METHOD OF MANUFACTURE OF CHIP WOOD BOARDS Russian patent published in 1994 - IPC

FIELD: wood- working industry. SUBSTANCE: method involves employment of polyurethane foam binding agent containing mixture of elementary polyethers, stabilizer of foam, foaming agent and solidification catalyst which is lithium carbonate in amounts of 0.1-1.0 units of mass and diphenylmethanediasocyanite in amounts of 120-140 units of mass with the following proportion of components: crushed wood - 100 and polyurethane foam binding agent - 10-40. EFFECT: enhanced operating capabilities.