JP6563191B2 - Cleaning composition - Google Patents

Description

  The present invention relates to a cleaning composition.

  In skin cleansing agents, in addition to the detergency that is the original function, the nature of foam generated during cleaning and the feel after towel drying are important points. A moderate moist feeling tends to be preferred by consumers. So far, many studies have been made on foaming quality, foam amount, foam quality such as foam hardness and foam viscosity, and a refreshing and moist feeling after towel drying.

For example, it is a skin cleanser composition filled in a former container, the elasticity of the foam discharged from the former container and the amount of foam after rubbing are good, there is no luster when rinsing, the rinsing time is short, There is a skin cleanser composition in a former container that has a good refreshing feeling after rinsing (see Patent Document 1).
In addition, there is known a technique for improving foam quality and improving moist feeling after towel drying by adding a cationized polymer to a fatty acid soap-based formulation. A water-insoluble complex and metal soap deposited by water dilution adhere to the surface of the skin after rinsing to adjust the feel after rinsing (see Non-Patent Document 1).

JP 2014-208633 A

J. Soc. Cosmet. Chem. Jpn. Vol.46, No.4 2012

However, although studies have been made on the good foam quality and moist feeling after towel drying, the skin after use actually feels dry due to moisture transpiration, and the satisfaction in the market has not been fully obtained. .
An object of the present invention is to provide a skin cleanser that not only has excellent foam quality and a moist feeling after towel drying, but also suppresses moisture evaporation of the skin.

  The present inventors have advanced research to solve the above-mentioned problems, and in addition to fatty acids and / or salts thereof, identified cationized polymers containing dimethyldiallylammonium chloride and highly polymerized polyethylene glycols having a weight average molecular weight of 4 million or more. It has been found that by blending the amount, the foamability and foam viscosity can be increased, and a highly occlusive film can be formed on the washed skin, and the present invention has been completed.

That is, the present invention is as follows.
[1]
(A) fatty acid and / or salt thereof,
(B) a cationized polymer containing dimethyldiallylammonium chloride as a constituent monomer, 0.1 to 5.0% by mass,
(C) Polyethylene glycol having a weight average molecular weight of 4 million or more 0.01 to 0.5% by mass
A cleaning composition comprising:
[2]
The cleaning composition according to [1], wherein the content of the component (A) is 10 to 60% by mass.
[3]
The cleaning composition according to [1] or [2], further comprising (D) 0.001 to 0.5% by mass of a cellulose-based polymer.
[4]
The cleaning composition according to [3] above, wherein the component (D) contains one or more selected from hydroxyethyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methylcellulose.
[5]
The cleaning composition according to any one of [1] to [4], wherein the fatty acid contains one or more selected from higher fatty acids having 12 to 18 carbon atoms.
[6]
The cleaning composition according to any one of [1] to [5], which is used for face washing.

  According to the present invention, it is possible to provide a cleaning agent that is highly foamable when foamed, forms highly viscous foam, and has excellent usability during cleaning. Further, according to the present invention, it is possible to form a highly occlusive complex film containing highly polymerized polyethylene glycol on the skin after washing, and therefore, drying the skin after washing by suppressing moisture transpiration of the skin after washing. It is possible to provide an excellent cleaning agent that does not have any. The present invention is a cleaning agent that achieves both usability during cleaning and suppression of moisture evaporation from the skin after cleaning, and is particularly excellent as a facial cleansing agent.

  Hereinafter, although the cleaning agent of this invention is demonstrated, the technical scope of this invention is not limited only to the following specific embodiments.

The cleaning agent of the present invention comprises (A) a fatty acid and / or a salt thereof, (B) a cationized polymer containing dimethyldiallylammonium chloride as a constituent monomer, 0.1 to 5.0% by mass, and (C) a weight average molecular weight. The cleaning composition is a combination of 0.01 to 0.5% by mass of polyethylene glycol of 4 million or more.
The cleaning composition of the present invention is preferably a skin cleaning composition, and more preferably a facial cleansing composition.

  Examples of the fatty acid in the (A) fatty acid and / or salt thereof according to an embodiment of the present invention include saturated or unsaturated fatty acids having preferably 8 to 20, more preferably 12 to 18 carbon atoms. Moreover, although it may be linear or branched, linear is preferable. Specific examples include, for example, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, behenic acid, isostearic acid, 12-hydroxystearic acid, and the like, beef tallow fatty acid, coconut oil fatty acid, palm kernel An oil fatty acid etc. are mentioned. In particular, one or more selected from lauric acid, myristic acid, palmitic acid, and stearic acid, which are saturated fatty acids that are difficult to oxidize and are easily available, are preferable. Further, the fatty acid and / or salt thereof constituting the component (A) may be a single component, but it is preferable that two or three or more types are mixed. Furthermore, in order to improve foaming and improve the moisturizing feeling after use, it is desirable to use lauric acid as an essential component.

Examples of fatty acid salts include alkali metal salts such as sodium and potassium; alkaline earth metal salts such as calcium and magnesium; ammonium salts; alkanolamine salts such as monoethanolamine, diethanolamine and triethanolamine; arginine and lysine And basic amino acid salts of The fatty acid salt which comprises a component (A) can mix these salts 1 type (s) or 2 or more types. Among these, alkali metal salts and ammonium salts are preferable, and potassium salts are more preferable because the composition is difficult to be colored. Moreover, these fatty acid salts do not necessarily need to be blended in the detergent composition as a fatty acid salt, and the fatty acid and base may be added separately to form a fatty acid salt in the composition.
Moreover, the neutralization degree of a fatty acid is preferably 70% to 100%, and more preferably 70 to 85%. This is because if the degree of neutralization is too high, the antariness becomes too strong, and if the neutralization rate is too low, the detergency is reduced.

  The content of the component (A) is preferably 10% by mass or more, more preferably 20% by mass or more, and further preferably 30% by mass or more in the total composition. And preferably it is 60 mass% or less, More preferably, it is 50 mass% or less, More preferably, it is 45 mass% or less.

  The component (B) in the present specification is a cationized polymer formed using dimethyldiallylammonium chloride (dimethyldiallylammonium chloride, DADMAC) as an essential monomer. The component (B) may be a homopolymer of DADMAC or a copolymer of DADMAC and a monomer other than DADMAC.

  Nonionic monomer is mentioned as a kind of monomer other than DADMAC which comprises a component (B). The nonionic monomer is not particularly limited, and examples thereof include acrylamide, methacrylamide, N-methylacrylamide, N-methylmethacrylamide, N, N-diethylacrylamide, N, N-diethylmethacrylamide, N- Cyclohexylacrylamide, N-cyclohexylmethacrylamide, N, N-di (ethylene glycol) acrylamide, N, N (di (ethylene glycol) methacrylamide, N-polyethylene glycol (10 mol) acrylamide, N-polyethylene glycol (10 mol) Preferred examples include methacrylamide, N-polyethylene glycol ethyl ether (10 mol) acrylamide, N-polyethylene glycol ethyl ether (10 mol) methacrylamide and the like. Acrylamide is preferably used.

  The amount of DADMAC in all the monomers constituting the component (B) is preferably 2 to 100% by mass, more preferably 5 to 100% by mass, based on the total amount of monomers constituting the component. This is because if the content is 2% by mass or less, the properties of the other monomers to be copolymerized are too strong, and the function of DADMAC cannot be sufficiently exhibited. Component (B) preferably has a weight average molecular weight of 5,000 to 7.5 million, more preferably 10,000 to 5,000,000.

  When component (B) is a copolymer of DADMAC and other monomers, the molar ratio of DADMAC and other monomers constituting component (B) ([DADMAC]: [other monomers]) Is not particularly limited, but for example, a range of 10:90 to 90:10 is preferable, a range of 20:80 to 80:20 is more preferable, and a range of 30:70 to 70:30 is more preferable.

When component (B) is a copolymer of DADMAC and other monomers, a DADMAC / acrylamide copolymer is a preferred example. However, it is not limited to this illustration.
The DADMAC polymer is also referred to as polyquaternium-6. The DADMAC / acrylamide copolymer is also referred to as polyquaternium-7.
In addition, amphoteric polymers such as polyquaternium-39 (acrylic acid / DADMAC / acrylamide copolymer) do not fall under component (B).

  The production of component (B) can be prepared by performing polymerization and copolymerization by a known method using DADMAC or using other copolymerizable monomers.

  As the component (B), commercially available products may be used. For example, the DADMAC polymer is “MARCOAT 100” (weight average molecular weight 150,000, manufactured by Nalco), “ME polymer H40W” (weight average molecular weight 250,000, Toho Chemical Co., Ltd. The DADMAC / acrylamide (AM) copolymer is commercially available as “MARCOAT 550” (weight average molecular weight 1,600,000, DADMAC: AM = 30: 70, manufactured by Nalco), “MARCOAT 2200” (weight average molecular weight). 900,000, DADMAC: AM = 30: 70, manufactured by Nalco), “ME polymer 09W (weight average molecular weight 1,600,000, DADMAC: AM = 30: 70, manufactured by Toho Chemical Co., Ltd.)”, etc. Can be preferably used. However, it is not limited to these examples. The “DADMAC: AM” described here means the molar ratio of monomers constituting the polymer.

  It is preferable that the compounding quantity of the said component (B) is 0.1 mass%-5.0 mass% in the cleaning composition of this invention. More preferably, it is 0.1-1.0 mass%, More preferably, it is 0.2-1.0 mass%. If it is less than 0.1% by mass, the foamy creaminess will be insufficient. On the other hand, if it is too much, the foaming speed will be slightly reduced, and there may be a feeling of squeezing during rinsing.

  The component (C) is a highly polymerized polyethylene glycol having a weight average molecular weight of 4 million or more, more preferably a polyethylene glycol having a weight average molecular weight of 7 million or more. Further, the upper limit of the molecular weight is not particularly limited, but for example, those having a molecular weight of 8 million or less can be preferably exemplified. For example, PEG-90M (weight average molecular weight about 4,000,000, “Polyox WSR 301” (manufactured by Dow Chemical Co.)), PEG-115M (weight average molecular weight about 5,000,000, “Polyox WSR COAGULANT” ”(Manufactured by Dow Chemical), PEG-160M (weight average molecular weight of about 7,000,000,“ Polyox WSR 303 ”(manufactured by Dow Chemical)), PEG-180M (weight average molecular weight 8,000, 000, “Polyox WSR 308” (manufactured by Dow Chemical Co., Ltd.)) and the like. The amount of component (C) is preferably 0.01 to 0.5% by mass, more preferably 0.01 to 0.2% by mass, and still more preferably 0 to the cleaning composition of the present invention. 0.02 to 0.2% by mass.

  By blending the components (A), (B) and (C) in combination, drainage from the foam formed when the detergent composition is foamed can be delayed, thereby being highly foamable. A highly viscous cleaning agent can be obtained. Furthermore, a highly occlusive composite film (A) and (B) containing the component (C) can be formed on the skin after face washing, and moisture transpiration of the skin after washing can be suppressed. Such an effect is further enhanced by further combining and blending the component (D) described below.

  Examples of the cellulose polymer used as the component (D) include methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, and the like, and those having a hydroxyalkyl group are preferred. In particular, hydroxyethyl cellulose, hydroxypropyl cellulose, or hydroxypropyl methylcellulose is preferable. Specific examples of hydroxyethyl cellulose include “Fuji Chemi HEC SZ-25” (manufactured by Sumitomo Seika Co., Ltd.), and specific examples of hydroxypropyl cellulose include “cellulose H” (manufactured by Nippon Soda Co., Ltd.). Specific examples of hydroxypropylmethylcellulose include Marporose 60MP4000 (manufactured by Matsumoto Yushi Seiyaku Co., Ltd.), Metrolose 60SH-10000, Metrolose 60SH-4000 (manufactured by Shin-Etsu Chemical Co., Ltd.), and the like.

  Only 1 type may be used for the said component (D), and 2 or more types may be mixed and used for it. Moreover, 0.001-0.5 mass% is preferable in the cleaning composition of this invention, and, as for the compounding quantity of the said component (D), it is more preferable that it is 0.01-0.2 mass%, 0 More preferably, the content is 0.02 to 0.2% by mass.

In the face wash of the present invention, in addition to the above-described components, optional components that are usually used in detergents can be contained within a range that does not impair the effects of the present invention. Examples of such optional ingredients include macadamia nut oil, avocado oil, corn oil, olive oil, rapeseed oil, sesame oil, castor oil, safflower oil, cottonseed oil, jojoba oil, coconut oil, palm oil, liquid lanolin, and hardened coconut oil. Oil, wax, oil such as beeswax, castor oil, beeswax, candelilla wax, carnauba wax, ibotarou, lanolin, reduced lanolin, hard lanolin, jojoba wax; liquid paraffin, squalane, pristane, ozokerite, paraffin, ceresin, petrolatum Hydrocarbons such as microcrystalline wax; higher alcohols such as cetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, octyldodecanol, myristyl alcohol, cetostearyl alcohol; Cetyl sooctanoate, isopropyl myristate, hexyl decyl isostearate, diisopropyl adipate, di-2-ethylhexyl sebacate, cetyl lactate, diisostearyl malate, ethylene glycol di-2-ethylhexanoate, neopentyl glycol dicaprate, Synthetic esters such as glycerin di-2-heptylundecanoate, glycerin tri-2-ethylhexanoate, trimethylolpropane tri-2-ethylhexanoate, trimethylolpropane triisostearate, pentane erythritol tetra-2-ethylhexanoate Oils: Chain polysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane; octamethylcyclotetrasiloxane, decamethylcyclo Cyclic polysiloxanes such as pentasiloxane and dodecamethylcyclohexanesiloxane; Oils such as silicone oils such as amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, and fluorine-modified polysiloxane; Anionic surfactants such as sodium laurate and sodium palmitate, potassium lauryl sulfate, alkylsulfuric triethanolamine ether and the like; Cationic surfactants such as stearyltrimethylammonium chloride, benzalkonium chloride and laurylamine oxide; imidazoline series Amphoteric surfactants (2-cocoyl-2-imidazolinium hydroxide-1-carboxyethyloxy disodium salt, etc.), betaine surfactants (alkyl) Amphoteric surfactants such as tine, amidobetaine, sulfobetaine), acylmethyltaurine; sorbitan fatty acid esters (such as sorbitan monostearate, sorbitan sesquioleate), glycerin fatty acids (such as glyceryl monostearate), propylene Glycol fatty acid esters (such as propylene glycol monostearate), hydrogenated castor oil derivatives, glycerin alkyl ethers, POE sorbitan fatty acid esters (POE sorbitan monooleate, polyoxyethylene sorbitan monostearate, etc.), PO E sorbite fatty acid esters (POE-sorbitol monolaurate, etc.), POOE glycerin fatty acid esters (POOE-glycerin monoisostearate, etc.), POOE fatty acid esters ( Polyethylene glycol monooleate, POE distearate, etc.), POE alkyl ethers (POE2-octyldodecyl ether, etc.), POE alkylphenyl ethers (POE nonylphenyl ether, etc.), pluronic types, POE / POP alkyl ethers (POE / POP2-decyltetradecyl ether, etc.), Tetronics, POE castor oil / hardened castor oil derivatives (POE castor oil, PO) E non-hardening surfactants such as hydrogenated castor oil, sucrose fatty acid ester, alkyl glucoside; polyethylene glycol, glycerin, 1,3-butylene glycol, erythritol, sorbitol, xylitol, maltitol, propylene glycol, dipropylene glycol , Isop Polyhydric alcohols such as N-glycol, 1,2-pentanediol, 2,4-hexanediol, 1,2-hexanediol, 1,2-octanediol; moisturizing composition such as sodium pyrrolidonecarboxylate, lactic acid, sodium lactate Classification: Powders such as mica, talc, kaolin, synthetic mica, calcium carbonate, magnesium carbonate, anhydrous silicic acid (silica), aluminum oxide, barium sulfate, etc., whose surface may be treated; Bengara, yellow iron oxide, black iron oxide, cobalt oxide, ultramarine, bitumen, titanium oxide, zinc oxide inorganic pigments; surface may be treated, mica titanium, fish phosphorus foil, bismuth oxychloride, etc. Pearl agents, which may be raked red 2 0 2, red 2 2 8, red 2 2 6, yellow 4, Color 4 0 4, Yellow 5, Red 5 0 5, Red 2 3 0, Red 2 2 3, Orange 2 0 1, Red 2 1 3, Yellow 2 0 4, Yellow 2 0 3 No., Blue No. 1, Green No. 2 0 1, Purple No. 2 0
Organic dyes such as No. 1 and Red 2 0 4; Organic powders such as polyethylene powder, polymethyl methacrylate, nylon powder, organopolysiloxane elastomers; Paraaminobenzoic acid UV absorbers; Anthranilic acid UV absorbers Salicylic acid UV absorbers; cinnamic acid UV absorbers; benzophenone UV absorbers; sugar UV absorbers; 2- (2'-hydroxy-5'-t-octylphenyl) benzotriazole, 4-methoxy-4 UV absorbers such as'-t-butyldibenzoylmethane; lower alcohols such as ethanol and isopropanol; vitamin A or its derivatives, vitamin B 6 hydrochloride, vitamin B 6 tripalmitate, vitamin B 6 dioctanoate, vitamin B 2 or its derivatives, vitamin B 12 and vitamin B 15 Is a derivative of vitamin B; α-tocopherol, β-tocopherol, γ-tocopherol, vitamin E such as vitamin E acetate, vitamin D, vitamin H, vitamins such as pantothenic acid, panthetin, pyrroloquinoline quinone, etc. An antibacterial agent such as phenoxyethanol can be preferably exemplified.
Among them, since the foaming of the cleaning composition can be further increased, it is preferable that a divalent polyhydric alcohol is included, and further, 1,3-butylene glycol, propylene glycol, dipropylene glycol may be included. More preferably, 1,3-butylene glycol is preferably contained. The blending amount of the divalent polyhydric alcohol is preferably 0.1% by mass to 5.0% by mass in the cleaning composition of the present invention, and further 0.5% by mass to 3.% by mass. The content is preferably 0% by mass, and more preferably 1.0% by mass to 3.0% by mass. If the amount is 5.0% by mass or more, the prescription stability is deteriorated. If the amount is 0.1% by mass or less, the effect cannot be sufficiently exhibited.
The cleaning composition of the present invention can be produced by treating the above components according to a conventional method.

<Examples 1-4 and Comparative Examples 1-5>
According to the prescription shown in Table 1, the components were mixed to prepare face-washing foams (Examples 1 to 4) and Comparative Examples 1 to 5 as the cleaning composition of the present invention. In addition, the unit of the numerical value of prescription is the mass%. Examples 3 and 4 are reference examples outside the scope of the present invention.

<Usage feeling (good foaming / elasticity of foam)>
About the face-washing foam (Examples 1-4 and Comparative Examples 1-5) prepared as mentioned above, sensory evaluation by 10 professional panelists (20s-50s female) was performed. That is, the feeling of use during washing the face (good foaming, elasticity of foam) was evaluated. The evaluation results are shown in Table 1.
In addition, the average value of the following scores was made into the evaluation result.
5: Very good feeling, 4: good, 3: normal, 2: bad, 1: very bad.

<Bubble viscosity>
Cleansing foams (Examples 1-4 and Comparative Examples 1-5) prepared as described above with tap water at 2%
And the mixture was bubbled with a mixer (water temperature: 28 ± 1 ° C., mixer treatment: 30 V, mixer stirring time 30 seconds). The foam was transferred to a bottle, and the foam viscosity 1 minute after foaming was measured with a B-type viscometer. The results are shown in Table 1. The unit of foam viscosity is (mPa · s).

<Moisture transpiration>
Ten professional panelists (women in their 20s to 50s) washed their face using each face-washing foam at room temperature of 25 ° C. and a humidity of 60%, then towel-dried and measured the moisture content of the stratum corneum after 2 minutes. . This value was taken as the initial value. After 10 minutes, the stratum corneum moisture content was measured again. The initial value was 100%, and the stratum corneum moisture retention (%) after 10 minutes was calculated by the following formula. The moisture content was measured using a Corneometer (Courage + Khazaka (Germany)).
Retention rate of stratum corneum moisture (%) = value after 10 minutes / initial value × 100
The obtained results were classified as follows and are shown in Table 1.
A: 90 to 100%
○: 85-90%
Δ: 80-85%
X: 75-80%

The average molecular weight of polyethylene glycol in Table 1 is PEG-160M: average molecular weight of about 7,000,000 (Polyox WSR 303 (manufactured by Dow Chemical Company)), PEG-9M: average molecular weight of about 400,000 (Polyox WSR N-3000 (manufactured by Dow Chemical Company)), PEG-400: average molecular weight of about 20,000 (“PEG # 20000” (manufactured by NOF Corporation)).
Moreover, in the preparation of the face-washing foams of Examples 1 to 4 and Comparative Examples 1 to 5, polyquaternium 7 uses Marquat 550 (manufactured by Nalco), polyquaternium 6 uses Marquat 100 (manufactured by Nalco), and polyquaternium 39 is Marcoat Plus 3330 (Nalco) was used. Although the commercially available form of these polyquaterniums is an aqueous solution, the amount notation of each product is described in the blending amount notation in Table 1 above, but the amount of polyquaternium is described.

  The present invention provides a skin cleanser that not only has excellent foam quality and a moist feeling after towel drying, but also suppresses moisture evaporation of the skin.

Claims (5)

(A) fatty acid and / or salt thereof,
(B) 0.1 to 5.0% by mass of a cationized polymer containing dimethyldiallylammonium chloride as a constituent monomer with respect to the total amount of the detergent composition,
(C) 0.01-0.5% by mass of polyethylene glycol having a weight average molecular weight of 4 million or more with respect to the total amount of the composition and (D) one kind selected from hydroxyethyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methylcellulose A cleaning composition comprising the above cellulose polymer. The cleaning composition of Claim 1 whose content of the said component (A) with respect to the said composition whole quantity is 10-60 mass%. The cleaning composition of Claim 1 or 2 whose content of the said component (D) with respect to the said composition whole quantity is 0.001-0.5 mass%. The cleaning composition according to any one of claims 1 to 3 , wherein the component (A) comprises one or more selected from higher fatty acids having 12 to 18 carbon atoms and / or salts thereof. The cleaning composition according to any one of claims 1 to 4 , which is used for face washing.