Method of imparting impact resistance to a plastic ophthalmic lens, compositions for use therein and a lens prepared thereby
A method is disclosed for imparting impact resistance to a plastic ophthalmic lens. The method consists of applying a coating of a multifunctional acrylate in a solvent mixture to the back surface of the lens, and curing the multifunctional acrylate to form an impact resistance imparting coat. The m...
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creator | SIDNEY S WHITE HOA T DANG KELLY BENJAMIN ROBERT A VALERI SHEILA M TATMAN JULIE S BERZON |
description | A method is disclosed for imparting impact resistance to a plastic ophthalmic lens. The method consists of applying a coating of a multifunctional acrylate in a solvent mixture to the back surface of the lens, and curing the multifunctional acrylate to form an impact resistance imparting coat. The multifunctional acrylate preferably has at least about 40%, by weight, of a difunctional acrylate. The multifunctional acrylate preferably has a glass transition temperature less than about 60 DEG C. Lenses with an impact resistance imparting coat on the back, and an abrasion resistant coat on at least the front of the lens, are also disclosed. |
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The method consists of applying a coating of a multifunctional acrylate in a solvent mixture to the back surface of the lens, and curing the multifunctional acrylate to form an impact resistance imparting coat. The multifunctional acrylate preferably has at least about 40%, by weight, of a difunctional acrylate. The multifunctional acrylate preferably has a glass transition temperature less than about 60 DEG C. Lenses with an impact resistance imparting coat on the back, and an abrasion resistant coat on at least the front of the lens, are also disclosed.</description><edition>7</edition><language>eng</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; CONTACT LENSES ; 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 ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>2000</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000330&DB=EPODOC&CC=AU&NR=717729B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000330&DB=EPODOC&CC=AU&NR=717729B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SIDNEY S WHITE</creatorcontrib><creatorcontrib>HOA T DANG</creatorcontrib><creatorcontrib>KELLY BENJAMIN</creatorcontrib><creatorcontrib>ROBERT A VALERI</creatorcontrib><creatorcontrib>SHEILA M TATMAN</creatorcontrib><creatorcontrib>JULIE S BERZON</creatorcontrib><title>Method of imparting impact resistance to a plastic ophthalmic lens, compositions for use therein and a lens prepared thereby</title><description>A method is disclosed for imparting impact resistance to a plastic ophthalmic lens. 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The method consists of applying a coating of a multifunctional acrylate in a solvent mixture to the back surface of the lens, and curing the multifunctional acrylate to form an impact resistance imparting coat. The multifunctional acrylate preferably has at least about 40%, by weight, of a difunctional acrylate. The multifunctional acrylate preferably has a glass transition temperature less than about 60 DEG C. Lenses with an impact resistance imparting coat on the back, and an abrasion resistant coat on at least the front of the lens, are also disclosed.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CONTACT LENSES 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 SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES USE OF MATERIALS THEREFOR WOODSTAINS |
title | Method of imparting impact resistance to a plastic ophthalmic lens, compositions for use therein and a lens prepared thereby |
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