Urethane-modified polyimide resin solution

The present invention addresses the problem of providing a novel urethane-modified polyimide resin solution that uses absolutely no high boiling-point, highly hygroscopic polar solvent. A urethane-modified polyimide resin solution containing: a urethane-modified polyimide resin (A) containing 30-90...

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Bibliographische Detailangaben
Hauptverfasser:	TANIGAWA, MASAHITO, HAMANO, MASAMI, HATTORI, TAKAHIRO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING CORRECTING FLUIDS DYES FILLING PASTES HANDLING THIN OR FILAMENTARY MATERIAL INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing a novel urethane-modified polyimide resin solution that uses absolutely no high boiling-point, highly hygroscopic polar solvent. A urethane-modified polyimide resin solution containing: a urethane-modified polyimide resin (A) containing 30-90 mol% of amide-imide units (i) constructed from a trimellitic acid derivative and an aromatic diisocyanate component and 10-70 mol% of urethane units (ii) constructed from a compound of a specific structure and an aromatic diisocyanate component, taking the total structural components of the urethane-modified polyimide resin (A) as 100 mol%; and one or more organic solvents (B) selected from the group consisting of cyclohexanone and cyclopentanone.