Method for preparing antibacterial ecological composite board
A composite board and ecological technology, which is applied in the field of preparation of antibacterial ecological composite boards, can solve the problems of easy cracking, poor antibacterial properties, and inability to use the whole root, and achieves good anti-cracking performance, good antibacterial properties, and reduced breeding effects.
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Embodiment 1
[0016] A preparation method for an antibacterial ecological composite board, comprising the steps of:
[0017] S1, pulverizing the bamboo and drying until a prefabricated material is obtained;
[0018] S2. Add cellulose gel to the prefabricated material, then add polyethylene glycol and water to mix evenly, heat up, keep warm, cool down, then add titanium dioxide, disproportionated rosin, polyurethane binder, mix evenly, put it into the mold for pre-pressing , molding, and natural air-drying to obtain an antibacterial ecological composite board.
Embodiment 2
[0020] A preparation method for an antibacterial ecological composite board, comprising the steps of:
[0021] S1, pulverizing the bamboo, drying to a moisture content of 3wt%, to obtain a prefabricated material;
[0022] S2. Add 30 parts of cellulose gel to 80 parts of prefabricated materials in parts by weight, then add 160 parts of polyethylene glycol and 40 parts of water and mix evenly, heat up to 135°C, keep warm for 3 hours, cool, then add 12 parts of titanium dioxide, 4 parts of disproportionated rosin and 35 parts of polyurethane adhesive are mixed evenly, put into a mold, paved and pre-pressed, shaped, and naturally air-dried to obtain an antibacterial ecological composite board.
Embodiment 3
[0024] A preparation method for an antibacterial ecological composite board, comprising the steps of:
[0025] S1, pulverizing the bamboo, drying to a moisture content of 5wt%, to obtain a prefabricated material;
[0026] S2. Add 20 parts of cellulose gel to 90 parts of prefabricated materials in parts by weight, then add 120 parts of polyethylene glycol and 80 parts of water and mix evenly, heat up to 125 ° C, keep warm for 5 hours, cool, and then add 6 parts of titanium dioxide, 8 parts of disproportionated rosin and 25 parts of polyurethane adhesive are mixed evenly, put into a mold, paved and pre-pressed, shaped, and naturally air-dried to obtain an antibacterial ecological composite board.
[0027] The cellulose gel is prepared by the following process: uniformly mix beef extract, corncob powder, glucose, and water, inoculate Gluconacetobacter xylinum, culture dynamically on a shaker, filter, and wash to obtain the cellulose gel.
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