JP2014101278A - Surface-treated powder and cosmetic compounded with the powder - Google Patents

Surface-treated powder and cosmetic compounded with the powder Download PDF

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JP2014101278A
JP2014101278A JP2012252162A JP2012252162A JP2014101278A JP 2014101278 A JP2014101278 A JP 2014101278A JP 2012252162 A JP2012252162 A JP 2012252162A JP 2012252162 A JP2012252162 A JP 2012252162A JP 2014101278 A JP2014101278 A JP 2014101278A
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powder
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organic compound
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JP6204653B2 (en
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Kenji Nishimoto
健治 西本
Takumi Tanaka
巧 田中
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Daito Kasei Kogyo Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a surface-treated powder having good adhesion and feeling to the skin and excellent washability, and a cosmetic containing it.SOLUTION: A pigment powder is surface-treated with an anionic organic compound represented by the general formula (1).

Description

本発明は、ファンデーションなどのメイクアップ化粧料、サンスクリーン化粧料又は乳液などの化粧料に配合して好適な表面処理粉体、及びその粉体を配合した化粧料に関するものである。   The present invention relates to a surface-treated powder suitable for blending into makeup cosmetics such as foundations, cosmetics such as sunscreen cosmetics or emulsions, and cosmetics blended with the powders.

従来、ファンデーション、アイシャドー、アイブロー、ほほ紅などのメイクアップ化粧料や、ボディーパウダー、ベビーパウダーなどのボディー化粧料や、乳液、クリームなどの基礎化粧料に配合される粉体は、肌への付着性や、粉体の感触を良くするなどの目的で、顔料粉体の表面に各種の化合物を被覆させた表面処理粉体が用いられている。   Conventionally, powders formulated in makeup cosmetics such as foundations, eye shadows, eyebrows and cheeks, body cosmetics such as body powders and baby powders, and basic cosmetics such as emulsions and creams For the purpose of improving the adhesion and the feel of the powder, a surface-treated powder in which various compounds are coated on the surface of the pigment powder is used.

顔料粉体の表面処理方法としては多くの方法が知られており、例えば、ハイドロジェンメチルポリシロキサンや、ジメチルポリシロキサンなどのシリコン化合物による表面処理(特許文献1)、パーフルオロアルキルリン酸ジエタノールアミン塩やフッ素変性シランなどのフッ素化合物による表面処理(特許文献2)や、pH応答性を有するシランカップリング処理(特許文献3)などがある。   Many methods are known as surface treatment methods for pigment powders. For example, surface treatment with a silicon compound such as hydrogenmethylpolysiloxane or dimethylpolysiloxane (Patent Document 1), perfluoroalkyl phosphate diethanolamine salt And surface treatment with a fluorine compound such as fluorine-modified silane (Patent Document 2) and a silane coupling process having pH responsiveness (Patent Document 3).

特開昭60−163973号公報JP-A-60-16397 特開2001−2524号公報JP 2001-2524 A 特開2007−197399号公報JP 2007-197399 A

特許文献1に記載のシリコン化合物で処理した粉体は、撥水性が付与されることにより、また特許文献2に記載のフッ素化合物で処理した粉体は、撥水撥油性が付与されることにより、化粧崩れを防止し、化粧持続性を向上させるという点で、これらの処理は大変優れている。しかしながら、これらの粉体では、感触がパサパサした感じでしっとり感に乏しく、生体への親和性が悪いことにより肌への付着性が悪いなどの問題や、撥水効果又は撥水撥油効果が優れているが故に、化粧料を洗い流す際、十分に洗浄されず、化粧料が肌に残ってしまうという問題があった。また、特許文献3に記載のものでは、化粧を洗い流す洗浄性には優れるが、肌への付着性や感触の点で満足のいくものではなかった。   The powder treated with the silicon compound described in Patent Document 1 is imparted with water repellency, and the powder treated with the fluorine compound described in Patent Document 2 is imparted with water and oil repellency. These treatments are very good in terms of preventing makeup collapse and improving makeup sustainability. However, with these powders, the touch is crisp and poorly moist, with poor affinity to the body and poor adhesion to the skin, water repellent effect or water / oil repellent effect. Because it is excellent, there is a problem that when the cosmetic is washed away, the cosmetic is not sufficiently washed and the cosmetic remains on the skin. Moreover, although the thing of patent document 3 is excellent in the washability to wash away makeup, it was not satisfactory in terms of adhesion to the skin and feel.

本発明は、前述のような問題点に鑑みてなされたもので、化粧料に配合した場合に、洗い流す際の洗浄性に優れるとともに、肌へ塗布した際の感触や肌への付着性に優れた表面処理粉体を提供し、併せてその粉体を配合した化粧料を提供することを目的とするものである。   The present invention was made in view of the above-mentioned problems, and when blended in a cosmetic, it has excellent detergency when washed off, and excellent touch and adhesion to the skin. An object of the present invention is to provide a surface-treated powder and a cosmetic containing the powder.

前記課題を達成するために、本発明者らは鋭意研究努力を重ねた結果、顔料粉体を下記一般式(1)で示されるアニオン性有機化合物で表面処理することにより、中性領域のpHにおいて、ゼータ電位の値が−1mV〜−60mVの範囲を示す表面処理粉体が得られ、その表面処理粉体を配合した化粧料は、肌へ塗布した時の感触や肌への付着性が良く、洗浄性に優れることを見出し、本発明を完成させるに至った。   In order to achieve the above-mentioned problems, the present inventors have made extensive research efforts. As a result, the pigment powder is surface-treated with an anionic organic compound represented by the following general formula (1), thereby achieving a pH in the neutral region. In this case, a surface-treated powder having a zeta potential value in the range of -1 mV to -60 mV is obtained, and the cosmetic compounded with the surface-treated powder has a feel and adhesiveness to the skin when applied to the skin. The present inventors have found that it is good and has excellent cleaning properties, and have completed the present invention.

すなわち、本発明による表面処理粉体は、
顔料粉体を、下記一般式(1)で示されるアニオン性有機化合物で表面処理することを特徴とするものである(第1発明)。

Figure 2014101278
(式中、R、R、R、Rは水素又は飽和炭化水素基であり、Xはアルカリ金属又はアミンであり、k、m、nは1以上の整数で、k+m+n<1,000,000である。) That is, the surface-treated powder according to the present invention is
The pigment powder is surface-treated with an anionic organic compound represented by the following general formula (1) (first invention).
Figure 2014101278
(In the formula, R 1 , R 2 , R 3 and R 4 are hydrogen or a saturated hydrocarbon group, X is an alkali metal or amine, k, m and n are integers of 1 or more, k + m + n <1, 000,000.)

本発明の表面処理粉体は、中性領域のpHでのゼータ電位の値が−1mV〜−60mVの範囲であるのが好ましい(第2発明)。   The surface-treated powder of the present invention preferably has a zeta potential value in the neutral range of pH of -1 mV to -60 mV (second invention).

また、第3発明による化粧料は、第1発明又は第2発明の表面処理粉体を配合したことを特徴とするものである。   The cosmetic according to the third invention is characterized by blending the surface-treated powder of the first or second invention.

本発明によれば、上記一般式(1)で示されるアニオン性有機化合物で表面処理された表面処理粉体が用いられているので、この表面処理粉体を化粧料に配合することにより、その化粧料を洗い流す時の洗浄性が良く、肌へ塗布した時の感触や肌への付着性に優れた化粧料を得ることができる。   According to the present invention, since the surface-treated powder surface-treated with the anionic organic compound represented by the general formula (1) is used, by adding this surface-treated powder to the cosmetic, It is possible to obtain a cosmetic having good detergency when the cosmetic is washed away, and excellent in feel when applied to the skin and adhesion to the skin.

次に、本発明による表面処理粉体及びその粉体を配合した化粧料の具体的な実施の形態について説明する。   Next, specific embodiments of the surface-treated powder according to the present invention and a cosmetic containing the powder will be described.

本発明において、顔料粉体に表面処理される上記一般式(1)で示されるアニオン性有機化合物としては、特に限定されないが、アクリル酸/アクリル酸アルキルコポリマートリエタノールアミン、アクリル酸/アクリル酸アルキルコポリマートリイソプロパノールアミン、アクリル酸/アクリル酸アルキルコポリマー2−アミノ−2−メチルプロパノール、アクリル酸/アクリル酸アルキルコポリマー2−アミノ−2−メチル−1,3−プロパンジオールであるのがより好ましい。   In the present invention, the anionic organic compound represented by the above general formula (1) which is surface-treated on the pigment powder is not particularly limited, but includes acrylic acid / alkyl acrylate copolymer triethanolamine, acrylic acid / alkyl acrylate. More preferably, the copolymer is triisopropanolamine, acrylic acid / alkyl acrylate copolymer 2-amino-2-methylpropanol, acrylic acid / alkyl acrylate copolymer 2-amino-2-methyl-1,3-propanediol.

本発明のアニオン性有機化合物で表面処理した顔料粉体には、シリコン類、アルキルシラン類、アルキルチタネート類、フッ素化合物類、アミノ酸化合物類、脂肪酸化合物類などの化合物を組み合わせて表面処理しても構わない。また、上記の化合物以外にも、従来公知の各種の表面処理を施すことができる。なお、これらの処理は複数組み合わせて用いることも可能である。   The pigment powder surface-treated with the anionic organic compound of the present invention may be surface-treated with a combination of compounds such as silicon, alkylsilanes, alkyl titanates, fluorine compounds, amino acid compounds, and fatty acid compounds. I do not care. In addition to the above compounds, various conventionally known surface treatments can be applied. A plurality of these processes can be used in combination.

本発明により表面処理される顔料粉体としては、化粧料用のものであれば、どれでも対象とすることができ、例えば、酸化チタン、ベンガラ、黄酸化鉄、黒色酸化鉄、酸化亜鉛、酸化セリウム、マンガンバイオレット、コバルトバイオレット、酸化クロム、水酸化クロム、チタン酸コバルト、群青、紺青、酸化マグネシウム、酸化ジルコニウム、タルク、カオリン、絹雲母(セリサイト)、白雲母、金雲母、合成雲母、紅雲母、黒雲母、パーミキュライト、シリカ、炭酸カルシウム、炭酸マグネシウム、ケイ酸マグネシウム、ケイ酸アルミニウム、ケイ酸バリウム、ケイ酸カルシウム、硫酸バリウム、硫酸カルシウム、リン酸カルシウム、ヒドロキシアパタイト、窒化ホウ素、パール顔料、オキシ塩化ビスマスなどの無機顔料や、赤色3号、赤色10号、赤色106号、赤色201号、赤色202号、赤色204号、赤色205号、赤色220号、赤色226号、赤色227号、赤色228号、赤色230号、赤色401号、赤色405号、赤色505号、黄色4号、黄色5号、黄色202号、黄色203号、黄色205号、黄色401号、橙色201号、橙色203号、橙色204号、橙色205号、橙色206号、橙色207号、青色1号、青色2号、青色201号、青色404号、緑色3号、緑色201号、緑色204号、緑色205号などの有機色素や、クロロフィルやβ−カロチンなどの天然色素や、ミリスチン酸亜鉛、パルミチン酸カルシウム、ステアリン酸アルミニウムなどの金属石鹸や、ナイロンパウダー、セルロースパウダー、ポリエチレンパウダー、ポリメタクリル酸メチルパウダー、ポリスチレンパウダー、アクリルパウダー、シリコンパウダー等の有機粉体が挙げられる。   The pigment powder to be surface-treated according to the present invention can be any cosmetic powder, for example, titanium oxide, bengara, yellow iron oxide, black iron oxide, zinc oxide, oxidation Cerium, manganese violet, cobalt violet, chromium oxide, chromium hydroxide, cobalt titanate, ultramarine, bitumen, magnesium oxide, zirconium oxide, talc, kaolin, sericite, muscovite, phlogopite, synthetic mica, red Mica, biotite, permiculite, silica, calcium carbonate, magnesium carbonate, magnesium silicate, aluminum silicate, barium silicate, calcium silicate, barium sulfate, calcium sulfate, calcium phosphate, hydroxyapatite, boron nitride, pearl pigment, oxychloride Inorganic pigments such as bismuth, red No. 3, Color No. 10, Red No. 106, Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 227, Red No. 228, Red No. 230, Red No. 401, Red No. 405 No., Red No. 505, Yellow No. 4, Yellow No. 5, Yellow No. 202, Yellow No. 203, Yellow No. 205, Yellow No. 401, Orange No. 201, Orange No. 203, Orange No. 204, Orange No. 205, Orange No. 206, Organic dyes such as Orange No. 207, Blue No. 1, Blue No. 2, Blue No. 201, Blue No. 404, Green No. 3, Green No. 201, Green No. 204 and Green No. 205, and natural dyes such as chlorophyll and β-carotene And metal soaps such as zinc myristate, calcium palmitate, aluminum stearate, nylon powder, cellulose powder, polyethylene powder, Examples thereof include organic powders such as methyl laurate powder, polystyrene powder, acrylic powder, and silicon powder.

次に、本発明の表面処理粉体の製造方法について説明する。アニオン性有機化合物を表面処理する方法としては、表面処理される顔料粉体と水をあらかじめ分散させた後に、表面処理する化合物を液滴下し、その後、加熱や、pH調整などを行った後、乾燥及び粉砕することにより表面処理する方法や、表面処理される顔料粉体を適当なミキサー中で撹拌し、表面処理する化合物をエタノール、イソプロピルアルコール、イソブタノール等のアルコール類、トルエン、n−ヘキサン、シクロヘキサン等の炭化水素系有機溶剤、アセトン、酢酸エチル、酢酸ブチル等の極性有機溶剤などに溶解させておき、この溶液を液滴下又はスプレー噴霧にて加え撹拌した後、有機溶剤を完全に蒸発除去し、その後、粉体を粉砕した後、80〜200℃に加熱熟成させることによって、表面処理を行う方法が一般的である。   Next, the manufacturing method of the surface treatment powder of this invention is demonstrated. As a method of surface-treating the anionic organic compound, after the pigment powder to be surface-treated and water are dispersed in advance, the compound to be surface-treated is dropped, and then heating, pH adjustment, etc. are performed, A method of surface treatment by drying and pulverization, agitation of pigment powder to be surface-treated in a suitable mixer, and compounds to be surface-treated as alcohols such as ethanol, isopropyl alcohol and isobutanol, toluene and n-hexane It is dissolved in a hydrocarbon organic solvent such as cyclohexane, polar organic solvent such as acetone, ethyl acetate, butyl acetate, etc., and this solution is added dropwise or by spraying and stirred, and then the organic solvent is completely evaporated. After removing the powder and then pulverizing the powder, the surface treatment is generally performed by heating and aging at 80 to 200 ° C. That.

また、混合分散方法としては、溶液の濃度や粘度などに応じて適当な方法を選択することができる。好適な例としては、撹拌羽根を有した反応槽や、ディスパー、ヘンシェルミキサー、レディゲミキサー、ニーダー、V型混合機、ロールミル、ビーズミル、2軸混練機等の混合機による方法や、水溶液と顔料を加熱空気中に噴霧して水分を一気に除去するスプレードライの方法などを選択することができる。また、粉砕を行う場合においては、ハンマーミル、ボールミル、サンドミル、ジェットミル等の通常の粉砕機を用いることができる。これらいずれの粉砕機によっても同等の品質のものが得られるため、特に限定されるものではない。   As the mixing and dispersing method, an appropriate method can be selected according to the concentration and viscosity of the solution. Preferable examples include a reaction tank having a stirring blade, a method using a mixer such as a disper, a Henschel mixer, a Redige mixer, a kneader, a V-type mixer, a roll mill, a bead mill, a biaxial kneader, an aqueous solution and a pigment. It is possible to select a spray-drying method or the like that removes moisture at a stretch by spraying in a heated air. When pulverization is performed, a normal pulverizer such as a hammer mill, a ball mill, a sand mill, or a jet mill can be used. Since any of these pulverizers can obtain the same quality, it is not particularly limited.

このようにして得られた表面処理粉体において、中性領域のpHのゼータ電位の値は、−1mV〜−60mVであるのが好ましく、さらに好ましくは−10mV〜−60mVである。   In the surface-treated powder thus obtained, the value of the zeta potential of the pH in the neutral region is preferably -1 mV to -60 mV, and more preferably -10 mV to -60 mV.

また、粉体の表面処理に用いられる化合物である成分の質量比は、処理される顔料に対して0.1〜50質量%とするのが好ましい。前記質量比が0.1質量%未満であると肌への均一な付着性が充分でなく、50質量%を越えると感触が非常に悪くなり、化粧料としては適さない。   Moreover, it is preferable that the mass ratio of the component which is a compound used for the surface treatment of powder shall be 0.1-50 mass% with respect to the pigment to be processed. When the mass ratio is less than 0.1% by mass, uniform adhesion to the skin is not sufficient, and when it exceeds 50% by mass, the feeling becomes very bad and it is not suitable as a cosmetic.

次に、本発明に係る化粧料について説明する。本発明の化粧料は、上述したアニオン性有機化合物を表面処理した粉体を配合することによって、肌へ塗布する時の感触が良く、使用感が良い。化粧料の剤型としては、乳液、化粧水等のスキンケア化粧料、ファンデーション、口紅等のメイクアップ化粧料、頭髪化粧料等に用いることができる。配合量は特に限定されないが、好ましくは0.1〜70質量%である。   Next, the cosmetic according to the present invention will be described. The cosmetic of the present invention has a good feel when used on the skin and a good feeling when used, by blending the above-mentioned anionic organic compound-treated powder. As cosmetic dosage forms, it can be used for skin care cosmetics such as emulsions and lotions, makeup cosmetics such as foundations and lipsticks, hair cosmetics and the like. The blending amount is not particularly limited, but is preferably 0.1 to 70% by mass.

さらに、本発明の化粧料には通常化粧料に用いられる成分、例えば、粉体、界面活性剤、油剤、ゲル化剤、高分子、美容成分、保湿剤、色素、防腐剤、香料等を本発明の効果を損なわない範囲で使用することができる。   Furthermore, the cosmetics of the present invention include components usually used in cosmetics, such as powders, surfactants, oils, gelling agents, polymers, cosmetic ingredients, moisturizers, pigments, preservatives, and fragrances. It can be used as long as the effects of the invention are not impaired.

本発明の化粧料の形態としては、パウダー状、乳液状、クリーム状、スティック状、固型状、スプレー、多層分離型などいずれの剤型を用いても構わない。   As the form of the cosmetic of the present invention, any dosage form such as powder form, emulsion, cream form, stick form, solid form, spray, multi-layer separated type may be used.

次に、本発明による表面処理粉体及びその粉体を配合した化粧料の実施例及び比較例に基づいて本発明をより具体的に説明するが、本発明は以下の実施例に限定されるものではない。   Next, the present invention will be described more specifically based on examples of the surface-treated powder according to the present invention and cosmetics containing the powder and comparative examples, but the present invention is limited to the following examples. It is not a thing.

(実施例1)
ヘンシェルミキサーに酸化チタン1000質量部を入れ、続いてアニオン性有機化合物であるアクリル樹脂アルカノールアミン(商品名:アニセットNF−1000、大阪有機化学工業 (株)製)51質量部をイソプロピルアルコール125質量部に溶解させた溶液を滴下混合し、酸化チタンとよく混合した。その後、ヘンシェルミキサー内を加熱及び減圧し、イソプロピルアルコールを除去した。粉体をヘンシェルミキサーから取り出し、粉砕して加熱処理を行い、アニオン性有機化合物が2質量%処理された酸化チタンを得た。同様の工程にて、シリカ、セリサイト、タルク、マイカ、ベンガラ、黄酸化鉄、黒酸化鉄をそれぞれ同様の表面処理を施し、それぞれのサンプルを得た。
Example 1
Place 1000 parts by mass of titanium oxide in a Henschel mixer, and then add 51 parts by mass of acryl alcohol alkanolamine (trade name: Aniset NF-1000, manufactured by Osaka Organic Chemical Industry Co., Ltd.) which is an anionic organic compound. The solution dissolved in was added dropwise and mixed well with titanium oxide. Thereafter, the interior of the Henschel mixer was heated and depressurized to remove isopropyl alcohol. The powder was taken out of the Henschel mixer, pulverized, and heat-treated to obtain titanium oxide treated with 2% by mass of an anionic organic compound. In the same process, silica, sericite, talc, mica, bengara, yellow iron oxide, and black iron oxide were each subjected to the same surface treatment to obtain respective samples.

ここで、本実施例に係るアニオン性有機化合物が表面処理された粉体について、中性領域のゼータ電位の測定評価を行った。表1に、未処理品酸化チタン及び実施例1のアニオン性有機化合物処理品酸化チタン並びに未処理品シリカ及びアニオン性有機化合物処理品シリカのゼータ電位の測定結果が示されている。   Here, the zeta potential in the neutral region was measured and evaluated for the powder on which the anionic organic compound according to this example was surface-treated. Table 1 shows the measurement results of the zeta potential of untreated product titanium oxide and the anionic organic compound-treated product titanium oxide of Example 1, as well as untreated product silica and anionic organic compound-treated product silica.

Figure 2014101278
Figure 2014101278

表1の結果より、ゼータ電位の値は、未処理品の粉体のゼータ電位の値が正の値、負の値に関係なく、アニオン性有機化合物の表面処理を行うことにより、中性領域のゼータ電位の値は、負の値が大きくなっていることがわかる。   From the results of Table 1, the value of zeta potential is determined by performing surface treatment of an anionic organic compound regardless of whether the value of zeta potential of untreated powder is positive or negative. It can be seen that the negative value of the zeta potential is larger.

更に、未処理品酸化チタン及び実施例1のアニオン性有機化合物処理品酸化チタン並びにシリコン処理品酸化チタンについて、pH=7およびpH=10.5に水を調整し、その水に粉体を加え撹拌させた時の状態が表2に示されている。   Further, for untreated product titanium oxide and titanium oxide product treated with anionic organic compound of Example 1 and silicon treated product titanium oxide, water was adjusted to pH = 7 and pH = 10.5, and powder was added to the water. The state when stirring is shown in Table 2.

Figure 2014101278
Figure 2014101278

未処理品酸化チタンはpH=7及びpH=10.5のいずれにも水に馴染み、一方、シリコン処理品酸化チタンは、pH=7及びpH=10.5のいずれにも撥水した。しかしながら、アニオン性有機化合物処理品酸化チタンは、pH=7では撥水するものの、pH=10.5では、水に馴染むこととなり、pH応答性の特徴を有していた。   The untreated titanium oxide was familiar with water at both pH = 7 and pH = 10.5, while the silicon treated titanium oxide was water repellent at both pH = 7 and pH = 10.5. However, although the anionic organic compound-treated titanium oxide is water-repellent at pH = 7, it becomes familiar with water at pH = 10.5 and has pH-responsive characteristics.

(実施例2)
パウダーファンデーションの製造
表3の処方と下記製造方法に従いパウダーファンデーションを製造した。なお、表中の単位は質量%である。
(Example 2)
Production of Powder Foundation A powder foundation was produced according to the formulation shown in Table 3 and the following production method. In addition, the unit in a table | surface is the mass%.

Figure 2014101278
注1:KSP−100(信越化学工業社製)
注2:CELLULOBEADS D−10(大東化成工業社製)
注3:KSG−16(信越化学工業社製)
Figure 2014101278
Note 1: KSP-100 (manufactured by Shin-Etsu Chemical Co., Ltd.)
Note 2: CELLLUOBEADS D-10 (Daito Kasei Kogyo Co., Ltd.)
Note 3: KSG-16 (manufactured by Shin-Etsu Chemical Co., Ltd.)

製造方法:
成分Aを、ミキサーを用いて良く混合しながら、均一に加熱溶解した成分Bを除々に加えてさらに混合した後、粉砕し、メッシュを通した後、金型を用いて金皿に打型して製品を得た。
Production method:
While mixing component A well with a mixer, add component B, which is uniformly heated and dissolved, and gradually mix, pulverize, pass through a mesh, and then mold into a metal pan using a mold. And got the product.

(比較例1)
実施例2のアニオン性有機化合物処理粉体の代わりに、シリコン処理粉体を用いた他は全て実施例2と同様にしてパウダーファンデーションを得た。
(Comparative Example 1)
A powder foundation was obtained in the same manner as in Example 2 except that silicon-treated powder was used instead of the anionic organic compound-treated powder of Example 2.

実施例2及び比較例1で作製した各化粧料について、女性パネラー10名を使用して、使用感に関する官能評価試験を実施した。試験はアンケート形式で実施し、各項目に0点から5点の間の点数をつけ、0点は評価が悪い、5点は評価が優れるとして数値化し、結果を全パネラーの平均点として表した。従って、点数が高い程評価が優れていることを示す。なお、試験は乳液状の化粧下地を使用してから化粧料を塗布する形式で実施した。その評価結果が表4に示されている。   For each of the cosmetics produced in Example 2 and Comparative Example 1, a sensory evaluation test on the feeling of use was performed using 10 female panelists. The test was conducted in a questionnaire format, and each item was scored between 0 and 5 points, 0 points were badly evaluated, 5 points were evaluated as excellent, and the result was expressed as the average score of all panelists. . Therefore, the higher the score, the better the evaluation. The test was conducted in the form of applying a cosmetic after using an emulsion makeup base. The evaluation results are shown in Table 4.

Figure 2014101278
Figure 2014101278

表4の結果より、実施例2のパウダーファンデーションは、アニオン性有機化合物処理粉体を配合していることから、塗布した時の使用感、肌への付着性が良好であり、また、撥水性の特徴を有していることから化粧持続性も良く、更に、pH応答性の特徴を有していることから、化粧料を洗い流す時の洗浄性において優れていた。これに対して、比較例1では、シリコン処理粉体を配合しているため、化粧持続性には優れるものの、塗布した時の使用感、肌への付着性、洗浄性において劣るという結果になった。   From the results shown in Table 4, the powder foundation of Example 2 is blended with an anionic organic compound-treated powder, so that it has good usability when applied and adhesion to the skin, and also has water repellency. Therefore, the makeup persistence is good, and the pH responsiveness is excellent, so that it is excellent in detergency when the cosmetic is washed away. On the other hand, in Comparative Example 1, since the silicon-treated powder was blended, the makeup persistence was excellent, but the feeling of use when applied, adhesion to the skin, and cleanability were poor. It was.

本発明の表面処理粉体を配合した化粧料は、その化粧料を洗い流す時の洗浄性が良く、しかも肌へ塗布した時の感触や肌への付着性に優れていることから、メイクアップ化粧料、サンスクリーン化粧料又は乳液などの化粧料に用いて好適であり、産業上の利用効果が大である。   Cosmetics formulated with the surface-treated powder of the present invention have good detergency when the cosmetics are washed away, and are excellent in feel and adhesion to the skin when applied to the skin. It is suitable for use in cosmetics such as cosmetics, sunscreen cosmetics or emulsions, and has a great industrial utilization effect.

Claims (3)

顔料粉体を、下記一般式(1)で示されるアニオン性有機化合物で表面処理することを特徴とする表面処理粉体。
Figure 2014101278
(式中、R、R、R、Rは水素又は飽和炭化水素基であり、Xはアルカリ金属又はアミンであり、k、m、nは1以上の整数で、k+m+n<1,000,000である。)
A surface-treated powder characterized in that a pigment powder is surface-treated with an anionic organic compound represented by the following general formula (1).
Figure 2014101278
(In the formula, R 1 , R 2 , R 3 and R 4 are hydrogen or a saturated hydrocarbon group, X is an alkali metal or amine, k, m and n are integers of 1 or more, k + m + n <1, 000,000.)
中性領域のpHでのゼータ電位の値が−1mV〜−60mVの範囲である請求項1に記載の表面処理粉体。   2. The surface-treated powder according to claim 1, wherein the value of zeta potential at pH in the neutral region is in the range of −1 mV to −60 mV. 請求項1又は2に記載の表面処理粉体を配合したことを特徴とする化粧料。
A cosmetic comprising the surface-treated powder according to claim 1 or 2.
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JP2016175867A (en) * 2015-03-20 2016-10-06 株式会社ノエビア Oily cosmetics

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JP2016175867A (en) * 2015-03-20 2016-10-06 株式会社ノエビア Oily cosmetics

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