ANTI-FOGGING METHOD

PURPOSE:To impact long-lasting anti-fogging properties to a substrate, by applying an aq. soln. consisting of polyvinylpyrrolidone and a particular reactive surfactant to the surface of a substrate of a glass, a plastic, etc., irradiating the coated substrate with electron beams in the presence of w...

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Bibliographische Detailangaben
Hauptverfasser:	GOCHO HIROSHI, KUSAKA YUKIO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DYES GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To impact long-lasting anti-fogging properties to a substrate, by applying an aq. soln. consisting of polyvinylpyrrolidone and a particular reactive surfactant to the surface of a substrate of a glass, a plastic, etc., irradiating the coated substrate with electron beams in the presence of water and drying the whole. CONSTITUTION:An aq. soln. consisting of polyvinylpyrrolidone and a reactive surfactant having in its structure a polymerizable unsatd. double bond is applied to the surface of a substrate. The coated substrate is irradiated with electron beams in the presence of water, and the whole is dried. Representative examples of the reactive surfactant having in its molecule a polymerizable unsatd. double bond include compds. of formulae I and II having hydrophilic effects. The mixing ratio of the polyvinylpyrrolidone to the reactive surfactant is such that about 0.01-30pts. of the surfactant is added to 100pts. (in terms of the wt. of solid contents) of polyvinylpyrrolidone.