C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 3/06 (2006.01) A23G 4/08 (2006.01) C08K 5/103 (2006.01) C08L 23/06 (2006.01) C08L 51/06 (2006.01) C08L 75/08 (2006.01)
Patent
CA 2739047
The subject matter of the present invention is a thermoplastic or elastomeric composition, characterized in that: a) it exhibits a degree of biodegradability of less than 50%, preferably less than 30%, and b) it contains at least 0.5% and at most 99.95% by weight of an ester of a starchy material, which has a degree of ester substitution (DS) of between 1.6 and 3, and at least 0.05% by weight and at most 99.5% by weight of a polymer other than starch.
La présente invention a pour objet une composition thermoplastique ou élastomérique, caractérisée en ce que : a) elle présente un taux de biodégradabilité inférieur à 50%, de préférence inférieur à 30%, et b) elle contient au moins 0,5% et au plus 99,95% en poids d'un ester d'une matière amylacée, de degré de substitution en esters (DS) compris entre 1,6 et 3, et au moins 0,05% en poids et au plus 99,5% en poids d'un polymère autre que l'amidon.
Mentink Leon
Tripier Jacques
Roquette Freres
Smart & Biggar
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