PRODUCTION OF WEATHER-RESISTANT THERMALLY CURABLE POLYURETHANE POWDER MOLDING MATERIAL

Prepn. of thermosetting, weather-resistant PUR powder compsns., consisting of (a) (cyclo)aliphatic polyisocyanate(s) with an NCO functionality of 2-6, (b) blocking agent(s) for the NCO gps., (c) polyol(s) with an OH functionality of 2-5 and (d) opt. other ancillaries and additives, comprises mixing...

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Bibliographische Detailangaben
Hauptverfasser:	FUERITSUKUSU SHIYUMITSUTO, ERUMAARU BUORUFU, RAINAA GURASU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES 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 PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Prepn. of thermosetting, weather-resistant PUR powder compsns., consisting of (a) (cyclo)aliphatic polyisocyanate(s) with an NCO functionality of 2-6, (b) blocking agent(s) for the NCO gps., (c) polyol(s) with an OH functionality of 2-5 and (d) opt. other ancillaries and additives, comprises mixing and reacting the components in a kneader or extruder, using 0.7-1 OH equiv. polyol and 0.5-1 mole oxime (b) per NCO equiv..