Laminates comprising coextruded liquid crystal polymer films and discardable thermoplastic outside layers
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United States of America Patent
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Apr 28, 1998
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N/A
app pub date -
Dec 5, 1996
filing date -
Dec 5, 1996
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Expired
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Abstract
This invention discloses laminates comprising a liquid crystal polymer film inside and non-adherent, non-liquid crystalline polymer film on the outside, prepared by a process of coextrusion. Delamination of the outside layers yields a liquid crystal polymer film of superior surface quality. The invention is particularly suitable for preparing liquid crystal polymer-based polarizers with improved surface quality.
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