Manufacturing method for wood board

Details Manufacturing method for wood board Manufacturing method for wood board

B - Operations, Transporting

27

N

B27N 3/04 (2006.01) C08H 8/00 (2010.01) B27N 1/00 (2006.01)

Patent

CA 2101617

Wood fibers obtained by the fiberization of wood are acetylated in a vapor phase acetylating agent acetic anhydride or the like. The acetylated fibers are accumulated, and molded into a solid wood board. By means of the manufacturing method of the present invention, it is possible to obtain wood board which exhibits little moisture absorption and water absorption. Furthermore, the acetylation is conducted in the vapor phase acetylating agent, so that the amount of acetylating agent used is greatly reduced in comparison with the case in which the acetylation is conducted in the liquid phase acetylating agent.

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