Preparation of laminated material

Details Preparation of laminated material Preparation of laminated material

B - Operations, Transporting

32

B

154/93

B32B 9/02 (2006.01) B27N 3/00 (2006.01) B32B 21/13 (2006.01)

Patent

CA 1283592

ABSTRACT OF THE DISCLOSURE A process is disclosed for the preparation of a laminated material, including the steps of cutting open a lignocellulosic stalk in the fiber direction with a knife; flattening the lignocellulosic stalk by means of a roller press to form a compressed stalk, one face of which consists of its epidermis; arranging a plurality of the compressed stalks in parallel with each other to form a sheet; coating the sheet with a resin adhesive; stacking a plurality of the coated sheets; and then bonding with heat and pressure by means of a hot press to produce a laminated material. The laminated material has a flexural strength equal to or higher than conventional plywood and may also have excellent sound absorbing and heat insulating properties in comparison with conventional particleboard or fiberboard.

538768

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