METHOD FOR PRODUCTION OF MODIFIED WOOD Russian patent published in 2010 - IPC B27K3/00 B27K3/04 

FIELD: construction.

SUBSTANCE: method for production of modified wood includes impregnation of wood with modifier and further thermal treatment, besides modifier used is represented by product of emulsion copolymerisation of ethyl acrylate with sterol Emucryl S or product of emulsion copolymerisation of acryl monomers Emucryl M, impregnation of wood with Emucryl S or Emucryl M is carried out at the temperature of 18-22°C for 3 days, and thermal treatment is carried out at the temperature of 80°C for 10 hours.

EFFECT: improved water resistance of wood with preservation of its strength and durability.

3 dwg, 2 tbl