WO2002047640A1 - Cosmetique comprenant une fine poudre d'oxyde de zinc a electroconductivite - Google Patents

Cosmetique comprenant une fine poudre d'oxyde de zinc a electroconductivite Download PDF

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Publication number
WO2002047640A1
WO2002047640A1 PCT/JP2000/008783 JP0008783W WO0247640A1 WO 2002047640 A1 WO2002047640 A1 WO 2002047640A1 JP 0008783 W JP0008783 W JP 0008783W WO 0247640 A1 WO0247640 A1 WO 0247640A1
Authority
WO
WIPO (PCT)
Prior art keywords
zinc oxide
parts
cosmetic
conductive zinc
conductive
Prior art date
Application number
PCT/JP2000/008783
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuhiko Ikeda
Hisahiko Mine
Takao Tanaka
Original Assignee
Hakusui Tech Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP11169125A priority Critical patent/JP2001002529A/ja
Application filed by Hakusui Tech Co., Ltd. filed Critical Hakusui Tech Co., Ltd.
Priority to PCT/JP2000/008783 priority patent/WO2002047640A1/fr
Publication of WO2002047640A1 publication Critical patent/WO2002047640A1/fr

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Classifications

    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/27—Zinc; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants

Definitions

  • the present invention relates to a cosmetic which is excellent in ultraviolet absorbing ability and makeup, which is blended with conductive zinc oxide fine powder.
  • Makeup cosmetics such as foundations, lotions, emulsions, and creams and basic cosmetics have the aesthetic role of hiding the skin's skin, giving them the desired color, giving them an attractive appearance and making them look beautiful. It also has a protective role.
  • zinc oxide particles basically have excellent ultraviolet absorption ability, and some cosmetics or zinc oxyzinc compounds suitable for cosmetics in which this is blended as an ultraviolet absorber have been proposed.
  • Japanese Unexamined Patent Publication Nos. Hei 5-171, No. 29, No. Hei 5-2,468, No. 23, Japanese Unexamined Patent Publication No. Hei 5-212, No. 18, No. Hei 7-118, No. 33, No. No. 7-105358, Japanese Patent Application Laid-Open No. Hei 8-53358 Japanese Patent Application Laid-Open No. Hei 8-53358.
  • the present invention has been made in view of the above, and an object of the present invention is to provide a cosmetic composition that protects the skin from ultraviolet rays over a long period of time and has good makeup.
  • the specific surface area is 2 ⁇ 1 0 O m 2 Zg, of which characterized by being obtained by blending a conductive zinc oxide fine powder is less than a volume resistivity of 1 0 5 ⁇ ⁇ cm ⁇ Fees are provided.
  • the specific surface area is 2 ⁇ 1 0 O m 2 / g, more preferably 1 0 ⁇ : L 0 O m 2 gs more preferably 2 0 - 1 0 O m 2 / g of fine powder is desirable. If the specific surface area is much smaller than 2, although the performance such as the ultraviolet absorbing ability is not changed, the added cosmetic does not have transparency and is not suitable for the original purpose of the cosmetic, which is not preferable. Further, those having a specific surface area of more than 10 O m 2 / g are difficult to manufacture with the current technology, the manufacturing cost is high, and practical use is practically difficult.
  • the specific surface area in the present invention is a value measured by a known BET method. Incidentally, when these specific surface areas are converted into particle diameters, they are 0.01 to 0.5 zm, preferably It is about 0.01 to 0.1 m.
  • the conductivity of a conductive zinc oxide used in the present invention less or less body volume resistivity 10 5 ⁇ ⁇ cm, preferably 500 Omega ⁇ cm or less, rather more preferably it is below 100 Omega ⁇ cm is there.
  • the lower limit of the volume resistivity is preferably lower, but the range in which the production is actually easy is about 10 to 500 ⁇ ⁇ cm.
  • the volume resistivity of the conductive zinc oxide is a value measured by a tester by placing 10 g of a sample in a cylinder having an inner diameter of 25 mm and having an inner surface treated with a fluororesin, applying a pressure of l O Okg / cm 2 , and using a tester. cm).
  • the conductive zinc oxide used in the present invention contains A 13+ , B 3+ ,
  • n 3+ s Ti 4 Sn 4+ or the like is doped to impart conductivity.
  • aluminum is most preferable as the dopant (conductivity-imparting component) in terms of doping performance and cost.
  • the Not specific surface area is particularly limited 2 to 100 m 2 / g, a volume resistivity of 10 5 ⁇ ⁇ cm or less, preferably 500 Omega ⁇ cm Basically, any method can be used as long as the following conductive zinc oxide fine powder can be obtained, but the following method is most preferable from the viewpoint of easy implementation.
  • the zinc oxide used as a starting material is the France method, in which zinc is melted and evaporated and oxidized in the gas phase, the zinc ore is calcined, coke reduced, and oxidized, and the zinc oxide is dissolved in zinc salt solution. Any of a wet method of precipitating zinc carbonate, drying and calcining may be used, but the specific surface area is preferably in the above range.
  • the zinc oxide fine particles produced by these general production methods are used in an aqueous solution containing an ammonium salt such as ammonium carbonate and a water-soluble salt of aluminum or titanium, as disclosed in, for example, Japanese Patent Publication No. 62-41171.
  • the resulting cake is washed with water and dried, and then reduced and fired in a reducing atmosphere such as hydrogen at a temperature of about 400 to 1,000 ° C for about 0.2 to 3 hours.
  • the zinc oxide crystal lattice is sufficiently doped with Al 3+ , B 3 In 3+ or Ti 4+ , Surface area 2 ⁇ 1 0 0 m 2, g, a volume resistivity of 1 0 5 ⁇ ⁇ cm or less, preferably 5 0 0 ⁇ cm electroconductive zinc oxide powder or less is obtained.
  • the particle shape of the conductive zinc oxide fine powder to be used may be any of spherical, scale-like, flake-like, plate-like, crushed, irregular, plate-like, and needle-like.
  • the cosmetic of the present invention is not particularly limited, and any cosmetic may be used for the purpose of protecting the skin from ultraviolet rays.
  • basic cosmetics for conditioning the skin base makeup and point makeup Makeup cosmetics used in cosmetics are particularly preferred.
  • Specific examples include white powder, foundation, prest powder, lipstick, lipstick, eyeshadow, sun oil, sunburn cream, loose powder, milky lotion, and lotion.
  • the components of the cosmetic in which the conductive zinc oxide fine powder of the present invention is blended include the components blended in ordinary cosmetics, for example, a base component generally used in cosmetics, and a general drug effect imparting component (for example, humectants, anti-inflammatory agents, blood circulation promoters, etc.), oils, pigments, fragrances and the like are used.
  • a base component generally used in cosmetics
  • a general drug effect imparting component For example, humectants, anti-inflammatory agents, blood circulation promoters, etc.
  • oils, pigments, fragrances and the like are used.
  • -Organic and inorganic fillers and pigments such as polyamide powder; lanolin, dicerin, paraffin, wax, carnauba wax, candelilla wax, ceresin, 1,3-butylene glycol, lauryl alcohol, stearic acid, lauric acid, cetyl Solid or semi-solid oils such as alcohol; orip oil, jojoba oil, oleic acid, oleyl alcohol, isohexadecyl alcohol, dimethylpolysiloxane, liquid paraffin, squalene, octyldodecyl myristate, neopentyl glycol diisoxate Liquid oils such as styrene and squalane; water-soluble polymers such as methylcellulose, carboxymethylcellulose, hydroxymethylcellulose, xanthan gum, dextrin, gelatin, and sodium alginate; Phosphoric acid esters, polyoxyethylene monostearate sorbitan tail, triethanolamine
  • Surfactants such as fatty acid esters and benzyltrimethylammonium chloride; humectants such as sorbitol, mannitol, glycerin, lactic acid, beevine, sodium hyaluronate and propylene glycol, other preservatives, and fragrances , PH regulators, various amino acids, bactericides, antioxidants and the like.
  • the proportion of conductive zinc oxide in cosmetics cannot be determined unconditionally because it differs depending on the type and properties of the cosmetic used, but it cannot be applied to the skin except for volatile components such as water and alcohol. It is desirable to contain at least 3% (% by mass, the same applies hereinafter) of the residual component mass.
  • the mixing ratio is more preferably 10% to 80%, further preferably 15 to 65%, and most preferably 15 to 50%. If the blending ratio is less than 3%, the combined use of other ultraviolet absorbers (ultraviolet ray shielding agents), even if the ultraviolet absorption ability can be maintained, basically the infrared absorption prevention ability is insufficient. is there. On the other hand, if used in a cosmetic in an excessive amount, the feeling of use becomes worse.
  • the conductive zinc oxide of the present invention does not cause any problem when used in combination with another ultraviolet absorber as described above.
  • other ultraviolet absorbers include inorganic compounds such as titanium oxide, cerium oxide, and iron oxide; organic compounds such as benzophenone-based ultraviolet absorbers, benzimidazole-based ultraviolet absorbers, and benzotriazole-based ultraviolet absorbers. Compounds.
  • conductive zinc oxide one having a specific surface area of 10 m 2 , g and a volume resistivity of 90 ⁇ ⁇ cm (manufactured by Huxitech: conductive zinc oxide 23-K) was used.
  • the powder components of 50 parts of conductive zinc oxide, 10 parts of talc, 10 parts of my strength, 1 part of red iron oxide, 3 parts of iron yellow oxide, 0.2 parts of black iron oxide and 10 parts of polyamide powder are mixed by a mixer. A mixed powder was obtained.
  • a powdery foundation was used in the same manner as in Example 1 except that zinc oxide used had a specific surface area of 1 Om 2 / g and a volume resistivity of 100 M ⁇ ⁇ cm (manufactured by Huxitech Co., Ltd .: zinc oxide super 10). Was manufactured.
  • the content of zinc oxide in the foundation was 50% by mass as a residual component on the skin excluding volatile components.
  • conductive zinc oxide one having a specific surface area of 1 Om 2 / g and a volume resistivity of 90 ⁇ ⁇ cm (manufactured by Huxitech: conductive zinc oxide 23-K) was used.
  • Powder component of 32 parts of conductive zinc oxide, 15 parts of talc, 16 parts of my strength, 1 part of bengara, 2.8 parts of iron yellow oxide, 0.2 parts of black iron oxide and 15 parts of polyamide powder in a mixer The mixture was mixed to obtain a mixed powder.
  • Example 2 The same procedure as in Example 2 was carried out except that the specific surface area was 1 Om 2 / g, and the volume resistivity was 10 ⁇ 'cm (manufactured by Huxitech Co., Ltd .: zinc oxide super 10 (SUPER-10)).
  • the specific surface area was 1 Om 2 / g
  • the volume resistivity was 10 ⁇ 'cm (manufactured by Huxitech Co., Ltd .: zinc oxide super 10 (SUPER-10)).
  • SUPER-10 zinc oxide super 10
  • conductive zinc oxide one having a specific surface area of 1 Om 2 / g and a volume resistivity of 90 ⁇ ⁇ cm (manufactured by Huxitech: conductive zinc oxide 23-K) was used.
  • propylene glycol in which bentonite was dispersed was first added to purified water, followed by stirring and mixing, and then triethanolamine and polyoxyethylene sorbitan monostearate were further added and mixed.
  • mixed powder obtained by mixing conductive zinc oxide, red iron oxide, yellow iron oxide, and black iron oxide with a mixer was added, and the mixture was treated by a homomixer.
  • glycerin monostearate, liquid paraffin, lanolin, stearic acid, and isohexadecyl alcohol were added, and the mixture was treated with a homogenizer. Finally, an appropriate amount of flavor was added, and the mixture was sufficiently stirred and mixed to produce a 0 / W emulsified foundation.
  • the amount of the conductive zinc oxide in the 0 / W emulsified foundation was 22% by mass as a residual component on the skin excluding volatile components.
  • Example 3 Except using zinc oxide having a specific surface area of 1 Om 2 Zg and a volume resistivity of 10 ⁇ cm (manufactured by Haku Sittech Co., Ltd .: zinc oxide super 10-10).
  • a 0 / W emulsion type foundation was produced.
  • the amount of zinc oxide in the 0 / W emulsion-type foundation was 22% by mass as a residual component on the skin excluding volatile components.
  • Conductive zinc oxide (specific surface area: 25 m 2 / g, volume resistivity: 40 ⁇ cm) was used as zinc oxide.
  • This conductive zinc oxide was produced as follows. That is, 30 g of reagent primary ammonium carbonate was dissolved in 500 cc of water, and another solution of 5 g of aluminum sulfate dissolved in 50 cc of water was put into the above ammonium carbonate solution. This solution was separately placed in a dispersion prepared by dispersing 100 g of Zinc flower in the French method in 200 cc of water, heated to 60 ° C and stirred, and after 1 hour, filtered and washed with water, and the cake was dried. Thereafter, firing was performed at 760 ° C. for 120 minutes in a hydrogen atmosphere to obtain conductive zinc oxide. It was confirmed that the obtained conductive zinc oxide had a specific surface area of 25 m 2 / g and a volume resistivity of 40 ⁇ ⁇ cm.
  • Makeup is performed in the same manner as in Example 4 except that zinc oxide has a specific surface area of 3 Om 2 / g and a volume resistivity of 100 ⁇ ⁇ cm (manufactured by Haxis Tech Co., Ltd .: zinc oxide super 30). Water was produced. The amount of zinc oxide in the lotion is It was 22% by mass as a residual component on the skin excluding volatile components.
  • conductive zinc oxide having a specific surface area of 18 m 2 / g and a volume resistivity of 120 ⁇ ⁇ cm was used.
  • This conductive zinc oxide was manufactured as follows. That is, 30 g of reagent primary ammonium carbonate was dissolved in 500 cc of water, and a solution of 5 g of aluminum sulfate dissolved in 50 cc of water was added to the above ammonium carbonate solution. This solution was separately placed in a dispersion prepared by dispersing 100 g of French Zinc Flower in 200 cc of water, heated to 60 ° C and stirred, filtered for 1 hour, washed with water, dried, and dried. Calcination was performed at 780 ° C for 60 minutes in a hydrogen atmosphere to obtain conductive zinc oxide. It was confirmed that the obtained conductive zinc oxide had a specific surface area of 18 m 2 / g and a volume resistivity of 120 ⁇ ⁇ cm.
  • propylene glycol and conductive zinc oxide are added to purified water, and mixed at 70 ° C with heat. After heating and dissolving liquid paraffin, lanolin, squalane, silicone oil and bead wax, add sorbic acid sesquioleate and monooleic acid polyoxyethylene sorbic acid (20E.0.) And adjust to 70 ° C. Purified water containing ethanol and conductive zinc oxide was gradually added and emulsified to produce an emulsion. The content of conductive zinc oxide in the emulsion was 20% by mass as a residual component on the skin excluding volatile components.
  • the specific surface area was 3 Om 2 / g and the volume resistivity was 10 10 ⁇ ⁇ cm (Zinc Oxide: Zinc Oxide Super 30). Except for this, an emulsion was prepared in the same manner as in Example 4. The content of zinc oxide in the emulsion was 20% by mass as a residual component on the skin excluding volatile components.
  • conductive zinc oxide one having a specific surface area of 1 Om 2 / g and a volume resistivity of 90 ⁇ ⁇ cm (manufactured by Huxitech: conductive zinc oxide 23-K) was used.
  • the oil consisting of propylene glycol monostearate, ceanol, lanolin, silicone oil, cetyl octanoate, stearic acid, squalane, and microcrisine linux was heated and stirred at 70 ° C.
  • the conductive zinc oxide was stirred and mixed, the temperature was adjusted to 70 ° C., and the heated and mixed oil was added and emulsified with a homomixer to produce a cream.
  • the content of the conductive zinc oxide in the cream was 18% by mass as a residual component on the skin excluding volatile components.
  • Example 6 The same procedure as in Example 6 was carried out except that the specific surface area was 1 Om 2 / g and the volume resistivity was 10 10 ⁇ ⁇ cm (Haztec: zinc oxide super 10 (SUPER-10)). An emulsion was made. The content of zinc oxide in the cream was 18% by mass as a residual component on the skin excluding volatile components.
  • Example and Comparative Example produced in (I) Using the various cosmetics of Example and Comparative Example produced in (I), the ultraviolet impermeability and infrared impermeability as well as the makeup stickiness and hot flash were measured.
  • the transmittance at each wavelength in Table 1 there is almost no difference in the transmittance in the visible region between the example and the comparative example in all the examples, but the examples in the ultraviolet and infrared regions are different. In each case, the transmittance is lower than that of the comparative example, and it can be seen that the ultraviolet ray preventing effect and the infrared ray preventing effect are larger than those of the comparative example.
  • the conductive zinc oxide of the present invention which has good cosmetic durability and little hot flash, is used for cosmetics in all examples, although the degree varies. The effect of blending was confirmed.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
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  • Chemical & Material Sciences (AREA)
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Abstract

L'invention concerne un cosmétique caractérisé en ce qu'il contient une fine poudre d'oxyde de zinc à électroconductivité dont la surface spécifique est comprise entre 2 et 100 m2/g et dont la résistivité volumique est de 205 Ω • cm au maximum. Le cosmétique protège la peau contre les rayons ultraviolets et a un effet à durée prolongée.
PCT/JP2000/008783 1999-06-16 2000-12-13 Cosmetique comprenant une fine poudre d'oxyde de zinc a electroconductivite WO2002047640A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11169125A JP2001002529A (ja) 1999-06-16 1999-06-16 導電性酸化亜鉛微粉末を配合した化粧料
PCT/JP2000/008783 WO2002047640A1 (fr) 1999-06-16 2000-12-13 Cosmetique comprenant une fine poudre d'oxyde de zinc a electroconductivite

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11169125A JP2001002529A (ja) 1999-06-16 1999-06-16 導電性酸化亜鉛微粉末を配合した化粧料
PCT/JP2000/008783 WO2002047640A1 (fr) 1999-06-16 2000-12-13 Cosmetique comprenant une fine poudre d'oxyde de zinc a electroconductivite

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WO2002047640A1 true WO2002047640A1 (fr) 2002-06-20

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001002529A (ja) * 1999-06-16 2001-01-09 Hakusui Tech Co Ltd 導電性酸化亜鉛微粉末を配合した化粧料
JP2005162695A (ja) * 2003-12-04 2005-06-23 Lion Corp 赤外線遮断物質含有化粧料
JP2013193960A (ja) * 2012-03-16 2013-09-30 Goshu Yakuhin Kk ハンドクリーム
JP2018514509A (ja) 2015-03-24 2018-06-07 ランダ ラブス（２０１２）リミテッド Ｕｖ防御組成物およびそれらの使用

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241171B2 (fr) * 1982-03-17 1987-09-01 Hakusui Chem Ind
JPH01153769A (ja) * 1987-12-11 1989-06-15 Hakusui Chem Ind Ltd 酸化亜鉛系透明導電膜形成組成物
JPH0672821A (ja) * 1992-06-30 1994-03-15 Sumitomo Chem Co Ltd 化粧料
JPH0680421A (ja) * 1992-06-30 1994-03-22 Sumitomo Chem Co Ltd 薄片状酸化亜鉛粉末及びその製造方法
JPH08253317A (ja) * 1994-12-13 1996-10-01 Nippon Shokubai Co Ltd 酸化亜鉛系微粒子、その製造方法及び用途
JP2001002529A (ja) * 1999-06-16 2001-01-09 Hakusui Tech Co Ltd 導電性酸化亜鉛微粉末を配合した化粧料

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241171B2 (fr) * 1982-03-17 1987-09-01 Hakusui Chem Ind
JPH01153769A (ja) * 1987-12-11 1989-06-15 Hakusui Chem Ind Ltd 酸化亜鉛系透明導電膜形成組成物
JPH0672821A (ja) * 1992-06-30 1994-03-15 Sumitomo Chem Co Ltd 化粧料
JPH0680421A (ja) * 1992-06-30 1994-03-22 Sumitomo Chem Co Ltd 薄片状酸化亜鉛粉末及びその製造方法
JPH08253317A (ja) * 1994-12-13 1996-10-01 Nippon Shokubai Co Ltd 酸化亜鉛系微粒子、その製造方法及び用途
JP2001002529A (ja) * 1999-06-16 2001-01-09 Hakusui Tech Co Ltd 導電性酸化亜鉛微粉末を配合した化粧料

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