A kind of high-density polyethylene composite auxiliary agent and preparation method thereof
A technology of high-density polyethylene and compound additives, applied in the chemical industry, can solve the problems of dust pollution, inaccurate addition amount, dust electrostatic hazard, etc., and achieve the effects of reducing the amount of addition and use, reducing the yellow index and increasing the fracture strain.
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Embodiment 1
[0021] 5kg antioxidant 330, 44kg antioxidant 168, 18kg antioxidant 1076, 5kg nucleating agent HyperformHPN-20E, 15kg acid absorbing agent DHT-4A and 15kg antistatic agent are two (β-hydroxyethyl) coconut oil According to the specific gravity, the amines are put into the high-speed mixer from light to heavy, and stirred at a speed of 800 rpm for 50 seconds at a temperature of 18-22 ° C, and then discharged into the conical feeder. The screw is conveyed to the granulator. At each stage of the granulator, the temperature control device is used to control the temperature of each section to prevent the single agent from decomposing and sticking due to the difference in melting point (optimal processing temperature: The temperature of the heating section in the granulator is 55°C, the temperature of the head section is 60°C, and the air cooling temperature is 25°C). The extruded cylindrical strips pass through the conveyor belt air-cooling device to keep the speed and extrusion spee...
Embodiment 2
[0023] 15kg antioxidant 330, 54kg antioxidant 168, 28kg antioxidant 1076, 1kg nucleating agent HyperformHPN-20E, 8kg acid absorbing agent DHT-4A and 1kg antistatic agent are two (β-hydroxyethyl) coconut oil According to the specific gravity, the amines are put into the high-speed mixer from light to heavy, and stirred at a speed of 800 rpm for 50 seconds at a temperature of 15-18°C, and then discharged into the conical feeder. The screw is conveyed to the granulator. At each stage of the granulator, the temperature control device is used to control the temperature of each section to prevent the single agent from decomposing and sticking due to the difference in melting point (optimal processing temperature: The temperature of the heating section in the granulator is 55°C, the temperature of the head section is 60°C, and the air cooling temperature is 25°C). The extruded cylindrical strips pass through the conveyor belt air-cooling device to keep the speed and extrusion speed i...
Embodiment 3
[0025] 7kg antioxidant 330, 50kg antioxidant 168, 20kg antioxidant 1076, 3kg nucleating agent HyperformHPN-20E, 12kg acid absorbing agent DHT-4A and 8kg antistatic agent are double (β-hydroxyethyl) coconut oil According to the specific gravity, the amines are put into the high-speed mixer from light to heavy, and stirred at a speed of 800 rpm for 50 seconds at a temperature of 0-5°C, and then discharged into the conical feeder. The screw is conveyed to the granulator. At each stage of the granulator, the temperature control device is used to control the temperature of each section to prevent the single agent from decomposing and sticking due to the difference in melting point (optimal processing temperature: The temperature of the heating section in the granulator is 55°C, the temperature of the head section is 60°C, and the air cooling temperature is 25°C). The extruded cylindrical strips pass through the conveyor belt air-cooling device to keep the speed and extrusion speed ...
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