JP4513199B2 - Water-based nail polish with excellent anti-fading properties - Google Patents

Water-based nail polish with excellent anti-fading properties Download PDF

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Publication number
JP4513199B2
JP4513199B2 JP2000309138A JP2000309138A JP4513199B2 JP 4513199 B2 JP4513199 B2 JP 4513199B2 JP 2000309138 A JP2000309138 A JP 2000309138A JP 2000309138 A JP2000309138 A JP 2000309138A JP 4513199 B2 JP4513199 B2 JP 4513199B2
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Prior art keywords
water
titanium oxide
fading
nail
nail polish
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JP2000309138A
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JP2002114640A (en
Inventor
一幸 大原
康司 石井
真樹 内田
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アサヌマ コーポレーション株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は水系美爪料に関し、さらに詳しくは、光(紫外線)により退色しにくい抗退色性に優れた水系美爪料に関するものである。
【0002】
【従来の技術】
従来の美爪料は、ニトロセルロース等の皮膜形成剤と、アルキッド樹脂、スルホンアミド樹脂、シュークロース系樹脂、アクリル樹脂等の樹脂類に、可塑剤、色材等の添加成分を加えたものを、エステル系、ケトン系等の有機溶剤に溶解したいわゆる溶剤系のものが一般的である。
【0003】
しかしながら、これらの有機溶剤系美爪料は、皮膜形成剤としての諸物性は優れているものの、有機溶剤を使用しているために、引火性、溶剤臭、人体への悪影響等の問題があり、さらに爪そのものへの悪影響において、改善すべき課題を有している。
【0004】
有機溶剤系美爪料の有する上記のごとき課題を解消するために、有機溶剤系の美爪料に代わるものとして、水性ポリマーエマルジョンなどを使用する水系美爪料が提案されている。
【0005】
また有機溶剤系および水系のいずれの美爪料においても、着色成分として有機顔料、無機顔料、パール剤などが配合されているが、色相が豊富かつ鮮明で装飾的効果が大きく、透明性や着色力に優れた有機顔料が汎用されている。
【0006】
【発明が解決しようとする課題】
しかしながら有機顔料は、光、熱、湿気等の外的要因により退色しやすいという問題があり、特に光(紫外線)による退色は大きな問題となっている。また、有機溶剤系の美爪料においては、有機系紫外線吸収剤であるオキシベンゾンを配合して退色を防止せんとしたものもあるが、有機系紫外線吸収剤は皮膚への刺激性が強く、配合しないことが望ましい。
【0007】
さらに、化粧品原料基準に記載されている紫外線吸収剤を水系美爪料に配合した場合には、水性ポリマーエマルジョンの凝集や破壊などが生じることもあり、安定性の点でも問題があった。
【0008】
さらにまた、水系美爪料に紫外線吸収剤を多量に配合することは、紫外線吸収剤自身の基剤への溶解性が低いことや、塗膜の形成能やはがれ又は光沢性に対して悪影響を及ぼすという理由から、実際上、退色防止効果を十分に発揮できる量の紫外線吸収剤を配合することは困難であるという問題点があった。
【0009】
そこで本発明は、従来の紫外線吸収剤を配合することなく、光(紫外線)に照射されても優れた抗退色性を示す水系美爪料を提供することを目的としてなされたものである。
【0010】
【課題を解決するための手段】
すなわち本発明の抗退色性に優れた水系美爪料は、イオン交換水に酸化チタンおよび有機顔料を分散させた後に、水性ポリマーエマルジョンを添加し、次いで他の成分を添加して均一に攪拌・混合することにより調製される水系美爪料において、上記酸化チタンを白色顔料として、平均粒子径が0.01〜0.25μmのルチル型の酸化チタンを〜10重量%含有させることを特徴とするものである。
【0011】
酸化チタンは白色顔料として従来から水系美爪料等に慣用されている。また、酸化チタンの結晶構造として代表的にはルチル型とアナターゼ型の2種類があることも知られている。
【0012】
本発明においては、これら2種類の結晶構造のうちの特にルチル型の酸化チタンを白色顔料として水系美爪料に含有させることにより、紫外線吸収剤を使用せずとも、紫外線照射により退色しにくい抗退色性に優れた水系美爪料を得ることができる。
【0013】
同じ酸化チタンでも、結晶構造の異なるアナターゼ型のものを使用した場合には抗退色性が得られず、ルチル型の酸化チタンを使用した場合のみにかような効果が得られることは、全く予期し得ないものであった。
【0014】
【発明の実施の形態】
本発明で使用するルチル型の酸化チタンは市販品として入手することができ、例えば「タイペークCR−50」(石原産業(株)製)、「バイエルチタンR−KB−2」、「バイエルチタンR−KB−3」(いずれもバイエル・ジャパン(株)より市販)等はルチル型の酸化チタンである。酸化チタンの粒子径は平均粒子径で0.01〜0.25μm程度のものが好ましく使用できる。
【0015】
なお、市販の酸化チタンはAl、Si、Zn、Zrなどの含水酸化物や、シリコンやフッ素、脂肪酸、ポリアクリル酸アルキル等の有機物で表面処理が施されているものもあるが、本発明ではルチル型の酸化チタンであれば、表面処理されているものでも使用することができる。
【0016】
ルチル型酸化チタンを含有する水系美爪料を調製するに際しては、皮膜形成剤となる水性ポリマーエマルジョンに直接ルチル型酸化チタンを添加、分散させてもよく、あるいはルチル型酸化チタンを予め界面活性剤等を用いて水に分散させたものを水性ポリマーエマルジョンに添加してもよい。ルチル型酸化チタンの含有量は、一般的には水系美爪料全量に対して〜10重量%の範囲とする。
【0017】
所望の色相の美爪料とするために、白色顔料としての酸化チタン以外に種々の顔料を着色剤として配合することができる。かような顔料としては、従来から水系美爪料の着色剤として慣用されている有機顔料や無機顔料がいずれも使用できる。
【0018】
本発明による水系美爪料の基本成分は、皮膜形成剤となる水性ポリマーエマルジョン、ルチル型酸化チタン、着色剤および水からなるものであるが、ルチル型酸化チタンによる抗退色性の効果を損なわない範囲で、水系美爪料成分として一般に慣用されている成分、例えば油分、保湿剤、紫外線吸収剤、キレート剤、pH調整剤、消泡剤、レベリング剤、増粘剤、染料、顔料、香料、防腐剤、アクリル系樹脂やナイロン系樹脂等の樹脂粉末等を適宜配合することができる。増粘剤としては、例えばポリビニルアルコール、ポリビニルピロリドン、ポリアクリルアミド、ポリエチレンオキシド、メチルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルメチルセルロース等の有機系増粘剤や、無機系のベントナイ卜等の水膨潤性粘土鉱物、ベーマイト等の含水酸化物、珪酸アルミニウムマグネシウム等の珪酸塩、無水珪酸等が使用できる。
【0019】
【実施例】
[実施例1〜4および比較例1〜4]
表1に示した組成に従い、イオン交換水に酸化チタンおよび有機顔料(赤色201号、赤色202号、赤色220号)を分散させた後、水性ポリマーエマルジョンを添加し、次いで他の成分を添加して均一に攪拌・混合することにより、水系美爪料(水系ネイルエナメル)を調製した。
得られた水系ネイルエナメルそれぞれについて、下記の評価方法に従って、抗退色性の評価を行った。その結果も表1に併せて示す。なお、表中の各成分の数字は重量%を表す。
【0020】
<抗退色性の評価方法>
各試料をガラスびんに2本ずつ充填して、1本を20時間水銀灯照射(JISK5400)した後、この退色の状態を残りの無照射の1本と目視で比較観察し、以下の基準で評価した。
◎:非常に良好(退色しなかった)
○:良好(僅かに退色した)
△:不良(退色した)
×:非常に不良(著しく退色した)
【0021】
【表1】

Figure 0004513199
【0022】
表1からわかるように、ルチル型酸化チタンを含有せしめた実施例1〜4の水系美爪料においてはいずれも有機顔料の色は退色せず、あるいはほんの僅かな退色しか生じず、抗退色性を示していた。これに対して、同じ酸化チタンでもアナターゼ型酸化チタンを含有せしめた比較例1〜4の水系美爪料では、著しい退色が認められた。
【0023】
【発明の効果】
以上の説明からわかるように、ルチル型の酸化チタンを白色顔料として水系美爪料に含有させることによって、紫外線吸収剤を配合せずとも、光(紫外線)照射に対して優れた抗退色性を示す水系美爪料を得ることができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water-based beauty nail material, and more particularly, to a water-based beauty nail material excellent in anti-fading property that is not easily faded by light (ultraviolet rays).
[0002]
[Prior art]
Conventional nail polishes are made by adding film forming agents such as nitrocellulose and resins such as alkyd resins, sulfonamide resins, sucrose resins, acrylic resins, and other additives such as plasticizers and coloring materials. A so-called solvent type dissolved in an organic solvent such as an ester type or a ketone type is generally used.
[0003]
However, these organic solvent-based nail polishes have excellent physical properties as a film-forming agent, but have problems such as flammability, solvent odor, and adverse effects on the human body due to the use of organic solvents. In addition, there is a problem to be improved in the adverse effect on the nail itself.
[0004]
In order to solve the above-mentioned problems of the organic solvent-based beauty nail material, an aqueous beauty nail material using an aqueous polymer emulsion or the like has been proposed as an alternative to the organic solvent-based beauty nail material.
[0005]
In addition, both organic solvent-based and water-based nail polishes contain organic pigments, inorganic pigments, pearl agents, etc. as coloring components, but they are rich in hue, clear and have a large decorative effect, and are transparent and colored. Organic pigments with excellent strength are widely used.
[0006]
[Problems to be solved by the invention]
However, organic pigments have a problem of fading easily due to external factors such as light, heat, and humidity, and fading due to light (ultraviolet rays) is a serious problem. In addition, some organic solvent-based nail polishes contain oxybenzone, an organic UV absorber, to prevent fading, but organic UV absorbers are highly irritating to the skin and contain It is desirable not to.
[0007]
Furthermore, when the ultraviolet absorber described in the cosmetic raw material standard is blended in the water-based beauty nail material, the aqueous polymer emulsion may be agglomerated or broken, which causes a problem in terms of stability.
[0008]
Furthermore, adding a large amount of an ultraviolet absorber to the water-based beauty nail preparation has a bad solubility in the base of the ultraviolet absorber itself, the ability to form a coating film, peeling or glossiness. For this reason, there is a problem that it is difficult to blend an ultraviolet absorber in an amount capable of sufficiently exhibiting the anti-fading effect.
[0009]
Then, this invention is made | formed for the purpose of providing the water-based beautiful nail material which shows the outstanding anti-fading property even if irradiated to light (ultraviolet rays), without mix | blending the conventional ultraviolet absorber.
[0010]
[Means for Solving the Problems]
In other words, the water-based nail polish excellent in anti-fading property of the present invention is obtained by dispersing titanium oxide and an organic pigment in ion-exchanged water, then adding an aqueous polymer emulsion, and then adding other components and stirring uniformly. In the water-based beauty nail preparation prepared by mixing, the titanium oxide is used as a white pigment, and 3 to 10% by weight of rutile type titanium oxide having an average particle diameter of 0.01 to 0.25 μm is contained. It is what.
[0011]
Titanium oxide is conventionally used as a white pigment in water-based beauty nails and the like. It is also known that there are typically two types of crystal structures of titanium oxide, a rutile type and an anatase type.
[0012]
In the present invention, by incorporating rutile type titanium oxide of these two kinds of crystal structures as a white pigment into the water-based nail polish, an anti-fading property due to ultraviolet irradiation can be obtained without using an ultraviolet absorber. A water-based beauty nail material excellent in fading property can be obtained.
[0013]
It is quite unexpected that anti-fading properties cannot be obtained when the same titanium oxide is used with anatase type having a different crystal structure, and only when rutile type titanium oxide is used. It was impossible.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
The rutile-type titanium oxide used in the present invention can be obtained as a commercial product. For example, “Taipeku CR-50” (manufactured by Ishihara Sangyo Co., Ltd.), “Bayer Titanium R-KB-2”, “Bayer Titanium R”. -KB-3 "(all commercially available from Bayer Japan Ltd.) and the like are rutile titanium oxide. The average particle diameter of titanium oxide is preferably about 0.01 to 0.25 μm.
[0015]
Some commercially available titanium oxides are surface-treated with water-containing oxides such as Al, Si, Zn, and Zr, and organic substances such as silicon, fluorine, fatty acids, and polyalkyl acrylates. Any rutile-type titanium oxide can be used even if it is surface-treated.
[0016]
When preparing a water-based nail polish containing rutile type titanium oxide, rutile type titanium oxide may be directly added to and dispersed in an aqueous polymer emulsion as a film forming agent. Alternatively, rutile type titanium oxide may be a surfactant in advance. What is dispersed in water using the above may be added to the aqueous polymer emulsion. The content of rutile titanium oxide is generally in the range of 3 to 10% by weight with respect to the total amount of the water-based beauty nail material.
[0017]
In order to obtain a beauty nail having a desired hue, various pigments can be blended as a colorant in addition to titanium oxide as a white pigment. As such a pigment, any of organic pigments and inorganic pigments conventionally used as a colorant for aqueous beauty nails can be used.
[0018]
The basic components of the water-based beauty nail preparation according to the present invention are composed of an aqueous polymer emulsion as a film forming agent, a rutile type titanium oxide, a colorant and water, but do not impair the anti-fading effect of the rutile type titanium oxide. In general, ingredients commonly used as water-based beauty nail ingredients such as oils, moisturizers, UV absorbers, chelating agents, pH adjusters, antifoaming agents, leveling agents, thickeners, dyes, pigments, fragrances, Preservatives, resin powders such as acrylic resins and nylon resins, and the like can be appropriately blended. Examples of the thickener include organic thickeners such as polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, polyethylene oxide, methylcellulose, hydroxyethylcellulose, and hydroxypropylmethylcellulose, water-swelling clay minerals such as inorganic bentonite, and boehmite. Hydrous oxides such as silicates, silicates such as aluminum magnesium silicate, silicic anhydride and the like can be used.
[0019]
【Example】
[Examples 1 to 4 and Comparative Examples 1 to 4]
In accordance with the composition shown in Table 1, after dispersing titanium oxide and organic pigment (red 201, red 202, red 220) in ion-exchanged water, an aqueous polymer emulsion is added, and then other components are added. By stirring and mixing uniformly, an aqueous nail polish (aqueous nail enamel) was prepared.
Each of the obtained water-based nail enamels was evaluated for anti-fading according to the following evaluation method. The results are also shown in Table 1. In addition, the number of each component in a table | surface represents weight%.
[0020]
<Evaluation method of anti-fading property>
After filling each sample into a glass bottle and irradiating one with a mercury lamp for 20 hours (JISK5400), this fading state is visually compared with the remaining unirradiated one and evaluated according to the following criteria: did.
A: Very good (not fading)
○: Good (slightly faded)
Δ: Bad (fading)
×: Very bad (remarkably faded)
[0021]
[Table 1]
Figure 0004513199
[0022]
As can be seen from Table 1, in any of the water-based nail polishes of Examples 1 to 4 containing rutile type titanium oxide, the color of the organic pigment does not fade, or only slight fading occurs, resulting in anti-fading properties. Was showing. On the other hand, remarkable fading was recognized in the water-based beautiful nail materials of Comparative Examples 1 to 4 in which anatase-type titanium oxide was contained even with the same titanium oxide.
[0023]
【The invention's effect】
As can be seen from the above explanation, by incorporating rutile-type titanium oxide as a white pigment in a water-based beauty nail material, excellent anti-fading property against light (ultraviolet) irradiation can be obtained without adding an ultraviolet absorber. The water-based beautiful nail material shown can be obtained.

Claims (1)

イオン交換水に酸化チタンおよび有機顔料を分散させた後に、水性ポリマーエマルジョンを添加し、次いで他の成分を添加して均一に攪拌・混合することにより調製される水系美爪料において、
上記酸化チタンを白色顔料として、平均粒子径が0.01〜0.25μmのルチル型の酸化チタンを〜10重量%含有させることを特徴とする抗退色性に優れた水系美爪料。
In an aqueous beauty nail preparation prepared by dispersing an aqueous polymer emulsion after dispersing titanium oxide and an organic pigment in ion-exchanged water, then adding other ingredients and stirring and mixing uniformly.
A water-based nail polish excellent in anti-fading property, characterized by containing 3 to 10% by weight of rutile type titanium oxide having an average particle diameter of 0.01 to 0.25 μm using the above-mentioned titanium oxide as a white pigment.
JP2000309138A 2000-10-10 2000-10-10 Water-based nail polish with excellent anti-fading properties Expired - Lifetime JP4513199B2 (en)

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US9649261B2 (en) 2004-10-05 2017-05-16 L'oreal Method of applying makeup to a surface and a kit for implementing such a method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103516A (en) * 1990-08-21 1992-04-06 Kao Corp Water-based manicure cosmetic
JPH07267824A (en) * 1994-03-30 1995-10-17 Pola Chem Ind Inc Cosmetic compounded with organic-inorganic composite pigment
JPH0840834A (en) * 1994-07-29 1996-02-13 Kao Corp Fading-resistant and water-born manicure agent
JPH08127513A (en) * 1994-10-28 1996-05-21 Pola Chem Ind Inc Cosmetic

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103516A (en) * 1990-08-21 1992-04-06 Kao Corp Water-based manicure cosmetic
JPH07267824A (en) * 1994-03-30 1995-10-17 Pola Chem Ind Inc Cosmetic compounded with organic-inorganic composite pigment
JPH0840834A (en) * 1994-07-29 1996-02-13 Kao Corp Fading-resistant and water-born manicure agent
JPH08127513A (en) * 1994-10-28 1996-05-21 Pola Chem Ind Inc Cosmetic

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