JP5038558B2 - Transparent gel composition - Google Patents
Transparent gel composition Download PDFInfo
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- JP5038558B2 JP5038558B2 JP2001133491A JP2001133491A JP5038558B2 JP 5038558 B2 JP5038558 B2 JP 5038558B2 JP 2001133491 A JP2001133491 A JP 2001133491A JP 2001133491 A JP2001133491 A JP 2001133491A JP 5038558 B2 JP5038558 B2 JP 5038558B2
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- transparent gel
- gel composition
- fatty acid
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- composition
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- Compositions Of Macromolecular Compounds (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、使用感が良好で経日において保存安定性に優れ、さらに皮膚に対する作用が温和であり、優れた泡立ち及び洗浄効果を示す透明ゲル状組成物に関する。
【0002】
【従来の技術】
従来、ゲル状組成物の界面活性剤として、アルキル硫酸塩、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エーテルリン酸塩及びα―オレフィンスルホン酸塩等のアニオン活性剤が広く使用されている。しかしながらこれらのアニオン界面活性剤は、皮膚刺激性が強いという欠点を有している。またショ糖脂肪酸エステル、ポリグリセリン脂肪酸エステル、ポリエチレングリコール脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレンアルキルエーテル等の非イオン系界面活性剤も使用されるが、洗浄力、起泡力に劣るという欠点を有している。
【0003】
また、従来からゲル状組成物としてはマイクロエマルションがあるが、界面活性剤を多量に使用するため、皮膚に対して刺激を与えるとの欠点がある。これらの解決方法として、特定の界面活性剤を用いた液晶型油性化粧料が提案されている(特公平1−53845号公報)。しかしながらこの化粧料においても経日後の保存安定性は優れるものの、使用時にゲルの弾性及び粘り感が強く、好ましくなかった。
【0004】
【発明が解決しようとする課題】
本発明の目的は、使用感が良好で経日において保存安定性に優れ、さらに皮膚に対する作用が温和であり、優れた泡立ち及び洗浄効果を示す透明ゲル状組成物を提供する事にある。
【0005】
【課題を解決するための手段】
かかる事情において、本発明者らは上記課題を解決すべく鋭意研究を重ねた結果、HLBが10以上の親水性ポリグリセリン脂肪酸エステルとポリアクリル酸アミド、アクリルアミド/中和2−アクリルアミド−2−メチルスルフォン酸架橋コポリマーから選ばれる少なくとも1種以上を含有することを特徴とする透明ゲル状組成物が、洗浄力、起泡力、安全性、使用感及び経日安定性に優れた透明ゲル状組成物が得られる事を見出し本発明に至った。
【0006】
すなわち、本発明はHLBが10以上の親水性ポリグリセリン脂肪酸エステルとポリアクリル酸アミド、アクリルアミド/中和2−アクリルアミド−2−メチルスルフォン酸架橋コポリマーから選ばれる少なくとも1種以上を含有することを特徴とする透明ゲル状組成物を含有することを特徴とする透明ゲル状組成物を提供するものである。
【0007】
【発明の実施の形態】
以下、本発明について詳細に説明する。本発明に用いられる親水性ポリグリセリン脂肪酸エステルとしては、HLBが10以上のものである。好ましくはHLBが12以上がよい。ここでHLBとは界面活性剤の親水基と疎水基のバランスを表す数値であり、一般的にはGriffinが提唱した次式で表される。
HLB値=20×MH/M (MH:親水基部分の分子量、M:界面活性剤の分子量)
また構成される脂肪酸の炭素数は、8〜22であり、飽和又は不飽和の直鎖或いは分岐の脂肪酸やヒドロキシ体等の誘導体のうち単独又は混合の脂肪酸である。本発明において用いられる親水性ポリグリセリン脂肪酸エステルとしては、モノエステル含量約50%以上が好ましい。より好ましくは70%以上がよい。本願のモノエステル含量の高いポリグリエステルの製法については、脂肪酸にグリシドールをリン酸もしくはリン酸エステルを触媒とし付加重合して作ることが出来るが、この方法に限定されるものではない。
本発明の親水性ポリグリセリン脂肪酸エステルの組成分析はHPLC法による逆相分配カラム法が有効で、カラム:Wacosil 5c182(和光純薬工業(株)製:逆相分配カラムであるオクタデシル基を官能基として持つカラム)。展開溶媒:メタノール、流速:0.75ml/min、カラムオーブン温度:40℃、検出方法:紫外線吸収法(λ:210nm)、試料濃度:10%(溶媒:MeOH)注入法:5mlの条件で測定を行なうことが出来る。本発明における親水性ポリグリセリン脂肪酸エステルのモノエステル含量が、50%未満では起泡力、洗浄力が不足し、また透明ゲル組成物が作り難く安定性の面で好ましくない。
【0008】
これらの親水性ポリグリセリン脂肪酸エステルは単独で又は2種以上を組み合わせて使用する事ができ、本発明の透明ゲル状組成物の全組成に対し、1〜90重量%、特に5〜80重量%の範囲で配合するのが好ましい。1重量%より少ない場合には組成物の洗浄力が不充分となり、90重量%を超える場合は組成物の安定性を保つのが困難となり、好ましくない。
【0009】
本発明で用いられるアクリルアミド/中和2−アクリルアミド−2−メチルスルフォン酸架橋コポリマーは、一層特定的には、テトラアリルオキシエタン、アリルサッカロース、アリルペンタエリスリトールのような化合物によって架橋したコポリマーであって、水酸化カリウム、水酸化ナトリウム、アンモニア水或いはトリエタノールアミン又はモノエタノールアミンのようなもので部分的又は完全に中和されたものである。
これらのポリアクリル酸アミド、アクリルアミド/中和2−アクリルアミド−2−メチルスルフォン酸架橋コポリマーは、他の成分、例えば、イソパラフィン、ポリオキシエチレン(7)ラウリルエーテル等と混合して用いてもよい。これらの混合物の一つはフランス、SEPPIC社よりセピゲル305の商品名で市販されている。
これらのポリアクリル酸アミド、アクリルアミド/中和2−アクリルアミド−2−メチルスルフォン酸架橋コポリマーは本発明の透明ゲル状組成物の全組成に対して、0.1〜15%、特に1〜10%の範囲で配合するのが望ましい。0.1%より少ない場合はゲル形成力が弱くなる。15%以上の場合は組成物の洗浄力が落ちる傾向にある。
【0010】
本発明の透明ゲル状組成物には、上述した成分を必須の構成成分とするが、当該組成物には、本発明の目的を達成する範囲で他の成分を適宜配合することが出来る。
【0011】
即ち、グリセリン、ジグリセリン、1,3−ブチレングリコール、プロピレングリコール、ポリエチレングリコール等の多価アルコール、グリシン、アラニン、バリン、グルタミン酸等のアミノ酸類、加水分解コラーゲン、加水分解シルク、加水分解小麦タンパク等のポリペプチド類、アシル加水分解コラーゲンナトリウム、アシル加水分解シルクカリウム等のアシル化ポリペプチドのナトリウム塩、カリウム塩、脂肪酸のナトリウム塩等のアニオン性界面活性剤、ラウリルアルコール、ミリスチルアルコール、セチルアルコール、ステアリルアルコール、オレイルアルコール、ベヘニルアルコール等の高級アルコール、ジメチルポリシロキサン、メチルフェニルポリシロキサン等のシリコーン油、流動パラフィン、スクワラン、ワセリン等の炭化水素、イソステアリン酸イソステアリル、トリ−2−エチルヘキサン酸グリセリル等のエステル油、オリーブ油、マカデミアナッツ油等の油脂類、ホホバ油、キャンデリラロウ、カルナバロウ等のロウ類、カルボキシビニルポリマー、キサンタンガム等の増粘剤、保湿成分、抗炎症剤、殺菌剤、防腐剤、紫外線吸収剤、酸化防止剤、無機及び有機粉体、色素、香料、PH調製剤等を含む事が出来る。
【0012】
本発明の透明ゲル状組成物は、その剤型について特に制限なく、シャンプー、ボディシャンプー、洗顔料、洗顔フォーム、メイク落とし用洗顔料、メイク落し用洗顔フォームに適用される。
次ぎに実施例によって本発明を更に詳細に説明する。なお、本発明はこれらの実施例に限定されるものではない。
【0013】
実施例1、比較例1
表中記載の組成にて洗浄剤組成物を調整し、その官能使用感を下記評価基準に基き評価した。その結果を第1表に示す。
【0014】
(製法)表中の各成分を70℃で加熱溶融混合する。これを室温付近まで攪拌冷却して各組成物を得る。なお、表中のセピゲル305とはポリアクリル酸アミド、軽質流動イソパラフィン、ポリオキシエチレンラウリルエーテルよりなるポリマー(SEPPIC社製)である。
【0015】
(評価方法及び評価基準)
1) 透明ゲル形成
◎;完全透明
〇;やや曇りあり
×;不透明
2)使用感(水洗い後のしっとり感)
健常女性パネル10名(20歳〜30歳)に素肌を水洗、乾燥後、耐水性のある油性ファンデーションを顔部に塗布、30分後に本発明品、比較品を用いてファンデーションを落とし、水洗、乾燥後、肌状態を下記評価基準をもとに官能評価した。
◎;肌が非常にしっとりしている
〇;ややしっとりしている
△;ややツッパリ感がある
×;ツッパリ感がある
3) 2)の試験時にファンデーションの落ち具合を下記評価基準をもとに評価した。
◎;容易にファンデーションが落ちた
〇;時間をかければファンデーションが落ちた
△;時間をかけてもファンデーションが落ち難かった
×;ほとんどファンデーションが落ちなかった
4) 経時のゲル安定性
調製後の各発明品、比較品をガラス瓶に充填し、50℃恒温槽で放置、経日の状態を観察し、一ヶ月後下記評価基準を基に評価した。
◎;50℃以上の温度条件で一ヶ月後でもゲル状態安定
〇;ゲルの粘度やや低下
△;ゲル軟化
×;分離
【0016】
【表1】
【0017】
表1に示すように、本発明による透明ゲル状組成物は比較例に比べて安定性、しっとり感洗浄力に優れている。
【0018】
【発明の効果】
以上記載のごとく本発明が、使用感が良好で経日において保存安定性に優れ、さらに皮膚に対する作用が温和であり、優れた泡立ち及び洗浄効果を示す透明ゲル状組成物を提供することは明らかである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a transparent gel composition having good usability, excellent storage stability over time, mild action on the skin, and excellent foaming and cleaning effects.
[0002]
[Prior art]
Conventionally, anionic surfactants such as alkyl sulfates, polyoxyethylene alkyl ether sulfates, polyoxyethylene alkyl ether phosphates and α-olefin sulfonates have been widely used as surfactants in gel compositions. . However, these anionic surfactants have the disadvantage of having strong skin irritation. Nonionic surfactants such as sucrose fatty acid ester, polyglycerin fatty acid ester, polyethylene glycol fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene alkyl ether, etc. are also used. It has the disadvantage of being inferior in strength and foaming power.
[0003]
Conventionally, gel-like compositions include microemulsions. However, since a large amount of a surfactant is used, there is a drawback that the skin is irritated. As a solution to these problems, a liquid crystal type oily cosmetic using a specific surfactant has been proposed (Japanese Patent Publication No. 1-53845). However, even in this cosmetic, although the storage stability after aging is excellent, the elasticity and stickiness of the gel is strong at the time of use, which is not preferable.
[0004]
[Problems to be solved by the invention]
An object of the present invention is to provide a transparent gel composition having a good feeling of use, excellent storage stability over time, mild action on the skin, and excellent foaming and cleaning effects.
[0005]
[Means for Solving the Problems]
Under such circumstances, the present inventors have conducted extensive studies to solve the above problems, and as a result, hydrophilic polyglycerin fatty acid ester having a HLB of 10 or more, polyacrylic acid amide, acrylamide / neutralized 2-acrylamido-2-methyl A transparent gel composition comprising at least one selected from sulfonic acid cross-linked copolymers, wherein the transparent gel composition has excellent detergency, foaming power, safety, feeling of use and stability over time The present invention was found out that a product was obtained.
[0006]
That is, the present invention comprises at least one selected from hydrophilic polyglycerin fatty acid esters having an HLB of 10 or more, polyacrylic acid amide, and acrylamide / neutralized 2-acrylamido-2-methylsulfonic acid crosslinked copolymer. The transparent gel composition is characterized by containing a transparent gel composition.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail. The hydrophilic polyglycerin fatty acid ester used in the present invention has an HLB of 10 or more. Preferably, HLB is 12 or more. Here, HLB is a numerical value representing the balance between the hydrophilic group and the hydrophobic group of the surfactant, and is generally represented by the following formula proposed by Griffin.
HLB value = 20 × MH / M (MH: molecular weight of hydrophilic group part, M: molecular weight of surfactant)
Moreover, carbon number of the fatty acid comprised is 8-22, and is a single or mixed fatty acid among derivatives, such as a saturated or unsaturated linear or branched fatty acid and a hydroxy body. The hydrophilic polyglycerin fatty acid ester used in the present invention preferably has a monoester content of about 50% or more. More preferably, 70% or more is good. The method for producing a polyglycerol ester having a high monoester content of the present application can be prepared by addition polymerization of fatty acid with glycidol using phosphoric acid or a phosphate ester as a catalyst, but is not limited to this method.
The composition analysis of the hydrophilic polyglycerin fatty acid ester of the present invention is effective by the reverse phase partition column method by HPLC method, column: Wacosil 5c182 (manufactured by Wako Pure Chemical Industries, Ltd .: reverse phase partition column octadecyl group as functional group) As a column). Developing solvent: methanol, flow rate: 0.75 ml / min, column oven temperature: 40 ° C., detection method: ultraviolet absorption method (λ: 210 nm), sample concentration: 10% (solvent: MeOH) injection method: measured at 5 ml Can be done. If the monoester content of the hydrophilic polyglycerin fatty acid ester in the present invention is less than 50%, foaming power and detergency are insufficient, and it is difficult to produce a transparent gel composition, which is not preferable in terms of stability.
[0008]
These hydrophilic polyglycerin fatty acid esters can be used alone or in combination of two or more, and are 1 to 90% by weight, particularly 5 to 80% by weight, based on the total composition of the transparent gel composition of the present invention. It is preferable to mix in the range. When the amount is less than 1% by weight, the detergency of the composition is insufficient, and when it exceeds 90% by weight, it is difficult to maintain the stability of the composition, which is not preferable.
[0009]
The acrylamide / neutralized 2-acrylamido-2-methylsulfonic acid cross-linked copolymer used in the present invention is more specifically a copolymer cross-linked with a compound such as tetraallyloxyethane, allyl saccharose, allyl pentaerythritol. , Partially or completely neutralized with potassium hydroxide, sodium hydroxide, aqueous ammonia or triethanolamine or monoethanolamine.
These polyacrylic acid amides and acrylamide / neutralized 2-acrylamido-2-methylsulfonic acid crosslinked copolymers may be used by mixing with other components such as isoparaffin, polyoxyethylene (7) lauryl ether and the like. One of these mixtures is commercially available under the trade name Sepigel 305 from SEPPIC, France.
These polyacrylic amides, acrylamide / neutralized 2-acrylamido-2-methylsulfonic acid cross-linked copolymers are 0.1 to 15%, especially 1 to 10%, based on the total composition of the transparent gel composition of the present invention. It is desirable to blend in the range of. When it is less than 0.1%, the gel forming ability is weakened. When it is 15% or more, the cleaning power of the composition tends to decrease.
[0010]
In the transparent gel composition of the present invention, the above-described components are essential components, and other components can be appropriately blended in the composition as long as the object of the present invention is achieved.
[0011]
That is, polyhydric alcohols such as glycerin, diglycerin, 1,3-butylene glycol, propylene glycol, polyethylene glycol, amino acids such as glycine, alanine, valine, glutamic acid, hydrolyzed collagen, hydrolyzed silk, hydrolyzed wheat protein, etc. Polypeptides, acyl-hydrolyzed collagen sodium, acyl-hydrolyzed sodium salts of acylated polypeptides such as potassium salt of acyl hydrolyzed, anionic surfactants such as potassium salts, sodium salts of fatty acids, lauryl alcohol, myristyl alcohol, cetyl alcohol, Higher alcohols such as stearyl alcohol, oleyl alcohol, and behenyl alcohol, silicone oils such as dimethylpolysiloxane and methylphenylpolysiloxane, liquid paraffin, squalane, petrolatum, etc. Hydrocarbons, ester oils such as isostearyl isostearate and glyceryl tri-2-ethylhexanoate, oils and fats such as olive oil and macadamia nut oil, waxes such as jojoba oil, candelilla wax, carnauba wax, carboxyvinyl polymer, xanthan gum, etc. Thickeners, moisturizing ingredients, anti-inflammatory agents, bactericides, preservatives, UV absorbers, antioxidants, inorganic and organic powders, pigments, fragrances, PH preparation agents and the like can be included.
[0012]
The transparent gel composition of the present invention is applicable to shampoos, body shampoos, facial cleansers, facial cleansing foams, facial cleansers for makeup removal, and facial cleansing foams for makeup removal, without any particular limitation on the dosage form.
Next, the present invention will be described in more detail by way of examples. The present invention is not limited to these examples.
[0013]
Example 1 and Comparative Example 1
The cleaning composition was adjusted with the composition described in the table, and the sensory feeling was evaluated based on the following evaluation criteria. The results are shown in Table 1.
[0014]
(Manufacturing method) Each component in a table | surface is heat-melt-mixed at 70 degreeC. This is stirred and cooled to around room temperature to obtain each composition. Sepigel 305 in the table is a polymer (manufactured by SEPPIC) made of polyacrylic acid amide, light liquid isoparaffin, and polyoxyethylene lauryl ether.
[0015]
(Evaluation method and evaluation criteria)
1) Transparent gel formation ◎; Completely transparent ○; Slightly cloudy ×; Opaque 2) Feeling of use (moist feeling after washing with water)
10 healthy female panels (20 to 30 years old) wash their skin with water, dry and then apply a water-resistant oily foundation to their face. After 30 minutes, remove the foundation using the product of the present invention and a comparative product, After drying, the skin condition was subjected to sensory evaluation based on the following evaluation criteria.
◎; Skin is very moist 〇; Slightly moist △; Slightly crisp x; Smooth sensation 3) In the test of 2), the condition of foundation removal was evaluated based on the following evaluation criteria did.
◎; Foundation fell off easily ○; Foundation dropped over time △; Foundation was difficult to drop over time ×; Foundation hardly dropped 4) Each invention after preparation of gel stability over time Products and comparative products were filled in glass bottles, left in a thermostatic bath at 50 ° C., the state of aging was observed, and one month later, evaluation was performed based on the following evaluation criteria.
A: Gel state stable even after one month at a temperature of 50 ° C. or higher ○; Viscosity of gel is slightly lowered Δ: Gel softening ×: Separation
[Table 1]
[0017]
As shown in Table 1, the transparent gel composition according to the present invention is superior in stability and moist feeling cleaning power as compared with the comparative example.
[0018]
【Effect of the invention】
As described above, it is clear that the present invention provides a transparent gel composition having a good feeling of use, excellent storage stability over time, mild action on the skin, and excellent foaming and cleaning effects. It is.
Claims (2)
Priority Applications (1)
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JP2001133491A JP5038558B2 (en) | 2001-04-27 | 2001-04-27 | Transparent gel composition |
Applications Claiming Priority (1)
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JP2001133491A JP5038558B2 (en) | 2001-04-27 | 2001-04-27 | Transparent gel composition |
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JP2002327101A JP2002327101A (en) | 2002-11-15 |
JP5038558B2 true JP5038558B2 (en) | 2012-10-03 |
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JP2001133491A Expired - Lifetime JP5038558B2 (en) | 2001-04-27 | 2001-04-27 | Transparent gel composition |
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JP2007146064A (en) * | 2005-11-30 | 2007-06-14 | Shiseido Co Ltd | Gel composition |
CN103506592B (en) | 2012-06-29 | 2015-08-26 | 宝山钢铁股份有限公司 | A kind of continuous-casting steel pouring control method and device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07304654A (en) * | 1994-05-12 | 1995-11-21 | Shiseido Co Ltd | Skin washing agent |
JP3517071B2 (en) * | 1997-01-17 | 2004-04-05 | カネボウ株式会社 | Hair cosmetics |
JPH1121227A (en) * | 1997-06-27 | 1999-01-26 | Kose Corp | Cosmetic |
JP3950216B2 (en) * | 1997-12-26 | 2007-07-25 | 日本メナード化粧品株式会社 | Topical skin preparation |
JP2000086435A (en) * | 1998-09-16 | 2000-03-28 | Lion Corp | Skin cosmetic |
JP2000327522A (en) * | 1999-05-24 | 2000-11-28 | Mitsubishi Chemicals Corp | Cosmetics |
-
2001
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