POLYAMIC ACID SOLUTION COMPOSITION AND POLYIMIDE

The present invention relates to a polyamic acid solution composition, which is obtained by reacting a tetracarboxylic acid component comprising at least 50 mol% of a fluorine atom-containing tetracarboxylic dianhydride and a diamine component comprising at least 50 mol% of a fluorine atom-containin...

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Bibliographic Details
Main Authors NAKAYAMA TAKESHIGE, KITAYAMA NAOKI, NAKAYAMA TOMONORI, KAMINE TETSUJI
Format Patent
LanguageEnglish
Korean
Published 08.01.2015
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Summary:The present invention relates to a polyamic acid solution composition, which is obtained by reacting a tetracarboxylic acid component comprising at least 50 mol% of a fluorine atom-containing tetracarboxylic dianhydride and a diamine component comprising at least 50 mol% of a fluorine atom-containing diamine in a solvent and adding to the resulting polyamic acid solution a colloidal solution of colloidal silica dispersed in an organic solvent such that the amount of the silica is 1 to 100 parts by mass per a total of 100 parts by mass of the tetracarboxylic acid component and the diamine component.
Bibliography:Application Number: KR20147032506