Method for treating birch bark
A technology of birch bark and treatment method, applied in the direction of wood treatment, wood heat treatment, wood treatment details, etc., can solve the problems of bark deformation and cracking, affecting the value of bark painting, easy cracking, etc., to prevent cracking, coloring and painting is easy. , the effect of improving quality
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Embodiment 1
[0013] A processing method of birch bark, using the following steps to process:
[0014] (1) Peel off the fresh birch bark, clean the surface, use a steamer to fumigate for 2 hours, and then cool naturally;
[0015] (2) Prepare the treatment solution by mixing 3.8 parts of polyethylene glycol, 7 parts of glycerin, 4.8 parts of potassium nitrate, 1.6 parts of pine nut oil, 2 parts of chlorinated paraffin, and 25 parts of water by weight to prepare the treatment solution;
[0016] (3) Put the white birch bark treated in step (1) into the treatment solution prepared in step (2) and soak for 2-3 days. After the treatment is completed, rinse it with clean water, and then use a steamer to fumigate for 0.5h. Take it out, cool down, and cool down at a rate of 2°C / min until normal temperature, then flatten.
Embodiment 2
[0018] The treatment solution is prepared by weight from 3.5 parts of polyethylene glycol, 7 parts of glycerin, 5.2 parts of potassium nitrate, 1.2 parts of pine nut oil, 2 parts of chlorinated paraffin, and 25 parts of water.
Embodiment 3
[0020] The treatment solution is prepared by weight from 3.2 parts of polyethylene glycol, 6 parts of glycerin, 6 parts of potassium nitrate, 1.5 parts of pine nut oil, 1.5 parts of chlorinated paraffin, and 25 parts of water.
[0021] Use the treatment method of the embodiment of the present invention to process white birch bark, the flexibility of the white birch bark after treatment is enhanced, the color of the white birch bark after treatment is stable, and through fumigation treatment, carry out slow cooling treatment, can improve the resistance of white birch bark The ability of temperature change, and easy to color, it will not fall off after coloring, and the product will not crack or fade after being treated for 70 hours at a temperature of 80 ° C and a relative humidity of 18%. However, direct treatment with glycerin aqueous solution or alcohol solution is not only difficult to color, but also the product will be deformed and faded to varying degrees when the product...
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