Cellulose ester film, its manufacturing method, polarizing plate, and liquid crystal display
AssigneeKonica Corporation
InventorsKunio Shimizu, Takashi Murakami, Toru Kobayashi
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Abstract
A cellulose ester film and its manufacturing method are disclosed, the cellulose ester film comprising a compound represented by the following formula (1) in an amount of from 1 to 30% by weight, 1 wherein Y represents an ester bond or a divalent organic group containing an ester bond, Ra and Rb independently represent a substituent, and m and n independently represent an integer of 0 to 5, provided that when m or n is not less than 2, plural Ras or Rbs may be the same or different.
Claims20
A cellulose ester film comprising a compound represented by the following formula (1) in an amount of 1 to 30% by weight
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- wherein Y represents an ester bond or a divalent organic group containing an ester bond, Ra and Rb independently represent a substituent, and m and n independently represent an integer of from 0 to 5, provided that when m or n is not less than 2, plural Ras or Rbs may be the same or different.
A method of manufacturing a cellulose ester film according to a solution cast film manufacturing process, the method comprising the steps of casting on a support a cellulose ester solution comprising a compound represented by formula (1) above to form a web on the support, drying the web for 30 to 90 seconds on the support, peeling the web from the support, and further drying the peeled web.
Dependencies are inferred from the claim text.