JPH0699705B2 - Cleaning composition - Google Patents

Description

TECHNICAL FIELD The present invention relates to a detergent composition.

[Prior Art] Conventionally, as a detergent composition, a composition containing a sulfosuccinic acid type surfactant and another anionic surfactant or an amphoteric surfactant is known (Japanese Patent Publication No. 56-43762, etc.). .

[Problems to be Solved by the Invention] However, these surfactant compositions have problems such as inferior foaming power in neutral to weak acidity and foam creaminess.

[Means for Solving Problems] The present inventors have arrived at the present invention as a result of investigations to develop a detergent composition having good foaming power in neutral to weak acidity and good creaminess of foam.

That is, the present invention has the general formula [Wherein R ₁ is an aliphatic primary alcohol residue having 8 to 22 carbon atoms, or (R ₂ is a residue of a higher fatty acid having 8 to 22 carbon atoms, R ₃ is hydrogen or a methyl group), n is 0 to 20, M ₁ and M ₂ are hydrogen atoms, alkali metals, alkaline earth metals, ammonium or It is a lower alkanolamine cation. ] The sulfosuccinic acid type surfactant (A) represented by A compound (B ₁ ) represented by Compound (B ₂ ) represented by Compound (B ₃ ) (in the formula, R ₄ , R ₆ and R ₉ having 8 carbon atoms)
To 22 of higher fatty acid residue, R _5, R _7, and R ₈ is a hydrogen atom or a methyl group, m is 0, M _3, M ₄ and M ₅ represents a hydrogen atom,
Alkali metal, alkaline earth metal, ammonium or lower alkanolamine cations. ) A detergent composition containing at least one anionic surfactant (B) selected from the group consisting of the compounds represented by the formula (4) and having a pH of 4 to 8.

In the general formula (1) showing the sulfosuccinic acid type surfactant in the present invention, the alcohol constituting the residue of the aliphatic primary alcohol having 8 to 22 carbon atoms of R ₁ is a linear or branched saturated or unsaturated alcohol. Alcohols such as octyl alcohol, decyl alcohol, dodecyl alcohol,
Examples thereof include tetradecyl alcohol, hexadecyl alcohol, octadecyl alcohol, eicosyl alcohol, docosyl alcohol, and oleyl alcohol.
It is also possible to use a synthetic alcohol having a branched structure produced from an olefin by the oxo method.

Examples of the synthetic alcohol include “Dovanol” (manufactured by Shell Chemical Co., Ltd.), “Oxocol” (manufactured by Nissan Chemical Industry Co., Ltd.),
"Dia Doll" (manufactured by Mitsubishi Kasei), "Real (LI
AL) ”(manufactured by Kimika Augusta).

These synthetic alcohols are a mixture of a branched alcohol and a straight-chain alcohol, and the ratio and structure thereof vary depending on the reaction conditions, the catalyst used and the type of the starting material. The content is usually 10 to 70% by weight. Of these, alcohols having 10 to 16 carbon atoms and an alkyl branched alcohol content of 0 to 70% by weight are preferable, and dodecyl alcohol, tetradecyl alcohol, and C 12 to 14 alkyl branched alcohols are particularly preferable. An alcohol having an alcohol content of 20 to 65% by weight.

Examples of the higher fatty acid that constitutes the residue of the higher fatty acid having 8 to 22 carbon atoms of R ₂ include caprylic acid, capric acid, lauric acid, myristic acid, patomitic acid, stearic acid, arachidic acid, behenic acid, oleic acid, erucic acid. , Linoleic acid, ricinolenic acid and coconut oil fatty acid. Of these, lauric acid and myristic acid are preferred.

n is preferably 0-7.

Examples of the alkali metal of M ₁ and M ₂ include lithium, sodium and potassium. Examples of alkaline earth metals include magnesium and calcium. Alkanolamines forming lower alkanolamine cations include mono-, di- or tri-ethanolamine,-
(N, iso) propanolamine etc. are mentioned.

Of M ₁ and M ₂ , sodium, magnesium and ammonium are preferable.

Specific examples of the sulfosuccinic acid-type surfactant represented by the general formula (1) include R ₁ , n, and
Examples of the surfactant include compounds (a-1) to (a-9) in which M ₁ and M ₂ have the groups and numerical values shown in Table 1 and a mixture of two or more thereof.

In the anionic activator (B), in the general formulas (2), (3) and (4), R ₂ is a higher fatty acid constituting a residue of a higher fatty acid having 8 to 22 carbon atoms represented by R ₄ , R ₆ and R _9. Examples of the higher fatty acids constituting the residues of the higher fatty acids having 8 to 22 carbon atoms are listed, and preferred are lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid and coconut oil fatty acid. Is.

m is 0 to 10, preferably 0 to 5.

M ₃ , M ₄ and M ₅ are the same as those of M ₁ and M _{2 in the} general formula (1), preferably an alkali metal and a lower alkanolamine cation, and particularly preferably a sodium and triethanolamine cation. These may be a mixed salt of two or more kinds.

Specific examples of the anionic surfactant (B) represented by the general formulas (2), (3) and (4) include the following (b ₁ -1) to
Compound (B ₁ ) represented by (b ₁ -3), (b ₂ -1) to (b ₂ -2)
The compound (B ₂ ) represented by and the compound (B ₃ ) represented by (b ₃ -1) to (b ₃ -2) and a mixture thereof.

For the composition of the present invention, if necessary, the present applicants may
Higher fatty acid represented by the general formula (2) described in the patent application “liquid detergent composition” filed on March 14,
An ethercarboxylic acid represented by the general formula (3) or a salt thereof and a higher fatty acid ethyl ester sulfonic acid represented by the general formula (4) or a salt thereof can be used in combination.

In addition to the above, other anionic surfactants and amphoteric surfactants may be blended.

Examples of other anionic surfactants include alkyl sulfate ester salts, alkyl ether sulfate ester salts, α-olefin sulfonates, alkane sulfonate sarcosinate-based surfactants, N-acyl acidic amino acid-based surfactants, monoalkyl phosphorus Examples thereof include acid ester salts and acylated polypeptides.

Examples of the amphoteric surfactant include alkyl betaine-type surfactants, amidopropyl betaine-type surfactants, imidazolinium betaine-type surfactants, sulfobetaine-type surfactants, phosphobetaine-type surfactants, sodium laurylaminopropionate, etc. And amino acid type surfactants.

In addition to these, the composition of the present invention contains nonionic surfactants (coconut oil fatty acid diethanolamide, stearic acid monoglyceride, lauryl dimethylamine oxide, polyoxyethylene alkyl ether, polyoxy) in amounts that do not impair the effects of the present invention. Ethylene fatty acid ester, fatty acid sorbitan ester, polyoxyethylene fatty acid sorbitan ester, polyoxyethylene polypropylene glycol, etc.), cationic surfactants (stearyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, lanolin fatty acid aminopropyl ethyl dimethyl ammonium ammonium sulfate, etc.) , Oil base materials (cetanol etc.), moisturizers (sodium pyrrolidone carboxylic acid, polyethylene glycol etc.), lower alcohols (ethanol, propylene) Recall, hexylene glycol,
Dipropylene glycol, glycerin, etc.), inorganic salts (table salt, bowshoes, magnesium chloride, magnesium sulfate, etc.), chelating agents [1-hydroxy-ethane-1,1-
Diphosphonates, nitrilotriacetic acid salts, ethylenediaminetetraacetic acid salts, citrates, oxalates (as salts, alkali metal salts such as sodium and potassium)], thickeners (polyethylene glycol fatty acid diesters, propylene glycol fatty acid esters, Polyoxyethylene methyl glycoside fatty acid ester etc.), fragrance, colorant,
Ingredients such as preservatives, usual bases such as water, and auxiliary agents can be added.

The content of the sulfosuccinic acid type surfactant (A) represented by the general formula (1) in the composition of the present invention is usually 5 to 40%, preferably 10 to 30% based on the weight of the composition.

The content of (B) is usually 0.5 to 30% by weight, preferably 1 to 1
It is 0% by weight. The weight ratio of (A) and (B) is usually 10/1 to 1
/ 5, preferably 5/1 to 1/1. If the compounding amount of (B) is less than this range, the creaminess of the foam is poor, and if it exceeds this range, the foaming power is reduced.

As for other optional components, it is preferable to add the necessary minimum amount if necessary.

The pH of the composition of the present invention is a value measured by diluting it with water so that (A) is 1% by weight, and is usually 4 to 8, preferably
It is 5.5 to 7. The pH can be adjusted with an ordinary alkali (caustic soda, triethanolamine, etc.) or acid (hydrochloric acid, citric acid, etc.) when necessary.

The composition of the present invention may be in the form of liquid, paste, solid, powder, etc., but liquid and paste are easy to use and preferred.

In the case of liquids and pastes, (A) is usually 10 to 30% by weight, (B) is 1 to 10% by weight, inorganic salts are 0 to 10% by weight,
0-5% by weight of other surfactants and 40-90% by weight of water are used.

The composition of the present invention can be preferably used as a hair cleansing agent such as shampoo and a household cleaning agent such as dish washing, but can also be used as a skin cleansing agent such as body shampoo, facial cleanser and hand washing detergent. The amount and method of use may be the same as usual.

[Examples] Hereinafter, the present invention will be further described with reference to Examples, but the present invention is not limited thereto.

Examples 1 to 9 The compositions shown in Table 2 were blended and the pH was adjusted to 5.5 to 7 with dilute hydrochloric acid or a caustic soda aqueous solution to obtain compositions of the present invention.
The viscosity and foam creaminess of this composition were investigated. The results are shown in Table 2.

<Evaluation method> 1) Foaming power Foaming power is 15ppm of hard water (calculated as CaO), and the concentration of the surfactant is 0.3%. Adjust the pH to 6.0 with dilute hydrochloric acid or caustic soda solution. The mixture was stirred with a juicer mixer (MX-390GN manufactured by Toshiba) at 30 ° C for 30 seconds, and the foam height (mm) at that time was evaluated according to the following criteria.

○: 130 mm or more △: 110 mm or more and less than 130 mm ×: less than 110 mm 2) Creamy property The creamy property of the foam was evaluated by touch by hand-washing test of the above composition by warm water with 10 panelists.

The evaluation criteria were as follows: Comparative Example 1 was 1 point, and a commercially available bath soap was 5 points.

○: more than 4 points △: 2 points or more than 4 points ×: 2 points below Example 10 (shampoo composition) Table 1, a-2 of Compound 11 wt% b ₁ -1 of the compound 6 wt% coconut oil fatty acid diethanolamine the de 4 wt% cationic cellulose 1 wt% water balance total 100 wt% pH was adjusted to 6.

Example 11 (shampoo composition) Table 1, compounds of a-8 10 wt% b ₂ -1 of the compound 5 wt% lauryl betaine 4 wt% coconut oil fatty acid diethanolamide 4% by weight of polyethylene glycol 400 2% the water Balance total 100 wt% pH was adjusted to 6.

Example 12 (shampoo composition) Table 1, compound 11 wt% b ₂ -1 of the compound 6 wt% lauryl dimethylamino oxide 4 wt% cationic cellulose 1 wt% water balance Total 100 wt% pH of a-8 Was adjusted to 6.

The shampoo compositions of Examples 10 to 12 had good foaming, had a creamy foam quality, and had less squeaky hair after washing.

Example 13 (kitchen detergent) Table 1, the compounds of Compound 10 wt% b ₂ -1 of a-8 4% by weight coconut oil fatty acid diethanolamide 4% by weight of polyoxyethylene (9) lauryl ether 3 wt% dipropylene glycol 2 wt% sodium chloride 2 wt% water balance total 100 wt% pH was adjusted to 6.

[Effects of the Invention] The composition of the present invention is favorable because the problems of poor foaming power and foam creamy property of conventional detergent compositions containing a sulfosuccinic acid type surfactant are improved. It is possible to obtain a detergent composition which has a foaming power and a creamy foam quality, has good defoaming and feeling after washing, and is gentle on the skin and hair.

Claims (2)

[Claims] 1. A general formula [Wherein R ₁ is an aliphatic primary alcohol residue having 8 to 22 carbon atoms, or (R ₂ is a residue of a higher fatty acid having 8 to 22 carbon atoms, R ₃ is hydrogen or a methyl group), n is 0 to 20, M ₁ and M ₂ are hydrogen atoms, alkali metals, alkaline earth metals, ammonium or It is a lower alkanolamine cation. ] The sulfosuccinic acid type surfactant (A) represented by A compound (B ₁ ) represented by Compound (B ₂ ) represented by A compound (B ₃ ) represented by the formula (wherein R ₄ , R ₆ and R ₉ are higher fatty acid residues having 8 to 22 carbon atoms, R ₅ , R ₇ and R ₈ are hydrogen atoms or methyl groups, and m is 0 to 10, M ₃ , M ₄ and M ₅ are a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium or a lower alkanolamine cation.) At least one anionic surfactant selected from the group consisting of A detergent composition containing B) and having a pH of 4-8. 2. The composition according to claim 1, wherein the weight ratio of (A) to (B) is 10/1 to 1/5.