JP6805147B2 - ゲル状組成物 - Google Patents
ゲル状組成物 Download PDFInfo
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- JP6805147B2 JP6805147B2 JP2017532592A JP2017532592A JP6805147B2 JP 6805147 B2 JP6805147 B2 JP 6805147B2 JP 2017532592 A JP2017532592 A JP 2017532592A JP 2017532592 A JP2017532592 A JP 2017532592A JP 6805147 B2 JP6805147 B2 JP 6805147B2
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Images
Classifications
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8129—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers or esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers, e.g. polyvinylmethylether
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/24—Thermal properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/28—Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/48—Thickener, Thickening system
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Description
項1.下記(A)〜(C)成分
(A)水溶性架橋剤によって架橋されたエチレン性不飽和カルボン酸単量体の重合体、
(B)多価アルコール、及び、
(C)水
を含むゲル状組成物であって、
上記ゲル状組成物の全量に対して上記(A)成分が0.1〜5質量%、上記(B)成分が50〜95質量%、上記(C)成分が1〜10質量%である、ゲル状組成物。
項2.上記重合体の平均粒子径が5〜40μmである、上記項1に記載のゲル状組成物。
項3.上記水溶性架橋剤が、N,N’−メチレンビスアクリルアミド、エチレングリコールジメタクリレート、エチレングリコールジグリシジルエーテル、ポリエチレングリコールジメタクリレート、ポリエチレングリコールジグリシジルエーテル及びショ糖アリルエーテルからなる群より選ばれる少なくとも1種の化合物を含む、上記項1又は2に記載のゲル状組成物。
項4.上記水溶性架橋剤がショ糖アリルエーテルを含み、該ショ糖アリルエーテルのエーテル化度が2.0〜3.5である、上記項1〜3のいずれか1項に記載のゲル状組成物。
項5.上記項1〜4のいずれか1項に記載のゲル状組成物を含む、化粧料。
項6.温感ジェル化粧料である、上記項5に記載の化粧料。
(A)水溶性架橋剤によって架橋されたエチレン性不飽和カルボン酸単量体の重合体、
(B)多価アルコール、及び、
(C)水
を含み、ゲル状組成物の全量に対して、上記(A)成分が0.1〜5質量%、上記(B)成分が50〜95質量%、上記(C)成分が1〜10質量%である。
(製造例1)
1000mL容のセパラブルフラスコに撹拌機、還流冷却管及び滴下ロートを取り付けた。この中で、水144gに水酸化ナトリウム48g(1.2モル)を溶解した。次いで、ショ糖136.8g(0.4モル)を加え、70〜85℃で120分間撹拌して、アルカリショ糖水溶液を得た。得られたアルカリショ糖水溶液に、臭化アリル145.2g(1.2モル)を、70〜85℃で1.5時間かけて滴下し、その後、80℃で3時間反応して、ショ糖をアリルエーテル化した。冷却後、水440gを添加し、分液ロートで余分な油分を分離して、粗ショ糖アリルエーテル水溶液を得た。得られた粗ショ糖アリルエーテル水溶液に塩酸を加えてpHを6〜8に調整した後、ロータリーエバポレーターを用いて、水溶液の質量が480gになるまで水分を除去した。次いで、エタノール200gを添加して副生成物の臭化ナトリウム等の塩類を析出させ、析出物を濾別により水溶液から除去した。さらに、エバポレーターを用いて水溶液から余分な水分を除去し、エーテル化度2.4のショ糖アリルエーテル166gを得た。
(製造例2)
500mL容のセパラブルフラスコに撹拌機、還流冷却管及び滴下ロートを取り付けた。この中にアクリル酸72g及び水を入れ、80質量%のアクリル酸水溶液90gを調製した。アクリル酸水溶液を冷却しながら、30質量%の水酸化ナトリウム水溶液54gを滴下して、アクリル酸水溶液を中和した。次いで、イオン交換水56gと、製造例1で得られたショ糖アリルエーテル0.32g(アクリル酸水溶液に対して0.35質量%)と、2,2’−アゾビス(2−メチルプロピオンアミジン)2塩酸塩(和光純薬工業株式会社製「V−50」)0.04gとを加えて、エチレン性不飽和カルボン酸単量体水溶液を調製した。
撹拌回転数を800回転/分に変更した以外は製造例2と同様の操作により、アクリル酸及びそのナトリウム塩の重合体であって、ショ糖アリルエーテルによって架橋された重合体(B)92gを得た。(以下、製造例3で得られた重合体を「重合体B」と記載する)。
撹拌回転数を600回転に変更した以外は製造例2と同様の操作により、アクリル酸及びそのナトリウム塩の重合体であって、ショ糖アリルエーテルによって架橋された重合体重合体(C)93gを得た。(以下、製造4で得られた重合体を「重合体C」と記載する)。
(製造例5)
撹拌機、温度計、窒素吹き込み管及び冷却管を取り付けた500mL容の四つ口フラスコに、アクリル酸45g(0.625モル)、ペンタエリスリトールアリルエーテル0.27g、n−ヘキサン150g及び2,2’−アゾビスメチルイソブチレート0.081g(0.00035モル)を入れ、反応液を調製した。反応液を撹拌して各原料を均一に混合した後、反応容器の上部空間、原料及び溶媒中に存在している酸素を除去するために溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、反応液を60〜65℃に保持して4時間反応させた。反応終了後、生成したスラリーを90℃に加熱して、n−ヘキサンを留去し、さらに、110℃、10mmHgにて8時間減圧乾燥することにより、カルボキシビニルポリマー42gを得た。
〈平均粒子径の測定〉
重合体A〜C及びカルボキシビニルポリマーを、それぞれn−ヘキサン中に分散し、島津製作所製レーザー粒子径測定装置(SALD2000 フローセル使用)により平均粒子径を測定した。
重合体A〜Cを、それぞれ水と混合し、水溶液を濃度0.5質量%となるように調製した。カルボキシビニルポリマーは、6.0質量%水酸化ナトリウム水溶液を中和剤として用いてpHを6に調整するとともに、ポリマー濃度を0.5質量%とした。各0.5質量%水溶液の粘度を、BH型回転粘度計を用いて測定した。25℃において、スピンドルローターの回転速度を毎分20回転として、ローターの回転を開始してから1分後の粘度の値を読み取った。重合体A〜CはローターNo.6、カルボキシビニルポリマーはローターNo.7を使用した。
表2に示す各成分を、当該表の配合割合で温感ジェル−1を調製した。
重合体Aを重合体Bに変更した以外は実施例1と同様の方法にて温感ジェル−2を得た。
重合体Aを重合体Cに変更した以外は実施例1と同様の方法にて温感ジェル−3を得た。
重合体Aをカルボキシビニルポリマーに変更し、このカルボキシビニルポリマーを6.0質量%水酸化ナトリウム水溶液で中和したこと以外は実施例1と同様の方法にして温感ジェル−4を得た。
(滑らかさ)
男女各5人計10人の試験者によって、塗布時の滑らかさについて、以下の判定基準で1〜5点の5段階評価を行った。
非常に良い 5点
良い 4点
普通 3点
やや悪い 2点
悪い 1点
評価は10人の平均値を算出して、平均4以上を○、平均3以上4未満を△、平均3未満を×として評価した。
BH型回転粘度計を用いて粘度を測定した。25℃において、スピンドルローターの回転速度を毎分20回転として、ローターの回転を開始してから1分後の粘度の値を読み取った。
25℃において、500ml容のビーカーにグリセリン300gを入れ、ジャーテスターを用いて400rpmで撹拌しながら、重合体A〜C、カルボキシビニルポリマー各々3gを、それぞれ少量ずつ添加し、分散性を目視で観察しながら評価した。
Claims (5)
- 下記(A)〜(C)成分
(A)水溶性架橋剤によって架橋されたエチレン性不飽和カルボン酸単量体の重合体、
(B)多価アルコール、及び、
(C)水
を含むゲル状組成物であって、
上記ゲル状組成物の全量に対して上記(A)成分が0.1〜5質量%、上記(B)成分が50〜95質量%、上記(C)成分が1〜10質量%であり、
上記重合体の平均粒子径が5〜30μmである、ゲル状組成物。 - 上記水溶性架橋剤が、N,N’−メチレンビスアクリルアミド、エチレングリコールジメタクリレート、エチレングリコールジグリシジルエーテル、ポリエチレングリコールジメタクリレート、ポリエチレングリコールジグリシジルエーテル及びショ糖アリルエーテルからなる群より選ばれる少なくとも1種の化合物を含む、請求項1に記載のゲル状組成物。
- 上記水溶性架橋剤がショ糖アリルエーテルを含み、該ショ糖アリルエーテルのエーテル化度が2.0〜3.5である、請求項1又は2に記載のゲル状組成物。
- 請求項1〜3のいずれか1項に記載のゲル状組成物を含む、化粧料。
- 温感ジェル化粧料である、請求項4に記載の化粧料。
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US20230149286A1 (en) * | 2020-04-09 | 2023-05-18 | Sumitomo Seika Chemicals Co.,Ltd. | Viscous composition |
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