RESIN COMPOSITION, ANTI-REFLECTION COATING MATERIAL, ANTI-DAZZLING COATING MATERIAL, ANTI-REFLECTION COATING, ANTI-REFLECTION FILM, ANTI-DAZZLING FILM, CORROSION PROTECTIVE COATING, CORROSION PROTECTIVE COATING MATERIAL, COATING MATERIAL, AND COATING
In a corrosion protective coating and a corrosion protective coating material, insulating properties of empty particles in a cubic form formed of a silica shell having an outer diameter in the range of 10 nm to 300 nm are utilized to avoid the penetration of water into closed cells and to realize ex...
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Format | Patent |
Language | English French Japanese |
Published |
29.05.2008
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Abstract | In a corrosion protective coating and a corrosion protective coating material, insulating properties of empty particles in a cubic form formed of a silica shell having an outer diameter in the range of 10 nm to 300 nm are utilized to avoid the penetration of water into closed cells and to realize excellent corrosion resistance even when the thickness of the coating film is reduced to not more than 20 µm. In a corrosion protective coating test specimen (1), an oxide film present on the surface of an aluminum plate (2) having a length of 150 mm, a width of 70 mm, and a thickness of 5 mm is removed by sand blasting. A corrosion protective coating material comprising empty particles (4) in a cubic form formed of a silica shell having an average particle diameter of 80 nm and having an outer diameter in the range of 50 nm to 100 nm, and zinc powder particles (5) homogeneously dispersed in an isocyanate-acrylic coating material is spray coated onto the aluminum plate (2), and the coating is then baked and dried to homogeneously disperse the empty particles (4) and the zinc powder particles (5) in a coating film (6) and thus to form a corrosion protective coating (3). The specific permittivity of the corrosion protective coating (3) is satisfactorily low and 2.5, and, in a CASS test, the corrosion protective coating test specimen (1) does not cause any abnormal phenomenon even when 240 hr has elapsed.
L'invention concerne un revêtement anticorrosion et un matériau de revêtement anticorrosion, selon lesquels les propriétés isolantes de particules vides sous forme cubique formées d'une enveloppe de silice ayant un diamètre externe de 10 nm à 300 nm sont utilisées pour éviter la pénétration de l'eau dans des cellules fermées et pour obtenir une excellente résistance à la corrosion, même lorsque l'épaisseur du film de revêtement est réduite à une épaisseur inférieure ou égale à 20 µm. Dans un échantillon test de revêtement anticorrosion (1), un film d'oxyde présent à la surface d'une plaque d'aluminium (2) ayant une longueur de 150 mm, une largeur de 70 mm et une épaisseur de 5 mm est éliminé par sablage. L'invention concerne donc un matériau de revêtement anticorrosion comprenant des particules vides (4) sous forme cubique formées d'une enveloppe de silice ayant un diamètre moyen de particule de 80 nm et un diamètre externe de 50 nm à 100 nm, et des particules de poudre de zinc (5), dispersées de manière homogène dans un matériau de revêtement isocyanate-acrylique, ledit matériau de revêtement étant enduit par pulvérisation sur une plaque d'aluminium (2) et le revêtement étant ensuite cuit et séché pour disperser de manière homogène les particules vides (4) et les particules de poudre de zinc (5) dans un film de revêtement (6), formant ainsi un revêtement anticorrosion (3). La permittivité spécifique du revêtement anticorrosion (3) est de manière satisfaisante faible et de 2,5 et, lors d'un test CASS, l'échantillon test de revêtement anticorrosion (1) n'entraîne pas de phénomène anormal, même après 240 heures. |
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AbstractList | In a corrosion protective coating and a corrosion protective coating material, insulating properties of empty particles in a cubic form formed of a silica shell having an outer diameter in the range of 10 nm to 300 nm are utilized to avoid the penetration of water into closed cells and to realize excellent corrosion resistance even when the thickness of the coating film is reduced to not more than 20 µm. In a corrosion protective coating test specimen (1), an oxide film present on the surface of an aluminum plate (2) having a length of 150 mm, a width of 70 mm, and a thickness of 5 mm is removed by sand blasting. A corrosion protective coating material comprising empty particles (4) in a cubic form formed of a silica shell having an average particle diameter of 80 nm and having an outer diameter in the range of 50 nm to 100 nm, and zinc powder particles (5) homogeneously dispersed in an isocyanate-acrylic coating material is spray coated onto the aluminum plate (2), and the coating is then baked and dried to homogeneously disperse the empty particles (4) and the zinc powder particles (5) in a coating film (6) and thus to form a corrosion protective coating (3). The specific permittivity of the corrosion protective coating (3) is satisfactorily low and 2.5, and, in a CASS test, the corrosion protective coating test specimen (1) does not cause any abnormal phenomenon even when 240 hr has elapsed.
L'invention concerne un revêtement anticorrosion et un matériau de revêtement anticorrosion, selon lesquels les propriétés isolantes de particules vides sous forme cubique formées d'une enveloppe de silice ayant un diamètre externe de 10 nm à 300 nm sont utilisées pour éviter la pénétration de l'eau dans des cellules fermées et pour obtenir une excellente résistance à la corrosion, même lorsque l'épaisseur du film de revêtement est réduite à une épaisseur inférieure ou égale à 20 µm. Dans un échantillon test de revêtement anticorrosion (1), un film d'oxyde présent à la surface d'une plaque d'aluminium (2) ayant une longueur de 150 mm, une largeur de 70 mm et une épaisseur de 5 mm est éliminé par sablage. L'invention concerne donc un matériau de revêtement anticorrosion comprenant des particules vides (4) sous forme cubique formées d'une enveloppe de silice ayant un diamètre moyen de particule de 80 nm et un diamètre externe de 50 nm à 100 nm, et des particules de poudre de zinc (5), dispersées de manière homogène dans un matériau de revêtement isocyanate-acrylique, ledit matériau de revêtement étant enduit par pulvérisation sur une plaque d'aluminium (2) et le revêtement étant ensuite cuit et séché pour disperser de manière homogène les particules vides (4) et les particules de poudre de zinc (5) dans un film de revêtement (6), formant ainsi un revêtement anticorrosion (3). La permittivité spécifique du revêtement anticorrosion (3) est de manière satisfaisante faible et de 2,5 et, lors d'un test CASS, l'échantillon test de revêtement anticorrosion (1) n'entraîne pas de phénomène anormal, même après 240 heures. |
Author | MITSUHASHI, KOUHEI HAYASHI, KOZO HOSHINO, KIYOSHI TANABE, KATSUYUKI FUJI, MASAYOSHI FUJIMOTO, KYOICHI |
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DocumentTitleAlternate | COMPOSITION DE RÉSINE, MATÉRIAU DE REVÊTEMENT ANTIRÉFLÉCHISSANT, MATÉRIAU DE REVÊTEMENT ANTI-ÉBLOUISSEMENT, REVÊTEMENT ANTIRÉFLÉCHISSANT, FILM ANTIRÉFLÉCHISSANT, FILM ANTI-ÉBLOUISSEMENT, REVÊTEMENTS ANTICORROSION, MATÉRIAU DE REVÊTEMENT ANTI |
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RelatedCompanies | MITSUHASHI, KOUHEI HAYASHI, KOZO NAGOYA INSTITUTE OF TECHNOLOGY NITTETSU MINING CO., LTD HOSHINO, KIYOSHI TANABE, KATSUYUKI GRANDEX CO., LTD FUJI, MASAYOSHI FUJIMOTO, KYOICHI |
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SubjectTerms | ADHESIVES APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES IMPREGNATING OR COATING OF PAPER INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PRODUCTION OF CELLULOSE PULP COMPOSITIONS SPINNING SPRAYING OR ATOMISING IN GENERAL STAMPS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS |
Title | RESIN COMPOSITION, ANTI-REFLECTION COATING MATERIAL, ANTI-DAZZLING COATING MATERIAL, ANTI-REFLECTION COATING, ANTI-REFLECTION FILM, ANTI-DAZZLING FILM, CORROSION PROTECTIVE COATING, CORROSION PROTECTIVE COATING MATERIAL, COATING MATERIAL, AND COATING |
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