POLYIMIDE SOLUTION COMPOSITION

PROBLEM TO BE SOLVED: To provide a polyimide solution composition having flexibility and heat resistance equivalent to those of a siloxane-based material without using any siloxane-based material.SOLUTION: The polyimide solution composition is obtained by reacting a tetracarboxylic acid component wi...

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Hauptverfasser:	YAMASHITA HIROHISA, IKEGAMI OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyimide solution composition having flexibility and heat resistance equivalent to those of a siloxane-based material without using any siloxane-based material.SOLUTION: The polyimide solution composition is obtained by reacting a tetracarboxylic acid component with a diamine component containing a diamine compound represented by formula (1). In the formula (1): A is a 4-valent saturated hydrocarbon residue and may have a straight-chain structure or a ring structure; Rand Rare each a 1-20C alkylene group; and Rand Rare each a 1-20C straight-chain alkyl group.