Method for manufacturing products with natural polymers, and...

B - Operations – Transporting – 29 – C

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B29C 45/16 (2006.01) B29C 33/60 (2006.01) B65D 43/16 (2006.01) C08J 7/04 (2006.01) C08L 3/02 (2006.01)

Patent

CA 2358956

A method for manufacturing products, wherein a mass, comprising at least natural polymers such as starch, is brought into or through a mold and the mass in the mold is heated, such that this involves at least cross-linkage of the natural polymers, while of at least one first part of the product, the material composition is influenced such that the material properties of the relevant first part deviate from the material properties of parts adjoining said part.

L'invention concerne un procédé de fabrication de produits, selon lequel on fait passer une masse contenant au moins des polymères naturels, tels que l'amidon, dans un moule ou au travers de ce dernier. La masse est chauffée de façon à entraîner au moins une réticulation des polymères naturels, alors que, concernant au moins une première partie du produit, la composition de la matière est traitée de façon que les propriétés de la matière de cette première partie ne diffèrent pas des propriétés de la matière des parties jouxtant cette première partie.

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