PRODUCTION OF CASTING MOLD

PURPOSE:To efficiently provide a casting mold which is improved in a parting property and has smooth surfaces by introducing aggregate coated with a specific resin and isocyanate compd. into a molding flask and molding this aggregate, then introducing a curing catalyst into the molding flask. CONSTI...

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Bibliographische Detailangaben
Hauptverfasser:	HONMA TSUKASA, HANATAKE YOSHIRO, OKUYAMA SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FOUNDRY MOULDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To efficiently provide a casting mold which is improved in a parting property and has smooth surfaces by introducing aggregate coated with a specific resin and isocyanate compd. into a molding flask and molding this aggregate, then introducing a curing catalyst into the molding flask. CONSTITUTION:The granular refractory aggregate is coated by using a binder prepd. by adding the phenolic resin, the polyisocyanate compd., the monoisocyanate compd. having a long chain alkyl group and a solvent at need to the binder. This aggregate is introduced into the molding flask by blowing of air, etc., and is molded. The curing catalyst is introduced into the molding flask to cure the aggregate. The molding is then parted from the flask, by which the casting mold is produced. As a result, the parting property at the time of parting is improved and the accumulation of stains in the molding flask at the time of continuous casting is lessened.