A kind of PVC alloy for ultra-thin co-extrusion and preparation method thereof
An alloy and ultra-thin technology, applied in the field of ultra-thin co-extruded PVC alloy and its preparation, can solve the problems of easy bending, low-temperature impact resistance, and brittleness of production products, so as to broaden the application area and The effect of processing, reducing processing cost, good weather resistance
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Embodiment 1
[0041] Present embodiment PVC alloy formula weight part formula component is referring to embodiment 1 in following table 1, and its implementation method is as follows:
[0042] A. Through the automatic batching system, the required materials are automatically measured according to a certain formula ratio, and then put into the thermal mixer for mixing. During the thermal mixing process, the moisture in the mixture is fully removed by thermal mixing, and the materials are in the thermal mixer. After mixing to 110°C, it is discharged into a cold mixer, and after cold mixing to 40°C, foreign matter is removed by a Roots blower and a vibrating sieve, and then enters a storage tank and is homogenized for 24 hours.
[0043] B. After the powdery mixture enters the extruder from the hopper on the extrusion line, as it moves forward continuously and the temperature changes during the extrusion process, the material slowly changes from solid to viscous fluid state, and the melt passes ...
Embodiment 2
[0045] Present embodiment PVC alloy formula weight part formula component is referring to embodiment 2 in following table 1, and its implementation method is as follows:
[0046] A. Through the automatic batching system, the required materials are automatically measured according to a certain formula ratio, and then put into the thermal mixer for mixing. During the thermal mixing process, the moisture in the mixture is fully removed by thermal mixing, and the materials are in the thermal mixer. After mixing to 110°C, it is discharged into a cold mixer, and after cold mixing to 40°C, foreign matter is removed by a Roots blower and a vibrating sieve, and then enters a storage tank and is homogenized for 24 hours.
[0047] B. After the powdery mixture enters the extruder from the hopper on the extrusion line, as it moves forward continuously and the temperature changes during the extrusion process, the material slowly changes from solid to viscous fluid state, and the melt passes ...
Embodiment 3
[0049] Present embodiment PVC alloy formula weight part formula component is referring to embodiment 3 in following table 1, and its implementation method is as follows:
[0050] A. Through the automatic batching system, the required materials are automatically measured according to a certain formula ratio, and then put into the thermal mixer for mixing. During the thermal mixing process, the moisture in the mixture is fully removed by thermal mixing, and the materials are in the thermal mixer. After mixing to 120°C, it is discharged into a cold mixer, and after cold mixing to 45°C, foreign matter is removed by a Roots blower and a vibrating sieve, and then enters a storage tank and is homogenized for 24 hours.
[0051] B. After the powdery mixture enters the extruder from the hopper on the extrusion line, as it moves forward continuously and the temperature changes during the extrusion process, the material slowly changes from solid to viscous fluid state, and the melt passes ...
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