Granulado expansible de poliamida

The invention relates to expandable granules, containing A) a polymer matrix consisting of A1) at least 55 wt % of polyamide (based on the sum of components A1) and A2)) having crystallinity of up to 30%, optionally a melting temperature in the range of 100 to 340ºC, and a glass transition temperatu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAHN, Klaus, EXNER, Christian, KRIHA, Olaf, HINGMANN, Roland, RUCKDÄSCHEL, Holger, DESBOIS, Philippe, HOFMANN, Maximilian, WARZELHAN, Volker
Format:	Patent
Sprache:	spa
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 invention relates to expandable granules, containing A) a polymer matrix consisting of A1) at least 55 wt % of polyamide (based on the sum of components A1) and A2)) having crystallinity of up to 30%, optionally a melting temperature in the range of 100 to 340ºC, and a glass transition temperature in the range of 0 to 150ºC, and A2) 0 to 45 wt % of one or more thermoplastic polymers different from component A1); B) a physical blowing agent component and optionally further additives, wherein said expandable granules are suitable for producing a particulate foam for use in the automotive industry, aviation industry, building industry, packaging industry, sports and recreation industry, in transportation and/or in construction.