JP2020100723A - Clothing care composition - Google Patents

Abstract

To provide a clothing care composition having clothing care effects such as an effect for reducing friction when clothing is contacted and rubbed with clothing or another object in water, and an effect for suppressing fluffing due to friction reduction.SOLUTION: A clothing care composition comprises the following composition (a), composition (b) and composition (c), with a mass ratio of component (c)/component (a) of 1 or more and 20 or less. Component (a): one or more nonionic surfactants selected from a nonionic surfactant having a sugar skeleton and a nonionic surfactant having an amide group. Component (b): a polysaccharide polymer. Component (c): a surfactant other than the component (a).SELECTED DRAWING: None

Description

The present invention relates to clothing care compositions.

It is known to use a cellulose derivative in a detergent for clothes as a care compound capable of reducing fluff and pills of clothes. By pre-attaching the care compound to the textile product before use such as wearing the textile product, it is possible to suppress the formation of fluff and fluff during the use of the textile product.
U.S. Pat. No. 6,096,839 contains detergent surfactants, organic or inorganic detersive builders and hydrophobically modified nonionic cellulose ethers to reduce pilling/fluffing, anti-fading, improved abrasion resistance and/or Alternatively, laundry detergent compositions are described which impart a fabric appearance benefit selected from increased softness to fabrics and fabrics laundered in an aqueous wash liquor prepared therefrom. US Pat. No. 6,037,058 describes a wash liquid laundry detergent composition containing a cationic softener, a nonionic surfactant and hydroxyethyl cellulose as an optional thickening agent. Patent Document 3 describes an environmentally friendly laundry detergent containing components such as alkyl glycosides and hydroxyethyl cellulose. Patent Document 4 describes an environmentally friendly detergent containing nano activated carbon, acrylic modified water-based polyurethane, a surfactant, and water containing 5 to 10% by weight of hydroxyethyl cellulose.

Special table 2001-507396 gazette Chinese Patent Application Publication No. 101812381 Chinese Patent Application Publication No. 106350248 Chinese Patent Application Publication No. 10647965

INDUSTRIAL APPLICABILITY The present invention has a clothing care effect such as the effect of reducing friction even if the clothing and clothing or the clothing and other objects are rubbed in water, and the effect of reducing fluff is less likely to fluff. A composition is provided. The clothing care composition of the present invention can be used, for example, as a friction-reducing agent composition applied to clothing in water or as a detergent composition for clothing applied to clothing in water.

The present invention relates to a care composition for clothing, which comprises the following component (a), component (b) and component (c).
Component (a): one or more nonionic surfactants selected from a nonionic surfactant having a sugar skeleton and a nonionic surfactant having an amide group (b) component: polysaccharide polymer (c) component: other than component (a) Surfactant

INDUSTRIAL APPLICABILITY The present invention can provide a care composition for clothes, which is less likely to be damaged by making it slippery even when the clothes are in contact with each other or the clothes and other objects are rubbed in water. The clothing care composition of the present invention is, for example, a friction-reducing agent composition applied to clothing in water, a finishing composition for clothing applied to clothing in water, or a detergent composition for clothing applied to clothing in water. Can be provided.

The component (b) of the present invention has a function and effect as a sizing agent for appropriately adhering objects to each other in a dry state, and by coating the surface of the object, the surface of the coated object is dried with other objects. There is a known compound that causes less damage even when contacted in a state. However, it was revealed that the coexistence of the component (b) with the component (a) of the present invention in water causes the component (b) to exhibit a friction reducing action by the component (a). It has been found that the component (a) enhances the friction-reducing action of the component (b) in water, whereby damage such as fluffing can be suppressed even when clothes are rubbed with each other. In the present invention, the reduction in friction is specifically recognized as a reduction in the average dynamic friction coefficient, for example.

<(a) component>
The component (a) is one or more nonionic surfactants selected from nonionic surfactants having a sugar skeleton and amide groups. When component (a) is used in combination with component (b), it reduces the coefficient of dynamic friction in water and makes it easier to slip even when clothes are in contact with each other or clothes and other objects are rubbed, which damages clothes. Can be suppressed.

The component (a) is one or more nonionic surfactants selected from the following components (a1) and (a2) from the viewpoint that the coefficient of dynamic friction can be further reduced in water by using the component (b) together. Is preferred.
Component (a1): Nonionic surfactant having amide group and aliphatic hydrocarbon group (a2) Component: Nonionic surfactant having sugar skeleton and aliphatic hydrocarbon group

[(A1) component]
The component (a1) is a nonionic surfactant having an aliphatic hydrocarbon group and an amide group. From the viewpoint of further improving the effect of the present invention, the component (a1) is preferably a nonionic surfactant represented by the following general formula (I).

[In the formula, R ¹ is an aliphatic hydrocarbon group having 7 to 21 carbon atoms, R ² is a hydrogen atom, a hydrocarbon group having 1 to 3 carbon atoms, or —R ³ —OH; ³ is an alkylene group having 1 to 3 carbon atoms. ]

R ¹ is an aliphatic hydrocarbon group having 7 to 21 carbon atoms. From the viewpoint of further reducing the dynamic friction coefficient by using together with the component (b), R ¹ is preferably an aliphatic having 9 or more carbon atoms, and preferably 19 or less carbon atoms, more preferably 17 or less carbon atoms, and further preferably 15 or less carbon atoms. It is a hydrocarbon group. Examples of the aliphatic hydrocarbon group include one or more groups selected from an aliphatic alkyl group and an aliphatic alkenyl group. An alkyl group is preferable as the aliphatic hydrocarbon group from the viewpoint that the dynamic friction coefficient can be further reduced by using it together with the component (b).

R ² is a hydrogen atom, a hydrocarbon group having 1 to 3 carbon atoms, or —R ³ —OH. Examples of the hydrocarbon group having 1 to 3 carbon atoms include methyl group, ethyl group and propyl group. From the viewpoint of further reducing the dynamic friction coefficient by using together with the component (b), R ² is preferably one or more groups selected from a hydrogen atom and a hydroxyethyl group, more preferably a hydrogen atom.

R ³ is an alkylene group having 1 to 3 carbon atoms. The alkylene group having 1 to 3 carbon atoms is selected from a methylene group, an ethylene unit, a 1,3-propylene group, and a 1,2-propylene group. And one or more groups described above. From the viewpoint of further reducing the dynamic friction coefficient by using together with the component (b), R ³ is preferably an ethylene group.

[Component (a2)]
The component (a2) is a nonionic surfactant having a sugar skeleton and an aliphatic hydrocarbon group.
The component (a2) used in the present invention has a carbon number of preferably 8 or more, more preferably 10 or more, and preferably 18 or less, from the viewpoint of further reducing the dynamic friction coefficient by using it together with the component (b). It preferably has a linear or branched alkyl group of 16 or less, preferably a linear alkyl group, and the average degree of condensation of sugar is preferably 1 or more, and preferably 3 or less, more preferably 2 or less, further It is preferably an alkyl glycoside of 1.5 or less.

As the component (a2), compounds represented by the following general formula (II) are preferable.
R ^1a (OR ^2a ) _x G _y (II)
[In the formula, R ^1a represents a linear or branched alkyl group having 8 to 18 carbon atoms, R ^2a represents an alkylene group having 2 to 4 carbon atoms, and G represents a sugar having 5 or 6 carbon atoms. The derived residue is shown, x shows the number whose average value is 0 or more and 5 or less, and y shows the number whose average value is 1 or more and 3 or less. ]

In the general formula (II), R ^1a has 8 or more carbon atoms, preferably 10 or more carbon atoms, and 18 or less carbon atoms, preferably 16 or less carbon atoms, from the viewpoint of further reducing the dynamic friction coefficient by using it together with the component (b). It is more preferably 14 or less, still more preferably 12 or less, still more preferably 11 or less, and a linear or branched alkyl group, preferably a linear alkyl group. As the alkylene group represented by R ^2a , those having 2 carbon atoms are preferable from the viewpoint of further reducing the dynamic friction coefficient by using together with the component (b). Further, the structure of the residue derived from the sugar having 5 or 6 carbon atoms represented by G is determined by the monosaccharide or the sugar having two or more sugars. As G, monosaccharides include residues derived from glucose, galactose, xylose, mannose, lyxose, arabinose, fructose, or a mixture thereof, and the like. For disaccharides or more, maltose, xylobiose, isomaltose, cellobiose, gentibiose, lactose. And residues derived from sucrose, nigerose, turanose, raffinose, gentianose, menditose, or a mixture thereof. Among these, preferred raw materials are glucose and fructose as monosaccharides and maltose and sucrose as disaccharides or more from the viewpoint of further reducing the dynamic friction coefficient by using together with the component (b).

X in the general formula (II) is the average number of moles of OR ^2a added, preferably 0 or more, and preferably 5 or less, more preferably 3 or less, and further preferably 1 or less, and It may be 0, with 0 being most preferred. The dynamic friction reducing action of the component (b) can be controlled by the value of x. From the viewpoint of further increasing the dynamic friction reducing action of the component (b), the smaller x is, the more preferable.

Further, when the average value of y in the general formula (II) is larger than 1, that is, when the component (a) has a sugar chain of two or more sugars as a hydrophilic group, the sugar chain bonding mode is 1-2 or 1. It is possible to include -3, 1-4, 1-6 bonds or α-, β-pyranoside bonds or furanoside bonds and any mixtures of these mixed bond modes.

The average value of y in the general formula (II) is 1 or more and 3 or less, preferably 2 or less, more preferably 1.5 or less. The value of y (average degree of condensation of sugar) is measured by ¹ H-NMR. For a specific measuring method, refer to JP-A-8-53696, page 6, column 10, line 26 to page 7, column 11, column 15, line.

<Component (b)>
The component (b) of the present invention is a polysaccharide polymer. The polysaccharide polymer is a polysaccharide or a derivative thereof, and the derivative includes a polysaccharide having an aliphatic hydrocarbon group having 1 to 20 carbon atoms, a cationic group, an anionic group, and a hydroxyalkyl group having 2 or 3 carbon atoms. Examples thereof include compounds having one or more selected groups introduced. Therefore, the polysaccharide polymer may have a group selected from an aliphatic hydrocarbon group having 1 to 20 carbon atoms, a cationic group, an anionic group, and a hydroxyalkyl group having 2 or 3 carbon atoms. Are listed. That is, examples of the component (b) include an ionic polysaccharide polymer and a nonionic polysaccharide polymer, and a nonionic polysaccharide polymer is preferable.

The preferred component (b) of the present invention is one or more polysaccharide polymers selected from hydroxypropyl cellulose and hydroxyethyl cellulose. Among them, hydroxyethyl cellulose can reduce friction between clothes or between clothes and other contact bodies by using together with the nonionic surfactant (a) and water, and can further suppress damage to the clothes. .. The preferred hydroxyethyl cellulose is a 2 mass% aqueous solution (20° C.) having a viscosity of 50 mPa or more and 500,000 mPa or less from the viewpoint of reducing friction between clothes or between clothes and other contact bodies and suppressing damage to the clothes. Is more preferable, 200 mPa or more is more preferable, 500 mPa·s or more is further preferable, and 100,000 mPa·s or less is more preferable, 50,000 mPa·s or less is more preferable, and more preferable. Is 2 mPa·s or less, more preferably 10,000 mPa·s or less. The viscosity of hydroxyethyl cellulose can be measured by the following measuring method.

[Method of measuring viscosity of polysaccharide polymer]
10 g of the polysaccharide polymer is dissolved in 490 g of ion-exchanged water to prepare a 2% by weight aqueous solution of the polysaccharide polymer. The temperature of the aqueous solution is adjusted to a temperature range of 20±0.5° C., and the solution is left standing for 1 hour. A Brookfield type rotational viscometer (manufactured by Toki Sangyo Co., Ltd., product number: BM type) is used under the conditions of 30 r/m (No. 4 rotor). The value of the viscosity is read 1 minute after the start of measurement. When the viscosity is less than 1000 mPa·s, No. When the viscosity exceeds 18000 mPa·s using a 3 rotor, the rotation speed is set to 12 r/m for measurement.

The weight average molecular weight of the component (b) of the present invention is preferably 1,000 or more, more preferably 10,000 or more, and further preferably 3 in terms of polysaccharides in the case of a polysaccharide derivative, from the viewpoint of improving cleaning performance. 10,000 or more, more preferably 50,000 or more, still more preferably 70,000 or more, still more preferably 100,000 or more, still more preferably 300,000 or more, and preferably 300 from the viewpoint of easy handling. It is less than 10,000, more preferably less than 2.5 million. The weight average molecular weight of the polysaccharide derivative of this precursor compound can be calculated by polyethylene glycol conversion by GPC (gel permeation chromatography).

<Component (c)>
The component (c) is a surfactant other than the component (a). The component (c) is preferably a surfactant containing an ionic surfactant. The component (a) of the present invention has the action of causing the component (b) to exhibit a friction reducing action in water and suppressing fuzzing.
Examples of the ionic surfactant include (c1) anionic surfactant [hereinafter sometimes referred to as (c1) component], (c2) cationic surfactant [hereinafter sometimes referred to as (c2) component] and (c3 ) One or more kinds of surfactants selected from amphoteric surfactants (hereinafter sometimes referred to as component (c3)).
Examples of the surfactant other than the ionic surfactant contained in the component (c) include nonionic surfactants other than the components (c4) and (a) [hereinafter, sometimes referred to as the component (c4)].

<(c1) Anionic surfactant>
From the viewpoint of allowing the component (b) to exhibit a friction-reducing effect in water and suppressing fuzzing, the preferred anionic surfactant as the component (c1) is an anionic surfactant having a group selected from a sulfonate and a sulfate ester salt. Is.

Specific examples of the anionic surfactant as the component (c1) include the following (c1-1) component, (c1-2) component, (c1-3) component, (c1-4) component, and (c1-5). One or more anionic surfactants selected from the components may be mentioned. When the care composition for clothes of the present invention contains an anionic surfactant, the anionic surfactant is represented by the following (c1- It is preferable to include one or more anionic surfactants selected from the component 2) and the component (c1-3).
Component (c1-1): Alkyl or alkenyl sulfate ester salt (c1-2) Component: Polyoxyalkylene alkyl or alkenyl ether sulfate ester salt (c1-3) component having an oxyalkylene group having 2 to 3 carbon atoms: Alkyl Or alkenylbenzene sulfonate (c1-4) component: sulfonate (c1-5) component other than (c1-3) component: fatty acid having 12 to 24 carbon atoms or salt thereof

As the alkyl or alkenyl sulfate ester salt which is the component (c1-1), more specifically, an alkyl sulfate ester salt having an alkyl group having 10 to 18 carbon atoms and an alkenyl group having 10 to 18 carbon atoms. One or more anionic surfactants selected from the alkenyl sulfate ester salts thereof.

As the polyoxyalkylene alkyl or alkenyl ether sulfate ester salt having an oxyalkylene group having 2 to 3 carbon atoms, which is the component (c1-2), more specifically, the alkyl group having 10 to 18 carbon atoms, And a polyoxyalkylene alkyl ether sulfuric acid ester salt having an alkylene oxide average addition mole number of 1 or more and 3 or less, and a polyoxyalkylene having an alkenyl group carbon number of 10 or more and 18 or less, and an alkylene oxide average addition mole number of 1 or more and 3 or less One or more anionic surfactants selected from alkenyl ether sulfate ester salts may be mentioned. Since the number of added moles here is an average value, the component (c1-2) is expressed as polyoxyalkylene for convenience even when the average number of added moles is 1. Examples of the oxyalkylene group include oxyalkylene groups having 2 to 3 carbon atoms. Examples of the oxyalkylene group having 2 to 3 carbon atoms include at least one group selected from an oxypropylene group and an oxyethylene group.

As the alkylbenzene sulfonate as the component (c1-3), more specifically, an alkylbenzene sulfonate having an alkyl group having 10 to 18 carbon atoms, and an alkenylbenzene having an alkenyl group having 10 to 18 carbon atoms. One or more anionic surfactants selected from sulfonates may be mentioned.

From the viewpoint of allowing the component (b) to exhibit a friction-reducing action in water and suppressing fuzzing, the component (c1-3) is preferably an alkylbenzene sulfonate having an alkyl group having 11 to 14 carbon atoms, and an alkyl group Sodium alkylbenzene sulfonate having 11 to 14 carbon atoms is more preferable.

As the sulfonate other than the component (c1-3), which is the component (c1-4), more specifically, it has an alkyl group having 10 to 18 carbon atoms, which may optionally have a hydroxyl group. Alkane sulfonate, α-olefin sulfonate having 10 to 18 carbon atoms in the α-olefin moiety, α-sulfo fatty acid salt having 10 to 18 carbon atoms in the fatty acid moiety, and 10 carbon atoms in the fatty acid moiety One or more anionic surfactants selected from α-sulfofatty acid lower alkyl ester salts in which the ester portion has 18 or less and the carbon number of the ester portion is 1 or more and 5 or less.

The component (c1-5) is a fatty acid having 12 to 24 carbon atoms or a salt thereof. A fatty acid having 12 to 24 carbon atoms or a salt thereof is an anionic surfactant having an aliphatic hydrocarbon group having 11 to 23 carbon atoms as a hydrophobic group and a carboxylic acid or salt thereof as a hydrophilic group. Specific examples of the component (c1-5) include lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, elaidic acid, linoleic acid, linolenic acid, and salts thereof.

Examples of the salt of the anionic surfactant as the component (c1) include salts of one or more compounds selected from alkali metals and alkanolamines having 2 to 6 carbon atoms. As the alkali metal, one or more compounds selected from sodium and potassium are preferable. As the alkanolamine having 2 to 6 carbon atoms, one or more compounds selected from monoethanolamine, diethanolamine, triethanolamine, N-methylmonoethanolamine, N-methyldiethanolamine and N,N-dimethylmonoethanolamine. Is preferred.

The component (c1) of the present invention is a component (c1-1), a component (c1-2), and a component (c1-4) from the viewpoint that the component (b) can exhibit a friction-reducing action in water and suppress fluffing. It is preferable to include one or more anionic surfactants selected from The component (c1) of the present invention is a component (c1-1) or a component (c1-2) in the component (c1) from the viewpoint that the component (b) can exhibit a friction-reducing action in water and can suppress fluffing. And the total amount of one or more anionic surfactants selected from the components (c1-4) is preferably 50% by mass or more, more preferably 60% by mass or more, further preferably 70% by mass or more, and 80% by mass. % Or more is more preferable, 90% by mass or more is still more preferable, and 100% by mass or less is still more preferable. All of the component (c1) may be one or more anionic surfactants selected from the component (c1-1), the component (c1-2) and the component (c1-4). That is, the total amount of one or more anionic surfactants selected from the component (c1-1), the component (c1-2) and the component (c1-4) in the component (c1) is 100% by mass. Good.

<(c2) Cationic surfactant>
The component (c2) is a cationic surfactant.
The cationic surfactant as the component (c2) is not particularly limited, but examples thereof include a cationic surfactant containing one or more and three or less aliphatic hydrocarbon groups having 8 or more and 22 or less carbon atoms. More specifically, for example, a quaternary ammonium compound represented by the following general formula (c2-1) can be mentioned.

[In the formula, R ^1c is an aliphatic hydrocarbon group having 8 to 24 carbon atoms, and R ^2c and R ^3c are each independently an aliphatic hydrocarbon group having 8 to 24 carbon atoms and 1 carbon atom. A group selected from an alkyl group having 3 to 3 carbon atoms, a hydroxyalkyl group having 1 to 3 carbon atoms and a benzyl group, and R ^4c represents an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl having 1 to 3 carbon atoms. A group selected from a group and a benzyl group, and X ⁻ is an anion. ]

In general formula (c2-1), R ^1c and optionally R ^2c and R ^3c are aliphatic hydrocarbon groups having 8 to 24 carbon atoms. From the viewpoint that the component (b) can exhibit a friction reducing effect in water and suppress fuzzing, the carbon number of these groups is 8 or more, preferably 10 or more, and 24 or less, preferably 22 or less, more preferably 20. Or less, more preferably 18 or less, still more preferably 16 or less. Among R ^2c , R ^3c and R ^4c , specific examples of the alkyl group having 1 to 3 carbon atoms include a methyl group, an ethyl group and a propyl group. Among R ^2c , R ^3c and R ^4c , examples of the hydroxyalkyl group having 1 to 3 carbon atoms include 2-hydroxyethyl group, 2-hydroxypropyl group and 3-hydroxypropyl group. X ⁻ is an anion, and examples thereof include a halogen ion and an alkylsulfate ion having 1 to 3 carbon atoms. Examples of the halogen ion include chlorine ion, bromo ion, and iodine ion. Examples of the alkyl sulfate ion having 1 to 3 carbon atoms include methyl sulfate ion and ethyl sulfate ion.

The care composition for clothing of the present invention is a cationic surfactant having two or three aliphatic hydrocarbon groups having 12 to 24 carbon atoms in the component (c) from the viewpoint of maintaining the original touch of clothing. The content of the agent is preferably 30% by mass or less, more preferably 20% by mass or less, still more preferably 15% by mass or less, still more preferably 10% by mass or less, still more preferably It is 5 mass% or less. The lower limit of this content can be 0 mass% or more. The content of the cationic surfactant having two or three aliphatic hydrocarbon groups having 12 to 24 carbon atoms in the component (c) may be 0% by mass.

<(c3) Amphoteric surfactant>
Examples of the amphoteric surfactant as the component (c3) include one or more amphoteric surfactants selected from amine oxide and betaine. Although the amine oxide itself does not have an ion, it can be polarized into δ+ and δ− in water, and is classified as an ionic surfactant in the present invention. As the amine oxide, an amine oxide having an aliphatic hydrocarbon group having 7 to 18 carbon atoms is preferable. Specifically, a compound represented by the following general formula (c3-1) can be given.

[In the formula, R ^5c has 8 or more and 18 or less carbon atoms when k is 0 or when k is 1 and X is a group selected from -O(CO)- and -(NH)(CO)-. In the case where k is 1 and X is a group selected from -(CO)O- and -(CO)(NH)-, the aliphatic hydrocarbon group has 7 to 17 carbon atoms. R ^6c is an alkylene group having 1 to 6 carbon atoms, and X is —(CO)O—, —(CO)(NH)—, —O(CO)—, —(NH)(CO )- is a group selected from. k is a number of 0 or 1, and R ^7c and R ^8c are each an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. ]

In the general formula (c3-1), R ^5c has a carbon number when k is 0 or when k is 1 and X is a group selected from —O(CO)— and —(NH)(CO)—. An aliphatic hydrocarbon group having 8 or more and 16 or less is mentioned, and an aliphatic hydrocarbon group having 10 or more and 16 or less carbon atoms is more preferable from the viewpoint of exhibiting a friction-reducing effect on the component (b) in water and suppressing fuzzing. Further, an alkyl group or alkenyl group having 10 to 14 carbon atoms is more preferable, and an alkyl group or alkenyl group having 12 to 14 carbon atoms is preferable.

Further, in the general formula (c3-1), when R ^5c is a group in which k is 1 and X is selected from —(CO)O— and —(CO)(NH)—, it has 7 or more carbon atoms. The following aliphatic hydrocarbon groups may be mentioned. From the viewpoint of making the component (b) exhibit a friction reducing effect in water and suppressing fuzzing, an aliphatic hydrocarbon group having 7 to 15 carbon atoms is preferable, and an aliphatic hydrocarbon group having 9 to 15 carbon atoms is more preferable. Preferably, an alkyl group or alkenyl group having 9 to 13 carbon atoms is more preferable, and an alkyl group or alkenyl group having 11 to 13 carbon atoms is further preferable.
In general formula (c3-1), X is preferably -(CO)O- or -(CO)(NH)-.
The carbon number of R ^6c is preferably 2 or 3. R ^7c and R ^8c are preferably methyl groups.

More preferable specific compounds of amine oxides include N-lauryl-N,N-dimethylamine oxide, N-myristyl-N,N-dimethylamine oxide, N-palmityl-N,N-dimethylamine oxide and N-. Lauroylaminopropyl-N,N-dimethylamine oxide, N-myristoylaminopropyl-N,N-dimethylamine oxide, N-palmitoylaminopropyl-N,N-dimethylamine oxide, N-lauryl-N-ethyl-N- Methylamine oxide, N-lauryl-N-methyl-N-(2-hydroxyethyl)amine oxide, N-myristyl-N-ethyl-N-methylamine oxide, N-myristyl-N-methyl-N-(2- Hydroxyethyl)amine oxide, N-palmityl-N-ethyl-N-methylamine oxide, N-palmityl-N-methyl-N-(2-hydroxyethyl)amine oxide, N-lauroylaminopropyl-N-ethyl-N -Methylamine oxide, N-lauroylaminopropyl-N-methyl-N-(2-hydroxyethyl)amine oxide, N-myristoylaminopropyl-N-ethyl-N-methylamine oxide, N-myristoylaminopropyl-N- From methyl-N-(2-hydroxyethyl)amine oxide, N-palmitoylaminopropyl-N-ethyl-N-methylamine oxide and N-palmitoylaminopropyl-N-methyl-N-(2-hydroxyethyl)amine oxide One or more compounds selected may be mentioned.

More preferable specific compounds of amine oxide include N-lauryl-N,N-dimethylamine oxide, N-myristyl-N,N-dimethylamine oxide, N-palmityl-N,N-dimethylamine oxide and N- Examples include one or more compounds selected from lauroylaminopropyl-N,N-dimethylamine oxide, N-myristoylaminopropyl-N,N-dimethylamine oxide, and N-palmitoylaminopropyl-N,N-dimethylamine oxide. To be

As betaine, betaine having a hydrocarbon group having 7 to 18 carbon atoms is preferable. Specifically, a compound represented by general formula (c3-2) shown below can be given.

[Wherein R ^9c has 8 or more and 18 or less carbon atoms when j is 0 or when j is 1 and Y is a group selected from -O(CO)- and -(NH)(CO)-. Is an aliphatic hydrocarbon group, and j is 1 and Y is a group selected from -(CO)O- and -(CO)(NH)-, an aliphatic hydrocarbon group having 7 to 17 carbon atoms. It is a base. R ^10c is an alkylene group having 1 to 6 carbon atoms. Y is a group selected from -(CO)O-, -(CO)(NH)-, -O(CO)-, -(NH)(CO)-, and -O-, and j is 0 or 1. Is a number. R ^11c and R ^12c are each an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group, and R ^13c is an alkylene group having 1 to 5 carbon atoms which may be substituted with a hydroxy group. Z is _{^{-SO 3 -, -OSO 3 -,}} -COO - a group selected from. ]

In the general formula (a3-2), R ^9c is carbon when j is 0 or when j is 1 and Y is a group selected from —O(CO)— and —(NH)(CO)—. An aliphatic hydrocarbon group of several 8 or more and 16 or less is mentioned, and an aliphatic hydrocarbon group of 10 or more and 16 or less is more preferable from the viewpoint of exhibiting a friction reducing effect on the component (b) in water and suppressing fuzzing. An alkyl group or an alkenyl group having 10 to 14 carbon atoms is more preferable.

Further, in the general formula (c3-2), when R ^9c is a group in which j is 1 and Y is selected from —(CO)O— and —(CO)(NH)—, it has 7 or more carbon atoms. An aliphatic hydrocarbon group having the carbon number of 7 or more and 15 or less is preferable and a carbon number of 9 or more, which is the following aliphatic hydrocarbon group, from the viewpoint that the component (b) can exert a friction reducing effect in water and suppress fluffing. An aliphatic hydrocarbon group having 15 or less is more preferable, and an alkyl group or alkenyl group having 9 or more and 13 or less carbon atoms is further preferable.

In General Formula (c3-2), R ^10c is an alkylene group having 1 to 4 carbon atoms, more preferably a 2 or 3 alkylene group, from the viewpoint of ease of production. Further, R ^11c and R ^12c are preferably a methyl group, an ethyl group or a hydroxyethyl group. R ^13c is preferably an alkylene group having 1 to 3 carbon atoms which may be substituted with a hydroxy group.
In the general formula (c3-2), j is preferably 0.
Further, in the general formula (c3-2), Z is preferably —SO ₃ ⁻ from the viewpoint that the component (b) exhibits a friction reducing action in water and fluffing can be suppressed.

More preferable specific compounds of betaine include lauryl (2-hydroxy-3-sulfopropyl) dimethyl betaine, myristyl (2-hydroxy-3-sulfopropyl) dimethyl betaine, and palmityl (2-hydroxy-3-sulfopropyl). ) One or more compounds selected from dimethyl betaine.

<(c4) Nonionic surfactant (however, excluding the component (a))>
The clothing care composition of the present invention may contain a nonionic surfactant other than the component (a) as the component (c4) within a range not impairing the friction-reducing action or the clothing care effect of the present invention. The nonionic surfactant as the component (c4) is not particularly limited, but a polyoxyalkylene alkyl ether type nonionic surfactant is preferable from the viewpoint of not impairing the friction-reducing action or the clothing care effect of the present invention. More preferably, it is a polyoxyalkylene alkyl ether type nonionic surfactant having an oxyalkylene group having 2 to 3 carbon atoms. Specific examples of the nonionic surfactant as the component (c4) include compounds represented by general formula (c4-1) shown below.
^{_{R 14c -O [(EO) a}} / (PO) b] -H (c4-1)
[In the formula, R ^14c represents an alkyl group or an alkenyl group having 10 or more, preferably 12 or more, and 18 or less, preferably 16 or less, more preferably 14 or less carbon atoms. EO is an ethyleneoxy group and PO is a propyleneoxy group. a is the number average addition mole number of EO groups, and b is the number average addition mole number of PO groups. The total number of a and b is preferably 5 or more and 100 or less. The number a is preferably 5 or more and 100 or less, and the number b is preferably 0 or more and 10 or less. However, the case where both a and b are 0 is excluded. ]
In general formula (c4-1), EO and PO may be either random bonds or block bonds. The nonionic surfactant represented by general formula (c4-1) preferably contains EO.

The content of the component (c4) in the component (c) of the present invention is preferably 50% by mass or less, and more preferably 40% by mass or less, from the viewpoint of not impairing the friction reducing effect or the clothing care effect of the present invention. And more preferably 30 mass% or less, and even more preferably 20 mass% or less.

<Water>
The clothing care composition of the present invention preferably contains water, more preferably a liquid composition containing water. As water used in the clothing care composition of the present invention, use is made of water containing 0.1 mg/kg or more and 10 mg/kg or less of ion exchanged water, distilled water, hypochlorite such as sodium hypochlorite. You can

<Clothing>
In the present invention, clothing means a woven fabric, a knitted fabric, a non-woven fabric or the like using the above-mentioned chemical fiber or natural fiber, and an undershirt, a T-shirt, a shirt, a blouse, a slacks, a hat, a handkerchief, a towel obtained by using the fabric. , Knits, socks, underwear, tights, etc. The clothing is preferably clothing containing cotton fibers.

<Fiber>
The fibers constituting the clothing as the target of the clothing care composition of the present invention may be either chemical fibers or natural fibers. Examples of the chemical fibers include polyamide fibers (such as nylon), polyester fibers (such as polyester), polyacrylonitrile fibers (such as acrylic), polyvinyl alcohol fibers (such as vinylon), and polyvinyl chloride fibers (such as polyvinyl chloride). Etc.), polyvinylidene chloride fibers (vinylidene etc.), polyolefin fibers (polyethylene, polypropylene etc.), polyurethane fibers (polyurethane etc.), polyvinyl chloride/polyvinyl alcohol copolymer fibers (polycleral etc.) and the like. Natural fibers include seed hair fibers (cotton, rice noodles, kapok, etc.), bast fibers (hemp, flax, ramie, hemp, jute, etc.), vein fibers (manila, sisal, etc.), palm fibers, igusa, straw. , Animal hair fibers (wool, mohair, cashmere, camel hair, alpaca, vicuna, angora, etc.), silk fibers (domestic silk, wild silk), feathers, cellulosic fibers (rayon, polynosic, cupra, acetate, etc.) and the like. To be The fibers that are the subject of the present invention include natural fibers and preferably also cotton fibers.

<Care composition for clothing>
The care agent composition for clothes of the present invention suppresses the damage of the clothes by reducing the friction coefficient when the clothes and the clothes contact each other or the clothes and the other object in water, for example, the pills of the clothes. It means a composition having an inhibitory action. Further, as an action of the care composition for clothing, it is adhered to the clothing by contacting the clothing containing the stain adhered during wearing and the solution containing the care composition for clothing of the present invention and newly added water. It may have a function of reducing the stains. For example, the clothing care composition of the present invention can be used as a clothing detergent composition having a clothing care effect. Also, the clothing care composition of the present invention may be applied to clothing in water and used as a friction-reducing agent composition that reduces the coefficient of friction when the clothing is in contact with another clothing or when the clothing is in contact with another object. it can.

<Composition, etc.>
The content of the component (a) in the care agent composition for clothing of the present invention can be adjusted by causing the component (b) to exhibit a friction-reducing action between the clothing and the clothing in water or between the clothing and another object in water. From the viewpoint of suppressing damage to clothing and, for example, suppressing the occurrence of pills in clothing, it is preferably 0.3% by mass or more, more preferably 0.5% by mass or more, and further preferably 0%. 0.7% by mass or more, and from the same viewpoint, preferably 7% by mass or less, more preferably 5% by mass or less, further preferably 4% by mass or less, still more preferably 3% by mass. It is below, and more preferably 2% by mass or less.

The content of the component (b) in the clothing care composition of the present invention is such that the effect of reducing friction between the clothing and the clothing in water or between the clothing and another object is exerted, thereby damaging the clothing. From the viewpoint of suppressing the occurrence of pills in clothing, preferably 0.1% by mass or more, more preferably 0.3% by mass or more, and further preferably 0.5% by mass. Or more, more preferably 0.7% by mass or more, still more preferably 1% by mass or more, and preferably from the viewpoint that the viscosity of the clothing care composition of the present invention does not become too high. It is less than 5% by mass, more preferably 4% by mass or less, still more preferably 3% by mass or less, even more preferably 2.5% by mass or less, still more preferably 2% by mass or less. .. Further, by exhibiting a friction-reducing action between clothes in clothes or between clothes and other objects in water, damage to the clothes can be suppressed, and for example, generation of pills in the clothes can be suppressed. Since fluff may increase on the contrary due to too low friction, the upper limit of the content of the component (b) is preferably less than 5% by mass, and more preferably 4% by mass. It is below, and more preferably 3% by mass or less.

From the viewpoint of causing the component (b) in the clothing care composition of the present invention to exhibit a friction-reducing effect in water and further enhancing the friction-reducing effect, the component (b) in the clothing care composition of the present invention (A) component/(b) component, which is a mass ratio of the content of the component (a) to the content, is preferably 0.1 or more, more preferably 0.3 or more, and further preferably 0. 0.5 or more, more preferably 0.7 or more, still more preferably 1 or more, and from the same viewpoint, preferably 10 or less, more preferably 7 or less, and more preferably It is 5 or less, more preferably 4 or less, still more preferably 3 or less, even more preferably 2 or less, and even more preferably 1.5 or less.

The content of the component (c) in the care agent composition for clothing of the present invention is such that the component (b) exhibits a friction-reducing action between the clothing and the clothing in water or between the clothing and another object in water. From the viewpoint of suppressing damage to clothing and, for example, suppressing the occurrence of pills in clothing, it is preferably 4% by mass or more, more preferably 5% by mass or more, and further preferably 7% by mass or more. It is more preferably 10% by mass or more, and from the viewpoint of enhancing the stability of the clothing care composition of the present invention containing the component (b), it is preferably 30% by mass or less, more preferably 25% by mass. The content is preferably not more than 20% by mass, more preferably not more than 20% by mass, still more preferably not more than 17% by mass.

From the viewpoint of causing the component (b) in the clothing care composition of the present invention to exhibit a friction lowering effect in water and further enhancing the friction lowering effect, the component (a) in the clothing care composition of the present invention The component (c)/component (a), which is the mass ratio of the content of the component (c) to the content, is preferably 1 or more, more preferably 2 or more, further preferably 2.5 or more. Yes, still more preferably 4 or more, and from the same viewpoint, preferably 30 or less, more preferably 25 or less, further preferably 20 or less, still more preferably 18 or less, More preferably, it is 15 or less.

The pH at 30° C. of the clothing care composition of the present invention is preferably 10 or less, more preferably 9 or less, and further preferably 8.5 or less from the viewpoint of further suppressing pills generated in clothing. And more preferably 8 or less, still more preferably 7.5 or less, still more preferably 7 or less, still more preferably 6.5 or less, and from the same viewpoint, preferably Is 2.5 or more, and more preferably 3 or more. The pH can be measured by the following method.

[Method of measuring pH]
A pH measuring composite electrode (HORIBA glass lap sleeve type) is connected to a pH meter (HORIBA pH/ion meter F-23), and the power is turned on. A saturated potassium chloride aqueous solution (3.33 mol/L) is used as the pH electrode internal liquid. Next, a pH 4.01 standard solution (phthalate standard solution), a pH 6.86 (neutral phosphate standard solution), and a pH 9.18 standard solution (borate standard solution) were filled in 100 mL beakers respectively, and 30 Immerse in a constant temperature bath at ℃ for 30 minutes. The pH measuring electrode is immersed in the standard solution adjusted to a constant temperature for 3 minutes, and the calibration operation is performed in the order of pH 6.86→pH 9.18→pH 4.01. The sample to be measured is adjusted to 30° C., the electrode of the pH meter is immersed in the sample, and the pH after 1 minute is measured.

The viscosity of the clothing care composition of the present invention at 30° C. is preferably 50 mPa·s or more, more preferably 100 mPa·s or more, and preferably from the viewpoint of easy use of the clothing care composition. Is 100,000 mPa·s or less, more preferably 50,000 mPa·s or less, and further preferably 5000 mPa·s or less.

In addition to the above, the care composition for clothing of the present invention may contain the following components (d1) to (d7).
(D1) Anti-recontamination agents such as polyacrylic acid, polymaleic acid and carboxymethyl cellulose and dispersants are contained in the composition in an amount of 0.01% by mass or more and 10% by mass or less.
(D2) 0.01% by mass or more and 10% by mass or less of a bleaching agent such as hydrogen peroxide, sodium percarbonate or sodium perborate in the composition (d3) tetraacetylethylenediamine, the general formula (I of JP-A-6-316700) -2) to (I-7) a bleach activator such as a bleach activator represented by 0.01 to 10% by mass in the composition,
(D4) One or more enzymes selected from cellulases, amylases, pectinases, proteases and lipases, preferably one or more enzymes selected from amylases and proteases, in an amount of 0.001 mass% or more, preferably 0.01 Mass% or more, more preferably 0.1 mass% or more, further preferably 0.3 mass% or more, and 2 mass% or less, preferably 1 mass% or less (d5) fluorescent dye, for example, Tinopearl CBS (trade name, Ciba Specialty Chemicals) or Whitex SA (trade name, manufactured by Sumitomo Chemical Co., Ltd.) in the composition, 0.001% by mass or more and 1% by mass or less (d6) butylhydroxytoluene, distyrenated cresol, 0.01% by mass or more and 2% by mass or less (d7) of antioxidants such as sodium sulfite and sodium bisulfite in the composition (d7), an appropriate amount of a defoaming agent such as a fragrance, an antibacterial preservative, and silicone.

The present invention provides a care method for clothing, which comprises treating the clothing with a care liquid containing the care composition for clothing of the present invention and water. The matters described in the care method of the present invention can be appropriately applied to this care method. Examples of the treatment of clothing include a treatment in which the clothing is rubbed in water. The care method of the present invention may be applied during hand washing.

The water used in the method for caring for clothing of the present invention is preferably water having hardness. The hardness of water is a German hardness, preferably 1° dH or more, more preferably 2° dH or more, further preferably 3.5° dH or more, from the viewpoint of further improving the texture imparting effect on textile products such as clothing. It is more preferably 5° dH or more, still more preferably 7° dH or more, and preferably 20° dH or less, more preferably 18° dH or less, still more preferably 15° dH or less. Here, the German hardness (°dH) in the present specification means the concentration of calcium and magnesium in water in terms of CaCO ₃ conversion concentration of 1 mg/L (ppm)=about 0.056°dH (1°dH=17. 8 ppm).

The calcium and magnesium concentrations for this German hardness are determined by chelate titration using ethylenediaminetetraacetic acid disodium salt.

The specific method for measuring the German hardness of water in the present specification is shown below.
[Measuring method of German hardness of water]
〔reagent〕
-0.01 mol/l EDTA-2Na solution: 0.01 mol/l aqueous solution of disodium ethylenediaminetetraacetate (titration solution, 0.01 M EDTA-Na2, manufactured by SIGMA-ALDRICH)
・Universal BT indicator (Product name: Universal BT, manufactured by Dojindo Laboratories Co., Ltd.)
-Ammonia buffer for hardness measurement (solution in which 67.5 g of ammonium chloride is dissolved in 570 ml of 28 w/v% ammonia water and the total amount is 1000 ml with ion-exchanged water)
[Measurement of hardness]
(1) Collect 20 ml of sample water into a conical beaker with a whole pipette.
(2) Add 2 ml of ammonia buffer solution for hardness measurement.
(3) Add 0.5 ml of Universal BT indicator. Make sure that the solution after addition is magenta.
(4) While thoroughly shaking the conical beaker, 0.01 mol/l EDTA.2Na solution was added dropwise from the buret, and the time point at which the sample water turned blue was taken as the end point of the titration.
(5) The total hardness is calculated by the following calculation formula.
Hardness (°dH)=T×0.01×F×56.0774×100/A
T: Titration amount of 0.01 mol/l EDTA2Na solution (mL)
A: Sample volume (20 mL, volume of sample water)
F: Factor of 0.01 mol/l EDTA2Na solution

The care liquid used in the present invention is preferably a care liquid obtained by mixing the component (a), the component (b), and water having a German hardness of 1° dH or more and 20° dH or less.

In the clothing care method of the present invention, the value of the bath ratio represented by the ratio of the mass of clothing (kg) to the amount of care liquid (liter), that is, the amount of care liquid (liter)/mass of clothing (kg) ( Hereinafter, this value may be referred to as a bath ratio), from the viewpoint of suppressing pills generated in clothing, preferably 2 or more, more preferably 3 or more, and preferably 100 or less, more preferably It is 60 or less, more preferably 30 or less, still more preferably 10 or less.

In the clothing care method of the present invention, it is preferable to treat the clothing by contacting it with a care liquid. From the viewpoint of the effect of the present invention, the time for contacting the clothing with the care liquid is preferably 1 minute or more, more preferably 2 minutes or more, still more preferably 3 minutes or more, and preferably 6 hours or less, and even more preferably It is 3 hours or less, more preferably 1 hour or less.

As an embodiment using the clothing care composition of the present invention, for example,
(1) A method for improving the slipperiness of clothes in a hand-washing laundry liquid by allowing the care composition for clothes of the present invention to be present in the laundry liquid in the range of 1 g/L or more and 20 g/L or less during hand-washing laundry (2) ) In the washing liquid at the time of hand washing and washing, the component (a) is present in the range of 0.02 g/L or more and 3 g/L or less and the component (b) is present in the range of 0.02 g/L or more and 1 g/L or less, and a hand washing liquid Method for improving slipperiness of clothes in the inside (3) Washing method for hand-washing clothes using a washing liquid containing the care composition for clothes of the present invention in the range of 1 g/L or more and 20 g/L or less ( 4) Hand washing of clothes using a washing liquid containing (a) component in the range of 0.02 g/L or more and 3 g/L or less and (b) in the range of 0.02 g/L or more and 1 g/L. Method etc. are mentioned.

<Ingredients>

[(A) component]
Fatty acid amide ethanol (1): In formula (I), R ¹ is a mixed alkyl group having 7 to 17 carbon atoms, R ² is a methyl group, and R ³ is an ethylene group. Nonionic surfactant fatty acid amide ethanol (2): Palm fatty acid diethanolamide alkylglycoside (1): In the general formula (II), R ^1a is a decyl group, G is a residue derived from glucose, x is 0, and y is a compound alkylglycoside (1.3): In the general formula (II), R ^1a is a lauryl group, G is a residue derived from glucose, x is 0, and y is 1.4.

[(B) component]
HEC (1): Hydroxyethyl cellulose (4800 to 6000 mPa·s/2 mass% aqueous solution/20° C.)

[(C) component]
AES (1): polyoxyethylene alkyl ether sulfuric acid ester sodium salt (average number of moles of oxyethylene group added is 2, alkyl group is a mixed alkyl group having 12 to 16 carbon atoms)
AE (1): polyoxyethylene alkyl ether (average number of moles of oxyethylene group added is 21 moles, alkyl group is lauryl group)

〔water〕
Deionized water

<Preparation of care composition for clothing>
The care compositions for clothing shown in Tables 1 and 2 were prepared using the above-mentioned compounding ingredients and the ingredients in the tables, and the compositions in Table 1 were evaluated for the following items. The results are shown in Table 1.
The clothing care compositions shown in Tables 1 and 2 were specifically prepared as follows. A Teflon (registered trademark) stirrer piece having a length of 5 cm was placed in a glass beaker having a capacity of 200 mL to measure the mass. Next, 80 g of ion-exchanged water at 20° C., a component (a), a component (b), a component (c), and an optional component were added, and the upper surface of the beaker was sealed with Saran Wrap (registered trademark).
The beaker containing the contents was placed in a 60° C. water bath installed on a magnetic stirrer, and the water in the water bath was stirred at 100 r/min for 30 minutes within a temperature range of 60±2° C. Next, the water in the water bath was replaced with tap water at 5°C, and the composition was cooled in the beaker until the temperature of the composition reached 20°C. Next, the Saran Wrap (registered trademark) was removed, ion-exchanged water was added so that the mass of the content was 100 g, and the mixture was stirred again at 100 r/min for 30 seconds to give the clothing care composition shown in Table 1. Obtained. The pH (30° C.) of each clothing care composition was in the range of 4 to 6 as a result of measurement by the above-mentioned pH measuring method.

<Measurement method of friction between cloths when wet (measurement of average dynamic friction coefficient)>
-Device: Handy Trypo Master Type: TL201Ts, static/dynamic friction measuring device, manufactured by Trinity Lab Co., Ltd., liquid receiving bat, surface contactor (contact area 2 cm x 2 cm)
-Measurement conditions: load 100 g, speed 2 mm/sec, measurement distance 50 mm, number of reciprocations 5 times, cloth moisture content 450-500% by mass
・Test cloth: cotton knit (brown), purchased from Ogura Sangyo (cotton knit unsill)
Pretreatment of test cloth 2.0 kg of test cloth was repeatedly washed 5 times with a commercial detergent (Attack Bio EX, Kao Co., Ltd.) (detergent concentration, 1.5 g/L, water volume 40 liters, washing 6 minutes, water rinsing 2) Time, dehydration 3 minutes, washing machine: NA-F70PX9, manufactured by Panasonic Co., Ltd. The test cloth after washing was dried in a room (15 to 25° C./30 to 60% RH) for 24 hours.
Sample liquid: A sample liquid obtained by mixing the care composition for clothing with water having a concentration of 5 g/L and a hardness of 5° DH and an alkalinity of 30. Evaluation method 1. The test cloth on the surface contactor side and the test cloth on the liquid receiving butt side were dipped in the sample liquid for 1 minute.
2. While the cloth was wet, the test cloth on the surface contactor side was fixed to the surface contactor, and the test cloth on the liquid receiving butt side was placed on the liquid receiving bat.
3. The measurement conditions of the friction measuring device were set and the cloth-to-cloth friction was performed when wet.
4. A five-time average value of the dynamic friction coefficient was calculated.
Using Comparative Example 9 as the reference composition, the ratio of the average dynamic friction coefficient X of the test cloth treated with the composition and the average dynamic friction coefficient Y of the test cloth treated with the clothing care composition treated with each composition. The value of X/Y is shown in Table 1. It is acceptable that X/Y is less than 1.

<Evaluation method of detergency>
[Preparation of model sebum stains]
A model sebum stain (corresponding to A of artificial stain) having the following composition was produced, and the artificial stain containing the model sebum stain was used for producing an artificially contaminated cloth and an apparel for evaluation.
・Model sebum stain composition:
Lauric acid 0.44 parts by mass, myristic acid 3.15 parts by mass, pentadecanoic acid 2.35 parts by mass, palmitic acid 6.31 parts by mass, heptadecanoic acid 0.44 parts by mass, stearic acid 1.6 parts by mass, oleic acid. 7.91 parts by mass, triolein 13.33 parts by mass, n-hexadecyl palmitate 2.22 parts by mass, squalene 6.66 parts by mass

[Preparation of artificially contaminated cloth]
-Artificial dirt The composition containing the following A, B, C, D and E was used as artificial dirt. Each mass% is the ratio in the artificial dirt of the final composition, and the amount of B was adjusted so that the total was 100 mass %.
A: Model sebum stain (mass% in artificial dirt is 0.44 mass% lauric acid, 3.15 mass% myristic acid, 2.35 mass% pentadecanoic acid, 6.31 mass% palmitic acid, 0 heptadecanoic acid) 0.44% by mass, stearic acid 1.6% by mass, oleic acid 7.91% by mass, triolein 13.33% by mass, n-hexadecyl palmitate 2.22% by mass, and squalene 6.66% by mass. Use)
B: Calcium chloride dihydrate (105 mg) was weighed and dissolved in distilled water to obtain 1,000 ml of hard water C: Egg white lecithin liquid crystal 1.98 mass% (80 ml of distilled water, 11.37 g of arginine hydrochloride and 4 histidine). .20 g and serine 2.44 g were dissolved, the pH was adjusted to 5.0 with concentrated hydrochloric acid, and this solution and egg white lecithin were thoroughly mixed with a mixer to obtain an egg white lecithin liquid crystal substance) D: Kanuma red clay 8.11 mass%
E: 0.025% by mass of carbon black
The artificially contaminated cloth used was a 6 cm x 6 cm cotton/polyester broad blended dyed cloth (cotton/polyester ratio = 35/65, purchased from Tanigami Shoten), and the artificial dirt of the above composition was 100 mg per sheet. It was gravure coated.

[Cleaning conditions]
As model tap water, water in which a hardness component was added to 5 DH° (Ca/Mg=7/3, mass ratio) to ion-exchanged water was used. To 0.6 liters of this model tap water, 0.6 g of the clothing care composition shown in Table 4 was added, and four artificially contaminated cloths were put therein. It was washed with a tergotometer under conditions of 100 rotations and 10 minutes.
The cleaning power was obtained by measuring the reflectance of the unfabricated cloth before and after the cleaning at 550 nm with a colorimetric color difference meter (Z-300A manufactured by Nippon Denshoku Co., Ltd.) and calculating the cleaning rate (%) by the following formula. .. Each of the four contaminated cloths was measured and the average value was obtained. A cleaning rate of 30% or more is a passing line, and a higher value is more preferable.
Washing rate (%)=100×[(reflectance after washing−reflectance before washing)/(reflectance of original cloth−reflectance before washing)]]

A reduction in the friction coefficient can be expected to have a clothing care effect. Specifically, it can be evaluated by the above-mentioned clothing care evaluation method. In Table 1, the compositions of Examples have smaller average dynamic friction coefficients than Comparative Examples, and are judged to have excellent clothing care effects.

The compositions of the examples in Table 2 are capable of cleaning stains on clothing. The compositions of Examples contain the components (a), (b) and (c) under the conditions of the present invention, and can exert the effect of reducing friction on clothing.

Claims (10)

A care composition for clothing, comprising the following component (a), component (b) and component (c).
Component (a): one or more nonionic surfactants selected from a nonionic surfactant having a sugar skeleton and a nonionic surfactant having an amide group (b) component: polysaccharide polymer (c) component: other than component (a) Surfactant The clothing care composition according to claim 1, wherein the component (a) is one or more nonionic surfactants selected from the following components (a1) and (a2).
Component (a1): Nonionic surfactant having amide group and aliphatic hydrocarbon group (a2) Component: Nonionic surfactant having sugar skeleton and aliphatic hydrocarbon group The care agent composition for clothing according to claim 1, wherein the component (b) is a nonionic polysaccharide polymer. The care composition for clothing according to any one of claims 1 to 3, wherein (a) component/(b) component, which is a mass ratio of (a) component and (b) component, is 0.1 or more and 10 or less. Stuff. The component (c) is one or more kinds of surfactants selected from (c1) anionic surfactants, (c2) cationic surfactants, and (c3) amphoteric surfactants. A care composition for clothes as described in. (C1) The anionic surfactant is one selected from the following (c1-1) component, (c1-2) component, (c1-3) component, (c1-4) component, and (c1-5) component. The care composition for clothing according to claim 5, which is the above anionic surfactant.
Component (c1-1): Alkyl or alkenyl sulfate ester salt (c1-2) Component: Polyoxyalkylene alkyl or alkenyl ether sulfate ester salt (c1-3) component having an oxyalkylene group having 2 to 3 carbon atoms: Alkyl Or alkenylbenzene sulfonate (c1-4) component: sulfonate (c1-5) component other than (c1-3) component: fatty acid having 12 to 24 carbon atoms or salt thereof The total amount of one or more anionic surfactants selected from the component (c1-1), the component (c1-2) and the component (c1-4) in the component (c1) is 50% by mass or more. The care composition for clothing according to item 6. The content of the cationic surfactant having 2 or 3 aliphatic hydrocarbon groups having 12 or more and 24 or less carbon atoms in the component (c) is 30% by mass or less. A care composition for clothes as described. The care composition for clothing according to any one of claims 1 to 8, which has a pH at 30°C of 2.5 or more and 10 or less. 10. The care composition for clothing according to claim 1, wherein the clothing is a clothing containing cotton fibers.