METHOD FOR PRODUCTION OF MODIFIED WOOD Russian patent published in 2004 - IPC

Abstract RU 2229377 C2

FIELD: chemical treatment of wood, in particular, production of blanks for wood-working industry from poor wood. SUBSTANCE: for production of modified wood the wood is impregnated by a 30 to 60 per cent aqueous solution of carbamide with a subsequent drying under mechanical pressure at an initial temperature of 100C, forecondensate of carbamidoformaldehyde oligomer (10 to 12% of the mass of dry carbamide) is added to the impregnating solution. EFFECT: facilitated procedure. 2 ex

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RU 2 229 377 C2

Authors

Shamaev V.A.

Likhacheva L.B.

Safronov N.G.

Dates

2004-05-27—Published

2001-12-06—Filed