A kind of preparation method of environment-friendly, moisture-proof and moth-proof bamboo-wood composite board
A bamboo-wood composite and board technology, used in wood processing appliances, wood veneer bonding, manufacturing tools, etc., can solve the problems of low internal bonding strength and rigidity, and achieve improved bonding performance, good coating performance, Good mechanical properties
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Embodiment 1
[0029] A method for preparing an environment-friendly, moisture-proof and moth-proof bamboo-wood composite board, comprising the following steps:
[0030] The bamboo strips are dried, glued, hot pressed, cooled, and cut in sequence to obtain a panel;
[0031] The selected wood is crushed and dried, and the wood core board is obtained through sizing, hot pressing, cooling and cutting in sequence;
[0032] Add gelatin solution with a mass concentration of 10% into a reaction kettle equipped with a condensing device, add nitrous acid, stir at 0°C for 60 minutes, and vacuumize for 20 minutes; add acrylic monomer mixture, mix well, and then add 30% mass concentration Sodium hydroxide solution to adjust its pH to 6.5-7.0, stirring at a speed of 100r / min to raise the temperature to 85°C, dropwise add potassium persulfate solution with a mass concentration of 10%, and complete the dropwise addition in 1 hour; the dropwise addition of potassium persulfate solution is completed Then he...
Embodiment 2
[0037] A method for preparing an environment-friendly, moisture-proof and moth-proof bamboo-wood composite board, comprising the following steps:
[0038] The bamboo strips are dried, glued, hot pressed, cooled, and cut in sequence to obtain a panel;
[0039] The selected wood is crushed and dried, and the wood core board is obtained through sizing, hot pressing, cooling and cutting in sequence;
[0040] Add the gelatin solution with a mass concentration of 15% into a reaction kettle equipped with a condensing device, add nitrous acid, stir at 5°C for 40 minutes, and vacuumize for 20 minutes; add the acrylic monomer mixture, mix well, and then add Sodium hydroxide solution adjusts its pH to 6.5-7.0, stirs at a speed of 120r / min and heats up to 75°C, adds dropwise potassium persulfate solution with a mass concentration of 10%, and completes the dropwise addition in 3 hours; the dropwise addition of potassium persulfate solution is completed Then heat up to 92°C, stop heating a...
Embodiment 3
[0045] A method for preparing an environment-friendly, moisture-proof and moth-proof bamboo-wood composite board, comprising the following steps:
[0046] The bamboo strips are dried, glued, hot pressed, cooled, and cut in sequence to obtain a panel;
[0047] The selected wood is crushed and dried, and the wood core board is obtained through sizing, hot pressing, cooling and cutting in sequence;
[0048] Add the gelatin solution with a mass concentration of 11% into a reaction kettle equipped with a condensing device, add nitrous acid, stir at 1°C for 55 minutes, and vacuumize for 20 minutes; add the acrylic monomer mixture, mix well, and then add Sodium hydroxide solution adjusts its pH to 6.5-7.0, stirs at a rotating speed of 105r / min and heats up to 80°C, drops potassium persulfate solution with a mass concentration of 10%, and completes the dropwise addition in 1.5h; potassium persulfate solution is added dropwise After completion, heat up to 90°C, stop heating after 1.1h...
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Abstract
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