Macromolecule modified flax-plastic composite material sheet and preparation method thereof
A composite material and polymer technology, applied in the field of polymer modified hemp-plastic composite material sheet and its preparation, can solve the problems of low absolute strength, bending deformation, limited use range and life, and achieve low production cost and high rigidity. , the use of a wide range of effects
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Embodiment 1
[0021]
[0022]
[0023] ① Weigh 100kg of 1,2-dichloroethane, put it into a container, heat to 80°C, add 1kg of polyvinyl chloride powder under constant stirring, stir until the polyvinyl chloride powder is completely dissolved, cool to room temperature;
[0024] ② Add 100kg of hemp fiber to the above solution, soak it for 20min, take it out, squeeze it dry, put it in an oven at 80°C, disperse and dry it for 2.2h, then cool it naturally to room temperature to obtain the modified hemp fiber;
[0025] ③ Weigh each raw material according to the formula quantity;
[0026] ④ Turn on the double-roller rubber mixing machine, set the temperature at 165°C, put plastic particles, maleic anhydride grafted plastic particles, terpene resin, stearate and chlorinated polyethylene between the double-rollers of the rubber mixing machine , then heat up to the set temperature, keep warm until all raw materials are completely melted and evenly adhered to the roller, then add modified hemp ...
Embodiment 2
[0030]
[0031] ① Weigh 100kg of 1,2-dichloroethane, put it into a container, heat to 80°C, add 0.8kg of polyvinyl chloride powder under constant stirring, and stir until the polyvinyl chloride powder is completely dissolved. Cool to room temperature;
[0032] ② Add 100kg of hemp fiber to the above solution, soak for 15 minutes, take it out, squeeze it dry, put it in an oven at 80°C, disperse and dry it for 2 hours, then cool naturally to room temperature to obtain modified hemp fiber;
[0033] ③ Weigh each raw material according to the formula quantity;
[0034] ④ Turn on the double-roller rubber mixing machine, set the temperature at 165°C, put plastic particles, maleic anhydride grafted plastic particles, terpene resin, stearate and chlorinated polyethylene between the double-rollers of the rubber mixing machine , then heat up to the set temperature, keep warm until all raw materials are completely melted and evenly adhered to the roller, then add modified hemp fiber to...
Embodiment 3
[0038]
[0039] ① Weigh 100kg of 1,2-dichloroethane, put it into a container, heat it to 80°C, add 1.2kg of polyvinyl chloride powder under constant stirring, and stir until the polyvinyl chloride powder is completely dissolved. Cool to room temperature;
[0040] ②Add 100kg of hemp fiber to the above solution, soak for 25 minutes, take it out, squeeze it dry, put it in an oven at 80°C, disperse and dry it for 2.4 hours, then cool naturally to room temperature to obtain modified hemp fiber;
[0041] ③ Weigh each raw material according to the formula quantity;
[0042] ④ Turn on the double-roller rubber mixing machine, set the temperature at 180°C, put plastic particles, maleic anhydride grafted plastic particles, terpene resin, stearate and chlorinated polyethylene between the double-rollers of the rubber mixing machine , then heat up to the set temperature, keep warm until all raw materials are completely melted and evenly adhered to the roller, then add modified hemp fibe...
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Abstract
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