A sheet and product based on foamed shaped starch

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 9/12 (2006.01) B32B 17/12 (2006.01) C08L 3/00 (2006.01) C08L 3/02 (2006.01)

Patent

CA 2399964

Materials in the form of foam sheet comprising destructured or complexed starch expanded as a continuous phase, having a density lying between 20 and 150 kg/m3, cell dimensions in the range lying between 25 and 700 µm and with a cell distribution such that 80 % of them have a dimension lying between 20 and 400 µm in the absence of stretching.

L'invention concerne des matériaux sous forme d'une feuille de mousse, comprenant de l'amidon déstructuré ou complexé, expansé en phase continue, dont la masse volumique va de 20 à 150 kg/m3, la dimension alvéolaire est de 25 à 700 µm et la répartition des alvéoles est telle que 80 % d'entre elles ont une dimension oscillant entre 20 et 400 µm en l'absence d'étirement.

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