JPH0721154B2 - 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 (Japanese Patent Publication No. 56-43762) is known. .

[Problems to be Solved by the Invention] However, these surfactant compositions have problems such as inferior creaminess of foam under neutral to weakly acidic conditions and poor thickening property of the compound.

[Means for Solving Problems] The present inventors arrived at the present invention as a result of investigations to develop a detergent composition having good foam creaminess in neutral to weakly acidic conditions and good thickening property of the formulation. did.

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 the following formula and xanthan gum, guar gum, methyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose are selected, and the viscosity at 20 ° C. of a 2% by weight aqueous solution thereof is selected.
A detergent composition containing at least one water-soluble polymer (B) of 2400 centipoise or more and having a pH of 4-8.

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.

The higher fatty acid constituting the residue of the higher fatty acid having 8 to 22 carbon atoms of R ₂ is caprylic acid, capric acid, lauric acid, myristic acid, palmitic 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. Alkaline earth metals include magnesium, calcium and the like. 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.

The water-soluble polymer (B) is at least one water-soluble polymer selected from the group consisting of water-soluble natural polymers xanthan gum and guar gum, and semi-synthetic polymers methyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose. And the viscosity of the 2% by weight aqueous solution at 20 ° C. is usually 2400 centipoise or more.

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,
The ethercarboxylic acid represented by the general formula (3) or a salt thereof, the higher fatty acid ethyl ester sulfonic acid represented by the general formula (4) or a salt thereof, and the applicants of
Taurate type surfactant represented by the general formula (2) described in the patent application (1) "detergent composition" filed on March 15, and fatty acid amide ether represented by the general formula (3) The sulfuric acid ester salt and the monoglyceride sulfuric acid ester salt represented by the general formula (4) 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 sulfonates, sarcosinate-based surfactants, N-acyl acidic amino acid-based surfactants, monoalkyls. Examples thereof include phosphate 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, phosbetaine-type surfactants, sodium laurylaminopropionate, etc. Examples thereof include 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) in amounts that do not impair the effects of the present invention. , Polyoxyethylene fatty acid ester, fatty acid sorbitan ester, polyoxyethylene fatty acid sorbitan ester, polyoxyethylene polypropylene glycol, etc., cationic surfactant (stearyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, lanolin ethyl sulfate fatty acid aminopropyl ethyl dimethyl) Ammonium etc.), oily base materials (cetanol etc.), moisturizers (sodium pyrrolidone carboxylic acid, polyethylene glycol etc.), lower alcohols (ethanol, propylene) Glycol, hexylene glycol, glycerin, etc.), inorganic salts (table salt, bowsho, magnesium chloride, magnesium sulfate, etc.), chelating agents [1-hydroxy-ethane-1,1-diphosphonate, nitrilotriacetic acid salt, ethylenediaminetetraacetic acid salt , 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 esters, etc.), fragrances, Ingredients such as colorants, 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 0.2 to 5% by weight, preferably 0.5 to
It is 2% by weight. When the content of (B) is less than this range, the creaminess of the foam and the thickening property of the composition are poor, and when it exceeds this range, the foaming power decreases.

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 5.
It is 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, gel, etc., in which case usually (A) is 10 to 30% by weight and (B) is 0.
5-2% by weight, inorganic salts 0-10% by weight, other anionic and / or amphoteric surfactants 0-5% by weight, water 40%
Used up to 90% by weight.

The composition of the present invention can be suitably used as a skin cleansing agent for body shampoo, facial cleanser, hand washing detergent, etc., but also as a base for hair washing agent such as shampoo, household washing agent such as dish washing detergent, etc. can do. 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 7 The compositions shown in Table 2 were blended and the pH was adjusted to 5.5 to 7 with dilute hydrochloric acid or an aqueous solution of caustic soda 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) Viscosity The viscosity was measured at 20 ° C. using a B type viscometer. The measured value (unit: cps) was evaluated according to the following criteria.

◎: 1000 cps or more ○: 500 CPS or more and less than 1000 cps △: 100 cps or more and less than 500 cps ×: less than 100 cps 2) Creamy property The foamy creamy property of the above composition was hand-washed by hot water with 10 panelists. Evaluated.

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

○: 4 points or more △: 2 points or more and less than 4 points ×: 2 points or less Example 8 (body shampoo composition) Compound of Table 1, a-2 25% by weight HPMC * 1% by weight Sodium citrate 2% by weight Propylene glycol 0.5 wt% water balance total 100 wt% * HPMC: viscosity at 2 weight% of 20 ° C. was adjusted to pH ones 25000~35000cps to 6.5. The viscosity was 520 cps.

Example 9 (Body shampoo composition) Table 1, a-2 compound 25 wt% HPMC * 1 wt% 3,4,4'-trichlorocarbalinide 0.5 wt% Polyethylene glycol 400 2 wt% Sodium citrate 3 wt% ethylene glycol distearate 1% by weight water balance total 100 wt% * HPMC: viscosity at 2 weight% of 20 ° C. was adjusted to pH ones 25000~35000cps to 6.5. The viscosity was 850 cps.

The body shampoo compositions of Examples 8 and 9 had a good foaming power, had a creamy foam quality, had no feeling of touch after washing hair, and had a clean wash.

[Effect of the Invention] The composition of the present invention has an improved viscosity, and thus has a problem that the conventional detergent compositions containing a sulfosuccinic acid type surfactant have poor thickening properties and foam creaminess. And has a creamy foam quality and has no foam after cleaning,
It is possible to obtain a detergent composition which is pleasant to the touch and is gentle on the skin and hair.

Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location C11D 3/382

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 the following formula and xanthan gum, guar gum, methyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose are selected, and the viscosity at 20 ° C. of a 2% by weight aqueous solution thereof is selected.
A detergent composition containing at least one water-soluble polymer (B) of 2400 centipoise or more and having a pH of 4 to 8. 2. The method according to claim 1, wherein the content of (B) is 0.2 to 5% by weight.
The cleaning composition described.