Manufacture of composite boards

Details Manufacture of composite boards Manufacture of composite boards

B - Operations, Transporting

27

N

B27N 1/00 (2006.01)

Patent

CA 2292661

Annual plant material such as straw is treated to improve bondability with composite forming bonding resins by subjecting to a liquid medium containing sufficient of a sufficiently strong acid, alkali or surfactant to remove substantially waxy or silica layers.

L'invention concerne un procédé de traitement pour matériau de plante annuelle (par exemple, paille) visant à améliorer la capacité de liaison dudit matériau avec des résines liantes pour la formation de composites, qui consiste à soumettre le matériau à l'action d'un milieu liquide contenant une quantité suffisante d'acide, d'alcali ou de tensio-actif suffisamment fort pour éliminer les couches sensiblement cireuses ou à base de silice.

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