JPH02105895A - Detergent composition - Google Patents

Abstract

PURPOSE:To prepare a detergent compsn. having excellent ceraminess of bubbles and thickening property under neutral to weakly acidic conditions and mild effects to the skin and hair by compounding a specific sulfosuccinate surfactant and a water-sol. natural polymer or semisynthetic polymer obtd. by chemically modifying a natural polymer. CONSTITUTION:Pref. 5-40wt.% sulfosuccinate surfactant (A) of formula I [wherein R1 is an 8-22C prim. aliph. alcohol residue or a group of formula II (wherein R2 is an 8-22C higher fatty acid residue; and R3 is H or CH3); n is 0-20; and M1 and M2 are each H, alkali(earth) metal, ammonium, or lower alkanolamine cation], and pref 0.2-5wt.% at least one compd. which is a water- sol. natural polymer or semisynthetic polymer obtd. by chemically modifying a natural polymer, having a viscosity (in a 2wt.% aq. solution at 20 deg.C) of 2400cP or higher and selected form the group consisting of xanthan gum, guar gum, (hydroxypropyl)methylcellulose and hydroxypropylcellulose, are compounded into a detergent compsn., the pH of which, if necessary, is adjusted to 4-8 with an alkali or acid.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to cleaning compositions.

[Prior Art] Conventionally, compositions containing a sulfosuccinic acid type surfactant and other anionic surfactants or amphoteric surfactants are known as cleaning compositions (Japanese Patent Publication No. 5G-437G2, etc.). .

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

c. Means for Solving Problems] The present inventors have arrived at the present invention as a result of their studies to develop a detergent composition with good foam creaminess and compound thickening properties in neutral to weakly acidic conditions. did.

That is, the present invention is based on the general formula % (1) [where RI is a residue of a higher fatty acid having 8 to 22 carbon atoms and an aliphatic alcohol, R3 is hydrogen or a methyl group], and n is θ~20, Mll MP is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium or a lower alkanolamine cation. A cleaning composition containing a sulfosuccinic acid type surfactant (A) shown in ] and a water-soluble natural polymer or a semi-synthetic polymer (B) which is a chemically modified natural polymer and having a pH of 4 to 8. It is.

In the general formula (1) representing the sulfosuccinic acid type surfactant in the present invention, the name alcohol constituting the residue of the aliphatic alcohol having 8 to 22 carbon atoms in R1 is a linear or branched saturated or unsaturated alcohol. Alcohols such as octyl alcohol, decyl alcohol, dodecyl alcohol, tetradecyl alcohol, hexadecyl alcohol, octadecyl alcohol, eicosyl alcohol,
Examples include tocosyl alcohol and oleyl alcohol.

It is also possible to use synthetic alcohols having a branched structure produced from olefins by the oxo method.

The above synthetic alcohols include "Dopanol" (manufactured by Shell Chemical Co., Ltd.) and "Oxocol" (manufactured by Yasan Kagaku Kogyo Co., Ltd.).
, “Dia Doll” (manufactured by Mitsubishi Chemical Industries, Ltd.), “Real (
LIAL) J (manufactured by Kimiriki Augusta), etc.

These synthetic alcohols are a mixture of branched alcohols and straight-chain alcohols, and their proportions and structures vary depending on the reaction conditions, the catalyst used, and the type of starting materials; The content is usually 10 to 70% by weight. Among these, alcohols containing 0 to 70% by weight of alcohols having 10 to IB carbon atoms and alkyl branches are preferred, and particularly preferred are dodecyl alcohol, tetradecyl alcohol, and alcohols having 12 to 14 carbon atoms and alkyl branches. The alcohol content is 20 to 85% by weight.

Higher fatty acids constituting the residue of higher fatty acids having 8 to 22 carbon atoms in R2 include caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, araxic acid, behenic acid, oleic acid, erucic acid, Examples include linoleic acid, lysirucic acid and coconut oil fatty acids. Among these, lauric acid and myristic acid are preferred.

n is preferably θ~7.

Alkali metals for Ml and MP include lithium, sodium and potassium. Examples of alkaline earth metals include magnesium and calcium. Examples of alkanolamines forming lower alkanolamine cations include mono-, di-, or triethanolamine, and (n-*iso-)propanolamine.

Among the Mll MPs, sodium, magnesium and ammonium are preferred.

Specifically, as the sulfosuccinic acid type surfactant represented by the general formula (1), R I
Examples include surfactants consisting of compounds (a-1) to (a-9) in which n, MIN M2 have groups and numerical values as shown in Table 1, and mixtures of two or more thereof.

Table 1 <Synthetic Y alcohol>"Dopanol23" manufactured by Shell Chemical Co., Ltd. Number of carbons: 12, 13, Straight chain ratio: approximately 80% Synthetic alcohol■>"Real123" manufactured by Kimica Augusta Ltd. Number of carbons: 12
, 13. Straight chain rate: approximately 40% Water-soluble natural product molecules include natural gums derived from leguminous plants such as gum arabic, guarcum, locust bean gum, tamarind gum, and gum tragacanth, xanthan gum produced by microorganisms, and seaweed. Examples include salts or esters of alginic acid. Examples of natural polymers derived from seaweed such as carrageenan and furcelleran, and semi-synthetic polymers include chemically modified cellulose such as methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, and carboxymethylcellulose. Among these, xanthan gum, guar gum, methyl cellulose, whose viscosity at 20° C. of a double plate aqueous solution is preferably 2400 centipoise or more,
Hydroxypropylcellulose and hydroxypropylmethylcellulose.

The composition of the present invention was prepared in October 1988 by the present applicants as necessary. Higher fatty acids represented by general formula (2), ether carboxylic acids or salts thereof represented by general formula (3), and general formula Higher fatty acid ethyl ester sulfonic acid or its salt shown in (4) and the general formula described in the patent application (1) "Cleaning composition" filed by the present applicants on October 15, 1985. Taurate surfactant represented by (2), fatty acid amide ether sulfate salt represented by general formula (3), and general formula (4)
A monoglyceride sulfate ester salt represented by can also be used in combination.

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

Examples of other anionic surfactants include alkyl sulfates, alkyl ether sulfates, α-olefin sulfonates, alkanesulfonates, sarcosinate surfactants, doacyl acidic amino acid surfactants, and monoalkyl phosphates. Examples include ester salts and acylated polypeptides.

Examples of amphoteric surfactants include alkyl betaine type surfactants, amidopropyl betaine type surfactants, imidazolinium betaine type surfactants, sulfobetaine type surfactants, phosphobetaine type surfactants, sodium lauryl aminopropionate, etc. Examples include amino acid type surfactants.

In addition to these, the composition of the present invention may also contain nonionic surfactants (coconut oil fatty acid jetanolamide, stearic acid monoglyceride, lauryl dimethylamine oxide, polyoxyethylene alkyl ether, oxyethylene 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, ethyl sulfate lanolin fatty acid aminopropylethyl dimethyl ammonium, etc.) ), oil base materials (cetanol, etc.), humectants (sodium pyrrolidone carboxylate, polyethylene glycol, etc.), lower alcohols (ethanol, propylene glycol, hexylene glycol,
glycerin, etc.), inorganic salts (salt, chloride, magnesium chloride, magnesium sulfate, etc.), chelating agents [l
-Hydroxy-ethane-1,l-diphosphonate, nitrilotriacetate, ethylenediaminetetraacetate, citrate, oxalate (salts include alkali metal salts such as sodium and potassium)], thickeners (polyethylene Components such as glycol fatty acid diester, propylene glycol fatty acid ester, polyoxyethylene methyl glucoside fatty acid ester, etc.), usual bases such as fragrances, colorants, preservatives, water, and auxiliary agents can be blended.

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

The content of (B) is usually 0.2 to 5% by weight, preferably 0.
．． It is 5 to 2% by weight. If the content of (B) is less than this range, the creaminess of the foam and the thickening ability of the composition will be poor, and if it exceeds this range, the foaming power will be reduced.

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

The pH of the composition of the present invention is a value measured by diluting (A) with water to 1% by weight, and is usually 4 to 8, preferably 5.5 to 7. When necessary, pH adjustment can be carried out using ordinary alkalis (caustic soda, triethanolamine, etc.) or acids (hydrochloric acid, citric acid, etc.).

The composition of the present invention may be in the form of a liquid, paste, gel, etc., and in that case, (A) is usually 10 to 30% by weight and (B)
0.5-2% by weight, inorganic salts 0-10% by weight, other anionic and/or amphoteric surfactants 0-5% by weight.
, 40-90% by weight of water is used.

The composition of the present invention can be suitably used as a skin cleansing agent such as body shampoo, facial cleanser, or hand washing detergent, but it can also be used as a base for hair cleansing agents such as shampoo, household cleaning agents such as dishwashing detergent, etc. can be used. The amount and method of use may be the same as usual.

[Examples] The present invention will be further described below 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 aqueous caustic soda solution to obtain compositions of the present invention. The viscosity and foam creaminess of this composition were examined. The results are shown in Table 2.

Table 2 Numbers are weight percentages. Same below.

Table 2 (continued) MC: Methylcellulose HPC: Hydroxypropylcellulose IPMO:
Evaluation method for hydroxypropyl methylcellulose> I) Viscosity The viscosity was measured at 20°C using a B-type viscometer. measured value(
Unit: cps) was evaluated based on the following criteria.

◎: 1000cps or more Q: 50QCPS or more 10QOcps unspecified △: l
oocps more than 500cps ungrooved X: 100cps
2) Creaminess The creaminess of the foam was evaluated by a panel of 10 men and women who conducted a hand-washing test with warm water on the above composition and evaluated it by touch.

The evaluation criteria were 1 point for Comparative Example I and 5 points for the commercially available bath soap.The evaluation results of 10 people were averaged and the creaminess was evaluated using the following criteria.

○: 4 points or more △: 2 points or more and less than 4 points Glycol 0.5% by weight total
100% by weight Kyo IPMO: 2% by weight with a viscosity of 25,000 to 35,000 CpS at 20° C. The pH was adjusted to 6.5. The viscosity was 520 cps.

Example 3 (Body shampoo composition) Compound of Table 1, a-2 25% by weight HP
End of MC
1% by weight 3.4.4'-)lichlorocarbarinide 0.5% by weight polyethylene glycol 4
00 2wt% sodium citrate
3% by weight ethylene glycol distearate 1
Total weight%: 100% by weight This IPMO: Viscosity at 2θ°C of 2% by weight is 250
00 to 35,000 cps, the pH was adjusted to 6.5. The viscosity was 850 cpS.

The body shampoo compositions of Examples 8 and 3 had good foaming power and creamy foam, and did not feel slimy after washing, giving a light wash.

[Effects of the Invention] The composition of the present invention improves the problems of poor thickening and foam creaminess of conventional detergent compositions containing sulfosuccinic acid type surfactants, so it has a suitable viscosity. It has a creamy foam quality and the foam breaks down after washing.
A cleansing composition that has a good feel and is mild to the skin and hair can be obtained.

Claims (1)

[Claims] 1. General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (1) [In the formula, R_1 is an aliphatic primary alcohol residue having 8 to 22 carbon atoms, or ▲ Numerical formula, chemical formula, table, etc. ▼ (R_2 is a residue of a higher fatty acid with 8 to 22 carbon atoms, R_3
is hydrogen or methyl group), n is 0 to 20, M_1, M_
2 is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium or a lower alkanolamine cation. A cleaning composition containing a sulfosuccinic acid type surfactant (A) shown in ] and a water-soluble natural polymer or a semi-synthetic polymer (B) which is a chemically modified natural polymer and having a pH of 4 to 8. . 2. (B) has a 2% by weight aqueous solution with a viscosity of 2 at 20°C.
At least one compound selected from the group consisting of xanthan gum, poor gum, methyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methyl cellulose with a size of 400 centipoise or more, and 0% in the composition.
．． The composition according to claim 1, containing 2 to 5% by weight.