Polyamide-imide resin composition for lubricating coating material

Provided is a polyamide-imide resin composition for lubricating coating materials which retains the excellent heat resistance (i.e., high glass transition temperature) and mechanical strength (i.e., high modulus) inherent in polyamide-imide resins and in which the resin has excellent solubility in t...

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Bibliographische Detailangaben
Hauptverfasser:	YANE TAKEHISA, SHIMENO KATSUYA, HATTORI TAKAHIRO, TANIGAWA MASAHITO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES FUELS INKS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Provided is a polyamide-imide resin composition for lubricating coating materials which retains the excellent heat resistance (i.e., high glass transition temperature) and mechanical strength (i.e., high modulus) inherent in polyamide-imide resins and in which the resin has excellent solubility in the solvents including gamma-butyrolactone, which is a non-amide solvent, and the dissolved state can be maintained for a long time even when the solvents are in the state of being apt to easily absorb moisture. The polyamide-imide resin composition for lubricating coating materials is characterized by containing a polyamide-imide resin that contains the repeating unit represented by formula [I] in an amount of 50 mol% or more of all the repeating units contained in the structure of the polyamide-imide resin and by containing gamma-butyrolactone and 1,3-dimethyl-2-imidazolidinone as solvents.