HIGHLY TRANSPARENT POLYIMIDE PRECURSOR, AND POLYIMIDE PRECURSOR RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a polymer precursor exhibiting high transmittance for electromagnetic waves even to a shorter wavelength range though the polymer precursor has a part which sequences an unsaturated bond containing a -electron orbit and a single bond alternately.SOLUTION: There is pr...

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1. Verfasser:	SAKAYORI KATSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES ELECTROGRAPHY FILLING PASTES HOLOGRAPHY INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polymer precursor exhibiting high transmittance for electromagnetic waves even to a shorter wavelength range though the polymer precursor has a part which sequences an unsaturated bond containing a -electron orbit and a single bond alternately.SOLUTION: There is provided a polyimide precursor with an aromatic diamine represented by formula (3), and containing 2,2',6,6'-biphenyltetracarboxylic dianhydride as an acid component.