WOOD IMPREGNATED WITH FURAN POLYMER Russian patent published in 2007 - IPC B27K3/15 B27K3/38 B27K3/50 

Abstract RU 2309836 C2

FIELD: impregnation of wood.

SUBSTANCE: the suggested wood should be obtained due to impregnating wood with the mixture based upon polymerized monomer of furfuryl alcohol that contains, at least, water, furfuryl alcohol, a stabilizing additional solvent chosen out of acetone or alcohol at low boiling point such as methanol, ethanol or isopropanol and their combinations, and an initiator chosen out of maleic anhydride, phthalic anhydride, maleic acid, malic acid, phthalic acid, benzoic acid, citric acid, zinc chloride, aluminum chloride, other cyclic organic anhydrides and acids and their combinations. It has been, also, described the method for obtaining the wood impregnated with furan polymer due to a single-stage impregnation of wood with the mixture based upon polymerized monomer of furfuryl alcohol followed by hardening stage. The suggested wood is of high stability of sizes under conditions of altering moisture and increased resistance to rotting.

EFFECT: higher efficiency.

8 cl, 5 tbl

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RU 2 309 836 C2

Authors

Vestin Mats

Dates

2007-11-10Published

2003-07-17Filed