JP2013116864A - Aqueous paste and cosmetic - Google Patents
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- JP2013116864A JP2013116864A JP2011264304A JP2011264304A JP2013116864A JP 2013116864 A JP2013116864 A JP 2013116864A JP 2011264304 A JP2011264304 A JP 2011264304A JP 2011264304 A JP2011264304 A JP 2011264304A JP 2013116864 A JP2013116864 A JP 2013116864A
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- 239000002537 cosmetic Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 32
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 21
- 239000006185 dispersion Substances 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- -1 Mannosyl erythritol lipid Chemical class 0.000 claims description 12
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 239000004472 Lysine Substances 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- 229930014626 natural product Natural products 0.000 claims description 5
- HVCOBJNICQPDBP-UHFFFAOYSA-N 3-[3-[3,5-dihydroxy-6-methyl-4-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxydecanoyloxy]decanoic acid;hydrate Chemical compound O.OC1C(OC(CC(=O)OC(CCCCCCC)CC(O)=O)CCCCCCC)OC(C)C(O)C1OC1C(O)C(O)C(O)C(C)O1 HVCOBJNICQPDBP-UHFFFAOYSA-N 0.000 claims description 3
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims description 3
- 229930186217 Glycolipid Natural products 0.000 claims description 3
- 235000019766 L-Lysine Nutrition 0.000 claims description 3
- ZDXPYRJPNDTMRX-VKHMYHEASA-N L-glutamine Chemical compound OC(=O)[C@@H](N)CCC(N)=O ZDXPYRJPNDTMRX-VKHMYHEASA-N 0.000 claims description 3
- 229930182816 L-glutamine Natural products 0.000 claims description 3
- 235000001014 amino acid Nutrition 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 150000005846 sugar alcohols Chemical class 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 238000004898 kneading Methods 0.000 abstract description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 229940058015 1,3-butylene glycol Drugs 0.000 description 7
- 235000019437 butane-1,3-diol Nutrition 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 3
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 3
- 230000005661 hydrophobic surface Effects 0.000 description 3
- 235000018977 lysine Nutrition 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 235000013922 glutamic acid Nutrition 0.000 description 2
- 239000004220 glutamic acid Substances 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004288 Sodium dehydroacetate Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229940064004 antiseptic throat preparations Drugs 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 125000000311 mannosyl group Chemical group C1([C@@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004526 silane-modified polyether Substances 0.000 description 1
- 150000004756 silanes Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229940079839 sodium dehydroacetate Drugs 0.000 description 1
- 235000019259 sodium dehydroacetate Nutrition 0.000 description 1
- DSOWAKKSGYUMTF-GZOLSCHFSA-M sodium;(1e)-1-(6-methyl-2,4-dioxopyran-3-ylidene)ethanolate Chemical compound [Na+].C\C([O-])=C1/C(=O)OC(C)=CC1=O DSOWAKKSGYUMTF-GZOLSCHFSA-M 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Cosmetics (AREA)
Abstract
Description
本発明は、例えば化粧料に配合するペーストとして用いられて好適な水性ペーストおよびそれを含有する化粧料に関するものである。 The present invention relates to an aqueous paste suitable for use as, for example, a paste blended in cosmetics, and a cosmetic containing the same.
従来、化粧料用のペーストとしては、（ａ）口紅用に用いられるようなベースオイルに無機・有機顔料を分散させてなるカラーベースや、（ｂ）シリコーンオイルや炭化水素、エステル油などの油相に吸油量の高いシリコーンエラストマーやＰＭＭＡ粒子などを分散させてなるペーストなどが使用されている。中でも後者の（ｂ）のペーストは、主に油中水型の化粧料に配合することで、塗布時の感触を改良し、化粧ベースとしての機能を付与するものである。 Conventionally, as a paste for cosmetics, (a) a color base obtained by dispersing an inorganic or organic pigment in a base oil used for lipstick, or (b) an oil phase such as silicone oil, hydrocarbon, ester oil or the like. A paste in which a silicone elastomer having high oil absorption or PMMA particles is dispersed is used. Among them, the latter paste (b) is mainly blended in a water-in-oil type cosmetic to improve the touch at the time of application and to give a function as a makeup base.
しかし、このようなペーストを水中油型の化粧料に配合する場合、ペーストは一般的に配合比率の少ない油相に加えねばならず、配合量に制限があるばかりでなく、水中油型の特徴である使用時のさっぱり感が損なわれるといった問題が生じる。 However, when such a paste is blended into an oil-in-water cosmetic, the paste generally has to be added to an oil phase with a small blending ratio, not only the blending amount is limited, but also the oil-in-water characteristics. The problem that the refreshing feeling at the time of use is impaired arises.
このような問題を解決するために、球状粒子自体を親水性処理して水相に配合することで、その配合量を上げる手法が提案されている（例えば、特許文献１〜３参照）。ここで、特許文献１，２には、水溶性カチオンポリマーと低分子有機ケイ素誘導体の被覆処理に関する技術が、特許文献３には、ポリエーテル変性シランを表面処理する技術がそれぞれ開示されている。 In order to solve such a problem, a technique has been proposed in which spherical particles themselves are hydrophilically treated and blended into an aqueous phase to increase the blending amount (see, for example, Patent Documents 1 to 3). Here, Patent Documents 1 and 2 disclose a technique related to a coating treatment of a water-soluble cationic polymer and a low-molecular organosilicon derivative, and Patent Document 3 discloses a technique for surface-treating a polyether-modified silane.
このような親水性粉体を用いた場合、水中油型化粧料の水相に添加することができ、配合量を上げることが可能となるため、化粧料自体の感触を効果的に改良することが可能である。 When such a hydrophilic powder is used, it can be added to the water phase of an oil-in-water cosmetic, and the amount of blending can be increased, effectively improving the feel of the cosmetic itself. Is possible.
しかしながら、粉体自体が親水性であるため、化粧料としては充分な耐水性をもった塗膜を得ることが困難であるという問題点がある。なお、塗膜の耐水性を向上させるために、使用する粉体を疎水性にすることが有効であるが、疎水性粉体では水相に添加することは極めて難しいものとなる。 However, since the powder itself is hydrophilic, there is a problem that it is difficult to obtain a coating film having sufficient water resistance as a cosmetic. In order to improve the water resistance of the coating film, it is effective to make the powder used hydrophobic, but it is extremely difficult to add the hydrophobic powder to the aqueous phase.
さらに、上記のような問題を解決するために、できるだけ高粘度の水性ゲルに分散させたペーストの形態とすることが考えられる（例えば、特許文献４参照）。この特許文献４には、水膨潤性増粘剤で水性ゲルを作製し、次いで有機シリコーン樹脂を分散させた水中油型唇用下地が開示されている。
このペーストを用いれば水相への添加は可能であるが、ペースト自体の粘度が高いため、感触改良用の粉体の配合量に制限が生じるという問題点がある。
Furthermore, in order to solve the above problems, it is conceivable to use a paste dispersed in an aqueous gel having as high a viscosity as possible (see, for example, Patent Document 4). Patent Document 4 discloses an oil-in-water lip base in which an aqueous gel is prepared with a water-swellable thickener and then an organic silicone resin is dispersed.
If this paste is used, it can be added to the aqueous phase. However, since the viscosity of the paste itself is high, there is a problem that the amount of the powder for improving the touch is limited.
本発明は、前述のような問題点に鑑みてなされたもので、水中油型化粧料に多く配合することが可能で、使用時の耐水性も高く使用感にも優れる水性ペーストおよび化粧料を提供することを目的とするものである。 The present invention has been made in view of the above-described problems. An aqueous paste and a cosmetic that can be blended in a large amount in an oil-in-water cosmetic and have high water resistance during use and excellent usability. It is intended to provide.
本発明者らは、上記の問題を解決すべく鋭意検討した結果、疎水性粉体と両親媒性の分散剤および分散助剤を水に加えて、強制連続的に分散させることで水性ゲルを用いずに疎水性粉体が分散された水性ペーストが得られることを見出した。
要するに、前記目的を達成するために、本発明による水性ペーストは、
疎水性粉体および分散剤としての両親媒性化合物、更に分散助剤としての高級アルコールを水に連続的に強制分散させてなることを特徴とするものである（第１発明）。
ここで、かかる連続的強制分散による強制攪拌には、二軸押出機を用いることが有効であり、かつそのスクリュー回転数が１５０ｒｐｍから６００ｒｐｍの範囲で混練することで連続的に所望のペーストが得られるものである。
As a result of intensive studies to solve the above problems, the inventors of the present invention added a hydrophobic powder, an amphiphilic dispersant and a dispersion aid to water and dispersed the aqueous gel by forced continuous dispersion. It has been found that an aqueous paste in which hydrophobic powder is dispersed can be obtained without using it.
In short, in order to achieve the above object, the aqueous paste according to the present invention comprises:
A hydrophobic powder, an amphiphilic compound as a dispersing agent, and a higher alcohol as a dispersing aid are forcibly dispersed continuously in water (first invention).
Here, for forced stirring by such continuous forced dispersion, it is effective to use a twin screw extruder, and a desired paste can be obtained continuously by kneading the screw at a speed of 150 rpm to 600 rpm. It is what
本発明において、前記疎水性粉体が疎水化球状シリコーン樹脂であり、前記分散剤が天然物由来である下記化学式（１）で示されるマンノースと糖アルコールと脂肪酸とで構成される糖脂質であるマンノシルエリスリトールリピッド、または同じく天然物由来であり下記化学式（２）で示されるアシル化アミノ酸塩とＬ−リジンもしくはＬ−グルタミンとの縮合物である両親媒性化合物であり、更に前記分散助剤として１，３ブチレングリコールを含むものであるのが好ましい（第２発明）。
次に、第３発明による化粧料は、
第１発明または第２発明に係る水性ペーストを１〜９５質量％含有してなることを特徴とするものである。
Next, the cosmetic according to the third invention is:
The aqueous paste according to the first invention or the second invention is contained in an amount of 1 to 95% by mass.
本発明においては、疎水性粉体および分散剤としての両親媒性化合物、更に分散助剤としての高級アルコールを水に連続的に強制分散させることにより、ペースト化粧料としてのなめらかな感触を有し、かつ水ベース特有のさっぱりした感触を肌へ与えることのできる水性ペーストが得られる。この水性ペーストは、水中油型化粧料に多く配合することが可能で、使用時の耐水性も高く使用感にも優れる化粧料が得られる。 In the present invention, a hydrophobic powder, an amphiphilic compound as a dispersant, and a higher alcohol as a dispersion aid are continuously forcedly dispersed in water to provide a smooth feel as a paste cosmetic. And the aqueous paste which can give the refreshing touch peculiar to water base to skin is obtained. A large amount of this aqueous paste can be blended in an oil-in-water cosmetic, and a cosmetic with high water resistance during use and excellent usability can be obtained.
次に、本発明による水性ペーストおよび化粧料の具体的な実施の形態について説明する。 Next, specific embodiments of the aqueous paste and cosmetic according to the present invention will be described.
本発明で用いられる疎水性粉体としては、無機顔料、有機顔料および樹脂粉体顔料があり、水に溶解しない物質であれば特に限定されないが、感触の向上という観点からは板状および球状粉体が望ましい。ここで板状粉体としては、マイカ、セリサイト、タルク、板状酸化セリウム、板状酸化亜鉛、板状酸化チタン、ガラスフレーク等が挙げられる。また球状粉体としては、シリコーン樹脂パウダー、ポリ乳酸パウダー、ナイロンパウダー、ＰＭＭＡパウダー、ポリウレタンパウダー、四フッ化エチレンパウダーなどの樹脂粉体や、球状酸化チタン、球状シリカ、球状酸化セリウム、球状酸化亜鉛等の無機粉体が挙げられる。 The hydrophobic powder used in the present invention includes inorganic pigments, organic pigments, and resin powder pigments, and is not particularly limited as long as it is a substance that does not dissolve in water. The body is desirable. Examples of the plate-like powder include mica, sericite, talc, plate-like cerium oxide, plate-like zinc oxide, plate-like titanium oxide, and glass flakes. As spherical powder, silicone resin powder, polylactic acid powder, nylon powder, PMMA powder, polyurethane powder, ethylene tetrafluoride powder, etc., spherical titanium oxide, spherical silica, spherical cerium oxide, spherical zinc oxide Inorganic powders such as
ここで、上記のそれぞれの粉体は疎水性の表面を有していなければならず、顔料由来の疎水性でも構わないし、または疎水性表面処理による疎水化でも構わない。疎水性表面処理としては、例えば、ポリジメチルシロキサン、メチルハイドロジェンポリシロキサン等によるシリコーン処理やチタネート処理、フッ素処理、金属石鹸処理、更に他の天然物由来のリン脂質などのレシチン等が挙げられる。これらの処理は単独でも構わないし、複数を用いて混合処理、重複処理を行っても構わない。 Here, each of the powders described above must have a hydrophobic surface, and may be a pigment-derived hydrophobic material or may be hydrophobicized by a hydrophobic surface treatment. Examples of the hydrophobic surface treatment include silicone treatment with polydimethylsiloxane, methylhydrogenpolysiloxane, titanate treatment, fluorine treatment, metal soap treatment, and lecithin such as phospholipids derived from other natural products. These processes may be performed singly or a plurality of processes may be used to perform the mixing process and the overlapping process.
次に、本発明で用いられる分散剤は、両親媒性化合物であれば使用することができるが、特に近年は安全性の観点から天然由来成分である方がより好ましく、（Ａ）下記化学式（１）で示されるマンノースと糖アルコールと脂肪酸で構成される糖脂質であるマンノシルエリスリトールリピッド、または（Ｂ）下記化学式（２）で示されるアシル化アミノ酸塩とＬ−リジンもしくはＬ−グルタミンとの縮合物が挙げられる。
次に、本発明で用いられる分散助剤としては、高級アルコールが好ましく、１，３ブチレングリコール、グリセリン、ポリグリセリン、プロピレングリコール、ポリエチレングリコール、ポリプロピレングリコール等が挙げられる。中でも天然植物由来の高級アルコールが特に好ましく、１，３ブチレングリコールやプロピレングリコールが挙げられる。 Next, as the dispersion aid used in the present invention, higher alcohols are preferable, and examples thereof include 1,3 butylene glycol, glycerin, polyglycerin, propylene glycol, polyethylene glycol, and polypropylene glycol. Of these, higher alcohols derived from natural plants are particularly preferred, and examples thereof include 1,3 butylene glycol and propylene glycol.
本発明の水性ペーストには、その機能を妨げない程度に通常化粧料に用いられる各種添加剤を用いることができる。例えば、フェノキシエタノール、デヒドロ酢酸ナトリウム等の防腐剤や、パラメトキシケイ皮酸２−エチルへキシル、２−ヒドロキシ−４−メトキシベンゾフェノン等の紫外線吸収剤などが挙げられる。 In the aqueous paste of the present invention, various additives usually used in cosmetics can be used to the extent that the function is not hindered. Examples thereof include antiseptics such as phenoxyethanol and sodium dehydroacetate, and ultraviolet absorbers such as 2-ethylhexyl paramethoxycinnamate and 2-hydroxy-4-methoxybenzophenone.
次に、本発明において、連続強制的に分散加工することができる混合機として、二軸押出機が挙げられる。より具体的には、同方向回転スクリュー型、異方向回転スクリュー型、ピンスクリュー型、ニーダー型など種々の二軸押出機を使用することができるが、混合分散性と処理能力のバランスから同方向回転噛み合いスクリュー型の二軸押出機が最も好ましい。このような二軸押出機を用いて連続強制的に混合攪拌する場合、原料粉体はロスインウエイト式の定量フィーダーから押出機に供給し、水および分散剤、分散助剤は定量式ポンプから供給することで、押出機シリンダー内で混合分散させることができる。この時、スクリュー回転数は、１５０ｒｐｍ〜６００ｒｐｍが望ましい。この回転数が６００ｒｐｍよりも高すぎるとスクリュー軸が偏心する可能性が高く、金属摩擦による金属の汚染が懸念され、逆に回転数が１５０ｒｐｍよりも低すぎる場合は、混合能力が不足して十分な分散ペーストを得ることはできない。 Next, in this invention, a twin screw extruder is mentioned as a mixer which can carry out a dispersion | distribution process forcibly continuously. More specifically, various twin screw extruders such as the same direction rotary screw type, different direction rotary screw type, pin screw type and kneader type can be used. A rotating mesh screw type twin screw extruder is most preferred. When continuously forcibly mixing and stirring using such a twin-screw extruder, the raw material powder is supplied to the extruder from a loss-in-weight type quantitative feeder, and water, dispersant, and dispersion aid are supplied from a quantitative pump. By supplying, it can be mixed and dispersed in the extruder cylinder. At this time, the screw rotation speed is preferably 150 rpm to 600 rpm. If the rotational speed is higher than 600 rpm, there is a high possibility that the screw shaft is eccentric, and there is a concern about metal contamination due to metal friction. Conversely, if the rotational speed is too low, the mixing capacity is insufficient. Can not get a good dispersion paste.
このようにして得られた水性ペーストは、水中油型化粧料の水相に配合することが可能で、使用時の感触は良好で水系特有のさっぱりした感触も残る。さらに、疎水性粉体を使用することで、塗布時の耐水性も向上しラスティング性も向上する。 The aqueous paste thus obtained can be blended in the water phase of an oil-in-water cosmetic, has a good feel during use, and a refreshing feel peculiar to an aqueous system remains. Furthermore, by using hydrophobic powder, the water resistance during coating is improved and the lasting property is also improved.
次に、本発明による水性ペーストおよび化粧料のより具体的な実施例について以下に説明するが、本発明は以下の実施例に限定されるのもではない。 Next, although the more concrete Example of the aqueous paste and cosmetics by this invention is described below, this invention is not limited to a following example.
（実施例１）
ロスインウエイト式定量フィーダーに疎水性粉体として球状シリコーン樹脂（信越化学社製、ＫＳＰ−１００）投入し、配合組成６０質量％になるように同方向回転二軸押出機ＴＥＸ３０α（ＪＳＷ社製）に連続的に供給する。同時に分散剤としてマンノシルエリスリトールリピッド（東洋紡社製 サーフメロウ）０．６質量％、分散助剤として１，３ブチレングリコール（１，３−ＢＧ）５質量％、イオン交換水３４．４質量％の組成で混合液体を作製し、定量ポンプを介して同二軸押出機のシリンダー内へ同組成で連続的に供給する。スクリュー回転数６００ｒｐｍにて、全ての原料をシリンダー内で混合分散させ押出機先端部分から水性ペーストを得た。
Example 1
A spherical silicone resin (manufactured by Shin-Etsu Chemical Co., Ltd., KSP-100) is charged as a hydrophobic powder into a loss-in-weight type quantitative feeder, and a co-rotating twin-screw extruder TEX30α (manufactured by JSW Co., Ltd.) so as to have a composition of 60% by mass. To supply continuously. At the same time, the composition of mannosyl erythritol lipid (Surf Mellow manufactured by Toyobo Co., Ltd.) 0.6% by mass as a dispersing agent, 5% by mass of 1,3 butylene glycol (1,3-BG) as a dispersing aid, and 34.4% by mass of ion-exchanged water The mixed liquid is prepared by the above method, and continuously supplied with the same composition into the cylinder of the twin-screw extruder through the metering pump. All raw materials were mixed and dispersed in a cylinder at a screw rotation speed of 600 rpm to obtain an aqueous paste from the tip of the extruder.
（実施例２）
実施例１の分散剤をジラウロイルグルタミン酸リシン（旭化成ケミカルズ社製 ペリセアＬ−３０）２質量％、１，３ブチレングリコール５質量％、イオン交換水３３質量％の組成で混合した混合液体を用いた以外は、実施例１と同様の方法にて水性ペーストを作製した。
(Example 2)
A mixed liquid in which the dispersant of Example 1 was mixed with a composition of 2% by mass of dilauroyl glutamic acid lysine (Perisea L-30 manufactured by Asahi Kasei Chemicals Corporation), 5% by mass of 1,3 butylene glycol, and 33% by mass of ion-exchanged water was used. Except for the above, an aqueous paste was prepared in the same manner as in Example 1.
（実施例３）
実施例２の疎水性粉体として球状ポリ乳酸樹脂６０質量％を用いた以外は、実施例２と同様の方法にて水性ペーストを作製した。
(Example 3)
An aqueous paste was prepared in the same manner as in Example 2 except that 60% by mass of the spherical polylactic acid resin was used as the hydrophobic powder of Example 2.
（実施例４）
実施例２の二軸押出機のスクリュー回転数を１５０ｒｐｍにした以外は、実施例２と同様の方法にて水性ペーストを作製した。
Example 4
An aqueous paste was produced in the same manner as in Example 2 except that the screw rotation speed of the twin-screw extruder of Example 2 was changed to 150 rpm.
（比較例１）
実施例２の液体成分として、分散剤を使用せず分散助剤として１，３−ブチレングリコール５質量％、イオン交換水３５質量％のみを用いて、実施例１と同様の方法にて水性ペーストを作製した。
(Comparative Example 1)
As a liquid component of Example 2, an aqueous paste was used in the same manner as in Example 1 except that 5% by mass of 1,3-butylene glycol and 35% by mass of ion-exchanged water were used as a dispersion aid without using a dispersant. Was made.
（比較例２）
実施例２の液体成分として、分散助剤を使用せず分散剤としてジラウロイルグルタミン酸リシン（旭化成ケミカルズ社製 ペリセアＬ−３０）２質量％、イオン交換水３８質量％のみを用いて、実施例１と同様の方法にて水性ペーストを作製した。
(Comparative Example 2)
As the liquid component of Example 2, Example 1 was used by using only 2% by mass of dilauroyl glutamic acid lysine (Perisea L-30 manufactured by Asahi Kasei Chemicals Co., Ltd.) and 38% by mass of ion-exchanged water as a dispersant without using a dispersion aid. An aqueous paste was prepared in the same manner as described above.
（比較例３）
実施例２の二軸押出機のスクリュー回転数を１００ｒｐｍにした以外は、実施例２と同様の方法にて水性ペーストを作製した。
(Comparative Example 3)
An aqueous paste was produced in the same manner as in Example 2 except that the screw rotation speed of the twin-screw extruder of Example 2 was changed to 100 rpm.
上記のようにして得られた水性ペーストについて、分散直後の分散状態と２週間後の分離状態を確認した。さらに、各水性ペーストを１０％濃度で水中油型リキッドファンデーションの水相に添加し、化粧品安定性を評価した。この結果を表１に示す。 About the aqueous paste obtained as mentioned above, the dispersed state immediately after dispersion and the separated state after 2 weeks were confirmed. Furthermore, each aqueous paste was added to the aqueous phase of an oil-in-water liquid foundation at a concentration of 10% to evaluate cosmetic stability. The results are shown in Table 1.
上記のように、疎水性粉体、分散剤として両親媒性化合物、分散助剤として高級アルコールおよび水の組成にて二軸押出機を用いて強制連続的に分散加工することで、良好な水性ペーストを得ることができる。特に実施例１，２で示されたように、疎水性粉体として疎水性球状シリコーン樹脂を用い、分散剤としてマンノシルエリストールリピッドまたはジラウロイルグルタミン酸リシン、分散助剤として１，３−ブチレングリコールを用いた系では、２週間経過後も良好なペースト状であり優れた分散安定性を示した。なお比較例１，２のようにこれらの組成に不足が有る場合は、分散性が悪くなり良好な水性ペーストを得ることはできなかった。また、二軸押出機のスクリュー回転数が遅すぎる場合、比較例３のように分散初期では良好な分散性を示すが、経時安定性に劣るものとなった。 As described above, a hydrophobic powder, an amphiphilic compound as a dispersing agent, a higher alcohol as a dispersing aid and a water composition forcibly and continuously using a twin-screw extruder to achieve a good aqueous A paste can be obtained. In particular, as shown in Examples 1 and 2, a hydrophobic spherical silicone resin was used as the hydrophobic powder, mannosyl erystole lipid or dilauroyl glutamate lysine was used as a dispersant, and 1,3-butylene glycol was used as a dispersion aid. The system used was a good paste after 2 weeks and showed excellent dispersion stability. In addition, when there was a deficiency in these compositions as in Comparative Examples 1 and 2, the dispersibility deteriorated and a good aqueous paste could not be obtained. Further, when the screw rotation speed of the twin screw extruder was too slow, good dispersibility was exhibited at the initial stage of dispersion as in Comparative Example 3, but the stability over time was inferior.
以上のように、本発明の水性ペーストは良好な安定性を示し、化粧品に配合した際にも良好な特性を発揮させることができる。特に疎水性粉体を水中油型化粧料の水相へ配合するには、非常に有効な手段であると考えられる。 As described above, the aqueous paste of the present invention exhibits good stability, and can exhibit good characteristics even when blended in cosmetics. In particular, it is considered to be a very effective means for blending hydrophobic powder into the water phase of oil-in-water cosmetics.
本発明の水性ペーストは、水中油型化粧料に多く配合することが可能で、使用時の耐水性も高く使用感にも優れるという特性を有していることから、ファンデーション等の化粧料に配合するペーストとして好適に用いることができる。 The water-based paste of the present invention can be blended in many oil-in-water cosmetics, has high water resistance during use, and excellent usability, so it is blended in cosmetics such as foundations. The paste can be suitably used.
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| JP2014233473A (en) * | 2013-06-03 | 2014-12-15 | 株式会社ジェイ・エム・エス | Dialyzer |
| JP2015078243A (en) * | 2015-01-29 | 2015-04-23 | 旭化成ケミカルズ株式会社 | Powder dispersion aqueous cosmetic and production method thereof |
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|---|---|---|---|---|
| JPH10139624A (en) * | 1996-09-13 | 1998-05-26 | Shin Etsu Chem Co Ltd | Production of cosmetic |
| JP2004168975A (en) * | 2002-11-22 | 2004-06-17 | Asahi Kasei Chemicals Corp | Dispersant composition |
| WO2008129955A1 (en) * | 2007-04-13 | 2008-10-30 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Aqueous dispersion and aqueous cosmetic preparation |
| JP2011001312A (en) * | 2009-06-19 | 2011-01-06 | Toyobo Co Ltd | Composition comprising biosurfactant and polyhydric alcohol |
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| JPH10139624A (en) * | 1996-09-13 | 1998-05-26 | Shin Etsu Chem Co Ltd | Production of cosmetic |
| JP2004168975A (en) * | 2002-11-22 | 2004-06-17 | Asahi Kasei Chemicals Corp | Dispersant composition |
| WO2008129955A1 (en) * | 2007-04-13 | 2008-10-30 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Aqueous dispersion and aqueous cosmetic preparation |
| JP2011001312A (en) * | 2009-06-19 | 2011-01-06 | Toyobo Co Ltd | Composition comprising biosurfactant and polyhydric alcohol |
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| JP2014233473A (en) * | 2013-06-03 | 2014-12-15 | 株式会社ジェイ・エム・エス | Dialyzer |
| JP2015078243A (en) * | 2015-01-29 | 2015-04-23 | 旭化成ケミカルズ株式会社 | Powder dispersion aqueous cosmetic and production method thereof |
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