C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 3/10 (2006.01) C08K 5/00 (2006.01) C08L 3/00 (2006.01) C08L 3/02 (2006.01) C08L 3/04 (2006.01) C08L 3/08 (2006.01) C08L 3/12 (2006.01)
Patent
CA 2295799
The invention relates to homogeneous mixtures which can be processed thermoplastically into biodegradable, physiologically harmless moulded bodies, such as packaging for food or pharmaceutical products, sausage skins and similar. The inventive mixtures contain dialdehyde starch with a degree of oxidation of more than 30 % starch, said dialdehyde starch showing no iodine- starch reaction, and modified starch, water and other plasticisers, and optionally, other biopolymers and additives.
L'invention concerne des mélanges homogènes, pouvant être transformés de façon thermoplastique en corps moulés biodégradables, présentant une innocuité physiologique, par exemple sous forme d'emballages pour denrées alimentaires ou produits pharmaceutiques, boyaux à saucisses ou similaires. Ces mélanges contiennent de l'amidon dialdéhydique avec un taux d'oxydation supérieur à 30 % d'amidon, ne présentant aucune réaction iode-amidon, et contiennent de l'amidon modifié, de l'eau et d'autres plastifiants ainsi qu'éventuellement d'autres biopolymères et additifs.
Bengs Holger
Bohm Gitte
Grande Jurgen
Schneller Arnold
Schuth Silke
Aventis Research & Technologies Gmbh & Co Kg
Fetherstonhaugh & Co.
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