| 摘要 |
<p>The invention relates to a method for producing a wooden body having an enhanced surface hardness. According to said method, an untreated wooden body is impregnated with an aqueous solution of A) an impregnating agent consisting of a 1,3-bis(hydroxymethyl)-4,5-dihydroxyimidazolidinone-2 modified by a C1-5 alcohol, a polyol or the mixtures thereof, and B) a catalyst from the group of ammonium salts or metal salts, organic or inorganic acids or themixtures thereof. Said wooden body is then dried and hardened at a high temperature.</p> |
