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Production method of high-temperature heating modified rubber wood floor

A modified rubber and production method technology, applied in wood treatment, wood processing equipment, wood treatment details, etc., can solve the problems of no improvement in termite prevention performance, vulnerability to termite erosion, termite hidden dangers, etc., and achieve excellent dimensional stability, Reduce process time and energy consumption, resist moth and termite infestation

Inactive Publication Date: 2013-05-01
RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because rubber wood contains as much as about 8% starch and other polysaccharides and proteins, compared with other woods, it is easy to rot, mildew, and insects. After carbonization treatment, the anti-corrosion performance can be improved, but the anti-termite performance has not been improved. The test shows that, For artificial forest timber such as rubber wood and masson pine (Li Xiaowen, Forestry Science, 2012; Ma Xingxia, Timber Industry, 2009), they are more susceptible to termites after carbonization, and there are still serious termite hazards in the use of their boards in southern my country and other regions

Method used

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  • Production method of high-temperature heating modified rubber wood floor

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Effect test

Embodiment 1

[0020] 1) Saw the rubber wood log into a rectangular thick wood square with a size of 7.5cm×14cm×100cm.

[0021] 2) Put the wooden stacks into the vacuum treatment tank, use the boride aqueous solution as the treatment liquid for vacuum pressure impregnation, and carry out insect and termite treatment;

[0022] The borides in the treatment liquid are boric acid and sodium tetraborate, wherein the mass concentration of boric acid is 5%, and the mass concentration of sodium tetraborate is 5%. Vacuum for 20 minutes before, then pressurize for 1 hour, the pressure is 1.2MPa, insect-proof and termite-proof treatment is carried out, and the boron equivalent in the wooden square is controlled to 10.2kg / m 3 .

[0023] 3) Dry the artificial kiln of the rubber wood square treated with pest control and termite control to a moisture content of 20%~30%;

[0024] 4) Put the dried wood into the carbonization treatment equipment, raise the temperature to 45°C for 1 hour, then gradually rais...

Embodiment 2

[0027] 1) Saw the rubber wood log into a rectangular blank with a size of 2.5cm×14cm×100cm.

[0028] 2) Stack the rectangular billets into a vacuum treatment tank, and use the boride aqueous solution as the treatment liquid to vacuum pressurize and impregnate to prevent insects and termites;

[0029] The borides in the treatment liquid are boric acid and sodium tetraborate, wherein the mass concentration of boric acid is 4%, and the mass concentration of sodium tetraborate is 4%. Vacuum for 10 minutes before, then pressurize for 0.5 hours, pressure 0.8MPa, anti-insect and termite treatment, control the boron equivalent in the billet to 8.0kg / m 3 .

[0030] 3) Artificially kiln-dry the rubber wood billet treated with insect-proof and termite-proof to a moisture content of 12%;

[0031] 4) Put the dried billets into the carbonization treatment equipment, raise the temperature to 60°C for 1 hour, then gradually raise the temperature to 100°C, the heating time is 12 hours, and c...

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Abstract

The invention relates to a production method of a high-temperature heating modified rubber wood floor, wherein rubber wood is sawn into wood beams or billets, the wood beams or billets are subjected to insect and termite prevention treatment, drying, carbonization and wood conditioning, the stress and the water content are balanced, and subsequent processing is conducted to obtain the rubber wood floor. The rubber wood is subjected to high temperature heating modified treatment and termite prevention treatment, the manufactured carbonized rubber wood floor is stable in size and excellent in stability and can resist corrosion by moths and termites, the produced carbonized rubber wood solid floor can be used indoors in both the humid south and the dry north, the problem that the solid floor is not easily made in a large width from the rubber wood is solved, and the additional value of the rubber wood is increased. Meanwhile, due to the adoption of the process of subdividing a sheet after carbonizing the wood beams, the problems of large the bending deflection, large reserved allowance in the thickness direction and large loss, resulting from the fact of direct drying and carbonizing of the sheet, can be solved, and the outturn percentage is increased.

Description

Technical field: [0001] The invention belongs to the field of wood science and technology. The invention relates to a production method of high-temperature heat-modified rubber wood flooring, in particular to a method for applying insect-proof and heat-modification treatment, mechanical processing, and finishing to rubber wood to produce solid wood flooring. The high-temperature heat-modified rubber wood floor manufactured by the invention has the characteristics of insect resistance, stable size, and color similar to tropical precious hardwood. technical background: [0002] Rubber trees (Hevea brasiliensis) are widely planted in southern my country and Southeast Asia, and more than 10 million cubic meters of rubber trees are produced each year due to regeneration. Rubberwood is a diffuse-porous wood that is easy to process and has a pleasing texture. It is currently widely used to make wood products such as furniture, glulam finger-joint boards, and toys. It is an importa...

Claims

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Application Information

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IPC IPC(8): B27K3/08B27M1/06B27K5/04
Inventor 李家宁马心吴俊孙惠文李晓文李民秦韶山王春红林位夫谢贵水王秀全黄华孙张以山
Owner RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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