COMPOSITE PARTICLES FOR CURING EPOXY RESIN COMPOSITIONS AND CURABLE AND CURED EPOXY RESIN COMPOSITIONS PREPARED USING THE PARTICLES
Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a curing agent and/or a curing catalyst for an epoxy resin positioned within the porous polymeric core particle, and a fluoropolymer-containing co...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English French |
Published |
02.11.2017
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Abstract | Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a curing agent and/or a curing catalyst for an epoxy resin positioned within the porous polymeric core particle, and a fluoropolymer-containing coating layer around the porous polymeric core particle. Additionally, curable compositions are provided that are mixtures containing an epoxy resin and the composite particles. The epoxy resin typically does not react until the curable composition is heated causing the release of the curing agent and/or curing catalyst from the composite particle. Further, cured compositions formed from the curable composition are provided.
L'invention concerne des particules composites qui peuvent être utilisées pour durcir des résines époxy. Plus particulièrement, les particules composites présentent une particule de noyau polymère poreux, un agent de durcissement et/ou un catalyseur de durcissement pour une résine époxy situé à l'intérieur de la particule de noyau polymère poreux et une couche de revêtement contenant un polymère fluoré autour de la particule de noyau polymère poreux. De plus, l'invention concerne des compositions durcissables qui sont des mélanges contenant une résine époxy et les particules composites. La résine époxy ne réagit habituellement pas jusqu'à ce que la composition durcissable soit chauffée, ce qui provoque la libération de l'agent de durcissement et/ou du catalyseur de durcissement à partir de la particule composite. En outre, l'invention concerne des compositions durcies formées à partir de la composition durcissable. |
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AbstractList | Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a curing agent and/or a curing catalyst for an epoxy resin positioned within the porous polymeric core particle, and a fluoropolymer-containing coating layer around the porous polymeric core particle. Additionally, curable compositions are provided that are mixtures containing an epoxy resin and the composite particles. The epoxy resin typically does not react until the curable composition is heated causing the release of the curing agent and/or curing catalyst from the composite particle. Further, cured compositions formed from the curable composition are provided.
L'invention concerne des particules composites qui peuvent être utilisées pour durcir des résines époxy. Plus particulièrement, les particules composites présentent une particule de noyau polymère poreux, un agent de durcissement et/ou un catalyseur de durcissement pour une résine époxy situé à l'intérieur de la particule de noyau polymère poreux et une couche de revêtement contenant un polymère fluoré autour de la particule de noyau polymère poreux. De plus, l'invention concerne des compositions durcissables qui sont des mélanges contenant une résine époxy et les particules composites. La résine époxy ne réagit habituellement pas jusqu'à ce que la composition durcissable soit chauffée, ce qui provoque la libération de l'agent de durcissement et/ou du catalyseur de durcissement à partir de la particule composite. En outre, l'invention concerne des compositions durcies formées à partir de la composition durcissable. |
Author | LIN, Ying SAHOUANI, Hassan KROPP, Michael A MAHONEY, Wayne S CARUSO DAILEY, Mary M KEMLING, Jonathan W HEINZEN, Luke E SAVU, Patricia M |
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DocumentTitleAlternate | PARTICULES COMPOSITES POUR DURCIR DES COMPOSITIONS DE RÉSINE ÉPOXY ET COMPOSITIONS DE RÉSINE ÉPOXY DURCISSABLES ET DURCIES PRÉPARÉES À L'AIDE DES PARTICULES |
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RelatedCompanies | 3M INNOVATIVE PROPERTIES COMPANY |
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Snippet | Composite particles are provided that can be used to cure epoxy resins. More particularly, the composite particles have a porous polymeric core particle, a... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
Title | COMPOSITE PARTICLES FOR CURING EPOXY RESIN COMPOSITIONS AND CURABLE AND CURED EPOXY RESIN COMPOSITIONS PREPARED USING THE PARTICLES |
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