JPH08119853A - Cloudy bathing agent - Google Patents

Abstract

PURPOSE: To obtain a liquid or gel-like cloudy bathing agent containing an inorganic pigment, a dispersant, and a xanthane gum in a specific ratio, and preventing the sedimentation of the inorganic pigment. CONSTITUTION: >=0.3% of a xanthane gum is added to the mixture of an inorganic pigment with a dispersant or to the inorganic pigment coated with the clispersant. The inorganic pigment (e.g. titanium dioxide) is added in an amount of 0.1-30%, and the dispersant used for dispersing the inorganic pigment is added in a concentration having a ratio of 1:50 to 50:1 to the inorganic pigment. The dispersant includes a water-soluble polymer (e.g. sodium polyacrylate), and 10-90% of a polyhydric alcohol is preferably further added to prevent the deterioration in the dispersibility of the inorganic pigment. The bathing agent does not produce foam, does not float an oil, has a homogeneous and stable cloudy property, further enhances the psychological effect of the bathing by the cloudiness of the inorganic pigment, and enhances the bath-warmth effect.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is directed to the precipitation of inorganic pigments,
Further, the present invention relates to a cloudy bath agent which does not cause bubbles on the surface of the molten metal and does not cause oil to float, and which exhibits stable and uniform cloudiness.

[0002]

2. Description of the Related Art Conventionally, as cloudy bath agents, those exhibiting cloudiness by dispersing inorganic pigments such as titanium oxide and calcium carbonate in bath water, and oils such as liquid paraffin are emulsified with surfactants. It is known to make an emulsion. As a cloudy bath agent using an inorganic pigment such as titanium oxide or calcium carbonate, a method for obtaining a cloudy bath agent by mixing an inorganic pigment and a surfactant as they are or in water or a hydrophilic organic solvent (special characteristics Kaisho 49-1162
No. 23), and a method of previously coating an inorganic pigment with a hydrophilic polymer (Japanese Patent Publication No. 5-15690). That is, in order to disperse an inorganic pigment such as titanium oxide or calcium carbonate in a bath water, it is necessary to knead the inorganic pigment with a surfactant or coat it with a water-soluble polymer. The thus produced and commercially available cloudy bath agents are powders, granules or solid preparations, and liquid cloudy bath agents using inorganic pigments are not commercially available.
The reason is that it is difficult to suspend the inorganic pigment in a liquid state, and the white turbidity is reduced while the product is in circulation, and a certain white turbidity cannot be obtained, or the inorganic pigment is aggregated. Since it settles, the appearance becomes unsightly, and in addition, it is troublesome that the bath agent must be shaken well before use. Further, in the case of powder, granules or solid preparation, when the bathing agent is dissolved in the bath water, it may be non-uniform, it may take a long time to dissolve it, or there may be an undissolved residue, or in order to make it uniform, Need to mix well. Furthermore,
In order to coat the inorganic pigment with a water-soluble polymer or a surfactant, the number of manufacturing steps increases, the manufacturing cost increases,
The manufacturing process becomes complicated.

Further, when the inorganic pigment is dispersed by using a surfactant, bubbles are generated on the surface of the surface by the surface active agent, and the water stains and stains in the bath water adhere to the bubbles and the surface of the surface becomes dirty. There is a visible defect. With a cloudy bath agent in which oil such as liquid paraffin is emulsified with a surfactant, powder may remain undissolved in the hot water bath,
Although the components do not become non-uniform, there is a drawback that bubbles are generated due to the surfactant used for emulsifying the oil, and the bubbles cause stains and dirt in the bath water to appear dirty on the surface of the bath. The concentration of the surfactant in the hot water bath is usually several tens of ppm.
Since it is below the critical micelle concentration of the surfactant, there is a drawback that the emulsification breaks down with time and the oil content appears on the surface of the molten metal and becomes dirty. In particular, when the water is boiled twice, the separation of oil content is noticeable.

[0004]

DISCLOSURE OF THE INVENTION According to the present invention, bubbles are not generated, oil is not floated, uniform and stable white turbidity is easily obtained, and sedimentation of an inorganic pigment does not easily occur. It is an object of the present invention to provide a liquid or gel-like cloudy bathing agent which can be easily mixed at the time and a uniform preparation can be easily obtained.

[0005]

Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventors have found that a bath composition containing an inorganic pigment, a dispersant, water, and xanthan gum,
It has been found that, by mixing in a specific ratio, bubbles are not generated and oil is not floated, and uniform and stable white turbidity is easily obtained, and the present invention has been completed.
That is, the invention of claim 1 uses an inorganic pigment as a clouding agent together with a dispersant, or uses an inorganic pigment coated with a dispersant, and blends 0.3% or more of xanthan gum to form an inorganic pigment. The present invention relates to a liquid or gel-like cloudy bathing agent characterized by preventing sedimentation.

Examples of the inorganic pigments used in the present invention include titanium oxide, calcium carbonate, magnesium carbonate, zinc oxide (zinc white), talc, calcium silicate, and the like. When
The bath water becomes cloudy. These inorganic pigments are used alone or in combination of two or more. The amount added to this bath salt is
The amount is appropriately adjusted depending on the desired white turbidity, but is 0.1 to 30%, preferably 0.5 to 10% in the bath salt.

Examples of the dispersant used for dispersing the inorganic pigment include anionic surfactants such as sodium alkylsulfate and polyoxyethylene alkylsulfate, polyethylene glycol monostearate, decaglyceryl monolaurate, decaglyceryl monooleate. Ate, decaglyceryl monostearate, hexaglyceryl monolaurate, sorbitan tristearate, sorbitan monooleate, sorbitan trioleate, sorbitan sesquioleate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, poly Oxyethylene sorbitan monooleate, polyoxyethylene sorbitan monoisostearate, polyoxyethylene glyceryl monooleate, polyoxyethylene lauri Ethers, polyethylene polyoxyethylene cetyl ether, polio Kishio ethylene oleyl ether,
Polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, polyoxyethylene glyceryl pyroglutamic acid isostearic acid diester, polyoxyethylene glyceryl monoisostearate, lauric acid diethanolamide, etc. Nonionic surfactants, water-soluble polymers, etc. may be mentioned, and in the present bath agent, the concentration is 1:50 to 50: 1, preferably 1:20 to 20: 1 with respect to the inorganic pigment. To be done.

According to a second aspect of the invention, in the first aspect of the invention, a water-soluble polymer is used as a dispersant for the inorganic pigment.

Examples of the water-soluble polymer include plant polysaccharides such as dextrin, starch, carrageenan, agar and mannan, natural polymers such as animal proteins such as gelatin, casein, albumin and collagen, and semi-synthetic polymers. Examples thereof include cellulosics such as methyl cellulose, ethyl cellulose, carboxymethyl cellulose and hydroxyethyl cellulose, starches such as soluble starch and methyl starch, and alginates such as alginate and propylene glycol alginate. Examples of the water-soluble synthetic polymer include polyvinyl alcohol, carboxyvinyl polymer, sodium polyacrylate, ammonium polyacrylate, polyvinyl methyl ether and the like.

According to a third aspect of the present invention, in the second aspect, polyacrylic acid or a salt thereof or hydrolyzed collagen is used as the water-soluble polymer.

According to a fourth aspect of the invention, in the first aspect of the invention, titanium oxide and / or zinc oxide is used as the inorganic pigment.

A fifth aspect of the present invention is the same as the first or second aspect of the invention, in which a polyhydric alcohol is blended in order to prevent a decrease in the dispersibility of the inorganic pigment.

Examples of the polyhydric alcohol include glycols such as ethylene glycol, propylene glycol and 1,3-butylene glycol, trihydric alcohols such as glycerin, saccharides such as sorbit and mannitol.
The bathing agent is usually liquefied by using an appropriate amount of water, but when the polyhydric alcohol is a liquid, a certain amount of water to be used can be replaced by the polyhydric alcohol and added in some cases. Depending on the type of inorganic pigment or water-soluble polymer, the type of polyhydric alcohol, the solubility of xanthan gum, the content of other components, and the solubility of the water-soluble polymer in the polyhydric alcohol, the blending of water and polyhydric alcohol The amount is determined, but usually 1 for the total amount
A polyhydric alcohol of 0 to 90%, preferably 30 to 70% is blended.

According to a sixth aspect of the invention, in the third aspect of the invention, a polyhydric alcohol is blended in order to prevent deterioration of the dispersibility of the inorganic pigment.

The invention of claim 7 is the same as the invention of claim 5, wherein the polyhydric alcohol is selected from glycerin, 1,3-butylene glycol and propylene glycol.
One or two or more species are used.

The invention of claim 8 is the same as the invention of claim 6, wherein the polyhydric alcohol is selected from glycerin, 1,3-butylene glycol and propylene glycol.
One or two or more species are used.

[0017]

According to the constitution of claim 1, a bathing agent in the form of a liquid or gel in which an inorganic pigment does not settle is provided. That is,
In the present invention, an inorganic pigment having no possibility of oil floating is used as the clouding agent. As a dispersant for inorganic pigments,
Surfactants, water-soluble polymers and the like are used. The sedimentation of the inorganic pigment blended here is prevented by adding xanthan gum. Addition of xanthan gum above 0.3% gives a yield value sufficient to prevent sedimentation of the inorganic pigments, but below that xanthan gum concentration:
The sedimentation of the inorganic pigment cannot be completely prevented. Even when other gums are used, sufficient effect of preventing the sedimentation of the inorganic pigment cannot be obtained. The bathing agent of the present invention has a liquid or gel form, and is excellent in dispersibility in a hot water bath, uniformity, and ease of use, and since the inorganic pigment does not precipitate, You don't have to shake it, and it doesn't look unsightly.

According to the structure of claim 2, in the liquid or gel cloudy bath agent of claim 1, a water-soluble polymer is used as a dispersant, and the water-soluble polymer has almost no foaming power. Since it is not present, the liquid surface hardly foams, and the foam does not look dirty because the water stains and dirt in the bath water adhere to the foam.

According to the third aspect of the present invention, in the liquid or gel-like cloudy bath agent of the second aspect, a highly safe poly-containing compound used as a water-soluble polymer as a food additive or a cosmetic compounding ingredient. Since acrylic acid or a salt thereof or hydrolyzed collagen is used, a safer bathing agent can be provided.

According to the structure of claim 4, in the liquid or gel-like cloudy bath agent according to claim 1, since titanium oxide having the greatest hiding power or zinc oxide having an astringent action is used as the inorganic pigment, It is possible to provide a liquid or gel white turbid bath agent having a high white turbidity or an astringent property.

According to the constitution of claim 5, since the polyhydric alcohol is further added to the liquid or gel-like cloudy bathing agent according to claim 1 or 2, deterioration of the dispersibility of the inorganic pigment is prevented and stable. It is possible to provide a liquid or gel opaque bath agent having inorganic pigment dispersibility.

According to the constitution of claim 6, since the polyhydric alcohol is further added to the liquid or gel-like cloudy bathing agent according to claim 3, deterioration of the dispersibility of the inorganic pigment is prevented and a stable inorganic pigment is obtained. It is possible to provide a liquid or gel opaque bath agent having dispersibility.

According to the constitution of claim 7, in the liquid or gel-like cloudy bath agent according to claim 5, as the polyhydric alcohol, glycerin, 1,3-butylene glycol,
One or more selected from propylene glycol may be used. Since the polyhydric alcohol used is a highly safe component to be blended into cosmetics, etc., it is a highly safe and stable inorganic pigment. It is possible to provide a liquid or gel opaque bath agent having dispersibility.

According to the structure of claim 8, in the liquid or gel cloudy bath agent according to claim 6, as the polyhydric alcohol, one selected from glycerin, 1,3-butylene glycol and propylene glycol. Alternatively, two or more kinds are used, but since the polyhydric alcohol used is a highly safe component to be blended in cosmetics, etc., it is a liquid or gel form having a highly safe and stable dispersibility of inorganic pigments. It is possible to provide a cloudy bath salt of

Other ingredients added to the bath additive include fragrances; lavender oil, jasmine oil, lemon oil,
Natural fragrances such as rose oil, orange oil, pine oil, peppermint oil, cypress oil, hiba oil, cedar oil, iris oil and the like, and synthetic fragrances such as l-menthol, d-camphor, geraniol, citronellol, phenylethyl alcohol and benzyl acetate. Moisturizers or emollients; oils such as nuka oil, rice bran extract, turpentine oil, isopropyl myristate, isopropyl palmitate, squalane, (capryl-capric acid) triglyceride, olive oil, soybean oil, liquid paraffin, jojoba oil, and white petrolatum. , Collagen, Chondroitin sulfate, Hyaluronic acid, Collagen peptide, Collagen amino acid, Silk peptide, Silk amino acid, etc. Medicinal ingredients; Glycyrrhizate, Glycyrrhetinic acid ester, Azulene, Toki extract, Chinpi extract, Kamitsu Extract, perilla extract, Phellodendron bark extract, saffron an antiseptic agent; parabens, benzoic acid, benzoates, Keison C
G, dehydroacetic acid, etc. astringent; alum, chlorohydroxyaluminum, zinc oxide, etc. pigments: red No. 2, yellow No. 4, green No. 3, blue No. 1, red 213, orange No. 205, green No. 201, blue No. 201
No. 106, red 106, yellow 202 (1), green 204
Ordinances such as No. 1 and 2 of the Ministry of Health and Welfare Tar dyes, chlorophyll, riboflavin, annatto, canthaxanthin, crocin, cochineal, benbana, anthraquinone, etc. Acids, citric acid, fumaric acid, tartaric acid, malonic acid, adipic acid, pyrrolidonecarboxylic acid, salicylic acid, succinic acid, malic acid, etc. Inorganic salts; sodium chloride, potassium chloride, ammonium chloride, sodium hydrogencarbonate, magnesium carbonate, calcium carbonate, Potassium carbonate, magnesium bicarbonate, sodium sesquicarbonate, sodium sulfate, magnesium sulfate, aluminum sulfate, iron sulfate, sodium thiosulfate,
Sodium hyposulfite, potassium nitrate, sodium nitrate,
Calcium nitrate, sodium polyphosphate, sodium phosphate, sodium sulfide, borax, calcium oxide, potassium bromide, etc. Alcohols; ethanol, isopropyl alcohol, etc. Others: sulfur, yunohana, casein, skim milk powder, sounding agent, proteolytic enzyme, Amino acids, vitamins, garlic extract, potash soap and the like can be mentioned, and they are appropriately added for the purpose of imparting a specific efficacy and palatability to the bath salt.

In order to further clarify that the liquid or gel-like cloudy bath agent provided by the present invention is excellent, test examples and examples are shown below.

[0027]

[Test Example] A cloudy bath agent having the composition shown in Table 1 was prepared, and the decrease rate of cloudiness and precipitation of the inorganic pigment was examined. The decrease rate of the white turbidity was determined by diluting the test product immediately after production and stored at 40 ° C. for 1 month with purified water 10,000 times to obtain the actual working concentration of the suspension at a wavelength of 4
It was determined from the transmittance (T%) at 30 nm by the following formula. The sedimentation of the pigment was visually determined one week after the test product was manufactured. Table 1 shows the results.

[0028]

[Table 1]

As a result of the test, the liquid or gel-like cloudy bath agent of the present invention can prevent the sedimentation of the inorganic pigment by adding xanthan gum in an amount of 0.3% or more. Then, as in Comparative Examples 1 and 2, sedimentation of the pigment was observed. In addition, as in Comparative Examples 3 and 4, the formulations containing gum arabic and guar gum could not prevent the precipitation of titanium oxide. The present invention cloudy bath agent No. As shown in No. 5, in the formulation containing no polyhydric alcohol, the white turbidity was reduced, but it was also clarified that the addition of the polyhydric alcohol can suppress the white turbidity. Therefore, as disclosed by the present invention, a liquid or gel-like bathing agent containing an inorganic pigment and a dispersant, or an inorganic pigment coated with a dispersant, containing 0.3% or more of xanthan gum is No sedimentation,
It has been found to provide an excellent liquid or gel turbid bath salt.

[0030]

[Examples] The present invention cloudy bath agent No. 4 and No. Practical tests were carried out using 9 and other companies' products. Table 2 shows the results. No. 4 and No. It was confirmed that No. 9 was a bathing agent having a high bathing effect, with no problems such as foam floating and oil floating, and good white turbidity.

[0031]

[Table 2]

[0032]

INDUSTRIAL APPLICABILITY The present invention realizes a liquid or gel-like cloudy bath agent in which an inorganic pigment does not settle, and the cloudiness of the inorganic pigment further enhances the psychological effect of bathing, and a warm bath. It is intended to provide a highly effective cloudy bath agent.

Claims (8)

[Claims] 1. An inorganic pigment is prepared by blending 0.3% or more of xanthan gum with respect to the total amount in a liquid or gel cloudy bathing agent containing an inorganic pigment and a dispersant, or an inorganic pigment coated with a dispersant. A liquid or gel-like cloudy bath agent, which is characterized by preventing the pigment from settling. 2. The liquid or gel opaque bath agent according to claim 1, wherein the dispersant is a water-soluble polymer. 3. The liquid or gel cloudy bath agent according to claim 2, wherein the water-soluble polymer is polyacrylic acid or a salt thereof, or hydrolyzed collagen. 4. The liquid or gel-like cloudy bath agent according to claim 1, wherein the inorganic pigment is titanium oxide and / or zinc oxide. 5. The liquid or gel-like cloudy bath agent according to claim 1 or 2 is further blended with a polyhydric alcohol to prevent a decrease in dispersibility of the inorganic pigment. Cloudy bath salt. 6. A liquid or gel-like cloudy bathing agent comprising a liquid or gel-like cloudy bathing agent according to claim 3 further mixed with a polyhydric alcohol to prevent deterioration of dispersibility of an inorganic pigment. 7. The polyhydric alcohol is glycerin, 1,3-
6. One or more selected from butylene glycol and propylene glycol.
The liquid or gel-like cloudy bath agent described. 8. The polyhydric alcohol is glycerin, 1,3-
7. One or more selected from butylene glycol and propylene glycol.
The liquid or gel-like cloudy bath agent described.