改性水玻璃木材胶黏剂制备及性能研究

Water glass adhesives, free of formaldehyde and other organic toxic pollutants, is a kind of green inorganic adhesive. Its application in timber industrial was restricted by the low adhesive force to wood, poor water resistance, brittleness and other defects. In this paper, a silane coupling agent, and sodium fluoride are used as modified additives for the water glass adhesive to enhance its adhesive strength and water resistance. The study indicates that adding a small amount of a silane coupling agent can effectively enhance the bond strength between the adhesives and wood, and sodium fluorosilicate can improve the adhesives water resistance. Modified water glass adhesive can meet their basic application needs in wood bonding.