METHOD OF PRODUCING A COMPOSITE MATERIAL, COMPOSITE MATERIAL PRODUCED ACCORDING TO SAID METHOD, MOLDED ARTICLES THAT CONSIST OF SUCH A COMPOSITE MATERIAL AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to a method of producing a composite material from a particulate foam that consists of a thermoplastic synthetic material and from at least one layer that is linked with said particulate foam. According to the inventive method, the pre-foamed particles are heated to a temperatu...

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Bibliographische Detailangaben
Hauptverfasser:	HOFMANN, KNUT, ZIEGLER, MAIK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS 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 relates to a method of producing a composite material from a particulate foam that consists of a thermoplastic synthetic material and from at least one layer that is linked with said particulate foam. According to the inventive method, the pre-foamed particles are heated to a temperature in the range of the melting temperature and are interlinked to a molded body. They are also linked with the layer during said step or afterwards. The inventive method is also characterized in that a particulate foam from an polyalkylene terephthalate or a polyalkylene terephthalate blend with a low crystallite portion in an otherwise amorphous phase is used. The particulate foam is tempered while the molded body is produced or while it is linked with the layer and/or afterwards at a temperature that induces the formation of a higher crystallite portion from the amorphous phase.