JP4229439B2 - Heat-resistant scrub cleaning fee - Google Patents

Description

  The present invention relates to a heat-resistant scrub cleaning material which contains water-insoluble particles as scrub particles and does not float or settle even at high temperatures.

  The inclusion of water-insoluble scrub particles in the skin cleanser for the purpose of improving detergency is disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 62-135598), Patent Document 2 (Japanese Patent Laid-Open No. 02-080497), and Patent Document. 3 (Japanese Patent Laid-Open No. 04-091018), Patent Document 4 (Japanese Patent Laid-Open No. 04-33294), Patent Document 5 (Japanese Patent Laid-Open No. 07-126152), Patent Document 6 (Japanese Patent Laid-Open No. 10-025239), etc. However, according to the study of the present inventors, when these compositions are kept at 50 ° C., the scrub particles float or settle within one month and lack stability as a product. Met. However, if the product is held in the window, in a freight car, or in a non-air-conditioned warehouse during the summer, it is normal for the temperature to reach 50 ° C or higher, and it is inappropriate that the quality of the product be impaired within one month. It is.

Japanese Patent Laid-Open No. Sho 62-135598 Japanese Patent Laid-Open No. 02-080497 Japanese Patent Laid-Open No. 04-091018 JP 04-33294 A Japanese Patent Laid-Open No. 07-126152 Japanese Patent Laid-Open No. 10-025239

  An object of the present invention is to provide a heat-resistant scrub cleaning material in which scrub particles do not float or settle even if kept at 50 ° C. for one month.

As a result of intensive research in order to solve the above-mentioned problems, the present inventor is stable by containing a surfactant solution in which water-insoluble particles are dispersed, having a low shear viscosity of not less than 3000 mPa · s at 50 ° C. It has been found that a heat-resistant scrub cleaning agent can be obtained, and the present invention has been made based on this finding.
That is, the present invention is as follows.

1. A scrub cleaning material having a low shear viscosity at 50 ° C. of 3000 mPa · s or more and a normal viscosity at 25 ° C. of less than 10,000 mPa · s, having a specific gravity of 0.8 g / cm ³ A heat-resistant scrub cleaning material comprising a surfactant solution in which water-insoluble particles having an average particle size of 10 μm or more and less than 500 μm are dispersed and having a particle size of less than 1.6 g / cm ³ .
2. As a thickener, it contains a carbomer having a viscosity of 10000 mPa · s or more obtained by neutralizing a 0.2 mass% aqueous solution at 25 ° C. so as to be 0.08 mass% sodium hydroxide. 2. The heat-resistant scrub cleaning material according to 1 .
3. The heat-resistant scrub cleaning material according to any one of 1 to 2 , wherein the content of the thickener is 0.01% by mass or more and less than 2.0% by mass.
4). The heat-resistant scrub cleaning material according to any one of 1 to 3 , characterized by containing a viscosity stabilizer.
5). 5. The heat-resistant scrub cleaning material according to 4, wherein the viscosity stabilizer is one or more selected from edetic acid and salts thereof.
6). The heat-resistant scrub cleaning material according to any one of 1 to 5 , wherein betaine is contained.

  Scrub particles did not float or settle even when distributed or stored at high temperature, and a heat-resistant scrub cleaning material having high stability was obtained.

The present invention will be specifically described below.
The surfactant solution having a low shear viscosity of 3000 mPa · s or more at 50 ° C., which is an essential component of the present invention, may be thickened by any method. Specifically, a carbomer (acrylic acid / Synthetic polymers such as alkyl acrylate copolymers, polyvinyl alcohol, polyvinyl pyrrolidone and carboxyalkyl cellulose; natural polymers such as starch, cellulose and gelatin; water-swelling clay minerals such as smectite; thickeners such as silicon thickeners The method using an agent, the method using structural thickening by the emulsification of fats and oils and the combined use of low molecular weight components, etc. can be mentioned, but the method with high long-term stability is a method using a polymer. It is preferred to use molecules, most preferably at 25 ° C, 0.2% aqueous solution to sodium hydroxide. Viscosity when neutralized I is used carbomer is 10000 mPa · s or more. In addition, the low shear viscosity referred to in the present invention refers to a viscosity meter RVDV-11 + programmable by Brookfield No. 18 spindle and 2r. p. m. Viscosity measured in

A more preferable method is a method of obtaining a required low shear viscosity by containing a thickener composed of polyacrylic acid or a derivative thereof and blending an appropriate surfactant.
The surfactant used in the present invention may be selected from nonionic, anionic, cationic, and amphoteric, but nonionic surfactant and / or anionic surfactant having polyoxyalkylene as a hydrophilic group. This is effective when it is used. Among these, it is optimal when a nonionic surfactant having a polyoxyalkylene chain obtained by random polymerization of polyoxyethylene and polyoxypropylene and having a hydrophilic group as a hydrophilic group is used.

Water insoluble particles, which are the other essential components of the present invention, are high density polyethylene particles, low density polyethylene particles, nylon particles, polypropylene particles, polyester carbonate particles, polyethylene succinate particles, polycaprolactone-based resin particles, polyglycolic acid particles. , Polytetramethylene adipate co-terephthalate particles, polybutylene adipate terephthalate particles, polybutylene succinate co-adipate co-terephthalate particles, (succinic acid / adipic acid / butylene glycol / HDI) copolymer particles, polybutylene succinate Synthetic polymer particles such as carbonate particles, polybutylene succinate terephthalate particles, polybutylene succinate particles and polylactic acid particles; walnut shell particles, apricot kernel particles, corn May be mentioned natural organic particles children such as axes particles, it is preferable specific gravity of synthetic polymer particles from the proximity to water, among others (succinic acid / adipic acid / butylene glycol / HDI) copolymer particles, high Most preferred are density polyethylene particles.
The specific gravity of the particles is preferably in the range of 0.8 g / cm ³ or more and less than 1.6 g / cm ³ . If it is 0.8 g / cm ³ or less, the particles are likely to float after 6 months or more continuously at 50 ° C., and if it is greater than 1.6 g / cm ³ , 6 months or more continuously at 50 ° C. As time passes, the particles tend to settle.

The average particle size of the water-insoluble particles is preferably 10 μm or more and less than 500 μm, and more preferably 50 μm or more and less than 300 μm. In the case of less than 10 μm, when 6 months or more have passed at 50 ° C., the particles not only float or settle, but also remain in the skin groove after wiping off during use. On the other hand, when it is larger than 500 μm, when used as a scrub agent, the particles cannot enter the groove of the skin, and a sufficient scraping effect cannot be obtained.

Furthermore, it is more preferable that the heat-resistant scrub cleaning material of the present invention contains a viscosity stabilizer. Examples of the viscosity stabilizer include a method using an organic acid such as citric acid, edetic acid and malic acid or a salt thereof, a method using an ultraviolet absorber, etc. Among them, a method using edetic acid or a salt thereof is effective. It is preferable from the height.

In addition, the amphoteric compound can be added to the heat-resistant scrub cleaning material of the present invention to obtain the effects of the present invention with a small amount of thickener, and in particular, betaine (also known as trimethylglycine or glycine betaine) is added. Things are best.

  The normal viscosity (25 ° C.) of the heat-resistant scrub cleaning material of the present invention is 30 r. p. m. It is desirable that it is less than 10000 mPa · s when measured under the conditions. At a temperature of 25 ° C., that is, at a temperature used for normal use, if the viscosity is too high, it is inconvenient to use, and a large torque is required for production, or a large amount of bubbles are involved in the liquid. Cause inconvenience.

On the other hand, the skin cleanser of the present invention can be used in combination with other components that are usually used in cosmetics and the like as long as the effects of the invention are not impaired. For example, powder components such as calcium carbonate, talc, mica, kaolin, lauroyl lysine, titanium dioxide, zinc dioxide; jojoba oil, macadamia nut oil, avocado oil, evening primrose oil, mink oil, rapeseed oil, castor oil, sunflower oil, corn oil , Cocoa oil, coconut oil, rice bran oil, olive oil, almond oil, sesame oil, safflower oil, soybean oil, coconut oil, persic oil, castor oil, mink oil, cottonseed oil, owl, palm oil, palm kernel oil, egg yolk oil, lanolin , Natural animal and vegetable oils and fats such as squalene, synthetic triglycerides;

  Hydrocarbons such as squalane, liquid paraffin, petrolatum, ceresin, microcrystalline wax, isoparaffin; waxes such as carnauba wax, paraffin wax, whale wax, beeswax, candelilla wax, lanolin; cetanol, stearyl alcohol, lauryl alcohol, cetostearyl Higher alcohols such as alcohol, oleyl alcohol, behenyl alcohol, lanolin alcohol, hydrogenated lanolin alcohol, hexyl decanol, octyldodecanol;

  Higher fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, oleic acid, linolenic acid, linoleic acid, oxystearic acid, undecylenic acid, lanolin fatty acid, hard lanolin fatty acid, soft lanolin fatty acid; Cholesterol such as cholesteryl-octyldodecyl-behenyl and derivatives thereof; esters such as isopropyl myristic acid, isopropyl palmitic acid, isopropyl stearic acid, glycerol 2-ethylhexanoate, butyl stearic acid, ethyl linoleate; diethylene glycol monopropyl ether, polyoxy Polar oils such as ethylene polyoxypropylene pentaerythritol ether and polyoxypropylene butyl ether; Polypolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, methylcyclopolysiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, polyoxyethylene / methylpolysiloxane copolymer, polyoxy Propylene / methylpolysiloxane copolymer, poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer, methylhydrogenpolysiloxane, tetrahydrotetramethylcyclotetrasiloxane, stearoxymethylpolysiloxane, cetoxymethylpolysiloxane, methyl Polysiloxane emulsion, highly polymerized methylpolysiloxane (1) and (2), trimethylsiloxysilicic acid, cross-linked methylpolysiloxane, bridge Type methylphenyl polysiloxane, cross-linked methylphenyl polysiloxane, cross-linked methylphenyl polysiloxane (2), etc., amino-modified silicone, epoxy-modified silicone, carboxyl-modified silicone, carbinol-modified silicone, methacryl-modified silicone, mercapto-modified silicone , Phenol-modified silicone, one-end reactive silicone, heterogeneous functional group-modified silicone, polyether-modified silicone, methylstyryl-modified silicone, alkyl-modified silicone, higher fatty acid ester-modified silicone, hydrophilic specially-modified silicone, higher alkoxy-modified silicone, higher fatty acid Silicones containing various derivatives such as silicone containing, fluorine-modified silicone;

  Paraaminobenzoic acid and its derivatives, homomethyl-7N-acetylaranthranilate, butylmethoxybenzoylmethane, di-paramethoxycinnamic acid-mono-2-ethylhexanoic acid glyceryl, octylcinnamate and other paramethoxycinnamic acid derivatives, amyl salicylate, etc. UV absorbers such as salicylic acid derivatives of 2, benzophenone derivatives such as 2,4-dihydroxybenzophenone, ethyl hexyl dimethoxybenzylidene dioxoimidazoline propionate, lanolin acetate liquid extract, coganebana root extract, trianilino-p-carboethylhexyloxy-triazine;

Ascorbic acid and its derivatives such as arbutin, kojic acid, magnesium ascorbate phosphate, glutathione, licorice extract, clove extract, tea extract, astaxanthin, cow placenta extract, tocopherol and its derivatives, tranexamic acid and its salts, azulene, γ -Whitening ingredients such as hydroxybutyric acid and ubiquinone;
Maltitol, sorbitol, glycerin, propylene glycol, 1,3-butylene glycol, polyhydric alcohols such as polyethylene glycol, glycol, organic acids such as pyrrolidone carboxylic acid soda, sodium lactate and sodium citrate, and salts thereof, hyaluronic acid such as sodium hyaluronate Acids and salts thereof, yeast and yeast extract hydrolysates, yeast culture fluid, fermentation metabolites such as lactic acid bacteria culture fluid, collagen, elastin, keratin, sericin and other water soluble proteins, collagen hydrolysates, casein hydrolysates, Silk hydrolyzate, peptides such as sodium polyaspartate and salts thereof, trehalose, xylobiose, maltose, raffinose, melibiose, sucrose, glucose, saccharides such as vegetable viscous polysaccharides, crystalline cellulose, amorphous cellulose Polysaccharides such as xylan, mannan, galactan, arabinan, arabinoxylan and derivatives thereof, glycosaminoglycans and salts such as water-soluble chitin, chitosan, pectin, chondroitin sulfate and salts thereof, glycine, serine, threonine, alanine, aspartic acid , Tyrosine, valine, leucine, arginine, glutamine, amino acids such as prophosphoric acid, sugar amino acid compounds such as aminocarbonyl reaction products, plant extracts such as aloe and maronier, trimethylglycine, urea, uric acid, ammonia, lecithin, lanolin, squalane Humectants such as nucleic acid-related substances such as squalene, glucosamine, creatinine, DNA, RNA;

Carboxymethylcellulose, hydroxyethylcellulose hydroxypropyltrimethylammonium chloride ether, ethylcellulose, hydroxypropylcellulose, methylhydroxypropylcellulose, starch, soluble starch, carboxymethyl starch, methyl starch, propylene glycol alginate, methylcellulose, gum arabic, xanthan gum, guar gum, locust Bingham, quince seed, carrageenan, galactan, pectin, mannan, dextran, succinoglucan, curdlan, gelatin, casein, albumin, collagen, methoxyethylene maleic anhydride copolymer, amphoteric methacrylate copolymer, polydimethyl chloride Methylenepiperidinium, polyacrylate Copolymer, polyvinyl acetate, polyvinyl alcohol, polyvinyl pyrrolidone, polyvinyl methyl ether, carboxyvinyl polymer, polyacrylic acid, nitrocellulose, polyethylene glycol fatty acid ester, polyethylene glycol distearate, polyoxyethylene fatty acid ester, polyoxyethylene Thickeners such as polyoxyethylene fatty acid ester methyl glycosides such as dioleic acid methyl glucoside;

  Metal ion sequestering agents such as ethylenediaminetetraacetic acid and its salts, hydroxyethylenediaminetriacetic acid and its salts, phosphoric acid, ascorbic acid, succinic acid, gluconic acid, polyphosphates, metaphosphates; ethanol, propylene glycol, 1,3- Organic solvents such as butylene glycol, antioxidants such as butylhydroxytoluene, tocopherol and phytic acid;

  Organic acids such as citric acid, malic acid, tartaric acid, lactic acid, adipic acid, glutamic acid, aspartic acid, maleic acid; vitamin A and its derivatives; vitamin B6 hydrochloride, vitamin B6 tripalmitate, vitamin B6 dioctanoate, vitamin B2 and the like Vitamin B such as derivatives; vitamin C such as ascorbic acid, ascorbic acid sulfate, ascorbic acid phosphate, vitamin E such as α-tocopherol, β-tocopherol, γ-tocopherol, vitamin D, vitamin H, pantothenic acid, etc. Vitamins;

  Nicotinamide, benzyl nicotinate, γ-oryzanol, allantoin, glycyrrhizic acid (salt) glycyrrhetinic acid and its derivatives, hinokitiol, mucidin, bisabolol, eucalyptol, thymolinositol, saponins (Quillaja saponin, azoxaponin, hetimasaponin, etc. ) Blood circulation promoters such as tranexamic acid, pantothel ethyl ether, ethinyl estradiol, cephalandin, placenta extract, assembly extract, cephalanthin, vitamin E and its derivatives, gamma oryzanol; red pepper tincture, red ginger tincture, cantharis tincture, benzyl nicotinate Local stimulants such as esters, nutrients such as various vitamins and amino acids, glycyrrhetinic acid, glycyrrhizic acid derivatives, allantoin, as Down, anti-inflammatory agents, such as aminocaproic acid, hydrocortisone;

Astringents such as zinc oxide, zinc sulfate, allantoin hydroxyaluminum, aluminum chloride, zinc sulfocolate and tannic acid; refreshing agents such as menthol and camphor; antihistamines; oxidation of tocopherols, BHA, BHT, gallic acid, NDGA, ubiquinone, etc. Various drugs such as inhibitors;

  Saccharomyces yeast, filamentous fungi, bacteria, cow placenta, human placenta, human umbilical cord, yeast, cow collagen, milk-derived protein, wheat, soybean, cow blood, pig blood, chicken crown, chamomile, cucumber, rice, shea butter, birch , Tea, tomato, garlic, hamamelis, rose, loofah, hop, peach, apricot, lemon, kiwi, dokudami, capsicum, clara, scallop, kohone, sage, sawtooth grass, mallow, senkyu, assembly, thyme, spruce, spruce, Birch, Horsetail, Loofah, Maronie, Yukinosita, Arnica, Lily, Mugwort, Peonies, Aloe, Aloe Vera, Ogon, Owaku, Mukai, Safflower, Sanshin, Shikon, Tycho, Chimpi, Carrot, Yokuinin, Barley, Gardenia, Sawara, etc.・ Present from microorganisms and parts thereof Solvents, alcohol, polyhydric alcohol, water, natural extracts obtained by extraction or hydrolysis in aqueous alcohol; dyes; perfumes;

Sorbitan monolaurate, sorbitan sesquioleate, sorbitan trioleate, sorbitan monooleate, sorbitan monostearate, sorbitan tristearate, sorbitan monoisostearate, monolauric acid POE (polyoxyethylene) sorbitan, monostearate Polyoxyethylene sorbitan fatty acid esters such as acid POE sorbitan, tristearic acid POE sorbitan, monostearic acid POE sorbitan, monoisostearic acid POE sorbitan, polyethylene glycol monooleate, polyethylene glycol monolauric acid, polyethylene glycol monostearic acid, polyethylene glycol monoolein Acid, polyethylene glycol distearic acid, polyethylene glycol Polyethylene glycol fatty acid esters such as dioldioleic acid and polyethylene glycol diisostearic acid; polyoxyethylene alkyl ethers such as POE lauryl ether, POE cetyl ether, POE stearyl ether, POE oleyl ether, POE behenyl ether; diglyceryl monostearate, monooleic acid Diglyceryl, diglyceryl dioleate, diglyceryl monoisostearate, tetraglyceryl monostearate, tetraglyceryl tristearate, tetraglyceryl pentastearate, hexaglyceryl monolaurate, hexaglyceryl monomyristate, decaglyceryl distearate, diisostearic acid Polyglycerin fatty acid esters such as decaglyceryl; polyglycol dieste , Coconut oil fatty acid monoethanolamide, lauroyl monoethanolamide, myristoyl monoethanolamide, lauroyl diethanolamide, coconut oil fatty acid ethanol amide, lauroyl isopropanol amide, myristoyl isopropanol amide, coconut oil fatty acid isopropanol amide, fatty acid alkanol amide, maltitol hydroxy Sugar derivatives such as fatty acid ethers, alkylated polysaccharides, alkyl glucosides, sugar esters;

Polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, propylene glycol fatty acid ester such as propylene glycol monostearate and propylene glycol monostearate; glycerin fatty acid such as glyceryl monostearate and glyceryl monostearate Esters: Polyoxyethylene glycerin fatty acid esters such as POE glyceryl monostearate, polyoxyethylene sorbite fatty acid esters such as hexastearic acid POE sorbit, tetrastearic acid POE sorbit, tetraoleic acid POE sorbit, monolauric acid POE sorbit, POE octylphenol ether , POE nonylphenol ether, POE chlorophenol ether, polyethylene glycol, etc. Nonionic surfactant: lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, beef tallow alkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, behenyl trimethyl ammonium chloride, dioctyl dimethyl ammonium chloride, distearyl dimethyl ammonium chloride, coconut oil alkyl trimethyl ammonium bromide, Cationic surfactants such as alkylammonium salts such as stearyltrimethylammonium bromide, lanolin-derived quaternary ammonium salts, benzalkonium chloride, stearyldimethylbenzylammonium chloride, laurylamine oxide, coconut oil alkylamine oxide, and stearic acid diethylaminoethylamide ;

Sodium laurate, sodium myristate, palm oil fatty acid sodium, palm kernel oil fatty acid sodium, lauric acid lysine, myristic acid lysine, palm oil fatty acid lysine, palm kernel oil fatty acid lysine, lauric acid arginine, myristic acid arginine, coconut oil fatty acid arginine , Palm kernel oil fatty acid arginine, potassium laurate, potassium myristate, palm oil fatty acid potassium, palm kernel oil fatty acid potassium, lauric acid triethanolamine, myristic acid triethanolamine, palm oil fatty acid triethanolamine, palm kernel oil fatty acid tri Fatty acids and salts thereof such as ethanolamine, ammonium laurate, ammonium myristate, coconut oil fatty acid ammonium, palm kernel oil fatty acid ammonium; sodium lauryl sulfate, lauric Alkyl sulfates and salts thereof such as potassium sulfate, sodium myristyl sulfate, potassium myristyl sulfate and the like, alkyl phosphates and salts thereof such as sodium lauryl phosphate and sodium myristyl phosphate, lauryl sulfate triethanolamine ether, myristyl phosphate triethanol Alkyl sulfate triethanolamine ether such as amine ether, coconut oil fatty acid alkylsulfuric acid triethanolamine ether and salts thereof, alkyl sulfonic acid such as sodium lauryl sulfonate, sodium myristyl sulfonate, sodium coconut oil alkyl sulfonate and salts thereof, lauryl Alkyl phosphoric acid and its salts such as sodium phosphate, sodium myristyl phosphate, sodium coconut oil fatty acid phosphate, sodium dodecene sulfonate Α-olefin sulfonic acids and salts thereof such as sodium tetradecene sulfonate, potassium dodecene sulfonate and potassium detradecene sulfonate, linear and branched alkylbenzene sulfates and salts thereof such as linear dodecylbenzene sulfate and salts, linear Linear and branched alkyl benzene sulfonic acids and salts thereof such as dodecylbenzene sulfonic acid and salts thereof, sodium lauroylmethyl taurine, sodium myristoyl methyl taurine, coconut oil fatty acid acyl methyl taurine sodium, lauroyl methyl taurine potassium, myristoyl methyl taurine potassium, palm Oil Fatty Acid Acylmethyl Taurine Potassium, Lauroyl Methyl Taurine Triethanolamine, Myristoyl Methyl Taurine Triethanolamine, Palm Oil Acylmethyl taurine and its salts such as fatty acid acylmethyl taurine triethanamine, sodium lauroyl glutamate, sodium myristoyl glutamate, coconut oil fatty acid sodium acyl glutamate, potassium lauroyl glutamate, potassium myristoyl glutamate, palm oil fatty acid acyl glutamate potassium, lauroyl glutamate Acyl glutamic acid and its salts such as triethanolamine, myristoyl glutamic acid triethanolamine, coconut oil fatty acid acyl glutamic acid triethanuramine, polyoxyethylene lauryl ether sulfate sodium, polyoxyethylene cetyl ether sodium sulfate, polyoxyethylene oleyl ether sodium sulfate Polyoxyethylene alkyl ether such as Acids and salts thereof, polyoxyethylene alkyl ether phosphates such as sodium polyoxyethylene lauric ether sodium phosphate, sodium polyoxyethylene cetyl ether phosphate, sodium polyoxyethylene oleyl ether phosphate and salts thereof, carboxylated polyoxyethylene tri Anionic surfactants such as ether carboxylic acid and its salts such as decyl ether sodium salt, lauroyl cethioic acid, myristoyl cethioic acid, coconut oil fatty acid acyl isethionate; lauryl dimethylaminoacetic acid betaine, coconut oil fatty acid amidopropyldimethylaminoacetic acid Betaine acetate such as betaine, alkyl carboxymethyl hydroxyethyl imidazolinium betaine, alkyl sodium carboxymethyl carboxyethyl imidazolinium betaine Amphoteric activators such as imidazolinium betaines such as tine, alkylbetaines such as coconut oil alkylbetaine, laurylbetaine, and bis (stearylhydroxyethylimidazoline) chloroacetic acid complexes;

Natural surfactants such as lecithin, lanolin, cholesterol, saponin; polymer surfactants such as sodium alginate, starch derivatives, tragacanth gum; purified water and the like can be added.

  The combined use with the inner powder component is effective by increasing the cleaning power by the physical friction effect and adsorbing dirt on the particle surface. Further, the combined use with the oil component is suitable for improving the detergency because it has the effect of solubilizing the oily dirt due to the solvent effect of the oil component. Among oil components, the combined use with silicones is particularly effective for giving a refreshing feel after use. Furthermore, using a moisturizing agent together can prevent rough skin due to excessive degreasing, and contributes to an improved feeling of use.

The combined use with a sequestering agent and an antioxidant is effective in preventing a change in the product under a long-term or severe use condition and providing a good feeling of use.
EXAMPLES Next, although an Example demonstrates this invention still in detail, this invention is not limited at all by this.

The present invention will be described based on examples.
(1) Measurement of low shear viscosity
[Used equipment]
Viscometer: Brookfield viscometer RVDV-II + Programmable spindle: No. 18: Using a small amount of sample adapter, circulate water at a predetermined temperature through the jacket and keep it warm.
Rotational speed: 2r. p. m.
[Method]
Place about 5 mL of sample in the measurement cell, set the spindle and attach it to the jacket, and hold it until the product temperature reaches a predetermined temperature.
Rotate the viscometer and read the value after the indicated value becomes constant.

(2) Measurement of normal viscosity (25 ° C)
[Used equipment]
Viscometer: Tokimec viscometer BL type rotor: No. 4
Number of rotations: 30 r. p. m.
Measured according to the Cosmetic Materials Standard General Test Method.

(3) Measurement of viscosity (room temperature) of thickener
[Used equipment]
Viscometer: Brookfield viscometer RVDV-II + Programmable spindle: No. 6 (Spindle described separately when measuring a sample with viscosity that cannot be measured with the same spindle)
Rotational speed: 20 r. p. m.
[Method]
Carbomer 0.2% by mass is dissolved in 90% by mass of purified water, and 9.8% by mass of purified water in which sodium hydroxide corresponding to 0.08% by mass is dissolved is added to the whole, followed by stirring for 1 hour.
Adjust the product temperature to about 25 ° C., and use it for the test.

[Example 1 and Comparative Example 1]
(1) Measurement of viscosity (room temperature) of thickener The viscosity was measured for two types of carbomers, and the results shown in Table 1 were obtained.

(2) Measurement of Low Shear Viscosity and Normal Viscosity Scrub cleaning materials were prepared for the carbomers 1 and 2 with the composition shown in Table 2, and the low shear viscosity at 50 ° C. and the normal viscosity (25 ° C.) were measured. Obtained.

The scrub cleaning material prepared in Example 1 was not floated or settled even when stored at 50 ° C. for 1 month, but the scrub cleaning material prepared in Comparative Example 1 was stored at 50 ° C. for 2 days. As a result, sedimentation of the scrub agent was observed.

[Example 2 and Comparative Example 2]
A scrub cleaning material was prepared with the composition shown in Table 4 for carbomer 1, and the low shear viscosity was measured at 50 ° C., and the results shown in Table 5 were obtained.

The scrub cleaning material prepared in Example 2 was stored at 50 ° C. for 1 month, but no scrubbing agent was lifted or settled, but the scrub cleaning material prepared in Comparative Example 2 was stored at 50 ° C. for 11 days. As a result, sedimentation of the scrub agent was observed.

[Example 3 and Comparative Example 3]
A scrub cleaning material was prepared for the carbomer 1 with the composition shown in Table 6, and the low shear viscosity was measured at 50 ° C. The results shown in Table 7 were obtained.

The scrub cleaning material prepared in Example 3 was not floated or settled even when stored at 50 ° C. for 1 month, but the scrub cleaning material prepared in Comparative Example 3 was stored at 50 ° C. for 10 days. As a result, sedimentation of the scrub agent was observed.

[Example 4]
A scrub cleaning material having a composition shown in Table 8 per carbomer 1 was prepared, and a low shear viscosity was measured at 50 ° C. to be 3500 mPa · s.

  When the scrub cleaning materials of Production Examples 1 to 3 were stored at 50 ° C., the scrub cleaning material of Production Example 1 was not changed at all for more than one year. On the other hand, although there was no change in the scrub of Production Example 2 for 8 months, slight sedimentation of particles was observed at 9 months. In addition, in the scrub cleaning material of Production Example 3, slight floating of particles was observed at 7 months.

[Example 5]
A scrub cleaning material was prepared for the carbomer 1 with the composition shown in Table 9, and when the low shear viscosity was measured at 50 ° C., it was 3500 mPa · s.

  When the scrub cleaning materials of Production Examples 4 to 6 were stored at 50 ° C., the scrub cleaning material of Production Example 4 did not change at all for more than one year. On the other hand, the scrub cleaning material of Production Example 5 did not change at all for 6 months, but slight sedimentation of particles was observed at 7 months. Moreover, the scrub cleaning charge of Production Example 6 did not change for one year.

  The present invention is suitable as a heat-resistant scrub cleaning material in which scrub particles do not float or settle even when held at 50 ° C. for 1 month.

Claims (6)

A scrub cleaning agent having a low shear viscosity at 50 ° C. of 3000 mPa · s or more and a normal viscosity at 25 ° C. of less than 10,000 mPa · s, having a specific gravity of 0.8 g / cm ³ or more 1 A heat-resistant scrub cleaning material containing a surfactant solution in which water-insoluble particles having an average particle size of less than 6 g / cm ³ and an average particle size of 10 μm or more and less than 500 μm are dispersed. As a thickener, it contains a carbomer having a viscosity of 10000 mPa · s or more obtained by neutralizing a 0.2 mass% aqueous solution at 25 ° C. so as to be 0.08 mass% sodium hydroxide. The heat-resistant scrub cleaning material according to claim 1 . Content of a thickener is 0.01 mass% or more and less than 2.0 mass%, The heat resistant scrub cleaning material as described in any one of Claims 1-2 characterized by the above-mentioned. The heat-resistant scrub cleaning material according to any one of claims 1 to 3 , further comprising a viscosity stabilizer. The heat-resistant scrub cleaning material according to claim 4, wherein the viscosity stabilizer is one or more selected from edetic acid and salts thereof. The heat-resistant scrub cleaning material according to any one of claims 1 to 5 , further comprising betaine.