Patent ID: 6083623
Filing Date: 2000-07-04
Classification: C08G,C08L,Y10T

Abstract:
In a particulate adhesive for bonding lignocellulosic materials, comprising core particles and isocyanate coatings thereon, the improvement wherein:said particulate adhesive comprises a confricated mixture of said core particles and said isocyanate in a ratio range of said isocyanate to said core particles of 1:5 to 2:1, and wherein said core particles comprise crude cellulosic polysaccharide particles having activated --OH group-containing surfaces and a maximum particle diameter of 150 .mu.m, said isocyanate coatings being reacted with said --OH groups on said activated surfaces of said core particles, and said isocyanate coatings on said core particles having a thickness of about 1-13 .mu.m.