METHOD FOR PREPARING FOAMED STRUCTURE

The present disclosure relates to a method for preparing a foamed structure, comprising: providing a preform prepared from one or more of thermoplastic materials, in which the preform has corresponding shape of the foamed structure; subjecting the preform to a first treatment with a first supercriti...

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Bibliographische Detailangaben
Hauptverfasser:	LUO, Zhenhuan, CAI, Xiongxiong, LIU, Fuqi
Format:	Patent
Sprache:	eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The present disclosure relates to a method for preparing a foamed structure, comprising: providing a preform prepared from one or more of thermoplastic materials, in which the preform has corresponding shape of the foamed structure; subjecting the preform to a first treatment with a first supercritical fluid at a first temperature and a first pressure; optionally, subjecting the preform treated with the first supercritical fluid to a second treatment with a second supercritical fluid at a second temperature and a second pressure; and foaming the resulting preform into a structure having predetermined shape and size.