JP2021147342A - Oil-in-water type emulsion composition - Google Patents
Oil-in-water type emulsion composition Download PDFInfo
- Publication number
- JP2021147342A JP2021147342A JP2020046860A JP2020046860A JP2021147342A JP 2021147342 A JP2021147342 A JP 2021147342A JP 2020046860 A JP2020046860 A JP 2020046860A JP 2020046860 A JP2020046860 A JP 2020046860A JP 2021147342 A JP2021147342 A JP 2021147342A
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- JP
- Japan
- Prior art keywords
- component
- oil
- water
- mass
- emulsified composition
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 76
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- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 22
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- LEEDMQGKBNGPDN-UHFFFAOYSA-N 2-methylnonadecane Chemical compound CCCCCCCCCCCCCCCCCC(C)C LEEDMQGKBNGPDN-UHFFFAOYSA-N 0.000 description 2
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- 229910000906 Bronze Inorganic materials 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 2
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
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Abstract
Description
本発明は、水中油型乳化組成物に関する。 The present invention relates to an oil-in-water emulsified composition.
界面活性剤を必要としないエマルションとして、粉体を用いたピッカリングエマルションが知られている。従来、水中油型のピッカリングエマルションを形成するためには、粉体の油相及び水相への濡れ性の観点から、比較的親水性が高い粉体が使用されることが一般的であった。例えば、粉体としてシリカ被覆酸化亜鉛等を用いた水中油型エマルションが知られている(特許文献1参照)。 As an emulsion that does not require a surfactant, a pickering emulsion using powder is known. Conventionally, in order to form an oil-in-water type pickering emulsion, it is common to use a powder having a relatively high hydrophilicity from the viewpoint of the wettability of the powder to the oil phase and the aqueous phase. rice field. For example, an oil-in-water emulsion using silica-coated zinc oxide or the like as a powder is known (see Patent Document 1).
一方、雲母チタンは、光輝性顔料、いわゆるパール顔料として、ファンデーション、アイメイクなどの化粧料に幅広く用いられている。例えば、雲母チタンを顔用化粧料に配合することで、顔の肌色を明るくし、見た目の印象を改善することができる。 On the other hand, mica titanium is widely used in cosmetics such as foundations and eye makeup as a brilliant pigment, a so-called pearl pigment. For example, by blending mica titanium into facial cosmetics, it is possible to brighten the skin color of the face and improve the appearance impression.
しかしながら、本発明者は、雲母チタンは、水相との濡れ性が高すぎ、油相との濡れ性が低すぎることに起因すると考えられるが、従来のピッカリングエマルション組成において、粉体として単に雲母チタンを使用したのみでは、安定的に水中油型のピッカリングエマルションを形成することが困難であることを見出した。 However, the present inventor considers that the mica titanium is caused by too high wettability with the aqueous phase and too low wettability with the oil phase, but in the conventional pickering emulsion composition, it is simply as a powder. It has been found that it is difficult to stably form an oil-in-water type pickering emulsion only by using mica titanium.
従って、本発明の目的は、雲母チタンを粉体として配合した、安定な水中油型のピッカリングエマルションを形成可能な水中油型乳化組成物を提供することにある。 Therefore, an object of the present invention is to provide an oil-in-water emulsified composition capable of forming a stable oil-in-water pickering emulsion containing mica titanium as a powder.
本発明者は、雲母チタンを粉体として配合した場合において、二種の特定の油性成分を用いることによって、安定な水中油型のピッカリングエマルションを形成可能な水中油型乳化組成物が得られることを見出した。本発明はこれらの知見に基づいて完成させたものである。 The present inventor can obtain an oil-in-water emulsified composition capable of forming a stable oil-in-water pickering emulsion by using two specific oily components when mica titanium is blended as a powder. I found that. The present invention has been completed based on these findings.
すなわち、本発明は、下記成分(A)、下記成分(B)、及び下記成分(C)を含有し、上記成分(C)中の水の割合が5.0〜100質量%である水中油型乳化組成物を提供する。
成分(A):雲母チタン
成分(B):下記成分(B1)及び下記成分(B2)を少なくとも含む、炭化水素油、エステル油、シリコーン油、植物油、及び脂肪酸からなる群より選択される油性成分
成分(B1):エステル油及び/又はメチルフェニルポリシロキサン
成分(B2):炭素数12〜18の脂肪酸
成分(C):水、又は、水及びエタノール
That is, the present invention contains the following component (A), the following component (B), and the following component (C), and the proportion of water in the above component (C) is 5.0 to 100% by mass. A mold emulsification composition is provided.
Component (A): Mica titanium Component (B): An oily component selected from the group consisting of hydrocarbon oil, ester oil, silicone oil, vegetable oil, and fatty acid containing at least the following component (B1) and the following component (B2). Component (B1): Ester oil and / or methylphenylpolysiloxane Component (B2): Fatty acid component with 12 to 18 carbon atoms (C): Water or water and ethanol
上記成分(B)は、さらに下記成分(B3)を含むことが好ましい。
成分(B3):シクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコール
The component (B) preferably further contains the following component (B3).
Ingredient (B3): Cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol
上記成分(B3)と上記成分(A)の質量比[成分(B3)/成分(A)]は0.04〜8.0であることが好ましい。 The mass ratio of the component (B3) to the component (A) [component (B3) / component (A)] is preferably 0.04 to 8.0.
上記成分(B2)と上記成分(A)の質量比[成分(B2)/成分(A)]は0.04〜15.0であることが好ましい。 The mass ratio [component (B2) / component (A)] of the component (B2) to the component (A) is preferably 0.04 to 15.0.
上記成分(B)中の上記成分(B1)の割合は10.0〜95.0質量%であることが好ましい。 The ratio of the above component (B1) to the above component (B) is preferably 10.0 to 95.0% by mass.
上記成分(A)と上記成分(B)の質量比[成分(A)/成分(B)]は0.03〜5.0であることが好ましい。 The mass ratio [component (A) / component (B)] of the component (A) to the component (B) is preferably 0.03 to 5.0.
上記成分(B)の含有割合は0.1〜70.0質量%であることが好ましい。 The content ratio of the component (B) is preferably 0.1 to 70.0% by mass.
上記成分(C)の含有割合は5.0〜95.0質量%であることが好ましい。 The content ratio of the component (C) is preferably 5.0 to 95.0% by mass.
上記水中油型乳化組成物中の界面活性剤の含有割合は0.3質量%以下であることが好ましい。 The content ratio of the surfactant in the oil-in-water emulsified composition is preferably 0.3% by mass or less.
本発明の水中油型乳化組成物によれば、粉体として雲母チタンを配合した、安定な水中油型のピッカリングエマルションが得られる。 According to the oil-in-water emulsification composition of the present invention, a stable oil-in-water pickering emulsion containing titanium mica as a powder can be obtained.
本発明の水中油型乳化組成物は、雲母チタンと、エステル油及び/又はメチルフェニルポリシロキサン、並びに炭素数12〜18の脂肪酸を少なくとも含む、炭化水素油、エステル油、シリコーン油、植物油、及び脂肪酸からなる群より選択される油性成分と、水を少なくとも含む。また、本発明の水中油型乳化組成物は、エタノールを含んでいてもよい。 The oil-in-water emulsified composition of the present invention contains at least mica titanium, ester oil and / or methylphenylpolysiloxane, and fatty acids having 12 to 18 carbon atoms, such as hydrocarbon oils, ester oils, silicone oils, vegetable oils, and vegetable oils. It contains at least water and an oily component selected from the group consisting of fatty acids. Further, the oil-in-water emulsified composition of the present invention may contain ethanol.
なお、本明細書において、雲母チタンを「成分(A)」と称する場合がある。また、エステル油及び/又はメチルフェニルポリシロキサンを「成分(B1)」、炭素数12〜18の脂肪酸を「成分(B2)」とそれぞれ称する場合がある。そして、上記成分(B1)及び上記成分(B2)を少なくとも含む、炭化水素油、エステル油、シリコーン油、植物油、及び脂肪酸からなる群より選択される油性成分を「成分(B)」と称する場合がある。また、本発明の水中油型乳化組成物がエタノールを含まない場合は水を、本発明の水中油型乳化組成物がエタノールを含む場合は水及びエタノールを、「成分(C)」と称する場合がある。 In this specification, mica titanium may be referred to as "component (A)". Further, the ester oil and / or methylphenylpolysiloxane may be referred to as "component (B1)", and the fatty acid having 12 to 18 carbon atoms may be referred to as "component (B2)". When an oily component selected from the group consisting of hydrocarbon oil, ester oil, silicone oil, vegetable oil, and fatty acid containing at least the above component (B1) and the above component (B2) is referred to as "component (B)". There is. When the oil-in-water emulsification composition of the present invention does not contain ethanol, water is referred to, and when the oil-in-water emulsification composition of the present invention contains ethanol, water and ethanol are referred to as "component (C)". There is.
本発明の水中油型乳化組成物は、上記成分(B)として、さらにシクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコールを含むことが好ましい。なお、本明細書において、シクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコールを「成分(B3)」と称する場合がある。 The oil-in-water emulsified composition of the present invention preferably further contains cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol as the component (B). In the present specification, cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol may be referred to as "component (B3)".
すなわち、本発明の水中油型乳化組成物は、成分(A)、成分(B)、及び成分(C)を少なくとも含む。また、成分(B)は、成分(B1)及び成分(B2)を少なくとも含み、成分(B3)を含むことが好ましい。本発明の水中油型乳化組成物は、上記成分(A)〜(C)以外の成分を含んでいてもよい。また、本発明の水中油型乳化組成物に含まれる各成分、例えば、成分(A)、成分(B1)、成分(B2)、成分(C)、及び他の成分などの各成分は、それぞれ、一種のみを用いてもよいし、二種以上を用いてもよい。 That is, the oil-in-water emulsified composition of the present invention contains at least the component (A), the component (B), and the component (C). Further, the component (B) preferably contains at least the component (B1) and the component (B2), and preferably contains the component (B3). The oil-in-water emulsified composition of the present invention may contain components other than the above components (A) to (C). In addition, each component contained in the oil-in-water emulsified composition of the present invention, for example, each component such as component (A), component (B1), component (B2), component (C), and other components, respectively. , Only one kind may be used, or two or more kinds may be used.
本発明の水中油型乳化組成物は、ピッカリングエマルションである、水中油型(O/W型)エマルション層を少なくとも有する。本発明の水中油型乳化組成物は、上記O/W型エマルション層とそれ以外の層を有していてもよい。上記それ以外の層としては、例えば、O/Wエマルションのマトリックスである水相がO/Wエマルション相との比重差によって、分離したものなどが挙げられる。 The oil-in-water emulsion composition of the present invention has at least an oil-in-water (O / W type) emulsion layer which is a pickering emulsion. The oil-in-water emulsified composition of the present invention may have the above-mentioned O / W type emulsion layer and other layers. Examples of the other layers include those in which the aqueous phase, which is the matrix of the O / W emulsion, is separated by the difference in specific gravity from the O / W emulsion phase.
[成分(A)]
成分(A)は、雲母チタンである。雲母チタンは、天然の雲母(マイカ)粒子の表面が酸化チタン(主として二酸化チタン)によって被覆されている。成分(A)は、例えば、表面処理が施されていない雲母チタンが挙げられる。成分(A)は、一種のみを用いてもよいし、二種以上を用いてもよい。
[Ingredient (A)]
The component (A) is mica titanium. In mica titanium, the surface of natural mica particles is coated with titanium oxide (mainly titanium dioxide). As the component (A), for example, mica titanium which has not been surface-treated can be mentioned. As the component (A), only one kind may be used, or two or more kinds may be used.
成分(A)の市販品としては、商品名「Ronaflair Extender W」、商品名「Bronze Fine」、商品名「Colorona Bronze」、商品名「Bronze Fine」、商品名「Bronze Sparkle」、商品名「Copper」、商品名「Sienna」(以上、メルク社製)などが挙げられる。 Commercially available products of the component (A) include the product name "Ronaflair Extender W", the product name "Bronze Fine", the product name "Colorona Bronze", the product name "Bronze Fine", the product name "Bronze Sparkle", and the product name "Copper". , The product name "Sienna" (above, manufactured by Merck Co., Ltd.) and the like.
本発明の水中油型乳化組成物中の成分(A)の含有割合は、特に限定されないが、本発明の水中油型乳化組成物100質量%に対して、0.1〜10.0質量%が好ましく、より好ましくは0.5〜8.0質量%、さらに好ましくは1.0〜6.0質量%である。上記下限以上とすることにより、成分(A)による顔の肌色を明るくする効果がより一層高くなり、上記上限以下とすることにより、成分(A)による軋み感がより一層低減される。 The content ratio of the component (A) in the oil-in-water emulsified composition of the present invention is not particularly limited, but is 0.1 to 10.0% by mass with respect to 100% by mass of the oil-in-water emulsified composition of the present invention. Is preferable, and more preferably 0.5 to 8.0% by mass, still more preferably 1.0 to 6.0% by mass. When the content is at least the above lower limit, the effect of the component (A) on brightening the skin color of the face is further enhanced, and when the content is at least the above upper limit, the squeaky feeling due to the component (A) is further reduced.
成分(A)と成分(B)の質量比[成分(A)/成分(B)]は、特に限定されないが、0.03〜5.0であることが好ましく、より好ましくは0.05〜4.0である。上記質量比が上記範囲内であると、O/W型のピッカリングエマルションをより安定的に形成することができる。 The mass ratio of the component (A) to the component (B) [component (A) / component (B)] is not particularly limited, but is preferably 0.03 to 5.0, and more preferably 0.05 to 5.0. It is 4.0. When the mass ratio is within the above range, an O / W type pickering emulsion can be formed more stably.
[成分(B)]
成分(B)は、炭化水素油、エステル油、シリコーン油、植物油、及び脂肪酸からなる群より選択される油性成分である。成分(B)は、エステル油及び/又はメチルフェニルポリシロキサン[成分(B1)]及び炭素数12〜18の脂肪酸[成分(B2)]を少なくとも含む。上述のように、成分(B)は、さらにシクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコール[成分(B3)]を含むことが好ましい。成分(B)は、成分(B1)〜(B3)のみから構成されていてもよいし、成分(B1)〜(B3)に加えてその他の成分(B)を含んでいてもよい。成分(B1)〜(B3)以外の成分(B)は、配合されていなくてもよいし、一種のみを用いてもよいし、二種以上を用いてもよい。
[Component (B)]
The component (B) is an oily component selected from the group consisting of hydrocarbon oils, ester oils, silicone oils, vegetable oils, and fatty acids. The component (B) contains at least an ester oil and / or a methylphenylpolysiloxane [component (B1)] and a fatty acid having 12 to 18 carbon atoms [component (B2)]. As described above, the component (B) preferably further contains cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol [component (B3)]. The component (B) may be composed of only the components (B1) to (B3), or may contain other components (B) in addition to the components (B1) to (B3). The component (B) other than the components (B1) to (B3) may not be blended, only one kind may be used, or two or more kinds may be used.
成分(B)は、エマルションにおける油相を形成する。成分(B2)は成分(A)の表面改質剤として作用すると推定され、また油性成分の極性を高める。これにより、粉体として成分(A)を用いたO/W型のピッカリングエマルションを安定的に形成することができるものと推測される。また、成分(B3)も、成分(B2)と同様に、成分(A)の表面改質剤として作用すると推定され、また油性成分の極性を高める。このため、成分(B2)と成分(B3)の相乗効果により、粉体として成分(A)を用いたO/W型のピッカリングエマルションをより安定なものとすることができる。特にピッカリングエマルションの油水界面への成分(A)の付着率が著しく向上する。
一方、成分(B1)は極性油であり、成分(B2)や成分(B3)との親和性が高いため、成分(B2)や成分(B3)との相溶性に優れ、また成分(B2)が固形である場合は成分(B2)の溶解性に優れ、油相の分離が抑制される。これにより、粉体として成分(A)を用いたO/W型のピッカリングエマルションを安定的に形成することができるものと推測される。
The component (B) forms an oil phase in the emulsion. The component (B2) is presumed to act as a surface modifier for the component (A) and also enhances the polarity of the oily component. It is presumed that this makes it possible to stably form an O / W type pickering emulsion using the component (A) as the powder. Further, the component (B3) is also presumed to act as a surface modifier of the component (A) in the same manner as the component (B2), and also enhances the polarity of the oily component. Therefore, due to the synergistic effect of the component (B2) and the component (B3), the O / W type pickering emulsion using the component (A) as the powder can be made more stable. In particular, the adhesion rate of the component (A) to the oil-water interface of the pickering emulsion is remarkably improved.
On the other hand, since the component (B1) is a polar oil and has a high affinity with the component (B2) and the component (B3), it has excellent compatibility with the component (B2) and the component (B3), and the component (B2). When is solid, the solubility of the component (B2) is excellent, and the separation of the oil phase is suppressed. It is presumed that this makes it possible to stably form an O / W type pickering emulsion using the component (A) as the powder.
上記炭化水素油としては、例えば、α−オレフィンオリゴマー、ワセリン、イソパラフィン、軽質イソパラフィン、軽質流動イソパラフィン、スクワラン、合成スクワラン、植物性スクワラン、流動イソパラフィン、流動パラフィン、水添ポリイソブテン、水添(テトラデセニル/メチルペンタデセン)、イソドデカンなどが挙げられる。 Examples of the hydrocarbon oil include α-olefin oligomer, petrolatum, isoparaffin, light isoparaffin, light liquid isoparaffin, squalane, synthetic squalane, vegetable squalane, liquid isoparaffin, liquid paraffin, hydrogenated polyisobutene, and hydrogenated (tetradecenyl / methyl). Pentadecene), isododecane, etc.
成分(B1)に該当する上記エステル油としては、例えば、オクタン酸セチル、オレイン酸エチル、ミリスチン酸イソプロピル、パルミチン酸イソプロピル、ミリスチン酸ミリスチル、パルミチン酸セチル、パルミチン酸2−エチルヘキシル、ミリスチン酸オクチルドデシル、イソステアリン酸イソプロピル、イソステアリン酸プロピレングリコール、2−エチルヘキサン酸セチル、2−エチルヘキサン酸グリセリル、トリ2−エチルヘキサン酸グリセリル、トリ(カプリル酸/カプリン酸)グリセリル、イソノナン酸イソノニル、アジピン酸イソプロピル、アジピン酸ジイソプロピル、アジピン酸ジイソブチル、アジピン酸ジエチルヘキシル、テトラオクタン酸ペンタエリスリチル、テトライソステアリン酸ペンタエリトリット、リンゴ酸ジイソステアリル、トリエチルヘキサン酸エリスリチル、ヒドロキシステアリン酸2−エチルヘキシル、ヘキサ(ヒドロキシステアリン酸/ステアリン酸/ロジン酸)ジペンタエリスリチル、テトラ(ヒドロキシステアリン酸/イソステアリン酸)ジペンタエリスリチル、ヘキサヒドロキシステアリン酸ジペンタエリスリチル、(エチルヘキサン酸/ステアリン酸/アジピン酸)グリセリル、トリ(カプリル酸/カプリン酸/ミリスチン酸/ステアリン酸)グリセリル、ヘキサ(ベヘン酸/安息香酸/エチルヘキサン酸)ジペンタエリスリチル、安息香酸アルキル(C12−15)などが挙げられる。 Examples of the ester oil corresponding to the component (B1) include cetyl octanoate, ethyl oleate, isopropyl myristate, isopropyl palmitate, myristyl myristate, cetyl palmitate, 2-ethylhexyl palmitate, and octyldodecyl myristate. Isopropyl isostearate, propylene glycol isostearate, cetyl 2-ethylhexanoate, glyceryl 2-ethylhexanoate, glyceryl tri2-ethylhexarate, glyceryl tri (caprylic acid / capric acid), isononyl isononanoate, isopropyl adipate, adipine Diisopropyl acid, diisobutyl adipate, diethylhexyl adipate, pentaerythrityl tetraoctanoate, pentaerythrit tetraisostearate, diisostearyl malate, erythrityl triethylhexanoate, 2-ethylhexyl hydroxystearate, hexa (hydroxystearic acid / Steeric acid / logonic acid) dipentaerythrityl, tetra (hydroxystearic acid / isostearic acid) dipentaerythrityl, hexahydroxystearate dipentaerythrityl, (ethylhexanoic acid / stearic acid / adipic acid) glyceryl, tri (caprylic acid / capric acid / myristic acid / stearer) Acids) glyceryl, hexa (bechenic acid / benzoic acid / ethylhexanoic acid) dipentaerythrityl, alkyl benzoate (C12-15) and the like.
上記シリコーン油としては、例えば、メチルポリシロキサン(ジメチコン)、高重合メチルポリシロキサンなどのジメチルシリコーン油;メチルフェニルポリシロキサン(成分(B1)に該当)などのメチルフェニルシリコーン油;メチルシクロポリシロキサン、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサンなどの環状シリコーン油;アミノプロピルメチルシロキサン・ジメチルシロキサン共重合体、アミノエチルアミノプロピルシロキサン・ジメチルシロキサン共重合体、アミノエチルアミノプロピルメチルシロキサン・ジメチルシロキサン共重合体などのアミノ変性シリコーン、カルボキシ変性シリコーン、脂肪酸変性シリコーン、アルコール変性シリコーン、脂肪族アルコール変性シリコーン、エポキシ変性シリコーン、フッ素変性シリコーン、アルキル変性シリコーンなどの変性シリコーン;メチルハイドロジェンポリシロキサン、ジメチコノールなどが挙げられる。 Examples of the silicone oil include dimethyl silicone oils such as methyl polysiloxane (dimethicone) and highly polymerized methyl polysiloxane; methylphenyl silicone oils such as methylphenyl polysiloxane (corresponding to component (B1)); methylcyclopolysiloxane, Cyclic silicone oils such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane; aminopropylmethylsiloxane / dimethylsiloxane copolymer, aminoethylaminopropylsiloxane / dimethylsiloxane copolymer, aminoethylaminopropyl Amino-modified silicones such as methylsiloxane / dimethylsiloxane copolymer, carboxy-modified silicones, fatty acid-modified silicones, alcohol-modified silicones, aliphatic alcohol-modified silicones, epoxy-modified silicones, fluorine-modified silicones, alkyl-modified silicones and other modified silicones; Examples include gempolysiloxane and dimethiconol.
上記植物油としては、例えば、マカデミアナッツ油、ユーカリ油、ヤシ油、アボカド油、サフラワー油、オリーブ油、パーム油、パーム核油、ククイナッツ油、シア脂(シアバター)、カカオバター、アーモンド油、ヒマワリ油、ローズヒップ油、オリーブスクワラン、カメリアオイル、キウイフルーツシード油、ツバキ油、杏仁油、ゴマ油、大豆油、ホホバ油、ヒマシ油、ヘーゼルナッツ油、メドホーム油、ハッカ油、アルガンオイル、カロットオイル、ラベンダー油、シュガースクワラン、ダマスクバラ花ロウ、センチフォリアバラ花ロウ、ソケイ花ワックス、これらの水素添加物(例えば、水素添加ヒマシ油、水素添加ホホバ油、水素添加パーム油、水素添加アボカド油、水素添加大豆油等)などが挙げられる。 Examples of the vegetable oils include macadamia nut oil, eucalyptus oil, palm oil, avocado oil, saflower oil, olive oil, palm oil, palm kernel oil, kukui nut oil, shea butter, cacao butter, almond oil, and sunflower oil. , Rosehip oil, olive squalane, camellia oil, kiwi fruit seed oil, camellia oil, apricot oil, sesame oil, soybean oil, jojoba oil, castor oil, hazelnut oil, medhome oil, peppermint oil, argan oil, carrot oil, lavender oil , Sugar squalane, damask rose flower wax, centifolia rose flower wax, sokei flower wax, these hydrogenated additives (eg hydrogenated castor oil, hydrogenated jojoba oil, hydrogenated palm oil, hydrogenated avocado oil, hydrogenated large Soybean oil, etc.).
上記脂肪酸としては、例えば、炭素数が12〜22(より好ましくは12〜18、さらに好ましくは16〜18)の脂肪酸が好ましく、例えば、ミリスチン酸、パルミチン酸、ステアリン酸、イソステアリン酸、ヒドロキシステアリン酸、ラウリン酸、ラノリン酸、ベヘニン酸、リノール酸、オレイン酸などが挙げられる。 As the fatty acid, for example, a fatty acid having 12 to 22 carbon atoms (more preferably 12 to 18, still more preferably 16 to 18) is preferable, and for example, myristic acid, palmitic acid, stearic acid, isostearic acid, hydroxystearic acid. , Lauric acid, lanophosphate, behenic acid, linoleic acid, oleic acid and the like.
成分(B2)としては、25℃で流動性を有するもの及びラウリン酸が好ましく、より好ましくはラウリン酸、イソステアリン酸、リノール酸、オレイン酸、さらに好ましくはラウリン酸である。25℃で流動性を有するもの及びラウリン酸は、成分(B1)との相溶性により優れ、成分(B2)を用いることの効果をより発揮しやすく、また油相の分離がより生じにくい。成分(B2)は、一種のみを用いてもよいし、二種以上を用いてもよい。 As the component (B2), those having fluidity at 25 ° C. and lauric acid are preferable, and lauric acid, isostearic acid, linoleic acid, oleic acid, and further preferably lauric acid are preferable. Those having fluidity at 25 ° C. and lauric acid are more excellent in compatibility with the component (B1), more easily exert the effect of using the component (B2), and the separation of the oil phase is less likely to occur. As the component (B2), only one kind may be used, or two or more kinds may be used.
成分(B)中の成分(B1)の割合は、特に限定されないが、成分(B)100質量%に対して、10.0〜95.0質量%が好ましく、より好ましくは10.0〜90.0質量%、さらに好ましくは20.0〜80.0質量%である。上記割合が上記範囲内であると、成分(B2)や成分(B3)との親和性が高くなり、より安定的にO/W型のピッカリングエマルションを形成できる。 The ratio of the component (B1) to the component (B) is not particularly limited, but is preferably 10.0 to 95.0% by mass, more preferably 10.0 to 90% by mass, based on 100% by mass of the component (B). It is 0.0% by mass, more preferably 20.0 to 80.0% by mass. When the above ratio is within the above range, the affinity with the component (B2) and the component (B3) becomes high, and an O / W type pickering emulsion can be formed more stably.
成分(B2)と成分(A)の質量比[成分(B2)/成分(A)]は、特に限定されないが、0.04以上であることが好ましく、より好ましくは0.07以上である。また、上記質量比は、15.0以下であることが好ましく、より好ましくは5.0以下、さらに好ましくは1.0以下である。上記質量比が0.04以上であると、成分(B2)による成分(A)の表面改質の効果がより一層高くなるためと推定されるが、成分(A)を用いたO/W型のピッカリングエマルションをより安定的に形成することができる。また、上記質量比が15.0以下であると、成分(B2)による油性成分の極性をある程度の高さに調節できるためと推定されるが、成分(A)を用いたO/W型のピッカリングエマルションをより安定的に形成することができる。 The mass ratio of the component (B2) to the component (A) [component (B2) / component (A)] is not particularly limited, but is preferably 0.04 or more, and more preferably 0.07 or more. The mass ratio is preferably 15.0 or less, more preferably 5.0 or less, still more preferably 1.0 or less. When the mass ratio is 0.04 or more, it is presumed that the effect of surface modification of the component (A) by the component (B2) is further enhanced, but it is presumed that the O / W type using the component (A) is used. The pickering emulsion can be formed more stably. Further, when the mass ratio is 15.0 or less, it is presumed that the polarity of the oily component by the component (B2) can be adjusted to a certain height, but the O / W type using the component (A) The pickering emulsion can be formed more stably.
成分(B3)と成分(A)の質量比[成分(B3)/成分(A)]は、特に限定されないが、0.04以上であることが好ましく、より好ましくは0.07以上である。また、上記質量比は、8.0以下であることが好ましく、より好ましくは5.0以下、さらに好ましくは1.0以下である。上記質量比が0.04以上であると、成分(B3)による成分(A)の表面改質の効果がより一層高くなるためと推定されるが、成分(A)を用いたO/W型のピッカリングエマルションをより安定的に形成することができる。また、上記質量比が8.0以下であると、成分(B3)による油性成分の極性をある程度の高さに調節できるためと推定されるが、成分(A)を用いたO/W型のピッカリングエマルションをより安定的に形成することができる。 The mass ratio of the component (B3) to the component (A) [component (B3) / component (A)] is not particularly limited, but is preferably 0.04 or more, and more preferably 0.07 or more. The mass ratio is preferably 8.0 or less, more preferably 5.0 or less, still more preferably 1.0 or less. When the mass ratio is 0.04 or more, it is presumed that the effect of surface modification of the component (A) by the component (B3) is further enhanced, but it is presumed that the O / W type using the component (A) is used. The pickering emulsion can be formed more stably. Further, when the mass ratio is 8.0 or less, it is presumed that the polarity of the oily component by the component (B3) can be adjusted to a certain height, but the O / W type using the component (A) The pickering emulsion can be formed more stably.
成分(B)中の成分(B2)の割合は、特に限定されないが、成分(B)100質量%に対して、4.0〜90.0質量%が好ましく、より好ましくは5.0〜80.0質量%である。上記割合が上記範囲内であると、より安定的にO/W型のピッカリングエマルションを形成できる。 The ratio of the component (B2) in the component (B) is not particularly limited, but is preferably 4.0 to 90.0% by mass, more preferably 5.0 to 80% by mass with respect to 100% by mass of the component (B). It is 0.0% by mass. When the above ratio is within the above range, an O / W type pickering emulsion can be formed more stably.
本発明の水中油型乳化組成物中の成分(B)の含有割合は、特に限定されないが、本発明の水中油型乳化組成物100質量%に対して、0.1〜70.0質量%が好ましく、より好ましくは0.5〜60.0質量%である。上記含有割合が上記範囲内であると、より安定的にO/W型のピッカリングエマルションを形成できる。 The content ratio of the component (B) in the oil-in-water emulsified composition of the present invention is not particularly limited, but is 0.1 to 70.0% by mass with respect to 100% by mass of the oil-in-water emulsified composition of the present invention. Is preferable, and more preferably 0.5 to 60.0% by mass. When the content ratio is within the above range, an O / W type pickering emulsion can be formed more stably.
[成分(C)]
成分(C)は水、又は、水及びエタノールである。言い換えると、本発明の水中油型乳化組成物がエタノールを含まない場合の成分(C)は水であり、本発明の水中油型乳化組成物がエタノールを含む場合の成分(C)は水及びエタノールである。水は、特に限定されないが、精製水が好ましい。
[Component (C)]
The component (C) is water, or water and ethanol. In other words, the component (C) when the oil-in-water emulsification composition of the present invention does not contain ethanol is water, and the component (C) when the oil-in-water emulsification composition of the present invention contains ethanol is water and Ethanol. The water is not particularly limited, but purified water is preferable.
成分(C)は、本発明の水中油型乳化組成物におけるO/W型のピッカリングエマルションの水相(マトリックス)を形成する成分である。エタノールは、水に可溶であり水と共に水相を形成する。さらに、本発明の水中油型乳化組成物に防腐性や塗布後の速乾性を付与する。 The component (C) is a component that forms the aqueous phase (matrix) of the O / W type pickering emulsion in the oil-in-water emulsified composition of the present invention. Ethanol is soluble in water and forms an aqueous phase with water. Further, the oil-in-water emulsified composition of the present invention is imparted with antiseptic properties and quick-drying properties after application.
成分(C)中の水の割合は、成分(C)100質量%に対して、5.0〜100質量%であり、使用感や低刺激性の観点から、好ましくは20.0〜100質量%、より好ましくは60.0〜100質量%である。水相中のエタノールが多すぎる場合には、O/W型のピッカリングエマルションを形成しない。 The ratio of water in the component (C) is 5.0 to 100% by mass with respect to 100% by mass of the component (C), and is preferably 20.0 to 100% by mass from the viewpoint of usability and hypoallergenicity. %, More preferably 60.0 to 100% by mass. If there is too much ethanol in the aqueous phase, an O / W type pickering emulsion will not be formed.
本発明の水中油型乳化組成物中の成分(C)の含有割合は、特に限定されないが、本発明の水中油型乳化組成物100質量%に対して、5.0〜95.0質量%が好ましく、より好ましくは10.0〜90.0質量%、さらに好ましくは30.0〜80.0質量%である。上記含有割合が上記範囲内であると、より安定的にO/W型のピッカリングエマルションを形成できる。 The content ratio of the component (C) in the oil-in-water emulsified composition of the present invention is not particularly limited, but is 5.0 to 95.0% by mass with respect to 100% by mass of the oil-in-water emulsified composition of the present invention. Is preferable, more preferably 10.0 to 90.0% by mass, and even more preferably 30.0 to 80.0% by mass. When the content ratio is within the above range, an O / W type pickering emulsion can be formed more stably.
本発明の水中油型乳化組成物は、さらに、電解質を含んでいてもよい。成分(A)は組成物中の電解質の影響を受けにくい。このため、本発明の水中油型乳化組成物は、電解質を比較的高い濃度で配合することができる。また、電解質により、成分(A)の負電荷が中和され正電荷のみが残ることで、成分(A)の油水界面への吸着が促進されると推定される。 The oil-in-water emulsified composition of the present invention may further contain an electrolyte. The component (A) is not easily affected by the electrolyte in the composition. Therefore, the oil-in-water emulsified composition of the present invention can contain an electrolyte at a relatively high concentration. Further, it is presumed that the electrolyte neutralizes the negative charge of the component (A) and leaves only the positive charge, thereby promoting the adsorption of the component (A) to the oil-water interface.
上記電解質としては、例えば、金属塩(例えば、一価の金属塩、二価以上の多価金属塩等)などが挙げられる。上記金属塩は、無機塩であってもよいし、有機塩であってもよい。上記金属塩としては、例えば、ナトリウム塩、カリウム塩、カルシウム塩、マグネシウム塩、亜鉛塩、アンモニウム塩、アルミニウム塩などが挙げられる。上記電解質としては、具体的には、パラフェノールスルホン酸亜鉛、塩化ナトリウム、塩化カリウム、塩化カルシウム、塩化マグネシウム、硫酸マグネシウム、ミョウバン、炭酸ナトリウム、炭酸水素ナトリウム、炭酸水素カリウム、塩化アンモニウム、リン酸ナトリウム、リン酸水素二ナトリウム、リン酸二水素ナトリウム、クエン酸ナトリウム(クエン酸三ナトリウム)、エデト酸二ナトリウム、硫酸アルミニウムカリウム、乳酸ナトリウム、乳酸マグネシウムなどが挙げられる。また、塩化ベンザルコニウム、クロルヒドロキシアルミニウムも挙げられる。上記電解質は、一種のみを用いてもよいし、二種以上を用いてもよい。 Examples of the electrolyte include metal salts (for example, monovalent metal salts, divalent or higher polyvalent metal salts, etc.). The metal salt may be an inorganic salt or an organic salt. Examples of the metal salt include sodium salt, potassium salt, calcium salt, magnesium salt, zinc salt, ammonium salt, aluminum salt and the like. Specific examples of the electrolyte include zinc paraphenol sulfonate, sodium chloride, potassium chloride, calcium chloride, magnesium chloride, magnesium sulfate, myoban, sodium carbonate, sodium hydrogencarbonate, potassium hydrogencarbonate, ammonium chloride, and sodium phosphate. , Disodium hydrogen phosphate, sodium dihydrogen phosphate, sodium citrate (trisodium citrate), disodium edetate, potassium aluminum sulfate, sodium lactate, magnesium lactate and the like. Further, benzalkonium chloride and chlorohydroxyaluminum can also be mentioned. As the above-mentioned electrolyte, only one kind may be used, or two or more kinds may be used.
本発明の水中油型乳化組成物中の電解質の含有割合は、特に限定されないが、本発明の水中油型乳化組成物100質量%に対して、例えば、0.1質量%以上であってもよく、1.0質量%以上であってもよい。また、上記含有割合は、本発明の水中油型乳化組成物100質量%に対して、15.0質量%以下であることが好ましく、より好ましくは10.0質量%以下である。 The content ratio of the electrolyte in the oil-in-water emulsified composition of the present invention is not particularly limited, but may be, for example, 0.1% by mass or more with respect to 100% by mass of the oil-in-water emulsified composition of the present invention. It may be 1.0% by mass or more. The content ratio is preferably 15.0% by mass or less, more preferably 10.0% by mass or less, based on 100% by mass of the oil-in-water emulsified composition of the present invention.
本発明の水中油型乳化組成物は、ピッカリングエマルションの安定性の観点から、界面活性剤を少量しか含まない又は実質的に含まないことが好ましい。本発明の水中油型乳化組成物中の界面活性剤の含有割合は、特に限定されないが、本発明の水中油型乳化組成物100質量%に対して、0.3質量%以下(例えば、0〜0.3質量%)が好ましく、より好ましくは0.1質量%以下、さらに好ましくは0.01質量%以下、特に好ましくは0質量%である。上記含有割合が0.3質量%以下であると、形成されたO/W型のピッカリングエマルションがより安定的に存在することができる。また、本発明の水中油型乳化組成物を化粧料組成物として使用する場合、塗布時のべたつき、ぬるつき、皮膚への刺激を抑制することができる。 From the viewpoint of the stability of the pickering emulsion, the oil-in-water emulsified composition of the present invention preferably contains only a small amount or substantially no surfactant. The content ratio of the surfactant in the oil-in-water emulsified composition of the present invention is not particularly limited, but is 0.3% by mass or less (for example, 0) with respect to 100% by mass of the oil-in-water emulsified composition of the present invention. ~ 0.3% by mass), more preferably 0.1% by mass or less, still more preferably 0.01% by mass or less, and particularly preferably 0% by mass. When the content ratio is 0.3% by mass or less, the formed O / W type pickering emulsion can be present more stably. Further, when the oil-in-water emulsified composition of the present invention is used as a cosmetic composition, stickiness, sliminess and irritation to the skin at the time of application can be suppressed.
上記界面活性剤としては、ノニオン性界面活性剤、アニオン性界面活性剤、カチオン性界面活性剤、両性界面活性剤が挙げられる。ノニオン性界面活性剤としては、例えば、ソルビタン脂肪酸エステル、グリセリン脂肪酸エステル、及びこれらのアルキレンオキシド付加物、ポリオキシアルキレンアルキルエーテル、ポリオキシアルキレン脂肪酸エステル、ポリオキシアルキレンアルキルフェノール、ポリオキシエチレンソルビット脂肪酸エステル、ポリオキシエチレンアルキルフェニルホルムアルデヒド縮合物、ポリオキシエチレンステロール及びその誘導体、ポリオキシエチレンラノリン及びその誘導体、ポリオキシエチレンミツロウ誘導体、シュガーエステル類、ポリオキシエチレン硬化ヒマシ油、ポリオキシエチレンヒマシ油などが挙げられる。アニオン性界面活性剤としては、例えば、高級脂肪酸石鹸、アルキル硫酸エステル塩、アルキルリン酸塩、ポリオキシエチレンアルキルエーテル硫酸塩、ポリオキシエチレンアルキルフェニルエーテル硫酸塩、アルキルエーテルリン酸エステル、アルキルエーテルカルボン酸塩、アシルメチルタウリン塩、N−アシル−N−メチル−β−アラニン塩、N−アシルグリシン塩、N−アシルグルタミン酸塩、ポリオキシエチレンアルキルカルボン酸塩、アルキルフェニルエーテルスルホン酸塩、アルキルスルホコハク酸及びその塩、N−アシルサルコシン及びその塩、ポリオキシエチレンヤシ油脂肪酸モノエタノールアミド硫酸塩などが挙げられる。カチオン性界面活性剤としては、例えば、アルキルアミン塩、脂肪酸アミドアミン塩、エステル含有第3級アミン塩などのアミン塩、モノアルキル型第4級アンモニウム塩、ジアルキル型第4級アンモニウム塩、トリアルキル型第4級アンモニウム塩、ベンザルコニウム型第4級アンモニウム塩などのアルキル第4級アンモニウム塩、アルキルピリジニウム塩などの環式第4級アンモニウム塩、塩化ベンゼトニウムなどが挙げられる。両性界面活性剤としては、アルキルグリシン塩、カルボキシメチルグリシン塩、N−アシルアミノエチル−N−2−ヒドロキシエチルグリシン塩などのグリシン型両性界面活性剤、アルキルアミノプロピオン酸塩、アルキルイミノジプロピオン酸塩などのアミノプロピオン酸型両性界面活性剤、アルキルジメチルアミノ酢酸ベタイン、脂肪酸アミドプロピルジメチルアミノ酢酸ベタインなどのアミノ酢酸ベタイン型両性界面活性剤、アルキルヒドロキシスルホベタインなどのスルホベタイン型両性界面活性剤などが挙げられる。 Examples of the surfactant include nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants. Examples of nonionic surfactants include sorbitan fatty acid esters, glycerin fatty acid esters, and alkylene oxide adducts thereof, polyoxyalkylene alkyl ethers, polyoxyalkylene fatty acid esters, polyoxyalkylene alkyl phenols, and polyoxyethylene sorbit fatty acid esters. Polyoxyethylene alkylphenyl formaldehyde condensate, polyoxyethylene sterol and its derivatives, polyoxyethylene lanolin and its derivatives, polyoxyethylene beeswax derivatives, sugar esters, polyoxyethylene cured castor oil, polyoxyethylene castor oil, etc. Be done. Examples of anionic surfactants include higher fatty acid soaps, alkyl sulfates, alkyl phosphates, polyoxyethylene alkyl ether sulfates, polyoxyethylene alkyl phenyl ether sulfates, alkyl ether phosphates, and alkyl ether carboxylics. Acids, acylmethyltaurine salts, N-acyl-N-methyl-β-alanine salts, N-acylglycine salts, N-acylglutamates, polyoxyethylene alkylcarboxylates, alkylphenyl ether sulfonates, alkyl sulfosuccinates Acids and salts thereof, N-acylsarcosine and salts thereof, polyoxyethylene palm oil fatty acid monoethanolamide sulfate and the like can be mentioned. Examples of the cationic surfactant include amine salts such as alkylamine salts, fatty acid amidamine salts, and ester-containing tertiary amine salts, monoalkyl type quaternary ammonium salts, dialkyl type quaternary ammonium salts, and trialkyl type. Examples thereof include quaternary ammonium salts, alkyl quaternary ammonium salts such as benzalconium type quaternary ammonium salts, cyclic quaternary ammonium salts such as alkyl pyridinium salts, and benzethonium chloride. Examples of amphoteric surfactants include glycine-type amphoteric surfactants such as alkylglycin salts, carboxymethyl glycine salts, and N-acylaminoethyl-N-2-hydroxyethyl glycine salts, alkylaminopropionates, and alkyliminodipropionic acids. Aminopropionic acid type amphoteric surfactant such as salt, alkyldimethylaminoacetic acid betaine, aminoacetate betaine type amphoteric surfactant such as fatty acid amidepropyldimethylaminoacetic acid betaine, sulfobetaine type amphoteric surfactant such as alkylhydroxysulfobetaine, etc. Can be mentioned.
本発明の水中油型乳化組成物は、多価アルコールを含んでいてもよいし、含んでいなくてもよい。上記多価アルコールとしては、エチレングリコール、ジエチレングリコール、トリエチレングリコール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、ポリプロピレングリコール、イソプレングリコール、1,3−ブチレングリコール、1,2−ブタンジオール、1,2−ペンタンジオール、1,2−ヘキサンジオール、1,2−オクタンジオール、1,2−デカンジオール、グリセリン、ジグリセリン、ポリグリセリンなどが挙げられる。本発明の水中油型乳化組成物中の多価アルコールの含有割合は、ピッカリングエマルションの安定性の観点から、本発明の水中油型乳化組成物100質量%に対して、60.0質量%以下(例えば、0〜60.0質量%)が好ましい。 The oil-in-water emulsified composition of the present invention may or may not contain a polyhydric alcohol. Examples of the polyhydric alcohol include ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, 1,3-butylene glycol, 1,2-butanediol, 1,2-. Examples thereof include pentandiol, 1,2-hexanediol, 1,2-octanediol, 1,2-decanediol, glycerin, diglycerin and polyglycerin. The content of the polyhydric alcohol in the oil-in-water emulsified composition of the present invention is 60.0% by mass with respect to 100% by mass of the oil-in-water emulsified composition of the present invention from the viewpoint of the stability of the pickering emulsion. The following (for example, 0 to 60.0% by mass) is preferable.
[その他の成分]
本発明の水中油型乳化組成物は、本発明の目的を阻害しない範囲内で、上述の各成分以外の成分(その他の成分)を含んでいてもよい。上記その他の成分しては、特に限定されないが、例えば、エタノール以外の低級アルコール;ロウなどの成分(B)以外の油性成分;ヒドロキシメチルセルロース、ヒドロキシプロピルメチルセルロース、キサンタンガムなどの増粘剤;保湿剤;殺菌剤;成分(A)以外のパール化剤;グリチルリチン酸及びその塩などの抗炎症剤;メントールなどの清涼剤;リン酸及びその塩類、クエン酸及びその塩類、乳酸及びその塩類、水酸化ナトリウム、トリエタノールアミンなどのpH調整剤;香料;紫外線吸収剤;酸化防止剤;金属イオン封鎖剤(キレート剤);ポリビニルピロリドンなどの皮膜形成性高分子化合物;色素;顔料;ビタミン類;アミノ酸類;収斂剤;美白剤;動植物抽出物;酸;アルカリなどが挙げられる。
[Other ingredients]
The oil-in-water emulsified composition of the present invention may contain components (other components) other than the above-mentioned components as long as the object of the present invention is not impaired. The other components are not particularly limited, but are, for example, lower alcohols other than ethanol; oily components other than the component (B) such as wax; thickeners such as hydroxymethyl cellulose, hydroxypropyl methyl cellulose, and xanthan gum; moisturizers; Bactericidal agent; Pearlizing agent other than component (A); Anti-inflammatory agent such as glycyrrhizinic acid and its salt; Cooling agent such as menthol; Phosphoric acid and its salts, Citric acid and its salts, Lactic acid and its salts, Sodium hydroxide , PH adjusters such as triethanolamine; fragrances; UV absorbers; antioxidants; metal ion sequestering agents (chelating agents); film-forming polymer compounds such as polyvinylpyrrolidone; dyes; pigments; vitamins; amino acids; Astringents; whitening agents; animal and plant extracts; acids; alkalis and the like.
本発明の水中油型乳化組成物の用途としては、特に限定されないが、皮膚化粧料が好ましく、例えば、デオドラント剤、サンスクリーン、メイクアップ化粧料(化粧下地、ファンデーション)、スキンケア化粧料(保湿化粧料、美白化粧料、アクネケア用化粧料、アンチエージング化粧料(しわ抑制、たるみ抑制などを目的とする化粧料)など)などが挙げられる。また、本発明の水中油型乳化組成物は、化粧品、医薬部外品、医薬品、雑貨の何れの形態であってもよい。 The use of the oil-in-water emulsifying composition of the present invention is not particularly limited, but skin cosmetics are preferable, and for example, deodorant agents, sunscreens, makeup cosmetics (makeup base, foundation), skin care cosmetics (moisturizing makeup). Cosmetics, whitening cosmetics, acne care cosmetics, anti-aging cosmetics (makeups for the purpose of suppressing wrinkles, sagging, etc.), etc.). Further, the oil-in-water emulsified composition of the present invention may be in any form of cosmetics, quasi-drugs, pharmaceuticals, and miscellaneous goods.
本発明の水中油型乳化組成物を適用する部位は、特に限定されない。一例として、上記組成物の適用部位は、顔(額、目元、目じり、頬、口元など)、腕、肘、手の甲、指先、足、膝、かかと、首、脇、背中などである。 The site to which the oil-in-water emulsified composition of the present invention is applied is not particularly limited. As an example, the application sites of the above composition are the face (forehead, eyes, eyes, cheeks, mouth, etc.), arms, elbows, back of hands, fingertips, feet, knees, heels, neck, armpits, back and the like.
本発明の水中油型乳化組成物の剤型としては、例えば、乳液、ジェル、クリームなどが挙げられる。 Examples of the dosage form of the oil-in-water emulsion composition of the present invention include emulsions, gels and creams.
本発明の水中油型乳化組成物は、エタノールを配合する系においても、安定的にO/W型のピッカリングエマルション層を形成し得る。このため、例えば、エタノールの配合により、優れた速乾性や防腐性の効果を得ることができる。本発明の水中油型乳化組成物は、エマルションの形成に界面活性剤を必要としないため、界面活性剤によるべたつきの抑制効果を得ることができる。さらに、雲母チタンは、組成物中の電解質の影響を受けにくい。このため、組成物中に、制汗剤や乳酸ナトリウムなどの電解質や、角質柔軟剤やピーリング剤として用いられるα−ヒドロキシ酸(フルーツ酸等)などの酸を配合することができる。 The oil-in-water emulsified composition of the present invention can stably form an O / W type pickering emulsion layer even in a system containing ethanol. Therefore, for example, by blending ethanol, excellent quick-drying and antiseptic effects can be obtained. Since the oil-in-water emulsified composition of the present invention does not require a surfactant to form an emulsion, the stickiness-suppressing effect of the surfactant can be obtained. In addition, mica titanium is less susceptible to the electrolytes in the composition. Therefore, an electrolyte such as an antiperspirant or sodium lactate, or an acid such as α-hydroxy acid (fruit acid or the like) used as a keratin softener or a peeling agent can be blended in the composition.
本発明の水中油型乳化組成物は、安定なO/W型のピッカリングエマルション層を有するため、化粧料組成物として用いることが好ましい。化粧料組成物として用いた場合、特に限定されないが、下記の効果などを発揮することもできる。例えば、本発明の水中油型乳化組成物である化粧料組成物は、界面活性剤層を有する化粧料や油中水型のエマルションを有するものとは異なり、油分のべたつきを粉体でマスキングでき、塗布時のべたつきやぬるつきを抑制することができる。また、成分(A)を用いることにより、肌色の明るさ向上、見た目の印象の向上など、パール化剤を用いた公知の効果が得られる。また、乳化剤を使用しないため、本発明の水中油型乳化組成物を化粧料として肌や毛髪に使用した場合、肌や毛髪上で汗などの水分により再乳化して流れ落ちにくく、持続性(所謂、化粧もち)に優れる。 Since the oil-in-water emulsified composition of the present invention has a stable O / W type pickering emulsion layer, it is preferably used as a cosmetic composition. When used as a cosmetic composition, the following effects can be exhibited, although not particularly limited. For example, the cosmetic composition, which is the oil-in-water emulsion composition of the present invention, can mask the stickiness of oil with powder, unlike cosmetics having a surfactant layer and those having a water-in-oil emulsion. , It is possible to suppress stickiness and sliminess at the time of application. Further, by using the component (A), known effects using the pearlizing agent such as improvement of the brightness of the skin color and improvement of the appearance impression can be obtained. In addition, since no emulsifier is used, when the oil-in-water emulsified composition of the present invention is used as a cosmetic on the skin and hair, it is re-emulsified on the skin and hair by moisture such as sweat and does not easily run off, and is durable (so-called). , Makeup lasting) is excellent.
本発明の水中油型乳化組成物は、特に限定されず、公知乃至慣用の方法により製造することができる。例えば、上記各成分を混合し、ホモミキサー、パドルミキサーなどで攪拌して製造することができる。 The oil-in-water emulsified composition of the present invention is not particularly limited and can be produced by a known or conventional method. For example, each of the above components can be mixed and stirred with a homomixer, paddle mixer, or the like for production.
以下に、実施例に基づいて本発明をより詳細に説明するが、本発明はこれらの実施例にのみ限定されるものではない。なお、表に記載の配合量は、各成分の配合量(すなわち、各原料中の有効成分の配合量。所謂純分)であり、特記しない限り「質量%」で表す。 Hereinafter, the present invention will be described in more detail based on Examples, but the present invention is not limited to these Examples. The blending amount shown in the table is the blending amount of each component (that is, the blending amount of the active ingredient in each raw material, so-called pure content), and is represented by "mass%" unless otherwise specified.
実施例1〜43、比較例1〜13
表に記した各成分(成分(A)〜(C)など)を用い、実施例及び比較例の各組成物を常法により調製した。
Examples 1-43, Comparative Examples 1-13
Using each of the components listed in the table (components (A) to (C), etc.), each composition of Examples and Comparative Examples was prepared by a conventional method.
表に記載の主な成分は、以下の通りである。 The main ingredients listed in the table are as follows.
<成分(A)>
雲母チタン:商品名「Ronaflair Extender W」、メルク社製
<成分(B1)>
メチルフェニルポリシロキサン:商品名「KF−56A」、信越化学工業株式会社製
<成分(B3)>
シクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコール:商品名「Neosolue−Aqulio」、日本精化株式会社製
<その他の成分(B)>
流動パラフィン:商品名「CARNATION」、Sonneborn社製
メチルポリシロキサン:商品名「DOWDIL SH200 Fluid 10cSt」、ダウ・東レ株式会社製
<Ingredient (A)>
Mica Titanium: Product name "Ronaflair Extender W", manufactured by Merck & Co. <Ingredient (B1)>
Methylphenylpolysiloxane: Product name "KF-56A", manufactured by Shin-Etsu Chemical Co., Ltd. <Ingredient (B3)>
Cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol: trade name "Neosolue-Aquilio", manufactured by Nippon Fine Chemical Co., Ltd. <Other ingredients (B)>
Liquid paraffin: Product name "CARNATION", manufactured by Sonneborn Methylpolysiloxane: Product name "DOWDIL SH200 Fluid 10cSt", manufactured by Dow Toray Co., Ltd.
(評価)
実施例及び比較例で得られた各組成物について以下の通り評価した。評価結果は表に記載した。
(evaluation)
Each composition obtained in Examples and Comparative Examples was evaluated as follows. The evaluation results are shown in the table.
(1)エマルション形成性
実施例及び比較例で得られた各組成物を24時間放置した後、性状を目視及び微分干渉顕微鏡(倍率100倍)にて観察し、エマルション形成状態を以下の基準で判定した。
[エマルション形成性の判定基準]
◎(優良):O/W型エマルション層が形成されており、エマルション粒子表面全体に粉体が密に覆っている。なおかつ、油相の分離が見られない。
○(良好):O/W型エマルション層が形成されており、エマルション粒子表面全体に粉体が均一に吸着しているものの、エマルション粒子表面全体に粉体が密には覆っていない。なおかつ、油相の分離が見られない。
×(不良):O/W型エマルション層が形成されておらず、水相、油相、粉体が完全に分離している。
×※(不良):O/W型エマルション層が形成されているものの、油相の分離が見られる。
(1) Emulsion forming property After each composition obtained in Examples and Comparative Examples was left to stand for 24 hours, the properties were visually observed and observed with a differential interference microscope (magnification: 100 times), and the emulsion forming state was determined according to the following criteria. Judged.
[Criteria for determining emulsion formability]
⊚ (excellent): An O / W type emulsion layer is formed, and the powder is densely covered over the entire surface of the emulsion particles. Moreover, no separation of the oil phase is observed.
◯ (Good): An O / W type emulsion layer is formed, and the powder is uniformly adsorbed on the entire surface of the emulsion particles, but the powder is not densely covered on the entire surface of the emulsion particles. Moreover, no separation of the oil phase is observed.
X (defective): The O / W type emulsion layer is not formed, and the aqueous phase, the oil phase, and the powder are completely separated.
× * (Defective): Although the O / W type emulsion layer is formed, the oil phase is separated.
本発明の水中油型乳化組成物(実施例)は、目視でO/W型エマルション層の形成を確認でき、そして顕微鏡(倍率100倍)で観察したところ、エマルション粒子表面全体に粉体が均一に覆っており、O/W型エマルション層の安定性に優れていた。中でも、成分(B2)としてラウリン酸を用いた場合(実施例2,6,及び10)、及び成分(B3)を配合した場合(実施例21〜28及び33〜43)、エマルション粒子表面全体に粉体が均一に且つ密に覆っており、O/W型エマルション層の安定性に極めて優れていた。一方、成分(B2)を用いなかった場合(比較例1〜8)、成分(B1)を用いなかった場合(比較例9)、成分(C)として水を配合しなかった場合(比較例12)、及び成分(C)を配合しなかった場合(比較例13)のいずれも、O/W型エマルション層の形成は確認できなかった。また、成分(B1)の代わりにその他の成分(B)を用いた場合(比較例10及び11)、その他の成分(B)と成分(B2)の相溶性が悪く、油相の分離が確認された。 In the oil-in-water emulsion composition (Example) of the present invention, the formation of the O / W type emulsion layer can be visually confirmed, and when observed with a microscope (magnification: 100 times), the powder is uniform over the entire surface of the emulsion particles. The O / W type emulsion layer was excellent in stability. Among them, when lauric acid is used as the component (B2) (Examples 2, 6 and 10) and when the component (B3) is blended (Examples 21 to 28 and 33 to 43), the entire surface of the emulsion particles is covered. The powder was uniformly and densely covered, and the stability of the O / W type emulsion layer was extremely excellent. On the other hand, when the component (B2) was not used (Comparative Examples 1 to 8), when the component (B1) was not used (Comparative Example 9), and when water was not blended as the component (C) (Comparative Example 12). ) And the case where the component (C) was not blended (Comparative Example 13), the formation of the O / W type emulsion layer could not be confirmed. Further, when the other component (B) was used instead of the component (B1) (Comparative Examples 10 and 11), the compatibility between the other component (B) and the component (B2) was poor, and the separation of the oil phase was confirmed. Was done.
さらに、以下に、本発明の水中油型乳化組成物の処方例を示す。
[化粧下地(乳液状)]
イソペンチルジオール 2.0質量%
シリカ 1.0質量%
ポリアクリレーツクロスポリマー−6 0.5質量%
クエン酸 0.01質量%
クエン酸Na 0.1質量%
雲母チタン 5.0質量%
2−エチルヘキサン酸グリセリル 1.0質量%
イソステアリン酸 0.5質量%
シクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコール
0.5質量%
ジプロピレングリコール 13.0質量%
ビスPEG−18メチルエーテルジメチルシラン 0.5質量%
精製水 残 部
合計 100.0質量%
Further, a formulation example of the oil-in-water emulsified composition of the present invention is shown below.
[Makeup base (milky liquid)]
Isopentyldiol 2.0% by mass
Silica 1.0% by mass
Polyacrelites Cross Polymer-6 0.5% by mass
Citric acid 0.01% by mass
Na citrate 0.1% by mass
Mica titanium 5.0% by mass
Glyceryl 2-ethylcaproate 1.0% by mass
Isostearic acid 0.5% by mass
Cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol
0.5% by mass
Dipropylene glycol 13.0% by mass
Bis PEG-18 methyl ether dimethylsilane 0.5% by mass
Purified water balance total 100.0% by mass
Claims (9)
成分(A):雲母チタン
成分(B):下記成分(B1)及び下記成分(B2)を少なくとも含む、炭化水素油、エステル油、シリコーン油、植物油、及び脂肪酸からなる群より選択される油性成分
成分(B1):エステル油及び/又はメチルフェニルポリシロキサン
成分(B2):炭素数12〜18の脂肪酸
成分(C):水、又は、水及びエタノール An oil-in-water emulsified composition containing the following component (A), the following component (B), and the following component (C), wherein the proportion of water in the component (C) is 5.0 to 100% by mass.
Component (A): Mica titanium Component (B): An oily component selected from the group consisting of hydrocarbon oil, ester oil, silicone oil, vegetable oil, and fatty acid containing at least the following component (B1) and the following component (B2). Component (B1): Ester oil and / or methylphenylpolysiloxane Component (B2): Fatty acid having 12 to 18 carbon atoms Component (C): Water or water and ethanol
成分(B3):シクロヘキサン−1,4−ジカルボン酸ビスエトキシジグリコール The oil-in-water emulsified composition according to claim 1, wherein the component (B) further contains the following component (B3).
Ingredient (B3): Cyclohexane-1,4-dicarboxylic acid bisethoxydiglycol
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JP2020046860A JP7387500B2 (en) | 2020-03-17 | 2020-03-17 | Oil-in-water emulsion composition |
KR1020210003880A KR20210116211A (en) | 2020-03-17 | 2021-01-12 | Oil-in-water emulsion composition |
CN202110150390.0A CN113398014A (en) | 2020-03-17 | 2021-02-03 | Oil-in-water type emulsion composition |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08245363A (en) * | 1995-03-07 | 1996-09-24 | Noevir Co Ltd | Solid o/w-type emulsion cosmetic |
JP2002179521A (en) * | 2000-12-13 | 2002-06-26 | Ichimaru Pharcos Co Ltd | Cosmetic composition containing extract of plant or animal |
JP2007262032A (en) * | 2006-03-29 | 2007-10-11 | Kose Corp | Oil in water type pore /sulcus cutis hiding cosmetic |
JP2009242321A (en) * | 2008-03-31 | 2009-10-22 | Shiseido Co Ltd | Skin care preparation |
JP2010248120A (en) * | 2009-04-15 | 2010-11-04 | Kao Corp | Deodorant |
JP2017197485A (en) * | 2016-04-28 | 2017-11-02 | 株式会社 資生堂 | Oil-in-water type emulsion cosmetic |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4362120B2 (en) * | 2003-05-13 | 2009-11-11 | 日清オイリオグループ株式会社 | Oil-in-water emulsified cosmetic |
JP5506130B2 (en) | 2006-06-12 | 2014-05-28 | 株式会社 資生堂 | Oil-in-water emulsion |
CN101659834A (en) * | 2008-08-28 | 2010-03-03 | 北京玉佳明三态离子科学研究院有限公司 | Water-in-oil type multipurpose high-performance decontamination polishing agent |
JP7228978B2 (en) * | 2018-08-31 | 2023-02-27 | 株式会社マンダム | skin cosmetics |
-
2020
- 2020-03-17 JP JP2020046860A patent/JP7387500B2/en active Active
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2021
- 2021-01-12 KR KR1020210003880A patent/KR20210116211A/en not_active Application Discontinuation
- 2021-02-03 CN CN202110150390.0A patent/CN113398014A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08245363A (en) * | 1995-03-07 | 1996-09-24 | Noevir Co Ltd | Solid o/w-type emulsion cosmetic |
JP2002179521A (en) * | 2000-12-13 | 2002-06-26 | Ichimaru Pharcos Co Ltd | Cosmetic composition containing extract of plant or animal |
JP2007262032A (en) * | 2006-03-29 | 2007-10-11 | Kose Corp | Oil in water type pore /sulcus cutis hiding cosmetic |
JP2009242321A (en) * | 2008-03-31 | 2009-10-22 | Shiseido Co Ltd | Skin care preparation |
JP2010248120A (en) * | 2009-04-15 | 2010-11-04 | Kao Corp | Deodorant |
JP2017197485A (en) * | 2016-04-28 | 2017-11-02 | 株式会社 資生堂 | Oil-in-water type emulsion cosmetic |
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CN113398014A (en) | 2021-09-17 |
KR20210116211A (en) | 2021-09-27 |
JP7387500B2 (en) | 2023-11-28 |
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