WO2004085315A1 - 多孔質酸化チタン粉体及びその製造方法 - Google Patents
多孔質酸化チタン粉体及びその製造方法 Download PDFInfo
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- WO2004085315A1 WO2004085315A1 PCT/JP2004/004268 JP2004004268W WO2004085315A1 WO 2004085315 A1 WO2004085315 A1 WO 2004085315A1 JP 2004004268 W JP2004004268 W JP 2004004268W WO 2004085315 A1 WO2004085315 A1 WO 2004085315A1
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- 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
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
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- 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
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
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- 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
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3669—Treatment with low-molecular organic compounds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
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- 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
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Definitions
- Porous titanium oxide powder and method for producing the same are Porous titanium oxide powder and method for producing the same.
- the present invention relates to a porous titanium oxide powder and a method for producing the same, and further relates to its ability to control ultraviolet rays, usability, transparency and the like.
- Titanium oxide has been widely used as a pigment in paints, plastics, cosmetics, and the like because of its high refractive index, excellent hiding power, coloring power, and UV protection. Titanium oxide, which is contained in these product bases as an ultraviolet ray protective agent, is mainly composed of fine powder having an average primary particle diameter of not more than 0.1 ⁇ as a result of pursuing ultraviolet ray protection and transparency.
- titanium oxide As a method for producing titanium oxide, a method of heating and hydrolyzing titanyl sulfate / titanium tetrachloride in an aqueous phase and a method of neutralizing and hydrolyzing are known (for example, Japanese Patent Application Laid-Open No. 55-55). — See Japanese Patent Publication No. 10428).
- the fine particle powder had a very small particle size, it had a high oil absorption, was apt to agglomerate, and was difficult to disperse in the product base system.
- cosmetics and the like containing this fine particle powder have a high UV protection effect in the UV- UV region (290 to 320 nm), but have a high UV-A region (320 to 400 nm). It has a low protective effect against ultraviolet rays, and has problems such as roughness and poor quality even in actual use.
- fan-shaped titanium oxide powder in which needle-shaped titanium oxide primary particles are aggregated has been proposed in order to improve dispersibility and UV-A protection ability (for example, Japanese Patent Application Laid-Open No. Reference is made to Japanese Patent Application Publication No.
- titanium oxide has a high refractive index, its transparency is higher than that of zinc oxide. There was a problem of inferiority. .
- the present invention has been made in view of the above-described conventional problems, and has as its object to provide a titanium oxide powder having excellent ultraviolet protection ability, usability, and transparency, and a method for producing the same.
- the titanium salt solution is heated and hydrolyzed with an additive such as an aliphatic alcohol, and then heated with an acid, whereby the fine titanium oxide primary particles become spherical. It was found that powders having a very large specific surface area could be obtained. And, it has been found that such a powder has excellent ultraviolet protection ability, usability, and transparency. Also, the present inventors have found that a compound having a carboxylic acid group or a carboxyl group can be used in combination with an aliphatic alcohol as an additive, and that the particle size, crystal type, and the like can be adjusted by adjusting the concentration of the additive. did.
- the porous titanium oxide powder according to the present invention is a porous powder having an average particle size of 0.01 to 100 m formed by aggregating primary particles of titanium oxide, and has a specific surface area of characterized in that There are 2 5 0 ⁇ 5 0 0 m 2 Z g.
- the average particle size of the primary particles of titanium oxide is 1 to 50 nm.
- the powder be roughly spherical with a ratio of the major axis to the minor axis of 0.75 or more.
- the crystal type is preferably a rutile type. Further, the crystal type is preferably an anatase type.
- the titanium salt solution is heated and hydrolyzed in the presence of a substance having an aliphatic alcohol and / or a carboxyl group or a carbonyl group, and then further heated with an acid. It is characterized by processing.
- the titanium salt solution is heated and hydrolyzed in the presence of an aliphatic alcohol, and then heat-treated with an acid.
- the titanium salt solution is heated and hydrolyzed in the presence of an aliphatic alcohol and a substance having a carboxyl group or a carboxyl group, followed by further heat treatment with an acid. .
- the aliphatic alcohol may be a polyhydric alcohol. It is suitable.
- polyhydric alcohols include ethylene glycol, propylene glycol, 1,4-butylene glycol, 2,3-butylene glycol, 1,3-butylene glycol, and dimethinoref P, pandiolone, and getinoleffe P It is preferably one or more selected from the group consisting of pandiole, glycetone, trimethylolpropane, triethylonolepropane, erythritol, xylitol, mannitol, sorbitol, and maltitol It is.
- the titanium salt solution is hydrolyzed by heating in the presence of a substance having a carboxyl group or a polyol group, and then further heat-treated with an acid.
- the substance having a carboxyl group or a carbonyl group is preferably an aliphatic carboxylic acid or a derivative thereof.
- the substance having a carbonyl group is acetic acid.
- FIG. 1 is a photograph of a porous titanium oxide powder according to the present invention taken by a transmission electron microscope (TEM).
- TEM transmission electron microscope
- FIG. 2 is a photograph of the porous titanium oxide powder according to the present invention taken by a transmission electron microscope (TEM).
- TEM transmission electron microscope
- FIG. 3 is a graph showing the results of measurement of the ultraviolet protective effect and the visible light transmittance of the porous titanium oxide powder according to the present invention and a comparative commercially available ultrafine titanium oxide powder.
- the diameter of the porous titanium oxide powder of the present invention can be from 0.01 to 100 ⁇ , but is preferably from 0.01 to 10 ⁇ m. If the diameter is small, aggregation occurs in the base material, and if the diameter is large, usability may be impaired.
- the average particle diameter of the titanium oxide particles serving as the primary particles is preferably 0.001 to 0.05 m. If it is shorter than 0.0 1 ⁇ , the cohesiveness becomes stronger, If the porosity cannot be obtained and the porosity is longer than 0.05, the specific surface area is reduced, and the UV protection effect is reduced.
- the titanium salt solution is heated and hydrolyzed in the presence of an aliphatic alcohol and / or a carbonyl substance having a carbonyl group or a carbonyl group, and thereafter, It is characterized by heat treatment with an acid.
- an aliphatic alcohol or the like is added to a titanium salt solution, and this is heated and hydrolyzed to obtain metatitanic acid, which is further heat-treated with an acid, and further p-treated by an alkaline treatment. It is preferred that H be adjusted to form orthotitanic acid and then dried (further calcination is possible).
- the above alkali treatment can be omitted, the yield and quality may be poor.
- the starting material of the titanium salt solution used in the present invention is not particularly limited, but an aqueous solution of an inorganic titanium salt such as titanium sulfate, titanyl sulfate, and titanium tetrachloride is preferably used. It is also possible to use an organic titanium salt such as titanium tetraisopropoxide as a starting material.
- the concentration of the titanium salt solution is preferably from 0.1 to 5 mol / L.
- the particle diameter ⁇ specific surface area of the powder can be changed by the amount of the aliphatic alcohol added when the titanium salt solution is hydrolyzed by heating. This is thought to be because the aliphatic alcohol affects the particle size and aggregation state of the primary particles, and as a result, the particle size, specific surface area, and the like of the porous powder, which is the secondary particles, change.
- the concentration of the aliphatic alcohol may be appropriately determined according to the purpose, but is usually 0.1 to 5 mol / L, preferably 0.5 to 3 mol / L in a titanium salt solution. If the aliphatic alcohol concentration is too low or too high, it may be difficult to obtain a porous powder having a desired particle size and specific surface area.
- examples of the aliphatic alcohol to be added when the titanium salt solution is hydrolyzed by heating include those having 1 to 22 carbon atoms, such as methanol, ethanol, isopropyl alcohol, butyl alcohol, octanol, and stearyl. Alcohol and the like can be exemplified, but it is preferable to use a polyhydric alcohol in order to obtain a clean shape.
- polyhydric alcohol examples include, but are not limited to, ethylene glycol, propylene glycol, 1,4-butylene glycol, and 2,3-butylene Gurikonore, 1, 3-butylene glycol Honoré, dimethyl propane di O over Honoré, Jechi Norepurono Njio one Honoré, glycerol, preparative Rimechironorepu 'Ronokun, preparative Ryechironore Purono ⁇ 0 down, erythritol tall, xylylene Tonore, Man'ni Torr Sonorebitonore, Multitol and the like are preferably used.
- the heating hydrolysis conditions are appropriately determined depending on the type of raw materials to be used, the type and concentration of additives such as aliphatic alcohols, and the like, but it is generally preferable that the temperature is 50 to 100 ° C. for 1 to 12 hours. is there.
- heat treatment with an acid is performed. Specifically, after heating and hydrolyzing treatment, an acid is added to a slurry in which the filtration residue is resuspended in water, and the slurry is heated.
- an acid examples include sulfuric acid, nitric acid, and hydrochloric acid, and hydrochloric acid is preferred.
- a porous powder having a very high specific surface area of not less than 250 m 2 / g can be obtained. If the acid heat treatment is not performed, or if additives such as aliphatic alcohols are not added at the time of heat hydrolysis, such a powder having a large specific surface area cannot be obtained. Also, the acid heat treatment tends to make the powder particle size smaller and more uniform than before the treatment.
- the amount of the acid to be added in the acid heat treatment is usually 1 to 8 molar equivalents relative to titanium in the slurry.
- the heating conditions may be appropriately determined depending on the raw materials, additives, concentrations, and the like to be used, but are usually in the same range as the heating hydrolysis conditions.
- an alkali is added to the reaction solution (or a slurry obtained by filtering and washing the reaction solution, and then resuspended in water) to adjust the pH to 6 to 8, preferably pH 6.5. It is preferable to adjust (neutralize) to 7.5.
- the alkali used is not particularly limited, but Na salts, K salts, and Ca salts such as sodium hydroxide, sodium carbonate, potassium hydroxide, and calcium hydroxide are preferably used.
- the particle size of the porous powder is larger than when not used together. Tend to be smaller. In addition, the amount of additives used can often be reduced.
- the substance having a carboxyl group or a carboxy group (hereinafter sometimes referred to as a carboxyl Z-carbonyl compound) is not limited as long as there is no particular problem, but an aliphatic compound having 1 to 22 carbon atoms is preferable. Typical examples thereof include aliphatic carboxylic acids and derivatives thereof.
- Examples of the aliphatic carboxylic acids include monobasic acids such as formic acid, acetic acid, propionic acid, caprylic acid, and stearic acid, and dibasic acids such as oxalic acid, malonic acid, succinic acid, adipic acid, and maleic acid. Alternatively, higher polybasic acids are possible.
- Typical derivatives include salts such as alkali metal salts, alkaline earth metal salts, quaternary ammonium salts and the like, and esters such as methyl ester and ethyl ester.
- preferred are carboxylic acids and carboxylate salts preferred are particularly preferred are acetic acid and propionic acid.
- the concentration of the carboxyl / carbonyl compound may be appropriately determined depending on the type of the compound and other conditions, but is usually preferably 0.1 to 5 mo1 / L in a titanium salt solution. Preferably it is 0.5-5 mo1 / L. If the concentration is too low, the effect of addition is not exhibited, and if added excessively, the effect corresponding thereto is not exhibited.
- a porous titanium oxide powder can be obtained by using a lipoxyl / carbonyl compound instead of an aliphatic alcohol as an additive.
- acetic acid is preferred as the carboxyl Z-carbonyl compound.
- the particle size and shape may be inferior to those in the case where the aliphatic alcohol is used.
- Anatase and rutile are produced as white pigments industrially. Both crystals belong to the tetragonal system, and the atomic arrangement of unit cells is more dense in the rutile type than in the anatase type. Further, the rutile type is more stable than the anatase type. When the anatase type is heated at a high temperature, it is transformed into the rutile type.
- Titanium oxide is known to act as a photocatalyst when irradiated with light, particularly ultraviolet light, and is intended to act as a photocatalyst.
- light particularly ultraviolet light
- the lath is used as an antifouling function-imparting agent for making it super hydrophilic, it is very useful to use anatase type titanium oxide.
- rutile-type or anatase-type titanium oxide depending on the concentration of an aliphatic alcohol or a carboxyl / carbonyl compound.
- a rutile type is obtained when the concentration of aliphatic alcohol or carboxyl / carbonyl compound is low
- an anatase type is obtained when the concentration of aliphatic alcohol or carboxyl / carbonyl compound is high. It is in.
- the crystal form of titanium oxide can be selected according to the purpose of use.
- an anatase type can be produced by the production method of the present invention, and this can be transferred to a rutile type by a conventional method.
- the primary particles are aggregated in a coarse state, exhibit a porous shape having many pores (voids), and have a specific surface area of 250 m 2 / g or more. It also becomes.
- the refractive index of the powder is a product of the refractive index of titanium oxide and the refractive index of the medium, and the apparent refractive index is lower than the refractive index of titanium oxide itself.
- the porous titanium oxide powder of the present invention has a feature that the transmittance in the visible region is high and almost constant, and that the transparency is higher than that of the conventional titanium oxide powder. In the UV-AB region, the transmittance is reduced, and it has UV protection. Furthermore, since the titanium oxide powder of the present invention has a substantially spherical shape, when it is blended in paints, plastics, cosmetics, etc., it has excellent usability without roughness.
- the titanium oxide powder of the present invention is porous, its specific surface area is as large as 250 to 50 On ⁇ / g. Therefore, when used as a photocatalyst, the activity can be expected to increase.
- the porous titanium oxide powder of the present invention can be used after being subjected to a surface treatment by an ordinary method.
- a surface treatment for example, an aluminum treatment, a silicone treatment, a fatty acid stone treatment, a dextrin fatty acid ester treatment, a fluorine treatment, or the like may be performed.
- an aluminum treatment, a silicone treatment, a fatty acid stone treatment, a dextrin fatty acid ester treatment, a fluorine treatment, or the like may be performed.
- by further coating the surface with other metal species it can be expected that the ultraviolet absorption characteristics will be changed.
- the porous titanium oxide powder of the present invention is thermally and chemically stable, and contains oil, water, powder, surfactant, lower alcohol, polyhydric alcohol, humectant, preservative, polymer, Antioxidants, fragrances, various chemicals, and the like can be incorporated in a qualitative and quantitative range that does not impair the effects of the present invention such as ultraviolet protection.
- oils that can be blended with the porous titanium oxide powder of the present invention include oils that are usually used in cosmetics. Examples thereof include liquid fats and oils, solid fats and oils, waxes, hydrocarbons, higher fatty acids, higher alcohols, ester oils, and silicones, but are not limited to the above oil components. One or more of these oils can be arbitrarily selected and used.
- Examples of the powder that can be blended with the porous titanium oxide powder of the present invention include powders generally used in cosmetics. Examples include inorganic pigments, pearl pigments, metal powder pigments, organic pigments, and natural pigments, but are not limited to the above powders.
- a surfactant that can be blended with cosmetics can be used regardless of its ionicity.
- examples thereof include anionic surfactants, cationic surfactants, amphoteric surfactants, lipophilic nonionic surfactants, hydrophilic nonionic surfactants, and silicone surfactants.
- this invention is not limited only to the said surfactant.
- One or more of these surfactants can be arbitrarily selected and blended.
- the form in which the cosmetic can be taken is not particularly limited, and examples thereof include powder, cream, stick, pencil, and liquid. It can be in various forms depending on the application, and it is possible to provide various cosmetics such as makeup base, foundation, white powder, lipstick, lipstick, mascara, eye shadow, eyeliner, cream, emulsion, lotion, etc. is there.
- a substance having an aliphatic alcohol and / or a carboxyl group or a carboxy group as an additive when hydrolyzing a titanium salt such as titanyl sulfate / titanium tetrachloride By co-existing and heat-treating with acid, it is possible to obtain a porous titanium oxide powder having a very large specific surface area and excellent ultraviolet protection ability, usability and transparency.
- the particle size and particle size can be improved by using aliphatic alcohols and carboxyl / carbonyl compounds in combination, or by adjusting the concentration of additives. Specific surface area and crystal type can be changed.
- Fig. 1 shows a TEM photograph of the obtained titanium oxide powder.
- This powder was a porous titanium oxide having a crystal type of rutile, a particle diameter of about 9 O nm, and a specific surface area of 361 m 2 Z g, and was spherical in shape.
- a powder was prepared in the same manner as in Example 1 except that the glycerin concentration was changed. Table 1 shows the results.
- the concentration of the aliphatic alcohol is from 0.1 to 5 mol / L, preferably from 0.5 to 3 mol / L. Also, as is clear from Table 1, the crystal form of the powder changes depending on the amount of the aliphatic alcohol added.
- a powder was obtained in the same manner as in Example 1 except that, after the heat hydrolysis, a treatment with sodium hydroxide was performed without a treatment with hydrochloric acid.
- the obtained powder was a titanium oxide powder having a rutile crystal form, a particle size of about 200 nm, and a specific surface area of 220 m 2 / g.
- a powder was produced in the same manner as in Example 1 except that 3 mol of acetic acid was added together with glycerin.
- the resulting powder was a porous material having an anatase crystal type, a particle diameter of about 30 nm, and a specific surface area of 389 m 2 / g. Titanium oxide was obtained.
- Fig. 2 shows a TEM photograph of this powder.
- Example 3 As can be seen by comparing Example 3 with Example 1, the combined use of the lipoxyl Z-carbonyl compound reduced the particle size, and also changed the crystal form from rutile to anatase.
- a powder was produced in the same manner as in Example 1 except that lmol of propionic acid was added together with glycerin.
- the crystal type was rutile, the particle size was about 60 nm, and the specific surface area was
- This powder was a porous titanium oxide having a rutile crystal type, a particle size of about 20 nm, and a specific surface area of 334 m 2 / s.
- a powder was produced in the same manner as in Example 3 except that titanyl sulfate was used instead of titanium tetrachloride.
- the crystal type was anatase type, the particle size was about 60 nm, and the specific surface area was 327 m 2 / g. Was obtained.
- a powder was produced in the same manner as in Example 3 except that the glycerin concentration was changed to 0.1 mol / L.
- the crystal type was anatase type, the particle size was about 10 nm, and the specific surface area was 455 m 2 / g. Was obtained.
- a powder was produced in the same manner as in Example 1 except that acetic acid was used instead of glycerin.
- the crystal type was anatase type, the particle diameter was about 20 nm and 600 nm, and the specific surface area was 285 m 2 / g of porous titanium oxide was obtained.
- FIG. 3 is a transmittance curve of the powder of Example 3.
- the transmittance was measured for a powder obtained by dispersing the powder in castor oil using three rollers, and applying a 5% dispersion of the powder on a transparent quartz plate using a 5 ⁇ applicator.
- As a control using a commercially available ultrafine acid titanium (titanium Industry Co., Ltd. ST4 85). From FIG. 3, it is understood that the powder of the present invention has an ultraviolet absorbing ability and is excellent in transparency.
- Preservatives Appropriate amount After adding polyethylene glycol to purified water and dissolving by heating, add zinc white and veegum and uniformly disperse them with a homomixer and keep at 70 ° C (aqueous phase). Mix with other components, heat and maintain at 70 ° C (oil phase). Add the oil phase to the water phase, emulsify and disperse the mixture uniformly with a homomixer, and cool to 35 ° C with stirring after emulsification. As described above, an OZW emulsion type sunscreen was obtained.
- the obtained sunscreen was subjected to a sensory test by a professional panel of 10 people. As a result, it was evaluated that the sunscreen had good usability and that the color did not float white and fit into bare skin. In addition, they were used for several days and tested for their UV protection effect, and were evaluated as good without sunburn.
- Porous titanium oxide powder of the present invention 1 2
- Disperse 14 and 15 in 13 heated to 60 ° C add the uniformly dissolved 12 and 16 to this, stir well, and add to 3 to 11 separately heated and more thoroughly Mix. Then, components 1, 2, and 16 to 18 were added, stirred, dispersed, and then filled in a container to obtain a lipstick.
- This lipstick had an excellent UV protection effect.
- the A component was emulsified by gradually adding the B component while stirring with a homomixer to obtain a W / O emulsified sunscreen agent.
- the obtained sunscreen was subjected to a sensory test by a professional panel of 10 people. As a result, it was evaluated that the sunscreen had a good feeling of use, and did not appear white, and was adapted to bare skin. In addition, they were used for several days and tested for their UV protection effect, and were evaluated as good without sunburn.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020057018064A KR101133964B1 (ko) | 2003-03-27 | 2004-03-26 | 다공질 산화티탄 분체 및 그 제조방법 |
EP04723739A EP1616840A4 (en) | 2003-03-27 | 2004-03-26 | POROUS TITANIUM OXIDE POWDER AND PROCESS FOR PRODUCING THE SAME |
AU2004223979A AU2004223979A1 (en) | 2003-03-27 | 2004-03-26 | Porous titanium oxide powder and method for production thereof |
US10/550,461 US7758844B2 (en) | 2003-03-27 | 2004-03-26 | Porous titanium oxide powder and method for production thereof |
HK06106556.7A HK1086545A1 (en) | 2003-03-27 | 2006-06-08 | Porous titanium oxide powder and method for production thereof |
AU2010202400A AU2010202400A1 (en) | 2003-03-27 | 2010-06-09 | Porous titanium oxide powder and method for production thereof |
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JP2003-89081 | 2003-03-27 | ||
JP2003089081A JP4105971B2 (ja) | 2003-03-27 | 2003-03-27 | 多孔質酸化チタン粉体及びその製造方法 |
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US (1) | US7758844B2 (ja) |
EP (1) | EP1616840A4 (ja) |
JP (1) | JP4105971B2 (ja) |
KR (1) | KR101133964B1 (ja) |
CN (1) | CN100513317C (ja) |
AU (2) | AU2004223979A1 (ja) |
HK (1) | HK1086545A1 (ja) |
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DE102004048651A1 (de) * | 2004-10-06 | 2006-04-13 | Rhodia Acetow Gmbh | Tabakrauchfilter oder -filterelemente mit einem Gehalt an Zusatzstoffen |
CN100357184C (zh) * | 2005-10-19 | 2007-12-26 | 清华大学 | 一种制备单分散金属氧化物纳米粒子的方法 |
CN100441514C (zh) * | 2005-12-20 | 2008-12-10 | 中国科学院兰州化学物理研究所 | 油溶性锐钛矿型纳米氧化钛颗粒的制备方法 |
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- 2004-03-26 CN CNB2004800078091A patent/CN100513317C/zh not_active Expired - Fee Related
- 2004-03-26 AU AU2004223979A patent/AU2004223979A1/en not_active Abandoned
- 2004-03-26 KR KR1020057018064A patent/KR101133964B1/ko not_active IP Right Cessation
- 2004-03-26 WO PCT/JP2004/004268 patent/WO2004085315A1/ja active Application Filing
- 2004-03-26 EP EP04723739A patent/EP1616840A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
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CN100513317C (zh) | 2009-07-15 |
AU2004223979A1 (en) | 2004-10-07 |
TW200508153A (en) | 2005-03-01 |
TWI329619B (ja) | 2010-09-01 |
JP2004292266A (ja) | 2004-10-21 |
KR20050111621A (ko) | 2005-11-25 |
HK1086545A1 (en) | 2006-09-22 |
KR101133964B1 (ko) | 2012-04-05 |
JP4105971B2 (ja) | 2008-06-25 |
CN1764603A (zh) | 2006-04-26 |
AU2010202400A1 (en) | 2010-07-01 |
EP1616840A1 (en) | 2006-01-18 |
US7758844B2 (en) | 2010-07-20 |
EP1616840A4 (en) | 2010-12-22 |
US20060188432A1 (en) | 2006-08-24 |
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