Patent ID: 6761794
Filing Date: 2004-07-13
Classification: B29B,B29C,B29K,B29L,B32B,B44C,Y02W

Abstract:
A process for manufacturing a board, the board comprising particles bonded to each other in a pressing procedure with an adhesive, the process comprising the steps of:grinding a cured, rigid resin into particles; allowing the particles to absorb a preselected amount of water; adding a bonding agent to the particles; forming a mixture of the particles, water, and bonding agent; pressing the mixture into a material of substantially uniform thickness; applying a decor on an upper side of the board by printing the decor directly on the upper side via non-transfer printing; providing a decorative upper surface during board formation; by laminating under heat and pressure at least one group of support webs to the material, the support webs comprising paper webs impregnated with a resin; applying at least one wear layer of &agr;-cellulose on top of the support web; and wherein: the bonding agent is a mixture of polyols; the pressing is performed in a continuous belt press; and an uppermost web of said support webs is a semi-translucent web.