ADHESIVE COMPOSITION FOR LINING OF WOOD BOARDS WITH CROSSBAND VENEER WITH SIMULTANEOUS PRIMING Russian patent published in 2012 - IPC B44C1/24 

FIELD: woodworking industry.

SUBSTANCE: adhesive composition includes carbamide-formaldehyde resin, plasticising agent, filler and hardener containing plasticised polyvinyl-acetate dispersion (PPAD) as plasticising agent, wood flour as filler, ammonium chloride as hardener and surface active substance OP-10 as the substance increasing wetting ability at the following component ratio, %: amino-formaldehyde resin with concentration of 56-58% 77-79, plasticising agent - PPAD 7-9; filler - wood flour 8-10; surface active substance - OP-10 4.5-4.9; hardener - ammonium chloride 0.2-0.4.

EFFECT: improvement of adhesive strength of boards to the base and reduction of adhesive composition consumption.

1 cl, 2 dwg, 2 tbl