PROTECTIVE EPOXIDE-WOOD COAT FOR FOAM POLYSTYRENE Russian patent published in 2009 - IPC C09D163/02 B27N3/02 

FIELD: construction.

SUBSTANCE: invention is related to epoxide-wood composition for production of pressed boards used to cover foam polystyrene plates from external and internal sides on glue in order to protect them against external impact and to increase their service life. Composition includes the following components, with their following ratio, wt %: 37.2-43.5 of epoxide-diane resin ED-20, 3.7-4.3 of amine hardener of polyethylene polyamine, 43-52.1 of pine woodchip filler, 6.3-11.9 of polymer filler. Polymer filler used in composition is foam polystyrene chips - wastes of heat insulation production.

EFFECT: invention makes it possible to increase physical and mechanical characteristics of composition, to recycle wastes of wood processing and heat insulation materials.

2 tbl, 3 dwg