TRANSPARENT POLYMERIC COMPOSITION

A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polya...

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Bibliographic Details
Main Authors SAILLARD, Benjamin, SABARD, Mathieu, BLONDEL, Philippe, MALET, Frédéric
Format Patent
LanguageEnglish
French
German
Published 24.08.2022
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 polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a 2 mm layer, a transmittance at 560 nm of 90% or more; and a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide and wherein the polymer in the form of core-shell particles has a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide. Also, a process for the manufacture of the composition, and the composition capable of being obtained by said process.
Bibliography:Application Number: EP20190806310