Inflaming-retarding mildew-proof bamboo-plastic board and preparation method thereof
A bamboo-plastic and board technology, which is applied in the field of flame-retardant and mildew-proof bamboo-plastic board and its preparation, can solve the problems of large bamboo fiber length-to-diameter ratio, affecting the performance of composite materials, and poor material fluidity, so as to increase the addition ratio and improve processing Performance, effect of increasing fluidity
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Embodiment 1
[0042] A flame-retardant and mold-proof bamboo-plastic board. The raw materials of the flame-retardant and mold-proof bamboo-plastic board in parts by weight include: 25 parts by weight of polyethylene, 65 parts of bamboo powder, 15 parts of rice husk, 5 parts of halogen antimony flame retardant, 2 parts of composite preservative, 1 part of talc, 0.5 part of maleic anhydride, 10 parts of silane coupling agent, 0.5 part of soda ash, 3 parts of coloring agent; the composite preservative consists of chlorothalonil and pyrethrin in a weight ratio of 1: 2 composition.
[0043] The bamboo powder is prepared from the leftovers of bamboo heads. Specifically, the leftovers of bamboo heads are transported to a high-temperature and high-pressure carbonization pot, and the carbonization treatment is carried out at a steam pressure of 0.4 MPa and a temperature of 150°C for 50 minutes. The carbonized bamboo is transported to The drying oven is dried at 55°C for 120 hours, and dried to a moistu...
Embodiment 2
[0051] A flame-retardant and mold-proof bamboo-plastic board. The raw materials of the flame-retardant and mold-proof bamboo-plastic board in parts by weight include: 25 parts by weight of polyethylene, 65 parts of bamboo powder, 15 parts of rice husk, 5 parts of halogen antimony flame retardant, 2 parts of composite preservative, 1.5 parts of talc, 0.5 part of maleic anhydride, 10 parts of silane coupling agent, 0.5 part of soda ash, 3 parts of coloring agent; the composite preservative is composed of chlorothalonil and pyrethrum in a weight ratio of 1: 2 composition.
[0052] The preparation method of the bamboo powder is: bamboo felling-cleaning and disinfection (50% H 2 O 2 +50%H 2 O, 80℃ / 8h)-natural drying (natural drying 48 hours )- crushing (crusher)-primary crushing (hammer crusher)-fermentation, covering the bamboo shavings and stacking insulation materials for 28 days , Keep the moisture content 12%-secondary crushing (hammer mill, heated air 150℃ to control the moist...
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