Preparation method for novel plywood material
A new type of board technology, applied in wood treatment, impregnated wood, wood impregnation, etc., can solve the problems of reducing the bonding force between adhesives and boards, reducing the bonding strength, and easy to generate air bubbles, so as to reduce VOC release and improve gluing Intensity, organic enhancement effect
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Embodiment 1
[0031] A preparation method for a novel plywood, comprising the steps of:
[0032] (1) the original bamboo is cut into bamboo slices, the bamboo slices are flattened, after removing the bamboo green and bamboo yellow, put into 10% sodium bicarbonate solution and cook, the cooking temperature is 80 degrees Celsius, and the cooking time is after 5 hours, Continue to cook with clean water for 1 hour, take it out and let it dry naturally for 5 hours;
[0033] (2) the bamboo chip after step (1) steaming is put into vacuum box, injects liquefied ammonia with 0.5 kilogram / cubic meter in the liquid reservoir below the vacuum box, is warming up to 60 degrees Celsius, heat preservation and heating 30 minutes;
[0034] (3) After stacking the bamboo slices treated in step (2) and naturally air-drying and aging for 5 days, put them into the preservative solution for soaking, turn on the ultraviolet light at the same time, soak at a temperature of 40 degrees Celsius, soak for 30 minutes, re...
Embodiment 2
[0047] A preparation method for a novel plywood, comprising the steps of:
[0048] (1) the original bamboo is cut into bamboo slices, the bamboo slices are flattened, after removing the green and yellow bamboo, put into 10% sodium bicarbonate solution and cook, the cooking temperature is 100 degrees Celsius, and the cooking time is after 8 hours, Continue to cook with clean water for 2 hours, take it out and let it dry naturally for 8 hours;
[0049] (2) put the bamboo chips after step (1) cooking into the vacuum box, inject liquid ammonia with 0.65 kg / cubic meter in the liquid reservoir below the vacuum box, be warming up to 80 degrees Celsius, and heat preservation and heating for 50 minutes;
[0050] (3) After stacking the bamboo slices treated in step (2) and naturally air-drying and aging for 7 days, put them into the preservative solution for soaking, turn on the ultraviolet light at the same time, soak at 45 degrees Celsius, soak for 50 minutes, remove and drain the exc...
Embodiment 3
[0063] A preparation method for a novel plywood, comprising the steps of:
[0064] (1) the original bamboo is cut into bamboo slices, the bamboo slices are flattened, after removing the green and yellow bamboo, put into 10% sodium bicarbonate solution and cook, the cooking temperature is 90 degrees Celsius, and the cooking time is after 7 hours, Continue to cook with clean water for 1.5 hours, take it out and let it dry naturally for 7 hours;
[0065] (2) the bamboo chip after step (1) steaming is put into vacuum box, injects liquefied ammonia with 0.58 kilogram / cubic meter in the liquid reservoir below vacuum box, is warming up to 70 degrees centigrade, heat preservation and heating 38 minutes;
[0066] (3) After stacking the bamboo chips treated in step (2) and naturally air-drying and aging for 7 days, put them into the preservative solution for soaking, and turn on the ultraviolet light at the same time, soaking at a temperature of 43 degrees Celsius and soaking time of 38...
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