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    • 52. 发明申请
    • Method for treating lignocellulosic material
    • 木质纤维素材料的处理方法
    • US20060013957A1
    • 2006-01-19
    • US11122083
    • 2005-05-05
    • Jacques Roy
    • Jacques Roy
    • B05D3/02
    • B27K3/16B27K3/0214B27K3/0271B27K5/0085
    • A method for heat treating lignocellulosic material with a water-soluble preservative, such as preferably borate, involves the modification of the lignocellulosic material by heat to a moisture content of 0 to 5%, and preferably as close as possible to 0%. The thermo-treatment of the lignocellulosic material drives out not only free extra cellular water but also the intercellular and intracellular water. The process of modification by heat effectively kills the cells, permanently altering their cellular structure, and locking or fixing the preservative in the lignocellulosic material so that the water-soluble preservative does not leach out of the treated lignocellulosic material in the presence of rain water.
    • 用水溶性防腐剂(例如优选硼酸盐)热处理木质纤维素材料的方法涉及通过加热至木质纤维素材料的水分含量为0至5%,优选尽可能接近0%的方式。 木质纤维素材料的热处理不仅释放了多余的细胞水,而且还促进了细胞间和细胞内的水分。 通过热修饰的过程有效地杀死细胞,永久地改变其细胞结构,以及将防腐剂锁定或固定在木质纤维素材料中,使得水溶性防腐剂在雨水存在下不会从经处理的木质纤维素材料中浸出。
    • 53. 发明授权
    • Wood treating method
    • 木材处理方法
    • US5485685A
    • 1996-01-23
    • US328383
    • 1994-10-24
    • Yotaro Hashimoto
    • Yotaro Hashimoto
    • B27K5/00B27K5/02F26B3/00
    • B27K3/34B27K3/0271B27K5/02
    • There are available as chlorine base organic solvents for cleaning by vapor-defatting methylene chloride (CH.sub.2 Cl.sub.2), trichloro ethylene (CHCl.dbd.CCl.sub.2), perchloroethylene (CCl.sub.2 .dbd.CCl.sub.2), 1,1,1-trichloroethane (CH.sub.3 CCl.sub.3) and flon 113 (CCl.sub.2 FCClF.sub.2), etc., of which mainly used is a methylene chloride (CH.sub.2 Cl.sub.2) solvent. By vaporizing said methylene chloride solvent and permeating its vapor into the wood to be treated 10, to melt the tough lignin in the cell structure, thereby perforating the cell membranes, and undermine the valve action of portholes of the false vessels or vessels, fleeing of the cell water confined inside the cells and lumens is facilitated through said perforations and the porthole valves. By perforating the cells and undermining the valve action of the portholes, the fleeing of the free water confined therein, when drying the treated wood by hot air or sun's heat, is facilitated, for the benefit of very rapid drying. Besides, easy penetration of fine dye grains into the wood through said perforations and portholes enables its coloration to deep layers of wood.
    • 可通过蒸发除去二氯甲烷(CH 2 Cl 2),三氯乙烯(CHCl = CCl 2),全氯乙烯(CCl 2 = CCl 2),1,1,1-三氯乙烷(CH 3 CCl 3)和氟里昂113(CCl 2 CFClF 2)来清洗氯碱有机溶剂 )等,其中主要使用二氯甲烷(CH 2 Cl 2)溶剂。 通过蒸发所述二氯甲烷溶剂并将其蒸汽渗透到待处理的木材10中,以熔化细胞结构中的韧性木质素,从而穿孔细胞膜,并破坏假血管或血管的舷窗的瓣膜作用,逃离 限制在细胞内的细胞水和通过所述穿孔和孔眼阀促进流明。 通过穿孔细胞并破坏舷窗的阀门作用,限制在其中的自由水的逃离,当通过热空气或太阳的热量干燥经处理的木材时,有利于非常快速的干燥。 此外,通过所述穿孔和舷窗容易地将细染料颗粒渗透到木材中,使得其可以深层地涂覆木材。