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Wood protecting agent and method of producing the same

A protective agent and wood technology, which is applied in the direction of wood impregnation, impregnated wood, wood processing equipment, etc., can solve the problems of low solubility and poor permeability of boron compounds, and achieve long-term stable mechanical properties, strong permeability, and fast dissolution. Effect

Inactive Publication Date: 2009-06-10
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of low solubility and poor permeability in water of boron compounds as wood protection agents at present, and provide a kind of wood protection agent and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0016] Specific Embodiment 1: In this embodiment, the wood protection agent is made of 100 parts by weight of borate and 0.1 to 5 parts of composite surfactant; the borate is made by solid-state reaction of boric acid and borax, and boric acid The molar ratio to borax is 3.8-4.2:1; the composite surfactant is composed of 90%-99% hydrocarbon surfactant and 1%-10% fluorine surfactant according to mass percentage.

[0017] The composite surfactant selected in this embodiment reduces the surface tension of the wood protection agent aqueous solution, so that the penetration of the wood protection agent in this embodiment in wood is significantly improved.

specific Embodiment approach 2

[0018] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the hydrocarbon surfactant is sodium lauryl sulfate, sodium dodecylbenzenesulfonate, alkylphenol polyoxyethylene ether sulfate, Fatty alcohol ethoxylates or alkylphenol ethoxylates. Others are the same as the first embodiment.

specific Embodiment approach 3

[0019] Specific embodiment three: the difference between this embodiment and specific embodiment two is: alkylphenol polyoxyethylene ether sulfate is alkylphenol polyoxyethylene ether sodium sulfate, alkylphenol polyoxyethylene ether potassium sulfate or alkylphenol polyoxyethylene ether sulfate Phenolic ethoxylate ammonium sulfate. Others are the same as the second embodiment.

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PUM

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Abstract

The invention discloses a wood additive and making method to solve the problem of low solubility and bad penetrability of boron system compound as wood protective in the water, which is made of 100wt% borate and 0. 1-5wt% composite surface activator. The making method comprises the following steps: 1. blending boric acid and borax evenly to place in the 25-75 deg. c environment to do solid-phased reaction; drying; obtaining the borate; 2. blending the composite surface activator and borate evenly to obtain the wood protective. The invention has the function of preservation, insect protection, termite-resistant, flame-proof and smoke inhibition, which doesn't harm human and animals without influencing the appearance, dynamics and manufacturing property of the wood.

Description

technical field [0001] The invention relates to a wood additive and a preparation method thereof. Background technique [0002] With the improvement of people's living standards and the development of science and technology, people's performance requirements for wood (including solid wood, wood-based panels and other wood materials) are also constantly improving, especially the antiseptic, flame-retardant and insect-proof properties of wood. At present, copper chromium arsenic (CCA) preservatives or cuproammonium quaternary ammonium (ACQ) preservatives are mostly used in the industry for wood preservative treatment. However, the use of such preservatives often causes harm to the environment. If copper chromium arsenic or cuproammonium quaternary ammonium salt is lost into the soil, it will eventually enter the surface water body, and the copper ions contained in it will be harmful to fish and other organisms in the water body; and arsenic-containing compounds are more danger...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/52
Inventor 王清文张志军隋淑娟王奉强廖恒
Owner NORTHEAST FORESTRY UNIVERSITY
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