JPH0696715B2 - Cleaning composition - Google Patents

Description

TECHNICAL FIELD The present invention relates to a detergent composition.

[Prior Art] Conventionally, as a detergent composition, a detergent composition containing a sodium sulfosuccinate salt type surfactant and another anionic or amphoteric surfactant is known (for example, Japanese Patent Publication No. 56-4).
3762 and JP-A-62-127396).

[Problems to be Solved by the Invention] However, the sulfosuccinic acid type surfactants to be blended in these detergent compositions have properties such as poor foaming property and low temperature stability, and as a result, detergent compositions. There was a problem that the foamability and low temperature stability of the whole were poor.

[Means for Solving Problems] The present inventors arrived at the present invention as a result of extensive studies to develop a detergent composition containing a sulfosuccinic acid type surfactant having good foamability and low temperature stability. .

That is, the present invention has the general formula (In the formula, R is an aliphatic primary alcohol residue having 8 to 22 carbon atoms, n is 0 to 20, M ₁ and M ₂ are hydrogen atoms, alkali metals, magnesium, ammonium or lower alkanolamine cations. ₁ , at least one of M ₂ is magnesium, m is an ionic valency of 1 or 2, and a detergent composition containing a sulfosuccinic acid type surfactant represented by General formula (In the formula, R represents a residue of a synthetic alcohol having 9 to 15 carbon atoms, which is produced from an olefin by an oxo method, n represents the average number of moles of ethylene oxide added, ₁ to 7, M ₁ and M ₂ are hydrogen atoms,
Alkali metal, magnesium, ammonium or lower alkanolamine cations. m is 1 or 2 and represents an ionic valence. ) Is a detergent composition containing a sulfosuccinic acid type surfactant represented by the formula (4) and having a pH of 5-8.

In the general formula (1) representing a sulfosuccinic acid type surfactant, the alcohol constituting the residue of the aliphatic primary alcohol having 8 to 22 carbon atoms for R is a linear or branched saturated or unsaturated alcohol such as octyl alcohol. , Decyl alcohol, dodecyl alcohol, tetradecyl alcohol, hexadecyl alcohol, octadecyl alcohol, eicosyl alcohol, docosyl alcohol,
Examples include oleyl alcohol and mixtures thereof. Of these, alcohols having 10 to 16 carbon atoms are preferable, and todecyl alcohol and tetradecyl alcohol are particularly preferable.

n is preferably 0-7.

Examples of the alkali metal of M ₁ and M ₂ include lithium, sodium and potassium. Examples of the alkanolamine forming the lower alkanolamine cation include mono-, di- or tri-ethanolamine, and-(n, iso) propanolamine.

Of M ₁ and M ₂ , magnesium or magnesium and an alkali metal are preferable, and magnesium, magnesium and sodium, and magnesium and potassium are particularly preferable.

Examples of the sulfosuccinic acid type surfactant represented by the general formula (1) include compounds (a) to (where R, n, M ₁ and M ₂ in the general formula (1) have groups and numerical values as shown in Table 1. C) and surfactants composed of a mixture thereof.

In the general formula (2) showing the sulfosuccinic acid type surfactant, the number of carbon atoms produced from the olefin of R is 9 to 9
The alcohol that constitutes the residue of the 15 synthetic alcohols is a mixture of a branched alcohol and a linear alcohol, the ratio and structure of which vary depending on the reaction conditions, the catalyst used and the type of starting material. , The content of alcohol having an alkyl branch is usually 10 to 70% by weight,
It is preferably 20 to 65% by weight. The carbon number of the alcohol is usually 9 to 15, preferably 12 to 14.

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).

The sulfosuccinic acid type surfactant made from the above-mentioned synthetic alcohol has higher low temperature stability than the sulfosuccinic acid type surfactant made from the natural alcohol derived from higher animal origin and synthetic straight chain alcohol produced by the Ziegler method, and paraffin. The foaming power is superior to that of the sulfosuccinic acid type surfactant made from the secondary alcohol which is synthesized by the air oxidation of the above.

n is usually 1 to 7, preferably 2 to 3. When n is less than 1, low temperature stability is poor, and when it exceeds 7, the foaming power is reduced.

Examples of the alkali metal of M ₁ and M ₂ include lithium, sodium and potassium. Examples of the alkanolamine forming the lower alkanolamine cation include mono-, di- or tri-ethanolamine, and-(n, iso) propanolamine.

Of M ₁ and M ₂ , alkali metal and magnesium are preferable, and sodium, potassium and magnesium are particularly preferable.

Specific examples of the sulfosuccinic acid type surfactant represented by the general formula (2) include compounds in which R, n, M ₁ and M ₂ in the general formula (2) have groups and numerical values as shown in Table 2 ( D)
(F) and surfactants composed of a mixture thereof.

The compound represented by the general formula (1), for example, (a) in Table 1 can be synthesized as follows.

The monoester is obtained by reacting dodecyl alcohol and substantially equimolar maleic anhydride. This is added to a liquid prepared by suspending sodium pyrosulfite and magnesium hydroxide in water for sulfonation to obtain sodium monododecylsulfosuccinate and a magnesium equivalent of 1/2 equivalent.

A sulfosuccinic acid type surfactant represented by the general formula (2),
For example, (d) in Table 2 can be synthesized as follows.

Polyoxyethylene alkyl ether is obtained by reacting 1 mol of synthetic alcohol with 2 mol of ethylene oxide in an autoclave using potassium hydroxide or boron trifluoride ether complex as a catalyst. If necessary, the catalyst is neutralized or removed and then reacted with substantially equimolar amounts of maleic anhydride to obtain a maleic acid monoester. This is reacted with sodium sulfite in an aqueous solution to perform sulfonation to obtain an aqueous solution of compound (d).

The composition of the present invention may optionally contain other anionic surfactant or amphoteric surfactant. Examples of other anionic surfactants include alkyl sulfate ester salts, alkyl ether sulfate ester salts, α-olefin sulfonates, alkyl sulfonates, taurine-based surfactants,
Examples thereof include sarcosinate-based surfactants, isethionate-based surfactants, N-acyl acidic amino acid-based surfactants, monoalkyl phosphate ester salts, higher fatty acid salts and acylated polypeptides.

Examples of the amphoteric surfactant include alkyl betaine-type surfactants, amidopropyl betaine-type surfactants and imidazolinium betaine-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.), oil base material (cetanol, stearic acid, etc.), humectant (sodium pyrrolidone carboxylic acid, polyethylene glycol, etc.), lower alcohols (Ethanol, propylene glycol, hexylene glycol, glycerin, etc.), inorganic salts (sodium chloride, bovine iodine, magnesium chloride, magnesium sulfate, etc.), chelating agents [1-
Hydroxy-ethane-1,1-diphosphonate, nitrilotriacetate, ethylenediaminetetraacetate, citrate,
Oxalates, etc. (as salts, alkali metal salts such as sodium and potassium)], thickeners (polyethylene glycol fatty acid diesters, propylene glycol fatty acid esters, polyoxyethylene methyl glucoside fatty acid esters, etc.), polymer compounds (carboxymethyl cellulose, Ingredients such as hydroxyethyl cellulose, cationized cellulose, etc., fragrances, colorants, preservatives and water 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 50%, preferably 10 to 30% based on the weight of the composition.

The content of the sulfosuccinic acid type surfactant (b) represented by the general formula (2) is usually 3 to 40 based on the weight of the composition.
%, Preferably 5 to 20%.

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

The composition of the present invention has a pH of 5-8, preferably 5.5-
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, lower alcohols are 0 to 10% by weight, other anions and / or amphoteric surfactants are 0 to 5% by weight, and water is 40 to 40% by weight.
Used 90% by weight.

Usually, (b) is 5 to 20% by weight, other anions and /
Or 0 to 10% by weight of amphoteric surfactant, 0 to 10% of inorganic salt
% By weight and 40 to 90% by weight of water can be used.

The composition of the present invention can be used as a skin cleansing agent such as a body shampoo, a facial cleanser, a hand washing detergent, and a hair cleansing agent such as a shampoo. 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 and Comparative Examples 1 to 3 Sodium monododecylsulfosuccinate and 1/2 equivalent of 10% by weight magnesium salt water balance Remaining amount of the above ingredients were mixed and obtained by adjusting the pH to 6.5 with citric acid or triethanolamine. The foaming ability and low temperature stability of the obtained composition of the present invention were examined. For comparison, sulfosuccinic acid type surfactants in which magnesium cations were replaced with sodium, potassium and triethanolamine cations were similarly examined.

The results are shown in Table 3.

The foaming power was 15 ppm hard water (calculated as CaO) and the concentration of the surfactant was adjusted to 0.1% and 0.3% and the pH was adjusted to 6.0.
X-390GN) was stirred for 30 seconds, and the foam height (mm) at that time was used to evaluate the foaming property.

The low temperature stability was evaluated according to the following criteria by observing the appearance with the naked eye after the formulation was left at 0 ° C. for 3 days.

O: Appearance transparent B: Slightly cloudy X: Crystals precipitated and settled or clouded Example 2 The following components were blended to obtain a body shampoo composition.

Sodium monododecyl sulfosuccinate and 1/2 equivalent of 20 wt% magnesium salt magnesium sulfate heptahydrate 10 sodium α-olefin sulfonate 5 hexylene glycol 5 water 60 pH6.5 Example 3 A body shampoo composition was obtained.

Sodium monododecyl sulfosuccinate and 1/2 equivalent of 20% by weight magnesium salt magnesium sulfate heptahydrate 10 lauryldimethylaminoacetic acid betaine 5 polyethylene glycol 5 water 60 pH6.5 The compositions of Examples 2 and 3 are transparent liquids. It had a good foaming power, was free of foam and had a good feel after washing, and was mild to the skin.

Example 4 A composition containing a sulfosuccinic acid type surfactant using a synthetic alcohol was examined for foaming ability and low temperature stability. The evaluation method was the same as in Example 1.

The results are shown in Table 4.

Example 7 A body shampoo composition was obtained by blending the following ingredients.

Compound of Table 2 (d) 11% by weight Polyoxyethylene (2) alkyl ether sulfate sodium salt 5 Coconut oil fatty acid diethanolamide 4 Sodium chloride 5 Water residual amount pH: 6.5, viscosity 1100 cps Example 8 A shampoo composition was obtained.

Compound of Table 2 (d) 16% by weight Coconut oil fatty acid diethanolamide 4 Sodium chloride 4 Polyethylene glycol (6000) distearate 2
Remaining water pH: 6.4, Viscosity 500 cps The compositions of Examples 7 and 8 are transparent liquids, have excellent low temperature stability, have good foaming power, have good defoaming after washing, feel good, and are mild to the skin. Met.

EFFECTS OF THE INVENTION The composition of the present invention has an improved problem that the conventional detergent compositions containing a disodium sulfosuccinate-type surfactant have a poor foaming property, and thus has a high foaming power. so,
It is possible to obtain a cleansing composition which has good defoaming and feeling after washing, has a stable appearance, and is mild to the skin.

Further, in the case of the composition of the present invention containing a sulfosuccinic acid type surfactant derived from a synthetic alcohol produced by the oxo method, the foaming power and the low temperature stability are further improved.

Claims (2)

[Claims] 1. A general formula (In the formula, R is an aliphatic primary alcohol residue having 8 to 22 carbon atoms, n is 0 to 20, M ₁ and M ₂ are hydrogen atoms, alkali metals, magnesium, ammonium or lower alkanolamine cations. ₁ , at least one of M ₂ is magnesium, and m is an ionic value of 1 or 2.) A detergent composition containing a sulfosuccinic acid type surfactant represented by the formula (1) or (2) and having a pH of 5 to 8. 2. General formula (In the formula, R represents a residue of a synthetic alcohol having 9 to 15 carbon atoms, which is produced from an olefin by an oxo method, n represents the average number of moles of ethylene oxide added, ₁ to 7, M ₁ and M ₂ are hydrogen atoms,
Alkali metal, magnesium, ammonium or lower alkanolamine cations. m is 1 or 2 and represents an ionic valence. ) A detergent composition containing a sulfosuccinic acid type surfactant represented by 5) and having a pH of 5-8.