PROCESS FOR LAYERWISE CONSTRUCTION OF SHAPED BODIES WITH A NOVOLAC-POLYURETHANE-BASED BINDER SYSTEM

The invention relates to a method for the layerwise construction of bodies comprising at least one novolac in a solid, free-flowing form; an isocyanate component and a first solvent as a liquid component to be printed, wherein the solvent according to a preferred embodiment of the invention also has...

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Bibliographische Detailangaben
Hauptverfasser:	GIENIEC, Antoni, BARTELS, Dennis, HURKES, Natascha, KAMINSKI, Arkadius
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING CHEMISTRY COMPOSITIONS BASED THEREON FOUNDRY MOULDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a method for the layerwise construction of bodies comprising at least one novolac in a solid, free-flowing form; an isocyanate component and a first solvent as a liquid component to be printed, wherein the solvent according to a preferred embodiment of the invention also has a catalyst dissolved in the first solvent; a corresponding construction material mixture; a component system for producing the bodies by means of 3-D printing; and three-dimensional bodies produced according to this method in the form of molds and cores for metal casting.