JPH083585A - Detergent composition - Google Patents

Abstract

PURPOSE:To obtain a detergent composition containing a specific N-acylalanine salt, a specific higher fatty acid salt and a specific surfactant, hardly irritating skin, etc., capable of improving retention of foam, foam quality and feeling to users and excellent in the safety. CONSTITUTION:This detergent composition contains (A) an N-acylalanine salt whose acyl group is an 8-22C fatty acid residue, e.g. N-lauroylalanine sodium salt, (B) an 8-22C higher fatty acid salt such as sodium laurate and (C) one or more surfactants (excluding the components A and B) selected from a group composed of carboxylic acid salt type, sulfonic acid salt type and sulfuric acid salt type anionic surfactants. In the blend weight ratio of the components A to C, a weight ratio of the components A/B is preferably (99.5/0.5) to (0.5/99.5) and the component C is preferably in a range of (1/15) to (15/1) based on total amount of the components A and B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detergent composition containing an N-acylalanine salt, a higher fatty acid salt and other surfactants in combination. The detergent composition of the present invention is a detergent composition which is less irritating and safe, and has improved foam retention, foam quality, and feeling of use.

[0002]

2. Description of the Related Art Conventionally, detergent compositions mainly containing anionic surfactants such as shampoos, face-wash soaps and kitchen detergents include higher fatty acid salts, polyoxyethylene alkyl ether sulfates and alkylbenzene sulfonates. Is used. However, the detergents containing these anionic surfactants as the main ingredients have excellent detergency, but the feeling of squeaking during rinsing and the feeling of tightness after use are not sufficiently satisfactory. Not only that, but it also has a problem of irritation to the skin and damage to the hair.

Also, there is little irritation to the skin and hair,
N-acyl amino acid salts are known as surfactants having excellent detergency, and particularly N-acyl glutamate (“functional cosmetics” (published by CMC, page 275, 1990).
)), N-acyl sarcosine salts, N-acyl-N-methyl-β-alanine salts, N-acyl methyl taurine salts and the like are widely used as detergents. Other N-acyl amino acid salts have also been studied for a long time, and N-acyl amino acids have been actually synthesized and studied for natural amino acids and synthesizable amino acids. In particular, there are many reports regarding the results of studies on N-acyl derivatives of natural amino acids.

In recent years, it has been reported that the scum formed by N-acylglycine salt, N-acyl-β-alanine salt and the like with calcium in tap water has a good feeling (Japanese Patent Laid-Open No. 4-221607). Issue). However, regarding the N-acyl amino acid salt in this report, the foam performance was not sufficient in terms of foam retention, creamy property, foaming power, sliminess and the like.

Conventionally, N of alanine which is an oxyamino acid
-There are few examples of using a long-chain acylated product in a detergent composition.
Japanese Examined Patent Publication No. 39-29444 describes a cleansing composition which does not roughen the skin, which is added and compounded in an amount of 1 to 50% by weight with respect to a mineral oil type or alcohol synthetic detergent. But,
In terms of usability such as foam quality and feeling of washing up, satisfactory results have not been obtained. JP-A-55-90594 discloses a detergent composition containing an N-acyl mixed amino acid salt, and it is described that the N-acyloxy amino acid salt has a protective effect on the skin and hair. There is. However, although this detergent composition is excellent in foaming and squeaky feeling at the time of rinsing, it is not sufficient in terms of foam quality and rinsing feeling, and also has the same problem when used as an acylalanine salt alone. In addition, there is a problem that the retention of bubbles is poor.

[0006]

Under the background of the prior art described in the preceding paragraph, an object of the present invention is to use N-acylalanine salt, which is excellent in detergency, retains the foam, has a foam quality and a feeling of use. The object is to provide utilization of N-acylalanine salts, which has hitherto been unsatisfactory by providing improved detergent compositions.

[0007]

Means for Solving the Problems As a result of intensive studies to achieve the object described in the preceding paragraph, the present inventor found that N-acyl alanine salts, higher fatty acid salts and other surfactants are used in combination. It was found that the above object was achieved, and the present invention was completed based on such findings.

That is, according to the present invention, (A) an acyl group is an N-acyl alanine salt having a fatty acid residue having 8 to 22 carbon atoms, (B) a higher fatty acid salt having 8 to 22 carbon atoms, and (C). The present invention relates to a detergent composition containing a surfactant (excluding components (A) and (B)).

The present invention will be described in detail below.

The acyl group of the N-acylalanine salt which is the component (A) of the detergent composition of the present invention is an acyl residue of a saturated or unsaturated fatty acid having 8 to 22 carbon atoms,
Examples thereof include acyl residues of fatty acids having a single composition such as lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid. Other than these, coconut oil fatty acid, tallow fatty acid, hardened tallow fatty acid, castor oil fatty acid, olive oil. It may be an acyl residue of a naturally occurring mixed fatty acid such as fatty acid or palm oil fatty acid, or a synthetically obtained fatty acid (including a branched chain fatty acid). Preferred specific examples of the N-acyl alanine salt include N-lauroyl alanine, N-myristoyl alanine, N-palmitoyl alanine, N-stearoyl alanine, N-oleoyl alanine, N-cocoyl alanine and N-hardened tallow fatty acid acyl alanine. Examples thereof include salts. And
These N-acyl alanine salts may be either optically active or racemic.

The base component of the N-acylalanine salt according to the present invention includes alkali metals such as sodium and potassium, alkaline earth metals such as magnesium and calcium, monoethanolamine, diethanolamine, triethanolamine and 2-amino-. Examples thereof include organic amines such as 2-methyl-1-propanol and 2-amino-2-methyl-1,3-propanediol, inorganic amines such as ammonia, and basic amino acids such as lysine, ornithine and arginine. . These base components are 2
You may use it in combination of 2 or more types.

The higher fatty acid salt which is the component (B) of the detergent composition of the present invention is a saturated or unsaturated linear or branched chain having 8 to 22 carbon atoms. Lauric acid, myristic acid, palmitic acid,
Examples thereof include stearic acid, coconut oil fatty acid, hardened beef tallow fatty acid, behenic acid, and oleic acid. Examples of the base component of these salts include alkali metals such as sodium and potassium, alkaline earth metals such as magnesium and calcium, monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1-propanol, 2 -Amino-2-methyl-1,3
-Organic amines such as propanediol, inorganic amines such as ammonia, basic amino acids such as lysine, ornithine, arginine, and the like. These base components may be used alone or in combination of two or more.

Component (A) in the detergent composition of the present invention
The blending ratio of the component (B) and the component (B) has a weight ratio of 99.5 / 0.5 to 0.5 / 99.5 depending on the performance of the intended product.
It is appropriately determined within the range. The content ratio of the component (B) is 0.
When it is less than 5, the amount of foam is sufficient, but the retention of foam is poor, the quality of the foam is rough, and there is a problem in that the feeling of washing up is slightly slimy. Further, when the blending ratio of the component (A) is less than 0.5, although the retention of the foam is sufficient, there is a problem in the usability such as a squeaky feeling during rinsing, and
It also has problems with irritation to hair and skin.

Other surfactants which are the component (C) of the detergent composition of the present invention include carboxylate type (excluding the components (A) and (B)), sulfonate type, Anionic surfactants such as sulfate ester type; cationic surfactants such as aliphatic amine quaternary ammonium salt type, aromatic quaternary ammonium salt type, mono long-chain acyl basic amino acid lower alkyl ester salt type A nonionic surfactant such as an alkylglycoside type and an aliphatic alkanolamide type; and a zwitterionic surfactant such as a betaine type and an imidazoline type.

The various surfactants used as the third component of the cleaning composition of the present invention will be described in detail below.

First, the anionic surfactant will be described.

Examples of carboxylate type anionic surfactants include N-acylcarboxylate type and ethercarboxylate type surfactants.

In the N-acylcarboxylate type anionic surfactant, the acyl group is an acyl residue of a saturated or unsaturated fatty acid having 8 to 22 carbon atoms, and examples thereof include lauric acid, myristic acid and palmitin. Acid, stearic acid, oleic acid, and other single-component fatty acid acyl residues can be mentioned.In addition to these, coconut oil fatty acid, tallow fatty acid, hardened tallow fatty acid, castor oil fatty acid, olive oil fatty acid, palm oil fatty acid, etc. It may be an acyl residue of the obtained mixed fatty acid or the synthetically obtained fatty acid (including branched fatty acid). The aminocarboxylic acid bound to this is, for example, glutamic acid, aspartic acid, cysteic acid, acidic amino acids such as homocysteic acid, glycine, alanine, valine, leucine, isoleucine, phenylalanine, tryptophan, sarcosine, β-alanine, γ. -Aminobutyric acid, ε-aminocaproic acid, serine, homoserine, tyrosine, proline, hydroxyproline, neutral amino acids such as cystine, cysteine and methionine, and basic amino acids such as lysine, ornithine and arginine. These acylcarboxylic acids can be used in either optically active form or racemic form.

Examples of the ether carboxylate type anionic surfactants include polyoxyethylene alkyl ether acetate, polyglyceryl alkyl ether acetate, and the like. Specifically, for example, polyoxyethylene lauryl ether acetate, Examples thereof include polyoxyethylene tridecyl ether acetate.

As the sulfonate type anionic surfactant, for example, a sulfosuccinate type anionic surfactant,
Alkyl sulfonate type, ester sulfonate type, N
And monobasic acid type organic sulfonate type anionic surfactants such as acyl sulfonate type.

The above-mentioned sulfosuccinate-type anionic surfactant is a sulfosuccinate ester of a higher alcohol or its ethoxylate or a sulfosuccinate ester derived from a higher fatty acid amide represented by the following general formula (1) or (2). Alternatively, these salts may be mentioned.

[0022]

Embedded image In the above formula, R ¹ is R ² —O— or R ³ —CONH—
(Wherein R ² is a linear or branched alkyl or alkenyl group having 8 to 22 carbon atoms, and R ³ is a linear or branched alkyl or alkenyl group having 7 to 21 carbon atoms. , M ¹ and M ² each independently represent a hydrogen atom or a cation selected from alkali metals, alkaline earth metals, ammonium and organic ammonium, and a represents an integer of 0 to 20.

Specifically, for example, undecylenoylamide ethyl sulfosuccinate, polyoxyethylene lauroyl ethanolamide ester sulfosuccinate, lauryl sulfosuccinate, lauryl polyoxyethylene sulfosuccinate, oleic amide sulfosuccinate, etc. Is mentioned.

The above monobasic acid type organic sulfonate type anionic surfactant has 8 to 22 carbon atoms.
A straight chain or branched chain alkyl or alkenyl sulfonate, an alkylbenzene sulfonate having a straight chain or branched chain alkyl group having 10 to 16 carbon atoms, and an acyl group having a straight chain chain having 8 to 22 carbon atoms or N-acyl sulfonate or O- which is a branched saturated or unsaturated fatty acid residue
It is an acyl sulfonate.

Specific examples thereof include alkane sulfonate, α-olefin sulfonate, alkylbenzene sulfonate, acylmethyl taurine salt, isethionic acid fatty acid ester salt and α-sulfonated fatty acid ester salt.

Examples of sulfate ester type anionic surfactants include surfactants such as alkyl sulfates and ether sulfates.

The above-mentioned alkyl sulfate type anionic surfactant is a salt of an ester of a straight chain or branched chain saturated or unsaturated higher alcohol having 8 to 22 carbon atoms and sulfuric acid,
Examples thereof include lauryl sulfate, myristyl sulfate, and oleyl sulfate.

The above-mentioned ether sulfate type anionic surfactant is an alkylene oxide addition type of the above alkyl sulfate salt, and examples thereof include polyoxyethylene lauryl ether sulfate, polyoxyethylene myristyl ether sulfate and polyoxyethylene. Examples include oleoyl ether sulfate.

As the base component of these various anionic surfactants, alkali metals such as sodium and potassium,
Alkaline earth metals such as magnesium and calcium, organic amines such as monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1-propanol and 2-amino-2-methyl-1,3-propanediol , Inorganic amines such as ammonia and basic amino acids such as lysine ornithine and arginine,
Etc. These base components may be used alone or in combination of two or more.

The blending ratio of the above various anionic surfactants is appropriately determined according to the performance of the intended product,
Usually 1 / of the total weight of component (A) and component (B)
It is mixed in the range of 15 to 15/1.

Next, the cationic surfactant used as the third component of the detergent composition of the present invention will be described.

The aliphatic amine quaternary ammonium salt is, for example, a linear mono- or dialkyl quaternary ammonium salt represented by the following general formula (3).

[0033]

Embedded image In the above formula, one or two of R ^{4 to} R ⁷ represent a long-chain alkyl group having 8 to 24 carbon atoms, and the rest are 1 carbon atoms.
~ 3 alkyl group or hydroxyalkyl group, and X represents a halogen atom or an alkylsulfate group having 1 or 2 carbon atoms.

Preferred specific examples of such an ammonium salt include lauryl trimethyl ammonium chloride, myristyl trimethyl ammonium chloride, palmityl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, oleoyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, cetyl trimethyl ammonium. Methyl sulfate, eicosyl trimethyl ammonium chloride, mono long-chain alkyl quaternary ammonium salts such as behenyl trimethyl ammonium chloride, and dipalmityl dimethyl ammonium chloride, distearyl dimethyl ammonium chloride, dihydrogenated tallow alkyl dimethyl ammonium bromide, dihydrogen Added tallow alkyldi Di-long-chain alkyl quaternary ammonium salts, such as chill ammonium methylsulfate can be mentioned, respectively. These are used alone or in combination of two or more.

Aromatic quaternary ammonium salts are, for example,
It is a benzalkonium salt represented by the following general formula (4).

[0036]

Embedded image In the above formula, R ⁸ represents an alkyl group having 8 to 24 carbon atoms, and Y represents a halogen atom or an alkylsulfate group having 1 or 2 carbon atoms.

Preferred specific examples of the penzalkonium salt include lauryldimethylbenzylammonium chloride and stearyldimethylbenzylammonium chloride. These may be used alone or in combination of two or more.

As the mono-long-chain acyl basic amino acid lower alkyl ester salt type cationic surfactant, an acyl group is an acyl residue of a fatty acid having 8 to 22 carbon atoms, a lauroyl group, a cocoyl group, a myristoyl group, Examples thereof include palmitoyl group, stearoyl group and oleoyl group. The basic amino acid bound to this is, for example, a natural amino acid such as lysine, ornithine, arginine, etc., and can be used regardless of its optically active form or racemic form. In addition, as salts of mono long-chain acyl basic amino acid lower alkyl ester salts, for example,
Inorganic acid salts such as hydrochloride and sulfate, and organic acid salts such as acetate, tartrate, citrate, p-toluenesulfonate, fatty acid salt, acidic amino acid salt and pyroglutamate can be adopted. . Suitable lower alkyl ester components are methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl and octyl esters.

These benzalkonium salts may be used alone or in combination of two or more.

The blending amount of each of the above various cationic surfactants is appropriately determined according to the performance of the intended product.
Usually, the proportion of the detergent composition is 0.01 to 5.0% by weight.

Next, the nonionic surfactant used as the third component of the detergent composition of the present invention will be described.

Examples of the alkyl glycoside include those represented by the following general formula (5).

[0043]

[Chemical 4] In the above formula, R ⁹ is a linear or branched chain containing 8 carbon atoms.
~ 18 alkyl group or alkenyl group, R ¹⁰ represents an alkylene group having 2 to 4 carbon atoms, G is a residue derived from a reducing sugar having 5 to 6 carbon atoms, and b
Has an average value of 0 to 5, and c has an average value of 1 to 1.
0.

In the above general formula (5), the average value of c is 1
When it is larger, that is, when a sugar chain having two or more sugars is used as a hydrophilic group, the sugar chain has a binding mode of 1-2, 1-3, 1-4 or 1-6 bond, and further α- or β-pyranoside or furanoside. It is possible to include conjugation or any mixture of these with mixed conjugation modes. The value of b is preferably 0 to 2 from the viewpoint of water solubility and crystallinity,
And the preferable average value of c is about 1 from the viewpoint of the foam increasing effect.
It is 3.

R ⁹ is a linear or branched alkyl group having 8 to 18 carbon atoms, an alkenyl group or an alkylphenyl group, and the preferred number of carbon atoms is 10 in view of solubility, foaming property and detergency. It is 14. R ¹⁰ is an alkylene group having 2 to 4 carbon atoms, and a preferable value is 2 to 3 in terms of water solubility. Furthermore, the structure of G is determined by a monosaccharide or a raw material of two or more sugars. As the raw material of G, monosaccharides include glucose, galactose, xylose, mannose, lyxose, arabinose and the like, and a mixture thereof. In the case of two or more sugars, maltose, xylobiose, isomaltose, cellobiose, gentibiose, lactose, sucrose, nigerose, turanose, raffinose, gentianose, melezitose and the like, and mixtures thereof can be mentioned. Of these, preferred monosaccharide raw materials are glucose and fructose because of their availability and low cost, and maltose and sucrose for two or more sugars.

These alkyl glycosides may be used alone or in combination of two or more.

Examples of the aliphatic alkanolamides include those represented by the following general formula (6).

[0048]

Embedded image In the above formula, R ¹¹ represents an alkyl group having 8 to 20 carbon atoms, R ¹² and R ¹³ are the same or different, and are a hydrogen atom, a hydroxyalkyl group having 1 to 3 carbon atoms, or
_{(C 2 H 4 O) d} H group (wherein, d represents an integer of 2-4) shows a.

In the above formula, the number of carbon atoms of the alkyl group represented by R ¹¹ is preferably 12 to 18, and the combination of R ¹² and R ¹³ is a hydroxyalkyl group, particularly a hydroxyethyl group. , And one is a hydroxyalkyl group, particularly a hydroxyethyl group, and the other is a hydrogen atom.

Specific examples of these aliphatic alkanolamides include coconut oil fatty acid monoethanolamide, coconut oil fatty acid diethanolamide, lauric acid monoethanolamide and lauric acid diethanolamide. These are used alone or in combination of two or more.

The blending ratio of the above nonionic surfactant is
It can be appropriately determined according to the performance of the intended product, but is usually 1/1 in the case of the alkyl glycoside represented by the general formula (5) based on the total weight of the components (A) and (B).
5 to 15/1, and in the case of the aliphatic alkanolamide represented by the general formula (6), it is mixed in the range of 1/100 to 1/2.

Finally, the zwitterionic surfactant used as the third component of the detergent composition of the present invention will be described.

Examples of betaine-type zwitterionic surfactants include carbobetaine-type surfactants, amidobetaine-type surfactants, sulfobetaine-type surfactants, hydroxysulfobetaine-type surfactants, and amidosulfobetaine-type surfactants. Examples of the agent include surfactants such as agents and phosphobetaine surfactants.

In other words, such a betaine-type surfactant is, for example, an alkyl group having 8 to 24 carbon atoms,
Betaine type surfactants having an alkenyl group or an acyl group, more specifically palm oil alkyldimethylaminoacetic acid betaine, palm oil fatty acid amide propyldimethylaminoacetic acid betaine, stearyldihydroxyethylaminoacetic acid betaine, lauryl hydroxysulfobetaine, Examples thereof include lauryl sulfobetaine and lauryl phosphobetaine. These betaine-type surfactants can be used alone or in combination of two or more kinds.

As the imidazoline type amphoteric surfactant,
For example, 2-having an alkyl group having 8 to 22 carbon atoms
Alkyl-N-carboxymethyl-N-hydroxyethyl imidazolinium betaine, 2-alkyl-N-carboxyethyl-N-hydroxyethyl imidazolinium betaine, 2-alkyl-N-sodium carboxymethyl-N-carboxymethyloxy Examples thereof include ethyl imidazolinium betaine. These may be used alone or in combination of two or more.

The mixing ratio of the above-mentioned various zwitterionic surfactants can be appropriately determined according to the performance of the intended product, and is usually 1/100 with respect to the total weight of the component (A) and the component (B).
It is mixed in the range of 15 to 15/1.

The total blending amount of the component (A), the component (B) and the component (C) in the detergent composition of the present invention is
Although it depends on the formulation of the detergent composition, the proportion of the detergent composition in the detergent composition is preferably 5 to 95% by weight.

There is no particular limitation on the dosage form of the cleaning composition of the present invention as a cleaning agent, and any dosage form such as liquid, paste, gel, solid or powder can be used.

Further, other commonly used components in the detergent composition can be added to the detergent composition of the present invention within a range not impairing the effects of the present invention. Other commonly used ingredients in detergent compositions include moisturizers such as ethylene glycol, propylene glycol, 1,3-butylene glycol, glycerin, sorbitol; glyceryl monostearate, sorbitan monopalmitate, polyoxyethylene cetyl ether, poly. Emulsifiers such as oxyethylene stearate, polyoxyethylene sorbitan monolaurate and diglycerin monostearate; hydrocarbons such as liquid paraffin, vaseline, solid paraffin, squalane, olefin oligomers; higher grades such as cetyl alcohol and stearyl alcohol Alcohols: isopropyl myristate, isopropyl palmitate, stearyl stearate, octyldodecyl myristate, octyldodecyl oleate,
Esters such as 2-ethylhexanoic acid triglyceride; sensation enhancers; agents such as superfatting agents, crude drugs; cellulose derivatives such as methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, cationized cellulose; natural polymers, polyoxyethylene glycol distearin. Viscosity modifiers such as acid esters, ethanol and carboxyvinyl polymers; antiseptic and antifungal agents such as paraben derivatives; pearling agents; anti-inflammatory agents; UV absorbers; p
H regulators; fragrances, dyes and the like can be mentioned.

[0060]

The present invention will be described in more detail with reference to the following examples. Production Example 1 (N-acylalanine salt) N-lauroyl-L-alanine was synthesized by a known Schotten-Baumann method (Japanese Patent Publication No. 51-38681), and impurities by-produced were removed by recrystallization to obtain a highly pure product. N-lauroyl-L-alanine is obtained and neutralized with potassium hydroxide or triethanolamine to obtain N-lauroyl-L-alanine potassium salt and N-lauroyl-L-alanine triethanolamine salt, respectively. Used in the following examples.

Comparative Examples 1-28 and Examples 1-69 N-lauroyl-L-alanine potassium salt (hereinafter sometimes abbreviated as lauroylalanine K) obtained in Preparation Example 1 and N-lauroyl-L-alanine Triethanolamine salt (hereinafter sometimes abbreviated as lauroylalanine TEA), potassium lauric acid salt (hereinafter sometimes abbreviated as lauric acid K), and lauric acid triethanolamine salt (hereinafter TEA lauric acid) May be abbreviated) in various ratios (weight ratios) shown in Tables 3 to 10 below, and the total concentration of the surfactant in distilled water is 0.5.
An aqueous solution with a concentration of wt% was prepared.

50 g of each aqueous solution was taken, and 3
Volume (ml) of foam after stirring with a 50 ml home-use mixer (made by Iwatani Sangyo Co., Ltd.) and leaving for 1 minute and 10 minutes
By measuring the amount of foam and foam retention (foam retention)
Was evaluated. The creamy property was evaluated by placing bubbles immediately after foaming on a slide glass, applying a cover glass, and observing with a microscope. Table 1 below shows the evaluation criteria for each evaluation item.

[0063]

[Table 1] In addition, as a cleaning agent for hair and body, a sensory evaluation of 10 males and 10 females gave the feeling of cleaning as a foam,
The squeaky feeling and the refreshing feeling were evaluated, and a comprehensive evaluation was performed. In the sensory evaluation, a hand washing test and a hair washing test were carried out by taking surfactants at the ratios shown in Tables 3 to 10 and preparing an aqueous solution having a concentration of 30% and 15% with distilled water,
It carried out about each aqueous solution. The evaluation criteria of each evaluation item are shown in Table 2 below. In the comprehensive evaluation, it was found that a score of 3 or less is insufficient for actual use, and a score of 4 or more is sufficiently satisfied for actual use.

[0064]

[Table 2] The evaluation results are also shown in Tables 3 to 10 below.

[0065]

[Table 3]

[0066]

[Table 4]

[0067]

[Table 5]

[0068]

[Table 6]

[0069]

[Table 7]

[0070]

[Table 8]

[0071]

[Table 9]

[0072]

[Table 10]

As can be seen from Tables 3 to 10, the N-acyl alanine salt alone is not sufficient in terms of foam retention, creamyness and sliminess, and the two-component system of the N-acyl alanine salt and higher fatty acid is slimy. Although improved in terms of points, it cannot be said to be sufficiently satisfactory in terms of foam performance such as foam retention and foam creaminess and foam feel. However, by further adding another surfactant as a third component, the retention of foam, the creaminess of foam are improved, and the feeling of use of foam, squeaky feeling, and refreshing feeling are also improved by the synergistic effect of the three parties. There is.

(C) Examples 70 to 79: Tables 11 to 1 below
The components shown in 7 were mixed at the blending ratio (weight ratio) shown in each table, and various detergent compositions were produced by a conventional method. These detergent compositions were excellent in foam amount, foam retention and creaminess of foam, and were also excellent in usability.

Solid soap

[Table 11]

Liquid shampoo

[Table 12]

Face wash cream

[Table 13]

Face-wash form

[Table 14]

Liquid shampoo

[Table 15]

Liquid shampoo

[Table 16]

Liquid shampoo

[Table 17]

Liquid shampoo

[Table 18]

Liquid shampoo

[Table 19]

Body shampoo

[Table 20]

[0085]

EFFECT OF THE INVENTION The cleaning composition of the present invention is excellent in foaming during cleaning, is less irritating to skin and hair, is excellent in retaining foam, is creamy in foam quality, and has a squeaky feeling during rinsing. It is refreshing and has excellent usability. Further, it has become possible to utilize an N-acylalanine salt that has not been sufficiently utilized as a surfactant.

Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location C11D 1/62 1/68 1/90

Claims (5)

[Claims] 1. An N-acyl alanine salt in which (A) an acyl group is a fatty acid residue having 8 to 22 carbon atoms, (B) a higher fatty acid salt having 8 to 22 carbon atoms, and (C) a surfactant ( However, a cleaning composition comprising component (A) and component (B)). 2. The component (C) is selected from the group consisting of carboxylate type (excluding components (A) and (B)), sulfonate type and sulfate ester type anionic surfactants. The cleaning composition according to claim 1, which contains at least one kind. 3. The component (C) is selected from the group consisting of aliphatic amine quaternary ammonium salt type, aromatic quaternary ammonium salt type and mono-long chain acyl basic amino acid lower alkyl ester salt type cationic surfactants. The cleaning composition according to claim 1, which contains at least one selected from the above. 4. The cleaning composition according to claim 1, which contains an alkylglycoside type nonionic surfactant as the component (C). 5. The cleaning composition according to claim 1, wherein the component (C) contains at least one selected from the group consisting of betaine-type and imidazoline-type zwitterionic surfactants.