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Coated metal sheet, method for producing same, and exterior building material
This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol% of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (µm) of the gloss control agent, D1 97.5 and D2 97.5 represent the 97.5% particle size (µm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (µm) of the gloss control agent, and T is the top coating layer thickness (µm). D 1 97.5 / T ¤ 0.9 Ru ¤ 1.2 T R ¥ 1.0 0.5 ¤ D 2 97.5 / T ¤ 7.0 3 ¤ T ¤ 40.
Coated metal sheet, method for producing same, and exterior building material
This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol% of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (µm) of the gloss control agent, D1 97.5 and D2 97.5 represent the 97.5% particle size (µm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (µm) of the gloss control agent, and T is the top coating layer thickness (µm). D 1 97.5 / T ¤ 0.9 Ru ¤ 1.2 T R ¥ 1.0 0.5 ¤ D 2 97.5 / T ¤ 7.0 3 ¤ T ¤ 40.
Coated metal sheet, method for producing same, and exterior building material
HARA TAKETO (author) / UEDA KOICHIRO (author) / SAKATO KENJI (author) / YAMAGUCHI HIROKI (author)
2019-08-06
Patent
Electronic Resource
English
IPC:
B05D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
,
Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C09D
Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke
,
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL
/
E04C
STRUCTURAL ELEMENTS
,
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