Artigo de óptica comportando sobre uma de suas superfícies principais um revestimento externo hidrófobo e/ou oleófobo e processos de obtenção de um artigo de óptica e de aparamento de borda de uma lente oftálmica

The optical article of the invention is characterized in that it comprises on one of the main surfaces thereof an external hydrophobic and/or oleophobic coating, a dried temporary coating of a composition comprising, preferably consisting in, one or more aliphatic thermoplastic polyurethane(s) havin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATTHIEU KOSCHER, CHEFIK HABASSI
Format:	Patent
Sprache:	por
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The optical article of the invention is characterized in that it comprises on one of the main surfaces thereof an external hydrophobic and/or oleophobic coating, a dried temporary coating of a composition comprising, preferably consisting in, one or more aliphatic thermoplastic polyurethane(s) having a polyether or polyester backbone directly deposited onto the external hydrophobic and/or oleophobic coating. Application to ophthalmic lenses.