AQUEOUS COMPOSITION, AQUEOUS COATING MATERIAL, COATING FILM, AND COATED PRODUCT

PROBLEM TO BE SOLVED: To provide a composition that can form a coating film capable of maintaining appearance, contamination resistance, resistance to contamination derived from sealing and resistance to contamination by organisms at a high level over a long period of time without impairing appearan...

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Bibliographische Detailangaben
Hauptverfasser:	AOYANAGI NAOHISA, TAKENO KAZUTAKA, TSUKIMORI YASUYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a composition that can form a coating film capable of maintaining appearance, contamination resistance, resistance to contamination derived from sealing and resistance to contamination by organisms at a high level over a long period of time without impairing appearance even when using a deep-color base material.SOLUTION: An aqueous composition comprises (AD) a water dispersion of (A) a polymer having a number average particle size of 10 to 40 nm, (B) silicon dioxide and (C) an inorganic oxide having photocatalytic activity and has a mass ratio of the polymer (A) and the silicon dioxide (B) (the polymer(A)/the silicon dioxide (B)) of not less than 1/22 to less than 1/4.SELECTED DRAWING: None 【課題】濃色基材を用いた場合でも外観を損なわず、長期に亘って、外観、耐汚染性、シーリング汚染性、及び耐生物汚染性を高いレベルで維持できる塗膜が形成可能な組成物を提供する。【解決手段】数平均粒子径が１０〜４０ｎｍの重合体（Ａ）の水分散体（ＡＤ）と、二酸化珪素（Ｂ）と、光触媒活性を有する無機酸化物（Ｃ）と、を、含有し、前記重合体（Ａ）と、前記二酸化珪素（Ｂ）との質量比（重合体（Ａ）／二酸化珪素（Ｂ））が１／２２以上１／４未満である、水系組成物。【選択図】なし