Water-in-oil type paw pad protecting composition

Abstract

To provide a composition suitable for preventing the damage of paw pads of a dog, a cat or the like having paw pads among pet animals and protecting the paw pads.SOLUTION: Provided is a water-in-oil type paw pad protecting composition that contains the following components (A) to (C): (A) 0.5 to 10 mass% of a hydrocarbon oil having a kinematic viscosity of 150 to 6,000 mm2 / s; (B) volatile oil; and (C) silicone-based surfactant. Since moisture is blended in a prescription, the composition has a moisture supply effect on paw pads, and since an outer phase is an oil agent, the composition has a high moisture evaporation suppressing effect and an excellent moisturizing effect. In addition, since the adhesion to the paw pads is high and the water resistance is high, the composition is less likely to fall off even on wet ground during a walk or grooming, and thus the paw pads are kept flexible in a rearing environment, so that the shock absorbing effect inherent in the paw pads can be maintained, and further, the paw pads are not sticky and are less likely to leave marks on flooring while having an anti-slip effect.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a composition for daily care of the paws of pet animals such as dogs and cats. More specifically, the object is to prevent damage to the paws of pet animals and to keep them healthy. [Background technology]

[0002] In recent years, indoor breeding has become the norm for pets such as dogs and cats. For example, pets are often kept in closed dwellings and left to roam freely, or kept in cages and only let out when necessary, and most of the time, the environment is indoors. However, pets kept in such environments tend to spend their time in soft living environments such as tatami mats, carpets, and rugs, so their paws remain softer and more sensitive to external stimuli than those kept only outdoors.

[0003] The structure of the soles of the feet of dogs and cats consists of the toes with claws and the pads, and most of the parts that touch the ground are the pads. In general, the functions of each part during exercise are that the toes hold the ground firmly to transmit power, and the pads act as cushions to absorb shock during exercise. Pads are mainly composed of elastic fibers, collagen, fat, etc., and have a characteristic soft yet resilient texture. In addition, the sweat glands in the pads moisten the pads by sweating, and they also act as anti-slip. However, although pads have sweat glands, they do not have sebaceous glands, and in addition, the stratum corneum is thin, so moisture evaporates easily and they dry out easily. As a result, they crack and harden, preventing the pads from performing their original functions, and they become slippery on low-friction floors such as hardwood floors. This puts a heavy burden on the lower back and is thought to be the cause of movement disorders. In particular, for dogs, if they exercise outdoors, such as walking, in a dry state, it is thought that the pads are easily damaged and may cause disorders.

[0004] There are a variety of paw protection compositions on the market. For example, oil-in-water creams have the advantage of being highly effective at providing moisture, and the oil coats the surface of the paw pad and suppresses moisture evaporation, resulting in a high moisturizing effect. However, since they are not water-resistant, they tend to disappear when walking on wet surfaces or when grooming, and the protective effect decreases, which means that there are issues with their durability. Furthermore, until the oil is fully absorbed by the paw pad, the floor is slippery. Since moisturizing ingredients are blended into the external phase, there are problems with stickiness and leaving marks such as an oil film on the floor when a high moisturizing effect is achieved.

[0005] Oil-based balms have the advantage of being highly effective at suppressing water evaporation and being water-resistant, so they maintain their paw protection even when walking on wet surfaces. However, they lack the ability to provide moisture, so they have low wetting power for paws. Because they contain a large amount of oil, they are not easily absorbed by the paws and remain on the surface for a long time, making it easy for footprints to be left on the floor. Also, if a lot of wax or high-viscosity oil is added to make the floor less slippery, footprints become even more likely to be left and dirt tends to stick to the floor. Another concern is that dirt gets caught in the gaps between the paws and is difficult to remove when walking.

[0006] Aqueous gels are a preferred composition because they contain no oil and are therefore non-slip once dry, and do not leave footprints. However, they are insufficient in that they have a low moisture evaporation inhibition effect and are almost water-resistant, so they tend to fall off when walking on wet ground or when grooming. Therefore, attempts have been made to combine resinous silicone and gum-based silicone to improve water resistance and adhesion to the skin. (Patent Document 1)

[0007] As the soft paw pads of pet animals kept indoors are easily damaged, a composition to protect them is needed. To achieve this, it is necessary to maintain sufficient moisturizing effect at each stage of the pet's life. In addition, the composition must have high water resistance and strong adhesion so that the pads do not fall off even when the pet walks on wet ground after rain. Furthermore, a composition that has a non-slip effect but is not sticky and does not leave marks on flooring is desired. [Prior art documents] [Patent documents]

[0008] [Patent Document 1] JP 2004-357630 A DISCLOSURE OF THEINVENTION [Problem to be solved by the invention]

[0009] The problem to be solved by the present invention is to provide a composition suitable for preventing damage to and protecting the paws of pet animals such as dogs and cats that have paws. For this purpose, it is important that the composition has effects such as moisturizing, adhesion, water resistance, anti-slip properties, and not easily leaving marks on flooring, etc. [Means for solving the problem]

[0010] In view of the above circumstances, the present inventors have conducted extensive research to obtain a composition for protecting paws having excellent and sustained paw protection effects, and have discovered that (A) a kinetic viscosity of 150 to 6000 mm 2 It has been found that a water-in-oil emulsion composition containing 0.5 to 10 mass % of a hydrocarbon oil (A) of (10) (s), (B) a volatile oil agent, and (C) a silicone surfactant has a hydrating effect on the paw pads due to the incorporation of water in the formulation, and further has a high moisture evaporation inhibitory effect due to the external phase being an oil agent, thereby providing excellent moisturizing effect. In addition, the composition has high adhesion to the paws and is highly water resistant, so it does not easily fall off when the ground is wet during walks or when grooming, which keeps the paws flexible in the petting environment and maintains the inherent shock absorbing effect of the paws.Furthermore, the present invention has been completed, which is a composition that has an anti-slip effect, is not sticky, and does not leave marks on flooring.

[0011] That is, the present invention relates to a composition comprising the following components: [1] (A) Dynamic viscosity is 150 to 6000 mm 2 / s Hydrocarbon oil 0.5 to 10 mass% (B) Volatile oil (C) Silicone-based surfactants The present invention relates to a water-in-oil type paw pad protecting composition comprising: [2] The water-in-oil type paw pad protecting composition according to [1], further comprising (D) a water-soluble moisturizing agent. [3] The water-in-oil type paw pad protecting composition according to [2], wherein the component (C) silicone surfactant has an HLB value of 2 to 5. [4] The water-in-oil type composition for protecting paw pads according to any one of [1] to [3], wherein (A) / (C) is 0.1 to 20. Effect of the Invention

[0012] The water-in-oil type paw protection composition of the present invention has a high moisture evaporation suppression effect and an excellent moisturizing effect, so a water-in-oil type composition that keeps paws soft can be obtained. By keeping paws soft, the original shock absorbing effect of paws can be maintained. Furthermore, while having an anti-slip effect, it is not sticky and does not leave marks on flooring. In addition, it has high adhesion to paws and high water resistance, so it does not come off even on wet ground or when grooming. BEST MODE FOR CARRYING OUT THEINVENTION

[0013] The present invention will be described in detail below. In this specification, percentages are expressed by mass unless otherwise specified. In this specification, when a numerical range is expressed using ~, the range includes both ends of the numerical range.

[0014] The paw pad protecting composition of the present invention is a water-in-oil emulsion in which the outer continuous phase of the emulsion is an oily component, and the inner phase is a dispersed phase in which an aqueous component exists in the form of emulsified droplets.

[0015] The water-in-oil type paw pad protecting composition of the present invention contains (A) a kinetic viscosity of 150 to 6000 mm 2 The kinematic viscosity of the hydrocarbon oil at 100°C is 150 to 6000 mm 2For example, heavy liquid isoparaffin and polybutene with a number average molecular weight of 800 to 4000 are included. The kinematic viscosity of the hydrocarbon oil in this application is The kinematic viscosity of the hydrocarbon oil at 100°C is particularly preferably 200 to 5000 mm 2 / s. A specific example of a commercially available product is Nippon Oil Polybutene-HV100 (dynamic viscosity: 220 mmH) manufactured by ENEOS Corporation. 2 / s 100℃, number average molecular weight: 980), Nippon Oil Polybutene-HV300 (Kinematic viscosity: 590mm 2 / s 100℃, number average molecular weight: 1400), Nippon Oil Polybutene - HV1900 (Kinematic viscosity: 3700mm 2 / s 100℃, number average molecular weight: 2900), Pearleem 18 manufactured by NOF Corporation (kinetic viscosity: 300mm 2 / s 98.9℃, number average molecular weight: 1000), Pearleem 24 (Kinematic viscosity: 800mm 2 / s 98.9℃, number average molecular weight: 1350), Pearleem 46 (Kinematic viscosity: 4700mm 2 / s 98.9℃, number average molecular weight: 2650). 2 Alternatively, one or more of commercially available hydrocarbon oils having the above formula (I) or (II) may be used. The kinematic viscosity used in the present invention is that published by each raw material manufacturer based on the method described in JIS K 2283, and is that described in the catalog, raw material specification, etc., but can also be measured according to the method described in JIS K 2283 if necessary.

[0016] In the water-in-oil type paw pad protecting composition of the present invention, (A) the kinetic viscosity at 100°C is 150 to 6000 mm 2The content of the hydrocarbon oil in the composition is 0.5 to 10.0% by mass, preferably 1.0 to 7.0% by mass, and more preferably 2.0 to 5.0% by mass. This range ensures that the desired anti-slip effect is achieved due to the appropriate tackiness, while preventing footprints from being left on flooring. Furthermore, the adhesion to paw pads allows the composition to maintain good water resistance.

[0017] The volatile oil (B) contained in the water-in-oil type paw pad protecting composition of the present invention can be any oil that is normally used in compositions. The volatile oil (B) of the present invention has a flash point of 35 to 90°C, is liquid at 25°C, and has a solubility in water of 0.1% or less. Examples of the volatile oil include volatile silicone oil and volatile hydrocarbon oil.

[0018] Examples of volatile silicone oils include linear dimethicones such as dimethicone (1cs), dimethicone (1.5cs), and dimethicone (2cs); branched siloxanes such as methyl trimethicone, tris(trimethylsilyl)methylsilane, and tetrakis(trimethylsilyl)silane; alkyl-modified silicones such as caprylyl methicone; and cyclic dimethylsiloxanes such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane. Among these, dimethicone (1.5cs), methyl trimethicone, and decamethylcyclopentasiloxane are preferred, and decamethylcyclopentasiloxane is more preferred.

[0019] Examples of volatile hydrocarbon oils include paraffinic hydrocarbon oils such as n-decane, n-undecane, and n-dodecane; and isoparaffinic hydrocarbon oils such as isodecane, isododecane, and hydrogenated polyisobutene. Among these, hydrocarbon oils having 8 to 16 carbon atoms are preferred, and hydrocarbon oils having 10 to 16 carbon atoms are more preferred. Among these, isoparaffinic hydrocarbon oils are preferred, and isododecane and hydrogenated polyisobutene having 16 carbon atoms are more preferred. Of these volatile oils (B), one or more can be used.

[0020] The content of the volatile oil (B) in the water-in-oil type paw pad protecting composition of the present invention is not particularly limited, but is preferably 5.0 to 40.0% by mass, more preferably 10.0 to 30.0% by mass. Within this range, good emulsion stability is obtained. Furthermore, it is also preferable to obtain the effect of not being sticky and not leaving marks on flooring.

[0021] The silicone surfactant (C) contained in the water-in-oil type paw pad protecting composition of the present invention can be any surfactant used in a normal water-in-oil type emulsion composition, but a silicone surfactant modified with polyether is preferred, specifically, polyoxyalkylene-modified silicone, polyglycerin-modified silicone, polyoxyalkylene-alkyl co-modified silicone, polyglycerin-alkyl co-modified silicone, linear copolymer type polyether-modified silicone, etc. can be mentioned. The silicone main chain can be a linear type, a branched type, or a crosslinked type. Furthermore, the silicone chain branched from the silicone main chain can be a linear type or a further branched type.

[0022] Commercially available silicone surfactants (C) include KF-6015 (PEG-3 dimethicone, HLB 4.5) (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-6017 (PEG-10 dimethicone, HLB 4.5) (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-6028 (PEG-9 polydimethylsiloxyethyl dimethicone, HLB 4.0) (manufactured by Shin-Etsu Chemical Co., Ltd.), and KF-6038 (lauryl PEG-9 polydimethylsiloxyethyl dimethicone, HLB 4.0) (manufactured by Shin-Etsu Chemical Co., Ltd.). Dimethicone / PEG-10 / 15 Crosspolymer, HLB3.0 (Shin-Etsu Chemical Co., Ltd.), KF-6100 (Polyglyceryl-3 Disiloxane Dimethicone (Shin-Etsu Chemical Co., Ltd.), KF-6105 (Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone (Shin-Etsu Chemical Co., Ltd.), KSG-210 (Dimethicone / PEG-10 / 15 Crosspolymer, Dimethicone Mixture) (Shin-Etsu Chemical Co., Ltd.), ABIL EM90 (cetyl PEG / PPG-10 / 1 dimethicone, HLB approx. 5) (Goldschmidt), DOWSIL BY11-030 (PEG / PPG-19 / 19 dimethicone-cyclopentasiloxane mixture, HLB 3.0) (Dow Toray), DOWSIL BY25-337 (PEG / PPG-19 / 19 dimethicone-light liquid isoparaffin mixture, HLB 3.0) (Dow Toray), DOWSIL SH 3775 M Fluid (PEG-12 dimethicone, HLB 5.0) (Dow Toray), DOWSIL FZ-2233 (polysilicone 13) (Dow Toray), DOWSIL ES-5300 Formulation Aid (lauryl PEG-10 tris(trimethylsiloxy)silylethyl dimethicone, HLB 3.0) (manufactured by Dow Toray Industries, Inc.), DOWSIL ES-5600 Silicone Glycerol Emulsifier (cetyl diglyceryl tris(trimethylsiloxy)silylethyl dimethicone, HLB 2.0) (manufactured by Dow Toray Industries, Inc.), or other polyether-modified silicones are preferably used.

[0023] The HLB value is a value that indicates the hydrophilic-hydrophobic balance usually used in the field of surfactants, and a commonly used calculation formula, such as the Kawakami formula, can be used. In the present invention, the following Kawakami formula is adopted.

[0024]

number

[0025] Here, Mw is the molecular weight of the hydrophilic group, and Mo is the molecular weight of the hydrophobic group. In addition, when the HLB value is listed in the catalogue of each manufacturer, the HLB value is used with priority.

[0026] As the silicone surfactant (C) in the water-in-oil type paw protection composition of the present invention, from the viewpoints of providing good emulsifying properties, improving long-term storage stability, maintaining excellent moisture-retaining properties, and providing a good usability without stickiness or discomfort, polyoxyalkylene / alkyl-co-modified silicones having alkyl groups on the side chains and polyglycerin / alkyl-co-modified silicones, are preferred. One or more of these silicone surfactants (C) can be used.

[0027] The content of the (C) silicone surfactant is not particularly limited, but is preferably 0.5 to 10.0% by mass, and more preferably 2.0 to 6.0% by mass. This range is preferable in terms of the stability of the water-in-oil emulsion.

[0028] The ratio of (A) to (C) in the water-in-oil type paw pad protecting composition of the present invention is not particularly limited, but it is preferable that (A) / (C) is mixed at a ratio of (A) / (C)=0.1 to 20. Within this range, good emulsion stability is obtained and the storage stability of the composition is high. Furthermore, improved emulsification is preferable because it is not sticky and does not leave marks on flooring.

[0029] Furthermore, by adding (D) a water-soluble moisturizing agent, the moisture content of the paw is maintained, making the paw flexible and increasing the cushioning effect to protect the joints. In addition, the paw becomes more deformable, increasing the contact area with the floor and increasing the anti-slip effect even on low-friction surfaces, making it less likely for the dog to slip or fall during exercise and reducing the risk of injury due to unnatural postures. The term "water-soluble" as used herein means that 1 g or more of the compound can be dissolved in 100 ml of water at 20° C. without separation and / or precipitation. Representative (D) water-soluble moisturizing agents include polyhydric alcohols, sugars, sodium hyaluronate and its derivatives, amino acids and their derivatives, phosphocholine group-containing polymers, and alkylene oxide derivatives represented by the following general formula (I). One or more of these (D) water-soluble moisturizing agents can be used.

[0030] [ka]

[0031] Specific examples of the alkylene oxide derivatives represented by the general formula (I) include polyoxyalkylene methyl glucoside methyl gluceth-20 and polyoxyalkylene glyceryl ether PEG / PPG / polybutylene glycol 8 / 5 / 3 glycerin.

[0032] Particularly suitable components as the (D) water-soluble moisturizing agent include glycerin, urea, sodium hyaluronate, trehalose, trimethylglycine, methyl gluceth-20, PEG / PPG / polybutylene glycol 8 / 5 / 3 glycerin, and polyquaternium-51. One or more of these (D) water-soluble moisturizing agents can be used.

[0033] In order to prevent separation of the water-in-oil type paw pad protecting composition of the present invention by freezing and thawing, inorganic salts can be added. Specific examples of inorganic salts include sodium chloride, magnesium chloride, calcium chloride, etc. These can be used alone or in combination of two or more kinds as necessary.

[0034] As long as the effect of the water-in-oil type paw pad protecting composition of the present invention is not impaired and there are no problems with safety or stability, any ingredients that can be included as necessary can be used appropriately. For example, lipophilic nonionic surfactants, other surfactants, solid or semi-solid oils, non-volatile liquid oils, other surfactants, monohydric alcohols, water, aqueous gelling agents and thickeners, oil-based gelling agents, preservatives, powders, etc. can be blended.

[0035] Examples of lipophilic nonionic surfactants include diglyceryl monostearate (HLB5.0), diglyceryl monooleate (HLB6.5), diglyceryl monoisostearate (HLB5.5), diglyceryl diisostearate (HLB4), polyglyceryl-2 triisostearate (HLB3.0), decaglyceryl pentastearate (HLB3.5), decaglyceryl pentaisostearate (HLB3.5), sorbitan sesquistearate (HLB4.5), sorbitan sesquioleate (HLB4.0), sorbitan monoisostearate (HLB5.0), and sorbitan sesquiisostearate (HLB4.5). Among these lipophilic nonionic surfactants, one or more kinds can be used.

[0036] The other surfactants are not particularly limited as long as they are typically used in water-in-oil emulsions, and examples thereof include anionic surfactants, cationic surfactants, nonionic surfactants, amphoteric surfactants, and the like other than (C) silicone-based surfactants and lipophilic nonionic surfactants, and these can be used alone or in combination of two or more kinds as necessary.

[0037] The solid oil, semi-solid oil, and non-volatile liquid oil are not particularly limited as long as they are typically used in compositions, and examples of oils that can be used include natural animal and vegetable oils, hydrocarbon-based oils, silicones, higher alcohols, higher fatty acids, and ester-based oils. Specific examples of solid oils or semi-solid oils and non-volatile liquid oils include animal and vegetable oils such as carnauba wax, candelilla wax, hardened oil, shea butter, olive oil, jojoba oil, and squalane; hydrocarbon oils such as ceresin, paraffin wax, microcrystalline wax, petrolatum, polyethylene wax, Fischer-Tropsch wax, and liquid paraffin; stearyl dimethicone, alkyl (C30-45) methicone, highly polymerized or non-volatile dimethicone, phenyl-modified silicone oil, and (dimethicone / vinyl dimethicone) crosspolymer silicones; It is possible to use higher alcohols such as alcohol, cetyl alcohol, stearyl alcohol, phytosterol, isostearyl alcohol, octyldodecanol, etc., higher fatty acids such as stearic acid, behenic acid, isostearic acid, etc., and ester-based oils such as cetyl ethylhexanoate, triethylhexanoin, dimer dilinoleate (phytosteryl / isostearyl / cetyl / stearyl / behenyl), di(phytosteryl / octyldodecyl) lauroyl glutamate, dipentaerythrityl tetra(hydroxystearate / isostearate), etc. These can be used alone or in combination of two or more kinds as necessary.

[0038] The monohydric alcohol is not particularly limited as long as it is one that is usually used in compositions, and any of them can be used.Specific examples of the monohydric alcohol include ethanol and isopropyl alcohol.

[0039] The aqueous gelling agent and thickening agent are not particularly limited as long as they are those usually used in compositions, and examples thereof include natural polymers such as agar, plant polymers such as locust bean gum, microbial polymers such as xanthan gum and gellan gum, and cellulose polymers such as hydroxyethyl cellulose and hydroxypropyl methylcellulose stearoxy ether; synthetic polymers such as carboxyvinyl polymers, alkyl-modified carboxyvinyl polymers, acrylic acid-sodium acryloyldimethyltaurate copolymers, sodium polyacrylate, polyethyl acrylate, and polyacrylamide; polyoxyethylene polymers such as highly polymerized polyethylene glycol; and urethane polymers such as (PEG-240 / decyltetradeceth-20 / HDI) copolymer; and inorganic thickening agents such as bentonite, synthetic hectorite, and silicic anhydride. These may be used alone or in combination of two or more as necessary.

[0040] The oily gelling agent is not particularly limited as long as it is one that is usually used in compositions, and examples thereof include dextrin fatty acid esters such as dextrin palmitate and dextrin (palmitate / ethylhexanoate), amino acid derivatives such as dibutyl lauroyl glutamide, sucrose fatty acid esters such as sucrose stearate, and organic modified clay minerals such as disteardimonium hectorite, etc. These may be used alone or in combination of two or more kinds as necessary.

[0041] Examples of preservatives include antiseptics such as phenoxyethanol, paraoxybenzoic acid esters, sodium benzoate, salicylic acid, iodopropynyl butylcarbamate, etc. Examples of antioxidants include tocopherol, dibutylhydroxytoluene, etc. Examples of pH adjusters include lactic acid, citric acid, citrate salts, sodium hydrogencarbonate, L-arginine, etc. Examples of sequestering agents include sodium edetate, sodium polyphosphate, sodium metaphosphate, etc. These can be used alone or in combination of two or more kinds as necessary.

[0042] Examples of powders include inorganic powders, organic powders, inorganic pigments, organic pigments, pearl pigments, natural dyes, etc., and any of them can be used regardless of particle shape (spherical, needle-like, plate-like, etc.), particle size, particle structure (porous, non-porous, etc.), or crystal structure (crystalline, non-crystalline). These can be used alone or in combination of two or more kinds as necessary.

[0043] The water-in-oil type paw pad protecting composition of the present invention may be in the form of a cream, gel, liquid, emulsion, or the like. EXAMPLES

[0044] The present technology will be described in more detail below with reference to examples and comparative examples, but the present invention is not limited thereto.

[0045] Examples 1 to 6 and Comparative Examples 1 to 5 (water-in-oil emulsions) The water-in-oil emulsions shown in Table 1 were produced by the following production method. Each sample was evaluated by the following evaluation methods, and the results are also shown in Table 1. [Manufacturing method] (1): Dissolve and mix the oily ingredients uniformly. (2): Dissolve and mix the aqueous components uniformly. (3): Gradually add (2) to (1) and emulsify. (4): Process (3) with a homogenizer. (5): The mixture was defoamed to obtain a water-in-oil emulsion.

[0046] <Moisture evaporation suppression effect> (1) 0.1 g of the prepared sample was weighed out and applied evenly to a filter paper (No. 5B, diameter 21 mm: manufactured by ADVANTEC) with a spatula. (2) The plastic lid (inner lid) attached to the cap of a Pierce vial CV-400 (inner diameter × body diameter × total height: φ17 × φ27 × 95 mm, capacity: 40 mL: manufactured by Osaka Chemical Co., Ltd.) was removed, and the filter paper was placed inside the cap so that the surface on which the sample was applied was in contact with the glass mouth of the Pierce vial. (4) 10 g of distilled water was placed in a Pierce vial, and the vial was sealed with the cap containing the filter paper prepared in (3) to prepare a sample. (5) The weight of the specimen (= the total weight of the filter paper on which the sample was applied, the Pierce vial (excluding the inner lid), and the water) was measured using an electronic balance capable of measuring to four decimal places. (6) Calcium chloride (for drying: manufactured by Junsei Chemical Co., Ltd.) was placed in a desiccator, the specimen was placed in the desiccator, and the desiccator was then placed on a lid and left to stand for 5 days at 20°C. The inside of the desiccator was kept at 5% RH. (7) The specimen was removed from the desiccator, and the weight of the specimen (the total weight of the filter paper on which the sample was applied, the Pierce vial (excluding the inner cap), and the water) was measured. (8) Three samples were prepared for each of the examples and comparative examples. (9) The weight of each specimen was measured, and the water evaporation rate of the samples of the Examples, Comparative Examples, and commercially available products was calculated using the following formula.

[0047]

number

[0048] The water evaporation suppression effect was evaluated using the water evaporation rate according to the following evaluation criteria. Moisture evaporation rate is less than 10%: ◎ Moisture evaporation rate is between 10% and 20%: YES Moisture evaporation rate is between 20% and 40%: △ Moisture evaporation rate is 40% or more: ×

[0049] <Water resistance> (1) 0.3 g of the sample was spread evenly on a filter paper (No. 5B, diameter 47 mm: manufactured by ADVANTEC). (2) After drying for 1 hour in a 60°C incubator, a drop (approximately 0.1 cc) of distilled water was applied to the sample application area using a pipette, and the time until the water was absorbed was measured. The water resistance was evaluated using the above measured time in accordance with the following evaluation criteria. Within 10 seconds :× 10 seconds~30 seconds:△ 30 seconds to 10 minutes:〇 10 minutes or more: ◎

[0050] <Maintaining water resistance> (1) Artificial leather (Suprale: Idemitsu Technofine Co., Ltd.) was cut into a size of 5 cm x 5 cm, and 0.1 g of the sample was evenly applied to the center (3 cm x 3 cm) of the leather grain reproduction surface of the artificial leather, and dried in a 60°C incubator for 1 hour. (2)(1) is Kent paper (A4 157g / m 2 The rough side of the paper (manufactured by KOKUYO) was placed face down, a 50 g weight (M1 class: manufactured by Kanto Major Co., Ltd.) was placed on it, and the paper was rubbed 20 times, after which the Kent paper and the weight were removed. (4) Using a pipette, a drop (approximately 0.1 cc) of distilled water was placed on the sample and it was confirmed that the drop was repelled. The maintenance of water resistance was evaluated according to the following evaluation criteria. The dropped water forms a ball and bounces off: Yes The dripped water has settled: ×

[0051] <Anti-slip effect> (1) Artificial leather (Suprale: manufactured by Idemitsu Technofine Co., Ltd.) was cut to 2.5 cm x 2.5 cm, and 0.04 g of the sample was evenly applied to the entire surface of the artificial leather where the leather grain was reproduced. (2) After drying at room temperature for 5 minutes, a 10 g copper weight (23φ × approximately 2.5 mm) was fixed to the back of the sample coating surface with double-sided tape. (3) The sample was placed on a stainless steel plate with the coated side facing down. (4) One side of the stainless steel plate was gradually lifted and the angle at which it slid down was measured. The anti-slip effect was evaluated according to the following evaluation criteria using the angle measured above. 30° or less: × 30~40°:△ 40~60°: 〇 Over 60°: ◎

[0052] <Less likely to leave marks> (1) Artificial leather (Suprale: manufactured by Idemitsu Technofine Co., Ltd.) was cut to 10 cm x 10 cm, and 0.1 g of the sample was evenly applied to the center (3 cm x 3 cm) of the leather grain reproduction surface of the artificial leather. (2) After drying at room temperature for 3 minutes, a 200 g weight (M1 class, manufactured by Kanto Major Co., Ltd.) was wrapped in the artificial leather coated with the sample, with the coated part facing outward and flush with the bottom of the weight. (3)(2) was gently placed on a piece of black construction paper with the applied portion in contact with the surface of the construction paper, and after one minute it was lifted up and checked to see if there were any marks. The resistance to leaving marks was evaluated according to the following criteria. No marks: ◎ Almost no marks left: Yes Light marks are left: △ There is a clear mark :×

[0053] <Sensory evaluation> [Usability] An appropriate amount of each sample was applied to the paws of small to medium-sized dogs kept indoors (3 Chihuahuas, 2 miniature dachshunds, 3 toy poodles, 2 French bulldogs), and then 10 professional panelists (groomers) rated the samples on a 7-point scale according to the following criteria for "non-stickiness" and "softness of the paws". The scores of all panelists were then averaged and judged according to the following criteria. [Evaluation Criteria] (Evaluation results) (Score) Very good: 6 points Good: 5 points Fairly good: 4 points Average: 3 points Slightly poor: 2 points Defective: 1 point Very poor: 0 points [Judgment criteria] (Average score) (Judgment) 5.0 or higher: ◎ 3.5 or more and less than 5.0: 〇 1.5 or more and less than 3.5: △ Less than 1.5: ×

[0054] [Table 1]

[0055] For Examples 1 to 6, good evaluation results were obtained in all items. Specifically, a water-in-oil composition that keeps paws soft was obtained because it has a high moisture evaporation suppression effect and excellent moisturizing effect. By keeping paws soft, the original shock absorbing effect of paws can be maintained. Furthermore, the composition has an anti-slip effect, but is not sticky and does not leave marks easily. In addition, it has high adhesion and good water resistance, so it is thought that it will not come off easily even on wet ground or when grooming. Comparative Example 1 (A) Kinematic viscosity is 150 to 6000 mm 2 Since it does not contain the hydrocarbon oil of / s, it does not have an anti-slip effect and the effect of maintaining water resistance is also insufficient. Comparative Example 2 (A) Kinematic viscosity is 150 to 6000 mm 2 Instead of the hydrocarbon oil in / s, it contains liquid paraffin, a low-viscosity non-volatile hydrocarbon oil. It is slippery immediately after application, and remains slippery even after drying, but it does not maintain water resistance sufficiently, and there is also the problem of it leaving marks. Comparative Example 3 (A) Kinematic viscosity is 150 to 6000 mm 2 When ceresin, a solid hydrocarbon oil, was used instead of the hydrocarbon oil in / s, the anti-slip effect was not obtained. Also, the adhesion was low, so the water resistance was not maintained sufficiently. Comparative Example 4 (A) Kinematic viscosity is 150 to 6000 mm 2 Instead of the hydrocarbon oil of / s, it contains di(octyldodecyl / phytosteryl / behenyl) lauroyl glutamate, a high viscosity oil of ester type. It was not possible to obtain sufficient effect in terms of water resistance, water resistance maintenance, and anti-slip effect. Comparative Example 5 (B): A non-volatile silicone oil (dimethicone) and ester oil (cetyl ethylhexanoate) were used instead of a volatile oil, and the composition was slow to blend in, felt sticky, and left marks. The anti-slip effect was insufficient. Comparative Example 6 (C) Instead of a silicone surfactant, diglyceryl monoisostearate, a polyglycerin fatty acid ester surfactant that is preferably used in water-in-oil compositions, was used. The emulsifying power was insufficient, and liquid oil separated at the top over time, so the composition was stirred well before use to make it uniform before application. The composition was very sticky and left marks. Furthermore, the anti-slip effect and paw pad flexibility were not evaluated satisfactorily.

[0056] Comparison with commercially available products In order to confirm that the effect of the present application is superior to that of compositions of other formulations, a comparison was made with commercially available products of different formulations from that of the present application. A comparison was made between the formulation shown in Example 1 in Table 1 and a commercially available product. Each sample was evaluated for the same evaluation items as in Table 1, and the results are shown in Table 2.

[0057] [Table 2]

[0058] With regard to Example 1, which is the composition of the present application, good results were obtained in all items. Oil-in-water paw creams were highly evaluated for their softness, but they did not provide anti-slip properties and did not provide sufficient water resistance. The oil-based paw balm was highly evaluated for its moisture evaporation suppression effect, water resistance and anti-slip effect, but it had problems with leaving footprints and being very sticky because it left a thick oily film on the paw.Furthermore, it also had problems with dirt easily accumulating between the paws because the oily film was so sticky. The aqueous paw gel had a low moisture evaporation inhibition effect and did not provide water resistance. Thus, it has become clear that the composition of the present application is superior to commercially available products.

[0059] The following composition (Example 7) was prepared by the same manufacturing method as Examples 1 to 6 and Comparative Examples 1 to 5 (water-in-oil emulsions). A water-in-oil composition that keeps paws soft was obtained because it has a high moisture evaporation suppression effect and excellent moisturizing effect. By keeping the paws soft, the original shock absorbing effect of the paws could be maintained. Furthermore, while having an anti-slip effect, the composition was not sticky and did not leave marks on flooring. In addition, the composition had high adhesion to paws and high water resistance, so it did not easily come off even on wet ground or while grooming. In addition, the composition had a deodorizing and deodorizing effect when applied to paws.

[0060] Example 7 Water-in-oil type paw pad protection composition (containing no ethanol) Heavy fluid isoparaffin Kinematic viscosity: 300mm 2 / s *1 3.0% Heavy fluid isoparaffin Kinematic viscosity: 4700mm 2 / s *3 1.0% Ceresin 0.5% Isododecane 20.0% Dimer dilinoleic acid (phytosteryl / isostearyl / cetyl / stearyl / behenyl 1.0% Cetyl ethylhexanoate 3.0% (Cetyl PEG / PPG-10 / 1 Dimethicone *11 3.0% Disteardimonium hectorite / PEG-10 dimethicone / decamethylcyclopentasiloxane mixture *12 3.0% Cetyl diglyceryl tris(trimethylsiloxy)silylethyl dimethicone *13 1.0% (Dimethicone / vinyl dimethicone) crosspolymer-dimethicone mixture *8 6.0% Purified water (appropriate amount) Methyl gluceth-10 5.0% Polyquaternium-51 aqueous solution *14 1.0% Hydroxypropyl-β-cyclodextrin 5.0% Sodium chloride 1.0% Spherical porous silicic anhydride 3.0% Green tea extract *15 0.1% Cocoyl arginine ethyl PCA 0.05% Phenoxyethanol 0.3% Isopropyl methylphenol 0.05% Total 100.0% *11 ABIL EM90 (Goldschmidt) HLB approx. 5 *12 NIKKOL Nikomurus WO (manufactured by Nikko Chemicals) *13 DOWSIL ES-5600 Silicone Glycerol Emulsifier (Dow Toray) HLB2.0 *14 LIPIDURE-PMB (NOF Corporation) *15 Sanphenon 30S (Taiyo Kagaku Co., Ltd.)

Claims

1. The following components (A) to (C) (A) Kinematic viscosity is 150 to 6000 mm ２ / s Hydrocarbon oil 0.5 to 10 mass% (B) Volatile oil (C) Silicone-based surfactant A water-in-oil type paw pad protecting composition comprising:

2. The water-in-oil type paw pad protecting composition according to claim 1, further comprising (D) a water-soluble moisturizing agent.

3. The water-in-oil type paw pad protecting composition according to claim 2, wherein the HLB of the silicone surfactant (C) is 2 to 6.

4. A water-in-oil type paw pad protecting composition according to any one of claims 1 to 3, wherein (A) / (C) is 0.1 to 20.

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