JPH08299783A - Emulsified composition - Google Patents

Abstract

PURPOSE: To obtain a nonsticky makeup base or emulsified foundation having water and oil resistances and rough skin improving effect by blending a specified perfluoropolyether and a specified perfluoroalkylphosphoric ester diethanolamine salt with water and silicone. CONSTITUTION: A perfluoropolyether represented by formula I [where each of R<1> to R5 is F, a perfluoroalkyl or an oxyperfluoroalkyl and (p), (q) and (r) are integers of >=0 giving a mol.wt. of 500-10,000 but all of (p) to (r) are not 0] and a perfluoroalkylphosphoric ester diethanolamine salt represented by formula II [where (m) is an integer of 6-18 and (n) is 1 or 2] are blended with water and one or more kinds of silicones to obtain the objective emulsified compsn. giving a nonsticky dry state, excellent in rough skin improving effect and excellent also in water and oil resistances.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emulsified composition, more specifically, an emulsified composition having a dry feeling without stickiness, an excellent effect of improving rough skin, and also excellent water resistance and oil resistance. Regarding things.

[0002]

2. Description of the Related Art As an emulsified composition, emulsions, creams and the like, makeup bases, emulsion foundations and the like have been conventionally used in the fields of cosmetics, pharmaceuticals and the like. In emulsions, creams and the like, a moisturizing agent and an oil component are appropriately blended to control the moisturizing and softening effects of the skin and to improve the rough skin. However, although a highly moisturizing base has a high effect of improving rough skin, it is not preferable because it is sticky in terms of usability. On the other hand, makeup base,
In an emulsified foundation or the like, it is not preferable to add a moisturizer and an oil component in the same manner as in an emulsion or cream in order to enhance the effect of improving rough skin, since the water resistance and the oil resistance are deteriorated. In addition, many of the emulsifiers used for these makeup bases, emulsion foundations, etc. are associated with stickiness, and when the blending amount for improving the emulsion stability is increased, there are many problems with the feeling of use.

[0003]

[Problems to be Solved by the Invention] Emulsions, creams and the like having a non-greasy feeling of use and a high effect of improving rough skin, and further a water- and oil-resistant makeup base having a rough skin improving effect and having no stickiness. In order to obtain an emulsion foundation or the like, it is effective to add perfluoropolyether which has a high occlusive effect, excellent water resistance and oil resistance, and does not cause stickiness during use. However, it has been extremely difficult to achieve stable emulsification by the conventional techniques.
The present invention has been made to solve the above-mentioned problems of the prior art, and the object thereof is to stabilize emulsification of perfluoropolyether to obtain an emulsion composition excellent in usability and skin roughening improving effect, such as an emulsion. An object is to provide an emulsified composition such as a cosmetic base, an emulsified foundation, etc., which has a water resistant property, an oil resistant property, a skin roughening improving effect and is non-greasy.

[0004]

[Means for Solving the Problems] As a result of intensive studies to solve the above-mentioned conventional problems, the present inventors have found that perfluoropolyether, perfluorofluoroalkyl phosphate ester / diethanolamine salt, and water. It was found that the above-mentioned problems can be solved by blending one or more silicones with one or more silicones, and further blending one or more polyhydric alcohols therewith. The present invention has been completed based on the above.

That is, according to the present invention, the following general formula (I)

Embedded image [Wherein R 1 to R 5 are the same or different and each represents a fluorine atom, a perfluoroalkyl group or an oxyperfluoroalkyl group;
Indicates an integer of 0 or more that gives 0 to 10000 (however, p
= Q = r = 0 is not satisfied)], and the following general formula (II)

[Chemical 4] (In the formula, m represents an integer of 6 to 18; n is 1 or 2), a perfluoroalkyl phosphate ester / diethanolamine salt, water, and one or more kinds of silicone are blended. An emulsified composition comprising: Further, according to the present invention, there is provided an emulsified composition characterized by further adding a polyhydric alcohol to the emulsified composition. Further, according to the present invention, it is produced by dissolving perfluoroalkyl phosphate ester / diethanolamine salt in a polyhydric alcohol, adding perfluoropolyether and silicone to prepare an emulsion gel, and then adding water. The above emulsified composition is provided. Hereinafter, the emulsion composition of the present invention will be described in more detail.

The perfluoropolyether used in the present invention is a compound represented by the above general formula (I), which is water- and oil-repellent and is a non-volatile liquid at room temperature (about 25 ° C.). In the present invention, as long as it can be generally used in the fields of cosmetics, pharmaceuticals, etc., it can be used without particular limitation, but among them, the viscosity is 5 to 500.
It is preferably 0 cSt. Suitable perfluoropolyethers include the following general formula (III)

Embedded image (In the formula, x and y represent an integer giving a molecular weight of 500 to 10,000; x / y is 0.2 to 2), or the following general formula (IV).

[Chemical 6] (In the formula, z represents an integer of 4 to 500) and the like. Examples of the compound represented by the general formula (III) include “FOMBLIN HC-04” and “H
Examples of the compound represented by the general formula (IV) include "Demnum S-20", "S-65", and "C-25" and "HC-R" (all of which are manufactured by Montefluos).
“Same S-100”, “Same S-200” (all of which are manufactured by Daikin Industries, Ltd.) and the like are specifically exemplified as commercially available products. Such perfluoropolyether is contained in the emulsified composition in an amount of 1 to 80% by weight, preferably 5 to 7%.
It is blended in an amount of 0% by weight, more preferably 10 to 60% by weight. If it is less than 1% by weight, the rough skin improving effect, water resistance,
The oil resistance is not good, while if it exceeds 80% by weight, stable emulsification becomes difficult.

The perfluoroalkyl phosphate ester / diethanolamine salt used in the present invention is a compound represented by the above general formula (II), and is not particularly limited as long as it can be generally used in the fields of cosmetics, pharmaceuticals and the like. Can be used without. Specifically, "Asahi Guard AG530" (manufactured by Asahi Glass Co., Ltd.) and the like are exemplified as commercially available products. The perfluoroalkyl phosphate ester / diethanolamine salt is contained in the emulsion composition in an amount of 0.1 to 0.1%.
It is compounded in a proportion of 20% by weight, preferably 0.5 to 15% by weight, more preferably 1 to 10% by weight. If it is less than 0.1% by weight, the system is not uniform and it is difficult to apply it. On the other hand, if it exceeds 20% by weight, the emulsion stability is not so improved and it is uneconomical.

The silicone preferably used in the present invention is a chain polysiloxane such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and three-dimensional. Examples thereof include silicone resin and silicone rubber which form a mesh structure. One or more of these are used. These silicones are contained in the emulsified composition in an amount of 0.1 to 20% by weight, preferably 0.5 to 15% by weight, more preferably 1% by weight.
It is blended in a ratio of 10 to 10% by weight. If the amount is less than 0.1% by weight, sufficient water resistance cannot be obtained, and if the amount exceeds 20% by weight, the skin becomes uncomfortable to be applied, and further gloss during application is caused, which is not preferable.

The polyhydric alcohol used in the present invention can be used without particular limitation as long as it can be generally used in the fields of cosmetics, pharmaceuticals and the like.
Specifically, for example, ethylene glycol, propylene glycol, trimethylene glycol, 1,3-butylene glycol, tetramethylene glycol, glycerin,
Sorbitol, diethylene glycol, dipropylene glycol, polypropylene glycol, diglycerin,
Examples thereof include maltitol and polyoxyethylene methyl glucoside, but are not limited thereto. One or more of these are used. The content of the polyhydric alcohol in the emulsion composition is 1 to 50% by weight, preferably 5 to 40% by weight, more preferably 10 to 30%.
% By weight. Alternatively, the amount is 1/5 to 5 times, preferably 1/3 to 3 times the amount of the perfluoropolyether represented by the general formula (I). If the blending amount is less than 1% by weight in the emulsified composition and less than 1/5 times the amount of the perfluoropolyether, a stable emulsified composition cannot be obtained. If the amount exceeds the above range, stickiness occurs, which is not preferable.

Of the present invention, the method for producing an emulsified composition obtained by mixing perfluoropolyether, perfluoroalkyl phosphate ester / diethanolamine salt and water is not particularly limited, but perfluoropolyether Is preferably obtained by mixing and stirring the perfluoroalkyl phosphate ester / diethanolamine salt and the silicone, and then adding water thereto to dilute and stirring. Of the present invention, an emulsion composition obtained by further adding a polyhydric alcohol to the above emulsion composition is preferably a perfluoroalkyl phosphate ester / diethanolamine salt dissolved in a polyhydric alcohol, and further a perfluoropolyether. Is added to prepare an emulsified gel, and then water and a water-soluble polymer are added to produce an emulsion gel. That is, first, a perfluoroalkyl phosphate ester / diethanolamine salt is added to a polyhydric alcohol and dissolved by stirring at room temperature. Perfume polyether is gradually added to this while stirring to obtain an emulsified gel.
Then, water and a water-soluble polymer are added to the emulsion gel thus obtained to dilute it, and the mixture is stirred to obtain a stable emulsion composition.

In the emulsion composition of the present invention, in addition to the above components, other oil components, surfactants, alcohols, powders, chemicals, ultraviolet absorbers, preservatives, in addition to the above components,
It is possible to add components such as colorants, fragrances and antioxidants that are usually added to cosmetics.

[0012]

The present invention will be described in more detail based on the following examples, but the invention is not intended to be limited thereto. In addition, unless otherwise specified, the compounding amount and the like are shown in% by weight. Comparative Examples 1 to 4 and Examples 1 to 2 (makeup base) Emulsion compositions having the compositions shown in Table 1 below were produced. Using each of these samples, according to the following test method and evaluation criteria,
Water resistance, oil resistance, cosmetic stickiness, stickiness, and emulsion stability were evaluated. [Water resistance] Ten specialized panels actually used the samples of the comparative example and the example, and a sensory evaluation of water resistance was performed, and a comprehensive evaluation was performed. Evaluation of water resistance: ◎: Very good ○: Excellent ○ △: Slightly excellent △: Slightly inferior ×: Inferior [Oil resistance] Each of the Comparative Example and Example samples was provided to 10 specialist panels. Have you actually use, sensory evaluation of oil resistance,
According to the comprehensive evaluation. Evaluation of oil resistance: ◎: Very good ○: Excellent ○ △: Slightly excellent △: Slightly inferior ×: Slightly inferior [Makeup lasting] 10 specialist panels were provided with each sample of Comparative Example and Example. We asked them to actually use it, and performed a sensory evaluation of their make-up to make a comprehensive evaluation. Evaluation of makeup lasting: ◎: Very good ○: Excellent ○ △: Slightly excellent △: Slightly inferior ×: Inferior [greasy] Each sample of Comparative Example and Example was actually applied to 10 specialist panels. Was used for a sensory evaluation of stickiness, and the comprehensive evaluation was performed. Evaluation of stickiness: ◎: Very good (no sticky feeling at all) ○: Excellent (no sticky feeling) ○ △: Slightly excellent (almost no sticky feeling) △: Slightly poor (slightly sticky) Poor (sticky feeling) [Emulsion stability] The size of emulsion particles after leaving each sample at 50 ° C. for 4 weeks was evaluated by comparison with that immediately after production. Evaluation of Emulsion Stability: ◎: Very good (the size of the emulsified particles is exactly the same as immediately after production) ○: Excellent (the size of the emulsified particles is the same as that immediately after production) ○ Δ: Slightly excellent (the size of the emulsified particles is almost the same as that immediately after production) Δ: Slightly inferior (The size of the emulsified particles was slightly larger than that immediately after the production) ×: Inferior (emulsification The size of the particles became larger than that of the one just after production)

[0013]

[Table 1]

As is clear from the results shown in Table 1, the emulsion composition of the present invention is excellent in cosmetic lasting effect, non-greasy feeling in use, good in emulsion stability, and excellent in water resistance and oil resistance. Met.

Comparative Examples 5-7, Examples 3-11 (makeup base) Emulsion compositions having the compositions shown in Table 2 below were produced. Using each of these samples, according to the above test method and evaluation criteria,
Water resistance, oil resistance, cosmetic stickiness, stickiness, and emulsion stability were evaluated.

[0016]

[Table 2]

[Table 3]

As is clear from the results shown in Tables 2 and 3, the emulsified composition of the present invention has a cosmetic lasting effect, a non-greasy feeling in use, a good emulsion stability, water resistance and oil resistance. It was excellent.

Example 12 (Emulsion) A. Aqueous phase part (1) Amount of purified water 100% by weight (2) Carboxyvinyl polymer 0.2 (3) Glycerin 5.0 (4) 1,3-Butylene glycol 5.0 (5) Perfluoroalkyl phosphate ester 5.0 Diethanolamine salt (6) Preservative proper amount (7) UV absorber proper amount B. Oil phase part (8) Perfluoropolyether 25.0 (9) Methylphenylpolysiloxane 2.5 (10) Dimethylpolysiloxane 2.5 Preparation method (1) to (7) are dissolved by stirring and then (8) to ( 10) was added and treated with a homomixer to obtain an emulsion. This emulsion was excellent in skin improving effect, had a non-greasy feeling in use, had good emulsion stability, and was excellent in oil resistance and water resistance.

Example 13 (Nutrition Cream) A. Aqueous phase part (1) Amount that makes the total amount of purified water 100% by weight (2) Carboxyvinyl polymer 0.2 (3) Preservative proper amount (4) UV absorber proper amount (5) Polyethylene glycol 1500 5 .0 B. Non-Aqueous Phase Part (6) Propylene Glycol 5.0 (7) Glycerin 5.0 (8) Perfluoroalkyl Phosphate Ester 2.0 Diethanolamine Salt (9) Polyoxyethylene (20 mol) Octyldodecyl Ether 0.2. 5 C. Oil phase part (10) Perfluoropolyether 25.0 (11) Stearyl alcohol 5.0 (12) POE (25) Cetyl alcohol ether 1.0 (13) Glycerin monostearate 1.0 (14) Squalane 10. 0 (15) Decamethylpolysiloxane 0.5 (16) Methylphenylpolysiloxane 0.5 Preparation method (6) to (9) were dissolved with stirring, then (10) was added and treated with a homomixer to obtain a non-aqueous gel. It was Dissolve (1) to (5) with stirring to 70
The temperature was adjusted to ° C (aqueous phase). After (11) to (16) were dissolved by stirring at 70 ° C., this was added to the above aqueous phase and treated with a homomixer, and then the above non-aqueous gel was added thereto, and the mixture was stirred and mixed uniformly and then heated. Exchange was performed and a nutrition cream was obtained. This nourishing cream was excellent in skin improving effect, had a non-greasy feeling in use, had good emulsion stability, and was excellent in water resistance and oil resistance.

Example 14 (Foundation) A. Powder (1) Talc 3.0 (2) Titanium dioxide 5.0 (3) Coloring material B. Aqueous phase part (4) Amount that makes the total amount of purified water 100% by weight (5) Bentonite 0.5 (6) Polyoxyethylene (10 mol) 1.0 Oleyl ether (7) Preservative Appropriate amount C.I. Non-aqueous phase part (8) Dipropylene glycol 5.0 (9) 1,3-butylene glycol 5.0 (10) Perfluoroalkyl phosphate ester 5.0 Diethanolamine salt D. Oil Phase 1 (11) Perfluoropolyether 40.0 E.I. Oil phase 2 (12) Octamethylcyclotetrasiloxane 10.0 (13) Silicone resin 5.0 Manufacturing method After stirring and dissolving the non-aqueous phase, the oil phase 1 was added and treated with a homomixer to obtain a non-aqueous gel. . After the aqueous phase was dissolved by stirring, the uniformly dissolved oil phase 2 and the sufficiently pulverized powder part were added, and the non-aqueous gel was added, followed by homomixer treatment to obtain a foundation. This foundation is water resistant,
It had excellent oil resistance, good makeup lasting, non-greasy feel on use, and good emulsion stability.

Example 15 (Toner lotion) A. Aqueous phase (1) Amount that makes the total amount of purified water 100% by weight (2) Ethyl alcohol 8.0 (3) Glycerol 1.0 (4) Preservative proper amount (5) UV absorber proper amount B. Non-aqueous phase part (6) 1,3-butylene glycol 2.5 (7) Propylene glycol 2.5 (8) Perfluoroalkyl phosphate ester 1.0 Diethanolamine salt (9) Perfluoropolyether 5.0 (10 ) Fragrance Suitable amount (11) Dimethylpolysiloxane 20cs 0.05 (12) Octamethylcyclopentasiloxane 0.05

Example 15 (Toner lotion) A. Aqueous phase (1) Amount that makes the total amount of purified water 100% by weight (2) Ethyl alcohol 8.0 (3) Preservative proper amount (4) UV absorber proper amount B. Non-aqueous phase part (5) 1,3-butylene glycol 1.0 (6) Perfluoroalkyl phosphate ester 1.0 Diethanolamine salt (7) Perfluoropolyether 5.0 (8) Perfume proper amount (9) Dimethyl Polysiloxane 20cs 0.05 (10) Octamethylcyclopentasiloxane 0.05 Manufacturing method The aqueous phase portion was stirred and dissolved, and the non-aqueous portion uniformly mixed by a homomixer was added thereto to obtain a lotion. This lotion was excellent in moisturizing effect, had a non-greasy feeling in use, and had good emulsion stability.

[0023]

As described in detail above, according to the present invention, a specific perfluoropolyether, a perfluoroalkylphosphoric acid ester / diethanolamine salt, water, and one or more kinds of silicone are blended. By further adding a polyhydric alcohol to the emulsion composition, the emulsion composition has a dry feel without stickiness, an excellent effect of improving skin roughness, good emulsion stability, and excellent water resistance and oil resistance. It is possible to provide a product.

Claims (3)

[Claims] 1. The following general formula (I): [Wherein R 1 to R 5 are the same or different and each represents a fluorine atom, a perfluoroalkyl group or an oxyperfluoroalkyl group;
Indicates an integer of 0 or more that gives 0 to 10000 (however, p
= Q = r = 0)) and a perfluoropolyether represented by the following general formula (II) (In the formula, m represents an integer of 6 to 18; n is 1 or 2) and a perfluoroalkyl phosphate ester / diethanolamine salt, water, and one or more silicones are blended. An emulsified composition characterized by the following. 2. The emulsion composition according to claim 1, which further comprises one or more polyhydric alcohols. 3. A perfluoroalkyl phosphate ester / diethanolamine salt is dissolved in a polyhydric alcohol, and one or more kinds of perfluoropolyether and silicone are further added to prepare an emulsified gel, and then water is added. The emulsion composition according to claim 2, which is produced by adding an aqueous phase to be blended.