WO2008066077A1 - Procédé de production de flocons - Google Patents

Procédé de production de flocons Download PDF

Info

Publication number
WO2008066077A1
WO2008066077A1 PCT/JP2007/072960 JP2007072960W WO2008066077A1 WO 2008066077 A1 WO2008066077 A1 WO 2008066077A1 JP 2007072960 W JP2007072960 W JP 2007072960W WO 2008066077 A1 WO2008066077 A1 WO 2008066077A1
Authority
WO
WIPO (PCT)
Prior art keywords
flake body
substrate
sol solution
producing
salt
Prior art date
Application number
PCT/JP2007/072960
Other languages
English (en)
Japanese (ja)
Inventor
Shinji Mikami
Mitsuhiro Kawazu
Original Assignee
Nippon Sheet Glass Company, Limited
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
Application filed by Nippon Sheet Glass Company, Limited filed Critical Nippon Sheet Glass Company, Limited
Publication of WO2008066077A1 publication Critical patent/WO2008066077A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/005—Manufacture of flakes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/12—Other methods of shaping glass by liquid-phase reaction processes

Definitions

  • the present invention relates to a method for producing a flake body using a sol-gel method.
  • a sol solution containing a metal oxide precursor is prepared by adding a hydrolyzable metal compound in an organic solvent containing a catalyst and water, and this metal oxide precursor is dehydrated and condensed. This is a production method in which the reaction is advanced to obtain a gelled metal oxide.
  • the hydrolyzable metal compound metal alkoxide is often used.
  • a method for producing a flake body using a sol-gel method has been put into practical use.
  • a sol solution containing a metal oxide precursor is applied on a flat substrate, and a coating film formed on the substrate is dried.
  • the coating film peels off due to shrinkage caused by drying, and becomes a metal oxide flake.
  • Flakes are used as fillers for plastics, corrosion-resistant linings, etc., and are sometimes blended into paints and inks.
  • the metal oxide flake body has various properties such as aroma, deodorant, deodorant, bactericidal, water-repellent, conductive, and heat-sensitive. Functions can be added.
  • JP-A-4 292430 a solution containing an organometallic compound and an organic dye is applied onto a substrate to form a coating film, and the coating film is peeled off from the substrate to contain an organic dye.
  • a method for obtaining a flake body is disclosed.
  • the organic compound may aggregate or precipitate in the sol solution. Although this phenomenon does not occur during preparation of the solution, it may occur during drying of the coating film.
  • the degree of occurrence of the aggregation or precipitation of the organic compound varies depending on the solvent contained in the sol solution and the affinity between the metal oxide precursor and the organic compound. For example, the affinity between the organic compound and the metal oxide precursor is low! / And evenly dispersed in the sol solution! / In the process of volatilization of the solvent, organic compounds aggregate or precipitate. If the organic compound aggregates or precipitates and the distribution of the organic compound in the flakes becomes non-uniform, the function of the organic compound cannot be effectively exhibited. If a dispersant is used, aggregation or precipitation of organic compounds can be suppressed. However, it is desirable to avoid the use of dispersants because they may remain in the flake body and impair its performance.
  • Japanese Patent Application Laid-Open No. 2006-150300 discloses that an organic compound is prepared by adjusting the amount of water added to a sol solution so that it is sufficient but sufficient for the hydrolysis reaction of a metal compound. It is disclosed to prepare a uniformly dispersed sol solution! If a flake body is produced using this sol solution, a flake body in which an organic compound is uniformly dispersed can be obtained without using a dispersant.
  • An object of the present invention is to provide a method for producing a flake body using a sol-gel method, in which a coating film is easily peeled from a substrate!
  • the present inventors have found that the releasability of a coating film formed on a substrate can be improved by adding an alkali metal salt and / or an alkaline earth metal salt to a sol solution.
  • a hydrolyzable metal compound, an acid catalyst, water, and an organic solvent are mixed to prepare a sol solution containing a metal oxide precursor, and this sol solution is applied onto a substrate. Then, a coating film is formed on the substrate, the coating film is dried, and the coating film is peeled off from the substrate to obtain a flake body, in which the sol solution is coated on the substrate.
  • a method for producing a flake body is provided, further comprising an organic compound and at least one salt selected from the group consisting of alkali metal salts and alkaline earth metal salts.
  • the amount of water added to the sol solution is increased by adding the salt. Even if there are few, the flake body excellent in peelability can be manufactured easily and efficiently.
  • the production method of the present invention is particularly suitable for providing a thin flake body in which an organic compound is uniformly dispersed.
  • FIG. 1 is a block diagram for explaining an example of the method of the present invention.
  • FIG. 2 is a diagram showing a result of observation of an example of a flake body obtained by the method of the present invention with a scanning electron microscope.
  • a hydrolyzable metal compound In the method for producing a flake body of the present invention, first, at least a hydrolyzable metal compound, an acid catalyst, water, and an organic solvent are mixed, and a metal oxide precursor generated by hydrolysis of the metal compound is included. A sol solution is prepared.
  • the type of the organic solvent is not limited, but an organic solvent having high solubility of the metal compound to be used is suitable.
  • the organic solvent alcohols, glycols, cellosonolev (ethylene glycol monoether), and the like can be used.
  • alcohols lower alcohols such as methanol, ethanol and isopropanol are preferred.
  • glycols ethylene glycol, propylene glycol and the like are preferable.
  • the mouth solvs cetyl sorb butyl, butyl mouth solv and the like are preferable.
  • organic solvents with low volatility such as dariserine and hexylene dallicol have the advantage that the decrease in organic solvent due to volatilization can be suppressed.
  • the hydrolyzable metal compound has a functional group as a reaction point to water in the molecule, and can form a metal oxide precursor by hydrolysis reaction.
  • hydrolyzable metal compounds include metal alkoxides, metal carboxylates, nitrates, chlorides and oxychlorides. Among these, the metal alkoxide is easy to control the reaction and easily forms a three-dimensional network structure of the metal oxide at a low temperature.
  • Composing metal compounds The type of metal atom is not limited, but may be silicon, titanium, aluminum, zirconium or the like.
  • the metal alkoxide is represented by the general formula: MR (OR ').
  • M is a metal atom
  • R is an organo group (strictly, an organic group excluding an alkoxyl group)
  • OR ′ is an alkoxyl group.
  • N is a natural number corresponding to the oxidation number of the metal atom
  • m is an integer in the range of 0 ⁇ m ⁇ n.
  • R include an alkyl group, a phenyl group, a acyl group, a methacryloxy group, and an epoxy group.
  • R ′ include an alkyl group, a phenyl group, an acetyl group, and a (poly) oxyalkylene group. Among them, the number of carbon atoms such as a methyl group, an ethyl group, a propyl group, and an isopropyl group is 1 to An alkyl group of 5 is preferred.
  • Examples of the metal alkoxide (silicon alkoxide) in which the metal atom is silicon include tetraalkoxysilane having four reaction points to water, such as tetramethoxysilane, tetraethoxysilane, and tetrapropoxysilane.
  • the use of alkoxysilane A is preferable from the viewpoint of improving the strength of the flake body and the raw material cost.
  • an alkoxysilane having an organo group such as methyltrimethoxysilane or phenyltrimethoxysilane
  • alkoxysilane B is preferable from the viewpoint of improving the stability of the sol solution and the dispersibility of the organic compound.
  • alkoxysilane A and alkoxysilane B may be used in combination.
  • Titanium alkoxides such as tetraisopropoxytitanium are highly reactive and thus gelate immediately after hydrolysis.
  • a chelating agent to an organic solvent in advance to stabilize the metal oxide precursor obtained by the hydrolysis reaction.
  • 0-diketones such as acetyl acetone and 0-keto esters such as acetyl acetoacetate can be preferably used.
  • the metal element contained in the metal compound is not limited to one type, and may be a plurality of types as required.
  • a metal oxide flake body having a desired refractive index can be produced by mixing metal compounds having different metal elements.
  • multiple A sol solution may be prepared by blending these metal compounds, or separately prepared sol solutions may be mixed.
  • the acid catalyst accelerates the hydrolysis reaction of the metal compound and suppresses the gelation of the resulting metal oxide precursor.
  • Protonic acid is preferably used as the acid catalyst.
  • the acid catalyst include nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid, citrate, acetic acid, trifluoroacetic acid, trichlorodiacetic acid, p-toluenesulfonic acid, and the like.
  • water is added for the hydrolysis reaction of the metal compound.
  • the amount of water added is preferably 0.5 equivalents or more and 2 equivalents or less based on the number of reaction points of the metal compound with water. If the amount of water added is less than 0.5 equivalent, the hydrolysis reaction of the metal compound may not proceed sufficiently. If the hydrolysis reaction does not proceed sufficiently, the strength of the flake body will be reduced. If this reaction does not proceed sufficiently, the amount of water in the sol solution decreases, and it may be difficult to peel off the flakes from the substrate strength. On the other hand, when the amount of water added exceeds 2 equivalents, it becomes difficult to uniformly disperse the organic compound in the sol solution.
  • the present invention has a high utility value as a supplement to the decrease in the peelability of the coating film that occurs when the amount of water added is limited to the above level. Yes.
  • the amount of water contained in the sol solution varies due to hydrolysis of the metal oxide and subsequent dehydration condensation.
  • the amount of water also varies when an aqueous solution is used as an additive to the sol-gel solution.
  • it is desirable that the water content of the sol solution when applied to the substrate is within a predetermined range.
  • the water content of the final sol solution before application is preferably 10% by mass or less.
  • a film forming solution is prepared from the sol solution obtained above.
  • at least an organic compound and an alkali metal salt and / or an alkaline earth metal salt are added to the sol solution to prepare a film forming solution.
  • the film-forming solution is also a sol solution containing a metal oxide precursor, but here the term “film-forming solution” is used to distinguish these two solutions.
  • the organic compound and the salt may be added in advance to the solution before hydrolysis of the metal compound. In this case, the sol solution obtained by hydrolyzing the metal compound may be directly applied to the substrate.
  • organic compounds should be added to the sol solution in consideration of the fact that there are many substances that become weak to light and heat when dissolved in a solvent and that the stability of the solution may be reduced by the addition of organic compounds. From the viewpoint of solution stability, it is also preferable to prepare the sol solution and add it to this sol solution!
  • the organic compound is added to the flake body in order to impart various functions such as fragrance, deodorizing property, deodorizing property, bactericidal property, water repellency, conductivity, and heat sensitivity.
  • the organic compound include, but are not limited to, compounds such as phthalocyanines, porphyrins, polycyclic aromatics (pyrene, etc.).
  • Organic compounds for imparting the functions exemplified above are often hydrophobic. Although it is not always easy to disperse the hydrophobic organic compound uniformly in the flake body, it can be uniformly dispersed if the amount of water is appropriately controlled as described above. Hydrophobic organic compounds often contain a ring structure of carbon atoms typified by a benzene ring.
  • At least one salt selected from the group consisting of alkali metal salts and alkaline earth metal salts can be used.
  • the at least one salt preferably includes an alkali metal salt.
  • the alkali metal salt preferably includes sodium or potassium.
  • Examples of the alkali metal salt include sodium acetate, potassium acetate, sodium sulfate, and sodium nitrate.
  • Examples of the alkaline earth metal salt include magnesium acetate, calcium acetate, magnesium nitrate, and calcium nitrate.
  • the at least one salt may include acetate, sulfate or nitrate.
  • the amount of the salt added is preferably 0.1 equivalents or more and 1.5 equivalents or less based on the acid catalyst. If the amount of salt added is less than 0.1 equivalent, the effect of the salt may not be sufficiently obtained, and as a result, the flake peelability may not be improved. On the other hand, if the amount of salt added is too large relative to the acid catalyst, the sol solution may move to the alkaline side and the sol solution may be easily gelled. If gelation of the sol solution is to be surely prevented, the amount of salt added should be in the range of 0.;! To 1 equivalent to the acid catalyst. On the other hand, when the peelability should be emphasized, the amount of salt added may be in the range of ! to 1.5 equivalents with respect to the acid catalyst. In general, sol solutions tend to gel easily as their liquidity approaches from alkaline to alkaline.
  • the salt may be added directly to the sol solution. However, in order to mix the salt more uniformly, it is preferable to prepare a solution in which the salt is dissolved in an appropriate solvent in advance and then mix this solution with the sol solution.
  • a preferred solvent for this solution is water.
  • the water content of the sol solution is preferably limited to 10% by mass or less in order not to lower the dispersibility of the organic compound.
  • the salt may be dissolved in an organic solvent containing a small amount of water.
  • an organic acid salt such as sodium acetate or sodium quenate may be used. If an alkali metal salt of an organic acid and / or an alkaline earth metal salt is used, a solution containing only an organic solvent as a solvent can be easily prepared. This organic solvent may be the same as or different from the organic solvent contained in the sol solution.
  • a solution containing an alkali metal salt and / or an alkaline earth metal salt to the sol solution before applying the sol solution onto the substrate.
  • This solution may contain water and an organic solvent as a solvent.
  • An organic compound can also be added to the sol solution before coating on the substrate.
  • the organic compound may be added as the compound itself or in the form of a dispersion or solution.
  • the sol solution may contain other components such as hydroxide, halide, and nitride.
  • a coating film is formed by applying the film forming solution obtained above onto the surface of the substrate. To do.
  • a resin a material having a temperature higher than the boiling point of the organic solvent contained in the film-forming solution and having a heat resistant temperature should be selected.
  • a stainless steel plate is an example of the substrate that is excellent in the flake peelability.
  • the surface of the substrate on which the coating film is formed is preferably smooth.
  • the method of applying the film-forming solution to the substrate may be performed using a known technique!
  • the coating method include spin coating, roll coating, spraying, dating, curtain coating, flow coating, and various printing methods (screen printing, flexographic printing, ink jet method, etc.).
  • a leveling time may be provided as needed between application and drying.
  • the coating film formed on the surface of the substrate is dried.
  • This drying may be carried out by natural drying, but in order to accelerate the dehydration condensation reaction of the metal oxide precursor and facilitate the volatilization of the organic solvent and water, it is possible to carry out the drying by heating with heating of the substrate. It is preferable to do it.
  • the heating temperature should be set lower than the heat resistance temperature of the organic compound contained in the substrate and the coating film.
  • the heating temperature is preferably set higher than the boiling point of the organic solvent contained in the coating film. Examples of preferable heating temperature include 80 ° C to 250 ° C.
  • the dehydration condensation reaction of the metal oxide precursor proceeds in the coating film, and a metal oxide network structure is formed.
  • the coating film contracts, tensile stress is generated, and cracks occur in the coating film.
  • the crack force S is extended, the fine pieces of the coating film are spontaneously peeled off from the substrate, and a flake body is obtained. If the flake body does not peel off naturally, it may be peeled off by applying external force.
  • the peeled flake body may be collected by suction, or may be collected by scraping with a brush, a scraper or the like.
  • the flake body is recovered by blowing compressed air or the like. Alternatively, it may be immersed in a solution and settled in the solution to be collected.
  • a flake body in which the organic compound is uniformly dispersed in the metal oxide and the thickness is thin can be obtained.
  • Thin flake bodies can provide a variety of functions to products that add flake bodies that do not cause problems such as hiding, settling, and sticking out of the coating.
  • FIG. 2 shows the result of observation of an example of the flake body obtained by the production method of the present invention with a scanning electron microscope. The magnification is 1000 times.
  • the water content of the film-forming solution was measured by the Karl Fischer method and found to be 9% by mass.
  • the above-mentioned measurement by the Karl Fischer method is performed by coulometric titration using the “Micro moisture analyzer CA-05” manufactured by Mitsubishi Kasei Kogyo Co., Ltd. and “Aquamicron AX” manufactured by Mitsubishi Chemical Co., Ltd. Implemented by law.
  • the coulometric titration method is a method that uses a detection electrode to measure the number of electrons (current) emitted when iodide ions generated by the reaction of water and an analytical solution return to iodine.
  • the film-forming solution was dropped onto a stainless steel (SUS304) substrate having a size of 100 X 100 mm, and a coating film was formed by a spin coating method.
  • the stainless steel substrate with the coating film was placed in a drying furnace heated to 250 ° C. and heated for 60 seconds. Subsequently, the stainless steel substrate was taken out of the drying furnace, and flake bodies naturally separated from the substrate surface were collected.
  • coating and drying operations were repeated while gradually increasing the rotation speed of the spin coater, and the thinnest flake body that could be naturally peeled was obtained.
  • the thickness of the obtained flake body was measured using a scanning electron microscope (manufactured by Keyence, VE-7800). Here, the thickness of 10 20 flake bodies selected arbitrarily was measured, and the average value was defined as the thickness of the flake bodies (the same applies hereinafter). The thickness of the flake body of Example 1 was 0 ⁇ 64 ⁇ 111.
  • Example 1 In the preparation of the sodium acetate solution, the same solution as in Example 1 was used except that a mixed solution of isopropanol and water prepared by adding the same amount of water instead of sodium acetate was used instead of the sodium acetate solution. The thinnest flake body which can be peeled was obtained. The thickness of this flake body was 1.31 m, which was larger than the thickness of the flake body of Example 1.
  • the thinnest flake body that can be naturally peeled was obtained in the same manner as in Example 1, except that 18.4 g of 0.2 mol / L aqueous citrate solution was used instead of nitric acid as the acid catalyst.
  • the flake body had a thickness of 0.65 m.
  • the thinnest flake body that can be peeled naturally was obtained in the same manner as in Example 2 except that 156 mg of sodium acetate was used instead of 78 mg of sodium acetate.
  • the average thickness of this flake body was 0 ⁇ 59 m.
  • Example 2 Except that 312mg sodium acetate was used instead of 78mg sodium acetate. In the same manner as in Example 2, the thinnest flake body that can be naturally peeled was obtained. The average thickness of the flakes was 0 ⁇ 53 m.
  • the thinnest flake body that can be naturally peeled was obtained in the same manner as in Example 2 except that 128 mg of sodium sulfate was used instead of 78 mg of sodium acetate.
  • the average thickness of this flake body was 0 ⁇ 56 m.
  • the thinnest flake body that can be peeled naturally was obtained in the same manner as in Example 2 except that 256 mg of magnesium nitrate hexahydrate was used instead of 78 mg of sodium acetate.
  • the average thickness of this flake body was 0 ⁇ 69 m.
  • the thinnest flake body that can be naturally peeled was obtained in the same manner as in Example 2 except that 214 mg of magnesium acetate tetrahydrate was used instead of 78 mg of sodium acetate.
  • the average thickness of this flake body was 1 ⁇ 21 111.
  • the thinnest flake body that can be naturally peeled was obtained in the same manner as in Example 2 except that 255 mg of barium acetate was used instead of 78 mg of sodium acetate.
  • the average thickness of this flake body was 1 ⁇ 14 m.
  • the thinnest flake body that can be peeled naturally was obtained in the same manner as in Example 2 except that 38 mg of Disperse Redl was added instead of pyrene.
  • the average thickness of this flake body was 0.56 m.
  • Example 10 In the preparation of the sodium acetate solution, a natural solution was added in the same manner as in Example 9 except that a mixed solution of isopropanol and water prepared by adding the same amount of water instead of sodium acetate was used instead of the sodium acetate solution. The thinnest flake body which can be peeled was obtained. The thickness of this flake body was 1.22 m, which was larger than the thickness of the flake body of Example 9. [Example 10]
  • the thinnest flake body that can be naturally peeled was obtained in the same manner as in Example 2 except that 38 mg of azobenzene was added instead of pyrene.
  • the average thickness of this flake body was 0.36 m.
  • a natural solution was prepared in the same manner as in Example 10 except that a mixed solution of isopropanol and water prepared by adding the same amount of water instead of sodium acetate in the preparation of the sodium acetate solution was used instead of the sodium acetate solution.
  • the thinnest flake body which can be peeled was obtained.
  • the thickness of this flake body was 0.6 m, which was larger than the thickness of the flake body of Example 10.
  • the coating film is thin, the volume shrinkage of the film during drying is small, and therefore the flake body is difficult to peel from the substrate.
  • the amount of water in the sol solution applied onto the substrate is limited in order to uniformly disperse the organic compound, the volume shrinkage of the film during drying is also reduced, and the flaking property of the flake body decreases.
  • the production method of the present invention has a high value and utility value as a supplement to the decrease in the peelability of the coating film from the substrate.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

L'invention concerne un procédé de production de flocons en enlevant par pelage un film de revêtement d'un substrat, et a pour but d'améliorer l'aptitude à l'enlèvement par pelage d'un film de revêtement d'un substrat. L'invention fournit un procédé qui comprend les étapes consistant à mélanger un composé métallique hydrolysable, un catalyseur acide, de l'eau et un solvant organique pour préparer une solution sol contenant un précurseur d'oxyde métallique, appliquer la solution sol sur un substrat pour former un revêtement sur le substrat, sécher le revêtement pour former un film, et enlever le film du substrat par pelage pour former des flocons. Selon la présente invention, la solution sol contient en outre un composé organique pour imprimer une fonction à des flocons et un sel de métal alcalin et/ou un sel de métal alcalino-terreux, lors d'une application à un substrat.
PCT/JP2007/072960 2006-11-28 2007-11-28 Procédé de production de flocons WO2008066077A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-320125 2006-11-28
JP2006320125 2006-11-28

Publications (1)

Publication Number Publication Date
WO2008066077A1 true WO2008066077A1 (fr) 2008-06-05

Family

ID=39467867

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/072960 WO2008066077A1 (fr) 2006-11-28 2007-11-28 Procédé de production de flocons

Country Status (1)

Country Link
WO (1) WO2008066077A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009096494A1 (fr) * 2008-01-30 2009-08-06 Nippon Sheet Glass Company, Limited Matériau en paillettes contenant un colorant fluorescent et procédé de production correspondant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220876A (ja) * 1985-07-19 1987-01-29 Nippon Sheet Glass Co Ltd 二酸化珪素被膜の製造方法
JPH03285838A (ja) * 1990-03-09 1991-12-17 Nippon Sheet Glass Co Ltd フレーク状ガラスの製造方法
JPH0616428A (ja) * 1992-05-08 1994-01-25 Tosoh Corp アモルファスシリカ被膜の製造方法
JPH07330542A (ja) * 1994-06-07 1995-12-19 Nippon Sheet Glass Co Ltd フレーク状ガラス、その製造方法及びそれを配合した化粧料
JP2002179430A (ja) * 2000-12-08 2002-06-26 Toyota Motor Corp ゾルゲル法による薄肉成形体の製造方法
JP2005170788A (ja) * 2005-01-05 2005-06-30 Nippon Sheet Glass Co Ltd フレーク状金属酸化物の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220876A (ja) * 1985-07-19 1987-01-29 Nippon Sheet Glass Co Ltd 二酸化珪素被膜の製造方法
JPH03285838A (ja) * 1990-03-09 1991-12-17 Nippon Sheet Glass Co Ltd フレーク状ガラスの製造方法
JPH0616428A (ja) * 1992-05-08 1994-01-25 Tosoh Corp アモルファスシリカ被膜の製造方法
JPH07330542A (ja) * 1994-06-07 1995-12-19 Nippon Sheet Glass Co Ltd フレーク状ガラス、その製造方法及びそれを配合した化粧料
JP2002179430A (ja) * 2000-12-08 2002-06-26 Toyota Motor Corp ゾルゲル法による薄肉成形体の製造方法
JP2005170788A (ja) * 2005-01-05 2005-06-30 Nippon Sheet Glass Co Ltd フレーク状金属酸化物の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009096494A1 (fr) * 2008-01-30 2009-08-06 Nippon Sheet Glass Company, Limited Matériau en paillettes contenant un colorant fluorescent et procédé de production correspondant

Similar Documents

Publication Publication Date Title
JP5407068B2 (ja) 被覆膜付き蛍光体粒子およびその製造方法
CN103589336B (zh) 一种室温固化丙烯酸杂聚硅氧烷纳米陶瓷防护涂料及其制备方法
WO2010004814A1 (fr) Particule à structure cœur-enveloppe et procédé de production d’une particule à structure cœur-enveloppe
JP2021105183A (ja) 被覆顔料
JP2009513741A (ja) 高い充填剤含量を有するシラン製剤
JP6892639B2 (ja) シラン処理フォルステライト微粒子及びその製造方法、並びにシラン処理フォルステライト微粒子の有機溶媒分散液及びその製造方法
WO2018001100A1 (fr) Résine d'organosilicium soluble dans l'eau et son application
WO2019026405A1 (fr) Poudre inorganique supportant une nanofibre de cellulose et son procédé de production
CN112280344A (zh) 陶瓷复合涂料、杀毒陶瓷复合涂料及其制备方法和涂层
Gao et al. Nanoscale silicon dioxide prepared by sol-gel process
JP7171829B2 (ja) 窒化アルミニウム系フィラー
JP2004204175A (ja) 着色顔料粒子を含む塗料、可視光遮蔽膜付基材
WO2022133908A1 (fr) Matériau de revêtement composite céramique, matériau de revêtement composite céramique antiviral et procédé de préparation associé, et couche de revêtement
JP2006282770A (ja) 塗料用顔料分散体およびそれが用いられた塗料組成物
WO2008066077A1 (fr) Procédé de production de flocons
US20240059902A1 (en) Alumina composite sol composition, method for producing the same, and method for producing an alumina composite thin film
JP7414063B2 (ja) 無機粒子の表面修飾方法、分散液の製造方法および分散液
JP2012177049A (ja) 被覆膜付き珪酸塩蛍光体粒子の製造方法
KR960008249B1 (ko) 코우팅용 조성물 및 그의 제조 방법
RU2660664C1 (ru) Способ получения структурированных покрытий
JPH05117590A (ja) 無機塗料
JP2007106936A (ja) 帯電防止膜形成用組成物
Muhyodin et al. Preparation and characteristics of self-floating silica
CN116987405B (zh) 油墨专用钛白及其处理剂的制备方法
JP7380379B2 (ja) 分散液の製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07832682

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07832682

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP