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
  • C11D1/38—Cationic compounds
  • C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
• • 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
• • 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
• • 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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/88—Ampholytes; Electroneutral 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
  • C11D1/88—Ampholytes; Electroneutral compounds
  • C11D1/94—Mixtures with anionic, cationic or non-ionic 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
  • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0026—Low foaming or foam regulating compositions

Definitions

• the present invention relates to a liquid cleaning agent.
• the present application is based on Japanese Patent Application No. 2011-102349 filed in Japan on April 28, 2011, Japanese Patent Application No. 2011-111607, and Japanese Patent Application No. 2011-111458 filed in Japan on May 18, 2011. Claims priority and incorporates the contents here.
• washing of tableware or cooking utensils is usually performed while pouring a liquid detergent for kitchen onto a sponge.
• Liquid detergents for kitchens are required to have high cleaning power, foaming and foaming properties (foam amount and foaming speed) against oil stains attached to tableware or cooking utensils.
• conventional liquid detergents for kitchens have been effective in cleaning with anionic surfactants, nonionic surfactants, amphoteric surfactants, etc.
• the ingredients are combined in an appropriate combination.
• a liquid detergent containing a specific polyoxyethylene alkyl ether sulfate ester salt and an amine oxide surfactant has been proposed (see Patent Documents 1 and 2).
• the conventional liquid detergent containing polyoxyethylene alkyl ether sulfate ester salt and amine oxide type surfactant has foaming properties (foam amount).
• Foaming speed is insufficient.
• the rinsing property non-nullness, lack of bubbles
• the liquid cleaning agent poured into the sponge directly adheres to the tableware or the like, it takes time and effort to eliminate the feeling of nulliness from the tableware or the like due to rinsing.
• liquid detergents containing polyoxyalkylene alkyl ether sulfates and amine oxide surfactants have excellent detergency and foaming properties, but they are nullified due to the influence of the surfactant from the hand skin by rinsing.
• such a problem becomes conspicuous when a large amount of liquid detergent is added to the sponge to increase its usage.
• Patent Document 3 a reduction in nulling at the time of washing dishes and the like is attempted by blending 2-ethylhexyl monoglyceryl ether, but the effect of reducing the nulling is insufficient.
• the present invention has been made in view of the above circumstances, and a liquid cleaning agent that can realize that the dirt has been removed even if tableware or the like is covered with foam during cleaning while maintaining foaming power.
• the issue is to provide.
• Another object of the present invention is to provide a liquid detergent that is excellent in both foaming properties and rinsing properties even when cleaning tableware or the like to which dirt having a large amount of oil is adhered.
• this invention makes it a subject to provide the liquid cleaning agent which has the outstanding cleaning performance and the nullification of the hand skin at the time of wash
• the combination of a straight-chain alcohol ethoxy sulfate and an amine oxide type semipolar surfactant or amphoteric surfactant can improve detergency and foaming. It is covered with foam and can only be confirmed after the dirt has been removed.
• the rinsing properties good foaming and no null-sticking
• the amount of the surfactant is reduced in order to suppress the amount of foam in the interior, there is a problem that foaming is delayed.
• the tableware and the like are covered with foam during cleaning while maintaining foaming power (ease of foaming and foam volume).
• foaming power ease of foaming and foam volume.
• the present inventors have found that the feeling of friction between the sponge and tableware can be changed, and that it is possible to feel that the dirt has been removed from the tableware, and the present invention has been completed.
• the inventors generally do not easily form an association state, and among the branched compounds that are suitable components for low foaming compositions, anionic surfactants having a specific structure and non-ionic surfactants are preferred.
• a combination with an ionic surfactant is selected, and the present invention is completed by finding that the above-mentioned problems can be solved by using a combination of a cleaning component other than these and the anionic surfactant at a predetermined blending ratio. It came to do.
• the present inventors generally choose an anionic surfactant having a specific structure from among branched compounds that are difficult to form an association state and are suitable components for low foaming compositions. It has been found that the above-mentioned problems can be solved by selecting and using a cleaning component other than this and a specific alkyl glyceryl ether in combination, and the present invention has been completed.
• one aspect of the liquid detergent of the present invention contains a compound (a) represented by the following general formula (a1), and at least one of an amphoteric surfactant and a semipolar surfactant (b),
• the mass ratio represented by (a) component / (b) component is 0.5-6.
• PO represents an oxypropylene group
• EO represents an oxyethylene group.
• p represents the average number of repetitions of PO
• q represents the average number of repetitions of EO
• p + q is 1 to 10.
• M represents an alkali metal, alkaline earth metal, ammonium or alkanolamine.
• p + q may be 0-10.
• the fatty acid monoethanolamide compound (c), the compound (d) represented by the following general formula (d1), and the compound (f) represented by the following general formula (f1) It is preferable to further contain a compound selected from: Also, a combination of two or more compounds selected from the fatty acid monoethanolamide compound (c), the compound (d) represented by the following general formula (d1), and the compound (f) represented by the following general formula (f1) It may be used.
• i and j are each an integer of 1 to 6, and 6 ⁇ i + j ⁇ 12.
• PO represents an oxypropylene group
• EO represents an oxyethylene group.
• s represents the average number of repetitions of PO
• t represents the average number of repetitions of EO
• s + t is 6-12.
• R 1 represents a linear or branched alkyl group having 6 to 14 carbon atoms, or a linear or branched alkenyl group having 6 to 14 carbon atoms.
• n represents an average number of repetitions and is a number of 1 to 4.
• the mass ratio represented by [(a) component + (b) component] / (d) component is preferably 2 to 15.
• the mass ratio represented by [(a) component + (b) component] / (f) component is preferably 3 to 160.
• the liquid cleaning agent of the present invention it is possible to realize that the dirt has been removed while maintaining the foaming power, even if dishes and the like are covered with foam during cleaning. Furthermore, according to the present invention, it is possible to provide a liquid detergent that is excellent in both foaming properties and rinsing properties even when cleaning tableware or the like to which dirt having a large amount of oil adheres. Moreover, according to this invention, it can provide the liquid cleaning agent which has the outstanding washing
• liquid detergent of the present invention contains the compound (a) represented by the general formula (a1) and at least one of an amphoteric surfactant and a semipolar surfactant (b).
• these components are also referred to as component (a) and component (b), respectively.
• the liquid cleaning agent of this invention may contain the compound (d) represented by the said general formula (d1) further.
• the liquid cleaning agent of this invention may contain the compound (f) represented by the said general formula (f1) further.
• the liquid detergent of the present invention can be suitably used as a hard surface detergent.
• the “hard surface” refers to a surface made of a hard material such as pottery, porcelain, glass, hard plastic, metal, painted metal, and tile.
• liquid cleaning agent of this invention can be utilized especially suitably as cleaning agents for kitchens, such as tableware and cooking utensils.
• the compound (a) is an anionic surfactant having a branched alkyl group represented by the following general formula (a1).
• excellent foaming properties foam amount, foaming speed
• rinsing properties are mainly imparted.
• excellent foaming properties foam amount, foaming speed
• Rinse properties no nulliness and lack of bubbles
• a high cleaning effect against oil stains can be obtained.
• PO represents an oxypropylene group
• EO represents an oxyethylene group
• p represents the average number of repetitions of PO
• q represents the average number of repetitions of EO
• p + q is 1 to 10.
• M represents an alkali metal, alkaline earth metal, ammonium or alkanolamine.
• Examples of C x H 2x + 1 and C y H 2y + 1 include a linear alkyl group or a branched alkyl group, respectively, from the viewpoint of washed feeling, ease of foaming, foaming properties, and foaming properties.
• C x H 2x + 1 and C y H 2y + 1 are particularly preferably a combination of a propyl group and a pentyl group (one of x and y is 3 and the other is 5).
• PO represents an oxypropylene group
• EO represents an oxyethylene group
• p represents the average number of repetitions of PO
• q represents the average number of repetitions of EO.
• p + q is 1 to 10
• the lower limit is preferably 1 or more, and particularly preferably 3 or more.
• the upper limit is preferably 5 or less, particularly preferably 4 or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, p + q is preferably 1 to 5, and particularly preferably 3 to 4.
• p + q may be 0-10. When p + q is 0 to 10, the detergency is excellent and the foaming property is good. Moreover, the low temperature stability of the liquid detergent is further improved.
• component (a) Since component (a) has a high ability to lower dynamic interfacial tension, component (a) has a high diffusion speed in the cleaning liquid. Accordingly, the components (a) and (b) do not stay for a long time between the sponge and tableware. For this reason, when oil stains are removed while washing dishes with a sponge containing a liquid cleaning agent, a feeling of friction between the sponge and the dishes will be felt. . Thereby, even if dishes and the like are covered with foam during cleaning, it is considered that the dirt can be felt.
• q is preferably from 1 to 10, and more preferably from 1 to 5.
• p is preferably from 0 to 9, more preferably from 0 to 4, from the viewpoints of washed feeling, foaming and foaming properties, and from the balance between foaming properties and rinsing properties.
• the arrangement state of PO and EO is not particularly limited, and may be mixed in a random manner or in a block shape.
• p and q represent the “average” number of repetitions of PO and EO, respectively. That is, the compound represented by the formula (a1) is an aggregate of molecules (including molecules having no PO or EO) having different numbers of PO and EO repeats. Further, it may be an assembly of molecules having different combinations of C x H 2x + 1 and C y H 2y + 1 .
• M is an alkali metal, alkaline earth metal, ammonium or alkanolamine, and (C x H 2x + 1 ) (C y H 2y + 1 ) CH—CH 2 O— (PO) p— (EO) ) Any salt capable of forming a water-soluble salt with q-SO 3 — may be used.
• the alkali metal include sodium and potassium.
• the alkaline earth metal include calcium and magnesium.
• Examples of the alkanolamine include monoethanolamine, diethanolamine, and triethanolamine.
• a component may be used individually by 1 type and may be used in combination of 2 or more type as appropriate.
• the component (a) is preferably a sulfate of an alkylene oxide adduct of an alcohol having a branched structure at the ⁇ -position, which is obtained by bimolecular condensation by a gerbet reaction.
• an alkylene oxide adduct of gerbet alcohol is mixed with, for example, liquid sulfuric anhydride or SO 3 using a tank type reaction method, a film type reaction method, a tube type gas-liquid mixed phase reaction method, or the like.
• gerbet alcohol alkylene oxide adducts include BASF's Rutensol XP30 (average number of moles of ethylene oxide added 3), Rutensol XP40 (average number of moles of ethylene oxide added 4), Rutensol XL40 (average of propylene oxide addition) The number of moles is 1, and the average number of moles of ethylene oxide added is 3) (above, trade name).
• component (a) a compound obtained by sulfating an alkylene oxide adduct having an average addition mole number of ethylene oxide of 3 and neutralizing with sodium hydroxide, an sulfation of an alkylene oxide adduct having an average addition mole number of ethylene oxide of 4
• Preferred examples include compounds neutralized with sodium hydroxide, and compounds obtained by sulfating an alkylene oxide adduct having an average addition mole number of 4 of propylene oxide and neutralizing with sodium hydroxide.
• the blending amount of the component (a) is preferably 5% by mass or more and more preferably 15% by mass or more as a lower limit with respect to the total mass of the liquid detergent. Preferably, it is more preferably 20% by mass or more. As an upper limit, it is preferable that it is 40 mass% or less, and it is more preferable that it is 35 mass% or less. The upper limit value and the lower limit value can be arbitrarily combined. More specifically, the blending amount of the component (a) in the liquid detergent is preferably 5 to 40% by mass, more preferably 15 to 35% by mass with respect to the total mass of the liquid detergent. Is more preferably 20 to 35% by mass.
• amphoteric surfactant and semipolar surfactant (b) are used in combination at a predetermined blending ratio, so that mainly stains from dishes and the like during washing. When falling, friction starts to be generated between the sponge and the tableware and the like, and a feeling of being washed is given. In addition, high detergency against oil stains, good foaming and rinsing properties can be obtained.
• Amphoteric surfactant include betaine types such as aminoacetic acid betaines (such as alkylbetaines and alkylamidobetaines) and sulfobetaines (such as alkylhydroxysulfobetaines); glycine-based (such as imidazolinium betaines), aminopropion Amino acid type ones such as acid type ones can be mentioned.
• betaine types such as aminoacetic acid betaines (such as alkylbetaines and alkylamidobetaines) and sulfobetaines (such as alkylhydroxysulfobetaines); glycine-based (such as imidazolinium betaines), aminopropion Amino acid type ones such as acid type ones can be mentioned.
• amphoteric surfactants include betaine aminoacetates such as lauryldimethylaminoacetic acid betaine and lauric acid amidepropyldimethylaminoacetic acid betaine; N-lauryl-N, N-dimethylammonium-N-propylsulfobetaine, N-lauryl Sulfobetaines such as —N, N-dimethylammonium-N- (2-hydroxypropyl) sulfobetaine, N-lauryl-N, N-dimethyl-N- (2-hydroxy-1-sulfopropyl) ammonium sulfobetaine; 2 -Glycines such as lauryl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine and sodium lauryldiaminoethylglycine; aminopropionic acids such as sodium laurylaminopropionate and sodium laurylaminodipropionate Include those of.
• the “semipolar surfactant” is a surfactant having a semipolar bond (a bond having a property intermediate between a nonpolar bond and a polar bond), and the semipolar surfactant is dissolved therein. Depending on the pH of the solution or dispersion system to be dispersed, it means that it becomes cationic, anionic, or bipolar.
• Preferred examples of the semipolar surfactant include amine alkylene oxide surfactants and amine oxide surfactants. Of these, amine oxide surfactants are preferred because they have good detergency against oil stains, foaming, and foamability.
• the amine oxide surfactant include alkylamine oxide, alkylamidopropyldimethylamine oxide, and the like. Among them, a compound represented by the following general formula (b1) is preferable.
• R 2 is a linear or branched alkyl group or alkenyl group having 8 to 18 carbon atoms
• R 3 and R 4 are each independently an alkyl group or hydroxyalkyl having 1 to 3 carbon atoms.
• R 5 is an alkylene group having 1 to 4 carbon atoms.
• B is —CONH—, —NHCO—, —COO—, —OCO— or —O—.
• r is 0 or 1;
• R 2 is a linear or branched alkyl group having 8 to 18 carbon atoms, or a linear or branched alkenyl group having 8 to 18 carbon atoms, 8-18 linear or branched alkyl groups are preferred.
• the alkyl group or alkenyl group of R 2 has 8 to 18 carbon atoms, and provides foaming ability when washing dishes with a large amount of oil attached, detergency against oil stains, and a feeling of being washed. In order to further improve the effect, it is preferably 10 to 14.
• R 3 and R 4 are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, preferably an alkyl group having 1 to 3 carbon atoms, more preferably a methyl group. R 3 and R 4 are more preferably methyl groups.
• R 5 is an alkylene group having 1 to 4 carbon atoms.
• B is —CONH—, —NHCO—, —COO—, —OCO— or —O—.
• r is 0 or 1, and 0 is preferable.
• amine oxide type surfactant examples include alkyl dimethyl amine oxides such as lauryl dimethyl amine oxide, coconut alkyl dimethyl amine oxide and lauryl diethyl amine oxide; alkanoyl amide alkyl dimethyl amine oxide such as lauric acid amide propyl amine oxide. And the like.
• alkyldimethylamine oxide has particularly good foaming and rinsing properties when washing dishes with a large amount of oil attached, cleaning power against oil stains, and the effect of providing a washed feeling.
• the system type is more preferred.
• a component may be used individually by 1 type and may be used in combination of 2 or more types as appropriate.
• dishes with a large amount of oil attached, etc. Is particularly good in terms of foaming and rinsing properties, cleansing power against oil stains, and the effect of imparting a washed feeling, so that aminoacetic acid betaines, sulfobetaines, alkyldimethylamine oxides or alkanoylamides Alkyl dimethyl amine oxides are preferred, and alkyl dimethyl amine oxides are particularly preferred.
• the blending amount of the component (b) is preferably 2% by mass or more, more preferably 3% by mass or more, and further preferably 5% by mass or more as a lower limit with respect to the total mass of the liquid detergent. . Moreover, it is preferable that it is 20 mass% or less as an upper limit, and it is more preferable that it is 15 mass% or less. The upper limit value and the lower limit value can be arbitrarily combined. More specifically, the blending amount of the component (b) in the liquid detergent is preferably 2 to 20% by mass, more preferably 3 to 15% by mass with respect to the total mass of the liquid detergent. Is more preferably 5 to 15% by mass.
• component (B) When the compounding quantity of a component exists in the said range, detergency will increase and a bubble will become easy to stand up.
• the blending amount of component (b) is equal to or more than the preferred lower limit, the detergency against oil stains is increased, and foaming and rinsing properties are better when washing dishes with a large amount of oil attached. (Foamability is further improved).
• the preferable upper limit when the preferable upper limit is exceeded, the viscosity of the liquid cleaning agent increases excessively, bubbles are hardly formed (foaming property is reduced), and rinsing properties may be reduced.
• mass ratio represented by (a) component / (b) component means the ratio (mass ratio) of the content of (a) component to the content of (b) component in the liquid detergent.
• the mixing ratio of the component (a) and the component (b) is such that the mass ratio represented by the component (a) / (b) is 0.5 or more as a lower limit value. It is preferable that it is 1.5 or more. Moreover, it is 6 or less as an upper limit, and it is preferable that it is 5 or less. The upper limit value and the lower limit value can be arbitrarily combined. More specifically, the mass ratio represented by component (a) / component (b) is 0.5 to 6, and preferably 1.5 to 5.
• the mass ratio is equal to or more than the lower limit value, a feeling of being cleaned during cleaning can be obtained.
• bubbles are easily formed, and the amount of foam and the persistence of the bubbles are further improved.
• the foaming property and the rinsing property when washing dishes with a large amount of oil attached are improved.
• the cleaning power against oil stains is further improved in addition to the actual feeling after cleaning.
• the liquid detergent of the present invention preferably contains water as a solvent from the viewpoint of ease of preparation of the liquid detergent, solubility in water when used, and the like.
• the amount of water in the liquid detergent is preferably 40% by mass or more, more preferably 45% by mass or more, and more preferably 50% by mass or more as a lower limit with respect to the total mass of the liquid detergent. More preferably it is.
• As an upper limit it is preferable that it is 90 mass% or less, It is more preferable that it is 85 mass% or less, It is further more preferable that it is 80 mass% or less.
• the upper limit value and the lower limit value can be arbitrarily combined.
• the amount of water in the liquid detergent is preferably 40 to 90% by mass, more preferably 45 to 85% by mass, and 50 to 80% by mass with respect to the total mass of the liquid detergent. Further preferred.
• the blending amount of water is at least the lower limit, the liquid stability of the liquid detergent with time will be better, and when it is not more than the upper limit, the liquid viscosity will be moderately low and good from the viewpoint of usability. .
• liquid cleaning agent of the present invention other components other than the above-described components may be arbitrarily blended as necessary within the range not impairing the effects of the present invention.
• the other components are not particularly limited, and components used in cleaning agents for hard surfaces or clothing can be blended. Specifically, those shown below are preferable.
• the liquid detergent of the present invention preferably further contains a fatty acid monoethanolamide compound (c) (hereinafter referred to as “component (c)”).
• component (c) a fatty acid monoethanolamide compound
• the persistence of the foam during cleaning and the cleaning power against oil stains are mainly increased.
• Preferred examples of the component (c) include compounds represented by the following general formula (c1).
• R 6 represents an alkyl group having 5 to 19 carbon atoms.
• m represents the average number of repeating oxyethylene groups (—C 2 H 4 O—), and is a number from 0 to 9. ]
• R 6 represents an alkyl group having 5 to 19 carbon atoms, and may be linear or branched.
• the carbon number is 5 to 19, and the detergency against oil stains and the persistence of bubbles are improved, and therefore, the number of carbon atoms is preferably 7 to 13.
• m represents the average number of repeating oxyethylene groups (—C 2 H 4 O—), and is a number from 0 to 9, preferably a number from 0 to 4, and preferably a number from 0 to 2. More preferred.
• a component may be used individually by 1 type and may be used in combination of 2 or more types as appropriate.
• the blending amount of the component (c) is preferably 1% by mass or more, and more preferably 2% by mass or more, as a lower limit with respect to the total mass of the liquid detergent. Moreover, it is preferable that it is 15 mass% or less as an upper limit, and it is more preferable that it is 10 mass% or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, the blending amount of the component (c) in the liquid detergent is preferably 1 to 15% by mass, more preferably 2 to 10% by mass with respect to the total mass of the liquid detergent. It is. When the blending amount of the component (c) is less than the preferred lower limit value, it may be difficult to obtain the effect of improving the foam persistence. On the other hand, when the preferred upper limit value is exceeded, the foam persistence increases, May be difficult.
• the mass ratio represented by (c) component / [(a) component + (b) component] is preferably 0.1 or more as a lower limit, and is 0.2 or more. More preferably. Moreover, it is preferable that it is 0.5 or less as an upper limit, and it is more preferable that it is 0.4 or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, the mass ratio represented by (c) component / [(a) component + (b) component] is preferably 0.1 to 0.5, preferably 0.2 to 0.4. It is more preferable that When the mass ratio is at least the lower limit, the sustainability of the foam is further improved.
• mass ratio represented by (c) component / [(a) component + (b) component] is the total content of (a) component and (b) component in the liquid detergent. The ratio (mass ratio) of the content of the component (c) with respect to.
• the liquid detergent of the present invention preferably contains compound (d) (hereinafter referred to as “component (d)”).
• component (d) is represented by the following general formula (d1), and at least one of an oxyethylene group and an oxypropylene group is introduced into the alcohol, and the hydrophobic portion (hydrocarbon group) is a ⁇ -position carbon atom. It is a compound having a structure branched into C i H 2i + 1 and C j H 2j + 1 .
• the foaming property is mainly maintained well even when a large amount of oil stains adhere to the sponge, and even when the cleaning agent liquid directly adheres to tableware, etc. Sex is obtained.
• a unique effect by the blending of the component (d), that is, a feeling of elasticity can be felt when the sponge is gripped with a liquid detergent.
• a feeling of elasticity By feeling this elasticity, the number of times the liquid detergent is added to the sponge when washing dishes, cooking utensils, etc. can be reduced, and the amount of liquid detergent used can be reduced. This is because when a liquid detergent is contained in a sponge and gripped, the (a) component, (b) component and (d) component, or (a) to (d) components associate to form a creamy foam. Therefore, it is considered.
• i and j are each an integer of 1 to 6, and 6 ⁇ i + j ⁇ 12.
• PO represents an oxypropylene group
• EO represents an oxyethylene group.
• s represents the average number of repetitions of PO
• t represents the average number of repetitions of EO
• s + t is 6-12.
• i and j are each an integer of 1 to 6, and 6 ⁇ i + j ⁇ 12.
• 6 ⁇ i + j ⁇ 10 is preferable
• 6 ⁇ i + j ⁇ 8 is more preferable
• i + j is 6 or more, the surface activity is increased, the adsorptivity to the liquid surface is increased, and both the foaming property and the sustainability of the foam amount are good when washing dishes with a large amount of oil attached. Become.
• a feeling of elasticity can be felt when the liquid detergent is held in a sponge.
• C i H 2i + 1 and C j H 2j + 1 each include a linear or branched alkyl group, preferably a linear alkyl group, such as a methyl group, an ethyl group, a propyl group, or a butyl group. Preferred examples include a group, a pentyl group and a hexyl group.
• C i H 2i + 1 and C j H 2j + 1 are a combination of an ethyl group and a butyl group, a combination of a propyl group and a pentyl group (the above may be any one of the combinations).
• a combination of a propyl group and a pentyl group (one may be any group) is particularly preferable.
• PO represents an oxypropylene group
• EO represents an oxyethylene group.
• the component (d) has an oxyethylene group in the molecule because the foaming speed and the amount of foam of the liquid cleaning agent are further improved, and a good feeling of elasticity is obtained when it is included in a sponge. More preferable are those having only an oxyethylene group (no oxypropylene group), those having an oxyethylene group and an oxypropylene group and having more oxyethylene groups, and among them, Those having only an ethylene group are particularly preferred.
• the component has an oxyethylene group and an oxypropylene group
• the foaming property when washing dishes with a large amount of oil attached, and a liquid cleaning agent are included in the sponge.
• the average oxypropylene group repeating number (s) is preferably 3 or less, and more preferably 1 or 2 because of excellent elasticity at the time.
• these oxyethylene group and oxypropylene group may be mixed in a random form or in a block form. .
• s represents the average number of repetitions of PO
• t represents the average number of repetitions of EO.
• s + t is 6 to 12, preferably 9 to 10, and more preferably 9 or 10.
• s + t is 6 or more, the foaming property and the sustainability of the foam amount are excellent when washing dishes with a large amount of oil attached.
• s + t is 12 or less, the detergency against oil stains is good.
• a feeling of elasticity can be felt when the liquid detergent is held in a sponge.
• s + t When s + t is 9 or 10, it is more excellent in foaming property and durability of the amount of foam when washing dishes with a large amount of oil attached, and when a liquid detergent is included in a sponge and grasped A feeling of elasticity can be felt more.
• s and t indicate “average” repetition numbers of PO and EO, respectively. Accordingly, the compound represented by the formula (d1) is an aggregate of molecules having different PO and EO repeat numbers.
• the content of the component (d) in the liquid detergent composition is preferably 1% by mass or more, and more preferably 3% by mass or more, as a lower limit.
• the upper limit is preferably 15% by mass or less, and more preferably 10% by mass or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, the content is preferably 1 to 15% by mass, and more preferably 3 to 10% by mass.
• D If content of a component is more than a lower limit, the foaming property and rinse property at the time of washing
• the blending ratio of the component (a), the component (b), and the component (d) is a mass ratio represented by [(a) component + (b) component] / (d) component.
• the lower limit is preferably 1.5 or more, more preferably 2 or more, further preferably 3 or more, and particularly preferably 4 or more.
• the upper limit is preferably 15 or less, more preferably 10 or less, and even more preferably 7 or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, it is preferably 1.5 to 15, more preferably 2 to 15, further preferably 3 to 10, and particularly preferably 4 to 7.
• the mass ratio is not less than the lower limit value, it is easy to obtain a feeling of being washed during washing.
• the “mass ratio represented by [(a) component + (b) component] / (d) component” refers to (a) component and ( b) The ratio (mass ratio) of the total content with the component is represented.
• the mass ratio represented by (c) component / [(a) component + (b) component + (d) component] Is preferably 0.6 or less, more preferably 0.05 to 0.6.
• the mass ratio is less than or equal to the upper limit value, bubbles are more likely to stand up faster even when cleaning dishes or the like having a large amount of oil attached thereto.
• the amount of foam and rinsing properties are also improved.
• the sustainability of the foam is further improved.
• mass ratio represented by (c) component / [(a) component + (b) component + (d) component] refers to (a) component and (b) component in the liquid detergent.
• the ratio (mass ratio) of the content of (c) component with respect to the total content with (d) component is represented.
• the liquid detergent of the present invention preferably further contains a divalent metal salt (e) (hereinafter referred to as “component (e)”).
• component (e) a divalent metal salt
• a detergency improves mainly.
• magnesium salts such as magnesium chloride, magnesium sulfate, magnesium iodide, magnesium nitrate and magnesium bromide
• calcium salts such as calcium chloride, calcium iodide, calcium bromide and calcium nitrate
• zinc nitrate and sulfide examples thereof include zinc salts such as zinc, zinc sulfate, zinc chloride, zinc acetate, ammonium zinc chloride, zinc gluconate, zinc tartrate, zinc perchlorate and zinc oxide.
• zinc salts are preferable, and zinc sulfate and zinc oxide are particularly preferable because they can provide a sterilizing effect and an antibacterial effect in addition to the effect of improving detergency.
• a component may be used individually by 1 type and may be used in combination of 2 or more types as appropriate.
• the blending amount of the component (e) is preferably 0.01% by mass or more, and 0.05% by mass or more as a lower limit with respect to the total mass of the liquid detergent. Is more preferable, and it is further more preferable that it is 0.1 mass% or more. Moreover, it is preferable that it is 2 mass% or less as an upper limit, It is more preferable that it is 1.5 mass% or less, It is further more preferable that it is 1 mass% or less.
• the upper limit value and the lower limit value can be arbitrarily combined.
• the blending amount of the component (e) is more preferably 0.01 to 2% by mass, and more preferably 0.05 to the total mass of the liquid detergent. It is -1.5 mass%, More preferably, it is 0.1-1 mass%.
• the blending amount of the component (e) is less than the preferred lower limit, it is difficult to obtain the effect of improving the detergency. Moreover, it is difficult to obtain a sterilizing effect and an antibacterial effect. On the other hand, even if the preferable upper limit is exceeded, further improvement in detergency, disinfection effect, and improvement in antibacterial effect cannot be expected.
• the preferred concentration of the divalent metal derived from the component (e) is preferably 0.001% by mass or more as a lower limit with respect to the total mass of the liquid detergent. More preferably, the content is 0.01% by mass or more. As an upper limit, it is preferable that it is 0.5 mass% or less, and it is more preferable that it is 0.4 mass% or less. The upper limit value and the lower limit value can be arbitrarily combined.
• the preferred concentration of the divalent metal derived from the component (e) is more specifically 0.001 to 0.5% by mass with respect to the total mass of the liquid detergent. Preferably, the content is 0.01 to 0.4% by mass.
• the concentration of the divalent metal derived from the component (e) with respect to the total mass of the liquid detergent can be determined as follows.
• the content (% by mass) of zinc in the liquid detergent is as follows.
• the mass ratio represented by (a) component / (divalent metal) is preferably 150 to 3000, more preferably 200 to 3000.
• mass ratio represented by (a) component / (divalent metal) is the content of component (a) relative to the content of divalent metal derived from component (e) in the liquid detergent. Represents the ratio (mass ratio).
• the liquid detergent of the present invention preferably contains compound (f) (hereinafter referred to as “component (f)”).
• component (f) is an alkyl glyceryl ether represented by the following general formula (f1), and the hand skin when washing dishes and the like is used by combining the component (a) and the component (b). The nulling is suppressed.
• R 1 represents a linear or branched alkyl group having 6 to 14 carbon atoms, or a linear or branched alkenyl group having 6 to 14 carbon atoms.
• n represents an average number of repetitions and is a number of 1 to 4.
• R 1 is a linear or branched alkyl group having 6 to 14 carbon atoms, or a linear or branched alkenyl group having 6 to 14 carbon atoms.
• the number of carbon atoms is 6 to 14, and it is preferable that the number of carbon atoms is 6 to 12 because nulling of the hand skin when washing dishes and the like is easily suppressed. More preferably, it has 6 to 11 carbon atoms, still more preferably 6 to 10 carbon atoms, and particularly preferably 8 to 10 carbon atoms.
• R 1 is preferably a linear or branched alkyl group having 6 to 14 carbon atoms because it can further suppress the nulling of the hand skin, and specifically includes an n-hexyl group, Examples include isohexyl group, n-heptyl group, n-octyl group, 2-ethylhexyl group, n-nonyl group, n-decyl group, isodecyl group, n-lauryl group, and the like, and 2-ethylhexyl group and isodecyl group are particularly preferable.
• n represents the average number of repetitions of (CH 2 CH (OH) CH 2 O), and is a number of 1 to 4, preferably a number of 1 to 2, more preferably 1 It is.
• a component may be used individually by 1 type and may be used in combination of 2 or more types as appropriate.
• the component (f) 2-ethylhexyl glyceryl ether and isodecyl glyceryl ether are preferable because 2-n-hexyl glyceryl ether and isodecyl glyceryl ether are preferable from the viewpoints that the nullification of the hand skin is more easily suppressed and the foaming property is good.
• Most preferred is glyceryl ether.
• the blending amount of the component (f) is preferably 0.1% by mass or more, and 0.3% by mass or more as a lower limit with respect to the total mass of the liquid detergent.
• the upper limit is preferably 10% by mass or less, more preferably 8% by mass or less, and further preferably 7% by mass or less.
• the upper limit value and the lower limit value can be arbitrarily combined. More specifically, the content is preferably 0.1 to 10% by mass, more preferably 0.3 to 8% by mass, and still more preferably 0.5 to 7% by mass.
• the “mass ratio represented by [(a) component + (b) component] / (f) component” refers to (a) component and (f) content of the (f) component in the liquid detergent ( b)
• the ratio (mass ratio) of the total content with the component is represented.
• the mixing ratio of the component (a), the component (b), and the component (f) is such that the mass ratio represented by [(a) component + (b) component] / (f) component is 3 or more as a lower limit.
• it is 6 or more.
• the upper limit is preferably 160 or less, more preferably 125 or less, and even more preferably 10 or less.
• the upper limit value and the lower limit value can be arbitrarily combined.
• the mass ratio is at least the lower limit value, more preferably 3 to 125, particularly preferably 3 to 10, and most preferably 6 to 10.
• the mass ratio is at least the lower limit value, the detergency against oil stains is further improved.
• it is equal to or lower than the upper limit value nulling of the hand skin when washing tableware and the like is further suppressed.
• the liquid detergent of the present invention preferably further contains a hydrotrope agent (g) (hereinafter referred to as “component (g)”).
• component (g) a hydrotrope agent
• the storage stability (particularly low-temperature stability) of the liquid detergent is mainly improved, and it becomes easier to ensure a more stable transparent appearance.
• Examples of the component (g) include aromatic sulfonic acids or salts thereof, aromatic carboxylic acids or salts thereof, alcohols having 2 to 4 carbon atoms, and other water-soluble solvents.
• Examples of the aromatic sulfonic acid include toluene sulfonic acid, cumene sulfonic acid, xylene sulfonic acid, substituted or unsubstituted naphthalene sulfonic acid and the like, and among them, toluene sulfonic acid and cumene sulfonic acid are preferable.
• Toluene sulfonic acid and cumene sulfonic acid may be any of three isomers, o-form, m-form and p-form, respectively, and p-form is preferred because it is easily available, and among these, p- Toluenesulfonic acid is more preferred.
• the aromatic carboxylic acid include benzoic acid.
• Salt forms of aromatic sulfonates and aromatic carboxylates include alkali metal salts such as sodium and potassium; alkaline earth metal salts such as magnesium and calcium; ammonium salts; monoethanolamine, diethanolamine, Examples include alkanolamine salts such as ethanolamine. Of these, alkali metal salts are preferable, and sodium salts are more preferable.
• examples of the monohydric alcohol include ethanol, 1-propanol, 2-propanol, 1-butanol and the like.
• examples of the polyhydric alcohol having 2 to 4 carbon atoms include ethylene glycol, propylene glycol, butylene glycol, glycerin and the like.
• examples of water-soluble solvents other than the above include polyethylene glycol and phenyl glycol.
• a component may be used individually by 1 type and may be used in combination of 2 or more types as appropriate.
• the component (g) is excellent in storage stability even under a low temperature condition, and therefore, from the group consisting of an aromatic sulfonic acid or a salt thereof, an aromatic carboxylic acid or a salt thereof, and an alcohol having 2 to 4 carbon atoms. It is preferable to use at least one selected. Among these, it is preferable to use at least two selected from the group consisting of aromatic sulfonic acids, aromatic sulfonates, aromatic carboxylic acids, aromatic carboxylates, and alcohols having 2 to 4 carbon atoms.
• sulfonic acid it is more preferable to use at least two selected from the group consisting of sulfonic acid, toluenesulfonic acid salt, cumenesulfonic acid, cumenesulfonic acid salt, benzoic acid, benzoic acid salt and ethanol, and among them, toluenesulfonic acid, It is particularly preferable to use ethanol in combination with at least one selected from the group consisting of toluene sulfonate, cumene sulfonate, cumene sulfonate, benzoic acid and benzoate.
• the blending amount of the component (g) is preferably 5% by mass or more and more preferably 6% by mass or more as a lower limit with respect to the total mass of the liquid detergent.
• As an upper limit it is preferable that it is 30 mass% or less, It is more preferable that it is 20 mass% or less, It is further more preferable that it is 10 mass% or less.
• the upper limit value and the lower limit value can be arbitrarily combined.
• the blending amount of the component (g) is more preferably 5 to 30% by mass, and more preferably 5 to 20% by mass with respect to the total mass of the liquid detergent. More preferably, it is 6 to 10% by mass.
• the blending amount of the component (g) is less than the preferred lower limit value, the blending effect of the component (g) may not be sufficiently obtained.
• the blending amount exceeds the preferred upper limit value the cleaning power may be reduced. .
• the mass ratio represented by (g) component / [(a) component + (b) component] is preferably 0.15 to 0.5.
• the mass ratio represented by (g) component / [(a) component + (b) component + (d) component] is 0.15 or more as a lower limit. It is preferable that it is 0.2 or more.
• the upper limit is preferably 0.5 or less, and more preferably 0.4 or less. The upper limit value and the lower limit value can be arbitrarily combined.
• mass ratio represented by (g) component / [(a) component + (b) component + (d) component] refers to (a) component and (b) component in the liquid detergent. The ratio (mass ratio) of the content of (g) component with respect to the total content with (d) component is represented.
• a surfactant other than the above components (a) and (b) a pH adjuster such as sodium hydroxide, sulfuric acid, glycolic acid; Chelating agents, antioxidants, colorants, enzymes, fragrances, and the like can also be optionally blended.
• the pH of the liquid detergent of the present invention is preferably 5 to 8 at 25 ° C., more preferably 6.5 to 7.5.
• the pH of the liquid cleaning agent is 5 or more, the interaction between the component (a) and the component (b) is not too strong and can be moderately suppressed, so both components dissolve well and the liquid detergent has a transparent appearance. Makes it easier to keep more stable. In addition, gelation or solidification of the liquid detergent is less likely to occur.
• the pH is 8 or less, the interaction between the component (a) and the component (b) does not become too weak, and the detergency against oil stains is further improved. Moreover, the persistence of foaming and foaming (foaming property and foam amount) of the liquid cleaning agent is further improved.
• the pH of the liquid detergent (controlled at 25 ° C.) is a value measured by a method based on JIS K3362-1998 using a pH meter (product name: Horiba F-22, manufactured by Horiba, Ltd.). .
• one aspect of the liquid cleaning agent of the present invention includes a compound (a) of a sulfate ester salt having a branched structure represented by the general formula (a1), an amphoteric surfactant, and a semipolar surfactant. At least one (b) is contained in a predetermined blending ratio (mass ratio of 0.5 to 6 represented by component (a) / component (b)).
• a blending ratio mass ratio of 0.5 to 6 represented by component (a) / component (b)
• the component (a) can form a stable association state by mixing with the component (b) at a predetermined blending ratio.
• the component (a) having a specific structure branched at the ⁇ -position has a higher dynamic interfacial tension lowering ability than a general linear or branched anionic surfactant. Therefore, the component (a) has a high diffusion speed in the cleaning liquid, and accordingly, the component (a) and the component (b) do not stay long between the sponge and the tableware.
• the liquid detergent of the present invention has a high detergency, is easy to foam, and has good rinsing properties.
• the reason is presumed as follows. As described above, since the component (a) has a high ability to reduce the dynamic surface tension, the component (a) is quickly adsorbed to oil stains and the like, and the component (b) is quickly adsorbed to oil stains. Therefore, the decomposition (dispersion and dissolution) of the oil stain is promoted. Further, since the surfactant molecular film is formed quickly, it is considered that bubbles are likely to be formed (foaming is quick).
• the hydrophobic group tends to be bulky compared to a general branched anionic surfactant. For this reason, it is presumed that rinsing properties (goodness of bubble breakage, non-nullness) are improved by being difficult to orientate densely at the gas-liquid interface and being easy to break when the cleaning liquid is diluted.
• an anionic surfactant (a) having a specific branched structure and at least one of an amphoteric surfactant and a semipolar surfactant (b) are mixed at a predetermined ratio. (Mass ratio represented by component (a) / component (b) 0.5 to 6) and a nonionic surfactant (d) having a specific branched structure.
• the component (a) having a specific structure branched at the ⁇ -position has a higher dynamic interfacial tension reducing ability than a general linear or branched anionic surfactant. Thereby, (a) component can be quickly orientated to the interface when a new interface is formed.
• the component (d) having a specific structure branched at the ⁇ -position also has a characteristic that it is rapidly oriented at the gas-liquid interface during cleaning. Along with this, the orientation of the component (b) to the gas-liquid interface also becomes faster.
• the component (b) is blended with the component (a) at a predetermined ratio, and after the components (a) to (d) are oriented at the gas-liquid interface, the static between the components (a) and (b) A stable association state is formed by the electrical action and the interaction between the oxyalkylene group having an appropriate number of repetitions in the components (a) and (d) and the hydrophilic portion in the component (b). .
• formation of the surfactant molecular film of the components (a) to (d) is promoted. For this reason, it is considered that bubbles are formed quickly and abundant amounts of bubbles are formed quickly even when washing dishes with a large amount of oil attached thereto.
• both the component (a) and the component (d) have a ⁇ -position branched structure
• the hydrophobic group tends to be bulky as compared with a general branched anionic surfactant. For this reason, it is hard to orientate densely at a gas-liquid interface, and when a cleaning liquid is diluted, it is easy to bubble-break. For this reason, it is thought that the rinsing property is good.
• the liquid detergent of this invention has the outstanding washing
• One aspect of the liquid detergent of the present invention includes an anionic surfactant (a) having a specific branched structure, at least one of an amphoteric surfactant and a semipolar surfactant (b), and a specific alkyl glyceryl ether. (F).
• the component (a) having a specific structure branched at the ⁇ -position has a higher dynamic interfacial tension reducing ability than a general linear or branched anionic surfactant. Thereby, (a) component can be quickly orientated to the interface when a new interface is formed.
• the component (a) is quickly adsorbed to the oil stain and the like, and the adsorption of the component (b) to the oil stain is also accelerated, and the decomposition (dispersion and dissolution) of the oil stain is promoted.
• the component (a) since the component (a) has a ⁇ -position branched structure, the hydrophobic group tends to be bulky as compared with a general branched anionic surfactant. For this reason, it is hard to orientate densely at the interface and is easily washed away by rinsing.
• the component (a), the component (b) and the component (f) as described above due to the synergistic action of the component (a), the component (b) and the component (f) as described above, a large amount of liquid cleaning agent is particularly added to the sponge and the amount used is increased. Even if it is a case, since these components are washed away from a finger
• the liquid cleaning agent of the present invention has a high concentration of surfactant when it is washed while pouring onto a sponge, so the hand skin may become null due to an excess of the surfactant. Is preferred.
• each of the liquid detergents of each example was prepared by the following production method (when there is an unblended component, the component is not blended).
• the unit of the blending amount in the table is “mass%”, and all the components indicate the amount in terms of pure content.
• the component (e) the blending amount as a divalent metal salt (e-1 and e-2 are hydrated salts) is shown in the upper part, and the divalent metal equivalent is shown in the parentheses in the lower part.
• the divalent metal equivalent for e-1 and e-2 is the zinc equivalent
• the divalent metal equivalent for e-3 is the magnesium equivalent.
• the liquid detergent of each example was prepared by balancing with water so that the total of each component described in the table was 100% by mass. Each component used was kept at 50 ° C.
• “Balance” indicating the blending amount of water means the balance added so that the total blending amount (% by mass) of all the blending components contained in the liquid detergent is 100% by mass.
• “Suitable amount” indicating the blending amount of sodium hydroxide indicates the amount of sodium hydroxide blended in order to adjust the pH (25 ° C.) of the liquid detergent to 7.0 after blending a predetermined amount of glycolic acid. .
• the pH was measured by adjusting the liquid detergent to 25 ° C. and using a glass electrode type pH meter (product name: Horiba F-22, manufactured by Horiba, Ltd.). The measuring method was performed according to JIS K3362-1998.
• (a) / (b) means the ratio (mass ratio) of the content of component (a) to the content of component (b) in the liquid detergent.
• (C) / [(a) + (b)] is the ratio (mass ratio) of the content of component (c) to the total content of component (a) and component (b) in the liquid detergent.
• (A) / (Divalent metal) means the ratio (mass ratio) of the content of the component (a) to the content of the divalent metal derived from the component (e) in the liquid detergent.
• [(A) + (b)] / (d) is the ratio (mass ratio) of the total content of the component (a) and the component (b) to the content of the component (d) in the liquid detergent.
• Means. (C) / [(a) + (b) + (d)] is the component (c) relative to the total content of the components (a), (b), and (d) in the liquid detergent.
• the ratio (mass ratio) of the content of. [(A) + (b)] / (f) is the ratio (mass ratio) of the total content of the component (a) and the component (b) to the content of the component (f) in the liquid detergent.
• (G) / [(a) + (b) + (d)] is the component (g) relative to the total content of component (a), component (b) and component (d) in the liquid detergent.
• Preparation example of a-2 It was prepared in the same manner as a-1, except that 334 g of “Lutensol XP40” manufactured by BASF was used instead of “Lutensol XP30” manufactured by BASF.
• Preparation example of a-3 It was prepared in the same manner as a-1 except that 349 g of “Lutensol XL40” manufactured by BASF was used instead of “Lutensol XP30” manufactured by BASF.
• sulfan liquid sulfuric anhydride
• a′-3 Sulfur oxide of an addition product of an average of 3 moles of ethylene oxide of a branched alcohol having 13 carbon atoms.
• BASF “Lutensol TO3” (332 g) was placed in a 500 mL flask equipped with a stirrer, and after nitrogen substitution, 81 g of liquid sulfuric anhydride (sulfan) was slowly added dropwise while maintaining the reaction temperature at 40 ° C. After completion of the dropwise addition, stirring was continued for 1 hour to obtain the desired polyoxyethylene alkyl ether sulfuric acid. Further, this was neutralized with an aqueous sodium hydroxide solution to obtain a′-3.
• a′-4 Sulfur oxide of an addition product of an average of 3 moles of ethylene oxide of a synthetic alcohol having 12 to 13 carbon atoms.
• a 4 L autoclave was charged with 400 g of a trade name “Safol23” manufactured by Sasol and 0.8 g of a potassium hydroxide catalyst. The autoclave was purged with nitrogen and heated while stirring. Thereafter, 271 g of ethylene oxide was introduced while maintaining a temperature of 180 ° C. and a pressure of 0.3 mPa, to obtain a reaction product having an average added mole number of ethylene oxide of 3.
• a′-5 Sulfur oxide of an addition product of an average of 2 moles of ethylene oxide of a synthetic alcohol having 12 to 13 carbon atoms.
• a′-5 Sulfur oxide of an addition product of an average of 2 moles of ethylene oxide of a synthetic alcohol having 12 to 13 carbon atoms.
• 400 g of “Neodol 23” (trade name) manufactured by Shell and 0.8 g of potassium hydroxide catalyst were charged, and the autoclave was purged with nitrogen and heated while stirring. Thereafter, 181 g of ethylene oxide was introduced while maintaining the temperature at 180 ° C. and the pressure of 0.3 mPa, to obtain a reaction product having an average addition mole number of ethylene oxide of 2.
• Component b-1 AX, C12 alkyl dimethylamine oxide (manufactured by Lion Akzo, trade name “Aromox DM12D-W”).
• b-2 HSB, N-lauryl-N, N-dimethyl-N- (2-hydroxy-1-sulfopropyl) ammonium sulfobetaine, abbreviation C12 hydroxysulfobetaine (trade name “Amphitol 20HD” manufactured by Kao Corporation) .
• lauric acid monoethanolamide was charged into a 1 L autoclave, 1.0 mol of ethylene oxide was charged with respect to lauric acid monoethanolamide, and an addition reaction was performed at 90 ° C. for 2 hours to obtain C12MEA (2). It was.
• C10MEA (2) polyoxyethylene capric acid monoethanolamide
• R 6 in the above formula (c1) a linear alkyl group having 9 carbon atoms
• m 2.
• CME (2) [Preparation example of c-2] C10MEA (2) was prepared in the same manner as C12MEA (2), except that methyl caprate (manufactured by Lion Corporation, trade name “Pastel M-10”) was used instead of methyl laurate.
• component (d ′) -Comparison component of component (d) [hereinafter referred to as “component (d ′)”.
• (E) Component e-1 Zinc sulfate heptahydrate, manufactured by Junsei Chemical Co., Ltd., reagent grade (molecular weight of heptahydrate 289).
• e-2 Zinc oxide, manufactured by Mitsui Kinzoku Co., Ltd. (molecular weight 81).
• e-3 Magnesium sulfate heptahydrate, manufactured by Umai Kasei Kogyo, purified magnesium sulfate (molecular weight of 247 heptahydrate).
• (f ′) Component comparison component [hereinafter referred to as “(f ′) component”.
• g-2 Ethanol, manufactured by Junsei Chemical Co., Ltd., reagent grade.
• PEG1000 Polyethylene glycol 1000, manufactured by Lion Corporation, trade name “PEG # 1000” (average molecular weight 1000).
• Glycolic acid DuPont's trade name “Grip Pure 70”.
• Na hydroxide sodium hydroxide, manufactured by Tsurumi Soda Co., Ltd.
• Water tap water.
• evaluation criteria The average value of 5 times was within 30 seconds.
• A The average value of 5 times was within the range of 31 to 35 seconds.
• B The average value of 5 times was in the range of 36 to 40 seconds.
• C The average value of 5 times was 41 seconds or more.
• the number of ceramic plates was 24 or more.
• A The ratio of the foam covering the sponge surface was 80% or more and less than 100% of the surface area of the sponge.
• B The ratio of the foam covering the sponge surface was 50% or more and less than 80% of the surface area of the sponge.
• C The ratio of the foam covering the sponge surface was less than 50% of the surface area of the sponge.
• the rinsing time was 3 seconds or more and less than 6 seconds.
• the measurement of the rinsing time was performed by five persons, the average value of the five persons was calculated, and the nullability of the hand skin was evaluated according to the following evaluation criteria.
• a and S were assumed to have good nullness of the hand skin.
• Rinse time (average value of 5 people) until there is no null fingering SS: 4 seconds or less. S: It was within the range of 5 to 7 seconds. A: It was within the range of 8 to 10 seconds. B: It was within the range of 11 to 20 seconds. C: It was 21 seconds or more.
• the liquid detergents of Examples 30 to 58 to which the present invention is applied have excellent feeling after washing, excellent foaming property against dirt with a large amount of oil, and good rinsing properties. I understand that.
• the liquid cleaning agents of Examples 59 to 76 to which the present invention is applied have excellent cleaning performance, and the hand skin is prevented from being null when cleaning dishes and the like. I understand that.
• liquid cleaning agent of the present invention it is possible to realize that the dirt has been removed even if the dishes are covered with foam during cleaning while maintaining the foaming power.

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