PHOTOCATALYTICALLY HYDROPHILIFIABLE COATING COMPOSITION

A COMPOSITION IS DISCLOSED WHICH CAN HYDROPHILIFY THE SURFACE OF A MEMBER TO IMPART AN ANTIFOGGING PROPERTY TO THE SURFACE OF THE MEMBER. THE COMPOSITION FOR HYDROPHILIFYING THE SURFACE OF THE MEMBER COMPRISES AT LEAST (A) PHOTOCATALYTIC PARTICLES OF A METALLIC OXIDE, (B) A PRECURSOR CAPABLE OF FORM...

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Bibliographische Detailangaben
Hauptverfasser: MITSUYOSHI KANNO, MAKOTO HAYAKAWA
Format: Patent
Sprache:eng
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Zusammenfassung:A COMPOSITION IS DISCLOSED WHICH CAN HYDROPHILIFY THE SURFACE OF A MEMBER TO IMPART AN ANTIFOGGING PROPERTY TO THE SURFACE OF THE MEMBER. THE COMPOSITION FOR HYDROPHILIFYING THE SURFACE OF THE MEMBER COMPRISES AT LEAST (A) PHOTOCATALYTIC PARTICLES OF A METALLIC OXIDE, (B) A PRECURSOR CAPABLE OF FORMING A SILICONE RESIN FILM OR A PRECURSOR CAPABLE OF FORMING A SILICA FILM, AND (C) A SOLVENT, THE TOTAL CONTENT OF THE PHOTOCATALYTIC PARTICLE AND THE SOLID MATTER OF THE PRECURSOR IN THE COMPOSITION BEING 0.01 TO 5BY WEIGHT. THE HYDROPHILIC PROPERTY CAN BE IMPARTED SIMPLY BY APPLYING THE COMPOSITION ONTO A MEMBER AND DRYING OR HEATING THE COMPOSITION APPLIED TO THE MEMBER. THE RESULTANT HYDROPHILIC THIN FILM IS TRANSPARENT AND, HENCE, DOES NOT SACRIFICE THE TRANSPARENCY AND APPEARANCE OF A MEMBER REQUIRED TO BE TRANSPARENT. FURTER, THE SURFACE OF A MEMBER WITH THE ABOVE COMPOSITION APPLIED THERETO HAS SUCH A PROPERTY THAT WATER DROPLETS ADHERED THEREON CAN BE IMMEDIATELY REMOVED BY VAPORIZATION AND THE SURFACE IS LESS LIKELY TO BE SOILED AND, EVEN WHEN A CONTAMINANT IS ADHERED THEREON, CAN EASILY RELEASE THE CONTAMINANT THEREFROM.