JP2008063253A - Temporary hair dyeing agent - Google Patents

Temporary hair dyeing agent Download PDF

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JP2008063253A
JP2008063253A JP2006240674A JP2006240674A JP2008063253A JP 2008063253 A JP2008063253 A JP 2008063253A JP 2006240674 A JP2006240674 A JP 2006240674A JP 2006240674 A JP2006240674 A JP 2006240674A JP 2008063253 A JP2008063253 A JP 2008063253A
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hair
pigment
viscosity
temporary hair
hair dye
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Takao Shinozaki
孝夫 篠崎
Shingo Komaba
真吾 駒場
Mamiko Takase
磨美子 高瀬
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Kao Corp
Tokiwa Corp
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Kao Corp
Tokiwa Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a temporary hair dyeing agent which easily adheres to the hair, readily spreads in application, hardly drips from an applicator and has a slight rise in viscosity with time regardless of combined use of inorganic pigment and organic pigment. <P>SOLUTION: The temporary hair dyeing agent comprises inorganic pigment and organic pigment and has a content ratio X of organic pigment/inorganic pigment of 0.001<X<0.5 or 2.5<X<1,000 and a viscosity of 50-30,000 mPa s. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、無機顔料及び有機顔料を含有する一時染毛料、特に頭髪用一時染毛料に関する。   The present invention relates to a temporary hair dye containing an inorganic pigment and an organic pigment, and particularly to a temporary hair dye for hair.

白髪を隠したり個人の好みに合わせ髪色を変化させるために、しばしば頭髪に対して染毛が行われる。染毛料は、酸化染料を用いて頭髪中で発色させて着色する永久染毛料(ヘアカラー)、酸性染料を頭髪に浸透吸着させて着色する半永久染毛料(ヘアマニキュア)、頭髪上に顔料を含む着色皮膜を形成して着色する一時染毛料などに分類される。このうち、一時染毛料は、頭髪へのダメージが少なく、また、洗髪により容易に除去でき簡便に用いることができることから、気軽に毛染めを楽しむことができるものとして好まれている。   Often hair is dyed on the hair to hide gray hair or change hair color to personal preference. Hair dyes include permanent hair dyes (hair colors) that are colored by coloring in the hair using an oxidative dye, semi-permanent hair dyes (hair manicure) that are colored by penetrating and adsorbing acid dyes to the hair, and pigments on the hair. It is classified as a temporary hair dye that forms a colored film to be colored. Of these, temporary hair dyes are preferred as being able to easily enjoy hair dyeing because they are less damaging to the hair, can be easily removed by washing the hair, and can be used easily.

一時染毛料における顔料としては、無機顔料、有機顔料、又はこれらの組合せが用いられる(例えば、特許文献1及び2参照)。一時染毛料は、頭髪へのつきやすさ、塗布時の伸びやすさ、塗布具からの垂れにくさの観点から、適切な粘度であることが望まれるが、本発明者らは、無機顔料と有機顔料を併用した場合には、保存安定性が低下し、経時で粘度が上昇し、使用感が損なわれる場合があることを見出した。   As the pigment in the temporary hair dye, an inorganic pigment, an organic pigment, or a combination thereof is used (see, for example, Patent Documents 1 and 2). The temporary hair dye is desired to have an appropriate viscosity from the viewpoint of easy attachment to the hair, ease of elongation at the time of application, and difficulty of dripping from the applicator. It has been found that when an organic pigment is used in combination, the storage stability decreases, the viscosity increases with time, and the feeling in use may be impaired.

特開昭63-218614号公報Japanese Unexamined Patent Publication No. 63-218614 特開平09-208436号公報JP 09-208436 A

したがって、本発明は、頭髪へつきやすく、塗布時に伸びやすく、塗布具から垂れにくく、無機顔料及び有機顔料を併用するにも関わらず経時の粘度上昇が小さい一時染毛料を提供することを目的とする。   Accordingly, an object of the present invention is to provide a temporary hair dye that is easily attached to the hair, easily stretched at the time of application, difficult to sag from the applicator, and has a small increase in viscosity over time despite the combined use of inorganic pigments and organic pigments. To do.

本発明者は、一時染毛料での有機顔料/無機顔料の質量比X及び一時染毛料の粘度を特定の値とすることにより上記課題を解決できることを見出した。   The present inventor has found that the above problem can be solved by setting the organic pigment / inorganic pigment mass ratio X in the temporary hair dye and the viscosity of the temporary hair dye to specific values.

すなわち、本発明は、無機顔料及び有機顔料を含み、前記有機顔料/前記無機顔料の質量比Xが、0.001<X<0.5又は2.5<X<1000であり、粘度が50〜30000mPa・sである一時染毛料を提供するものである。   That is, the present invention includes an inorganic pigment and an organic pigment, wherein the mass ratio X of the organic pigment / the inorganic pigment is 0.001 <X <0.5 or 2.5 <X <1000, and the viscosity is 50 to 30000 mPa · s. Temporary hair dye is provided.

本発明の一時染毛料は、頭髪へつきやすく、塗布時に伸びやすく、塗布具から垂れにくく、無機顔料及び有機顔料を併用するにも関わらず経時の粘度上昇が小さいものである。   The temporary hair dye of the present invention is easily attached to the hair, easily stretched at the time of application, does not easily drip from the applicator, and has a small increase in viscosity over time despite the use of an inorganic pigment and an organic pigment in combination.

本発明に用いられる無機顔料としては、黒酸化チタン、亜鉛華、べんがら、酸化クロム、黒色酸化鉄、コバルトブルー、アルミナホワイト、黄色酸化鉄、ビリジアン、硫化亜鉛、リトポン、カドミウムエロー、朱、カドミウムレッド、黄鉛、モリブデードオレンジ、ジンククロメート、ストロンチウムクロメート、群青、鉛白、紺青、マンガンバイオレット、アルミニウム粉、真鍮粉等が挙げられ、このうち、黒酸化チタン、べんがら、黒色酸化鉄、黄色酸化鉄が好ましく、さらに黒酸化チタンが好ましい。   Examples of the inorganic pigment used in the present invention include black titanium oxide, zinc white, red bean, chromium oxide, black iron oxide, cobalt blue, alumina white, yellow iron oxide, viridian, zinc sulfide, lithopone, cadmium yellow, vermilion, and cadmium red. , Yellow lead, molybdate orange, zinc chromate, strontium chromate, ultramarine, lead white, bitumen, manganese violet, aluminum powder, brass powder, etc., among which black titanium oxide, brown rice, black iron oxide, yellow iron oxide Is preferable, and black titanium oxide is more preferable.

無機顔料の含有量は、分散安定性の点から本発明の一時染毛料全量中の0.1〜20質量%であるのが好ましい。更に好ましくは、0.5〜10質量%、特に好ましくは1〜6質量%である。   The content of the inorganic pigment is preferably 0.1 to 20% by mass in the total amount of the temporary hair dye of the present invention from the viewpoint of dispersion stability. More preferably, it is 0.5-10 mass%, Most preferably, it is 1-6 mass%.

本発明に用いられる有機顔料としては、赤色201号、赤色202号、赤色203号、赤色204号、赤色205号、赤色206号、赤色207号、赤色208号、赤色219号、赤色220号、赤色221号、赤色228号、赤色404号、橙色203号、橙色204号、黄色205号、赤色405号、橙色401号、黄色401号、青色404号等が挙げられ、このうち、赤色202号、赤色404号、黄色205号、黄色401号、青色404号が好ましい。   As organic pigments used in the present invention, red 201, red 202, red 203, red 204, red 205, red 206, red 207, red 208, red 219, red 220, Red 221, Red 228, Red 404, Orange 203, Orange 204, Yellow 205, Red 405, Orange 401, Yellow 401, Blue 404, etc. Of these, Red 202 Red 404, yellow 205, yellow 401 and blue 404 are preferred.

有機顔料の含有量は、分散安定性の点から本発明の一時染毛料全量中の0.1〜20質量%であるのが好ましい。   The content of the organic pigment is preferably 0.1 to 20% by mass in the total amount of the temporary hair dye of the present invention from the viewpoint of dispersion stability.

本発明の一時染毛料において、無機顔料及び有機顔料の合計量は、頭髪の染色性、白髪の隠蔽性、塗布後の感触の点で、一時染毛料全量中の0.1〜20質量%、更に1〜15質量%、特に5〜12質量%が好ましい。   In the temporary hair dye of the present invention, the total amount of the inorganic pigment and the organic pigment is 0.1 to 20% by mass based on the total amount of the temporary hair dye, and further 1 in terms of hair dyeability, white hair concealment, and feel after application. -15% by mass, particularly 5-12% by mass is preferred.

本発明の一時染毛料は、含まれる無機顔料と有機顔料の質量比が、有機顔料/無機顔料の質量比X(有機顔料の無機顔料に対する質量比率)を、0.001<X<0.5又は2.5<X<1000とするものである。このうち、0.005<X<0.3又は2.5<X<100、特に0.01<X<0.2又は3<X<5とするのが、頭髪用、特に白髪用の色を設計する点で好ましい。   In the temporary hair dye of the present invention, the mass ratio of the inorganic pigment to the organic pigment is such that the mass ratio X of the organic pigment / inorganic pigment (the mass ratio of the organic pigment to the inorganic pigment) is 0.001 <X <0.5 or 2.5 <X. <1000. Among these, 0.005 <X <0.3 or 2.5 <X <100, particularly 0.01 <X <0.2 or 3 <X <5 is preferable in terms of designing a color for hair, particularly for white hair.

これらの無機顔料及び有機顔料は、分散媒に共存下で粉砕混合してもよい。この場合頭髪への塗布後の感触および発色のよさの点から、この粉砕混合ののちの無機顔料及び有機顔料の最大粒径が20μm未満、好ましくは10μm未満、さらに好ましくは5μm未満となるようにするのが好ましい。ここで顔料の最大粒径の具体的測定においては、染毛料の液を25℃にて振とうし、均一な状態にした後スライドグラスに一滴滴下し、顕微鏡で観察可能な状態まで液を薄く伸ばした後、室温放置にて乾燥させる。これをニコン社の光学顕微鏡(型番ECLIPSE E800)にて倍率を200倍にし、ポラロイド社の顕微鏡用デジタルカメラ(型番PDMCIIi)と、それに付属するソフト(PDMCII)にて5箇所撮影する。この写真よりスケールを用いて各1箇所の撮影に存在する顔料の最大粒径を測定し、撮影した5箇所の平均を顔料の最大粒径とするものとする。   These inorganic pigments and organic pigments may be pulverized and mixed in the dispersion medium in the coexistence. In this case, the maximum particle size of the inorganic pigment and the organic pigment after this pulverization and mixing is less than 20 μm, preferably less than 10 μm, more preferably less than 5 μm, from the point of touch after hair application and good color development. It is preferable to do this. Here, in the specific measurement of the maximum particle size of the pigment, the hair dye liquid is shaken at 25 ° C. to make it uniform, and then a drop is dropped on a slide glass, and the liquid is thinned until it can be observed with a microscope. After stretching, dry at room temperature. This is magnified 200 times with a Nikon optical microscope (model ECLIPSE E800), and five locations are photographed with a Polaroid microscope digital camera (model PDMCIIi) and the software (PDMCII) attached thereto. From this photograph, the maximum particle size of the pigment present in each one of the shootings is measured using a scale, and the average of the five shots is taken as the maximum particle size of the pigment.

粉砕混合の際に用いられる分散媒としては、適度に粘稠で無機顔料及び有機顔料を分散できれば制限されないが、特にグリセリン、ジプロピレングリコール、1,3-ブチレングリコール、ソルビットなどのポリオール類の1種又は2種以上等が挙げられ、分散媒の粘度が10〜10000mPa・sのものが好ましく、特に50〜5000mPa・sのものが好ましい。   The dispersion medium used for pulverization and mixing is not particularly limited as long as it is moderately viscous and can disperse inorganic pigments and organic pigments. In particular, it is one of polyols such as glycerin, dipropylene glycol, 1,3-butylene glycol, and sorbit. The viscosity of the dispersion medium is preferably 10 to 10,000 mPa · s, and particularly preferably 50 to 5000 mPa · s.

顔料の粉砕混合は、ボールミル、ビーズミル、サンドミル、ロールミル、ニーダー、ホモジナイザー、超音波分散機などにより行うことができる。   The pigment can be pulverized and mixed using a ball mill, bead mill, sand mill, roll mill, kneader, homogenizer, ultrasonic disperser, or the like.

本発明の一時染毛料の粘度は、頭髪へのつきやすさ、塗布時の伸びやすさ、塗布具からの垂れにくさの点で、50mPa・s〜30000mPa・sである。特に本発明の一時染毛料をマスカラブラシによって頭髪に塗布する場合、さらに好ましい粘度は、伸びのよさの点で、60mPa・s〜15000mPa・s、特に70mPa・s〜10000mPa・s、更に80mPa・s〜5000mPa・sである。ここで粘度は、一時染毛料40gをマルエム社のスクリュー管No.7(50cc)に入れ、BM型粘度計(VISCOMETER、TOKIMEC社)を使用し、25℃にて1分間ローターを回転させた後に測定したものとする。ここで測定する一時染毛料が100mPa・s未満の場合には、ローターNo.2を用い回転数60rpmで、100mPa・s以上2000mPa・s未満の場合には、ローターNo.2を用い回転数12rpmで、2000mPa・s以上8000mPa・s未満の場合には、ローターNo.3を用い回転数12rpmで、8000mPa・s以上40000mPa・s未満の場合には、ローターNo.4を用い回転数12rpmで測定するものとする。また、ここでマスカラブラシとは、特開2004-229748号公報の図1のように芯体にブラシ毛を装着させた塗布具をいう。   The temporary hair dye of the present invention has a viscosity of 50 mPa · s to 30000 mPa · s in terms of easy attachment to hair, ease of elongation during application, and difficulty in dripping from the applicator. Particularly when the temporary hair dye of the present invention is applied to the hair with a mascara brush, a more preferable viscosity is 60 mPa · s to 15000 mPa · s, particularly 70 mPa · s to 10000 mPa · s, more preferably 80 mPa · s, in terms of elongation. ~ 5000mPa · s. Here, after adding 40g of temporary hair dye to Marum's screw tube No.7 (50cc) and using a BM type viscometer (VISCOMETER, TOKIMEC) and rotating the rotor for 1 minute at 25 ° C Measured. If the temporary hair dye to be measured is less than 100 mPa · s, use the rotor No. 2 at 60 rpm, and if it is 100 mPa · s or more and less than 2000 mPa · s, use the rotor No. 2 and use the rotor 12 rpm. In the case of 2000 mPa · s or more and less than 8000 mPa · s, the rotor No. 3 is used at 12 rpm, and in the case of 8000 mPa · s or more and less than 40000 mPa · s, the rotor No. 4 is used and measured at 12 rpm. It shall be. Here, the mascara brush refers to an applicator in which brush hairs are attached to the core body as shown in FIG. 1 of JP-A-2004-229748.

本発明の一時染毛料には、これらのほかに、通常染毛料に用いられる成分を添加することができ、例えば、被膜形成ポリマー;界面活性剤;香料;油脂;難揮発性炭化水素類;シリコーンオイル;水;エタノール、イソプロパノール等の低級アルコール;ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、カルボキシビニルポリマー等の増粘剤;防腐剤;紫外線吸収剤;キレート剤;酸化防止剤;植物抽出物などを例示することができる。   In addition to these, components that are usually used in hair dyes can be added to the temporary hair dye of the present invention. For example, a film-forming polymer; a surfactant; a fragrance; an oil and fat; a hardly volatile hydrocarbon; Oil; water; lower alcohols such as ethanol and isopropanol; thickeners such as hydroxyethylcellulose, hydroxypropylcellulose, carboxyvinyl polymer; preservatives; ultraviolet absorbers; chelating agents; antioxidants; Can do.

被膜形成ポリマーは、髪の表面に被膜を形成して頭髪セット性を示すものである。被膜形成ポリマーとしてはノニオンポリマー、カチオンポリマー、アニオンポリマー及び両性ポリマーが挙げられ、2種以上を併用してもよい。   The film-forming polymer forms a film on the surface of the hair and exhibits hair setting properties. Examples of the film-forming polymer include nonionic polymers, cationic polymers, anionic polymers and amphoteric polymers, and two or more kinds may be used in combination.

ノニオンポリマーとしては、例えばルビスコールK12、17、30、60、80、90(以上、BASF社)、PVP K15、30、60、90(以上、GAF社)等のポリビニルピロリドン;ルビスコールVA28、37、55、64、73、VA37E(以上、BASF社)、PVP/VA E-735、E-635、E-535、E-335、S-630、W-735(以上、GAF社)等のポリビニルピロリドン/酢酸ビニルコポリマー;ルビスコールVAP343(BASF社)等のポリビニルピロリドン/酢酸ビニル/プロピオン酸ビニル三元コポリマー;Dowtex(ダウ・ケミカル社)等の酢酸ビニル/N-ビニル-5-メチル-2-オキサゾリンコポリマー等が挙げられる。   Nonionic polymers include, for example, polyvinylpyrrolidone such as Rubiscol K12, 17, 30, 60, 80, 90 (above BASF), PVP K15, 30, 60, 90 (above GAF); Lubiscol VA28, 37 , 55, 64, 73, VA37E (above, BASF), PVP / VA E-735, E-635, E-535, E-335, S-630, W-735 (above, GAF) etc. Pyrrolidone / vinyl acetate copolymer; Polyvinylpyrrolidone / vinyl acetate / vinyl propionate ternary copolymer such as Rubiscol VAP343 (BASF); Vinyl acetate / N-vinyl-5-methyl-2- such as Dowtex (Dow Chemical) Examples include oxazoline copolymers.

カチオンポリマーとしては、例えばルビカットFC370、FC550、FC905、HM552、MonoCP(以上、BASF社)等のビニルイミダゾリウムクロライド/ビニルピロリドンコポリマー;セルカットH-100(粘度1000cps)、L-200(粘度100cps)(以上、ナショナル・スターチ社)等のヒドロキシエチルセルロース/ジメチルジアリルアンモニウムクロリド;ガフカット734、755N、755(以上、GAF社)等のビニルピロリドン/四級化ジメチルアミノエチルメタクリレートコポリマー;ルビフレックス(BASF社)、コポリマー845、937、958(以上、GAF社)等のポリビニルピロリドン/アルキルアミノアクリレートコポリマー;コポリマーVC-713(GAF社)等のポリビニルピロリドン/アルキルアミノアクリレート/ビニルカプロラクタムコポリマー;ガフカットHS-100(ISP社)等のビニルピロリドン/メタクリルアミドプロピル塩化トリメチルアンモニウムコポリマー;特開平2-180911号公報に記載の水溶性高分子化合物等のアルキルアクリルアミド/アクリレート/アルキルアミノアルキルアクリルアミド/ポリエチレングリコールメタクリレートコポリマー、N-プロピオニルポリエチレンイミン/メチルポリシロキサンコポリマー、アクリル酸アミド/アクリル酸/アルキルメタクリル酸/メトキシポリエチレングリコールコポリマー、アクリル酸アミド/アクリル酸エステルコポリマー等が挙げられる。   Examples of the cationic polymer include vinyl imidazolium chloride / vinyl pyrrolidone copolymers such as Rubycut FC370, FC550, FC905, HM552, MonoCP (above, BASF); Cellcut H-100 (viscosity 1000 cps), L-200 (viscosity 100 cps) (National Starch Co., Ltd.) Hydroxyethyl cellulose / dimethyl diallylammonium chloride such as Guffcut 734, 755N, 755 (above, GAF Co.) vinyl pyrrolidone / quaternized dimethylaminoethyl methacrylate copolymer; Rubyflex (BASF) Polyvinylpyrrolidone / alkylaminoacrylate copolymers such as copolymers 845, 937, 958 (above GAF); polyvinylpyrrolidone / alkylaminoacrylate / vinylcaprolactam copolymers such as copolymer VC-713 (GAF); Guffcut HS-100 (ISP Vinyl pyro) Lidon / methacrylamidopropyl trimethylammonium chloride copolymer; alkylacrylamide / acrylate / alkylaminoalkylacrylamide / polyethylene glycol methacrylate copolymer such as water-soluble polymer compound described in JP-A-2-809911, N-propionyl polyethyleneimine / methyl poly Examples thereof include siloxane copolymers, acrylic acid amide / acrylic acid / alkyl methacrylic acid / methoxypolyethylene glycol copolymers, and acrylic acid amide / acrylic acid ester copolymers.

アニオンポリマーとしては、例えばガントレッツES-225、ES-425、SP-215(以上、GAF社)等のメチルビニルエーテル/無水マレイン酸アルキルハーフエステルコポリマー;レジン28-1310(ナショナル・スターチ社)、ルビセットCA(BASF社)等の酢酸ビニル/クロトン酸コポリマー;レジン28-2930(ナショナル・スターチ社)等の酢酸ビルニ/クロトン酸/ネオデカン酸ビニルコポリマー;ルビセットCAP(BASF社)等の酢酸ビニル/クロトン酸/プロピオン酸ビニルコポリマー;ADVANTAGECP(ISP社)等の酢酸ビニル/マレイン酸モノブチルエステル/イソポロニルアクリレートコポリマー;プラスサイズL53P、L-75CB、L-9540B(互応化学社)、ダイヤホールド(三菱化学社)等の(メタ)アクリル酸/(メタ)アクリル酸エステルコポリマー;ウルトラホールド8、ウルトラホールド・ストロング(以上、BASF社)、アンフォーマーV-42(ナショナル・スターチ社)等のアクリル酸/アクリル酸アルキルエステル/アルキルアクリルアミドコポリマー;ルビフレックスVBM35(BASF社)等のポリビニルピロリドン/アクリレート/(メタ)アクリル酸コポリマー等が挙げられる。   Examples of anionic polymers include methyl vinyl ether / alkyl maleic anhydride alkyl half ester copolymers such as Gantrez ES-225, ES-425, and SP-215 (above, GAF); Resin 28-1310 (National Starch), Rubyset CA Vinyl acetate / crotonic acid copolymer such as (BASF); Vilni acetate / crotonic acid / neodecanoic acid vinyl copolymer such as resin 28-2930 (National Starch); Vinyl acetate / crotonic acid such as Rubyset CAP (BASF) / Vinyl propionate copolymer; Vinyl acetate / maleic acid monobutyl ester / isopolonyl acrylate copolymer such as ADVANTAGECP (ISP); Plus size L53P, L-75CB, L-9540B (Kyoto Chemical Co.), Diamond (Mitsubishi Chemical Co., Ltd.) ) And other (meth) acrylic acid / (meth) acrylic acid ester copolymers; Ultrahold 8 Acrylic acid / alkyl acrylate / alkyl acrylamide copolymers such as Ultrahold Strong (above, BASF) and Anformer V-42 (National Starch); Polyvinylpyrrolidone such as Rubiflex VBM35 (BASF) / Examples include acrylate / (meth) acrylic acid copolymers.

両性ポリマーとしては、例えばユカフォーマーR205、R205S、510、SM、301、AMPHOSET、104D、202(以上、三菱化学社)等の(メタクリロイルオキシエチルカルボキシベタイン/メタクリル酸アルキル)コポリマー;アンフォーマー28-4910、LV-71(以上、ナショナル・スターチ社)等のアクリル酸ヒドロキシプロピル/メタクリル酸ブチルアミノエチル/アクリル酸オクチルアミドコポリマー等が挙げられる。   Examples of amphoteric polymers include (methacryloyloxyethylcarboxybetaine / alkyl methacrylate) copolymers such as Yucaformer R205, R205S, 510, SM, 301, AMPHOSET, 104D, 202 (and above, Mitsubishi Chemical); Amformer 28-4910 , LV-71 (above, National Starch Co., Ltd.) and the like, and the like, such as hydroxypropyl acrylate / butylaminoethyl methacrylate / octylamide acrylate copolymer.

これらの被膜形成ポリマーのうち、(メタ)アクリル系ポリマーが好ましく、この中でも(メタクリロイルオキシエチルカルボキシベタイン/メタクリル酸アルキル)コポリマー(例えば、ユカフォーマー202、三菱化学社)が好ましい。   Among these film-forming polymers, (meth) acrylic polymers are preferable, and among these, (methacryloyloxyethylcarboxybetaine / alkyl methacrylate) copolymers (for example, Yucaformer 202, Mitsubishi Chemical Corporation) are preferable.

被膜形成ポリマーを用いる場合、その含有量は、本発明の一時染毛料全量中の3質量%〜15質量%とするのが、固着性、髪の感触の点で好ましい。   In the case of using a film-forming polymer, the content thereof is preferably 3% by mass to 15% by mass in the total amount of the temporary hair dye of the present invention, from the viewpoint of stickiness and hair feel.

低級アルコールとしてはメタノール、エタノール、n-プロパノール、イソプロパノール等が挙げられるが、特にエタノール、イソプロパノールが好ましい。   Examples of the lower alcohol include methanol, ethanol, n-propanol, isopropanol and the like, and ethanol and isopropanol are particularly preferable.

低級アルコールを用いる場合、2種以上を組み合わせて用いてもよく、その含有量は、一時染毛料全量中の35質量%〜80質量%が好ましい。   When using lower alcohol, you may use it in combination of 2 or more type, and the content has 35 to 80 mass% in the total amount of temporary hair dye.

これらの成分の本発明の一時染毛料への混合方法は、特に制限されないが、顔料を分散媒共存下で粉砕混合する場合には、顔料の分散混合効率の観点から、あらかじめ分散媒と顔料を粉砕混合し顔料ペーストを得たのち、得られた顔料ペーストにこれらの成分を混合するのが好ましいが、これら全ての成分を一度に混合して粉砕混合を行ってもよい。   The method for mixing these components into the temporary hair dye of the present invention is not particularly limited. However, when the pigment is pulverized and mixed in the presence of the dispersion medium, the dispersion medium and the pigment are previously mixed from the viewpoint of the dispersion and mixing efficiency of the pigment. It is preferable to pulverize and mix to obtain a pigment paste, and then mix these components with the obtained pigment paste. However, all these components may be mixed at one time for pulverization and mixing.

本発明の一時染毛料の容器としては、当該染毛料を頭髪に適量塗布するに適したものであれば特に制限されないが、好ましくは、簡便性の点から市販されているマスカラ容器のように染毛料が充填された樹脂容器本体および塗布具と一体となったキャップから構成される容器が挙げられる。   The temporary hair dye container of the present invention is not particularly limited as long as it is suitable for applying an appropriate amount of the hair dye to the hair, but it is preferably dyed like a commercially available mascara container from the viewpoint of simplicity. Examples thereof include a container composed of a resin container body filled with hair material and a cap integrated with an applicator.

実施例1〜2及び比較例1〜5
常法に従って、表1に示す組成の各一時染毛料を製造した。得られた各一時染毛料につき、以下の評価方法に従って、「頭髪へのつきやすさ」、「塗布時の伸びやすさ」及び「塗布具からの垂れにくさ」を評価するとともに、経時の粘度変化を調べた。
Examples 1-2 and Comparative Examples 1-5
According to a conventional method, each temporary hair dye having the composition shown in Table 1 was produced. For each of the obtained temporary hair dyes, according to the following evaluation method, the “ease of sticking to the hair”, “ease of elongation when applied” and “hardness to sag from the applicator” were evaluated, and the viscosity over time We examined changes.

評価方法
1gの日本人トレスに各一時染毛料0.2gをマスカラブラシ(型番PH-1E、篠原社)で塗布し、乾燥後、5人の専門パネラーが評価した。各自1〜5の5段階で「頭髪へのつきやすさ」、「塗布時の伸びやすさ」及び「塗布具からの垂れにくさ」を評価し、それぞれにつき平均値を求めた。その値Yが4<Y≦5なら◎、3<Y≦4なら○、2<Y≦3なら△、1≦Y≦2なら×とした。結果を表1に併せて示す。
Evaluation method Each temporary hair dye of 0.2 g was applied to 1 g of Japanese tress with a mascara brush (model number PH-1E, Shinoharasha), and after drying, 5 expert panelists evaluated. “Ease of attaching to hair”, “Ease of elongation at the time of application”, and “Difficult to sag from the applicator” were evaluated in 5 stages of 1 to 5, and an average value was obtained for each. If the value Y is 4 <Y ≦ 5, ◎ if 3 <Y ≦ 4, Δ if 2 <Y ≦ 3, and x if 1 ≦ Y ≦ 2. The results are also shown in Table 1.

粘度
得られた一時染毛料を40℃で1ヶ月保存し、保存後の染毛料及び製造直後の染毛料につき粘度を測定した。保存後のものの粘度から製造直後のものの粘度を減じ、得られた値を粘度変化(Δ粘度)とした。結果を表1に併せて示す。なお、粘度の測定は、それぞれの一時染毛料40gをスクリュー管No.7(50cc)(マルエム社)に入れ、BM型粘度計(VISCOMETER、TOKIMEC社)を使用し、25℃にて1分間ローターを回転させた後に行った。また、粘度測定でのローター及び回転数は、一時染毛料の粘度が100mPa・s未満のものは、ローターNo.2、60rpmとし、100mPa・s以上2000mPa・s未満のものは、ローターNo.2、12rpmとし、2000mPa・s以上8000mPa・s未満のものは、ローターNo.3、12rpmとし、8000mPa・s以上40000mPa・s未満のものは、ローターNo.4、12rpmとした。
Viscosity The obtained temporary hair dye was stored at 40 ° C. for 1 month, and the viscosity of the hair dye after storage and the hair dye immediately after production was measured. The viscosity of the product after storage was subtracted from the viscosity of the product after storage, and the obtained value was defined as the viscosity change (Δ viscosity). The results are also shown in Table 1. Viscosity was measured by putting 40g of each temporary hair dye into a screw tube No. 7 (50cc) (Marem) and using a BM viscometer (VISCOMETER, TOKIMEC) for 1 minute at 25 ° C. This was done after rotating. In addition, the rotor and the number of rotations in the viscosity measurement are the rotor No. 2 when the viscosity of the temporary hair dye is less than 100 mPa · s, and the rotor No. 2 when the viscosity is 100 mPa · s or more and less than 2000 mPa · s. 12 rpm, those with 2000 mPa · s or more and less than 8000 mPa · s were set to rotor No. 3 and 12 rpm, and those with 8000 mPa · s to less than 40000 mPa · s were set to rotor No. 4 and 12 rpm.

Figure 2008063253
Figure 2008063253

表1に示すように、実施例1及び2の一時染毛料は、頭髪へつきやすく、塗布時に伸びやすく、塗布具から垂れにくく、無機顔料及び有機顔料を併用するにも関わらず経時の粘度上昇が小さいものであった。
これに対し、比較例1及び4の一時染毛料は、経時による粘度上昇の問題はないものの、初期粘度が低すぎるため、塗布具から垂れやすく、一時染毛料として使用しにくいものであった。また、比較例2、3及び5の一時染毛料は、経時の粘度上昇が大きく、また、頭髪へのつきやすさや塗布時の伸びやすさの点で劣った。比較例5の一時染毛料は、製造直後のものであっても粘度が高く、一時染毛料としては使用できなかった。
As shown in Table 1, the temporary hair dyes of Examples 1 and 2 are easily attached to the hair, easily stretched during application, hardly drip from the applicator, and increase in viscosity over time despite the use of inorganic pigments and organic pigments in combination. Was small.
On the other hand, although the temporary hair dye of Comparative Examples 1 and 4 did not have a problem of increase in viscosity over time, the initial viscosity was too low, so that it was easy to drip from the applicator and was difficult to use as a temporary hair dye. In addition, the temporary hair dyes of Comparative Examples 2, 3, and 5 had a large increase in viscosity over time, and were inferior in terms of ease of attaching to hair and ease of elongation during application. The temporary hair dye of Comparative Example 5 had a high viscosity even when it was just manufactured, and could not be used as a temporary hair dye.

Claims (2)

無機顔料及び有機顔料を含み、前記有機顔料/前記無機顔料の質量比Xが、0.001<X<0.5又は2.5<X<1000であり、粘度が50〜30000mPa・sである一時染毛料。   A temporary hair dye comprising an inorganic pigment and an organic pigment, wherein the mass ratio X of the organic pigment / the inorganic pigment is 0.001 <X <0.5 or 2.5 <X <1000, and the viscosity is 50 to 30000 mPa · s. 無機顔料が黒酸化チタンである請求項1記載の一時染毛料。   The temporary hair dye according to claim 1, wherein the inorganic pigment is black titanium oxide.
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2020527142A (en) * 2017-07-11 2020-09-03 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA Water resistant cosmetic for temporary color change of keratin substance I

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JPS62177070A (en) * 1986-01-30 1987-08-03 Pilot Ink Co Ltd Coloring solution
JPH09208436A (en) * 1995-11-30 1997-08-12 Mitsubishi Pencil Co Ltd Temporary hair dye and production of the same
JPH1112135A (en) * 1997-06-25 1999-01-19 Kao Corp Hair cosmetic
JP2003026553A (en) * 2001-07-16 2003-01-29 Nonogawa Shoji Kk Temporally hair-coloring agent composition of aerosol type

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Publication number Priority date Publication date Assignee Title
JPS62177070A (en) * 1986-01-30 1987-08-03 Pilot Ink Co Ltd Coloring solution
JPH09208436A (en) * 1995-11-30 1997-08-12 Mitsubishi Pencil Co Ltd Temporary hair dye and production of the same
JPH1112135A (en) * 1997-06-25 1999-01-19 Kao Corp Hair cosmetic
JP2003026553A (en) * 2001-07-16 2003-01-29 Nonogawa Shoji Kk Temporally hair-coloring agent composition of aerosol type

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020527142A (en) * 2017-07-11 2020-09-03 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA Water resistant cosmetic for temporary color change of keratin substance I
JP7167125B2 (en) 2017-07-11 2022-11-08 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン Water-resistant cosmetic agent for temporary color change of keratin substance I

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