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Preparation method of anticorrosion bamboo wood

A bamboo and preservative technology, applied in wood treatment, impregnated wood, manufacturing tools, etc., can solve the problems of seldom reaching the surface, uneven distribution of chemicals, and uneconomical bamboo, so as to overcome long processing time and improve anti-cracking The effect of ability and low cost

Inactive Publication Date: 2015-03-25
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not economical enough for bamboo, because the price of bamboo itself is relatively low, and when the whole bamboo is processed, it is prone to cracking, and the distribution of the agent is not uniform, and it is seldom able to reach the surface.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Submerge the bamboo in a 0.5% preservative aqueous solution, then heat it to 85°C for 2 hours to kill insect eggs and molds, and obtain a liquid containing bamboo; wherein, the preservative in the preservative aqueous solution is determined by mass ratio Composed of 0.4:0.5:1 quaternary ammonium copper, methyl N-2-benzimidazolyl carbamate and sodium octaborate tetrahydrate;

[0023] 2) Stop heating, discharge the antiseptic solution containing bamboo, and obtain antiseptic treated bamboo; then add cold water with a temperature of 5°C to the antiseptic treated bamboo until the antiseptic treated bamboo is submerged, let it stand for 1 hour, and then put 1 / 3 Second, the cold water was discharged, and then the antiseptic treated bamboo and the remaining cold water were heated to 75°C in a closed container, kept at 2 standard atmospheric pressure for 6 hours, and finally the treated bamboo was taken out and dried naturally to obtain antiseptic bamboo.

Embodiment 2

[0025] 1) Submerging the bamboo in a 10% borate aqueous solution with a mass concentration, then heating to 85° C. for 2 hours to kill insect eggs and molds to obtain a liquid containing bamboo; wherein the borate aqueous solution is made of borax, benzoic acid , sodium bisulfite and water, and the mass ratio of borax, benzoic acid and sodium bisulfite in the borate aqueous solution is 1.9:0.8:1;

[0026] 2) Stop heating, and carry out solid-liquid separation of the liquid containing bamboo to obtain antiseptic treated bamboo; then add cold water with a temperature of 5°C to the antiseptic treated bamboo until the antiseptic treated bamboo is submerged, let it stand for 1 hour, and then three Two-thirds of the cold water is discharged, and then the antiseptic treated bamboo and the remaining cold water are heated to 75°C in a closed container, and kept at 2 standard atmospheric pressure for 6 hours, and finally the treated bamboo is taken out and dried naturally to obtain antis...

Embodiment 3

[0028] 1) Submerge the bamboo in a 3% preservative aqueous solution with a mass concentration, then heat it to 95°C for 1.5 hours to kill insect eggs and molds, and obtain a liquid containing bamboo; wherein, the preservative in the preservative aqueous solution is made of mass Composed of copper quaternary ammonium, methyl N-2-benzimidazolyl carbamate and sodium octaborate tetrahydrate at a ratio of 0.6:0.4:1;

[0029] 2) Stop heating, discharge the antiseptic solution containing bamboo, and obtain antiseptic treated bamboo; then add cold water with a temperature of 20°C to the antiseptic treated bamboo until the antiseptic treated bamboo is submerged, let it stand for 1.5h, and then pour three minutes The second part of the cold water is discharged, and then the antiseptic treated bamboo and the remaining cold water are heated to 80°C in a closed container, and kept at 3 standard atmospheric pressure for 4 hours, and finally the treated bamboo is taken out and dried naturally...

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Abstract

The invention discloses a preparation method of anticorrosion bamboo wood. The preparation method comprises the following steps of adding a preservative aqueous solution or a borate aqueous solution until the bamboo wood is immersed, then heating so as to kill worm eggs and mildew so as to obtain a liquid containing the bamboo wood; stopping heating, carrying out solid-liquid separation on a liquid containing the bamboo wood so as to obtain the bamboo wood subjected to anticorrosion treatment; then adding cold water into the bamboo wood subjected to anticorrosion treatment until the bamboo wood subjected to anticorrosion treatment is immersed, standing, then discharging part of cold water, then heating the bamboo wood subjected to anticorrosion treatment and residual cold water in a closed container to 75-85 DEG C, keeping for 4-6 hours under 2-3 standard atmospheric pressure, finally separating the obtained treated bamboo wood, and airing naturally so as to obtain the anticorrosion bamboo wood. The method has the good effects of safety, environment friendliness and short cycle.

Description

technical field [0001] The invention belongs to the field of antiseptic treatment of bamboo, and in particular relates to a preparation method of antiseptic bamboo. Background technique [0002] Bamboo pretreatment methods mainly include physical and chemical methods. The principle of the physical method is to remove the nutrient source in the bamboo or transform the nutrient source into inedible substances, or to cut off the moisture and air required for the life of decaying bacteria and insects. Its advantages are low processing cost, simple operation, and generally no pollution to the environment. The disadvantage is that it has no lasting protection. Once the treated bamboo is further processed or wears or cracks, decay bacteria will attack the bamboo again under certain circumstances. , so the physical method is generally not used alone. The principle of the chemical method is to use preservatives to hinder the basic metabolism of fungi, so as to achieve the purpose o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/02B27K3/52
CPCB27K3/52B27K9/002B27K2240/20
Inventor 郝际平于金光田黎敏邓光睿孙桂桂田轲
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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