Method for recycling thermoset resin materials

A method of recycling a thermoset resin is provided, which involves contacting at least a portion of the thermoset resin with a decomposer having at least one functional group capable of reacting at a crosslink site on the thermoset resin, under conditions sufficient to break the crosslink site, to...

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Bibliographische Detailangaben
Hauptverfasser:	THAI CAO MINH, GOTANDA TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A method of recycling a thermoset resin is provided, which involves contacting at least a portion of the thermoset resin with a decomposer having at least one functional group capable of reacting at a crosslink site on the thermoset resin, under conditions sufficient to break the crosslink site, to give a fluid thermoset preresin, wherein a plurality of chain ends of the preresin have functional groups thereon; andre-hardening the fluid thermoset preresin by reacting the plurality of chain ends with a rehardener having two or more groups reactive with the chain end functional groups.