JP7546113B1 - 水中油型乳化化粧料 - Google Patents
水中油型乳化化粧料 Download PDFInfo
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- JP7546113B1 JP7546113B1 JP2023107708A JP2023107708A JP7546113B1 JP 7546113 B1 JP7546113 B1 JP 7546113B1 JP 2023107708 A JP2023107708 A JP 2023107708A JP 2023107708 A JP2023107708 A JP 2023107708A JP 7546113 B1 JP7546113 B1 JP 7546113B1
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 30
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims abstract description 22
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- WNIFXKPDILJURQ-UHFFFAOYSA-N stearyl glycyrrhizinate Natural products C1CC(O)C(C)(C)C2CCC3(C)C4(C)CCC5(C)CCC(C(=O)OCCCCCCCCCCCCCCCCCC)(C)CC5C4=CC(=O)C3C21C WNIFXKPDILJURQ-UHFFFAOYSA-N 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- BILPUZXRUDPOOF-UHFFFAOYSA-N stearyl palmitate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC BILPUZXRUDPOOF-UHFFFAOYSA-N 0.000 description 1
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- DZKXJUASMGQEMA-UHFFFAOYSA-N tetradecyl tetradecanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCC DZKXJUASMGQEMA-UHFFFAOYSA-N 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
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- LADGBHLMCUINGV-UHFFFAOYSA-N tricaprin Chemical compound CCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCC)COC(=O)CCCCCCCCC LADGBHLMCUINGV-UHFFFAOYSA-N 0.000 description 1
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- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
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Abstract
Description
[1](a)ナイアシンアミドと、
(b)アクリル酸・メタクリル酸アルキル共重合体である乳化剤と、
(c)ステロール系抱水性油剤及びジペンタエリトリット系抱水性油剤からなる群から選ばれる少なくとも1種の抱水性油剤と、
(d)極性油と
を含み、かつ
前記成分(c)の含有量に対する前記成分(d)の含有量の割合が2.0未満である、水中油型乳化化粧料。
[2]前記ステロール系抱水性油剤はN-ラウロイル-L-グルタミン酸ジ(フィトステリル・2-オクチルドデシル)、N-ラウロイル-L-グルタミン酸ジ(フィトステリル・ベヘニル・2-オクチルドデシル)及び吸着精製ラノリンからなる群から選ばれる少なくとも1種のステロール系抱水性油剤であり、及び/又は前記ジペンタエリトリット系抱水性油剤はジペンタエリトリット脂肪酸エステル(2)、ジペンタエリトリット脂肪酸エステル(1)及びトリポリヒドロキシステアリン酸ジペンタエリスリチルからなる群から選ばれる少なくとも1種のジペンタエリトリット系抱水性油剤である、[1]に記載の水中油型乳化化粧料。
[3]前記極性油はトリ2-エチルヘキサン酸グリセリル及びテトラ2-エチルヘキサン酸ペンタエリトリットからなる群から選ばれる少なくとも1種の極性油である、[1]に記載の水中油型乳化化粧料。
「及び/又は」は、列記した複数の関連項目のいずれか1つ、又は2つ以上の任意の組み合わせ若しくは全ての組み合わせを意味する。
「含む」は、含まれるものとして明示されている要素以外の要素を付加できることを意味する(「少なくとも含む」と同義である)が、「からなる」及び「から本質的になる」を包含する。すなわち、「含む」は、明示されている要素及び任意の1種若しくは2種以上の要素を含み、明示されている要素からなり、又は明示されている要素から本質的になることを意味し得る。要素としては、成分、工程、条件、パラメーターなどの制限事項などが挙げられる。
数値範囲の「~」は、その前後の数値を含む範囲であり、それらの含まれる限界値の一方を除いた範囲もまた含まれる。例えば、「0質量%~100質量%」は、0質量%以上、100質量%以下、及び0質量%以上100質量%以下のいずれであってもよい。
数値に関しての「約」は、記載された数値の±10%の範囲を含むことを意味する。例えば、約5質量%は、4.5質量%~5.5質量%となる。
整数値の桁数と有効数字の桁数とは一致する。例えば、1の有効数字は1桁であり、10の有効数字は2桁である。また、小数値は小数点以降の桁数と有効数字の桁数は一致する。例えば、0.1の有効数字は1桁であり、0.10の有効数字は2桁である。
抱水力(%)=[増量した水重量(g)]/[開始時の油剤重量(10g)]×100
表1に示した処方に従い、以下の手順により、被験化粧料として各種水中油型乳化化粧料を調製した。なお、表中の数値は、質量%(wt%)を表わす。
(2-1)乳化性及び外観色
調製直後の被験化粧料を目視で観察することにより、化粧料中に層分離が生じたこと、及び/又はキメ粗が生じたことという異常を指標にして、以下の基準により乳化性を評価した。なお、キメ粗とは、被験試料を黒色のアクリル板上にパレットナイフで薄く塗り広げた際の、表面が均一に滑らかな状態ではなくところどころに不均一な凹凸が観察される状態をいう。また、同様に観察することにより、外観色を確認した。
○:均一に乳化しているが、一部に細かなキメ粗が確認される
△:均一に乳化しているが、全体的に大きなキメ粗が確認される
×:乳化が不良であり、層分離が生じて均一性のある化粧料を製造できない
被験化粧料を7Kビン(東京硝子社製)に入れて、50℃の恒温槽にて、1ヵ月静置して保管した。(2-1)と同様に、保管後の化粧料における層分離の有無及び黒色のアクリル板上に伸ばした際のキメ粗の有無について目視で確認することにより、以下の基準で安定性を評価した。
△:化粧料全体が均一であるが、キメ粗が確認される
×:化粧料において層分離が確認される
被験化粧料を、7Kビン(東京硝子社製)に入れ、20℃にて一晩静置した。次いで、静置した被験化粧料について、粘度計(「BHII形」;東機産業社製)を使用して、スピンドルNo.7、20rpm、2分間の条件で粘度を測定した。
各種測定の結果を表1に示す。
(a)ナイアシンアミドに加えて、(b)アクリル酸・メタクリル酸アルキル共重合体、(c)ステロール系抱水性油剤及び/又はジペンタエリトリット系抱水性油剤及び(d)極性油を含む被験化粧料1~16は、5質量%という高濃度のナイアシンアミドを含みながら、白色、半透明白色又は乳白色の水中油型乳化化粧料として得られ、さらに50℃で1ヶ月間置いても層分離が認められず、安定性に優れるものであった。なお、被験化粧料1~16の粘度は、10,000mPa・s~47,500mPa・sであった。
アクリル酸・メタクリル酸アルキル共重合体:
*1 「Pemulen TR-1」(Lubrizol社製)
*2 「Pemulen TR-2」(Lubrizol社製)
*3 「Carbopol(登録商標) Ultrez 20 Polymer」(Lubrizol社製)
カルボキシビニルポリマー:「Carbopol(登録商標) 980 Polymer」(Lubrizol社製)
N-ラウロイル-L-グルタミン酸ジ(フィトステリル・2-オクチルドデシル):「エルデュウ(登録商標) PS-203」(味の素社製)
ジペンタエリトリット脂肪酸エステル(2):「コスモール 168EV」(日清オイリオグループ株式会社)
ジペンタエリトリット脂肪酸エステル(1):「コスモール 168ARV」(日清オイリオグループ株式会社)
トリ2-エチルヘキサン酸グリセリル:「MYRITOL GTEH」(BASF社製)
テトラ2-エチルヘキサン酸ペンタエリトリット:「CETIOL(登録商標) PEEH-4」(BASF社製)
L-アルギニン:「L-アルギニン Cグレード」(味の素社製)
Claims (3)
- (a)ナイアシンアミドと、
(b)アクリル酸・メタクリル酸アルキル共重合体のみからなる乳化剤と、
(c)ステロール系抱水性油剤及びジペンタエリトリット系抱水性油剤からなる群から選ばれる少なくとも1種の抱水性油剤と、
(d)IOBが0.1以上である極性油と
を含み、かつ
前記成分(c)の含有量に対する前記成分(d)の含有量の割合が2.0未満であり、
前記成分(c)の含有量及び前記成分(d)の含有量の合計が10.0質量%~30.0質量%であり、かつ
ワセリン、スクワラン、流動パラフィン及び流動イソパラフィンからなる群から選ばれる炭化水素油の含有量は成分(c)の含有量及び成分(d)の含有量の合計量に対して5質量%以下である、
水中油型乳化化粧料。 - 前記ステロール系抱水性油剤はN-ラウロイル-L-グルタミン酸ジ(フィトステリル・2-オクチルドデシル)、N-ラウロイル-L-グルタミン酸ジ(フィトステリル・ベヘニル・2-オクチルドデシル)及び吸着精製ラノリンからなる群から選ばれる少なくとも1種のステロール系抱水性油剤であり、及び/又は前記ジペンタエリトリット系抱水性油剤はジペンタエリトリット脂肪酸エステル(2)、ジペンタエリトリット脂肪酸エステル(1)及びトリポリヒドロキシステアリン酸ジペンタエリスリチルからなる群から選ばれる少なくとも1種のジペンタエリトリット系抱水性油剤である、請求項1に記載の水中油型乳化化粧料。
- 前記極性油はトリ2-エチルヘキサン酸グリセリル及びテトラ2-エチルヘキサン酸ペンタエリトリットからなる群から選ばれる少なくとも1種の極性油である、請求項1に記載の水中油型乳化化粧料。
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特開2016-183152号公報 |
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