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 citric acid in amounts of 2.0-4.0 units of mass and diphenylmethanediasocyanite in amounts of 160-180 units of mass with the following proportion of components: crushed wood - 100, polyurethane foam binding agent - 10-40. EFFECT: enhanced operating capabilities.