FOUNDRY BINDERS ON THE BASIS OF PHENOLIC RESINS

Foundry binders comprising a) a novolak prepared by condensation of phenols with aldehydes, b) a silane, c) a diamide of a long-chain monocarboxylic acid, and optionally d) an aromatic carboxylic acid and a process for their production. The foundry binders obtained are particularly suitable for the...

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Bibliographische Detailangaben
Hauptverfasser:	PEZZOLI, SILVESTRO, VARGIU, SILVIO
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FOUNDRY MOULDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Foundry binders comprising a) a novolak prepared by condensation of phenols with aldehydes, b) a silane, c) a diamide of a long-chain monocarboxylic acid, and optionally d) an aromatic carboxylic acid and a process for their production. The foundry binders obtained are particularly suitable for the hot coating of foundry sand in the absence of solvents.