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Nano kaolin modified wood production method

A technology of nano-kaolin and production method, applied in the direction of wood treatment, wood impregnation, wood impregnation, etc., can solve the problems of easy to be eaten by insects, poor dimensional stability, wear and contusion, etc., and achieve good flame retardant and anti-corrosion performance and stable performance. , the effect of improving hygroscopicity

Inactive Publication Date: 2015-08-26
王玉燕
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, due to long-term contact with oxygen, light, and moisture, wood is prone to shrinkage and swelling, poor dimensional stability, and easy to change color, crack, wear and bruise, and is also easy to burn and be eaten by insects and bacteria.

Method used

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Embodiment Construction

[0013] The technical solutions of the present invention will be further described below in conjunction with specific preferred embodiments.

[0014] A production method of nano kaolin modified wood, comprising the following steps:

[0015] (1) Wood pretreatment: After peeling and sawing the log into required size specifications, dry it at 50°C-80°C for 8-24 hours, and control the moisture content of the wood to 8%-25%. Then microwave treatment for 10-30 minutes; wherein, the log is suitable for any wood, including poplar, birch, nanmu, eucalyptus, fir, pine and the like.

[0016] (2) Prepare wood modifier: Add 20-25 parts by mass of nano-kaolin, 2-6 parts by mass of isopropanol and 0.5-1 part by mass of aluminum-titanium composite coupling agent DL-411 into the mixer, and then add distilled water 400-450 parts by mass, stirring at a high speed of not less than 6000r / min for 10-50 minutes, then adding 10-15 parts by mass of trimethyl borate, 8-12 parts by mass of amidinourea p...

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Abstract

The invention discloses a nano kaolin modified wood production method, including five steps of wood pretreatment, preparation of a wood modification agent, preparation of a wood modification fluid, dipping treatment and post drying treatment, the wood modification agent comprises nano kaolin, isopropyl alcohol, titanium aluminum composite coupling agent DL-411, distilled water, trimethyl borate, amidinourea phosphate, ammonium heptamolybdate, N-hydroxyethyl ethyl amine triacetic acid and fatty acid polyoxyethylene ester. The beneficial effect is that the nano kaolin modified wood has the advantages of being simple in treatment process, high in efficiency, environmental-friendly, strong in permeability, stable in performance, even in compounding, and the like, the treated wood has no significant changes in appearance, the thermal stability, moisture absorption and water proofing properties are obviously improved, mechanical properties and dimensional stability, resistance to wear, and the like are greatly improved, the flame retardant and anticorrosion performance is good, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of wood production, in particular to a production method of nano kaolin modified wood. Background technique [0002] As a natural and renewable resource, wood has the advantages of beautiful texture, natural color, comfortable texture, good plasticity, and easy processing, so it is used as an ideal material for building decoration and furniture manufacturing. However, due to long-term contact with oxygen, light, and moisture, wood is prone to shrinkage and swelling, poor dimensional stability, and easy to change color, crack, wear and bruise, and is also easy to burn and be eaten by insects. Therefore, the modification of wood has been widely concerned for a long time. Nano-kaolin is a two-dimensional nano-layer material, which has special functions such as reinforcement, wear resistance, heat resistance, barrier, flame retardancy, and ultraviolet radiation resistance, and has low cost and good gloss. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/08B27K3/52B27K5/04
CPCB27K3/08B27K3/52B27K5/04B27K2240/20B27K2240/30
Inventor 不公告发明人
Owner 王玉燕
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