Preparation method of weatherproof preservative plywood
A plywood, weather resistance technology, applied in the direction of manufacturing tools, wood treatment, pressure impregnation, etc., can solve the problems that affect the service life of anti-corrosion plywood, poor anti-microbial attack performance, easy to rot, insects, mildew, etc., to achieve anti-corrosion effect Effective and long-lasting, significant economic benefits, and avoid over-aging effects
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Embodiment 1
[0019] A method for preparing weather-resistant anti-corrosion plywood, comprising rotary cutting of wood segments, veneer drying, veneer cutting, veneer anti-corrosion treatment, anti-corrosion veneer drying, anti-corrosion veneer gluing, billet formation, cold pressing, curing, and hot pressing , trimming and sanding, the veneer anti-corrosion treatment method is vacuum dipping in an anti-corrosion solution, the anti-corrosion solution contains the following raw materials in parts by weight: 10 parts of ultrafine iron powder, 4 parts of aluminum octadecanoate, hydrogenated castor 3 parts of sesame oil, 1 part of hard water softener, 2.4 parts of ammonium polyphosphate, 0.6 parts of sodium selenate;
[0020] The conditions of the vacuum impregnation are as follows: keep at a negative pressure of 0.14MPa for 1.5 hours, then return to normal pressure and keep for 30 minutes, and then pressurize to 1MPa and keep for 1 hour;
[0021] The method for drying the anti-corrosion venee...
Embodiment 2
[0028] A method for preparing weather-resistant anti-corrosion plywood, comprising rotary cutting of wood segments, veneer drying, veneer cutting, veneer anti-corrosion treatment, anti-corrosion veneer drying, anti-corrosion veneer gluing, billet formation, cold pressing, curing, and hot pressing , trimming and sanding, the veneer anti-corrosion treatment method is vacuum dipping in an anti-corrosion solution, and the anti-corrosion solution contains the following raw materials in parts by weight: 7 parts of ultrafine iron powder, 5 parts of aluminum octadecanoate, hydrogenated castor 2 parts of sesame oil, 1.2 parts of hard water softener, 2.2 parts of ammonium polyphosphate, 0.8 parts of sodium selenate;
[0029] The conditions of the vacuum impregnation are as follows: keep under the condition of negative pressure 0.12MPa for 2 hours, then return to normal pressure and keep for 30 minutes, and then pressurize to 0.8MPa, keep for 0.5 hours;
[0030] The method for drying the...
Embodiment 3
[0037]A method for preparing weather-resistant anti-corrosion plywood, comprising rotary cutting of wood segments, veneer drying, veneer cutting, veneer anti-corrosion treatment, anti-corrosion veneer drying, anti-corrosion veneer gluing, billet formation, cold pressing, curing, and hot pressing , trimming and sanding, the veneer anti-corrosion treatment method is vacuum dipping in an anti-corrosion solution, and the anti-corrosion solution contains the following raw materials in parts by weight: 12 parts of ultrafine iron powder, 3 parts of aluminum octadecanoate, hydrogenated castor 4 parts of sesame oil, 0.8 parts of hard water softener, 2.6 parts of ammonium polyphosphate, 0.4 parts of sodium selenate;
[0038] The conditions of the vacuum impregnation are: keep it under the condition of negative pressure 0.15MPa for 0.5 hours, then return to normal pressure and keep it for 30 minutes, and then pressurize to 1.2MPa, keep it for 2 hours;
[0039] The method for drying the a...
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