Polarizer films comprising aromatic liquid crystalline polymers comprising dichroic dyes in their main chains
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United States of America Patent
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May 5, 1998
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N/A
app pub date -
Nov 21, 1995
filing date -
Nov 21, 1995
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Expired
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Abstract
This invention provides novel liquid crystalline polymers which comprise, in the repeat units of their main chains, residues of suitable dichroic dyes. The polymers yield polarizer films with superior polarizing efficiency, transmittance, dichroic ratio, and thermal and humidity stability. The invention further discloses suitable processes to prepare such polymers and polarizer films therefrom.
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