JP7416633B2 - Cleaning fee - Google Patents

Description

The present invention relates to a cleaning agent.

Various products have been developed as cleansing agents in the past, and those based on higher fatty acid salts have excellent cleaning power and a refreshing feel, so they are often used in facial cleansers, whole body cleansers, etc. It is being However, the foam is coarse and its strong cleaning power removes even the sebum necessary for the skin, causing problems such as the skin becoming dry, tight and squeamish after washing.

In order to improve the dryness and tightness of the skin after washing, there are examples in which diglycerin is used in combination with polyoxypropylene adducts (Patent Document 1) and in combination with plant extracts (Patent Document 2). However, the effects are insufficient and have not yet solved the problem.

Japanese Patent Application Publication No. 6-116135 Japanese Patent Application Publication No. 10-88193

An object of the present invention is to provide a cleansing agent that has a moisturizing feeling and has good foam quality even though it is based on a higher fatty acid salt.

The present invention
A cleaning agent containing the following (A) to (C) (A) higher fatty acid salt (B) polyoxyalkylene fatty acid alkanolamide (C) polyoxyethylene fatty acid methyl glucoside is provided.

The cleaning agent of the present invention exhibits the effects of having a moisturizing feeling and good foam quality.

EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated.

The cleansing agent of the present invention can be used as a hair wash, a face cleansing agent, a body cleansing agent, etc. depending on the site of use.

The higher fatty acid salt used in the present invention has the chemical formula RCOOM
(In the formula, R is an alkyl group or alkenyl group having 8 to 22 carbon atoms, and M is an alkali metal, basic amino acid, or alkanolamine.) It can also be prepared and used by chemical reaction. Here, as the fatty acid constituting the higher fatty acid salt, one or more selected from straight chain saturated fatty acids, unsaturated fatty acids and branched chain fatty acids having 10 to 22 carbon atoms are preferably used.

Straight chain saturated fatty acids include decanoic acid (capric acid), undecanoic acid, dodecanoic acid (lauric acid), tridecanoic acid, tetradecanoic acid (myristic acid), pentadecanoic acid, hexadecanoic acid (palmitic acid), and heptadecanoic acid (margaric acid). , octadecanoic acid (stearic acid), nonadecanoic acid, eicosanoic acid (arachidic acid), heneicosanoic acid, and docosanoic acid (behenic acid) can be used, and dodecanoic acid, tetradecanoic acid, hexadecanoic acid, and octadecanoic acid are particularly preferred. Examples of unsaturated fatty acids include 2-decenoic acid, 4-decenoic acid, 9-decenoic acid (caproleic acid), 9-undecenoic acid (9-undecylenic acid), 10-undecenoic acid (10-undecylenic acid), and 2-dodecene acid. Acid (2-lauroleic acid), 3-dodecenoic acid, 4-dodecenoic acid, 5-dodecenoic acid (5-lauroleic acid), 11-dodecenoic acid (11-lauroleic acid), 2-tridecenoic acid, cis-9-tridecene Acid, 12-tridecenoic acid, 4-tetradecenoic acid (tuznic acid), 5-tetradecenoic acid (5-myristoleic acid), 9-tetradecenoic acid (9-myristoleic acid), 6-pentadecenoic acid, cis-9- Pentadecenoic acid, 14-pentadecenoic acid, 2-hexadenoic acid (2-palmitoleic acid), trans-3-hexadenoic acid, cis-7-hexadenoic acid (7-palmitoleic acid), cis-9-hexadenoic acid (cis-9- palmitoleic acid, zomarinic acid), trans-9-hexadenoic acid (trans-9-palmitoleic acid), 2-heptadenoic acid, cis-7-heptadenoic acid, cis-8-heptadenoic acid, cis-9-heptadenoic acid, trans- 2-octadecenoic acid, cis-2-octadecenoic acid, trans-3-octadecenoic acid, cis-3-octadecenoic acid, trans-4-octadecenoic acid, cis-6-octadecenoic acid (petrocellic acid), trans-6-octadecenoic acid (petroceelaidic acid), cis-7-octadecenoic acid, trans-7-octadecenoic acid, cis-8-octadecenoic acid, trans-8-octadecenoic acid, cis-9-octadecenoic acid (oleic acid), trans-9- Octadecenoic acid (elaidic acid), cis-11-octadenoic acid, trans-11-octadenoic acid (basenic acid), cis-9-nonadecenoic acid, cis-11-eicosenoic acid (gondoic acid), trans-11-eicosenoic acid ( trans-gondoinic acid), cis-13-docosenoic acid (erucic acid), trans-13-docosenoic acid (brassic acid), and other linear monoenoic acids; cis-9, cis-12-octadecadienoic acid (linoleic acid) , trans10-9, trans-12-octadecadienoic acid, cis-9, trans-11, trans-13-octadecatrienoic acid, trans-9, trans-11, trans-13 octadecatrienoic acid, cis-9 , cis-12, cis15-octadecatrienoic acid (linolenic acid), trans-9, trans-12, trans-15-octadecatrienoic acid, trans-10, trans-12, trans-14-octadecatrienoic acid, Di, such as 9,11,13,15-octadecatetraenoic acid, 5,8,11,14-eicosatetraenoic acid (arachidonic acid), 4,8,12,15,19-docosapentaenoic acid, Tri, tetra, and pentaenoic acids can be used, and as branched fatty acids, neodecanoic acid, neotridecanoic acid, isopalmitic acid, isostearic acid, etc. can be used. Further, mixtures thereof such as beef tallow fatty acid, lanolin fatty acid, coconut oil fatty acid, olive oil fatty acid, castor oil fatty acid, palm oil fatty acid, etc. may be used. Among these, it is particularly preferable to use one or more selected from lauric acid, myristic acid, and palmitic acid.

The base that forms a salt with a fatty acid or a mixture thereof in the present invention is not particularly limited, and includes inorganic bases such as sodium hydroxide and potassium hydroxide, basic amino acids such as L-arginine, monoethanolamine, diethanolamine, and triethanolamine. Examples include alkanolamines such as ethanolamine and triisopropanolamine, and one type or a combination of two or more types can be used. Among these, it is particularly preferable to use potassium salts.

The higher fatty acid salt is preferably blended in an amount of 1 to 95% by mass, more preferably 3 to 95% by mass, based on the total amount of the cleaning agent.

The polyoxyalkylene fatty acid alkanolamide used in the present invention is obtained by addition polymerizing alkylene oxide to fatty acid alkanolamide, which is a condensation product of fatty acid and alkanolamine. It is not particularly limited as long as it is normally used in cleaning products.

The alkylene of the polyoxyalkylene fatty acid alkanolamide is not particularly limited, but for example, alkylene having 2 to 4 carbon atoms is preferable, and specific examples thereof include polyoxyethylene, polyoxypropylene, polyoxybutylene, and the like. The average number of moles of polyoxyalkylene added is not particularly limited, but is preferably from 0.1 to 20 moles.

The fatty acid of the polyoxyalkylene fatty acid alkanolamide is not particularly limited, but, for example, those having 8 to 22 carbon atoms are preferable, and these may be one type or a mixture of two or more types, and coconut oil fatty acids and the like may also be used. be able to.

The alkanolamine of the polyoxyalkylene fatty acid alkanolamide is not particularly limited, but preferably has 2 to 4 carbon atoms, and specific examples include monoisopropanolamine, monoethanolamine, diethanolamine, and the like. Preferably, it is one or more selected from polyoxypropylene coconut oil fatty acid monoisopropanolamide and polyoxyethylene coconut oil fatty acid monoethanolamide, and polyoxypropylene coconut oil fatty acid monoisopropanolamide is more preferable. Further, the average number of moles of ethylene oxide added is not particularly limited, and it is possible to use 0.3 to 20 moles per molecule, but preferably 1 to 20 moles, In particular, polyoxypropylene coconut oil fatty acid monoisopropanolamide having an average number of added moles of 2 is preferred. Commercially available products include Amizet 1PC (manufactured by Kawaken Fine Chemicals) and the like.

The cleaning agent of the present invention may contain one type or a combination of two or more types of polyoxyalkylene fatty acid alkanolamides. The polyoxyalkylene fatty acid alkanolamide is preferably blended in an amount of usually 0.05 to 10% by mass, more preferably 0.1 to 10% by mass, based on the total amount of the cleaning agent. If the blending amount exceeds 10% by mass, it may cause stickiness.

The polyoxyethylene fatty acid methyl glucoside used in the present invention has a structure in which a fatty acid is connected to methylglucose through an ester bond, and an oxyethylene group (PEG) is connected through an ether bond. Specific examples include polyoxyethylene dioleate methyl glucoside (120E.O.), polyoxyethylene trioleate methyl glucoside (120E.O.), polyoxyethylene triisostearate methyl glucoside (120E.O.), etc. (The number in parentheses means the average number of moles of ethylene oxide added.) Among these, polyoxyethylene dioleate methyl glucoside (120E.O.) is preferred. Commercially available products include Glucamate DOE-120 (manufactured by Japan Lubrizol), ANTIL (registered trademark) 120 Plus (manufactured by Evonik Nutrition & Care GmbH), and the like.

The cleaning agent of the present invention may contain one or more polyoxyethylene fatty acid methyl glucosides. Polyoxyethylene fatty acid methyl glucoside is usually blended in an amount of 0.05 to 10% by mass, more preferably 0.1 to 10% by mass, based on the total amount of the cleaning agent.

The dosage form may be liquid, paste, or solid.

The cleaning agent is used in solid form as it is or by being filled into a container such as a foam discharge container, an aerosol container, a pump container, a tube container, a bottle container, a jar container, or the like.

In addition to the above-mentioned essential components, the cleaning agent of the present invention may further contain other components within a range that does not impair the effects of the present invention. Such components include anionic surfactants other than those mentioned above, amphoteric surfactants, nonionic surfactants, cationic surfactants, alcohols such as ethanol, isopropanol, butanol, propylene glycol, sorbitol, glycerin, 1,3-butylene. Polyols such as glycols, carboxyvinyl polymers, methyl cellulose, polyethylene glycol, polymer compounds such as polyoxyethylene polyoxypropylene copolymers, squalane, liquid paraffin, silicone oil, lanolin derivatives, fatty acids, higher alcohols, polyether-modified silicones Superfatting agents, pearlizing agents, fragrances, pigments, ultraviolet absorbers, antioxidants, bactericidal agents, anti-inflammatory agents, preservatives, etc. can be added.

The feeling of use of the cleaning agent of the present invention was evaluated as follows.

[Usability evaluation]
A usage test was conducted by three expert panelists, and a sensory evaluation was conducted on the foam quality and moisturizing feel of the cleanser.

[Evaluation method]
Examples of the present invention and comparative examples were foamed by hand and foaming and foam quality were evaluated. Afterwards, the foam was spread over the entire hand, washed off with lukewarm water, and the moisturizing feeling was evaluated. The evaluation results were determined by consensus using the following criteria.

[Evaluation criteria] Foam quality ◎: Very good ○: Good △: Slightly bad ×: Bad

[Evaluation criteria] Moisturizing feeling ◎: Strongly felt ○: Slightly felt △: Not much felt ×: Not felt

As shown in Table 1, in the examples of the present invention, good results were obtained in both foam quality and moisturizing feeling. On the other hand, none of Comparative Examples 1 to 3 achieved good results in both foam quality and moisturizing feeling.

Claims (1)

A cleaning agent containing the following (A) to (C) and based on a higher fatty acid salt .
(A) Chemical formula
RCOOM
(In the formula, R represents an alkyl group or alkenyl group having 8 to 22 carbon atoms, M represents an alkali metal, basic amino acids, or alkanolamines.) Higher fatty acid salt (B) has an average number of added moles of 2. Polyoxypropylene coconut oil fatty acid monoisopropanolamide
(C) Polyoxyethylene fatty acid methyl glucoside