Processes for producing coating fluid and optically anisotropic film
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United States of America Patent
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May 31, 2011
Grant Date -
Mar 18, 2010
app pub date -
Aug 26, 2008
filing date -
Sep 26, 2007
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Abstract
A process for the producing a coating fluid of the present invention comprises a step of adjusting a pH of the coating fluid by mixing ammonium hydroxide into an acid solution containing a lyotropic liquid crystal compound and a solvent. Further, a process for the producing an optically anisotropic film of the present invention comprises a step of obtaining an optically anisotropic film by casting the coating fluid produced by the aforementioned process for production of the coating fluid in a thin film state, followed by drying.
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