THERMOPLASTIC COMPOSITION

A thermoplastic elastomer composition comprising a blend of (A) thermoplastic materials comprising (A1) a polyamide block copolymer and (A2) one or more thermoplastic organic polymers excluding (A1), with (B) a silicone composition comprising (B1) a silicone base comprising (B1a) a diorganopolysilox...

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Bibliographic Details
Main Authors BOUCARD, Sylvain, ARRIGONI, Aurelie
Format Patent
LanguageEnglish
French
German
Published 16.08.2023
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A thermoplastic elastomer composition comprising a blend of (A) thermoplastic materials comprising (A1) a polyamide block copolymer and (A2) one or more thermoplastic organic polymers excluding (A1), with (B) a silicone composition comprising (B1) a silicone base comprising (B1a) a diorganopolysiloxane polymer having a viscosity of at least 1000000 mPa·s at 25° C. and an average of at least 2 alkenyl groups per molecule, (B1b) a reinforcing filler in an amount of from 1 to 50% by weight of polymer (B1a), and (B2) an organohydrido silicone compound which contains an average of at least 2 silicon-bonded hydrogen groups per molecule, (C) a hydrosilylation catalyst, which composition may additionally optionally comprise (D) one or more additives; wherein the weight ratio (A):(B) is in the range 50:50 to 95:5, and wherein component B2 and C being present in an amount sufficient to cure said silicone composition B.
Bibliography:Application Number: EP20180701205