Low-density high-fluidity high-rigidity talcum powder filled polypropylene material
A technology of polypropylene material and high fluidity, applied in the field of polymer modification, can solve problems such as easy warping and deformation, poor dimensional stability, etc., and achieve high fluidity and good appearance
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[0030] Example 1
[0031] Weigh 60 parts of high fluidity homopolypropylene, 30 parts of high fluidity copolymer polypropylene, 5 parts of high fluidity ethylene-octene copolymer, 5 parts of 3000 mesh talc, 1 part of color masterbatch, and 0.3 part of antioxidant 1010, 0.3 parts of antioxidant 168;
[0032] The above-mentioned raw materials are put into a high-speed mixer and fully stirred to obtain a premix, and the premix is melted and extruded to the main feed port of the twin-screw extruder, and pelletized and dried to obtain it.
[0033] The melt extrusion conditions of the twin-screw extruder are: the temperature in the first zone is 90℃, the temperature in the second zone is 200℃, the temperature in the third zone is 200℃, the temperature in the fourth zone is 220℃, the temperature in the fifth zone is 220℃, and the temperature in the sixth zone is 220℃. The zone temperature is 220°C, the eight zone temperature is 220°C, the nine zone temperature is 220°C, the main engine s...
Example Embodiment
[0034] Example 2
[0035] Weigh 57 parts of high fluidity homopolypropylene, 30 parts of high fluidity copolymer polypropylene, 8 parts of high fluidity ethylene-octene copolymer, 5 parts of 3000 mesh talc, 1 part of color masterbatch, 0.3 part of antioxidant 1010, 0.3 parts of antioxidant 168;
[0036] The above-mentioned raw materials are put into a high-speed mixer and fully stirred to obtain a premix, and the premix is melted and extruded to the main feed port of the twin-screw extruder, and pelletized and dried to obtain it.
[0037] The melt extrusion conditions of the twin-screw extruder are: the temperature in the first zone is 90℃, the temperature in the second zone is 200℃, the temperature in the third zone is 200℃, the temperature in the fourth zone is 220℃, the temperature in the fifth zone is 220℃, and the temperature in the sixth zone is 220℃. The zone temperature is 220°C, the eight zone temperature is 220°C, the nine zone temperature is 220°C, the main engine speed...
Example Embodiment
[0038] Example 3
[0039] Weigh 60 parts of high fluidity homopolypropylene, 30 parts of high fluidity copolymer polypropylene, 8 parts of high fluidity ethylene-octene copolymer, 2.5 parts of 3000 mesh talc, 2.5 parts of 5000 mesh talc, 1 part of color Mother, 0.3 parts of antioxidant 1010, 0.3 parts of antioxidant 168;
[0040] The above-mentioned raw materials are put into a high-speed mixer and fully stirred to obtain a premix, and the premix is melted and extruded to the main feed port of the twin-screw extruder, and pelletized and dried to obtain it.
[0041] The melt extrusion conditions of the twin-screw extruder are: the temperature in the first zone is 90℃, the temperature in the second zone is 200℃, the temperature in the third zone is 200℃, the temperature in the fourth zone is 220℃, the temperature in the fifth zone is 220℃, and the temperature in the sixth zone is 220℃. The zone temperature is 220°C, the eight zone temperature is 220°C, the nine zone temperature is 2...
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