Composition for maintaining good color when thermally...

Details Composition for maintaining good color when thermally... Composition for maintaining good color when thermally...

C - Chemistry, Metallurgy

08

L

C08L 67/02 (2006.01) C08K 5/00 (2006.01) C08L 77/00 (2006.01)

Patent

CA 2695422

An article comprises a polyester polymer phase wherein the polyester polymer phase is at least 80% by weight of the composition of the article and the polyester polymer phase further comprises a sulfonated polyester polymer, at least 1% by weight of the article of a polyamide polymer, and a stabilizer. The stabilizer is present at a level of at least 100 parts stablilizer per million parts article, wherein at least 2% by weight of the total amount of stabilizer is present in the polyester polymer phase. The article may be e.g. a pellet, a fiber, a strand, a sheet, a film, a perform, a bottle, a ground flake or cube.

L'invention porte sur un article qui comprend une phase polymère polyester qui représentent au moins 80 % en poids de la composition de l'article et qui comprend en outre un polymère polyester sulfoné, au moins 1 % en poids de l'article d'un polymère polyamide, et un stabilisant. Le stabilisant est présent à raison d'au moins 100 parties de stabilisant par million de parties d'article, au moins 2 % en poids de la quantité totale du stabilisant étant présent dans la phase de polymère polyester. L'article peut être, par exemple, un comprimé, une fibre, un cordon, une feuille, un film, une préforme, une bouteille, un flocon broyé ou un cube.

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