Production method of polyimide solution and fluorinated polyimide solution
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United States of America Patent
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Jun 25, 2013
Grant Date -
Nov 11, 2010
app pub date -
Mar 10, 2006
filing date -
Mar 11, 2005
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Abstract
The invention aims to provide a method by which a solution of polyimide can be easily obtained. Further, the invention aims to provide a fluorinated polyimide solution by which fluorinated polyimide excellent especially as an optical material and an electronic functional material can easily be produced. The production method of the soluble polyimide solution according to invention is characterized by mixing a mixture containing a polyamide acid, a cyclodehydration reagent, and a solvent by a rotation-revolution mixing method. Further, the fluorinated polyimide solution of the invention is a solution of polyimide defined by the following formula (II):
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