Compound foamed plastic-wood composite material plate and preparation method thereof
A wood-plastic composite material and composite foaming technology, applied in the field of composite foamed wood-plastic composite material sheet and its preparation, can solve the problems of application field limitation, toughness, impact strength and bending strength reduction, high density, etc. Achieve the effect of convenient manufacturing, improved air quality and low density
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Embodiment 1
[0036] PVC plastic particles 100kg, wood flour (100 mesh) 40kg,
[0037] Kaolin powder (1000 mesh) 15kg, accelerator 1kg,
[0038] Azodicarbonamide 0.8kg, o-toluenesulfonyl hydrazide 0.6kg,
[0039] Dibasic lead phosphite 0.5kg, calcium stearate 5kg,
[0040] Dibutyl phthalate 1.4kg, chlorinated polyethylene 8kg,
[0041] A kind of preparation method of composite foamed plastic-wood composite material plate of the present invention, it comprises the following steps:
[0042] (1) Weigh each raw material according to the formula quantity;
[0043] (2) Add polyvinyl chloride plastic particles and lead dibasic phosphite into the stirring tank, and mix mechanically at 90°C for 15 minutes;
[0044] (3) Add wood powder, kaolin powder, accelerator, azodicarbonamide, calcium stearate and chlorinated polyethylene into the stirring tank, raise the temperature to 110°C, stir for 15 minutes, then lower the temperature of the stirring tank to 40°C;
[0045] (4) Add o-toluenesulfonylhy...
Embodiment 2
[0049] PVC plastic particles 100kg, wood flour (80 mesh) 35kg,
[0050] Kaolin powder (800 mesh) 12kg, accelerator 0.9kg,
[0051] Azodicarbonamide 0.7kg, o-toluenesulfonyl hydrazide 0.5kg,
[0052] Dibasic lead phosphite 0.4kg, calcium stearate 4kg,
[0053] Dibutyl phthalate 1kg, Chlorinated polyethylene 6kg,
[0054] A kind of preparation method of composite foamed plastic-wood composite material plate of the present invention, it comprises the following steps:
[0055] (1) Weigh each raw material according to the formula quantity;
[0056] (2) Add polyvinyl chloride plastic particles and lead dibasic phosphite into the stirring tank, and mix mechanically at 80°C for 10 minutes;
[0057] (3) Add wood powder, kaolin powder, accelerator, azodicarbonamide, calcium stearate and chlorinated polyethylene into the stirring tank, raise the temperature to 100°C, stir for 10 minutes, then lower the temperature of the stirring tank to 30°C;
[0058] (4) Add o-toluenesulfonyl hydra...
Embodiment 3
[0062] PVC plastic particles 100kg, wood flour (120 mesh) 45kg,
[0063] Kaolin powder (1200 mesh) 18kg, accelerator 1.1kg,
[0064] Azodicarbonamide 0.9kg, o-toluenesulfonyl hydrazide 0.7kg,
[0065] Dibasic lead phosphite 0.6kg, calcium stearate 6kg,
[0066] Dibutyl phthalate 1.8kg, chlorinated polyethylene 10kg,
[0067] A kind of preparation method of composite foamed plastic-wood composite material plate of the present invention, it comprises the following steps:
[0068] (1) Weigh each raw material according to the formula quantity;
[0069] (2) Add polyvinyl chloride plastic particles and lead dibasic phosphite into the stirring tank, and mix mechanically at 100°C for 20 minutes;
[0070] (3) Add wood powder, kaolin powder, accelerator, azodicarbonamide, calcium stearate and chlorinated polyethylene into the stirring tank, raise the temperature to 120°C, stir for 20 minutes, then lower the temperature of the stirring tank to 50°C;
[0071] (4) Add o-toluenesulfon...
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