MANUFACTURING METHOD FOR PARTICLE BOARD, AND THE BOARD

文件类型：PDF文档
文件大小：64K
PROBLEM TO BE SOLVED : To suppress the diffusion of formaldehyde from the adhesive of a particle board to improve indoor environment. SOLUTION : Wood is cut to be ground and, after the ground wood is dried and sieved, an adhesive is added to the sieved ground wood. The adhesive added mixture is molded into a plate shape and compressed under heating to manufacture the particle board. As the adhesive, one kind of a resin selected from a urea resin, a urea-melamine cocondensate resin and a phenol resin and a powder of a rare element mineral based on zirconium is added to this resin. COPYRIGHT : (C)2006, JPO&NCIPI