Improvements in and relating to bio-degradable foamed products

Details Improvements in and relating to bio-degradable foamed products Improvements in and relating to bio-degradable foamed products

B - Operations, Transporting

29

C

B29C 44/02 (2006.01) B29C 35/08 (2006.01) B29C 44/12 (2006.01) B29C 44/18 (2006.01) B29C 44/34 (2006.01) B29C 35/00 (2006.01)

Patent

CA 2463921

The method provided produces a bio-degradable foamed material with qualities of uniformity of mechanical and physical properties throughout the product including a foam thickness of up to one metre and a finished foam surface suitable for packaging applications. The parameters for producing such a product are selected from a range of variables which includes wall thickness, mould material, use of a susceptor and the type and composition of a susceptor, the number and arrangement of magnetrons and mould shape. Complex shapes produced by the process are also disclosed.

Cette invention concerne un procédé de production d'un matériau expansé biodégradable présentant des qualités d'uniformité de propriétés mécaniques et physiques dans l'ensemble du produit, lequel présente une épaisseur de mousse pouvant atteindre un mètre, ainsi qu'une surface de mousse finie convenant à des applications d'emballage. Les paramètres de production d'un tel produit sont sélectionnés dans une gamme de variables comprenant l'épaisseur de la paroi, le matériau de moulage, l'utilisation d'un matériau interactif et le type ainsi que la composition de ce matériau interactif, le nombre et la disposition de magnétrons et la forme du moule. Cette invention concerne également des formes complexes produites par le procédé de la présente invention.

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