Recycling an organic-matrix composite material

The invention is directed to a method for recycling an organic-matrix composite material. The organic-matrix composite material comprises a first component comprising at least one organic matrix polymer and at least one solid second component being compatible with said first component and being stru...

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Bibliographische Detailangaben
Hauptverfasser:	FISCHER RUDOLF HARTMUT, WOUTERS MARIA ELIZABETH LOUISE
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 MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS 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 TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention is directed to a method for recycling an organic-matrix composite material. The organic-matrix composite material comprises a first component comprising at least one organic matrix polymer and at least one solid second component being compatible with said first component and being structurally different from said first component, wherein said at least one organic polymer has thermosetting properties at room temperature and wherein said polymer comprises thermally reversible cross-links The method of the invention comprises -heating the organic-matrix composite material to a temperature at which at least part of the thermally reversible cross-links cleave and at which temperature the first component as a viscosity of at most 500 Pa·s, as measured by oscillatory measurements on an Anton Paar MCR 301 rheometer using parallel plate geometry; and -separating the at least part of said first component from said second component.