B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 1/00 (2006.01) C08H 8/00 (2010.01) B27N 3/04 (2006.01) C08L 97/02 (2006.01) C08L 61/06 (2006.01)
Patent
CA 2184268
In manufacturing fibreboard, it is known to press mixtures of lignocellulosic material and binding agents to form a board product. In this invention, an improved process for manufactur- ing fibreboard is disclosed including the step of adding a solution of maleic anhydride and glycerol (26) to the lignocellusic ma- terial prior to refining (20) thereof. The binder used is preferably phenolic-formaldehyde resin, in which case post-heating may be beneficial.
Pour fabriquer un panneau de fibres, on sait presser des mélanges d'un matériau lignocellulosique et de liants. L'invention concerne un procédé amélioré de fabrication de panneaux de fibres qui implique une étape où l'on ajoute une solution d'anhydride maléique et de glycérol (26) à ce matériau lignocellulosique avant son raffinage (20). Le liant utilisé est de préférence une résine phénolique-formaldéhyde, ce qui peut rendre un chauffage ultérieur bénéfique.
Midnorth Forest Industry Alliance Inc.
Shisko Walter S.
Smart & Biggar
LandOfFree
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