Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1997-01-07
1999-06-29
Nakarani, D. S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428213, 428215, 428217, 428412, 4284233, 4284244, 428520, 428522, B32B 702, B32B 2730
Patent
active
059166690
ABSTRACT:
An abrasion resistant, radiation or heat curable dual composition is applied to a polymer substrate, such as an opthamlic lens. An abrasion enhancement layer is deposited on a surface of the substrate. The abrasion enhancement layer has a modulus of M.sub.1 and a Shore A value of 50 or less. A top coating is deposited on the abrasion enhancement layer. It has a modulus of M.sub.2 that is greater than M.sub.1. The top coating has an abrasion resistance Bayer Haze Gain ratio of 1.0 or greater.
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Lam Anthony
Le Nam Thanh
Parker Theodore L.
Soane David S.
2C Optics, Inc.
Nakarani D. S.
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