SYSTEM UND VERFAHREN ZUR VERBESSERUNG DER HAFTUNG UND DER VERSCHLEIßFESTIGKEIT MITHILFE EINES VORDERSEITENÜBERTRAGUNGSVERFAHRENS ZUR HERSTELLUNG VON MEHRFACH BESCHICHTETEN, PHOTOCHROMEN OPTISCHEN LINSEN

A novel photochromic latex formulation is provided, in one embodiment involving the addition of a polyurethane latex to a polyphasic latex, the formulation having improved adhesion qualities, in particular, adhesion onto a hard coat layer. In a preferred embodiment, the polyurethane latex is 20% by...

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Bibliographische Detailangaben
Hauptverfasser: MOSSE, HERBERT, BORGHARKAR, NARENDRA
Format: Patent
Sprache:ger
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Zusammenfassung:A novel photochromic latex formulation is provided, in one embodiment involving the addition of a polyurethane latex to a polyphasic latex, the formulation having improved adhesion qualities, in particular, adhesion onto a hard coat layer. In a preferred embodiment, the polyurethane latex is 20% by weight of the formulation. In addition, an optical article is provided having a coating including a novel photochromic latex formulation in accordance with the present invention, applied via a Front Side Transfer process.