EXPANSIBLE BEADS OF POLYAMIDE

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...

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Bibliographic Details
Main Authors RUCKDÄSCHEL, HOLGER, HINGMANN, ROLAND, HAHN, KLAUS, WARZELHAN, VOLKER, KRIHA, OLAF, DESBOIS, PHILIPPE, EXNER, CHRISTIAN, HOFMANN, MAXIMILIAN
Format Patent
LanguageEnglish
Polish
Published 29.08.2022
Subjects
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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Summary: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.
Bibliography:Application Number: PL20110716909T