Colored polyimide molded article, and process for production thereof
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United States of America Patent
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Feb 27, 2018
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Apr 8, 2016
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Oct 9, 2009
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Abstract
Disclosed is a process for production of a colored polyimide molded article including the steps of molding a polyamic acid solution composition containing a polyamic acid solution obtained from at least a tetracarboxylic acid component and a diamine component and a coloring precursor, or a polyimide solution composition containing a polyimide solution and a coloring precursor; and then thermally treating a molded product at 250° C. or higher.
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