A kind of old treatment method of elm board

Abstract

The invention relates to an elm plate material distressing treatment method, which comprises the following steps: (1) impregnating an elm plate material in a urea aqueous solution with a weight fraction of 5% for 2 days, spreading a layer of sodium bicarbonate on the surface of the elm plate material and drying in air at room temperature for 0-15 days; (2) washing away impurities on the surface of the elm plate material, impregnating the elm plate material in a treatment solution at the temperature of 35 DEG C for 12 hours, washing with clean water and preserving heat for 6 hours at the temperature of 58 DEG C and the relative humidity of 42%; (3) impregnating the treated elm plate material in step (2) in a urea aqueous solution with a weight concentration of 2.5% for 30 hours at the temperature of 22-30 DEG C, fishing out and washing with clean water, preserving heat for 3 hours at the temperature of 46 DEG C and the relative humidity of 32% and then preserving heat for 10 hours at the temperature of 38 DEG C and the relative humidity of 20%. The elm plate material distressing treatment method provided by the invention is simple, the treatment is carried out by targeting at the wood quality of elm wood material and the treatment effect is good.

Description

technical field [0001] The invention belongs to the field of wood treatment, and in particular relates to an old-fashioning treatment method for elm boards. Background technique [0002] Elm boards can be used for furniture, vehicles, farm implements, appliances, bridges, buildings, etc. The bark contains starch and sticky matter, which is ground into powder and called elm bark noodles. It is edible mixed with flour and used as a raw material for vinegar; the bark has tough fibers and can be used as a substitute for hemp to make ropes, sacks, or as raw materials for artificial cotton and papermaking; young samara mixed with flour can be steamed, and old samara contains 25% oil. It can be used in medicine and light and chemical industries; the leaves can be used as feed. Elm wood is heavy and is an excellent raw material for furniture boards. Most of the existing furniture needs to be aged. However, elm wood is different from other woods. The conventional old-fashioned trea...

AI Technical Summary

Problems solved by technology

Elm wood is heavy and is an excellent raw material for furniture panels. Most of the existing furniture needs to be aged. However, elm wood is different from other woods. The conventional old-fashioned treatment method does not work well.