Arundo donax pulp, paper products, and particle board

Details Arundo donax pulp, paper products, and particle board Arundo donax pulp, paper products, and particle board

D - Textiles, Paper

21

C

D21C 1/06 (2006.01) B27J 1/00 (2006.01) B27L 11/02 (2006.01) B27L 11/08 (2006.01) D21B 1/00 (2006.01) D21C 5/00 (2006.01) D21C 11/12 (2006.01)

Patent

CA 2339064

Composite panels and pulp, and paper products of the pulp, are produced from Arundo donax. In the fabrication of the composite panels, Arundo donax is comminuted (20) to a suitable size, combined with a binder (40, 50), and consolidated (80) into panels that meet standards for construction and/or furniture grade panels. The Arundo donax particulates may be combined with wood particulates to produce a mixed furnish that can be used in the preparation of composite panels. Comminuted Arundo donax is treated, in conventional pulping processes, to produce a high tensile strength pulp that can be used in the production of paper. The pulp has a lighter color than wood pulp, and thereby uses less bleaching chemicals to achieve a desired whiteness. The pulp can be combined with wood pulp to produce a variety of products.

L'invention porte sur des panneaux composites, de la pâte à papier et des produits de papier à base d'Arundo donax. Pour la fabrication des panneaux, l'Arundo donax est finement broyé (20) jusqu'à l'obtention de la taille idoine, puis mélangé à un liant (40, 50), puis durci (80) ce qui donne des panneaux répondant aux normes de la construction et/ou de l'industrie du meuble. Les particules d'Arundo donax peuvent être mélangées à des particules de bois pour donner un produit mixte servant à la fabrication de panneaux composites. L'Arundo donax finement broyé, traité selon les procédés usuels de fabrication de pâte, donne une pâte résistante adaptée à la production de papier. La pâte, plus claire que la pâte de bois, demande moins d'agent de blanchiment pour obtenir la blancheur voulue; combinée à la pâte de bois, elle permet de produire une grande variété de produits.

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