FOAM MATERIAL PARTICLES BASED ON LONG-CHAIN POLYAMIDES

Foam particles that have a bulk density below 300 kg/m3 and are based on polyamides, including 85% to 100% by weight of at least one copolyamide obtainable by polymerizing the following components:(A) 15% to 84% by weight of at least one lactam,(B) 16% to 85% by weight of a monomer mixture (M) inclu...

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Bibliographic Details
Main Authors JOPP, Dennis, GUTMANN, Peter, REIL, Frank, AHLERS, Juergen
Format Patent
LanguageEnglish
French
German
Published 26.05.2021
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:Foam particles that have a bulk density below 300 kg/m3 and are based on polyamides, including 85% to 100% by weight of at least one copolyamide obtainable by polymerizing the following components:(A) 15% to 84% by weight of at least one lactam,(B) 16% to 85% by weight of a monomer mixture (M) including the following components:(B1) at least one C32-C40 dimer acid and(B2) at least one C4-C12 diamine,wherein the monomer mixture (M) includes in the range from 45 to 55 mol % of component (B1) and in the range from 45 to 55 mol % of component (B2), based on the total molar amount of the monomer mixture (M), and the sum total of the components of (A) and (B) is 100% by weight, and processes for production thereof.
Bibliography:Application Number: EP20190736753