KR0144359B1 - Bathing preparation - Google Patents

Abstract

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Description

Bath preparations

The present invention relates to a bath preparation containing at least one organic acid, at least one carbonate, and at least one perfume, wherein the evaporation of the perfume is suppressed with the expansion of carbon dioxide upon dissolution in the bath to maintain the fragrance of the preparation over a long period of time. will be.

Bath preparations are typically prepared by combining inorganic salts, mirabilite, borax, sulfur, conventional salts or carbonates with, for example, mixtures of perfumes, colorants, vegetable extracts and organic acids. This bath preparation gives the bath a scent and / or color and moderately stimulates the skin surface to promote blood circulation and promote fatigue and metabolism. Intumescent bath formulations comprising one or more carbonates and one or more organic acids are known to enhance bathing and refresh the bath through expansion of carbon dioxide in the bath.

In order to enhance the above-mentioned effect, perfume is added to the bath preparation. However, the highly volatile perfumes evaporate into the atmosphere with the expansion of carbon dioxide and thus have almost no desired effect.

As a result, a method of using the perfume in an encapsulated or enclosed form to prevent evaporation of the perfume and thus maintaining the fragrance for a long time has been proposed. See JP-A No. 62-223111 ( As used herein, the term JP-A refers to an unexamined Japanese patent application) and JP-B 52-21573 (in this specification, the term JP-B means an examined Japanese patent publication).] However, both encapsulation and encapsulation processes are demanding and expensive. In addition to these economic disadvantages, it is difficult to formulate tablets of bath preparations containing encapsulated fragrances.

It has now been found that the use of an expandable bath formulation comprising at least 20% by weight of fumaric acid as organic acid prevents the evaporation of highly volatile perfumes without the need for any encapsulation in the encapsulation process.

Therefore, the present invention

(a) at least one organic acid wherein at least 20% by weight of the total organic acid is fumaric acid.

(b) one or more carbonates, and

(c) A bath preparation comprising at least one perfume selected from the group consisting of terpene hydrocarbons of 10 carbon atoms and formate, acetate and propionate of alcohols of 5 to 10 carbon atoms.

Carbonates that can be used in the bath regime of the present invention are not critical to the present invention. Examples of carbonates include sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, calcium carbonate, magnesium carbonate and sodium sesquicarbonate. One or a mixture of these carbonates may be used in the present invention.

The content of carbonate in the bath preparation is preferably 5 to 80% by weight, more preferably 10 to 50% by weight based on the total composition.

The bath preparations of the present invention should contain fumaric acid at least 20% by weight of the total organic acid. Examples of other organic acids include citric acid, succinic acid, malic acid and tartaric acid. If fumaric acid is less than 20% by weight of the organic acid, it is not possible to suppress evaporation of the highly volatile perfume. The content of the total organic acid is preferably 10 to 300% by weight, more preferably 30 to 150% by weight based on the carbonates described above.

Fumaric acid, which is almost insoluble in water, sometimes floats when dissolved in bath water. Thus, water-soluble polymers (such as sodium polyacrylate or sodium carboxymethylcellulose), or hydrophilic nonionic surfactants (such as polyethylene glycol, sucrose fatty acid esters, polyglycerol fatty acid esters), or mixtures thereof, may be used to surface water. Solubility can be increased. The water-soluble polymer and the hydrophilic nonionic surfactant are preferably 0 to 40% by weight (more preferably 0.1 to 20% by weight) and preferably 0 to 5% by weight (more preferably, based on fumaric acid). 0.02 to 0.1% by weight).

In the highly volatile perfumes that can be used in the present invention, examples of terpene hydrocarbons having 10 carbon atoms include α-pinene, β-pinene, campene, limonene, terpinolene, myrcene and p-cymene; Examples of formates of alcohols of 10 include geranyl formate, benzyl formate and phenylethyl formate, and examples of acetates of alcohol having 5 to 10 carbon atoms include isoamyl acetate, citronelyl acetate, geranyl acetate, Benzyl acetate, linalyl acetate, phenylethyl acetate, menthyl acetate, bornyl acetate, terphenyl acetate, cinnamil acetate, anylyl acetate and myrsenyl acetate: examples of propionates of alcohols having 5 to 10 carbon atoms Linali Propionate, Citronelli Propionate, Geranyl Propionate, Benzyl Propionate Sites, a terphenyl propionate and cinnamyl propionate.

These highly volatile perfumes can be used alone in the bath preparations of the present invention, respectively. Alternatively, mixtures thereof may be used with other flavors. The bath preparation of the present invention preferably contains 0.001 to 2% by weight, more preferably 0.005 to 0.6% by weight, based on the total composition of the highly volatile incense burner. In addition, the total amount of perfume is preferably 0.2 to 2% by weight of the bath preparation.

In addition to the essential ingredients mentioned above, the bath preparations of the present invention may further contain inorganic salts such as sulfates such as sodium sulfate, magnesium sulfate and zinc sulfate or chlorides such as sodium chloride. These inorganic salts are preferably used in an amount of 0 to 20% by weight based on the total composition.

The bath preparations of the present invention may also contain various additives commonly used in the preparations to enhance the effect. Examples of these additives include pigments, vitamins, active ingredients of hot spring water, proteases, seaweed extracts, sodium alginates, ranulin, silicones, herbals or extracts thereof.

The bath preparation of the present invention can provide carbon dioxide gas dissolved in bath water by appropriately selecting the composition ratio between organic acid (s) and carbonate (s) such that the pH of the bath water is adjusted to 5-7. In this case, dissolved carbon dioxide gas is expected to accelerate blood circulation.

The bath preparations of the present invention are preferably formulated into tablets since the solubility of carbon dioxide in the bath can be promoted thereby. However, it can also be formulated in other forms such as powders or granules. If necessary, in the formulation step, conventional vehicles or lubricants may be used.

Specific examples of vehicles include sodium chloride, kaolin, carboxyvinyl polymer, powdered licorice, light silicic anhydride, synthetic aluminum silicate, magnesium silicate, calcium citrate, crystalline cellulose, D-sorbitol, talc, precipitation Calcium carbonate, dextrin, starch, tragacanth, lactose, sucrose, dextrose, D-mannitol, magnesium aluminum oxide metasilicate, aluminum monostearate, medicated soap, calcium phosphate, calcium hydrogen phosphate, calcium sulfate, gum arabic, Glycerin, syrup simplex, aromatic powder, water and the like.

Specific examples of lubricants include carnauba wax, light silicate anhydride, magnesium silicate, synthetic aluminum silicate, hardened oil, white Japan wax, titanium oxide, stearic acid, stearates (e.g. Al, K , Na, Ca, Mg), talc, corn starch, microcrystalline cellulose, macrogol-4000 (Macrogol-4000), macrogol-6000, isopropyl myristate, magnesium lauryl sulfate, calcium hydrogen phosphate, wax, colloidal Silicates such as magnesium aluminum oxide silicate, and the like.

As described above, the bath preparation of the present invention comprising an organic acid containing fumaric acid at a specific concentration or higher achieves a desired bath effect by maintaining it in a bath without evaporating a particular volatile perfume.

The present invention is described in more detail by the following examples using the fragrances A to K shown in Table 1, but it should not be understood that the present invention is limited thereto.

Example 1

Composition:

Sodium bicarbonate 43.8 (% by weight)

Sodium Carbonate 15 (% by weight)

Organic acids (Table 2) 40 (% by weight)

Dextrin 0.8 (% by weight)

Fragrance A 0.4 (wt%)

The bath formulation of the composition is mixed and tableted. 50 g of bath preparation are added to a bath filled with 150 L of water at 40 ° C. (910 × 710 cm) and the fragrance over time is assessed by a skilled panelist according to the following criteria.

The results are shown in Table 2 below.

From the results in Table 2, it can be seen that a bath preparation containing 20% by weight or more of fumaric acid as an organic acid maintains its fragrance for a long time.

Example 2

Composition:

Sodium bicarbonate 43.8 (% by weight)

Sodium Carbonate 15 (% by weight)

Organic acids (Table 3) 40 (% by weight)

Dextrin 0.8 (% by weight)

Perfume (Table 3) 0.4 (% by weight)

The bath preparations of the composition are mixed, tableted and added to the bath as in Example 1. After 60 minutes of bath preparation, the aroma of the bath is evaluated by an experienced panelist similar to Example 1.

The results are shown in Table 3.

From the results in Table 3, it can be seen that a bath preparation containing 20% by weight or more (for example, 50% by weight) of fumaric acid as an organic acid retains its scent for a long time regardless of the type of perfume.

Example 3

Except for using the organic acids and fragrances shown in Table 4, bath preparations of the same composition as described above in Example 2 were mixed, tableted, and added to the bath similarly to Example 1. After 60 minutes of bath preparation, the fragrance of the bath is assessed sensually by an experienced panelist as described in Example 1.

The results are shown in Table 4.

1) 92.20% by weight of fumaric acid was surface-treated by 4.75% by weight of polyethylene glycol (average molecular weight 6000) and 0.05% by weight of sucrose fatty acid ester (HLB 15) by a heat-melting process.

2) 88% by weight fumaric acid was surface-treated with 12% by weight sodium polyacrylate (average molecular weight 8,000) by a spray-drying process.

From the results in Table 4, it can be seen that a bath preparation containing 20% by weight or more (for example, 60% by weight) of fumaric acid as an organic acid retains its scent for a long time regardless of the type of perfume.

Although the present invention has been described in detail with reference to specific embodiments thereof, those skilled in the art may make various changes and modifications without departing from the spirit and scope thereof.

Claims (11)

(A) at least one organic acid wherein at least 20% by weight of the total organic acid is fumaric acid. Bath preparation comprising (B) at least one carbonate and (C) at least one fragrance selected from the group consisting of terpene hydrocarbons of 10 carbon atoms and formate, acetate and propionate of alcohols of 5 to 10 carbon atoms The bath preparation according to claim 1, wherein the carbonate is selected from the group consisting of sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, calcium carbonate, magnesium carbonate, sodium sesquicarbonate and mixtures thereof. The bath preparation of claim 1, wherein the carbonate is 5 to 80% by weight based on the total composition. The bath preparation according to claim 3, wherein the carbonate is 10 to 50% by weight based on the total composition. The bath preparation of claim 1, wherein the organic acid is a mixture of fumaric acid and at least one organic acid selected from the group consisting of citric acid, succinic acid, malic acid and tartaric acid. The bath preparation according to claim 1, wherein the organic acid is 10 to 300% by weight based on carbonate. The bath preparation according to claim 6, wherein the organic acid is 30 to 150% by weight based on carbonate. The bath system of claim 1, wherein the fumaric acid is surface-treated with a water soluble polymer, a hydrophilic nonionic surfactant, or a mixture thereof. The compound of claim 1, wherein the terpene hydrocarbon having 10 carbon atoms is selected from the group consisting of α-pinene, β-pinene, campene, limonene, terpinolene, myrcene and p-cymene; The formate of the alcohol is selected from the group consisting of geranyl formate, benzyl formate and phenylethyl formate; The acetates of the alcohols are isoamyl acetate, citronelyl acetate, geranyl acetate, benzyl acetate, linalyl acetate, phenylethyl acetate, menthyl acetate, bornyl acetate, terphenyl acetate, cinnamil acetate, anylsil acetate and myrsenyl acetate Is selected from the group consisting of; A bath preparation wherein the propionate of the alcohol is selected from the group consisting of linalyl propionate, citronelli propionate, geranyl propionate, benzyl propionate, terphenyl propionate and cinnamil propionate. The bath preparation of claim 1, wherein the fragrance is 0.001 to 2% by weight, based on the total composition. The bath preparation of claim 10, wherein the fragrance is from 0.005 to 0.6% by weight, based on the total composition.