The invention relates to a process for treating a lignocellulosic material, preferably wood, comprising the following steps: (1) soaking of the material with organic fluid in order to dissolve at least 40% and at most 85%, in weight %, of the lignin of the material; (2) washing with organic fluid so as to discharge the dissolved lignin; (3) filling with a filling compound; and (4) finishing, so as to obtain a composite formed of a three-dimensional network of transformed filling compound incorporated into a cellulose and lignin network. The invention also relates to a composite structure able to be obtained in this way, and to any part comprising at least one such structure.
本发明涉及一种处理
木质纤维素材料(最好是木材)的工艺,包括以下步骤:(1) 用有机流体浸泡材料,以溶解材料中至少 40%、最多 85%(重量百分比)的
木质素;(2) 用有机流体清洗,以排出溶解的
木质素;(3) 用填充化合物填充;(4) 修整,以获得一种复合材料,该复合材料由融入
纤维素和
木质素网络的转化填充化合物三维网络构成。本发明还涉及一种可通过这种方法获得的复合结构,以及至少包含一个此类结构的任何部件。