Foundry binder of epoxy resin, acrylated polyisocyanate and acrylic monomer and/or polymer; and cold-box process

Described is a foundry binder addressing the problems of reduced flowability leading to reduced strength. The binder provides prolonged benchlife leading to higher tensile strength. The binder is produced from (a) an epoxy resin, (b) an acrylated polyisocyanate, (c) an acrylic monomer and/or polymer...

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Hauptverfasser: HENDERSHOT, GREG D, PASCARELLA, VINCENT J, DAMMANN, LAURENCE G, TOPLIKAR, EDWARD G
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Sprache:eng
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creator HENDERSHOT, GREG D
PASCARELLA, VINCENT J
DAMMANN, LAURENCE G
TOPLIKAR, EDWARD G
description Described is a foundry binder addressing the problems of reduced flowability leading to reduced strength. The binder provides prolonged benchlife leading to higher tensile strength. The binder is produced from (a) an epoxy resin, (b) an acrylated polyisocyanate, (c) an acrylic monomer and/or polymer and (d) an oxidizing agent. The binder is mixed with foundry aggregate and cured with a gaseous amine via a cold-box process to obtain a foundry shape useful as a mold for casting a metal article.
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subjects CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
COMPOSITIONS BASED THEREON
FOUNDRY MOULDING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
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
title Foundry binder of epoxy resin, acrylated polyisocyanate and acrylic monomer and/or polymer; and cold-box process
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