JP4655853B2 - Bath salt composition - Google Patents
Bath salt composition Download PDFInfo
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- JP4655853B2 JP4655853B2 JP2005289009A JP2005289009A JP4655853B2 JP 4655853 B2 JP4655853 B2 JP 4655853B2 JP 2005289009 A JP2005289009 A JP 2005289009A JP 2005289009 A JP2005289009 A JP 2005289009A JP 4655853 B2 JP4655853 B2 JP 4655853B2
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- 239000000203 mixture Substances 0.000 title claims description 21
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 title description 2
- 235000019341 magnesium sulphate Nutrition 0.000 title description 2
- -1 polyol isostearate Chemical class 0.000 claims description 37
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical group CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 claims description 20
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 16
- 239000000600 sorbitol Substances 0.000 claims description 16
- 238000005886 esterification reaction Methods 0.000 claims description 15
- 230000032050 esterification Effects 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 230000003020 moisturizing effect Effects 0.000 claims description 10
- 229920005862 polyol Polymers 0.000 claims description 8
- 125000006353 oxyethylene group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 20
- 238000003287 bathing Methods 0.000 description 18
- 239000003921 oil Substances 0.000 description 17
- 235000019198 oils Nutrition 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 15
- 235000010356 sorbitol Nutrition 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 230000032683 aging Effects 0.000 description 13
- 238000004945 emulsification Methods 0.000 description 12
- 239000013040 bath agent Substances 0.000 description 11
- 239000000839 emulsion Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 235000014113 dietary fatty acids Nutrition 0.000 description 10
- 239000000194 fatty acid Substances 0.000 description 10
- 229930195729 fatty acid Natural products 0.000 description 10
- 230000001804 emulsifying effect Effects 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 7
- 150000004665 fatty acids Chemical class 0.000 description 6
- 230000001953 sensory effect Effects 0.000 description 6
- 235000019482 Palm oil Nutrition 0.000 description 5
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 5
- 239000002540 palm oil Substances 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 3
- 229940049964 oleate Drugs 0.000 description 3
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 2
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- LEEDMQGKBNGPDN-UHFFFAOYSA-N 2-methylnonadecane Chemical compound CCCCCCCCCCCCCCCCCC(C)C LEEDMQGKBNGPDN-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000004166 Lanolin Substances 0.000 description 2
- 229930195725 Mannitol Natural products 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 235000019437 butane-1,3-diol Nutrition 0.000 description 2
- 239000010495 camellia oil Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 229940105990 diglycerin Drugs 0.000 description 2
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
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- 150000003077 polyols Chemical class 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
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Description
本発明は、乳化安定性が高く、入浴後も肌に十分な潤い感を与え、さらに経時安定性も優れた入浴剤組成物に関する。 The present invention relates to a bath agent composition having high emulsification stability, giving a sufficient moist feeling to the skin even after bathing, and having excellent temporal stability.
従来、入浴剤は油性成分や薬用成分を一様に可溶化、乳化あるいは分散させて、体表面全体に塗布する目的で湯に含有させる製剤である。油性成分や薬用成分には、湯に溶けない、あるいは溶けにくい成分が多いため、界面活性剤を用いて可溶化あるいは乳化させ、浴槽の湯に馴染ませる技術が広く活用されている。しかし、浴槽内に投入した入浴剤のエマルジョンの形成が均一に起こらず浴槽に油浮きを生じる、または製剤の臭気が経時的に悪化してしまう欠点があった。これらの原因は、油性成分と界面活性剤の組み合わせが適していないことや、界面活性剤自身の劣化であると推測される。このような状況にあって、浴槽に投入する際、または投入後の浴槽内で希釈された状態における、エマルジョンの安定性が高く、しかも臭気の変化が少ない入浴剤の開発が望まれていた。
これまでに、いくつかの解決手段が提案されている。
例えば、非イオン性活性剤として、ポリオキシエチレンオレイン酸エステルやポリオキシエチレンオレイルエーテルなど不飽和炭化水素ポリオキシエチレン付加物が用いられている（例えば特許文献１、特許文献２、特許文献３）、ポリオキシエチレンモノヤシ油脂肪酸グリセリルやポリオキシエチレンモノイソステアリン酸グリセリルなどポリオキシエチレン脂肪酸グリセリルが用いられている（例えば特許文献４、特許文献５）。
しかし、ポリオキシエチレンオレイン酸エステルやポリオキシエチレンオレイルエーテルなど不飽和炭化水素ポリオキシエチレン付加物を用いた場合は、浴槽に投入する際、または投入後のエマルジョンの安定性は良好であるもの、臭気の経時安定性に劣る。また、ポリオキシエチレンモノヤシ油脂肪酸グリセリルやポリオキシエチレンモノイソステアリン酸グリセリルなどポリオキシエチレン脂肪酸グリセリルを用いた場合は、経時後の臭気の発生が少ないものは得られるものの、浴槽投入時の乳化性が悪く、目的の効果が得られない。
Conventionally, a bath agent is a preparation that is solubilized, emulsified or dispersed uniformly in oily components and medicinal components and contained in hot water for the purpose of applying to the entire body surface. Since many oily and medicinal components are insoluble or difficult to dissolve in hot water, a technique of solubilizing or emulsifying using a surfactant and adapting to hot water in a bathtub is widely used. However, there has been a drawback that the formation of the emulsion of the bathing agent charged in the bathtub does not occur uniformly and the oil floats in the bathtub or the odor of the preparation deteriorates with time. These causes are presumed to be that the combination of the oil component and the surfactant is not suitable or the surfactant itself is deteriorated. Under such circumstances, there has been a demand for the development of a bathing agent with high emulsion stability and little change in odor when it is poured into the bathtub or in a state diluted in the bathtub after charging.
So far, several solutions have been proposed.
For example, unsaturated hydrocarbon polyoxyethylene adducts such as polyoxyethylene oleate and polyoxyethylene oleyl ether are used as nonionic activators (for example, Patent Document 1, Patent Document 2, Patent Document 3). Polyoxyethylene fatty acid glyceryl such as polyoxyethylene monococonut oil fatty acid glyceryl and polyoxyethylene monoisostearate glyceryl is used (for example, Patent Document 4 and Patent Document 5).
However, when using unsaturated hydrocarbon polyoxyethylene adducts such as polyoxyethylene oleate and polyoxyethylene oleyl ether, the stability of the emulsion is good when thrown into the bath or after throwing, Inferior odor stability over time. In addition, when polyoxyethylene fatty acid glyceryl such as polyoxyethylene monococonut oil fatty acid glyceryl and polyoxyethylene monoisostearate glyceryl is used, it is possible to obtain a product with less odor generation after elapse of time, but emulsifying property when bathing The target effect cannot be obtained.
このような状況において、本発明は、乳化安定性が高く、入浴後も肌に十分な潤い感を与え、さらに経時安定性も優れた入浴剤組成物を提供することを課題とする。 Under such circumstances, an object of the present invention is to provide a bath agent composition that has high emulsification stability, gives a sufficient moist feeling to the skin even after bathing, and has excellent temporal stability.
すなわち本発明は、以下の示すものである。
（１）下記の成分ａ）、ｂ）、およびｃ）をａ）０．１〜４０重量％、ｂ）２０〜９５重量％、ｃ）０．０００１〜３０重量％含有することを特徴とする入浴剤組成物。
ａ） 式（Ｉ）で示されるポリオキシアルキレンポリオールイソステアリン酸エステル
Ｚ−（Ｏ［（ＥＯ）ｍ（ＰＯ）ｎ］−Ｒ）ａ （Ｉ）
（式中、Ｚはソルビトールの脱水酸基残基でａ＝６、ＥＯはオキシエチレン基、ＰＯはオキシプロピレン基、Ｒはイソステアリン酸残基あるいは水素原子でエステル化率は１５〜８５％である。ｍおよびｎはそれぞれオキシエチレン基、オキシプロピレン基の平均付加モル数で、ｎ＝０であり、１≦ｍ+ｎ≦２０、ｍ／（ｍ＋ｎ）≧０．８を満たす。オキシエチレン基、オキシプロピレン基はブロック状に付加していてもランダム状に付加していてもよい。）
ｂ）油性成分
ｃ）保湿成分
That is, the present invention is as follows.
(1) The following components a), b), and c) are contained in a) 0.1 to 40 wt%, b) 20 to 95 wt%, and c) 0.0001 to 30 wt%. Bath salt composition.
a) Polyoxyalkylene polyol isostearate represented by the formula (I) Z- (O [(EO) m (PO) n] -R) a (I)
(In the formula, Z is a hydroxyl group residue of sorbitol and a = 6 , EO is an oxyethylene group, PO is an oxypropylene group, R is an isostearic acid residue or a hydrogen atom, and the esterification rate is 15 to 85%. m and n are average addition mole numbers of oxyethylene group and oxypropylene group, respectively, n = 0, satisfying 1 ≦ m + n ≦ 20 and m / (m + n) ≧ 0.8. (The propylene group may be added in blocks or randomly.)
b) Oily component c) Moisturizing component
本発明は、乳化安定性が高く、入浴後も肌に十分な潤い感与え、さらに経時後の乳化安定性および臭気の発生の少ない優れた入浴剤組成物を提供することができる。 INDUSTRIAL APPLICABILITY The present invention can provide an excellent bath agent composition having high emulsification stability, giving a sufficient moist feeling to the skin even after bathing, and further preventing emulsification stability and odor generation after aging.
式（Ｉ）で示されるポリオキシアルキレンポリオールイソステアリン酸エステルにおいてＺは炭素数５以上、水酸基を５個以上持つ水酸基を除いた炭化水素残基であり、ペンチトール、キシリトール、マンニトール、ソルビトール、イノシトール、ガラクチト−ルなどの多価アルコールの脱水酸基残基があげられる。好ましくは炭素数５〜１２、水酸基を５〜１２個有する炭化水素の脱水酸基残基であり、より好ましくはソルビトールの脱水酸基残基である。Ｚは炭素数５未満、水酸基も５個未満である炭化水素の脱水酸基残基、例えばグリセリンでは経時後の乳化安定性が得られない。
ａは５≦ａを満たし、好ましくは５≦ａ≦１２である。
In the polyoxyalkylene polyol isostearic acid ester represented by the formula (I), Z is a hydrocarbon residue excluding a hydroxyl group having 5 or more carbon atoms and 5 or more hydroxyl groups, pentitol, xylitol, mannitol, sorbitol, inositol, Examples include dehydroxylated residues of polyhydric alcohols such as galactitol. Preferably, it is a dehydroxylated residue of a hydrocarbon having 5 to 12 carbon atoms and 5 to 12 hydroxyl groups, more preferably a dehydroxylated residue of sorbitol. When Z is a hydrocarbon dehydroxylated residue having less than 5 carbon atoms and less than 5 hydroxyl groups, such as glycerin, the emulsion stability after aging cannot be obtained.
a satisfies 5 ≦ a, and preferably 5 ≦ a ≦ 12.
Ｒはイソステアリン酸残基あるいは水素原子で、多価アルコール残基が有する全水酸基に対してエステル化される個数の割合をエステル化率とすると、エステル化率は１５〜８５％であり、好ましくは、３０〜７０％である。エステル化率は全水酸基の内、どの割合でエステル化されたを示す数値であり、エステル化前後の水酸基価により算出される。８５％より高いと、浴槽に投入する際の乳化性に劣り、場合によっては油浮きが生じてしまう。１５％より低いと、浴槽に投入する際の乳化性は良好であるが、経時後の乳化安定性に劣り、入浴後の肌の潤い感も十分でない。
イソステアリン酸としては、１６−メチルへプタデカン酸、２−ヘプチルウンデカン酸、２−オクチルデカン酸など種々の部位に分岐構造を含有した炭素数１８の脂肪酸であり、これらの混合物でも良い。
Ｒがイソステアリン酸以外の脂肪酸の残基、例えばラウリン酸、パルミチン酸、ステアリン酸の残基では経時後の乳化安定性に劣り、オレイン酸では経時後の臭気に劣る。
R is an isostearic acid residue or a hydrogen atom, and the esterification rate is 15 to 85%, where the ratio of the number of esterification to the total hydroxyl groups of the polyhydric alcohol residue is the esterification rate, preferably 30-70%. The esterification rate is a numerical value indicating the proportion of all hydroxyl groups that have been esterified, and is calculated by the hydroxyl value before and after esterification. If it is higher than 85%, the emulsifiability when put into the bathtub is inferior, and in some cases oil floating occurs. If it is lower than 15%, the emulsifying property when put into the bathtub is good, but the emulsifying stability after aging is inferior, and the moist feeling after bathing is not sufficient.
The isostearic acid is a fatty acid having 18 carbon atoms containing branched structures at various sites such as 16-methylheptadecanoic acid, 2-heptylundecanoic acid, 2-octyldecanoic acid, and a mixture thereof.
When R is a residue of fatty acids other than isostearic acid, for example, residues of lauric acid, palmitic acid, and stearic acid, the emulsion stability after time is inferior, and oleic acid is inferior in odor after time.
ＥＯはオキシエチレン基、ＰＯはオキシプロピレン基を示す。
ｍおよびｎは存在する水酸基に付加されるオキシエチレン基、オキシプロピレン基の平均付加モル数で、１≦ｍ＋ｎ≦２０、ｍ／（ｍ＋ｎ）≧０．８で、好ましくは１≦ｍ＋ｎ≦１０、さらに好ましくは３≦ｍ＋ｎ≦８でかつｎ＝０である。ｍ＋ｎが１より少ない場合、または２０より多い場合、目的の経時後における乳化安定性が得られない。また、ｍ／（ｍ＋ｎ）が０．８より小さいと経時後の乳化安定性が劣る。オキシエチレン基とオキシプロピレン基はブロック状に付加していてもランダム状に付加していても良い。
オキシアルキレン基の総付加モル数である（ｍ＋ｎ）×ａは５〜１２０が好ましく、１５〜１００がさらに好ましい。
EO represents an oxyethylene group, and PO represents an oxypropylene group.
m and n are the average number of moles of oxyethylene group and oxypropylene group added to the existing hydroxyl group, 1 ≦ m + n ≦ 20, m / (m + n) ≧ 0.8, preferably 1 ≦ m + n ≦ 10, More preferably, 3 ≦ m + n ≦ 8 and n = 0. When m + n is less than 1 or more than 20, the target emulsion stability after aging cannot be obtained. On the other hand, if m / (m + n) is smaller than 0.8, the emulsion stability after the lapse of time is poor. The oxyethylene group and the oxypropylene group may be added in a block form or randomly.
5-120 are preferable and (m + n) xa which is the total addition mole number of an oxyalkylene group has more preferable 15-100.
式（Ｉ）の化合物は、入浴剤組成物に０．１〜４０重量％含有され、好ましくは１〜３０重量％である。０．１重量％より少ないと、求める経時後の乳化安定性が得られず、４０重量％より多いと入浴後の肌の潤い感が十分でない。式（Ｉ）の化合物は１種または２種以上の混合物であっても良い。
ポリオキシアルキレンポリオールイソステアリン酸エステルは、公知の方法で製造することができる。例えば、ポリオールにアルキレンオキシドを付加反応して得られたポリオキシアルキレンポリオールとイソステアリン酸とのエステル化反応や低級アルコールのイソステアリン酸エステルとのエステル交換反応で得ることができる。エステル化の割合を調整することにより任意の化合物を得ることができる。
The compound of formula (I) is contained in the bath agent composition in an amount of 0.1 to 40% by weight, preferably 1 to 30% by weight. If the amount is less than 0.1% by weight, the desired emulsification stability after aging cannot be obtained. If the amount is more than 40% by weight, the moisturizing feeling after bathing is not sufficient. The compound of the formula (I) may be one kind or a mixture of two or more kinds.
The polyoxyalkylene polyol isostearic acid ester can be produced by a known method. For example, it can be obtained by an esterification reaction between a polyoxyalkylene polyol obtained by addition reaction of an alkylene oxide with a polyol and isostearic acid or an ester exchange reaction with an isostearic acid ester of a lower alcohol. Arbitrary compounds can be obtained by adjusting the rate of esterification.
ｂ）の油性成分には、スクワラン、スクワレン、流動パラフィン、軽質流動イソパラフィン、重質流動イソパラフィン、マイクロクリスタリンワックス、固形パラフィンなどの炭化水素類、ジメチコン、フェメチコン、シクロメチコン、アモジメチコン、ポリエーテル変性シリコーン、高重合ジメチルポリシロキサン、ポリエーテル変性ジメチルポリシロキサンなどのシリコーン類、ホホバ油、キャンデリラロウ、カルナウバワックス、モクロウ、ミツロウ、ゲイロウ、ラノリン、還元ラノリン、オレイン酸オクチドデシル、オレイン酸エチル、パルミチン酸オクチル、オクタン酸セチル、イソプロピルミリステート、ネオペンチルグリコールジイソステアレート、リンゴ酸ジイソステアレートなどのエステル類、ステアリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、イソステアリン酸、イソパルミチン酸、ベヘン酸、オレイン酸、ヤシ油脂肪酸、牛脂脂肪酸、パーム油脂肪酸、ジデカン酸ネオペンチルグリコール、トリ（カプリル／カプリン酸）グリセリル、トリ２−エチルヘキサン酸グリセリルなどの高級脂肪酸類及びこれらのトリグリセリド、ベヘニルアルコ−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、オクタデシルアルコールなどの高級アルコール類、オリーブ油、トウモロコシ油、落花生油、菜種油、ゴマ油、大豆油、ヤシ油、水添ヤシ油、パーム油、パーム核油、アボカド油、カカオ油、コメヌカ油、コメ胚芽油、ヒマシ油、アマニ油、ホホバ油、ひまわり油、マカデミアナッツ油、茶実油、綿実油、シソ油、椿油、小麦麦芽油、ヌカ油、牛脂、豚脂等の動植物油類等が挙げられる。より好ましくは炭化水素、エステル油、油脂である。またこれらを１種または２種以上用いても良い。
油性成分は入浴剤組成物に２０〜９５重量％含有され、好ましくは３０〜８０重量％である。２０重量％より少ないと、入浴後の肌の潤い感が得られず、９５重量％より多いと、浴槽中に投入する際の乳化性、もしくは経時後の乳化安定性に劣る。
The oily component of b) includes squalane, squalene, liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, microcrystalline wax, solid paraffin and other hydrocarbons, dimethicone, femethicone, cyclomethicone, amodimethicone, polyether-modified silicone. , Silicones such as highly polymerized dimethylpolysiloxane, polyether-modified dimethylpolysiloxane, jojoba oil, candelilla wax, carnauba wax, mole, beeswax, gallow, lanolin, reduced lanolin, octidodecyl oleate, ethyl oleate, palmitic Esters such as octyl acid, cetyl octoate, isopropyl myristate, neopentyl glycol diisostearate, diisostearate malate, stearic acid, lauric acid Myristic acid, palmitic acid, isostearic acid, isopalmitic acid, behenic acid, oleic acid, palm oil fatty acid, beef tallow fatty acid, palm oil fatty acid, neopentyl glycol didecanoate, tri (capryl / capric acid) glyceryl, tri-2-ethylhexane Higher fatty acids such as glyceryl acid and higher alcohols such as triglycerides, behenyl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, octadecyl alcohol, olive oil, corn oil, peanut oil, rapeseed oil, sesame oil, soybean oil, palm Oil, hydrogenated palm oil, palm oil, palm kernel oil, avocado oil, cacao oil, rice bran oil, rice germ oil, castor oil, flaxseed oil, jojoba oil, sunflower oil, macadamia nut oil, tea seed oil, cottonseed oil, perilla oil , Camellia oil, wheat germ oil, nu Oil, beef tallow, animal and vegetable oils such as lard, and the like. More preferred are hydrocarbons, ester oils and fats. Moreover, you may use 1 type, or 2 or more types of these.
The oil component is contained in the bath agent composition in an amount of 20 to 95% by weight, preferably 30 to 80% by weight. When the amount is less than 20% by weight, a moist feeling after bathing cannot be obtained. When the amount is more than 95% by weight, the emulsifiability when put into a bath or the emulsification stability after aging is inferior.
ｃ）の保湿成分には、ｃ１）としてグリセリン、ジグリセリン、ポリグリセリン、トリメチロールプロパン、１，３−ブチレングリコール、３−メチル１，３−ブチレングリコール、エチレングリコール、ジエチレングリコール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、グルコース、ポリプロピレングリコール、ソルビトール、キシリトール、トレハロース、マルチトール、マンニトール、キトサン、乳糖、果糖等の多価アルコールが挙げられる。ｃ１）成分としてより好ましくはグリセリン、ジグリセリン、１，３−ブチレングリコール、ジプロピレングリコールである。また、ｃ２）として尿素、セラミド、コラーゲン、エラスチン、ヒアルロン酸ナトリウム、ピロリドンカルボン酸ナトリウム、乳酸ナトリウム、リボ核酸ナトリウム等の天然保湿成分、アスパラギン酸、アラニン、グリシン、システイン、セリン、アルギニン、リシン、アルギン酸ナトリウム等のアミノ酸及びその誘導体、プラセンタエキス、センキュウエキス、アロエエキス、ユーカリエキス、ユキノシタエキス、緑茶エキス、チンピエキス、海藻エキス、カミツレ流エキス、コメヌカエキス等の動植物エキス類、カルボキシビニルポリマー、ゼラチンおよびメチルセルロース、キサンタンガム等の水溶性高分子、２−メタクリロイルオキシエチルホスホリルコリン等の天然保湿成分類似化合物が挙げられる。またこれらを１種または２種以上用いても良い。
保湿成分は入浴剤組成物に０．０００１〜３０重量％含有され、好ましくはｃ１）成分を０．１〜２０重量％と共にｃ２）成分を０．０１〜１０重量％含有され、より好ましくはｃ１）とｃ２）の割合が０．１≦ｃ１）／ｃ２）≦４００で含有する。０．０００１重量％より少ないと、入浴後の肌の潤い感が得られず、３０％より多いと、経時後の乳化安定性が劣る。
The moisturizing component of c) includes glycerin, diglycerin, polyglycerin, trimethylolpropane, 1,3-butylene glycol, 3-methyl 1,3-butylene glycol, ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol as c1) And polyhydric alcohols such as dipropylene glycol, glucose, polypropylene glycol, sorbitol, xylitol, trehalose, maltitol, mannitol, chitosan, lactose, and fructose. More preferred as component c1) are glycerin, diglycerin, 1,3-butylene glycol and dipropylene glycol. In addition, as c2), natural moisturizing ingredients such as urea, ceramide, collagen, elastin, sodium hyaluronate, sodium pyrrolidonecarboxylate, sodium lactate, sodium ribonucleic acid, aspartic acid, alanine, glycine, cysteine, serine, arginine, lysine, alginic acid Amino acids such as sodium and derivatives thereof, placenta extract, nematode extract, aloe extract, eucalyptus extract, saxifrage extract, green tea extract, chimpi extract, seaweed extract, chamomile extract, rice bran extract, carboxyvinyl polymer, gelatin and methylcellulose, Examples thereof include water-soluble polymers such as xanthan gum and natural moisturizing component-like compounds such as 2-methacryloyloxyethyl phosphorylcholine. Moreover, you may use 1 type, or 2 or more types of these.
The moisturizing component is contained in the bath composition in an amount of 0.0001 to 30% by weight, preferably 0.1 to 20% by weight of c1) component and 0.01 to 10% by weight of component c2), more preferably c1. ) And c2) are contained at 0.1 ≦ c1) / c2) ≦ 400. When the amount is less than 0.0001% by weight, a moist feeling after bathing cannot be obtained. When the amount is more than 30%, the emulsification stability after aging is inferior.
本発明の入浴剤組成物には、本発明の効果を阻害しない範囲において水、一般に入浴剤組成物に配合される他の成分を適宜加えることができる。他成分として、非イオン性界面活性剤、アルキルアミンオキシド等の半極性界面活性剤、アシルメチルタウリン塩等の陰イオン性界面活性剤、塩化アルキルトリメチルアンモニウム等の陽イオン性界面活性剤、アミドプロピルジメチルアミノ酢酸ベタイン、アルキルイミノジ酢酸塩等の両性界面活性剤、ビタミン、グリチルリチン酸塩、テルペン類、パラベン類、エタノール、フェノキシエタノール等の防腐剤、ジメチルアミノ安息香酸エステル類、桂皮酸エステル類などの紫外線吸収剤、ｌ−メントール、ペパーミントなどの清涼剤、炭酸水素ナトリウム、イオウ華、クエン酸、安息香酸などの無機または有機塩類、金属イオン封鎖剤、酸化防止剤、香料、色素、粉体類等を挙げることができる。 To the bath composition of the present invention, water and other components generally blended in the bath composition can be appropriately added within a range not inhibiting the effects of the present invention. Other components include nonionic surfactants, semipolar surfactants such as alkylamine oxides, anionic surfactants such as acylmethyltaurine salts, cationic surfactants such as alkyltrimethylammonium chloride, amidopropyl Amphoteric surfactants such as betaine dimethylaminoacetate and alkyliminodiacetate, preservatives such as vitamins, glycyrrhizinate, terpenes, parabens, ethanol, phenoxyethanol, dimethylaminobenzoic acid esters, cinnamic acid esters, etc. Ultraviolet absorbers, l-menthol, peppermint and other refreshing agents, sodium hydrogen carbonate, sulfur flower, citric acid, benzoic acid and other inorganic or organic salts, sequestering agents, antioxidants, perfumes, pigments, powders, etc. Can be mentioned.
本発明の入浴剤組成物は、通常の方法により製造でき、液状、ゲル状、カプセル状等の剤型とすることができ、原液のままでも水等で希釈してもよい。使用量は目的に応じて適宜選択して使用することができる。通常、浴槽のお湯に約２００ｌに対して、５〜１００ｍｌの本発明品を投入して、分散するようにかき混ぜて使用することができる。
本発明の入浴剤組成物はａ）成分、ｂ）成分、およびｃ）、その他の成分を配合することができるが、上記の配合量において、合計して１００重量％を超えない範囲で配合することができる。
The bath agent composition of the present invention can be produced by a usual method, can be made into a liquid, gel, capsule or other dosage form, and may be diluted with water or the like as a stock solution. The amount used can be appropriately selected according to the purpose. In general, 5 to 100 ml of the product of the present invention is added to about 200 l of hot water in a bathtub, and can be used by stirring so as to disperse.
The bath agent composition of the present invention can contain a) component, b) component, and c) and other components, but in the above-mentioned blending amount, it is blended within a range not exceeding 100% by weight. be able to.
以下に本発明例と比較例を挙げて本発明を更に詳しく説明する。
本発明例１〜６、比較例１〜７
本発明のａ）成分、ｂ）成分、ｃ）成分を選定し、ａ）成分の比較物質としてａ’）成分を選定し、表１の配合組成（重量％）にて入浴剤組成物を調整し、その官能使用感を下記評価基準に基づき評価した。
表１に評価結果も合わせて示す。
＜合成例 テトライソステアリン酸ＰＯＥ（３０）ソルビトールの合成例＞
ソルビト−ル１８２ｇを触媒として水酸化カリウム４．５ｇをオートクレーブ中に仕込み、オートクレーブ中の空気を乾燥窒素で置換した後、攪拌しながら１４０℃で触媒を完全に溶解した。次に滴下装置によりエチレンオキシド１３２０ｇを滴下させ、２時間攪拌した。その後オートクレーブから反応組成物を取り出し、リン酸で中和してポリオキシエチレン（３０）ソルビトールを得た。水酸基価は２２５であった。
得られたポリオキシエチレン（３０）ソルビトール１５００ｇとイソステアリン酸（ＥＭＥＲＳＯＬ８７３；コグニス社製）１１４０ｇを２００℃にて６時間反応させ、テトライソステアリン酸ＰＯＥ（３０）ソルビトールを得た。水酸基価４５であることからエステル化率６７％であった。
合成例に準じて本発明例のポリオキシアルキレンポリオールイソステアリン酸エステルを合成し、本発明例１〜６および比較例１〜７の入浴剤組成物を調整して、下記の方法で評価を行った。
Hereinafter, the present invention will be described in more detail with reference to examples of the present invention and comparative examples.
Invention Examples 1-6, Comparative Examples 1-7
The a) component, b) component, and c) component of the present invention are selected, the a ′) component is selected as a comparative material for the a) component, and the bath agent composition is adjusted with the composition (weight%) shown in Table 1. The sensory feeling was evaluated based on the following evaluation criteria.
Table 1 also shows the evaluation results.
<Synthesis example> Synthesis example of tetraisostearic acid POE (30) sorbitol>
Using 182 g of sorbitol as a catalyst, 4.5 g of potassium hydroxide was charged into an autoclave. After the air in the autoclave was replaced with dry nitrogen, the catalyst was completely dissolved at 140 ° C. with stirring. Next, 1320 g of ethylene oxide was dropped with a dropping device and stirred for 2 hours. Thereafter, the reaction composition was taken out from the autoclave and neutralized with phosphoric acid to obtain polyoxyethylene (30) sorbitol. The hydroxyl value was 225.
1500 g of the obtained polyoxyethylene (30) sorbitol and 1140 g of isostearic acid (EMERSOL873; manufactured by Cognis) were reacted at 200 ° C. for 6 hours to obtain tetraisostearic acid POE (30) sorbitol. Since the hydroxyl value was 45, the esterification rate was 67%.
According to the synthesis example, the polyoxyalkylene polyol isostearic acid ester of the present invention example was synthesized, and the bath agent compositions of the present invention examples 1 to 6 and comparative examples 1 to 7 were prepared and evaluated by the following methods. .
注）テトライソステアリン酸ＰＯＥ（30）ソルビトール：ｍ＝５、ｎ＝０、ａ＝６、エステル化率；６７％
テトライソステアリン酸ＰＯＥ（6）ソルビトール：ｍ＝１、ｎ＝０、ａ＝６、エステル化率；６７％
テトライソステアリン酸ＰＯＥ（60）ソルビトール：ｍ＝１０、ｎ＝０、ａ＝６、エステル化率；６７％
トリイソステアリン酸ＰＯＥ（30）ソルビトール：ｍ＝５、ｎ＝０、ａ＝６、エステル化率；５０％
ジイソステアリン酸ＰＯＥ（30）ソルビトール：ｍ＝５、ｎ＝０、ａ＝６、エステル化率；３３％
Note) Tetraisostearic acid POE (30) sorbitol: m = 5, n = 0, a = 6, esterification rate; 67%
Tetraisostearic acid POE (6) sorbitol: m = 1, n = 0, a = 6, esterification rate; 67%
Tetraisostearic acid POE (60) sorbitol: m = 10, n = 0, a = 6, esterification rate; 67%
Triisostearic acid POE (30) sorbitol: m = 5, n = 0, a = 6, esterification rate; 50%
Diisostearic acid POE (30) sorbitol: m = 5, n = 0, a = 6, esterification rate; 33%
＜使用テスト＞
湯に投入する際の乳化性（湯との馴染み性）、入浴後（入浴後から３時間経過するまでの期間）の肌の潤い感、経時後の乳化安定性及び臭気について、男女２０名のパネルによる使用テストを行い、下記評価基準に基づいて評価した。
（１）湯に投入する際の乳化性（湯との馴染み性）
浴槽の湯に対して本発明品および比較品を希釈率１／２０００で投入し、大きくゆっくりと１回混ぜた時、全体の湯が均一に乳化するまでの速さと乳化性を目視により判定した。２０名の官能評価から、○以上を乳化性が良好であると評価した。
◎：混ぜている途中で均一に乳化する。
○：混ぜた後、速やかに乳化する。
△：１回混ぜただけでは乳化しない。または一部に油浮きが見られる。
×：均一に乳化しない。または油浮きする。
（２）入浴後（入浴後から３時間経過後までの期間）の肌の潤い感
浴槽の湯に対して本発明品および比較品を希釈率１／２０００で投入して入浴し、入浴後から３時間経過するまで、肌の潤い感について官能により評価した。２０名の官能評価から、○以上を入浴後の肌の潤い感を得られると評価した。
◎：２０名中、１５名以上が潤い感を得たと評価。
○：２０名中、１１〜１５名が潤い感を得たと評価。
△：２０名中、５〜１０名が潤い感を得たと評価。
×：２０名中、５名以下が潤い感を得たと評価。
<Use test>
About 20 men and women about emulsifying properties (familiarity with hot water) when poured into hot water, moisturized skin after bathing (a period of 3 hours after bathing), emulsification stability and odor after aging A panel usage test was performed and evaluated based on the following evaluation criteria.
(1) Emulsifying properties when pouring into hot water (compatibility with hot water)
When the product of the present invention and the comparative product were added at a dilution rate of 1/2000 with respect to the hot water in the bathtub and mixed once slowly and slowly, the speed and emulsification until the entire hot water was uniformly emulsified were visually determined. . From the sensory evaluation of 20 people, the o or better was evaluated as having good emulsifiability.
A: Emulsified uniformly during mixing.
○: Emulsified immediately after mixing.
Δ: Emulsification does not occur just by mixing once. Or some oil floats are seen.
X: Not emulsified uniformly. Or oil floats.
(2) Moisturized skin feeling after bathing (period after bathing for 3 hours) The product of the present invention and the comparative product are poured into the bath water at a dilution rate of 1/2000 and bathed. Until 3 hours passed, the moist feeling of the skin was evaluated by sensory evaluation. From the sensory evaluation of 20 people, it was evaluated that a feeling of moisturizing the skin after bathing can be obtained when it is more than ○.
A: Evaluated that 15 or more of 20 people got moist feeling.
○: It was evaluated that 11 to 15 people got moist feeling among 20 people.
(Triangle | delta): It evaluated that 5-10 persons got a moist feeling among 20 persons.
X: Evaluated that among 20 people, 5 or less people got moist feeling.
（３）経時後の乳化安定性
４０℃にて３ヶ月間保持した本発明品および比較品を浴槽の湯に希釈率１／２０００で投入し、大きくゆっくりと１回混ぜた後３時間静置した時点で、乳化安定性について下記の基準で評価した。２０名の官能評価から、○以上を乳化安定性に優れていると評価した。
◎：油浮きなし。
○：油浮きはほとんどなし。
△：一部油浮きがある。
×： 著しい油浮きがある。
（４）経時後の臭気
４０℃にて３ヶ月間保持した本発明品および比較品を浴槽の湯に希釈率１／２０００で投入し、その臭気を下記の基準で評価した。２０名の官能評価から、○以上を臭気が優れていると評価した。
◎：２０名中、１５名以上が劣化臭を感じないと評価。
○：２０名中、１０〜１５名が劣化臭を感じないと評価。
△：２０名中、５〜１０名が劣化臭を感じないと評価。
×：２０名中、５名以下が劣化臭を感じないと評価。
(3) Emulsification stability after aging The product of the present invention and the comparative product maintained at 40 ° C. for 3 months are poured into the hot water of the bath at a dilution rate of 1/2000, mixed once slowly and then allowed to stand for 3 hours. At that time, the emulsion stability was evaluated according to the following criteria. From the sensory evaluation of 20 persons, it was evaluated that ○ or more was excellent in emulsion stability.
A: No oil floating.
○: There is almost no oil floating.
Δ: Some oil floats.
×: Remarkable oil floating.
(4) Odor after aging The product of the present invention and the comparative product maintained at 40 ° C. for 3 months were poured into hot water in the bathtub at a dilution rate of 1/2000, and the odor was evaluated according to the following criteria. From the sensory evaluation of 20 people, it was evaluated that the odor was excellent when it was ○ or more.
A: Evaluated that 15 or more of 20 people do not feel a deterioration odor.
A: Evaluated that 10 to 15 out of 20 people do not feel the deterioration odor.
(Triangle | delta): It evaluates that 5-10 persons do not feel a deterioration odor among 20 persons.
X: Evaluated that, among 20 people, 5 or less people do not feel the deterioration odor.
本発明の入浴剤組成物を用いた本発明例は、すべての性能を満足していた。
これに対し、テトラオレイン酸POE（３０）ソルビトールを配合した比較例１は乳化性に優れているものの、経時後の臭気が悪い。本発明のポリオキシアルキレンポリオールイソステアリン酸エステルを含まない比較例２は経時後の乳化安定性、入浴後の肌の潤い感に劣っていた。油性成分が請求項の範囲以下で配合した比較例３、保湿成分を配合していない比較例４では、入浴後の肌の潤い感に劣る。グリセリン骨格を有する非イオン性界面活性剤を配合した比較例５〜７では経時後の臭気は優れていたが、乳化性および経時後の乳化安定性に劣っていた。
このように比較例の入浴剤組成物はいずれも、湯に投入する際の乳化性、入浴後の肌の潤い感、経時後の乳化安定性、経時後の臭気をすべて満足するものではなかった。
The inventive examples using the bath agent composition of the present invention satisfied all the performances.
On the other hand, Comparative Example 1 in which tetraoleic acid POE (30) sorbitol was blended was excellent in emulsifying property, but the odor after aging was poor. The comparative example 2 which does not contain the polyoxyalkylene polyol isostearic acid ester of this invention was inferior to the emulsification stability after time and the moist feeling of the skin after bathing. In Comparative Example 3 in which the oil component is blended within the scope of the claims and Comparative Example 4 in which the moisturizing component is not blended, the moisturizing feeling after bathing is inferior. In Comparative Examples 5 to 7 in which a nonionic surfactant having a glycerin skeleton was blended, the odor after time was excellent, but the emulsifiability and the emulsion stability after time were inferior.
Thus, all of the comparative bath compositions did not satisfy all of the emulsifying properties when poured into hot water, the moist feeling of the skin after bathing, the emulsion stability after aging, and the odor after aging. .
Claims (1)
ａ）式（Ｉ）で示されるポリオキシアルキレンポリオールイソステアリン酸エステル
Ｚ−（Ｏ［（ＥＯ）ｍ（ＰＯ）ｎ］−Ｒ）ａ （Ｉ）
（式中、Ｚはソルビトールの脱水酸基残基でａ＝６、ＥＯはオキシエチレン基、ＰＯはオキシプロピレン基、Ｒはイソステアリン酸残基あるいは水素原子でエステル化率は１５〜８５％である。ｍおよびｎはそれぞれオキシエチレン基、オキシプロピレン基の平均付加モル数で、ｎ＝０であり、１≦ｍ+ｎ≦２０、ｍ／（ｍ＋ｎ）≧０．８を満たす。オキシエチレン基、オキシプロピレン基はブロック状に付加していてもランダム状に付加していてもよい。）
ｂ）油性成分
ｃ）保湿成分 A bath composition comprising the following components a), b) and c): a) 0.1 to 40% by weight, b) 20 to 95% by weight, c) 0.0001 to 30% by weight .
a) Polyoxyalkylene polyol isostearate represented by the formula (I) Z- (O [(EO) m (PO) n] -R) a (I)
(In the formula, Z is a hydroxyl group residue of sorbitol and a = 6 , EO is an oxyethylene group, PO is an oxypropylene group, R is an isostearic acid residue or a hydrogen atom, and the esterification rate is 15 to 85%. m and n are average addition mole numbers of oxyethylene group and oxypropylene group, respectively, n = 0, satisfying 1 ≦ m + n ≦ 20 and m / (m + n) ≧ 0.8. (The propylene group may be added in blocks or randomly.)
b) Oily component c) Moisturizing component
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294883A (en) * | 1976-02-05 | 1977-08-09 | Kao Corp | Emulsifying or solubilizing agent composition |
| JPS61236722A (en) * | 1985-04-01 | 1986-10-22 | サントル・アンテルナシヨナル・ド・ルシエルシユ・デルマトロジツク・セ．イ．エール．デ | Psorelane-containing bath composition for treating skin diseases |
| JPH08245366A (en) * | 1995-03-16 | 1996-09-24 | Nonogawa Shoji Kk | Cosmetic |
| JP2005289830A (en) * | 2004-03-31 | 2005-10-20 | Nof Corp | Cleansing cosmetic |
| JP2006096883A (en) * | 2004-09-29 | 2006-04-13 | Nof Corp | Detergent composition |
| JP2007099649A (en) * | 2005-09-30 | 2007-04-19 | Nof Corp | Cosmetic composition |
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2005
- 2005-09-30 JP JP2005289009A patent/JP4655853B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294883A (en) * | 1976-02-05 | 1977-08-09 | Kao Corp | Emulsifying or solubilizing agent composition |
| JPS61236722A (en) * | 1985-04-01 | 1986-10-22 | サントル・アンテルナシヨナル・ド・ルシエルシユ・デルマトロジツク・セ．イ．エール．デ | Psorelane-containing bath composition for treating skin diseases |
| JPH08245366A (en) * | 1995-03-16 | 1996-09-24 | Nonogawa Shoji Kk | Cosmetic |
| JP2005289830A (en) * | 2004-03-31 | 2005-10-20 | Nof Corp | Cleansing cosmetic |
| JP2006096883A (en) * | 2004-09-29 | 2006-04-13 | Nof Corp | Detergent composition |
| JP2007099649A (en) * | 2005-09-30 | 2007-04-19 | Nof Corp | Cosmetic composition |
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