EPOXY STABILIZATION USING ACID-COATED NITROGEN-CONTAINING CATALYSTS, PARTICLES, AND METHODS

A catalyst-containing particle including a core and an acidic coating layer thereon, wherein the core includes a nitrogen-containing catalyst for a thermoset polymeric system, and the acidic coating layer comprises a binder; and a method of making such particles. A curable, one-part epoxy/thiol resi...

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Hauptverfasser: Kryger, Matthew J, Heinzen, Luke E, Kropp, Michael A, Sahouani, Hassan, Lin, Ying, Kemling, Jonathan W
Format: Patent
Sprache:eng
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Zusammenfassung:A catalyst-containing particle including a core and an acidic coating layer thereon, wherein the core includes a nitrogen-containing catalyst for a thermoset polymeric system, and the acidic coating layer comprises a binder; and a method of making such particles. A curable, one-part epoxy/thiol resin composition that includes: an epoxy/thiol resin mixture including: an epoxy resin component that includes an epoxy resin having at least two epoxide groups per molecule; a thiol component that includes a polythiol compound having at least two primary thiol groups; and catalyst-containing particles dispersed in the epoxy/thiol resin mixture; wherein each particle includes a core and an acidic coating layer thereon, wherein the core includes a nitrogen-containing catalyst for the epoxy resin; and a method of curing such curable composition.