ADHESIVE SYSTEM Russian patent published in 2016 - IPC C08G8/10 C09J161/02 C09J161/28 

FIELD: technological processes.

SUBSTANCE: invention relates to an adhesive system, a method of obtaining a product from wood-based material, a product, as well as use of adhesive system. Adhesive system contains following components: (a) a resin component comprising a urea based amino resin having an F/NH₂ ratio from 0.3 to 0.65, (b) a hardener component comprising at least one acid, acid generating salt or acidic salt, and (c) an aqueous dispersion of at least one polymer - polyvinyl acetate or polyethylene vinylacetate. Apart from urea, present in amino resin, adhesive system contains additional urea in an amount of less than 0.9 wt% per total weight of adhesive system, or does not contain urea. Method of producing a wood based product, comprising applying adhesive system according onto surface of one or more parts made from wood based material, joining with one or other parts, and then pressing to each other.

EFFECT: invention enables to obtain an adhesive system, which does not release or which releases a small amount of formaldehyde, and does not require a long time and high temperature of pressing.

12 cl, 4 tbl, 3 ex