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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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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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. 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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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