High-tenacity sound-absorption and mildew-proof wood-plastic board and preparation method thereof
A high-toughness, wood-plastic board technology, used in manufacturing tools, wood treatment, impregnating wood, etc., can solve the problems of poor sound insulation, coupling agent pollution, human harm in interior decoration, etc., and achieve low cost and strong mechanical properties. and the effect of resilience, high added value and practical value
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Embodiment 1
[0021] A high-toughness sound-absorbing and mildew-proof wood-plastic board is prepared from the following raw materials in parts by weight:
[0022] Waste plastic 21, waste wood chips 26, polystyrene 26, attapulgite 3, bamboo charcoal powder 3, hollow glass microspheres 6, potassium titanate whiskers 3, maleic anhydride 8, sodium stearate 1.
[0023] A method for preparing a high-toughness sound-absorbing and mildew-proof wood-plastic board, comprising the following steps:
[0024] (1) Soak the waste sawdust in 15%-20% peracetic acid for 1-3h, put it in ultrasonic treatment for 10-15min, take it out, dry and grind it to 20-30 mesh at 70-80℃ for surface modification Waste sawdust powder, spare;
[0025] (2) Put waste plastics and polystyrene in a high-speed mixing mixer and mix them uniformly once. The first mixing temperature is 92°C, the stirring speed is 256r / min, and the time is 12min. Add maleic anhydride and step (1) After the surface-modified waste sawdust powder is m...
Embodiment 2
[0030] A high-toughness sound-absorbing and mildew-proof wood-plastic board is prepared from the following raw materials in parts by weight:
[0031] Waste plastic 25, waste sawdust 22, polystyrene 24, attapulgite 5, bamboo charcoal powder 6, hollow glass microsphere 7, potassium titanate whisker 4, maleic anhydride 10, sodium stearate 3.
[0032] A method for preparing a high-toughness sound-absorbing and mildew-proof wood-plastic board, comprising the following steps:
[0033] (1) Soak the waste sawdust in 15%-20% peracetic acid for 1-3h, put it in ultrasonic treatment for 10-15min, take it out, dry and grind it to 20-30 mesh at 70-80℃ for surface modification Waste sawdust powder, spare;
[0034] (2) Put waste plastics and polystyrene in a high-speed mixing mixer and mix them uniformly once. The first mixing temperature is 92°C, the stirring speed is 256r / min, and the time is 12min. Add maleic anhydride and step (1) After the surface-modified waste sawdust powder is mixed...
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