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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/10—Carbonates ; Bicarbonates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/83—Mixtures of non-ionic with anionic 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
  • C11D10/00—Compositions of detergents, not provided for by one single preceding group
  • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
• • 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
  • C11D17/08—Liquid soap, e.g. for dispensers; capsuled
• • 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
  • C11D3/2079—Monocarboxylic 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
  • C11D3/26—Organic compounds containing nitrogen
  • C11D3/30—Amines; Substituted amines ; Quaternized amines
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
• • 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
  • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

• the present invention relates to a liquid detergent composition and a hand-washing laundry method.
• hand washing and washing machine washing There are two types of laundry washing methods: hand washing and washing machine washing. In recent years, there is a tendency for washing machines to increase due to the spread of washing machines. However, from the viewpoint of being able to confirm the degree of dirt removal and economical efficiency, hand washing is still widely performed worldwide. Yes. In particular, hand-washing laundry is often adopted so that it can be washed with as little water as possible in an area where water resources are low.
• hand-washed washing enables fine washing according to the situation, such as the degree of dirt removal and the type of object to be washed. Accompanied by.
• “rubbing” in which objects to be cleaned are rubbed together is one of the most natural hand washing methods because it is easy to apply mechanical force to the parts to be cleaned.
• the amount of foam generated at the time of washing clothes and the like is a factor that causes a sense of fulfillment and a sense of security that washing is sufficient for consumers who do laundry.
• Many detergents mainly composed of anionic surfactants such as alkylbenzene sulfonate are manufactured and sold.
• liquid detergent compositions are mainly known as laundry detergent compositions.
• the liquid detergent composition has advantages such as no generation of fine powder during use and quick dissolution and dispersion in washing water.
• JP-T-10-504049 includes a surfactant system including a specific anionic surfactant and a specific nonionic surfactant mixture, a detergency builder, and an auxiliary detergent component.
• Laundry detergent compositions that can be in liquid form for use are disclosed.
• JP-T-10-504056 discloses a hand-washing laundry detergent composition which can take the form of a liquid containing an anionic surfactant, a nonionic surfactant and a cationic surfactant under specific conditions. .
• JP-A-52-82909 discloses an aqueous liquid detergent composition containing a specific surfactant, a higher fatty acid salt, a sulfonate of benzene or lower alkylbenzene, an inorganic builder, and an alkali salt of a polyvalent carboxylic acid.
• a specific surfactant a higher fatty acid salt
• a sulfonate of benzene or lower alkylbenzene an inorganic builder
• an alkali salt of a polyvalent carboxylic acid has been.
• Japanese Patent Application Laid-Open No. 2011-89107 discloses a polyoxyalkylene alkyl ether type nonionic surfactant having a relatively large average addition mole number of alkyleneoxy groups, a specific anionic surfactant, and a fatty acid having 8 to 18 carbon atoms.
• the detergent composition containing the salt under specific conditions is excellent in cleaning power and foaming property at the time of washing, and the foam disappears
• JP 58-222195 discloses a mild homogeneous aqueous alkaline detergent composition containing a detergent surfactant, an alkaline detergent builder and water.
• Japanese National Publication No. 10-501564 discloses a liquid laundry detergent composition containing a lipolytic enzyme and a special soap.
• the present invention comprises (a) one to one or more anionic surfactants selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates, (b) fatty acids and / or A liquid detergent composition comprising a salt thereof, (c) an alkanolamine, (d) a carbonate, (e) a nonionic surfactant, and water,
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / alkylbenzene sulfonate salt is 70/30 to 100/0
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (b) is 3/1 to 20/1
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (e) is 60/40 to 100/0
• the pH of the liquid detergent composition measured at 25 ° C. described in JIS K3362: 2008 8.3 is 9-11.
• component (a) one or more anionic surfactants selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates are referred to as component (a).
• component (b) fatty acid and / or its salt are called (b) component.
• component (c) alkanolamine is called (c) component.
• component (d) carbonate is called (d) component.
• e) nonionic surfactant is called (e) component.
• the amounts of the component (a), the component (b), and the component (d) are all calculated in terms of sodium salt in terms of mass% and mass ratio.
• the present invention also relates to a hand-washing washing method for hand-washing an object to be cleaned that has been brought into contact with cleaning water containing the liquid detergent composition of the present invention, wherein the mass of the cleaning water relative to the mass of the object to be cleaned is 2 to 100 It is related to the hand-washing washing method.
• a laundry detergent composition is excellent in foaming properties that exhibit appropriate foaming during washing and rinsing properties such as foam disappearing quickly during rinsing. It is desirable. In particular, it is more desirable to obtain excellent detergency, foaming properties and rinsing properties even when using high-hardness washing water.
• JP-T-10-504049 and JP-T-10-504056 are said to have good foaming properties and low irritation, they have not yet sufficiently achieved rapid foam disappearance upon rinsing.
• Japanese Patent Application Laid-Open No. 2011-89107 does not suggest a composition that can improve the foamability and rinsability while improving the degree of freedom of blending by reducing the blending amount of fatty acids or salts thereof.
• the present invention provides a liquid detergent composition for washing that has better detergency in washing clothes and the like, and is superior in both foaming and rinsing properties.
• liquid detergent composition having excellent detergency in washing clothes and the like and excellent in both foaming and rinsing properties is provided. Such effects of the present invention can be obtained even when washing and rinsing with high-hardness washing water. Further, the liquid detergent composition of the present invention has good composition stability such as low-temperature storage stability.
• the component (a) is one or more anionic surfactants selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates.
• the polyoxyalkylene alkyl ether sulfate ester salt is not limited, but for example, an alkyl group having 10 or more, 12 or more, 20 or less, and 14 or less carbon atoms, preferably a linear primary alcohol or It has an alkyl group derived from a linear secondary alcohol or an alkyl group derived from a branched alcohol, and the average added mole number of an alkyleneoxy group is 0 or more, more than 0, further 0.5 or more, further 1 or more, or 5 Hereinafter, further 4 or less, and further 3 or less are mentioned.
• An alkyleneoxy group having an average added mole number of 0 to 5, preferably 0.5 to 4, and more preferably 1 to 3 can be mentioned.
• the alkyleneoxy group preferably contains an ethyleneoxy group, and may contain a propyleneoxy group in the range of an average addition mole number of 0.2 to 2 mol.
• the salt is preferably an alkali metal salt, more preferably a salt selected from a sodium salt and a potassium salt, and still more preferably a sodium salt.
• alkylbenzene sulfonate examples include, but are not limited to, for example, alkylbenzene sulfonates having 8 or more carbon atoms, 10 or more carbon atoms, 20 or less carbon atoms, and further 15 or less carbon atoms, preferably having a linear alkyl group.
• alkylbenzene sulfonate examples include alkylbenzene sulfonate having 8 to 20 carbon atoms, preferably 10 to 15 carbon atoms, and preferably having a linear alkyl group.
• alkylbenzene sulfonate examples include alkali metal salts such as sodium and potassium, alkanolamine salts, and alkaline earth metal salts such as magnesium and calcium. From the viewpoint of detergency and storage stability of the composition. An alkali metal salt or an alkanolamine salt is preferable.
• an alkylbenzene sulfonic acid which is an acid type compound is added to the raw material to be the composition, and may be neutralized with an alkali in the system to obtain an alkylbenzene sulfonate. You may add in the raw material used as a composition, after summing.
• a strong base such as sodium hydroxide, potassium hydroxide, lithium hydroxide, ammonium hydroxide or the component (c) described later can be used.
• the fatty acid and / or salt thereof as the component (b) is not limited, but for example, 7 or more carbon atoms, 9 or more carbon atoms, 10 or more carbon atoms, 43 or less carbon atoms, 23 or less carbon atoms, 18 or less carbon atoms. And those having a straight chain or branched chain alkyl group, more preferably, a straight chain or methyl branched chain fatty acid having 12 to 14 carbon atoms and a salt thereof. Specifically, the fatty acid and / or salt thereof as component (b) has a linear or branched alkyl group having 7 to 43 carbon atoms, preferably 9 to 23 carbon atoms, more preferably 10 to 18 carbon atoms.
• a fatty acid having 12 to 14 carbon atoms having a straight chain or a methyl branched chain and / or a salt thereof may have an unsaturated bond, but the number thereof is 2 or less, preferably 1 or less, more preferably 0 from the viewpoint of rinsing properties. Therefore, the component (b) is preferably a saturated fatty acid and / or a salt thereof. Specific examples of the component (b) include lauric acid and / or a salt thereof, myristic acid and / or a salt thereof, a mixture of lauric acid and fatty acid derived from coconut rich in myristic acid, and / or a salt thereof.
• the component (b) can contain a fatty acid having 12 to 14 carbon atoms and / or a salt thereof, and a fatty acid having 16 to 18 carbon atoms and / or a salt thereof.
• the fatty acid salt of the component (b) is preferably an alkali metal salt such as sodium or potassium or an alkanolamine salt from the viewpoint of rinsing properties.
• the fatty acid which is an acid type compound may be added to the composition and neutralized with an alkali in the system, or after neutralization in advance and added to the composition May be.
• a strong base such as sodium hydroxide, potassium hydroxide, lithium hydroxide, ammonium hydroxide or the component (c) described later can be used.
• the component (c) includes alkanolamines, particularly alkanolamines having 1 to 3 alkanol groups having 2 to 4 carbon atoms. Of these, the alkanol group is preferably a hydroxyethyl group. Other than the alkanol group is a hydrogen atom, but an alkyl group having 1 to 5 carbon atoms and a methyl group can also be used as the component (c).
• the component (c) has a pKa at 25 ° C. of 8.5 or more, further 8.7 or more, further 9 or more, 10.6 or less, further 10 or less, and further 9.6 or less from the viewpoint of detergency and rinsing properties.
• pKa is preferably 8.5 to 10.6, more preferably 8.7 to 10, and still more preferably 9 to 9.6.
• one or more alkanolamines selected from monoalkanolamines and dialkanolamines are preferable, one or more alkanolamines selected from monoethanolamine and diethanolamine are more preferable, and monoethanolamine is more preferable from the viewpoint of detergency.
• a component is carbonate.
• Specific examples include one or more compounds selected from the group consisting of alkali metal hydrogen carbonate, alkali metal carbonate, and alkali metal sesquicarbonate.
• Component (d) is preferably an alkali metal salt such as a sodium salt from the viewpoint of the stability of the polyoxyalkylene alkyl ether sulfate ester salt of component (a), and sodium bicarbonate from the viewpoint of further suppressing the salt strength of the system. Salts are preferred.
• the washability and storage stability can be improved by using the component (c) together with the component (d).
• the component (c) and the component (d) may be used for neutralizing the component (a) and the component (b) described above.
• the pH buffering ability of the liquid detergent composition of the present invention is in the range of pH 9 to 11, preferably 9 to 10.5, more preferably 9.5 to 10. In order to achieve this, it is desirable to combine compounds having a pKa of 25 ° C. in the range of 8.5 to 10.6 among the components (c) and (d).
• the nonionic surfactant is not particularly limited. For example, an average of 1 mol or more, 2 mol or more, 12 mol or less, and 4 mol of ethylene oxide in an alcohol having 10 to 18 carbon atoms.
• Examples of the added polyoxyalkylene alkyl ether include the following. That is, examples of the nonionic surfactant include polyoxyalkylene alkyl ethers obtained by adding 1 to 12 moles, for example, 2 to 4 moles, of ethylene oxide on average to an alcohol having 10 to 18 carbon atoms.
• the content of the polyoxyalkylene alkyl ether in which ethylene oxide is added to an alcohol having 10 to 18 carbon atoms on average in an amount of 1 to 12 moles is 0.00. It is preferably 3% by mass or more, more preferably 0.5% by mass or more, and further preferably 1% by mass or more, and 5% by mass or less, further 3% by mass or less, further 2.5% by mass or less, and further preferably 2% by mass or less.
• polyoxyalkylene alkyl ether obtained by adding an average of 14 mol or more and 30 mol or less of ethylene oxide to an alcohol having 10 to 18 carbon atoms may be contained.
• the content is 0.2% by weight or more.
• 0.4 mass% or more, further 0.7 mass% or more is preferable, 2.5 mass% or less, further 2 mass% or less, and further 1.5 mass% or less is preferable.
• the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate is 70/30 or more and 100/0 or less, further 75/25 or more, and further 80/20 or more. Further, it is preferably 90/10 or more, more preferably 95/5 or more.
• the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate is 70/30 to 100/0, preferably 75/25 to 100/0, more preferably 80/20 to 100/0, further 90/10 to 100/0, further 95/5 to 100/0, and further 100/0, that is, the component (a) is composed solely of a polyoxyalkylene alkyl ether sulfate salt. Therefore, the alkylbenzene sulfonate may not be contained. Within this mass ratio range, excellent cleaning properties and rinsing properties can be obtained.
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (b) component is 3 from the viewpoint of maintaining appropriate foaming properties, washing properties and low-temperature stability during washing.
• / 1, or more, preferably 4/1 or more, more preferably 5/1 or more, more preferably 6/1 or more, more preferably 7/1 or more.
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / (b) component is 20/1 or less, preferably It is 16/1 or less, more preferably 13/1 or less, more preferably 11/1 or less, and more preferably 9/1 or less.
• polyoxyalkylene alkyl ether sulfate / (b) from the viewpoint of simultaneously satisfying three of appropriate foaming property at the time of washing, rapid foam disappearance at the time of rinsing and detergency.
• the mass ratio of the components is 3/1 to 20/1, preferably 4/1 to 16/1, more preferably 5/1 to 13/1, more preferably 6/1 to 11/1, more preferably 7/1 to 9/1.
• the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate is 70/30 or more and 100/0 or less
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (b) component When the ratio is 3/1 or more, rapid foam disappearance at the time of rinsing can be achieved. The reason for this is not always clear, but the present inventors believe that it is based on the following events. That is, the influence of the particles on the foaming property is great. Of these, hydrophobic particles of submicron to several microns have a significant effect on foam suppression.
• the metal salt of the fatty acid precipitated by the combination of the fatty acid which is the component (b) in the composition and the hardness component such as calcium contained in tap water at the time of washing is rinsed. It is thought that this affects the rapid foam disappearance.
• an anionic surfactant system in which the proportion of alkylbenzene sulfonate is high, the particle size of the metal salt of the precipitated fatty acid is about several tens to several hundreds of nanometers, while the proportion of alkylbenzene sulfonate is small. In such an anionic surfactant system, it has been found that depending on conditions, it tends to be coarsened into a precipitate of about several microns.
• the liquid detergent composition of the present invention contains the component (a) calculated in terms of sodium salt in an amount of 5% by mass or more, further 6% by mass or more, further 7% by mass or more, and further 8% by mass. More preferably, the content is further 9% by mass or more, more preferably 10.5% by mass or more, and 40% by mass or less, further 30% by mass or less, further 20% by mass or less, and further 16% by mass. Hereinafter, it is more preferable to contain 14 mass% or less.
• the liquid detergent composition of the present invention contains 5 to 40% by mass of the component (a) calculated in terms of sodium salt, further 6 to 30% by mass, further 7 to 20% by mass, and still more.
• the content is preferably 8 to 16% by mass, more preferably 9 to 14% by mass, and still more preferably 10.5 to 14% by mass.
• the liquid detergent composition of the present invention contains the component (b) calculated in terms of sodium salt in an amount of 0.1% by mass or more, further 0.2% by mass or more, and further 0.4% by mass or more. Further, 0.5% by mass or more, further 0.6% by mass or more, further 0.7% by mass or more, still more preferably 0.8% by mass or more, and further preferably 1% by mass or more, From the viewpoint of foaming properties, 10% by mass or less, further 5% by mass or less, further 4% by mass or less, further 3% by mass or less, further 2% by mass or less, and further 1.5% by mass or less. Is preferred.
• the liquid detergent composition of the present invention is obtained by calculating the amount of component (b) in terms of sodium salt, 0.1 to 10% by mass, further 0.2 to 10% by mass, and further 0.4 to 5% by mass. %, Further 0.5 to 4% by mass, further 0.6 to 3% by mass, further 0.7 to 2% by mass, and still more preferably 0.8 to 1.5% by mass.
• the liquid detergent composition of the present invention preferably contains 0.1% by mass or more of component (c), more preferably 0.2% by mass or more, and 1% by mass or more from the viewpoint of cleaning performance and rinsing properties.
• the content is preferably 10% by mass or less, more preferably 6% by mass or less, further 4% by mass or less from the viewpoint of the masking effect of the amine odor, and 3% by mass or less from the viewpoint of the masking effect.
• the component (c) is 0.1 to 10% by mass, more preferably 0.2 to 6% by mass, and more preferably 0.2 to 4% by mass from the viewpoint of the masking effect of amine odor. Further, it is preferably contained in an amount of 1 to 3% by mass from the viewpoint of cleaning performance and masking effect.
• the liquid detergent composition of the present invention is obtained by calculating the amount of the component (d) in terms of sodium salt, 0.5% by mass or more, further 1% by mass or more, further 1.5% by mass or more, and further 1 0.7% by mass or more, further 2% by mass or more, further 2.5% by mass or more, further preferably 3% by mass or more, preferably 10% by mass or less, further 8% by mass or less, and further 6%. It is preferably contained in an amount of not more than mass%, more preferably not more than 5 mass%, still more preferably not more than 4 mass%.
• the component (d) is calculated in terms of sodium salt in an amount of 0.5 to 10% by mass, further 1 to 8% by mass, further 1.5 to 6% by mass, Further, it is preferable to contain 1.7 to 5% by mass, and further 2 to 4% by mass.
• the content of each component is selected within a range that satisfies the mass ratio.
• the liquid detergent composition of the present invention is a total of 6% by mass or more, and further 8% by mass or more of the component (a) and the component (b) from the viewpoint of moderate foaming properties and quick foam disappearance at the time of rinsing. Further, it is preferably contained at 10% by mass or more, more preferably 12% by mass or more, and preferably 30% by mass or less, 25% by mass or less, further 20% by mass or less, and further preferably 16% by mass or less. . If this content is 6% by mass or more, a composition having better detergency and foaming properties can be obtained, while if it is 30% by mass or less, it has a better viscosity and dissolves quickly in the washing liquid. A composition that can be dispersed or has a clearer liquid feeling is obtained.
• the liquid detergent composition of the present invention has a total of 6 to 30% by mass of the component (a) and the component (b), and more preferably 8 to 25%, from the viewpoint of moderate foaming properties and quick foam disappearance at the time of rinsing.
• the content is preferably 10% by mass, more preferably 10 to 20% by mass, and even more preferably 12 to 16% by mass. If this content is 6% by mass or more, a composition having better detergency and foaming properties can be obtained, while if it is 30% by mass or less, it has a better viscosity and dissolves quickly in the washing liquid. A composition that can be dispersed or has a clearer liquid feeling is obtained.
• ethylene oxide is averaged in the nonionic surfactant as the component (e), particularly alcohol having 10 to 18 carbon atoms.
• the content of the polyoxyalkylene alkyl ether added at 1 mol or more and 12 mol or less is limited, and the ratio of the component (e) to the total amount of the polyoxyalkylene alkyl ether sulfate ester salt and the component (e) is 40% by mass or less.
• the liquid detergent composition of the present invention has a mass ratio of polyoxyalkylene alkyl ether sulfate ester / (e) component of 60/40 to 100/0 from the viewpoint of rapid foam extinction during rinsing. 65/35 to 100/0, 70/30 to 100/0 is preferable, 80/20 to 100/0 is preferable, 85/15 to 100/0 is preferable, and 90/10 to 100/0 is preferable. 95/5 to 100/0 is more preferable.
• the content of the component (e) in the composition is preferably 3% by mass or less, 2.5% by mass or less, further 2% by mass or less, further 1.5% by mass or less, and further 1% by mass. % Or less, further 0.5% by mass or less, and further 0% by mass, that is, not blended at all, that is, the liquid detergent composition of the present invention may not contain the component (e).
• the water content is 100% by mass in the entire composition, and is 30% by mass or more, further 40% by mass or more, and further 50% by mass in the composition.
• the above is preferable, and it is preferably 90% by mass or less, more preferably 85% by mass or less, and still more preferably 80% by mass or less.
• the content of water is 100% by mass in the whole composition, and is 30 to 90% by mass, further 40 to 85% by mass, and further 50% in the composition. ⁇ 80% by weight is preferred.
• the liquid detergent composition of this invention contains surfactant other than (a) component, (b) component, and said (e) component as (f) component in the range which does not impair the effect of this invention. be able to.
• the proportion of component (f) is preferably 20% by mass or less, more preferably 10% by mass or less, and even more preferably 5% by mass or less in the total surfactant.
• Component includes, but is not limited to, amine oxide or betaine. Since these have a function as a foam booster, for example, as described in “Foam Engineering” (published by Techno System Co., Ltd., 2005), the foaming power of the cleaning composition of the present invention is increased. be able to.
• a foam booster selected from amine oxide and betaine especially a foam booster selected from amine oxide, is 5% by mass or less, more preferably 3% by mass or less in the composition in order not to impair the rinsing properties. Further, it is preferably 1.5% by mass or less, more preferably 0.5% by mass or less.
• Examples of the amine oxide include monoalkyl having a long chain length of 8 or more carbon atoms, 12 or more carbon atoms, 18 or less carbon atoms, and 14 or less carbon atoms, and an alkyl group having 1 to 3 carbon atoms, preferably a methyl group.
• Long chain alkylamine oxides can be mentioned. Therefore, as the amine oxide, a mono long chain alkylamine oxide having a long chain length alkyl group having 8 to 18 carbon atoms, preferably 12 to 14 carbon atoms and an alkyl group having 1 to 3 carbon atoms, preferably a methyl group, etc.
• betaines include alkylamidopropyl betaines.
• lauramidopropyl betaine having 12 carbon atoms and cocoamidopropyl betaine having a coconut oil composition are generally used.
• the content in the composition of the foam booster selected from the betaines is preferably 1.5% by mass or less, more preferably 1% by mass or less, further 0.5% by mass or less, and further preferably 0.3% by mass or less.
• the proportion of the component (a) is 50% by mass or more, further 60% by mass or more, further 70% by mass or more, and further 80% by mass or more. It is preferable that it is 95% by mass or less, further 93% by mass or less, and further 90% by mass or less from the viewpoint of foaming / cleaning performance.
• the ratio of the polyoxyalkylene alkyl ether sulfate ester salt in the total surfactant is 40% by mass or more, further 50% by mass or more, and further 70% by mass or more. From the viewpoint of cleaning performance, it is preferable that the content is not more than mass%, more preferably not more than 93 mass%, and still more preferably not more than 90 mass%.
• the ratio of the component (a) in the total surfactant is 50 to 95% by mass, further 60 to 93% by mass, and further 70 to 90% by mass. It is preferable from the viewpoint of foaming and cleaning performance. Further, in the liquid detergent composition of the present invention, the ratio of the polyoxyalkylene alkyl ether sulfate salt is 40 to 95% by mass, further 50 to 93% by mass, and further 70 to 90% by mass in the total surfactant. It is preferable from the viewpoint of cleaning performance.
• the liquid detergent composition of the present invention has a pH of 9 or more, preferably measured at 25 ° C. described in JIS K3362: 2008, 8.3, from the viewpoint of detergency, particularly application detergency and mildness to hand skin. It is 9.3 or more, more preferably 9.5 or more. On the other hand, it is 11 or less, preferably 10.5 or less, more preferably 10.2 or less, and even more preferably 10 or less. That is, the pH is 9 to 11, preferably 9 to 10.5, more preferably 9.3 to 10.2, and even more preferably 9.5 to 10.
• the pH is adjusted according to the type and amount of the component to be blended in the composition, and in particular, the acid type compound of the alkylbenzene sulfonate, the component (b), the component (c) and the component (d). If necessary, it may be adjusted using an acid agent such as hydrochloric acid (for example, 6N-HCl), citric acid, paratoluenesulfonic acid (PTS), paracumenesulfonic acid (PCS) or the like.
• hydrochloric acid for example, 6N-HCl
• citric acid for example, paratoluenesulfonic acid (PTS), paracumenesulfonic acid (PCS) or the like.
• PTS paratoluenesulfonic acid
• PCS paracumenesulfonic acid
• the pH of the diluted water dilution measured at 25 ° C. described in JIS K3362: 2008 8.3 is preferably 8.5 or more, more preferably 8.7 or more, still more preferably 8.9 or more, and even more preferably. It is 9 or more, preferably 10.5 or less, more preferably 10.1 or less, still more preferably 9.7 or less, and still more preferably 9.5 or less.
• the pH is preferably 8.5 to 10.5, more preferably 8.7 to 10.1, still more preferably 8.9 to 9.7, and even more preferably 9 to 9.5.
• the components (c) and (d) of the present invention are alkaline agents having a pKa suitable for imparting such properties, and these properties are imparted to the composition by combining them. can do.
• the measurement method of the alkalinity of the water used for preparation of the said water dilution is shown below (Hereinafter, unless otherwise specified, the alkalinity of this invention says what was measured by this method).
• a sodium thiosulfate solution 0.3 w / v%) is added to 100 ml of the test water in advance to remove the residual chlorine.
• the solution is titrated with 10 mmol / l sulfuric acid with gentle stirring until the color of the solution changes from blue to reddish purple.
• a pH meter is used instead of the indicator, and the amount of 10 mmol / l sulfuric acid (ml) required until the pH value is 4.8 is defined as a.
• the pH measured at 25 ° C. described in JIS K3362: 2008 8.3 is 8.5 or higher, further 8.8 or higher, and further 9 or higher.
• it is preferably 9.2 or more, and on the other hand, 11 or less, further 10 or less, and more preferably 9.5 or less. That is, the pH is preferably 8.8 to 11, more preferably 9 to 10, and still more preferably 9.2 to 9.5.
• the components (c) and (d) of the present invention are alkaline agents having a pKa suitable for imparting such properties, and these properties are imparted to the composition by combining them. can do.
• the reason for using hydrochloric acid is that it assumes acidic stains such as sweat and sebum.
• the liquid detergent composition of the present invention specifies the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate and polyoxyalkylene alkyl ether sulfate / (b) in component (a). By combining with the components (c) and (d), it has excellent detergency in washing clothes and the like, and exhibits excellent performance in both foaming and rinsing properties.
• liquid detergent composition of the present invention examples include, for example, nitrilotriacetic acid, iminodiacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, glycol etherdiaminetetraacetic acid, hydroxyethyliminodiacetic acid, triethylenetetraamine Aminopolyacetic acid such as hexaacetic acid and diencoric acid or salts thereof, diglycolic acid, oxydisuccinic acid, carboxymethyloxysuccinic acid, citric acid, lactic acid, tartaric acid, oxalic acid, malic acid, oxydisuccinic acid, gluconic acid, carboxymethylsuccinic acid Chelating agents such as organic acids such as carboxymethyl tartaric acid or salts thereof, preferably chelating agents having a molecular weight of 1,000 or less can be blended.
• nitrilotriacetic acid iminodiacetic acid
• the content of the chelating agent in the composition is 0.001% by mass or more, further 0.01% by mass or more, further 0.03% by mass or more, or 10% by mass or less, and further 3% by mass or less. Furthermore, it is preferable that it is 1 mass% or less. Therefore, the content of the chelating agent is preferably 0.001 to 10% by mass, 0.01 to 3% by mass, and 0.03 to 1% by mass in the composition.
• a water-miscible organic solvent (hereinafter referred to as component (g)] may be contained for the purpose of improving the solution stability and transparency of the cleaning composition.
• the water-miscible organic solvent referred to in the present invention refers to a solvent that dissolves 50 g or more in 1 L of ion-exchanged water at 25 ° C., that is, a solvent having a degree of dissolution of 50 g / L or more.
• the content of the component (g) is 0.1% by mass or more, further 0.3% by mass or more, further 0.5% by mass or more, and further 1% from the viewpoint of improving the solution stability and transparency.
• the content of the component (g) is 0.1 to 40% by mass, further 0.3 to 40% by mass, and further 0.5 to 40% in the composition from the viewpoint of improving the solution stability and transparency. It is preferable that the content is 1% by mass, 1 to 20% by mass, 1.5 to 10% by mass, and further 2 to 5% by mass.
• (g1) alkanols such as ethanol, 1-propanol, 2-propanol and 1-butanol
• (g2) glycols such as propylene glycol, butylene glycol and hexylene glycol
• diethylene glycol Glycols such as triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol
• the water-miscible organic solvent is effective as a viscosity modifier and a gelation inhibitor for the composition.
• the above (g1) alkanols, (g2) glycols, (g4) alkyl ethers, (g5) aromatics It is preferable to use one or more selected from ethers, more preferably selected from (g2) glycols, (g4) alkyl ethers, and (g5) aromatic ethers, and more preferably (g4).
• Alkyl ethers Furthermore, diethylene glycol monobutyl ether is preferred.
• the component (g) is effective for adjusting viscosity and suppressing gelation.
• the following components (i) to (xiii) can be blended to such an extent that the effects of the present invention are not impaired.
• Solubilizers such as paratoluenesulfonic acid, cumenesulfonic acid, metaxylenesulfonic acid, benzoate (also effective as a preservative)
• x polyethylene having an average molecular weight of about 200 to about 400 Glycol, polyalkylene glycol-based anti-gelling polymers such as polypropylene glycol having an average molecular weight of about 1,000 to about 2,000
• paraffins such as octane, decane, dodecane, tridecane, olefins such as decene, dodecene
• Water-immiscible organic solvents such as methylene chloride, alkyl halides such as 1,1,1-trichloroethane, and terpenes such as D-limonene.
• Xii Metal ion exchangers such as zeolite and crystalline layered silicate
• Other antifoaming agents such as dye
• the liquid detergent composition of the present invention is dissolved, for example, by adding the component (c) and, if necessary, the component (g) to ion-exchanged water heated to a predetermined temperature, that is, about 80 ° C. If necessary, a strong base such as sodium hydroxide is added at this stage. Next, the acid type compound of alkylbenzene sulfonate and the acid type (b) component in the component (a) are added and mixed until transparent, and then a predetermined amount of the component (d) and the component (a) are added. Add polyoxyalkylene alkyl ether sulfate salt. Other components can be added as appropriate, and after cooling to room temperature, it can be produced by adding a fragrance or a pigment.
• the liquid detergent composition of the present invention is suitable for washing at home and also for hand washing, and is suitably used for hand washing of textile products such as clothing, fabrics, bedding, towels and the like.
• the present invention relates to a hand-washing laundry method for hand-washing an object to be cleaned that has been brought into contact with cleaning water containing the liquid detergent composition of the present invention.
• Examples of the hand-washing washing method using the liquid detergent composition of the present invention include a method of hand washing by bringing the washing water containing the liquid detergent composition of the present invention into contact with an object to be washed such as a fabric and soaking. .
• the contact time or the immersion time is long, the cleaning effect is high, and when the contact or immersion is performed for 5 to 15 minutes, a better effect is obtained. A higher effect can be obtained by applying the composition directly to the soiled portion and leaving it for 5 to 15 minutes.
• the composition of the present invention or a water dilution of the composition for example, an aqueous solution
• the water used here is generally tap water, and tap water in each country including Japan usually has alkalinity (buffer capacity).
• the liquid detergent composition of the present invention can maintain the pH at 8.5 to 10.5 beyond the buffer capacity of the tap water even when diluted with tap water having alkalinity. Excellent cleaning performance.
• the mass of the washing water with respect to the mass of the object to be cleaned such as a fabric is preferably 2 times or more, further 3 times or more, further 5 times or more, 100 times or less, further 50 times or less, and further 25 times or less.
• the mass of the washing water with respect to the mass of the object to be cleaned such as a fabric is preferably 2 to 100 times, more preferably 3 to 50 times, and further preferably 5 to 25 times.
• the object to be cleaned such as the fabric brought into contact with the cleaning water according to the present invention is sufficiently rubbed by hand, not only a high detergency is obtained but also abundant foaming is visually preferred.
• the rinsing water may be either water stored in a basin or running water.
• the mass of the rinsing water with respect to the fabric is preferably 2 times or more, further 5 times or more, further 10 times or more, preferably 1,000 times or less, further 500 times or less, based on the total amount of rinsing water used for rinsing. Furthermore, it is 100 times or less.
• the mass of the rinsing water with respect to the fabric is preferably 2 to 1,000 times, more preferably 5 to 500 times, and still more preferably 10 to 100 times, based on the total amount of rinsing water used for rinsing. Since the surfactant remaining in the fabric at the stage of immersing the rinse water is redissolved in the rinse water, foaming is observed. When this operation is repeated several times, the foaming disappears and the rinsing is completed.
• At least one of the hardness of the water used for the preparation of the cleaning water and the hardness of the rinsing water is 1 ° DH or higher, more preferably 2 ° DH or higher, from the viewpoint of cleaning power and rinsing properties. Further, it may be 3 ° DH or more, further 4 ° DH or more, and preferably 50 ° DH or less. Therefore, at least one of the hardness of water used for the preparation of cleaning water and the hardness of rinsing water is preferably 1 ° DH to 50 ° DH, more preferably 2 ° DH to 50 ° DH, from the viewpoint of cleaning power and rinsing properties. More preferably, it is 3 ° DH to 50 ° DH, more preferably 4 ° DH to 50 ° DH, and more preferably 8 ° DH to 50 ° DH.
• a liquid detergent composition comprising an amine, (d) carbonate, (e) a nonionic surfactant, and water,
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / alkylbenzene sulfonate salt is 70/30 to 100/0
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (b) is 3/1 to 20/1
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (e) is 60/40 to 100/0
• B) includes a fatty acid having 12 to 14 carbon atoms and / or a salt thereof, and a fatty acid having 16 to 18 carbon atom
• the fatty acid having 12 to 14 carbon atoms and / or a salt thereof is expressed as C 12 to 14 fatty acid.
• a fatty acid having 16 to 18 carbon atoms and / or a salt thereof is expressed as a C 16-18 fatty acid.
• the liquid detergent composition of the second embodiment containing C 12-14 fatty acid and C 16-18 fatty acid as component (b) is excellent in detergency, foaming property, rinsing property, low temperature storage stability, etc. It is also preferable when considering the stability of the composition.
• the weight ratio of C 12 ⁇ 14 fatty acids and C 16 ⁇ 18 fatty acid to C 12 ⁇ 14 fatty acids i.e., the weight ratio of C 16 ⁇ 18 fatty / C 12 ⁇ 14 fatty acid, preferably 1/99 4/96 or more, 8/92 or more, 12/88 or more, 18/82 or more, preferably 60/40 or less, further 50/50 or less, further 40/60 or less, 30/70 or less, and further 25/75 or less. Therefore, the mass ratio of C 16-18 fatty acid / C 12-14 fatty acid is preferably 1 / 99-60 / 40, more preferably 4 / 96-, from the viewpoint of improving low-temperature storage stability. 50/50, more preferably 8/92 to 40/60, more preferably 12/88 to 30/70, and still more preferably 18/82 to 25/75.
• the C 12-14 fatty acid is preferably a C 12 fatty acid and / or a salt thereof.
• the notation fatty having 12 carbon atoms and / or its salt with a C 12 fatty acid denoted fatty acids having 14 carbon atoms and / or its salt with a C 14 fatty acid.
• the component (b) preferably contains C 12 fatty acid, and the proportion of C 12-14 fatty acid in the total amount of C 12-14 fatty acid is preferably 50% by mass or more, more preferably 60% by mass or more, Moreover, 95 mass% or less, Furthermore 90 mass% or less is preferable.
• the weight ratio of the content of C 12 fatty acid to the content of C 14 fatty acids i.e., the weight ratio of the C 12 fatty acid / C 14 fatty acid
• it is preferably 3.5 / 1 or more, more preferably 4/1 or more.
• the C 12-14 fatty acid is preferably a linear fatty acid and / or a salt thereof, and is preferably a saturated fatty acid and / or a salt thereof.
• the C 16-18 fatty acid is preferably a linear fatty acid and / or a salt thereof, and is preferably a saturated fatty acid and / or a salt thereof.
• the C 12-14 fatty acid preferably contains a fatty acid having 12 carbon atoms and / or a salt thereof, specifically, lauric acid and / or a salt thereof. Further, it is preferable that the C 16-18 fatty acid contains a C 16 fatty acid and / or a salt thereof, specifically, palmitic acid and / or a salt thereof.
• the C 12-14 fatty acid contains a C 12 fatty acid and / or a salt thereof
• the C 16-18 fatty acid contains a C 16 fatty acid and / or a salt thereof
• the ratio of the total content of 12 fatty acids and / or salts thereof and 16 fatty acids and / or salts thereof is 70% by mass. As mentioned above, it is further 80 mass% or more, Furthermore, 90 mass% or more, Furthermore, it is preferable that it is 95 mass% or more, and 100 mass% may be sufficient.
• the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate may be 70/30 or more, more 75/25 or more, more 80/20 or more, more preferably 85/15 or more. Also, it may be 99/1 or less, further 98/2 or less, further 95/5 or less, and further 90/10 or less. That is, in the second embodiment, the mass ratio of polyoxyalkylene alkyl ether sulfate salt / alkylbenzene sulfonate may be 70/30 to 99/1, preferably 75/25 to 98/2. The ratio is preferably 80/20 to 95/5, and more preferably 85/15 to 90/10.
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / (e) component is 60/40 or more, 65/35 or more, and further 70 / 30 or more, more preferably 80/20 or more, more preferably 85/15 or more, and 100/0 or less. From the viewpoint of the low temperature stability of the composition, 99/1 or less, further 98/2 or less, and further 97 / 3 or less, more preferably 95/5 or less.
• the mass ratio of the polyoxyalkylene alkyl ether sulfate salt / (e) component is 60/40 to 100/0, preferably 60/40 to 99/1, and preferably 65/35 to 99/1 is preferable, 70/30 to 98/2 is preferable, 80/20 to 97/3 is preferable, and 85/15 to 95/5 is more preferable.
• the component (e) an average of 1 mol or more, further 4 mol or more, further 6 mol or more, 25 mol or less, and further 12 mol or less of ethylene oxide in an alcohol having 10 to 18 carbon atoms, Further, polyoxyalkylene alkyl ether added with 10 mol or less, and further 8 mol or less can be used.
• the liquid detergent composition of the second embodiment uses C 12-14 fatty acid and C 16-18 fatty acid in combination as component (b), and contains component (e). It is preferable.
• content of (e) component in a composition is 0.3 mass% or more, Furthermore, 0.5 mass% or more, Furthermore 1 The content is preferably 3% by mass, 3% by mass or less, further 2.5% by mass or less, and further preferably 2% by mass or less. That is, the liquid detergent composition of the second embodiment can contain 0.3 to 3% by mass, further 0.5 to 2.5% by mass, and further 1 to 2% by mass of the component (e). .
• ⁇ 1> (a) 5% by mass or more of an anionic surfactant selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates, further 6% by mass or more, and further 7% by mass or more. 8 mass% or more, 9 mass% or more, 10.5 mass% or more, 40 mass% or less, 30 mass% or less, 20 mass% or less, or 16 mass% or less. 14% by mass or less, that is, 5 to 40% by mass, further 6 to 30% by mass, further 7 to 20% by mass, further 8 to 16% by mass, further 9 to 14% by mass, and further 10.
• an anionic surfactant selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates, further 6% by mass or more, and further 7% by mass or more. 8 mass% or more, 9 mass% or more, 10.5 mass% or more, 40 mass% or less, 30 mass
• the mass ratio of polyoxyalkylene alkyl ether sulfate / alkylbenzene sulfonate is 70/30 to 100/0, preferably 75/25 to 100/0, more preferably 80/20 to 100/0, and more preferably Is 90/10 to 100/0, more preferably 95/5 to 100/0, more preferably 100/0
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (b) is 3/1 to 20/1, preferably 4/1 to 16/1, more preferably 5/1 to 13/1, more preferably 6 /.
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / (e) is 60/40 to 100/0, preferably 65/35 to 100/0, more preferably 85/15 to 100/0,
• the liquid cleaning composition has a pH of 9 or more and 11 or less, that is, 9 to 11, preferably 9 to 10.5, more preferably 9.3 to 10 as measured at 25 ° C. described in JIS K3362: 2008 8.3. .2, even more preferably 9.5 to 10, Liquid detergent composition.
• ⁇ 2> (a) One or more anionic surfactants selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates of 5% by mass or more, further 6% by mass or more, and more preferably 7% by mass or more. 8 mass% or more, 9 mass% or more, 10.5 mass% or more, 40 mass% or less, 30 mass% or less, 20 mass% or less, or 16 mass% or less. 14% by mass or less, that is, 5 to 40% by mass, further 6 to 30% by mass, further 7 to 20% by mass, further 8 to 16% by mass, further 9 to 14% by mass, and further 10.
• anionic surfactants selected from the group consisting of polyoxyalkylene alkyl ether sulfates and alkylbenzene sulfonates of 5% by mass or more, further 6% by mass or more, and more preferably 7% by mass or more. 8 mass% or more, 9 mass% or more, 10.5 mass
• the mass ratio of polyoxyalkylene alkyl ether sulfate salt / alkylbenzene sulfonate is 70/30 to 100/0, preferably 70/30 to 99/1, more preferably 75/25 to 98/2, still more preferably 80.
• the mass ratio of polyoxyalkylene alkyl ether sulfate ester salt / (b) is 3/1 to 20/1
• the mass ratio of polyoxyalkylene alkyl ether sulfate / (e) is 60/40 to 100/0
• (B) includes a fatty acid having 12 to 14 carbon atoms and / or a salt thereof, and a fatty acid having 16 to 18 carbon atoms and / or a salt thereof
• the pH of the liquid detergent composition measured at 25 ° C. described in JIS K3362: 2008 8.3 is 9-11. Liquid detergent composition.
• liquid detergent composition according to ⁇ 2> wherein the fatty acid having 12 to 14 carbon atoms and / or a salt thereof is a fatty acid having 12 carbon atoms and / or a salt thereof.
• C 12 to C 14 and / or a salt thereof is expressed as C 12-14 fatty acids, and notation fatty acid having 16 to 18 carbon atoms and / or a salt thereof with C 16-18 fatty acids
• C 16 ⁇ weight ratio of 18 fatty acid / C 12 - 14 fatty acid is preferably 1/99 or more, more 4/96 or more, more 8/92 or more, further 12/88 or more, further 18/82 or more, preferably Is 60/40 or less, further 50/50 or less, further 40/60 or less, further 30/70 or less, further 25/75 or less, that is, a mass ratio of C 16-18 fatty acid / C 12-14 fatty acid is preferable.
• the mass ratio of the polyoxyalkylene alkyl ether sulfate / (e) component is 60/40 or more, further 65/35 or more, further 70/30 or more, further 80/20 or more, further 85/15 or more, Further, it is 99/1 or less, further 98/2 or less, further 97/3 or less, and further 95/5 or less. That is, the mass ratio of polyoxyalkylene alkyl ether sulfate salt / (e) component is 60/40. ⁇ 99>, 65/35 to 99/1, 70/30 to 98/2, 80/20 to 97/3, 85/15 to 95/5, ⁇ 2> to ⁇ 4 > A liquid detergent composition according to any one of the above.
• fatty having 12 carbon atoms and / or a salt thereof is expressed as C 12 fatty acids, fatty acid having 14 carbon atoms and / or expressed its salt with a C 14 fatty acids, C 12 fatty acids and C as component (b) 14 and a fatty acid, C 12 weight ratio C 12 fatty acid / C 14 fatty acid content of the fatty acid is 3.5 / 1 or more to the content of C 14 fatty acid is further 4/1 or more, the ⁇ 2> ⁇ 5>
• the liquid detergent composition according to any one of the above.
• a fatty acid having 12 to 14 carbon atoms and / or a salt thereof is expressed as C 12-14 fatty acid
• a fatty acid having 16 to 18 carbon atoms and / or a salt thereof is expressed as C 16-18 fatty acid
• C 12 containing fatty acids and / or salts thereof having 12 carbon atoms as a ⁇ 14 fatty acids and contains a fatty acid and / or salts thereof having 16 carbon atoms as a C 16 - 18 fatty acids, C 12 - 14 fatty acids and C 16 - 18 fatty acids
• the total content of the fatty acid having 12 carbon atoms and / or a salt thereof and the fatty acid having 16 carbon atoms and / or a salt thereof is 70% by mass or more, further 80% by mass or more, and further 90%.
• ⁇ 8> (a) has an alkyl group having 10 or more carbon atoms, 12 or more carbon atoms, 20 or less carbon atoms, and 14 or less carbon atoms, and the average number of added moles of alkyleneoxy groups is 0 or more and further greater than 0. 0.5 or more, further 1 or more, 5 or less, further 4 or less, and further 3 or less polyoxyalkylene alkyl ether sulfate ester salt, specifically, an alkyl group having 10 to 20 carbon atoms, preferably 12 to 14 carbon atoms.
• polyoxyalkylene alkyl ether sulfate salt has an alkyleneoxy group with an average addition mole number of 0 to 5, preferably 0.5 to 4, and more preferably 1 to 3.
• a liquid detergent composition according to any one of the above.
• ⁇ 9> (b) is a fatty acid having 10 or more carbon atoms, 12 or more carbon atoms, 18 or less carbon atoms, and 14 or less carbon atoms, that is, a fatty acid having 10 to 18 carbon atoms, preferably 12 to 14 carbon atoms.
• the content of (b) is 0.4 mass% or more, further 0.5 mass% or more, further 0.6 mass% or more, further 0.7 mass% or more, further 0.8 mass% or more, Further, it is 5% by mass or less, further 4% by mass or less, further 3% by mass or less, further 2% by mass or less, and further 1.5% by mass or less, that is, preferably 0.4 to 5% by mass, more preferably 0.5 to 4% by mass, more preferably 0.6 to 3% by mass, more preferably 0.7 to 2% by mass, and more preferably 0.8 to 1.5% by mass.
• the liquid cleaning composition according to any one of the above.
• ⁇ 12> (c) has a pKa of 25 ° C. of 8.5 or more, further 8.7 or more, further 9 or more, 10.6 or less, further 10 or less, and further 9.6 or less, that is, 8.5.
• the liquid detergent composition as described.
• ⁇ 15> (e) is a polyoxyalkylene alkyl ether in which ethylene oxide is added to an alcohol having 10 to 18 carbon atoms on average in an amount of 1 mol or more, further 2 mol or more, 12 mol or less, and further 4 mol or less,
• Agent composition is a polyoxyalkylene alkyl ether in which ethylene oxide is added to an alcohol having 10 to 18 carbon atoms on average in an amount of 1 mol or more, further 2 mol or more, 12 mol or less, and further 4 mol or less.
• the content of (e) in the composition is 3% by mass or less, preferably 2.5% by mass or less, more preferably 2% by mass or less, more preferably 1% by mass or less, and still more preferably 0.00%.
• the content of one or more foam boosters selected from amine oxide and betaine is 5% by mass or less, preferably 3% by mass or less, more preferably 1.5% by mass or less in the total surfactant.
• At least one of the hardness of the water used for the preparation of the washing water and the hardness of the rinse water is 1 ° DH or more, further 2 ° DH or more, further 3 ° DH or more, and further 4 ° DH or more.
• Liquid detergent compositions shown in Tables 1 and 2 were prepared using the following components, and foaming properties, rinsing properties and cleaning power were evaluated by the following methods. The results are shown in Tables 1 and 2.
• Points are given according to the following criteria.
• Point 6 Bubbles with a bubble height of 2 cm or more cover the entire liquid surface 5: Bubbles with a bubble height of 1 cm or more cover the entire liquid surface 4: Bubble heights of 0.7 cm or more over the entire liquid surface Bubbles less than 0 cm are covered 3: Bubbles with a bubble height of 0.4 cm or more and less than 0.7 cm are covered over the entire liquid surface 2: Bubbles with a bubble height of 0.2 cm or more and less than 0.4 cm are spread all over. 1: Bubble height is less than 0.2 cm
• Point 6 Foam with a height of 1 cm or more remains on the entire liquid surface 5: Foam remains on the entire liquid surface (less than 1 cm) 4: Bubbles remain at about 1/2 of the liquid level 3: Bubbles remain at about 1/4 of the liquid level 2: Fine bubbles remain at the liquid level 1: Bubbles remain at the liquid level Absent
• A Adjustment oil used in the evaluation of foaming properties (mass% in artificial dirt is 0.44 mass% lauric acid, 3.15 mass% myristic acid, 2.35 mass% pentadecanoic acid, 9.31 palmitic acid) Wt%, heptadecanoic acid 0.44 wt%, stearic acid 1.6 wt%, oleic acid 1.91 wt%, trimyristin 13.33 wt%, n-hexadecyl palmitate 5.22 wt%, squalene 6.66 (Use in an amount of mass%)
• B Hard water obtained by weighing 105 mg of calcium chloride (dihydrate) and dissolving in distilled water to obtain 1,000 ml C: 1.98% by mass of egg white lecithin liquid
• the pH “after addition of hydrochloric acid” is the pH after adding 0.5 g of 1N hydrochloric acid per liter to the water dilution.

Landscapes

• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Detergent Compositions (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=47882995

Family Applications (1)

Country Status (5)

Cited By (2)

Families Citing this family (4)

Citations (6)

Family Cites Families (4)

• 2012
  • 2012-05-07 JP JP2012105699A patent/JP2013076054A/ja not_active Withdrawn
  • 2012-05-16 WO PCT/JP2012/062446 patent/WO2013038750A1/ja active Application Filing
  • 2012-05-16 IN IN1812DEN2014 patent/IN2014DN01812A/en unknown
  • 2012-05-16 CN CN201280056227.7A patent/CN103930537A/zh active Pending
  • 2012-05-18 TW TW101117889A patent/TWI506133B/zh active
• 2014
  • 2014-03-05 JP JP2014042663A patent/JP5545911B2/ja active Active

Patent Citations (6)

Also Published As

Similar Documents

Legal Events