FIRE- AND BIO-PROTECTIVE COMPOUND FOR WOOD TREATMENT Russian patent published in 1997 - IPC

FIELD: compounds for protection of wood from inflammation and pests; may be used in woodworking construction and wood treatment in all industries using wood. SUBSTANCE: invention offers the solution possessing high fire- and bio-protective properties, capability of decorative dyeing of wood and safe in use. It is prepared with use of wastes of printed board production. The compound includes the following components, mas.%: complex-formation polymer amine, 3.0-6.0; zinc salt (sulfate, chloride, nitrate), 0.4-0.5; iron sulfate, 5.0-6.0; sulfosalicylic acid, 0.1-0.15; alkali etching agent of printed boards (contains 20-22% of copper salt and 10-17% of ammonium chloride), 4.0-5.0; aqua ammonia, 3.0-5.0; water, the balance. EFFECT: higher efficiency. 2 cl, 3 tbl