Method for improving whole hydrophobicity of wood
A hydrophobic and wood-based technology, applied in wood treatment, impregnated wood, wood impregnation, etc., can solve the problems of strength reduction, deep color of wood, etc., and achieve the effect of improving dimensional stability
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[0014] The present invention will be further described below in conjunction with typical embodiments.
[0015] A method for improving the overall hydrophobicity of wood of the present invention, its steps are as follows:
[0016] (1) Solvation of hydrophobic agent at room temperature: the hydrophobizing agent Alkyl Ketene Dimer (AKD) was mixed with n-hexane to form an AKD / n-hexane solution with a mass concentration of 2-10:100. The hydrophobizing agent AKD powder is solvated at room temperature by n-hexane organic solvent, and the water contact angle of the hydrophobized wood can be increased to more than 120°. And through vacuum-pressure impregnation, the hydrophobic agent is brought into the interior of the wood, which not only realizes the solvation of AKD at room temperature, but also avoids the disadvantage that AKD will fail due to the large amount of water in the traditional emulsion method, that is, AKD is in contact with water. Side effects occurred. The hydrophobiz...
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Abstract
Description
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