Coating composition, preparation methods of the coating composition and polyimide resin wherein the coating composition includes polyamic acid and a solvent

The object of the present invention is to provide a coating composition capable of forming a polyimide resin having less coloration and excellent mechanical properties, a method for producing the coating composition, and a method for producing a polyimide resin using the coating composition. The sol...

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Bibliographische Detailangaben
Hauptverfasser:	TADOKORO, YOSHINORI, SAIJO, HIDEKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	The object of the present invention is to provide a coating composition capable of forming a polyimide resin having less coloration and excellent mechanical properties, a method for producing the coating composition, and a method for producing a polyimide resin using the coating composition. The solution of the present invention includes a coating composition of polyamic acid (A) and a solvent (S), wherein the polyamic acid (A) includes polymers of alicyclic tetracarboxylic dianhydride (A1-1), a small amount of aromatic tetracarboxylic acid dianhydride (A1-2) and aromatic diamine compound (A2).