BLACK ZINC POWDER AND METHOD FOR PRODUCING THE SAME

To provide black zinc powder which can sufficiently exhibit both corrosion prevention performance and an infrared shielding effect.SOLUTION: All of total light reflectances of black zinc powder at wavelength of 800 nm, 1,400 nm and 2,000 nm measured by a spectrophotometer are 17% or less. All of tot...

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Bibliographische Detailangaben
Hauptverfasser:	SUEDA MANABU, OGATA HIRONOBU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide black zinc powder which can sufficiently exhibit both corrosion prevention performance and an infrared shielding effect.SOLUTION: All of total light reflectances of black zinc powder at wavelength of 800 nm, 1,400 nm and 2,000 nm measured by a spectrophotometer are 17% or less. All of total light resistances at wavelengths of 800 nm, 1,400 nm and 2,000 nm measured by a spectrophotometer of a coated film that contains black zinc powder and a melamine-alkyd resin in a mass ratio (black zinc powder/melamine-alkyd resin) of 0.6 and has a film thickness of 27 μm are 15% or less.SELECTED DRAWING: None 【課題】防食性能と赤外線の遮蔽効果とをともに充分に発揮することができる黒色亜鉛末を提供する。【解決手段】分光光度計で測定した波長８００ｎｍ、１４００ｎｍ、２０００ｎｍにおける全光光線反射率がいずれも１７％以下であることを特徴とする黒色亜鉛末。前記黒色亜鉛末とメラミン・アルキド樹脂とを質量比（黒色亜鉛末／メラミン・アルキド樹脂）が０．６の割合で含み、膜厚が２７μｍとなるように形成した塗膜を分光光度計で測定したときの波長８００ｎｍ、１４００ｎｍ、２０００ｎｍにおける全光光線透過率がいずれも１５％以下となる。【選択図】なし