| 摘要 |
Disclosed is a process for the production of a wood body having high durability, dimensional stability and surface hardness, wherein an untreated wood body is impregnated with an aqueous solution of a) An impregnating agent from the group consisting of 1,3-bis(hydroxymethyl)-4,5-dihydroxyimidazolidin-2-one, 1,3-bis(hydroxymethyl)-4,5-dihydroxyimidazolidin-2-one modified with a C1-5 alcohol, a polyol or mixtures thereof, 1,3 dimethyl-4,5-dihydroxyimidazolidin-2-one, dimethylolurea, bis(methoxymethyl)urea, tetramethylolacetylenediurea, 1,3-bis(hydroxymethyl)imidazolidin-2-one, methylolmethylurea or mixture thereof; and b) A catalyst from the group consisting of the metal or ammonium salts, organic or inorganic acids or mixtures thereof. Then hardened while maintaining humid conditions at elevated temperature.
|
