Biodegradable composition, preparation method and their...

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 67/04 (2006.01)

Patent

CA 2688516

The present invention is a formulation for the production of a biodegradable container based on polylactic acid, lignocellulose fibers, lubricating additives, plastifiers, crystallinity modifiers, compatibilizers and functional additives. The lignocellulose fibers can be wood fibers and/or grape marc fibers, with a content that can vary between 0% and 75% of the mixture in weight; the polylactic acid content can vary between 0% and 80% of the mixture in weight; and the content of lubricating additives, plastifiers, crystallinity modifiers, compatibilizers and functional additives can vary between 0% and 10% of the mixture in weight.

La présente invention porte sur une formulation pour la production d'un conteneur biodégradable à base d'acide polylactique, de fibres de lignocellulose, d'additifs lubrifiants, de plastifiants, de modificateurs de cristallinité, d'agents de compatibilité et d'additifs fonctionnels. Les fibres de lignocellulose peuvent être des fibres de bois et/ou des fibres de marc de raisin, avec une teneur qui peut varier entre 0 % et 75 % du mélange en poids; la teneur en acide polylactique peut varier entre 0 % et 80 % du mélange en poids; et la teneur des additifs lubrifiants, des plastifiants, des modificateurs de cristallinité, des agents de compatibilité et des additifs fonctionnels peut varier entre 0 % et 10 % du mélange en poids.

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