СПОСОБ ПОЛУЧЕНИЯ МОДИФИЦИРОВАННОЙ ДРЕВЕСИНЫ
申请公布号:RU2007112593(A)
申请号:RU20070112593
申请日期:2007.04.04
申请公布日期:2008.10.10
发明人:Шамаев Владимир Александрович (RU);Медведев Иль Николаевич (RU);Златоустовска Вероника Витальевна (RU);Анучин Александр Иванович (RU)
分类号:B27K3/08
主分类号:B27K3/08
摘要:FIELD: technological processes. ^ SUBSTANCE: method is described for production of modified wood from fresh log of soft hardwoods with defective area, which includes impregnation of fresh cylindrical workpiece by oily antiseptic from the end under pressure and simultaneous drying-pressing, at that healthy area of wood is impregnated with oily antiseptic, and defective zone is impregnated by mixture of oily antiseptic and hardening solution that contains dissolvent - kerosene or white spirit and hardening substance selected for the group comprising the following substances: rubber production wastes - vat residues of butadiene rectification, vat residues of toluene rectification, phenolic alcohols, at that amount of hardening solution is determined according to the following formula: where M is amount of hardening solution, l, Hh is hardness of healthy zone, N/mm2, Hd is hardness of defective zone, N/mm2, C is concentration of hardening solution in defective zone, l/m3, V is volume of defective zone, m3, k is coefficient that accounts for reduction of defective zone diameter from log butt part to top part, 0.8<=k<=1. ^ EFFECT: higher indicators of strength and hardness in all section, higher wear resistance. ^ 2 dwg, 2 ex
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