JP2002255755A - Detergent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a detergent composition having excellent detergency, foaming property and long-term stability and excellent sense of use and conditioning effects on hair, and the like. SOLUTION: This detergent composition is characterized by comprising a fatty acid isopropanolamide containing an acyl group having an average number of carbon atoms of 8-16, 1-50 mass %, based on the whole detergent composition, of one or more kinds selected from the group consisting of anionic surfactant and an amphoteric surfactant, and a polyoxyethylene glycerol fatty acid ester.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a washing property, a foaming property,
The present invention relates to a detergent composition having excellent low-temperature stability, and excellent use feeling and conditioning effect for hair and the like.

[0002]

2. Description of the Related Art Hair shampoos are generally required to have excellent detergency and good foaming. At the same time, in recent years, consumers have become increasingly conscious of hair care, and in addition to the basic function as a cleaning agent, there is a tendency to be required to have a good feeling in use during hair washing and a good finish after hair washing. further,
Many consumers demand not only the usability but also the beauty of the appearance of the shampoo itself, and a hair shampoo having an excellent conditioning effect and a transparent appearance is desired.

Conventionally, attempts have been made to blend cationic polymers, high molecular silicones, and the like as conditioning agents for hair shampoos, but they are still unsatisfactory in use feeling and finish feeling. Attempts have been made to blend fatty acid ethanolamides such as lauric acid monoethanolamide and lauric acid diethanolamide for the purpose of improving foaming, but their foaming properties, foam quality, and low-temperature stability can be sufficiently satisfied. Not something.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a detergent composition which is excellent in detergency, foaming property, low-temperature stability, and has an excellent feeling of use and conditioning effect on hair and the like. Is to provide.

[0005]

Means for Solving the Problems In view of such circumstances, the present inventor has conducted intensive studies and found that the average carbon number is 8 to 16;
A fatty acid isopropanolamide having an acyl group of one or more selected from anionic surfactants and / or amphoteric surfactants in an amount of 1 to 50 relative to the whole composition.
The present inventors have found that a detergent composition containing mass% and a polyoxyethylene glycerin fatty acid ester solves the above-mentioned difficulties, and have completed the present invention.

That is, the first aspect of the present invention relates to one or two kinds selected from the group consisting of fatty acid isopropanolamides having an acyl group having an average carbon number of 8 to 16, anionic surfactants and amphoteric surfactants. The above is a cleaning composition comprising 1 to 50% by mass based on the entire cleaning composition and a polyoxyethylene glycerin fatty acid ester. In addition, the second present invention provides a fatty acid isopropanolamide having an acyl group having an average carbon number of 8 to 16, an anionic surfactant and an amphoteric surfactant in an amount of 1 to 50% by mass based on the entire detergent composition. And a polyoxyethylene glycerin fatty acid ester. Further, the third invention provides
The cleaning composition according to the second aspect of the present invention is that the anionic surfactant is an alkyl sulfate. A fourth invention is a detergent composition comprising a sum of fatty acid isopropanolamide having an acyl group having an average carbon number of 8 to 16, (a) an anionic surfactant comprising an alkyl sulfate, and (b) an amphoteric surfactant. A polyoxyethylene glycerin fatty acid ester in an amount of 1 to 50% by mass with respect to the whole product, and the mass ratio of (b) amphoteric surfactant / (a) alkyl sulfate is 1/1
To 20/1. In a fifth aspect, the polyoxyethylene glycerin fatty acid ester has an ethylene oxide addition mole number of 5 to 3;
The cleaning composition according to the fourth aspect of the present invention, which is 0. A sixth invention is the cleaning composition according to the second or fourth invention, further comprising a cationic polymer. A seventh invention is the cleaning composition according to any one of the first to sixth inventions, wherein the composition is translucent or transparent.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The acyl group of the fatty acid isopropanolamide used in the present invention has an average carbon number of 8 to 16,
Preferably it is an acyl group of 10 to 14, and examples thereof include undecylenic acid isopropanolamide, lauric acid isopropanolamide, myristic acid isopropanolamide, coconut oil fatty acid isopropanolamide, and palm kernel oil fatty acid isopropanolamide.

The amount of these fatty acid isopropanolamides is from 0.01 to 4.8% by mass based on the whole composition.
And more preferably 0.1 to 2% by mass. Within these ranges, better foaming properties, foam quality,
Shows low temperature stability. These fatty acid isopropanolamides can be used alone or in combination of two or more.

The anionic surfactant used in the present invention is not particularly restricted but includes, for example, alkyl sulfate, alkyl ether sulfate, sulfosuccinate, acylglutamate and the like. , Among them, alkyl sulfates are particularly preferred,
Among them, ammonium lauryl sulfate in particular has a detergency,
It is preferable in terms of usability. The amount of these anionic surfactants is preferably 0.5 to 20% by mass, more preferably 1 to 15% by mass, based on the whole composition. Within these ranges, more excellent detergency can be obtained.

The amphoteric surfactant used in the present invention includes, for example, carboxybetaine, amidobetaine, aminocarboxylic acid, imidazoline derivatives and the like.
The amount of these amphoteric surfactants is preferably 1 to 30% by mass, more preferably 5 to 2% by mass, based on the whole composition.
0% by mass.

Further, when an amphoteric surfactant and an alkyl sulfate as an anionic surfactant are used in combination and the mass ratio of (c) / (e) is from 1/1 to 20/1, the detergency and foaming are improved. ,
Excellent foam quality, particularly preferred.

The polyoxyethylene glycerin fatty acid ester used in the present invention can be used without any particular limitation as long as it is used for cosmetics. The number of moles of ethylene oxide added is preferably 5 to 30 in total. The fatty acid-derived portion is composed of an aliphatic group having 8 to 18 carbon atoms, may be linear or branched, may be unsaturated, but is preferably saturated. And the compounding amount is 0.1 to the total amount of the detergent composition.
The content is preferably from 0.1 to 10% by mass, more preferably from 0.1 to 10% by mass.
1 to 5% by mass.

[0013] Commercially available polyoxyethylene glycerin fatty acid esters include, for example, cethiol HE
(Cognis) and Glycerox (Croda).

The cationic polymer used in the present invention is not particularly limited. Examples thereof include a cationized cellulose derivative, a cationized guar gum derivative,
Diallyl quaternary ammonium salt polymer, diallyl quaternary ammonium salt / acrylamide copolymer, quaternized polyvinylpyrrolidone, and the like.

The cationic polymer can be used singly or in combination of two or more. The amount of the cationic polymer is not particularly limited, but is preferably 0.01 to 10% by mass, more preferably 0 to 10% by mass in the whole composition. 0.01 to 5% by mass.

In the cleaning composition of the present invention, in addition to the above-mentioned components, components commonly used in the cleaning composition may be appropriately blended according to the purpose within the range of the present invention. Can be. These components include, for example, higher alcohols, lanolin derivatives, higher fatty acids, humectants such as propylene glycol, glycerin and polyethylene glycol, plant extracts, preservatives, sequestering agents, antioxidants, pH adjusters, UV absorbers, dyes, fragrances, and the like.

The cleaning composition of the present invention can be applied to hair shampoos, body shampoos, facial cleansers, etc., regardless of the object and the dosage form. In addition, translucent or transparent in the present invention indicates that the transmittance is 50% or more.

[0018]

Next, the present invention will be described in detail with reference to examples, but the present invention is not limited thereto. Prior to the examples, test methods and evaluation methods employed in each example will be described.

Detergency test method 5% by 5cm wool muslin cloth and 7% by mass of lanolin
And 0.4 mL of a chloroform solution containing 0.005% by mass of Sudan III were uniformly applied and dried.
Put into a glass cylinder of about 100 mL containing 40 mL of a cleaning solution of mass%, shake in a constant temperature bath at 40 ° C. for 15 minutes, rinse the contaminated cloth well in running water, and dry.
The reflectance is measured using a goniophotometer (GP-200 type,
(Murakami Color Research Laboratory Co., Ltd.), and the cleaning rate was determined by the following equation.

Cleaning rate (%) = 100 × (reflectance after cleaning−reflectance before cleaning) / (reflectivity of original cloth−reflectance before cleaning)

The criteria are as follows. ：: Excellent cleaning performance Cleaning rate 85% or more ○: Good cleaning performance Cleaning rate 70% to less than 85% △: Normal cleaning performance 55% or more and less than 70% ×: Poor cleaning performance Cleaning rate less than 55%

Foaming test method An aqueous solution having an activator concentration of 2% (using CaCO ₃ 50 ppm artificial hard water at 40 ° C.) was prepared and subjected to the Rosmiles test method.

The criteria are as follows. ：: Excellent foaming Bubble height 250 mm or more ○: Good foaming Bubble height 210 mm or more and less than 250 mm △: Normal foaming 170 mm or more and less than 210 mm ×: Poor foaming Bubble height less than 170 mm

Test method for feeling of use during shampoo A panel of 10 persons washed hair with a sample, and evaluated the sensation of good use such as foam quality, finger passage, and presence or absence of squeaking of the hair during shampooing.
The judgment was made in three stages of “normal” and “bad”, and the judgment result was judged by the number of persons who answered “good”.

The criteria are as follows. ◎: Very good The number of test subjects who answered “good” is 8 or more ○: Excellent The number of test subjects who answered “good” is 6 or more and less than 8 △: Poor The number of test subjects who answered “good” was 4 or more and less than 6 ×: Very poor The number of test subjects who answered “good” was less than 4

A method for testing the finished feeling of hair after washing and drying A panel of 10 people wash hair with a sample, and the finished feeling such as moist feeling, flexibility, and suppleness after washing and drying is “good”, “normal”, The judgment was made in three stages of "bad", and the judgment result was judged by the number of persons who answered "good".

The criteria are as follows. ◎: Very good The number of test subjects who answered “good” is 8 or more ○: Excellent The number of test subjects who answered “good” is 6 or more and less than 8 △: Poor The number of test subjects who answered “good” was 4 or more and less than 6 ×: Very poor The number of test subjects who answered “good” was less than 4

Examples 1 to 9 and Comparative Examples 1 to 6 (Shampoos) Shampoos having the composition shown in Table 1 were prepared, and their shampooing properties, foaming properties, low-temperature stability, feeling during use in hair washing, and hair washing and drying were used. The finished feeling was examined later, and the results are shown in Table 1.

[0029]

[Table 1]

As is clear from Table 1, the cleaning composition according to the present invention exhibited excellent performance as compared with the composition of the comparative example.

Example 10 (hair shampoo) (% by mass) • Ammonium lauryl sulfate 5.0 • Triethanolamine lauryl sulfate 5.0 • Betaine lauryldimethylaminoacetate 10.0 • Isopropanolamide laurate 2.0 • Coconut oil fatty acid Polyoxyethylene glycerin (7EO) 2.0 (trade name: Cetiol HE [manufactured by Cognis])-Cationized cellulose derivative 0.2 (trade name: Catinal HC-200 [manufactured by Toho Chemical Industry]) Hydrolyzed conchiolin liquid 1.0 (trade name: Pearl protein extract [Maruzen Pharmaceutical Co., Ltd.]) Hydrolyzed silk liquid 1.0 (trade name Promois Silk-1000 [Seiwa Kasei Co., Ltd.]) Preservatives qs ・ fragrance qs ・ purified water balance

A hair shampoo having the above composition was prepared by a conventional method, and its cleanability, foaming property, low-temperature stability, feeling of use during hair washing, and feeling of finish after washing and drying the hair were all excellent. Good results were obtained.

Example 11 (Body shampoo) (% by mass) • Potassium coconut oil fatty acid soap 10.0 • Sodium lauryl sulfate 5.0 • 2-Lauroyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine 0-coconut oil fatty acid isopropanolamide 2.0-coconut oil fatty acid polyoxyethylene glycerin (7EO) 1.0 (trade name: cetiol HE [manufactured by Cognis Co., Ltd.])-cationized cellulose derivative 0.1 (product Name: Kachinal HC-200 [manufactured by Toho Chemical Industry Co., Ltd.)

A body shampoo having the above composition was prepared by a conventional method, and its cleanability, foaming property, low-temperature stability, feeling of use, and finished feeling were evaluated. All the properties were excellent and good results were obtained. .

Example 12 (Whole body (for both hair and body) shampoo) (% by mass) • Ammonium lauryl sulfate 8.0 • Lauryl hydroxysulfobetaine 10.0 • Amidopropyl betaine laurate 5.0 • POP (1) coconut oil Fatty acid isopropanolamide 1.0 ・ Polyoxyethylene glycerin laurate 1.0 (trade name: Cetiol HE [manufactured by Cognis Corporation]) ・ Cationized cellulose derivative 0.1 (trade name: Katinal HC-200 [Toho Chemical Industry Co., Ltd.] ])-Wheat hydrolyzate 1.0 (Product name: GLUADIN W20 [manufactured by Henkel])-Appropriate amount of preservative-Appropriate amount of fragrance-Purified water balance

[0036] A whole body (for both hair and body) shampoo having the above composition was prepared by a conventional method, and was evaluated for detergency, foaming property, low-temperature stability, feeling of use, and finished feeling. Good results were obtained.

[0037]

As described above, the present invention provides cleaning properties,
It is possible to provide a detergent composition which is excellent in foaming properties and low-temperature stability and has an excellent feeling of use and conditioning effect on hair and the like.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) C11D 3/382 C11D 3/382 F term (Reference) 4C083 AC122 AC242 AC421 AC422 AC542 AC641 AC642 AC662 AC712 AC781 AC782 AD132 AD412 AD452 BB05 BB07 BB34 CC23 CC38 DD01 DD23 DD27 EE01 EE06 EE07 EE28 4H003 AB09 AB27 AB31 AB46 AC12 AC13 AD04 DA02 EB42 EB44 ED02 FA16 FA18 FA21

Claims (7)

[Claims] 1. A cleaning composition comprising: a fatty acid isopropanolamide having an acyl group having an average carbon number of 8 to 16; and one or more selected from the group consisting of an anionic surfactant and an amphoteric surfactant. 1 to 50% by mass
And a polyoxyethylene glycerin fatty acid ester. 2. A detergent composition comprising a fatty acid isopropanolamide having an acyl group having an average carbon number of 8 to 16, an anionic surfactant and an amphoteric surfactant in an amount of from 1 to 1 with respect to the entire detergent composition.
A cleaning composition comprising 50% by mass and a polyoxyethylene glycerin fatty acid ester. 3. The cleaning composition according to claim 2, wherein the anionic surfactant is an alkyl sulfate. 4. A detergent composition comprising a sum of fatty acid isopropanolamide having an acyl group having an average carbon number of 8 to 16, (a) an anionic surfactant comprising an alkyl sulfate and (b) an amphoteric surfactant. 1 to 50% by mass based on the whole
And a polyoxyethylene glycerin fatty acid ester, wherein the mass ratio of (b) amphoteric surfactant / (a) alkyl sulfate is 1/1 to 20/1. 5. The cleaning composition according to claim 4, wherein the number of moles of ethylene oxide added to the polyoxyethylene glycerin fatty acid ester is 5 to 30. 6. The cleaning composition according to claim 2, further comprising a cationic polymer. 7. The cleaning composition according to claim 1, which is translucent or transparent.