OPTICAL ARTICLE CONTAINING A SELF-HEALING COATING AND IMPROVED INITIAL HAZE
The present invention is drawn to an optical article comprising: (a) a polycarbonate substrate, (b) a non-tintable intermediate coating, and (c) a transparent self-healing outer coating obtained by drying and curing a composition comprising at least one polycarbonate polyol, at least one polyisocyan...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention is drawn to an optical article comprising: (a) a polycarbonate substrate, (b) a non-tintable intermediate coating, and (c) a transparent self-healing outer coating obtained by drying and curing a composition comprising at least one polycarbonate polyol, at least one polyisocyanate, at least one solvent and at least one surfactant. |
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