WO2003022954A1 - Procédé de production de matériau absorbant les ultraviolets - Google Patents

Procédé de production de matériau absorbant les ultraviolets Download PDF

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Publication number
WO2003022954A1
WO2003022954A1 PCT/JP2002/009190 JP0209190W WO03022954A1 WO 2003022954 A1 WO2003022954 A1 WO 2003022954A1 JP 0209190 W JP0209190 W JP 0209190W WO 03022954 A1 WO03022954 A1 WO 03022954A1
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Prior art keywords
solid solution
mol
ultraviolet
metal
oxide
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PCT/JP2002/009190
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English (en)
Japanese (ja)
Inventor
Hideomi Koinuma
Masashi Kawasaki
Tomoaki Fukumura
Yasuhiro Yamada
Junichi Miyawaki
Tsutomu Saito
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Japan Represented By President Of Tokyo Institute Of Technology
Fujikasei Co., Ltd.
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Priority to JP2003527019A priority Critical patent/JPWO2003022954A1/ja
Publication of WO2003022954A1 publication Critical patent/WO2003022954A1/fr

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    • 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
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00—Compounds of cadmium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/003—Titanates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G45/00—Compounds of manganese
    • C01G45/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0063—Mixed oxides or hydroxides containing zinc
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C01G9/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/04—Compounds of zinc
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases

Definitions

  • the present invention relates to a method for producing an ultraviolet absorbing material.
  • the sun's rays that reach the earth are divided into infrared, visible, and ultraviolet rays according to the wavelength range, and the ultraviolet rays are A ultraviolet rays in the wavelength range of 320 to 400 nm and 280 to 32 It is divided into B ultraviolet light in the wavelength region of 0 nm and C ultraviolet light in the wavelength region of 200 to 280 nm.
  • the ultraviolet rays contained in the sun's rays those in the wavelength region of less than 290 nm do not reach the earth because they are scattered by the ozone layer, but in recent years the destruction of the ozone layer has progressed.
  • A, B, and C ultraviolet rays tend to increase, and C ultraviolet rays must be considered. In outer space, of course, there is a possibility of exposure to UV radiation.
  • the ultraviolet light is a short-wavelength, high-energy light beam, and is said to cause inflammation and cause skin cancer when irradiated on the skin. Therefore, in order to prevent the skin from being irradiated with ultraviolet rays, various ultraviolet ray protection compositions in which an ultraviolet ray absorbing substance is blended with a cosmetic or the like have been proposed.
  • the ultraviolet-absorbing substance has a bandgap energy corresponding to the wavelength of the ultraviolet ray based on the atomic structure unique to the substance.
  • the band gap energy Eg and the wavelength a of the ultraviolet ray are as follows. It is known that there is a relationship of equation (1).
  • the ultraviolet protection composition generally includes both a substance that absorbs ultraviolet light in the A ultraviolet region and a substance that absorbs ultraviolet light in the B ultraviolet region.
  • Zinc oxide is commonly used as a substance that absorbs ultraviolet light in the A ultraviolet region
  • titanium oxide is commonly used as a material that absorbs ultraviolet light in the B ultraviolet region.
  • Japanese Unexamined Patent Publication No. 2000-29023 discloses an ultraviolet absorbing material in which the surface of a zinc oxide powder is coated with titanium oxide, and the ultraviolet absorbing material. Cosmetics are disclosed.
  • the zinc oxide has a band gap energy of 3.3 eV, and absorbs ultraviolet rays having a wavelength of 375.7 nm corresponding to the band gap energy by direct transition.
  • the band gap energy of the titanium oxide is 3.03 eV in the case of a rutile type, and the wavelength corresponding to the band gap energy is 409.2 nm.
  • the titanium oxide absorbs ultraviolet rays by indirect transition, it absorbs ultraviolet rays from around 320 nm on the wavelength side lower than 409.2 nm to around the visible region.
  • ultraviolet light in the A ultraviolet region can be absorbed by zinc oxide
  • ultraviolet light in the B ultraviolet region can be absorbed by titanium oxide.
  • An object of the present invention is to provide a method for producing an ultraviolet absorbing material capable of absorbing ultraviolet light having an arbitrary wavelength while solving such disadvantages.
  • the method for producing an ultraviolet absorbing material of the present invention is characterized in that zinc oxide has at least one metal selected from the group consisting of cobalt, iron, magnesium, manganese, scandium, cadmium, and titanium.
  • one metal at least selected from the group zinc oxide in a molar ratio of said range M e x Z n!
  • a solid solution represented by _ x O (Me is a metal) is obtained.
  • the band gap energy of the obtained solid solution can be reduced. It can be changed within the range of 3.0 to 5.6 eV.
  • the band gap energy of the obtained solid solution is very close to the band gap energy of zinc oxide, and does not change significantly.
  • the band gap energy of the obtained solid solution becomes extremely close to the band gap energy of the metal oxide dissolved in zinc oxide. Does not change significantly.
  • the ultraviolet light having an arbitrary wavelength corresponding to the band gap energy within the above range is selected.
  • a solid solution as an ultraviolet absorbing material that absorbs ultraviolet light of a specific wavelength by performing the above-described method.
  • the production method of the present invention It can be used to obtain UV-absorbing substances that absorb UV light that can damage certain genes.
  • the solid solution includes, for example, a hydroxide obtained by co-precipitating a zinc salt and a salt of at least one metal selected from the group in an alkaline solution; It can be produced by firing at a temperature in the range of 0. If the sintering temperature is less than 10 ot :, the solid solution may not be obtained from the hydroxide. If the sintering temperature is more than 10 000, the crystals of the solid solution undergo grain growth and the crystal grains become coarse.
  • the hydroxide is treated with an oxidizing agent to form a peroxide, and then calcined, so that the obtained solid solution is fine particles having an average particle diameter in the range of 20 to 30 nm. it can.
  • the oxide for example, M 2 S 2 0 8, M 2 C 2 0 6, MB 0 3, M 2 O 2 ( both M is NH 4, K, N a, any one of H) , CO (NH 2) can include at least one compound selected from 2 ⁇ H 2 ⁇ 2 made of the group.
  • the solid solution may be produced by a laser vapor deposition method targeting a mixture of zinc oxide and at least one metal oxide selected from the group. According to the laser vapor deposition method, the solid solution in the form of a film (thin film) can be obtained.
  • FIG. 1 shows the dough in the solid solution obtained by the production methods of Examples 1 to 4 of the present invention.
  • 4 is a graph showing the relationship between metal concentration and band gap energy.
  • FIG. 2 is a graph showing the relationship between the concentration of the dope metal in the solid solution obtained by the production methods of Examples 1 to 4 of the present invention and the wavelength of ultraviolet light absorbed.
  • FIG. 3 is a graph showing the relationship between the concentration of the doped metal in the solid solution obtained by the production method of Example 5 of the present invention and the band gap energy.
  • FIG. 4 is a graph showing the relationship between the concentration of the doped metal in the solid solution obtained by the production method of Example 6 of the present invention and the band gap energy.
  • FIG. 5 is a graph showing the relationship between the concentration of the dopant metal in the solid solution obtained by the production method of Example 7 of the present invention and the band gap energy.
  • FIG. 6 is a graph showing the relationship between the concentration of the doped metal in the solid solution obtained by the production method of Example 8 of the present invention and the band gap energy.
  • FIG. 7 is a graph showing the relationship between the concentration of the doped metal in the solid solution obtained by the production method of Example 9 of the present invention and the band gap energy.
  • the production method according to the first aspect of the present embodiment is based on co-precipitation of a hydroxide, and comprises a zinc salt aqueous solution having a predetermined concentration and cobalt, iron, magnesium, manganese, scandium, cadmium, and titanium.
  • An aqueous solution of a salt of at least one metal selected from the group is prepared.
  • the zinc salt for example, zinc chloride can be used, and as the metal salt, for example, the metal chloride can be used.
  • the concentration of each aqueous solution is, for example, 1 mol 1.
  • the aqueous metal salt solution was gradually added dropwise to the aqueous zinc salt solution, whereby zinc hydroxide and the metal hydroxide were added. Is coprecipitated with the hydroxide.
  • the dropping rate of the aqueous metal salt solution is preferably 0.1 to 100 m 1 Z minutes in order to co-precipitate zinc hydroxide and the hydroxide of the metal.
  • the solid solution is obtained by changing the amount of the aqueous metal salt solution dropped into the aqueous zinc salt solution such that the molar ratio of the aqueous metal salt solution to the aqueous zinc salt solution is in the range of 99: 1 to 1:99.
  • the concentration of the doped metal can be adjusted in the range of 0.01 to 0.99 mol%.
  • the solid solution can be controlled so that the band gap energy becomes an arbitrary value within a range of 3.0 to 5.6 eV, and the band gap energy is controlled in a wavelength range of 220 to 400 nm. It is possible to produce a solid solution that absorbs ultraviolet light having a wavelength corresponding to the band gap energy within the range.
  • the mixture of the zinc hydroxide and the metal hydroxide is treated with an oxidizing agent before firing to form a peroxide, whereby the obtained solid solution is converted into fine particles, Can be made transparent to visible light when incorporated into cosmetics and the like.
  • the oxidizing agent for example, M 2 S 2 ⁇ 8, M 2 C 2 O 6 , MB 0 3, M 2 O 2 ( both M is NH 4, K, N a, any one of H ), CO ( ⁇ 2) 2 ⁇ ⁇ 2 0 2 force, it is possible to use at least one compound selected from Ranaru group, also the treatment with an oxidizing agent, the zinc hydroxide and the metal
  • the reaction can be carried out by refluxing a mixture with a hydroxide in an aqueous solution of the oxidizing agent. The reflux is performed, for example, at a temperature of 80 for about 5 hours.
  • the manufacturing method according to the second aspect of the present embodiment is based on a laser evaporation method.
  • zinc oxide is mixed with an oxide of at least one metal selected from the group consisting of cobalt, iron, magnesium, manganese, scandium, cadmium, and titanium. Is prepared in the range of 99: 1 to 1:99.
  • the mixture is calcined at a temperature in the range of 300 to 500, and then sintered at a temperature in the range of 700 to 1000 to obtain a sintered product.
  • the solid solution is obtained by changing a mixing ratio of the zinc oxide and the metal oxide in the target at a molar ratio in a range of 99 ::! To 1:99.
  • the metal concentration can be adjusted in the range of 0.01 to 0.99 mol%.
  • the solid solution can be controlled so that the band gap energy becomes an arbitrary value within the range of 3.0 to 5.6 eV, and the wavelength of 220 to 400 nm is controlled. In the region, a solid solution that absorbs ultraviolet light having a wavelength corresponding to the band gap energy within the above range can be produced.
  • a drop amount of the M g C 1 2 ⁇ 6 H 2 0 solution is de one flop metal concentration, 1 mol%, 1 0 mol%, 1 5 mole%, 2 0 moles %, 30 mol%, and 99 mol% of six kinds of solid solution powders were obtained.
  • the average particle diameter of the solid solution powder was 30 to 50 nm.
  • the band gap energies of the six types of solid solutions were measured.
  • the band gap energy was measured by attaching a diffuse reflection unit to an ultraviolet Z-visible spectrophotometer (manufactured by Shimadzu Corporation, trade name: UV 2450), and using a tungsten light source at room temperature (25) using a tungsten light source.
  • the diffused light was scanned from the long wavelength side to measure the diffuse reflection spectrum of the solid solution powder, and the band gap energy was determined from the intersection of the position of the absorption coefficient 0.5 and the diffuse reflection spectrum.
  • the wavelengths of the ultraviolet rays absorbed by the six types of solid solutions were calculated by the above equation (1).
  • Table 1 shows the results.
  • Fig. 1 shows the relationship between the concentration of the doped metal and the band gap energy
  • Fig. 2 shows the relationship between the concentration of the doped metal and the absorption wavelength of ultraviolet light.
  • the zinc hydroxide and magnesium hydroxide Peroxide further by firing at a temperature of 3 0 0, to obtain a solid solution represented by Mgx Z ii i- x O magnesium zinc oxide is doped
  • the K 2 a method of processing by S 2 0 8 by variable a dropping amount of the ⁇ g C l 2 '6 H 2 0 solution, doped metal concentration is 1 mol%, 1 0 mol%, 1 5 mol%, Five types of solid solutions of 20 mol% and 30 mol% were obtained.
  • the average particle diameter of the solid solution is a 2 0 to 3 0 nm, were K 2 S 2 0 8 and fired without processing by atomization markedly compared to the particles of the solid solution.
  • doped metal concentration is 1 mol%, 1 0 mol %, 15 mol%, 20 mol%, and 30 mol%.
  • the average particle size of the solid solution was 20 to 30 nm, and the particles were remarkably atomized as compared with the solid solution particles fired without being treated with H 2 O 2 .
  • the concentration of the doped metal was 1 mol, exactly as in Example 1, except that the mixture of zinc hydroxide and magnesium hydroxide was calcined at 1000 without treatment with an oxidizing agent. %, 10 mol%, 15 mol%, 20 mol%, 30 mol%, and 99 mol% of six kinds of solid solution powders were obtained.
  • the band gap energies of the six types of solid solution powders were the same as in Example 1. And measured at room temperature (25 :). Then, the wavelengths of the ultraviolet rays absorbed by the six types of solid solutions were calculated from the band gap energy according to the formula (1). Table 1 shows the results. Figure 1 shows the relationship between the doped metal concentration and the band gap energy, and Figure 2 shows the relationship between the doped metal concentration and the ultraviolet absorption wavelength.
  • zinc oxide (Zn ⁇ ) and magnesium oxide (MgO) were milled and mixed, and the resulting mixture was calcined at a temperature of 300 to 500, and further calcined. Sintering was performed at a temperature of 0 to obtain a sintered product.
  • the substrate was placed in a vacuum chamber, and the sintered product was arranged at an interval of 4 cm from the substrate.
  • the doping metal concentration was changed to 3 mol%, 7 mol%, 14 mol%, and 19 mol% by changing the mixing ratio of ZnO and MgO in the above-mentioned target. , 33 mol% of 5 kinds of solid solutions were obtained.
  • the band gap energy was measured at room temperature (25) by measuring the transmission spectrum of the solid solution film with an ultraviolet / visible spectrophotometer, and the intensity of transmitted light I and the intensity of incident light I were measured. From the film thickness d, the absorption coefficient H was determined according to the following equation (2).
  • the wavelengths of the ultraviolet rays absorbed by the five types of solid solutions were calculated by the above formula (1).
  • Table 1 shows the results.
  • Fig. 1 shows the relationship between the doping metal concentration and the bandgap energy
  • Fig. 2 shows the relationship between the doping metal concentration and the ultraviolet absorption wavelength.
  • the band gap energy of the obtained solid solution is changed by changing the type of the doping metal for zinc oxide and the concentration of the doping metal to 3. It is clear that it can be varied in the range of 15.6 eV. Also, from Table 1 and FIG. 2, according to the manufacturing method of the present embodiment, by changing the type of the doping metal with respect to zinc oxide and the doping metal concentration, the range of the band gap energy can be obtained. It is clear that a solid solution as an ultraviolet absorbing material that absorbs ultraviolet light of any wavelength within a wide range of 100 nm can be obtained.
  • Example 5 In this embodiment, in place of the magnesium oxide (M g O), oxidized scandium ⁇ beam S c 2 0 3) except for using, in the same manner as in Example 3 the insufflator Aia on the substrate S c x Z The solid solution represented by ni was laser-deposited to obtain a film (thin film) of the solid solution.
  • variable mixing ratio of the Z n O and S c 2 0 3 in the mixture is de one flop metal concentration, 1.3 mol%, 2.6 mol% 4.2 mol%
  • Nine kinds of solid solutions of 6.2 mol%, 7.7 mol%, 12.7 mol%, 28.4 mol%, 32.0 mol% and 43.6 mol% were obtained.
  • the band gap energies of the nine solid solutions were measured at room temperature (25) in the same manner as in Example 3. The results are shown in Figure 3.
  • T ix the Safuai ⁇ on the substrate in exactly the same manner as in Example 3 Z ri i-
  • the solid solution represented by xO was laser-deposited to obtain a film (thin film) of the solid solution.
  • doped metal concentration is 1.6 mol%, 4.7 mol%, 6.3 mol%.
  • Nine kinds of solid solutions of 8.6 mol%, 15.8 mol%, 18.7 mol%, 3.5.0 mol%, 35.6 mol%, and 42.5 mol% were obtained.
  • the band gap energies of the nine kinds of solid solutions were measured at room temperature (at 25) in the same manner as in Example 3.
  • Fig. 4 shows the results.
  • the solid solution represented by n E x 0 is the laser evaporation to yield of the solid solution film (thin film).
  • doped metal concentration is 1.5 mol%, 3.0 mol% 4.2 mol%, 5
  • the band gap energies of the nine types of solid solutions were measured at room temperature (25 t :) in the same manner as in Example 3.
  • Fig. 5 shows the results.
  • the band gap of the obtained solid solution was obtained by changing the type of the doped metal with respect to zinc oxide and the concentration of the doped metal. It is clear that the energy can be varied in the range 3.3 to 5.6 eV. Therefore, according to the manufacturing method of Examples 5 to 9 of the present embodiment, as in the case of Examples 1 to 4, the range of 22 1 to 3776 nm corresponding to the band gap energy range is used. It is clear that a UV-absorbing substance that absorbs UV light of an arbitrary wavelength can be obtained by the above method. Industrial applicability
  • This invention can be utilized for manufacture of the ultraviolet-absorbing substance which prevents irradiation of ultraviolet rays to skin by mix

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Abstract

L'invention concerne un procédé de production d'un matériau absorbant les ultraviolet, qui consiste à former une solution solide d'oxyde de zinc avec un oxyde d'au moins un métal choisi dans le groupe cobalt, fer, magnésium, manganèse, scandium, cadmium et titane dans un rapport molaire de 99:1 à 1:99. De préférence, la solution solide est produite suivant un procédé qui consiste à co-précipiter un sel de zinc et un sel d'au moins un métal choisi dans le groupe précité à partir d'une solution alcaline en vue de préparer un hydroxyde co-précipité, et à procéder à la cuisson de l'hydroxyde à une température allant de 100 à 1000 °C. De préférence encore, l'hydroxyde est traité avec au moins un agent oxydant choisi dans le groupe M2S2O8, M2C2O6, MBO3, M2O2, M représentant l'un ou l'autre de NH4, K, Na et H, et CO (NH2)2 . H2O2, pour le convertir en un peroxyde, puis on procède à sa cuisson. Dans un autre mode de réalisation, la solution solide est, de préférence, formée suivant un procédé de dépôt par vaporisation laser utilisant comme cible un mélange d'oxyde de zinc et un oxyde d'au moins un métal choisi dans le groupe précité. Le procédé permet de produire un agent absorbant les ultraviolets susceptible d'absorber un rayonnement ultraviolet d'une longueur d'onde arbitraire.
PCT/JP2002/009190 2001-09-10 2002-09-10 Procédé de production de matériau absorbant les ultraviolets WO2003022954A1 (fr)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005162914A (ja) * 2003-12-03 2005-06-23 Nippon Shokubai Co Ltd 紫外線遮断膜、紫外線遮断用金属酸化物粒子および紫外線遮断材料形成用組成物
JP2005263620A (ja) * 2004-02-18 2005-09-29 Nippon Shokubai Co Ltd 金属酸化物粒子およびその用途
US20100260852A1 (en) * 2007-10-29 2010-10-14 Keiko Katsuki Laxative agent
WO2015098993A1 (fr) * 2013-12-27 2015-07-02 堺化学工業株式会社 Particules d'oxyde de zinc, procédé de production associé, agent de blindage contre rayons ultraviolets et matière cosmétique
WO2015098992A1 (fr) * 2013-12-27 2015-07-02 堺化学工業株式会社 Particules d'oxyde de zinc, leur procédé de production, agent de protection contre les rayons ultraviolets et matériau cosmétique
JP6183677B1 (ja) * 2016-06-02 2017-08-23 エム・テクニック株式会社 着色紫外線防御剤
WO2017208616A1 (fr) * 2016-06-02 2017-12-07 エム・テクニック株式会社 Agent colorant/protecteur anti-uv

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JPH07263344A (ja) * 1994-03-24 1995-10-13 Sharp Corp 半導体薄膜形成方法
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JP5854176B2 (ja) * 2013-12-27 2016-02-09 堺化学工業株式会社 酸化亜鉛粒子、それらの製造方法、紫外線遮蔽剤及び化粧料
WO2015098992A1 (fr) * 2013-12-27 2015-07-02 堺化学工業株式会社 Particules d'oxyde de zinc, leur procédé de production, agent de protection contre les rayons ultraviolets et matériau cosmétique
JP5854175B2 (ja) * 2013-12-27 2016-02-09 堺化学工業株式会社 酸化亜鉛粒子、それらの製造方法、紫外線遮蔽剤及び化粧料
WO2015098993A1 (fr) * 2013-12-27 2015-07-02 堺化学工業株式会社 Particules d'oxyde de zinc, procédé de production associé, agent de blindage contre rayons ultraviolets et matière cosmétique
JPWO2015098993A1 (ja) * 2013-12-27 2017-03-23 堺化学工業株式会社 酸化亜鉛粒子、それらの製造方法、紫外線遮蔽剤及び化粧料
JPWO2015098992A1 (ja) * 2013-12-27 2017-03-23 堺化学工業株式会社 酸化亜鉛粒子、それらの製造方法、紫外線遮蔽剤及び化粧料
US9775787B2 (en) 2013-12-27 2017-10-03 Sakai Chemical Industry Co., Ltd. Zinc oxide particle, method for producing the same, ultraviolet shielding agent, and cosmetic
US9789037B2 (en) 2013-12-27 2017-10-17 Sakai Chemical Industry Co., Ltd. Zinc oxide particle, method for producing the same, ultraviolet shielding agent, and cosmetic
JP6183677B1 (ja) * 2016-06-02 2017-08-23 エム・テクニック株式会社 着色紫外線防御剤
WO2017208616A1 (fr) * 2016-06-02 2017-12-07 エム・テクニック株式会社 Agent colorant/protecteur anti-uv

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