Method for use of recycled lignocellulosic composite materials

Details Method for use of recycled lignocellulosic composite materials Method for use of recycled lignocellulosic composite materials

B - Operations, Transporting

27

N

B27N 1/00 (2006.01) B27N 3/00 (2006.01) B27N 3/28 (2006.01)

Patent

CA 2272714

Materials for use in forming composite products are prepared from recycled composite materials and treated by hydrothermal treatment at 40 ~C to 120 ~C along with or followed by high shear treatment. The process enables the use of recycled materials not hitherto usable successfully and it is possible to form composite products with less or no additional bonding resin.

L'invention concerne des matières destinées à être utilisées dans la fabrication de produits composites. Ces matières sont formées de matières composites recyclées et soumises à un traitement hydrothermique à une température comprise entre 40 et 120 ·C, et à un traitement de cisaillement élevé, les deux traitements étant simultanés ou successifs. Le procédé permet l'utilisation de matières recyclées jusqu'ici inutilisables pour la formation de produits composites ne contenant pas de résine adhésive ajoutée ou en contenant dans une quantité moindre.

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