FIELD: chemistry.
SUBSTANCE: composition contains (wt %): polyorganosiloxane or tetraethoxysilane (2.5-10), polymethylphenyl siloxane resin which is not modified or modified with polyester (0.5-7.0), copolymer based on butylmethacrylate and methacrylic acid or ester thereof (6.0-10.0), phosphorus-containing compound, selected from tris-chloroethylphosphate, tris-chloropropylphosphate or ammonium polyphosphate (25.0-35.0), butanol (6.0-10.0) and aromatic solvent (the rest). The proposed composition gives wood 100% biostability and a second group of fire-protective effectiveness.
EFFECT: design of a novel protective composition which provides high efficiency of fire- and bio-protection of wood material.
1 cl, 2 tbl
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