LIGHT-SHIELDING COATING MATERIAL, LIGHT-SHIELDING FILM, RESIN LENS HAVING LIGHT-SHIELDING FILM, AND METHOD FOR MANUFACTURING RESIN LENS

PROBLEM TO BE SOLVED: To provide a light-shielding coating material with improved adhesiveness to a resin lens, a light-shielding film obtained by using the light-shielding coating material, a resin lens having a light-shielding film, and a method for manufacturing the resin lens.SOLUTION: The light...

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Bibliographische Detailangaben
Hauptverfasser:	AKIMOTO KAZUMASA, FUJII TAKAHARU, MOTOMIYA SHINSUKE, SUGITA TAKEYA
Format:	Patent
Sprache:	eng
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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light-shielding coating material with improved adhesiveness to a resin lens, a light-shielding film obtained by using the light-shielding coating material, a resin lens having a light-shielding film, and a method for manufacturing the resin lens.SOLUTION: The light-shielding coating material contains a resin having a solubility parameter approximate to that of an optical resin that constitutes a resin lens, by 35 mass% or more with respect to the whole resin content. A light-shielding film 4 is formed on a resin lens by using the light-shielding coating material. The method for manufacturing the resin lens includes the steps of: forming a resin lens body; and forming the light-shielding film 4 by applying the light-shielding coating material on a portion of the obtained resin lens body excluding at least a lens surface.