C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/26 (2006.01) C08J 5/00 (2006.01) C08L 77/06 (2006.01)
Patent
CA 2507451
A transparent amorphous polyamide which results from the condensation: of at least one diamine chosen from aromatic, arylaliphatic and cycloaliphatic diamines; of tetradecanedioic acid or of a mixture comprising at least 50 mol% of tetradecanedioic acid and at least one diacid chosen from aliphatic, aromatic and cycloaliphatic dicarboxylic acids. A composition further comprising, by weight, 1 to 100% of the preceding polyamide and 99 to 0% of a semicrystalline polyamide. Objects composed of the composition of the invention, such as panels, films, sheets, pipes, profiles or objects obtained by injection moulding. Objects covered with a transparent protective layer composed of the composition of the invention.
Polyamide amorphe et transparent résultant de la condensation : d'au moins une diamine choisie parmi des diamines aromatiques, arylaliphatiques et cycloaliphatiques; d'acide tétradécanedioïque ou d'un mélange d'au moins 50 % en mole d'acide tétradécanedioïque et d'au moins un diacide choisi parmi des diacides aliphatiques, aromatiques et cycloaliphatiques. Une composition comprenant aussi, en poids, de 1 à 100 % du polyamide précédent et de 99 à 0 % d'un polyamide semicristallin. Des objets en cette composition de l'invention, comme des panneaux, des films, des feuilles, des tuyaux, des profilés ou des objets obtenus pour moulage par injection. Objets recouverts d'une couche protectrice transparente en cette composition de l'invention.
Blondel Philippe
Bussi Philippe
Linemann Annett
Arkema
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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