on the total mass of the liquid detergent ( ⁇ ).
• % Is more preferable 7 to 17% by mass is particularly preferable, and 10 to 15% by mass is most preferable.
• the content of the component (B) is at least the lower limit of the above range, the detergency will be further improved, and when it is at most the upper limit, the spread of stains and the usability will be excellent.
• the mass ratio (A / B ratio) represented by the component (A) / the component (B) is 0.2 or more, preferably 0.5 or more, and more preferably 0.75 or more.
• the A / B ratio is 5 or less, preferably 3 or less, more preferably 2 or less.
• the A / B ratio is from 0.2 to 5, preferably from 0.5 to 3, and more preferably from 0.75 to 2.
• the A / B ratio is 0.2 or more, preferably 0.5 or more, and more preferably 0.75 or more.
• the A / B ratio is 5 or less, preferably 3 or less, more preferably 2 or less.
• the A / B ratio is from 0.2 to 5, preferably from 0.5 to 3, and more preferably from 0.75 to 2.
• the component (C) is a compound represented by the following general formula (c-1) (hereinafter, referred to as “compound (c-1)”).
• compound (c-1) a compound represented by the following general formula (c-1) (hereinafter, referred to as “compound (c-1)”).
• R 2 is a hydrocarbon group having 6 to 22 carbon atoms
• R 3 is a hydrogen atom, an alkyl group or an alkenyl group
• EO is an oxyethylene group
• PO is an oxypropylene group.
• s represents the average number of repetitions of EO and is a number from 3 to 15
• t represents the average number of repetitions of PO and is a number from 0 to 6.
• the hydrocarbon group as R 2 may be saturated or unsaturated.
• R 2 a linear or branched alkyl group or alkenyl group is preferable, and an alkyl group is more preferable.
• the carbon number of R 2 is preferably from 8 to 22, more preferably from 10 to 18, and even more preferably from 12 to 16.
• the carbon number of the alkyl group in R 3 is preferably from 1 to 6, more preferably from 1 to 3.
• the carbon number of the alkenyl group in R 3 is preferably 2 to 6, more preferably 2 to 3.
• s is preferably from 7 to 15, and more preferably from 12 to 15.
• t is preferably from 0 to 3, more preferably from 0 to 1.
• s + t is a number greater than 0, preferably 5 to 20.
• the content of the component (C) is preferably small from the viewpoint of suppressing the spread of stains when the liquid detergent ( ⁇ ) is applied to the textile and left to stand. Specifically, the content of the component (C) is preferably less than 5% by mass based on the total mass of the liquid detergent ( ⁇ ). That is, the liquid detergent ( ⁇ ) does not contain the component (C), or the content of the component (C) is more than 0% by mass and less than 5% by mass based on the total mass of the liquid detergent ( ⁇ ). Is preferred.
• the content of the component (C) is more preferably 1% by mass or less, further preferably less than 1% by mass, particularly preferably 0.5% by mass or less, and most preferably 0.1% by mass or less.
• the liquid detergent ( ⁇ ) may include one or more other surfactants that do not correspond to any of the component (A) and the component (C).
• Other surfactants include anionic surfactants other than the component (A) (excluding the component (E) (soap) described later), nonionic surfactants other than the component (C), cationic surfactants, amphoteric surfactants Surfactants and amine oxide surfactants. These can use a known surfactant in a liquid detergent.
• the content of the other surfactant is preferably 25% by mass or less based on the total mass of the liquid detergent ( ⁇ ).
• nonionic surfactant other than the component (C) examples include a compound represented by the following general formula (c-2) (hereinafter, referred to as “compound (c-2)”).
• compound (c-2) a compound represented by the following general formula (c-2)
• R 4 is a hydrocarbon group having 6 to 22 carbon atoms
• R 5 is a hydrogen atom, an alkyl group or an alkenyl group
• EO is an oxyethylene group
• PO is an oxypropylene group.
• p represents the average number of EO repeats
• q represents the average number of repeats of PO
• r represents the average number of repeats of EO
• the sum of p and r is a number of 16 or more
• q is 0 to It is a number of ten.
• p and q are not 0, that is, when the compound (c-2) has both EO and PO, in [(EO) p / (PO) q ], EO and PO are added in a block form. Or may be added at random.
• the content of the compound (c-2) is preferably 25% by mass or less based on the total mass of the liquid detergent ( ⁇ ).
• the total mass of the surfactant (excluding the component (E) (soap) described later) is 30% by mass or less with respect to the total mass of the liquid detergent ( ⁇ ), preferably 4 to 30% by mass, more preferably 5 to 30% by mass. 30% by mass is more preferable, 5 to 25% by mass is more preferable, and 5 to 20% by mass is particularly preferable.
• the total mass of the surfactant is equal to or more than the lower limit of the above range, the detergency and the dirt spread prevention property are excellent.
• the total mass of the surfactant is equal to or less than the upper limit of the above range, excellent usability and foaming prevention during washing are obtained. Also, it has excellent liquid stability.
• the “total mass of the surfactant” refers to the total mass of the component (A), the component (C), and other surfactants.
• the content of the other surfactant is preferably 25% by mass or less, more preferably 10% by mass or less, still more preferably 5% by mass or less, and preferably 1% by mass or less, based on the total mass of the liquid detergent ( ⁇ ). Particularly preferred.
• the content of other surfactants may be zero.
• the content of the component (A) is preferably 40% by mass or more, more preferably 50% by mass or more, still more preferably 70% by mass or more, particularly preferably 80% by mass or more, based on the total mass of the surfactant. It is most preferably at least 100% by mass, and most preferably 100% by mass.
• the content of the polyoxyalkylene alkyl ether sulfuric acid or a salt thereof is preferably 40% by mass or more based on the total mass of the surfactant. % By mass or more, more preferably 70% by mass or more, particularly preferably 80% by mass or more, most preferably 90% by mass or more, and very preferably 100% by mass.
• the mass ratio (total surfactant / C ratio) represented by the total surfactant / (C) component is preferably 5 or more, more preferably 10 or more, and even more preferably 15 or more. If it is not less than the lower limit of the above range, it is more excellent in preventing the spread of dirt.
• all surfactants refers to all surfactants (excluding the component (E) (soap) described later) contained in the liquid detergent ( ⁇ ).
• the total surfactant / C ratio is preferably 80 or less, more preferably 70 or less, further preferably 50 or less, and particularly preferably 30 or less.
• the component (D) is citric acid.
• citric acid any of the citric acids used in general liquid detergents can be used.
• the content of the component (D) is less than 10% by mass based on the total mass of the liquid detergent ( ⁇ ). That is, the liquid detergent ( ⁇ ) does not contain the component (D), or the content of the component (D) is more than 0% by mass and less than 10% by mass based on the total mass of the liquid detergent ( ⁇ ). An embodiment is mentioned.
• the content of the component (D) is more preferably 5% by mass or less, further preferably 3% by mass or less, and particularly preferably 2% by mass or less.
• the content of the component (D) is at most the upper limit of the above range, the liquid stability will be excellent.
• the liquid detergent ( ⁇ ) contains the component (D)
• the content is preferably 0.1% by mass or more, more preferably 0.4% by mass or more.
• the viscosity of the liquid detergent ( ⁇ ) can be easily adjusted so as to maintain the liquid stability and to have a viscosity excellent in usability.
• the component (E) is a soap.
• the soap any of the soaps used in general liquid detergents can be used. Among them, higher fatty acids having 10 to 20 carbon atoms and salts thereof are preferable, and higher fatty acids having 12 to 18 carbon atoms and salts thereof are more preferable.
• the higher fatty acid constituting the soap may be a saturated fatty acid, an unsaturated fatty acid, or a mixture of a saturated fatty acid and an unsaturated fatty acid.
• Examples of the higher fatty acids include stearic acid, linoleic acid, oleic acid, and coconut fatty acids.
• higher fatty acid salts include alkali metal salts with sodium and potassium, alkaline earth metal salts with magnesium and the like, and alkanolamine salts with monoethanolamine and diethanolamine.
• the content of the component (E) is preferably 0.1% to 3.0% by mass, more preferably 0.2% to 2.0% by mass, and more preferably 0.5% to 2.0% by mass based on the total mass of the liquid detergent ( ⁇ ). 1.5 mass% is more preferred.
• content of the component (E) is at least the lower limit of the above range, foaming prevention during washing is excellent, and when it is at most the upper limit of the above range, liquid stability is excellent.
• the liquid detergent ( ⁇ ) preferably contains water.
• the water content is preferably at least 30% by mass, more preferably at least 50% by mass, based on the total mass of the liquid detergent ( ⁇ ).
• the content of water is at least the lower limit of the above range, it is excellent in usability and foaming prevention during washing.
• the liquid detergent ( ⁇ ) can be easily prepared. Also, it has excellent liquid stability. Further, when the liquid detergent ( ⁇ ) is applied to the textile, the liquid detergent ( ⁇ ) is easily sprinkled on the textile.
• the content of water is preferably 90% by mass or less, more preferably 85% by mass or less, based on the total mass of the liquid detergent ( ⁇ ).
• the liquid detergent ( ⁇ ) may contain, as an optional component, a component known in the liquid detergent field in addition to the components (A) to (E), other surfactants, and water.
• the optional component include an organic solvent other than the component (B), an organic acid other than the component (D), an antifoaming agent, a metal ion scavenger (chelating agent), an enzyme, an alkali agent, a pH adjuster, and an antioxidant. , Preservatives, antibacterial agents, texture improvers, dye transfer inhibitors, re-staining inhibitors, pearlescent agents, soil release agents, dispersants, hydrotropes, flavoring agents, coloring agents, emulsifiers, fluorescent agents, Extract and the like.
• Examples of the organic solvent other than the component (B) include ethanol, ethylene glycol, propylene glycol, diethylene glycol monobutyl ether (butyl carbitol), polyethylene glycol, 3-methoxy-3-methylbutanol, and phenoxyethanol.
• the organic solvent other than the component (B) contained in the liquid detergent ( ⁇ ) may be one type or two or more types.
• the content of the organic solvent other than the component (B) is preferably 1 to 30% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the antifoaming agent examples include silicone, propylene oxide adduct of alcohol (excluding the nonionic surfactant other than the component (C) and the component (C)), and fatty acid esters.
• the silicone examples include silicones such as dimethyl silicone, polyether-modified silicone, and amino-modified silicone. The silicone content is preferably 0.001 to 20% by mass based on the total mass of the liquid detergent ( ⁇ ).
• Examples of the propylene oxide adduct of alcohol include monoalcohols such as methanol, ethanol, propanol, butanol, pentanol, hexanol, heptanol and octanol.
• monoalcohols such as methanol, ethanol, propanol, butanol, pentanol, hexanol, heptanol and octanol.
• Those obtained by adding propylene oxide to diols such as ethanediol, triols such as glycerin, tetraols such as erythritol, and polyhydric alcohols such as hexaols such as sorbitol.
• the content of the propylene oxide adduct of alcohol is preferably 0.1 to 10% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the fatty acid ester include 2-ethylhexyl 2-ethylhexanoate (also known as 2-ethylhexyl isooctylate, 2H08).
• the content of the fatty acid ester is preferably 0.01 to 5% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the metal ion scavenger (chelating agent) examples include lactic acid, ethylenediaminetetraacetic acid (EDTA), triethylenetetraacetic acid (TTHA), methylglycinediacetic acid (MGDA), hydroxyiminodisuccinic acid (HIDS), and diethylenetriaminepentaacetic acid (DTPA), 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP), and the like, or organic phosphonic acids of salts thereof.
• the form of the salt of the chelating agent include sodium, potassium, calcium, magnesium and the like.
• the chelating agent contained in the liquid detergent ( ⁇ ) may be one type or two or more types. The content of the chelating agent is preferably 0.001 to 10% by mass based on the total mass of the liquid detergent ( ⁇ ).
• Examples of the enzyme include protease, amylase, lipase, cellulase, mannanase and the like.
• “enzyme” means an enzyme preparation.
• Examples of the protease include Medley (registered trademark) Core 210L and Savinase (registered trademark) 16L, which can be obtained from Novozymes as a protease preparation.
• Examples of the amylase include Amplify 12L (registered trademark) and Medley (registered trademark) Core 210L (trade name), which are available from Novozymes as amylase preparations.
• Examples of the lipase include Lipex (registered trademark) 100L available from Novozymes as a lipase preparation.
• the enzyme contained in the liquid detergent ( ⁇ ) may be one type or two or more types. The content of the enzyme is preferably 0.01 to 10% by mass relative to the total mass of the liquid detergent ( ⁇ ).
• antioxidants examples include BHT (dibutylhydroxytoluene) and BHA (butylhydroxyanisole).
• the antioxidant contained in the liquid detergent ( ⁇ ) may be one type or two or more types.
• the content of the antioxidant is preferably 0.01 to 3% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the preservative contained in the liquid detergent ( ⁇ ) may be one kind or two or more kinds.
• the content of the preservative is preferably 0.001 to 1% by mass based on the total mass of the liquid detergent ( ⁇ ).
• antibacterial agents examples include cationic bactericides such as diclosan, triclosan, and quaternary ammonium salts (benzalkonium chloride).
• the antibacterial agent contained in the liquid detergent ( ⁇ ) may be one kind or two or more kinds.
• the content of the antibacterial agent is preferably 0.001 to 10% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the soil release agent examples include a polymer having at least one type of repeating unit selected from the group consisting of an alkylene terephthalate unit and an alkylene isophthalate unit, and an oxyalkylene unit.
• Such polymers include, for example, those described in WO 2017/142012.
• Examples of commercially available SR agents include “TexCare SRN-170” (trade name, manufactured by Clariant).
• Examples of the soil release agent include a polymer (P) such as an alkylene oxide adduct of a polyalkyleneamine.
• Examples of the alkylene oxide adduct of polyalkyleneamine include those described in International Publication WO2017 / 142012 and JP-T-2017-514967.
• Examples of the polymer (P) include “Sokalan HP20” (trade name, manufactured by BASF).
• Examples of the soil release agent include cationized cellulose described in JP-A-2019-90057.
• the soil release agent contained in the liquid cleaning agent ( ⁇ ) may be one type or two or more types.
• the content of the soil release agent is preferably 0.1 to 20% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the dispersant examples include polyacrylic acid and its salts, polymethacrylic acid and its salts, high molecular polycarboxylic acids and their salts, and the like.
• the dispersant contained in the liquid detergent ( ⁇ ) may be one type or two or more types.
• the content of the dispersant is preferably 0.01 to 5% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the flavoring agent examples include a fragrance raw material alone, or a fragrance material containing a fragrance composition comprising a fragrance raw material, a fragrance solvent, a fragrance stabilizer and the like, and a fragrance commonly used in a liquid detergent composition is blended. be able to. Moreover, you may mix
• the flavoring agent contained in the liquid detergent ( ⁇ ) may be one type or two or more types. The content of the flavoring agent is preferably 0.01 to 5% by mass based on the total mass of the liquid detergent ( ⁇ ).
• the coloring agent examples include a quinone dye, a triphenylmethane dye, a xanthene dye, a quinoline dye, and a pyrene dye.
• CI is an abbreviation for color index. The structure of each dye is described in the “Statutory Dye Handbook” (edited by the Japan Cosmetic Industry Association) and in the Handbook of Dyes (edited by the Society of Synthetic Organic Chemistry).
• the quinone dye include C.I. I. Solvent Blue 63 (CI Solvent Blue 63, Blue No. 403), Liquidint Blue HP, Liquidint Blue BL, Liquidint Blue MC manufactured by Milliken, and the like.
• Examples of the triphenylmethane-based dye include Green No. 3 (C.I. 42053).
• Examples of the quinoline dye include Yellow No. 203 (CI Acid Yellow 3).
• the colorant contained in the liquid detergent ( ⁇ ) may be one type or two or more types. The content of the colorant is preferably 0.1 to 100 ppm by mass based on the total mass of the liquid detergent ( ⁇ ).
• the fluorescent agent examples include biphenyl-type fluorescent agents such as 4,4'-bis (2-sulfostyryl) biphenyl disodium salt, and 4,4'-bis ((4-amino-6-morpholino-1,3,5).
• Stilbene-type fluorescent agents such as -triazinyl-2) amino) stilbene-2,2'-disulfonate;
• the fluorescent agent contained in the liquid cleaning agent ( ⁇ ) may be one type or two or more types.
• the content of the fluorescent agent is preferably 0.01 to 10% by mass based on the total mass of the liquid detergent ( ⁇ ).
• Examples of the pH adjuster include inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, sodium hydroxide, potassium hydroxide, alkanolamines (eg, monoethanolamine, diethanolamine, triethanolamine, etc.), and ammonia.
• inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid
• sodium hydroxide, potassium hydroxide, alkanolamines eg, monoethanolamine, diethanolamine, triethanolamine, etc.
• ammonia e.g, sulfuric acid, sodium hydroxide, potassium hydroxide, and alkanolamine are preferred from the viewpoint of liquid stability, and sulfuric acid and sodium hydroxide are preferred.
• the pH adjuster contained in the liquid detergent ( ⁇ ) may be one type or two or more types.
• the pH of the liquid detergent ( ⁇ ) at 25 ° C. is preferably from 5 to 9, more preferably from 5.5 to 8.5, further preferably from 6 to 8, particularly preferably from 6.5 to 8, and preferably from 7 to 8. Most preferred.
• the pH of the liquid detergent ( ⁇ ) can be adjusted, if necessary, by adding a pH adjuster.
• the pH in the present specification means a value measured with a pH meter (product name: HM-30G, manufactured by Toa DKK) with the measurement object at 25 ° C.
• the viscosity (V 20 ) at 20 ° C. of the liquid detergent ( ⁇ ) is preferably from 5 to 200 mPa ⁇ s, more preferably from 10 to 100 mPa ⁇ s, even more preferably from 15 to 60 mPa ⁇ s.
• the viscosity (V 20 ) of the liquid detergent ( ⁇ ) is equal to or more than the lower limit of the above range, the liquid detergent ( ⁇ ) adheres to the textile when the liquid detergent ( ⁇ ) is sprinkled on the textile. It is easy to stay on dirt.
• the viscosity (V 20 ) of the liquid detergent ( ⁇ ) is equal to or less than the upper limit of the above range, when applying the liquid detergent ( ⁇ ) to the textile, the liquid detergent ( ⁇ ) is easily sprinkled on the textile.
• the ratio of the viscosity at 5 ° C. a liquid detergent ( ⁇ ) (V 5) ( V 5 / V 20) is preferably 1 to 4, more preferably 1 to 3, 1 to 2 is more preferred.
• the viscosity of the liquid detergent ( ⁇ ) may be adjusted by adding a solvent and a hydrotrope (for example, toluenesulfonic acid, toluenesulfonic acid salt, cumenesulfonic acid, cumenesulfonic acid salt, benzoic acid, benzoate, etc.) as necessary. It can be adjusted by the amount, pH and the like.
• the viscosity in this specification means a value measured using a B-type (Brookfield-type) viscometer with a measurement object at 20 ° C. or 5 ° C.
• the liquid detergent ( ⁇ ) is preferably contained in a container and used as a liquid detergent product in a container.
• the container include a squeeze container, a trigger container, a container having an application surface for directly applying a liquid to a textile, and the like.
• a squeeze container is preferable from the viewpoint that a large amount can be applied at one time, and it can be applied uniformly and promptly even in a wide range, and can be applied in a narrow range with a pinpoint.
• the squeeze container has a container body that is deformed by squeezing (squeezing), and a discharge port for discharging the liquid cleaning agent ( ⁇ ) contained in the container body, and a cap attached to an opening of the container body.
• the body of the container body is squeezed by hand to deform the container body and discharge the liquid detergent ( ⁇ ) from the discharge port.
• the squeeze container a known container can be used.
• a known squeeze container disclosed in JP-A-2002-264958 can be used.
• the liquid detergent ( ⁇ ) can be produced according to a conventionally known method for producing a liquid detergent.
• a liquid detergent ( ⁇ ) containing water after adding and mixing each component excluding the pH adjuster to a part of water as a dispersion medium, adding the pH adjuster as necessary. After adjusting the pH, the remaining amount of water is added to adjust the total amount to 100% by mass to obtain a liquid detergent ( ⁇ ). Further, it is preferable that the product is housed in a container such as a squeeze container to obtain a container-containing liquid detergent product.
• the liquid detergent ( ⁇ ) of the present invention contains the aforementioned components (A) and (B) in specific amounts, and defines the content of the components (C) and (D) in the liquid detergent ( ⁇ ). As a result, the liquid stability is good, the detergency is excellent, and the dirt spread prevention is excellent.
• the liquid detergent ( ⁇ ) of the present invention is applied undiluted to the stains of textiles (to-be-washed) without diluting the liquid detergent ( ⁇ ) with water or the like, in order to obtain high detergency, and left as it is. It is suitable for a method of performing a washing process after the washing.
• the liquid cleaning agent ( ⁇ ) By applying the liquid cleaning agent ( ⁇ ) to the textile, the stained portion of the textile is impregnated with the liquid cleaning agent ( ⁇ ), and the dirt is brought into contact with the liquid cleaning agent ( ⁇ ).
• the liquid detergent ( ⁇ ) it is preferable that the liquid detergent ( ⁇ ) be kept in contact with dirt while maintaining the concentration of the liquid detergent ( ⁇ ). Is applied with a liquid detergent ( ⁇ ).
• the method for applying the liquid detergent ( ⁇ ) to textiles is not particularly limited.
• a liquid detergent product in a container in which the liquid detergent ( ⁇ ) is contained in a squeeze container, a trigger container, or the like, and separate the discharge port of the container from the textile product (that is, the discharge port is not in contact with the textile product).
• Liquid detergent ( ⁇ ) may be sprinkled on the textile.
• the application surface of the container is brought into contact with the textile, and the liquid detergent ( ⁇ ) is applied to the textile. You may apply directly.
• a method of sprinkling a liquid detergent ( ⁇ ) on textiles is preferred from the viewpoint of being able to apply uniformly and quickly over a wide range.
• a method in which the liquid detergent ( ⁇ ) contained in the squeeze container is sprinkled in a shower form on the textile is preferred from the viewpoint that the amount of application at one time is large and uniform and quick application is possible even in a wide range.
• the squeeze force may be adjusted according to the area of the soiled portion. If the soiled portion is wide, the squeeze force may be increased and the liquid detergent ( ⁇ ) may be sprinkled in a shower. If the contaminated portion is narrow, the squeeze force may be reduced and the liquid detergent ( ⁇ ) may be sprinkled in a pinpoint manner.
• the amount of the liquid cleaning agent ( ⁇ ) applied is preferably equal to or more than the amount of the liquid cleaning agent ( ⁇ ) permeating the entire portion to which dirt adheres.
• the amount of the liquid detergent ( ⁇ ) applied is preferably 100% owf (the amount of the liquid detergent ( ⁇ ) applied per unit weight of the fiber product) or more in terms of fiber weight, more preferably. Is 200% or more, more preferably 300% or more.
• the upper limit of the application amount of the liquid cleaning agent ( ⁇ ) is not particularly limited, but is preferably, for example, an amount of 1000% owf or less based on the weight of the fiber.
• the leaving time until washing is preferably 30 minutes or more, more preferably 1 hour or more, still more preferably 3 hours or more, and particularly preferably 6 hours or more.
• the moisture in the liquid detergent ( ⁇ ) applied to the textile product evaporates, and the liquid detergent ( ⁇ ) is concentrated on the textile product.
• the liquid detergent ( ⁇ ) has an advantage that the standing time can be made longer than before because it is excellent in preventing the spread of dirt.
• the leaving time may be, for example, 24 hours or more. Although there is no particular limitation on the upper limit value of the leaving time, for example, the leaving time is preferably 168 hours (one week) or less.
• the content of water in the liquid detergent ( ⁇ ) after standing is preferably 30% by mass or less, more preferably 20% by mass or less, further preferably 10% by mass or less, based on the total mass of the liquid detergent ( ⁇ ). Preferably, it may be 0% by mass.
• the weight of the textile product before and after standing is measured, and the difference (decrease amount) is regarded as the amount of evaporated water, and the content of water in the liquid detergent ( ⁇ ) after standing can be determined.
• the environment when left after application is not particularly limited, but the temperature is preferably 5 to 40 ° C, more preferably 10 to 35 ° C, and still more preferably 15 to 30 ° C.
• the humidity is preferably 90% or less, more preferably 70% or less, and even more preferably 50% or less.
• the lower limit of the humidity is not particularly limited.
• the humidity is preferably 15% or more.
• the place to be left is not particularly limited. For example, any place such as a washing tub, a washing basket, and a basin may be used, but a place where the humidity is not trapped, such as a washing basket, is more preferable.
• the method of washing treatment is as follows: a textile product coated with a liquid detergent ( ⁇ ) is brought into contact with a cleaning solution containing water or a new detergent ( ⁇ ) to remove dirt adhering to the textile product and the liquid detergent ( Any method may be used as long as ⁇ is transferred into water to remove ⁇ ), and is not particularly limited.
• a normal washing process includes a washing process and a rinsing process.
• the rinsing process is a process for removing the liquid detergent ( ⁇ ) remaining on the textile after the cleaning process. After the rinsing process, drying and the like are performed to remove moisture from the fiber product.
• the cleaning treatment in a cleaning liquid containing water or a new cleaning agent ( ⁇ ), preferably, external force is applied to the textile to transfer dirt into the cleaning liquid, and then the textile is separated from the cleaning liquid by performing dehydration or the like. I do.
• an external force is preferably applied to the textile in rinse water not containing the liquid detergent ( ⁇ ) and the detergent ( ⁇ ), and the liquid detergent remaining on the textile is applied.
• the fiber product is separated from the rinsing water by dehydration or the like.
• the washing process is usually performed once.
• the rinsing process may be performed once or may be repeated two or more times.
• the method of applying external force to the textile product may be, for example, a method of applying mechanical force with a washing machine, or a method of hand washing such as fir-washing, push-washing, tap-washing, grasping, pinch washing, or shaking.
• the cleaning agent ( ⁇ ) may be a liquid or a powder.
• the detergent ( ⁇ ) is not particularly limited, and a known detergent for textile products can be used. Further, a liquid detergent ( ⁇ ) may be used as the detergent ( ⁇ ), or a commercially available product may be used.
• a detergent containing polyoxyethylene fatty acid methyl ester (MEE) and polyoxyethylene alkyl ether (AE) is preferable as the detergent ( ⁇ ).
• Commercially available detergents ( ⁇ ) include, for example, “Top NANOX” and “Top Clear Liquid” manufactured by Lion; “Attack NEO”, “Attack ZERO” and “Attack High Penetration Biogel” manufactured by Kao Corporation; “Arière Ion Power Gel” and “Arière Power Gel Ball” manufactured by Procter & Gamble Co., Ltd. are exemplified.
• the textile products in the laundry treatment may include not only textile products to which the liquid detergent ( ⁇ ) has been applied, but also other textile products to which the liquid detergent ( ⁇ ) has not been applied.
• the amount of the detergent used in the cleaning treatment is such that the ratio of the total mass of the textile (cloth) / the total mass of the detergent (the total mass of the liquid detergent ( ⁇ ) and the detergent ( ⁇ )) is 10 to 10%. 500 is preferable, 10 to 300 is more preferable, and 10 to 100 is further preferable.
• the rinsing property when applied for a long time is excellent, and if the ratio is equal to or less than the upper limit of the above range, the liquid detergent ( ⁇ ) Excellent in detergency of other textiles that are not coated.
• the liquid detergent ( ⁇ ) is used as the detergent ( ⁇ )
• all of the liquid detergent ( ⁇ ) used in the cleaning treatment may be used for applying stains on textiles, and a part of the detergent may be used as a fiber. It may be applied to the soil of the product, and the rest may be added during the cleaning process.
• the amount of water used in the cleaning treatment is preferably 50 times or more, more preferably 50 to 1500 times, the amount of the detergent used in the cleaning treatment (total mass of the liquid detergent ( ⁇ ) and the detergent ( ⁇ )). , 50 to 1000 times.
• the amount of water used in the cleaning treatment is at least the lower limit of the above range, the rinsing property is more excellent, and when it is at most the upper limit of the above range, the cleaning performance is more excellent.
• the liquid detergent ( ⁇ ) of the present invention since the liquid detergent ( ⁇ ) of the present invention is used, a long period of time (for example, 30 minutes or more) after applying the liquid detergent ( ⁇ ) to the textile (object to be washed) is applied. ) Even if left undisturbed, the spread of dirt can be suppressed, and excellent detergency can be exhibited.
• textile products include clothing, cloth, sheets, curtains, and pillowcases.
• clothing, pillowcases and the like are particularly suitable.
• the material of the fiber product is not particularly limited, and may be any of natural fibers such as cotton, silk and wool, and chemical fibers such as polyester and polyamide.
• A-1 AES. Polyoxyalkylene alkyl ether sulfate (mixture of sodium polyoxyethylene lauryl ether sulfate and sodium polyoxyethylene myristyl ether sulfate, average number of moles of EO added: 1).
• R 1 is a linear alkyl group having 12 and 14 carbon atoms
• k is 1
• n is 0,
• M is sodium.
• the proportion of the compound (component (a0)) in which k is 0 and n is 0 is 43% by mass relative to the whole of A-1.
• A-2 sodium ⁇ -olefin sulfonate (AOS), trade name “Lipolane LB-840”, manufactured by Lion Corporation.
• A-3 sodium lauryl sulfate (AS), SDS, trade name "sodium dodecyl sulfate", manufactured by Wako Pure Chemical Industries.
• A-4 sodium linear alkyl benzene sulfonate (LAS), trade name “Laipon LS-250”, manufactured by Lion Corporation.
• A-5 secondary sodium alkane sulfonate (SAS), trade name "SAS30", manufactured by Clariant Japan.
• A-6 IOS. An inner olefin sulfonate synthesized by the method described in Example 7 of JP-A-2001-247534.
• B-1 glycerin.
• Product name “Glycerin for cosmetics”, manufactured by Sakamoto Pharmaceutical Company.
• B-2 sorbitol.
• D-1 citric acid. Trade name “citric anhydride”, manufactured by Fuso Chemical Industry Co., Ltd.
• E coconut fatty acid.
• PKO coconut fatty acid
• Perfume Perfume composition A described in Tables 7 to 14 of JP-A-2003-268398.
• -2-Ethylhexyl isooctylate trade name "2-ethylhexyl isooctylate” manufactured by Lion Specialty Chemicals.
• -Enzyme Trade name "Medley Core 210L”, manufactured by Novozymes.
• -Sodium cumene sulfonate trade name "TAYKA TOX N5040", manufactured by TEYCA.
• -Phenoxyethanol trade name "phenyl glycol", manufactured by Nippon Emulsifier.
• p 10
• q 2
• r 10
• PEG polyethylene glycol having a weight average molecular weight of 1,000.
• Product name "PEG # 1000-L60", manufactured by Lion Corporation.
• -PH adjuster MEA (monoethanolamine (alkali agent)), trade name “monoethanolamine”, manufactured by Nippon Shokubai Co., Ltd.
• Examples 1 to 17, Comparative Examples 1 to 7 With the compositions shown in Tables 1 to 4, each component was added to water and mixed to prepare a liquid detergent ( ⁇ ) of each example.
• the compounding amounts in the table are values converted into pure components. Components for which the blending amount is not described in the table are not blended.
• the “suitable amount” of the pH adjuster is the amount required to adjust the pH of the liquid composition at 25 ° C. to 7 in each example.
• the “balance” of the water content means the balance added so that the total of all components contained in the liquid composition ( ⁇ ) becomes 100% by mass.
• the spread prevention of stain, the detergency, and the liquid stability were evaluated by the following methods. The results are shown in Tables 1 to 4.
• test cloths were placed in a Terg-O-Tometer (UNITED STATES TESTING) containing 900 mL of 15 ° C. tap water and 0.3 g of a commercially available detergent (trade name “Top NANOX”, manufactured by Lion). Then, a charge cloth (a knitted cloth was finely cut, thoroughly washed and rinsed and dried) was put therein, and the cloth was washed at 120 rpm for 10 minutes. The amount of the charge cloth was set such that the bath ratio (mass of the cleaning liquid / total weight of the charge cloth) became 20 times. After that, 5 pieces of the washed test cloth are taken out, rinsed with running water for 3 minutes in a two-tub washing machine (Model No. "CW-C30A1", manufactured by Mitsubishi Electric Corporation), dehydrated for 1 minute, and then air-dried. Oil stained cloth.
• a Terg-O-Tometer UNITED STATES TESTING
• a charge cloth a knitted cloth was finely cut, thoroughly washed and
• Washing rate (%) (K / S of oil stain soil cloth before washing ⁇ K / S of oil stain soil cloth after washing) / (K / S of oil stain soil cloth before washing ⁇ unstained) (K / S of plaque) x 100 (ii)
• K / S is (1-R / 100) 2 / (2R / 100)
• R is an oil stain cloth before washing, an oil stain cloth after washing or Indicates the reflectance (%) of unsoiled cloth.
• K represents the extinction coefficient
• S represents the scattering coefficient
• R represents the absolute reflectance.
• the average value of the cleaning rate of the five oil stained cloths was calculated, and the detergency was evaluated based on the following criteria.
• a pass is determined when the average value of the cleaning rate is 65% or more.
• evaluation criteria I: The average value of the cleaning rate is 75% or more.
• IV The average value of the cleaning rate is less than 55%.
• a / B ratio is a mass ratio represented by (A) component / (B) component.
• the “total surfactant / C ratio” is a mass ratio represented by the total surfactant / (C) component.
• Examples 1 to 17 have good detergency and liquid stability, and are excellent in preventing the spread of dirt when the liquid detergent ( ⁇ ) is applied and left for a long time.
• Comparative Example 1 containing no component (A) was inferior in detergency and dirt spread prevention.
• Comparative Example 2 in which the component (A) was composed of only LAS and the content of LAS was 15% by mass was poor in detergency.
• the spread of dirt was also inferior.
• Comparative Example 3 in which the content of the component (B) was less than 3% by mass, was poor in detergency.
• Comparative Example 4 in which the content of the component (C) was 5% by mass or more, was inferior in dirt spread prevention.
• Comparative Example 5 in which the content of the component (D) was 10% by mass or more, was inferior in liquid stability. Comparative Example 6, in which the A / B ratio was less than 0.2, was inferior in detergency. In addition, as compared with Examples 1 to 17, the spread of dirt was also inferior. Comparative Example 7, in which the A / B ratio was more than 5, had poor liquid stability.

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