JP2013237836A - Detergent composition for clothing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent composition capable of reducing remaining of sebum in clothing after washing by removing components usually supposed to hardly come out and be liable to remain from clothing, in the case of using immersion washing.SOLUTION: A detergent composition for clothing contains ≥10 mass% and ≤70 mass% of (a) a surfactant and ≥5 mass% and ≤50 mass% of (b) an alkali agent, wherein the (a) component contains a specific acid amide compound (a-1), here, the (a-1) component accounts for ≥20 mass% of the (a) component and ≥5 mass% of the composition; the (a) component further contains ≥0 mass% and ≤20 mass% of a nonionic surfactant (a-3) excluding the (a-1) component in the (a) component.

Description

  The present invention relates to a cleaning composition for clothing.

  In recent years, lack of detergency has been cited as a global laundry issue. In Asia, the frequency of washing is low despite the high temperature and the amount of dirt that is generated at one time. Therefore, accumulation of dirt on clothing has become a problem, and improvement in cleaning power is demanded. In Asia, these stains are dealt with by immersing them in a detergent solution for a certain period of time and then washing the hands.

  So far, it has been known that when monoethanolamide is used as an auxiliary activator, the detergency and foamability, and the stability and solubility of the detergent particles are improved. For example, Patent Document 1 contains a monoethanolamide compound represented by the general formula and a polymer having a carboxylic acid group, a water-insoluble inorganic substance, a water-soluble inorganic substance, and an activator other than the monoethanolamide compound, so that the detergency, stability and A powder detergent composition for clothing having excellent solubility is disclosed.

JP 2002-294283 A

  However, in conventional detergent systems, a certain level of detergency can be provided by dip cleaning compared to washing in a washing machine, but there is still a problem that the sebum still remains in clothing. This has led to a lack of cleansing power such as appearance and odor.

  Accordingly, an object of the present invention relates to a garment cleaning composition that exhibits excellent detergency against sebum stains in garment washing, and moreover, in the case of using dip washing, it is said that it usually remains difficult to fall off. An object of the present invention is to provide a cleaning composition that can reduce the remaining of sebum in the garment after washing by removing the components that are present from the garment.

That is, the gist of the present invention is as follows.
[1] A clothing cleaning composition comprising (a) 10% by mass to 70% by mass of a surfactant, and (b) 5% by mass to 50% by mass of an alkaline agent,
As the component (a), the general formula (I):

[Wherein, R ¹ represents a chain hydrocarbon group having 9 carbon atoms, R ² represents an alkyl group having 1 to ³ carbon atoms, and R ³ represents an alkylene group or an alkenylene group having 1 to 6 carbon atoms. The component (a-1) is a compound represented by the formula: wherein the component (a-1) occupies at least 20% by mass of the component (a), and the component (a-1) It occupies at least 5% by mass of the detergent composition for clothing, and as component (a), nonionic surfactant (a-3) other than component (a-1) is added to component (a). A cleaning composition for clothing containing 0% by mass or more and 20% by mass or less; and [2] immersing the clothing in a cleaning solution obtained by diluting the cleaning composition for clothing according to [1] with water. A method for washing clothes, including a step of:

  ADVANTAGE OF THE INVENTION According to this invention, the washing | cleaning composition for clothing which has the outstanding cleaning power with respect to the sebum dirt adhering to clothing, and the washing | cleaning method of clothing using the same can be provided.

  In the present invention, clothing refers to all textile products or fabric products used by people such as underwear, shirts, trousers, socks, towels, handkerchiefs, sheets, macula covers, bath mats, cloth shoes, etc. It shall refer to all textile products used for washing.

<(A) component>
The component (a) is a surfactant. (A) component (1) component (a-1) described later as an essential component, (2) anionic surfactant [(a-2) component], (3) other than (a-1) component Nonionic surfactant [(a-3) component] and (4) A surfactant containing a surfactant other than the components (a-1) to (a-3) as necessary. The surfactant constituting the component (a) is not particularly limited, and various surfactants known in the field of the present invention can be mentioned.

  The cleaning composition of the present invention contains (a) component in an amount of 10% by mass to 70% by mass, preferably 10% by mass to 50% by mass, and more preferably 15% by mass to 40% by mass. From the viewpoint of detergency, the component (a) is preferably contained at 10% by mass or more, and from the viewpoint of detergency, the component (a) is preferably contained at 70% by mass or less.

  As the component (a), the general formula (I):

[Wherein, R ¹ represents a chain hydrocarbon group having 9 carbon atoms, R ² represents an alkyl group having 1 to ³ carbon atoms, and R ³ represents an alkylene group or an alkenylene group having 1 to 6 carbon atoms. ] A predetermined amount of the compound represented by formula (a-1) is contained. More specifically, the component (a-1) accounts for at least 20% by mass of the component (a), that is, 20% by mass or more of the total mass of the component (a), preferably 25% by mass or more and 60% by mass or less. More preferably 25% by mass or more and 40% by mass or less. From the viewpoint of detergency, the component (a-1) preferably occupies at least 20% by mass of the component (a). From the viewpoint of detergency, the component (a-1) is 60% by mass or less of the component (a). Preferably. Furthermore, the component (a-1) is contained in the cleaning composition of the present invention at least 5% by mass, preferably 10% by mass or more, more preferably 15% by mass or more, from the viewpoint of detergency against sebum dirt. More preferably, it is 30% by mass or more. From the viewpoint of detergency against sebum dirt, the component (a-1) accounts for at least 20% by mass of the component (a), and is preferably contained at least 5% by mass in the cleaning composition of the present invention.

R ¹ in the general formula (I) is a chain hydrocarbon group having 9 carbon atoms, preferably a saturated or unsaturated chain hydrocarbon group having 9 carbon atoms. Specifically, preferred examples of R ¹ —CO— include an acyl group derived from decanoic acid, 4-ethyloctanoic acid and the like. More preferred is an acyl group derived from linear decanoic acid. Regarding the carbon number of R ¹ in the general formula (I), those having a carbon number other than 9 are known, but in the case of garment dipping and washing, the general formula in which the carbon number of R ¹ is 9 ( When the compound represented by I) is used, a high detergency is exhibited.

R ² in the general formula (I) is an alkyl group having 1 to 3 carbon atoms, preferably a linear or branched alkyl group having 1 to 3 carbon atoms, more preferably a methyl group or an ethyl group, A methyl group is preferred.

R ³ in the general formula (I) is an alkylene group having 1 to 6 carbon atoms or an alkenylene group, a linear or branched alkylene group having 1 to 6 carbon atoms, or a linear or branched chain having 2 to 6 carbon atoms. The alkenylene group is preferably a linear or branched alkylene group having 2 or 3 carbon atoms. More specifically, it is a group selected from 1,2-ethylene group, 1,3-propylene group and 1,2-propylene group. From the viewpoint of obtaining higher detergency, a preferable alkylene group is a group selected from a 1,2-ethylene group and a 1,2-propylene group, and more preferably a 1,2-ethylene group.

  Specific examples of the component (a-1) include N-ethanol-N-methyldecanoic acid amide and N-isopropanol-N-ethyldecanoic acid amide. The component (a-1) is preferably N-ethanol-N-methyldecanoic acid amide in that higher detergency can be obtained.

  (A-1) The manufacturing method of a component is not specifically limited, For example, dehydration or dealcoholization reaction of fatty acid or fatty acid lower alcohol ester and alkanolamine, reaction of fatty acid halide and alkanolamine under an alkali catalyst, or oil and fat It can be produced using an ester-amide exchange reaction between alkanolamine and alkanolamine.

  The component (a-1) obtained by these methods may contain a small amount of fatty acid, inorganic salt, glycerin and the like, but they do not affect the performance of the composition of the present invention.

  As the surfactant constituting the component (a) other than the component (a-1), an anionic surfactant, that is, the component (a-2), a nonionic surfactant other than the component (a-1), That is, (a-3) component is mentioned, In addition, arbitrary cationic surfactants are mentioned. It is preferable to use an anionic surfactant (a-2) as an essential component in terms of detergency. In particular, an anionic surfactant (a-2) is preferable in terms of detergency against mud dirt.

  In the component (a-2), as the anionic surfactant, a sulfate ester salt of an alcohol having 10 to 18 carbon atoms, a sulfate ester salt of an alkoxylated product of an alcohol having 8 to 20 carbon atoms, an alkylbenzene sulfonate, a paraffin sulfone Acid salts, α-olefin sulfonates, α-sulfo fatty acid salts, α-sulfo fatty acid alkyl ester salts or fatty acid salts are preferred. In the present invention, a linear alkylbenzene sulfonate having 10 to 14 carbon atoms in the alkyl chain is preferable, and a linear alkylbenzene sulfonate having 12 to 14 carbon atoms in the alkyl chain is more preferable. The counter ion constituting the anionic surfactant is preferably a cation derived from an alkali metal or an amine, more preferably a cation derived from sodium and / or potassium, monoethanolamine or diethanolamine.

  As a preferable example of the component (a-2) that can be used in combination with the component (a-1), a sodium salt, a potassium salt, and a monoethanolammonium salt of an alkylbenzenesulfonic acid having an alkyl group having 10 to 14 carbon atoms. 1 type or more selected from the group which consists of. Specific examples of the component (a-2) include linear sodium dodecylbenzene sulfonate and linear potassium tetradecylbenzene sulfonate.

  The component (a-2) is preferably contained in the cleaning composition of the present invention in an amount of 5 to 65% by mass, more preferably 8 to 40% by mass, and more preferably 10 to 10% by mass. More preferably, the content is 30% by mass or less. From the viewpoint of solubility and detergency, the component (a-2) is preferably contained in the cleaning composition of the present invention in an amount of 5% by mass or more. From the viewpoint of solubility and detergency, the component (a-2) Is preferably contained in an amount of 65% by mass or less in the cleaning composition of the present invention.

  From the viewpoint of achieving both high detergency against mud dirt and sebum dirt, the total mass ratio of the component (a-1), the component (a-1) and the component (a-2) in the cleaning composition, , (A-1) component / [(a-1) component + (a-2) component] is preferably 0.2 or more and 0.8 or less, more preferably 0.2 or more and 0.5 or less. More preferably, it is 2 or more and 0.3 or less.

  Examples of the nonionic surfactant in the component (a-3) include a polyoxyalkylene alkyl ether type nonionic surfactant and monoethanolamide that does not satisfy the definition of the component (a-1).

  Specific examples of the component (a-3) include polyoxyethylene alkyl ether and dodecinoyl monoethanolamide. The polyoxyethylene alkyl ether is preferably a polyoxyethylene alkyl ether represented by the following general formula (II).

RO- (AO) n-H (II)
[In the formula, the R group is an aliphatic hydrocarbon group having 10 to 16 carbon atoms, the AO group is an alkyleneoxy group having 2 to 3 carbon atoms, n represents the average number of added moles, 6 or more, The number is 30 or less. ]

  From the viewpoint of availability of raw materials, the R group is preferably a linear or branched alkyl group having 10 to 16 carbon atoms. Specifically, the R group is more preferably a group selected from 1-decyl group, 1-dodecyl group, 1-tetradecyl group and 1-hexadecyl group, more preferably a group selected from 1-dodecyl group and 1-tetradecyl group. preferable. A specific example of the alkyleneoxy group is a group selected from an ethyleneoxy group and a 1,2-propyleneoxy group. (A-1) From the point which does not inhibit the sebum cleaning effect by a component, n is preferably 8 or more, more preferably 10 or more, and particularly preferably 12 or more. From the viewpoint of versatility, 25 or less is preferable, and 20 or less is more preferable.

  The content of the component (a-3) excludes the concentrations of the component (a-1) and the component (a-2) described above from the component (a) and an arbitrary cationic surfactant of 2% by mass or less. The remainder may be sufficient. The component (a-3) is preferably contained, for example, in the surfactant of the component (a) in the present invention in an amount of 0 to 20% by mass, and 0 to 10% by mass in order to increase the detergency when immersed. It is more preferable that 0 to 4% by mass is contained.

  The content of the component (a-3) excludes the concentrations of the component (a-1) and the component (a-2) described above from the component (a) and an arbitrary cationic surfactant of 2% by mass or less. The remainder may be sufficient. The component (a-3) is preferably contained in an amount of 0% by mass or more and 20% by mass or less, for example, in the surfactant of the component (a) in the present invention, in order to increase the detergency when dipped. % Or more and 10% by mass or less is more preferable, and 0% by mass or more and 4% by mass or less is even more preferable.

  When the amount of the component (a-3) is too large, the component (a-3) is stably emulsified, dispersed, or in the cleaning liquid containing the detergent composition for clothing of the present invention, depending on the component (a-3). Solubilization is considered. As a result, it is considered that the component (a-1) is less likely to be adsorbed by sebum dirt adhering to the clothing, and the cleaning effect of the sebum by the cleaning composition is reduced.

  As one mode of a more preferable combination, (a) component is 10 mass% or more and 70 mass% or less of a composition, (a-1) component occupies at least 20 mass% of (a) component, and is a detergency. In the cleaning composition at least 5% by mass, preferably 10% by mass or more and 30% by mass or less, and the component (a-2) is 5% by mass or more and 65% by mass in the cleaning composition in terms of detergency. Or less, preferably 8% by mass or more and 40% by mass or less, and the component (a-3) is contained in the remainder, preferably 0% by mass or more and 20% by mass or less in the surfactant of the component (a). And a combination of the cleaning compositions. As a still more preferable embodiment, the component (a) is 10% by mass or more and 50% by mass or less, and the component (a-1) occupies 25% by mass or more and 40% by mass or less in the component (a). In the detergent composition, it is contained in an amount of 10% by mass to 30% by mass, preferably 15% by mass to 25% by mass, and the component (a-2) is 8% by mass in the detergent composition from the viewpoint of detergency. 40 mass% or less, Preferably it is 10 mass% or more and 30 mass% or less, and (a-3) component is 0-20 mass in surfactant of (a) component from a viewpoint of improvement of pickling detergency. %, Preferably 0 to 10% by mass, and more preferably 0 to 4% by mass.

  In particular, from the viewpoint of achieving both high detergency against mud dirt and sebum dirt, as an embodiment of a preferred combination, the component (a) is 10% by mass or more and 70% by mass or less in the detergent composition, 1) The component occupies at least 20% by mass of the component (a) and is contained in the cleaning composition at least 5% by mass in terms of detergency, and the component (a-1) in the cleaning composition, The total mass ratio of the a-1) component and the (a-2) component, that is, (a-1) component / [(a-1) component + (a-2) component] is preferably 0.2 or more , 0.8 or less, more preferably 0.2 or more, 0.5 or less, further preferably 0.2 or more and 0.3 or less, from the viewpoint of improving the detergency (a- 3) Component is 0-20 mass% in component (a), preferably 0-10 mass%, more preferably It contained 0-4 wt%, the cleaning compositions of combinations thereof that.

  In particular, from the viewpoint of achieving both high detergency against mud dirt and sebum dirt, as an embodiment of a preferred combination, the component (a) is 10% by mass or more and 70% by mass or less in the detergent composition, 1) The component occupies at least 20% by mass of the component (a) and is contained in the cleaning composition at least 5% by mass in terms of detergency, and the component (a-1) in the cleaning composition, The total mass ratio of the a-1) component and the (a-2) component, that is, (a-1) component / [(a-1) component + (a-2) component] is preferably 0.2 or more , 0.8 or less, more preferably 0.2 or more, 0.5 or less, further preferably 0.2 or more and 0.3 or less, from the viewpoint of improving the detergency (a- 3) The component is 0% by mass or more and 20% by mass or less, preferably 0% by mass or more in the component (a), 0 wt% or less, more preferably 0 wt% or more, is contained 4 wt% or less, the cleaning compositions of combinations thereof that.

  Of course, the preferable concentration values in the compositions of (a-1), (a-2) and (a-3) described above, and the preferable ratio in the component (a) occupied by them are as described above (a ) The ratio is consistent with the concentration range of the component to the preferred concentration range, and the concentration of the specific compound does not exceed the specified concentration of the superordinate concept.

<(B) component>
The alkali agent preferably has a solubility in 100 g of water at 20 ° C. of 5 g or more, more preferably 10 g or more. Examples of the alkali agent include carbonates, hydrogen carbonates, sulfites, hydrogen sulfates, alkali metal salts such as phosphates, ammonium salts, and amine salts. As the component (b), alkali metal carbonates and alkali metal hydrogen carbonates are preferable, and specific examples include sodium carbonate, potassium carbonate, and sodium hydrogen carbonate. Such components are used when the composition of the present invention is a powder detergent. It is even more preferable to use for the above. In terms of detergency, preferred ammonium salts or amine salts include alkanolamine salts. The molecular weight of such alkanolamine is preferably 200 or less. Further, an alkanolamine having a molecular weight of 100 or less is preferable, and specifically, monoethanolamine is more preferable. Even more preferably, the alkanolamine is used when the composition of the present invention is a liquid detergent.

  The cleaning composition of the present invention contains the component (b) in an amount of 5% by mass to 50% by mass in terms of detergency, and more preferably 10% by mass to 30% by mass.

  In the sebum soil adhering to clothing, it is considered that fatty acid scum produced by binding of fatty acid and calcium ion, which is a hardness component contained in tap water, is present. The component (b) of the present invention has a role of facilitating the penetration of the component (a-1) of the present invention into the sebum soil by lowering the melting point by dissociating the fatty acid scum in the cleaning liquid. I believe.

<Other ingredients>
Although it does not restrict | limit especially as a form of this cleaning composition, A powder cleaning composition is desirable. In that case, a water-insoluble inorganic compound is contained as the component (c).

  The water-insoluble inorganic compound preferably has a solubility in water at 20 ° C. of less than 5% by mass, more preferably 1% by mass or less. As the water-insoluble inorganic compound, those having an average primary particle size of 0.1 to 20 μm are preferable. For example, crystalline or amorphous aminosilicate, silicon dioxide, hydrated silicate compound, pearlite, Although there are clay compounds such as bentonite, crystalline or amorphous aluminosilicates, silicon dioxide, and hydrated silicate compounds are preferred, and in particular, in terms of sequestering ability and supporting ability of surfactants. Crystalline aluminosilicate is preferred.

  The cleaning composition of the present invention preferably contains component (c) in an amount of 1% by mass to 50% by mass in terms of solubility and detergency, and more preferably 5% by mass to 40% by mass. preferable.

  Powder cleaning compositions include builder, bleach (percarbonate, perborate, bleach activator, etc.), recontamination inhibitor (carboxymethylcellulose, etc.), softener Addition of reducing agents (sulfites, etc.), optical brighteners, foam inhibitors (silicones, etc.), fragrances, colorants, enzymes (cellulases, peptinases, amylases, lipases, etc.), enzyme stabilizers, antibacterial preservatives, etc. An agent can be included.

  Further, the powder detergent composition may contain a neutral water-soluble inorganic salt such as sodium sulfate or sodium chloride. The amount of the water-soluble inorganic salt is not particularly limited, but is preferably 10% by mass to 70% by mass, more preferably 20% by mass to 50% by mass, and more preferably 25% by mass to 40% by mass of the cleaning composition. The following is more preferable. From the viewpoint of detergency, the water-soluble inorganic salt is preferably 20% by mass or more of the detergent composition, and from the viewpoint of detergency, the water-soluble inorganic salt is 50% by mass or less of the detergent composition. preferable.

  Moreover, a low molecular weight water-soluble organic acid salt can also be used for a powder detergent composition at a soluble point, For example, carboxylates, such as a citrate and a fumarate, are mentioned. In terms of detergency, methyliminodiacetate, iminodisuccinate, ethylenediamine disuccinate, taurine diacetate, hydroxyethyliminodiacetate, β-alanine diacetate, hydroxyiminodisuccinate, methylglycine diacetate Preferred examples include salts, glutamic acid diacetate, asparagine diacetate, serine diacetate and the like.

  In the case of a powder detergent composition, the smaller the amount of water contained in the composition, the better. For example, 10 mass% or less of a composition is preferable, 5 mass% or less is more preferable, and 0 mass% or more and 3 mass% or less are more preferable.

  In the washing | cleaning composition for clothing of this invention, it is preferable from a viewpoint of detergency that it does not contain the polymer which has a carboxylic acid group, or contains more than 20 mass% of the washing | cleaning composition for clothing. Examples of the polymer having a carboxylic acid group include sodium salt, potassium salt and ammonium salt of acrylic acid-maleic acid copolymer, and sodium salt, potassium salt and ammonium salt of polyacrylic acid.

  The cleaning composition for clothing of the present invention can be produced by a known production method. For example, it can be manufactured as follows.

  When the composition of the present invention is a powder or granular detergent, a slurry containing the component surfactant, alkali agent, and optional components (for example, a sequestering agent, polymer, water, and other fluorescent dyes) is spray-dried. The obtained spray-dried particles can be obtained by surface-coating with a surface modifier such as zeolite, bentonite, fatty acid or a salt thereof, if necessary. When the composition of the present invention is a liquid detergent, it is preferably produced in a process in which the surfactant does not cause gelation or increase in viscosity.

<Washing method>
In the present invention, there is also provided a cleaning method in which clothes are immersed in the clothes cleaning composition of the present invention diluted with water and then washed. This will be described in detail below.

  The cleaning composition of the present invention is diluted with water to prepare a cleaning solution, and clothes are immersed in the cleaning solution. The water that can be used at this time may be tap water containing a hardness component. The cleaning composition of the present invention has a feature that it can clean sebum stains even when the hardness component is high. In view of the effect of the present invention, the suitable hardness of water used in the cleaning liquid is preferably German hardness of 4 ° DH or more, more preferably 8 ° DH or more, further preferably 10 ° DH or more, more preferably 30 ° DH. The following is preferable, 25 ° DH or less is more preferable, 20 ° DH or less is further preferable, and 18 ° DH or less is more preferable. The total surfactant concentration in the cleaning liquid is preferably 100 ppm or more and 2000 ppm or less, and more preferably 500 ppm or more and 1500 ppm or less from the viewpoint of detergency.

  The immersion time is preferably 1 hour or longer, more preferably 2 hours or longer, more preferably 3 hours or longer, more preferably 5 hours or longer, more preferably 6 hours or longer, and even more preferably 10 hours or longer, from the viewpoint of detergency. Sufficient detergency is secured in 24 hours. From the viewpoint of maintaining the color pattern of the clothing having the color pattern, 20 hours or less is preferable, and 15 hours or less is more preferable. Although sufficient washing power can be obtained by putting the washing liquid together with the clothes into the washing machine and further diluting with water after the pickling and washing, washing without dilution is more preferred, and washing by hand washing is more preferred.

  The bath ratio [the volume of the washing liquid (L) / the mass of the clothes (kg)] expressed by the ratio of the mass (kg) of the clothes at the time of washing and the volume (L) of the washing liquid is 2 or more from the viewpoint of washing properties. Is preferably 3, or more, more preferably 4 or more, and particularly preferably 5 or more. When performing washing by hand washing, mechanical force by hand washing can be imparted to the garment, and from the viewpoint of further improving the washability, the bath ratio is preferably 40 or less, more preferably 30 or less, further preferably 20 or less, and more preferably 15 or less. Particularly preferred is 10 or less.

  The temperature of the cleaning liquid may be a general tap water temperature. For example, the temperature of the cleaning liquid is preferably 0 ° C. or higher, preferably 5 ° C. or higher, more preferably 10 ° C. or higher, in that the component (a-1) of the present invention penetrates into sebum stains on clothing and enhances cleaning power. 15 degreeC or more is further more preferable, and 50 degreeC or less is preferable from an economical point, 45 degreeC or less is more preferable, 40 degreeC or less is further more preferable, 35 degreeC or less is more preferable, and 30 degreeC or less is further more preferable.

  In relation to the above-described embodiment, the present invention further discloses the following composition or method.

<1> (a) A detergent composition for clothing containing 10% by weight or more and 70% by weight or less of a surfactant, and (b) 5% by weight or more and 50% by weight or less of an alkaline agent,
As the component (a), the general formula (I):

[Wherein, R ¹ represents a chain hydrocarbon group having 9 carbon atoms, R ² represents an alkyl group having 1 to ³ carbon atoms, and R ³ represents an alkylene group or an alkenylene group having 1 to 6 carbon atoms. The component (a-1) is a compound represented by the formula: wherein the component (a-1) occupies at least 20% by mass of the component (a), and the component (a-1) It occupies at least 5% by mass of the detergent composition for clothing, and as component (a), nonionic surfactant (a-3) other than component (a-1) is added to component (a). A cleaning composition for clothing containing 0% by mass or more and 20% by mass or less.

<2> The amount of component (a) is preferably 15% by mass or more, preferably 50% by mass or less, more preferably 40% by mass or less, and the amount of component (b) is preferably 10% by mass or more, preferably The composition according to <1>, which is 30% by mass or less.
<3> The component (a-1) preferably accounts for 25% by mass or more of the component (a), preferably 60% by mass or less, more preferably 40% by mass or less, and the component (a-1) is washed. The composition according to <1> or <2>, preferably occupying 10% by mass or more, more preferably 15% by mass or more, preferably 30% by mass or less, more preferably 25% by mass or less of the agent composition.
<4> (a-1) The component according to any one of <1> to <3>, wherein the component is N-ethanol-N-methyldecanoic acid amide and / or N-isopropanol-N-ethyldecanoic acid amide. Composition.
<5> The composition according to <1> to <4>, wherein the component (a-1) is N-ethanol-N-methyldecanoic acid amide.
<6> The component (b) is any one of the above items <1> to <5>, wherein the component is one or more selected from the group consisting of sodium carbonate, potassium carbonate, sodium bicarbonate, and monoethanolamine. Composition.

<7> The composition according to any one of <1> to <6>, further including (a-2) an anionic surfactant as the component (a).
<8> (a-2) component is a sulfate ester salt of alcohol having 10 to 18 carbon atoms, sulfate ester salt of alkoxylate of alcohol having 8 to 20 carbon atoms, alkylbenzene sulfonate, paraffin sulfonate, α- The olefin sulfonate, α-sulfo fatty acid salt, α-sulfo fatty acid alkyl ester salt and the fatty acid salt according to any one of the above <1> to <7>, which is one or more selected from the group consisting of fatty acid salts. Composition.
<9> (a-2) component is at least one selected from the group consisting of sodium salt, potassium salt and monoethanolammonium salt of alkylbenzenesulfonic acid having an alkyl group having 10 or more and 14 or less carbon atoms, The composition according to any one of <1> to <8>.
The amount of <10> (a-2) component is preferably 5% by mass or more, more preferably 8% by mass or more, more preferably 10% by mass or more, preferably 65% by mass or less, more preferably, of the cleaning composition. Is 40 mass% or less, More preferably, it is 30 mass% or less, The composition as described in any one of said <1>-<9>.

<11> As the component (a), the content of the nonionic surfactant other than the component (a-3) (a-1) is 0 to 20% by mass, preferably 0 to 10% by mass. %, More preferably 0 to 4% by mass, the composition according to any one of <1> to <10>.
The composition as described in any one of said <1>-<11> whose <12> (a-3) component is polyoxyethylene alkyl ether and / or dodecinoyl monoethanolamide.
<13> (a-3) component is the following general formula (II):
RO- (AO) n-H (II)
[In the formula, the R group is an aliphatic hydrocarbon group having 10 to 16 carbon atoms, preferably a linear or branched alkyl group having 10 to 16 carbon atoms, such as 1-decyl group and 1-dodecyl group. A group selected from a group, 1-tetradecyl group and 1-hexadecyl group is more preferable, and a group selected from 1-dodecyl group and 1-tetradecyl group is more preferable. The AO group is an alkyleneoxy group having 2 to 3 carbon atoms, preferably a group selected from an ethyleneoxy group and a 1,2-propyleneoxy group, n represents an average added mole number, and is a number of 6 or more and 30 or less. Yes, 8 or more is preferable, 10 or more is more preferable, 12 or more is particularly preferable, 25 or less is preferable, and 20 or less is more preferable. ] The composition as described in any one of said <1>-<12> which is polyoxyethylene alkyl ether represented by this.

<14> Further, the water-insoluble inorganic compound as the component (c) is preferably contained in an amount of 1% by mass or more, more preferably 5% by mass or more, preferably 50% by mass or less, more preferably 40% by mass or less. The composition according to any one of 1> to <13>.
<15> The component (c) is one or more selected from the group consisting of crystalline or amorphous aminosilicates, silicon dioxide, hydrated silicate compounds, perlite, and bentonite, <1> to <1> to <14> The composition according to any one of the above.
<16> Further, the neutral water-soluble inorganic salt is preferably 10% by mass or more, more preferably 20% by mass or more, more preferably 25% by mass or more, preferably 70% by mass or less, more preferably 50% by mass or less. The composition according to any one of <1> to <15>, more preferably 40% by mass or less.
<17> The composition according to any one of <1> to <16>, wherein the neutral water-soluble inorganic salt is sodium sulfate and / or sodium chloride.

<18> Any one of <1> to <17>, wherein the amount of water is preferably 10% by mass or less, more preferably 5% by mass or less, and still more preferably 0% by mass to 3% by mass of the composition. A composition according to one.
<19> The composition according to any one of <1> to <18>, which does not contain a polymer having a carboxylic acid group or does not contain more than 20% by mass of the composition.
<20> A method for washing clothing, comprising a step of immersing the clothing in a cleaning solution obtained by diluting the composition according to any one of <1> to <19> with water.

<21> The method for washing clothes according to <20>, wherein the concentration of all the surfactants in the cleaning liquid is 100 ppm or more and 2000 ppm or less, preferably 500 ppm or more and 1500 ppm or less.
<22> The immersion time for immersing the clothing in the cleaning liquid according to <20> or <21> is 1 hour or more, preferably 2 hours or more, more preferably 3 hours or more, and further preferably 5 hours or more, The laundry washing method according to <20> or <21>, particularly preferably 6 hours or more, most preferably 10 hours or more, 24 hours or less, preferably 20 hours or less, more preferably 15 hours or less.
<23> The hardness of water for diluting the composition according to any one of <1> to <19> is German hardness of 4 ° DH or higher, preferably 8 ° DH or higher, more preferably 10 ° DH. The laundry of the clothes according to any one of <20> to <22> above, which is 30 ° DH or less, preferably 25 ° DH or less, preferably 20 ° DH or less, more preferably 18 ° DH or less. Method.

<24> Bath ratio [capacity of cleaning liquid (L) / mass of clothing (kg)] which is a mass ratio between the mass (kg) of clothing and the volume (L) of cleaning liquid is 2 or more, preferably 3 or more The clothing according to any one of <20> to <23>, preferably 5 or more, 40 or less, preferably 30 or less, more preferably 20 or less, particularly preferably 15 or less, and most preferably 10 or less. Washing method.
<25> The temperature of the washing water obtained by diluting the composition according to any one of <1> to <19> is 0 ° C. or higher, preferably 5 ° C. or higher, more preferably 10 ° C. or higher. More preferably, it is 15 ° C., 50 ° C. or less, preferably 45 ° C. or less, more preferably 40 ° C. or less, more preferably 35 ° C. or less, particularly preferably 30 ° C. or less, in the above <20> to <24> The washing | cleaning method of the clothing as described in any one.

  EXAMPLES Hereinafter, although this invention is demonstrated based on an Example, this invention is not restrict | limited at all by these Examples.

Examples 1-8 and Comparative Examples 1-6
Cleaning compositions having the compositions shown in Tables 1 and 2 were prepared. Next, a model cleaning solution in which each composition was diluted was prepared using ion-exchanged water and water having a predetermined hardness. The following cleaning power evaluation was performed using the obtained composition. The results are shown in Tables 1 and 2. The pH of the model washing solution at 25 ° C. was 10 to 11. In addition, the numerical value of the composition in a table | surface is a compounding quantity (mass%).

(Evaluation of cleaning power of Eri model artificially contaminated cloth)
2.4 g of the detergent composition was dissolved in ion exchange water to prepare a 600 mL aqueous solution. Then, hardness water (Ca ²⁺ / Mg ²⁺ = ^8/2 [molar ratio]) prepared in advance using calcium chloride and magnesium chloride is added to the aqueous solution, and the hardness of the solution (German hardness) Was adjusted to 4 ° DH. This aqueous solution was used as a model cleaning solution. The concentration of all surfactants in the model cleaning solution was 1000 ppm.

  Four pieces of Eri model artificially contaminated cloth (total 20 g) were put in 600 mL of the cleaning liquid, and immersed at 20 ° C. for a predetermined time. Thereafter, it was washed at 20 ° C. for 10 minutes at 100 rpm / min with a targotometer. After washing, it was rinsed with tap water, dehydrated and naturally dried at room temperature, and the detergency was measured. Detergency measures the reflectance at 550 nm of the raw cloth before contamination and before and after cleaning with a self-recording colorimeter (manufactured by Shimadzu Corporation), and calculates the cleaning rate (%) by the following formula, and the average value of four sheets Judged with.

The Eri model artificially contaminated cloth was produced as follows.
(Preparation of Eri model artificial contamination cloth)
An artificially contaminated cloth having the following composition was attached to the cloth to prepare an artificially contaminated cloth. The artificial contamination liquid was attached to the cloth by printing the artificial contamination liquid on the cloth using a gravure roll coater. The process of making an artificially contaminated cloth by attaching an artificially contaminated liquid to the cloth was carried out with a gravure roll cell volume of 58 cm ³ / m ² , a coating speed of 1.0 m / min, a drying temperature of 100 ° C., and a drying time of 1 minute. The cloth used was a cotton / polyester blended broad-dyed cloth (cotton / polyester ratio = 65/35, obtained from Tanigami Shoten), and the contaminated cloth was cut into 6 cm × 6 cm.

The composition of the artificial contamination liquid is as follows.
Lauric acid 0.44 mass%, myristic acid 3.09 mass%, pentadecanoic acid 2.31 mass%, palmitic acid 6.18 mass%, heptadecanoic acid 0.44 mass%, stearic acid 1.57 mass%, oleic acid 7.75 mass%, triolein 13.06 mass%, n-hexadecyl palmitate 2.18 mass%, squalene 6.53 mass%, egg white lecithin liquid crystal 1.94 mass%, Kanuma red soil 8.11 mass%, Carbon black 0.01% by mass, tap water balance.

Examples 9-12 and Comparative Example 7
(Evaluation of detergency of mud-stained artificially contaminated cloth)
Four mud-stained artificially contaminated cloths (25 g in total) were put in 600 mL of the above model cleaning solution, and immersed at 20 ° C. for a predetermined time. Thereafter, it was washed at 20 ° C. for 10 minutes at 100 rpm / min with a targotometer. After washing, it was rinsed with tap water, dehydrated and naturally dried at room temperature, and the detergency was measured by the same method as the above-mentioned “Eli Model Artificial Contaminated Cloth”. The results are shown in Table 3.

(Preparation of mud soil artificial contamination cloth)
Kanuma Horticultural Akadama soil was dried at 120 ° C. ± 5 ° C. for 4 hours and then pulverized, and a 150 mesh (100 μm) pass was dried at 120 ° C. ± 5 ° C. for 2 hours. Thereafter, 150 g of the dried soil was dispersed in 1 liter of parklens, and a gold width # 2023 cloth was brought into contact with this dispersion. Then, brushing was performed to remove the dispersion liquid, and the excessively adhered dirt was removed to prepare a mud dirt-stained cloth.

The components described in each table are as follows.
C8NMEA: In the general formula (I), R ¹ is a linear hydrocarbon group having 7 carbon atoms, R ² is a methyl group, and R ³ is an N-ethanol N-methyloctanoic acid amide having an alkylene group having 2 carbon atoms.
C10NMEA: In general formula (I), R ¹ is a linear hydrocarbon group having 9 carbon atoms, R ² is a methyl group, and R ³ is an N-ethanol N-methyldecanoic acid amide having an alkylene group having 2 carbon atoms.
C12NMEA: In the general formula (I), R ¹ is a linear hydrocarbon group having 11 carbon atoms, R ² is a methyl group, and R ³ is N-ethanol N-methyldodecanoic acid amide having an alkylene group having 2 carbon atoms.
Coconut oil-derived NMEA: N-ethanol N-methyl fatty acid amide having an alkyl group composition derived from coconut oil (of which C10NMEA is 8% by mass, and the rest is N in which R ¹ in the general formula (I) is other than carbon number 9) -Ethanol N-methyl fatty acid amide).
LAS: Sodium linear alkylbenzene sulfonate having an alkyl chain of 10 to 14 carbon atoms.
E108: An average of 6 moles of EO added to a linear primary alcohol having 12 carbon atoms.

As shown in Tables 1 and 2, in an experiment using an Eri model artificially contaminated cloth, that is, an experiment on sebum soil, a high cleaning rate was exhibited when a composition within the scope of the present invention was used. On the other hand, when the amount of the component (a-1) (N-ethanol N-methyldecanoic acid amide represented by C10NMEA in the above component) is less than the prescribed amount, the cleaning rate after immersion is inferior to that of the example. (Each comparative example).
As shown in Table 3, in the experiment for mud soil, it was found that the cleaning rate tends to increase as the amount of LAS increases.

  From these results, the composition of Example 3 and Example 4 (that is, Example 11 and Example 12) is preferable in terms of the balance between the detergency against sebum dirt and the detergency against mud dirt. That is, it can be said that the composition of Example 12) is more preferable.

  The cleaning composition of the present invention is suitably used as a laundry laundry detergent, particularly as a pickling laundry detergent.

Claims (4)

(A) A detergent composition for clothing containing 10% by weight to 70% by weight of a surfactant, and (b) 5% by weight to 50% by weight of an alkaline agent,
As the component (a), the general formula (I):

[Wherein, R ¹ represents a chain hydrocarbon group having 9 carbon atoms, R ² represents an alkyl group having 1 to ³ carbon atoms, and R ³ represents an alkylene group or an alkenylene group having 1 to 6 carbon atoms. The component (a-1) is a compound represented by the formula: wherein the component (a-1) occupies at least 20% by mass of the component (a), and the component (a-1) It occupies at least 5% by mass of the detergent composition for clothing, and as component (a), nonionic surfactant (a-3) other than component (a-1) is added to component (a). A cleaning composition for clothing containing 0% by mass or more and 20% by mass or less.   The composition according to claim 1, further comprising (a-2) an anionic surfactant as component (a).   The composition according to claim 1 or 2, wherein the content of the component (a-1) in the component (a) is 60% by mass or less.   The washing | cleaning method of clothing including the process of immersing clothing in the washing | cleaning liquid obtained by diluting the cleaning composition for clothing of any one of Claims 1-3 with water.