摘要 |
FIELD: chemistry.SUBSTANCE: present invention relates to a method of producing an adhesive intended for use in different industries, particularly production of wood boards. The method of producing a stable soya/urea adhesive composition includes dispersing soya flour in water, denaturing the solution with an acid at pH 2.0-4.5 for at least 1 minute and contacting the denatured soya flour with urea with high adhesive power. The method may further include adding a crosslinking agent, diluent or both agents to the soya flour/urea adhesive or adding an emulsified or dispersed polymer.EFFECT: disclosed adhesives and dispersions, obtained according to the method disclosed herein, are characterised by improved properties such as high stability and adhesive power in a wet and dry state, a more efficient production method and low cost of the product.18 cl, 20 tbl, 5 dwg, 24 ex |