Low-cost solid screw cleaning agent and preparation method thereof
A screw cleaning agent and low-cost technology, applied in the field of modified materials, can solve the problems of difficulty in cleaning the screw barrel, low cleaning efficiency and high use cost, and achieve the effects of less resin consumption, improved production efficiency and low cost
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Embodiment 1
[0037] Weigh 15 parts of PP according to the mass ratio, weigh 85 parts of inorganic powder 1#, 0.3 parts of antioxidant 1010, and 8 parts of PE wax; put the weighed raw materials together into a banburying mixer with a volume of 150L for banburying , the banburying temperature is 200°C, and the banburying time is 30 minutes; the mass-mixed material is transported to a cone-double forced feeding-single-screw extruder with a screw diameter of 180cm, and melted by the single-screw extruder Mixing and extruding, and then pelletizing to make screw cleaning agent.
Embodiment 2
[0039] Weigh 35 parts of PE according to the mass ratio, weigh 65 parts of inorganic filler 1#, 0.8 part of antioxidant dioctadecyl thiodipropionate, and 3 parts of EVE wax; Banburying in a 150L internal mixer, the banburying temperature is 160°C, and the banburying time is 15 minutes; the mass-mixed material is transported to a cone-double forced-feeding-single-screw extruder with a screw diameter of 180cm , melted, kneaded and extruded by a single-screw extruder, and then pelletized to make a screw cleaning agent.
Embodiment 3
[0041] Take by weight 20 parts of ABS, weigh 80 parts of inorganic filler 1#, 0.3 part of antioxidant 1010, 0.2 part of antioxidant dioctadecyl thiodipropionate, 5 parts of calcium stearate; The good raw materials are put together into a banbury mixer with a volume of 150L for banbury mixing. The banbury temperature is 220°C and the banbury time is 20 minutes. Feeding - In the single-screw extruder, it is melted, kneaded and extruded by the single-screw extruder, and then pelletized to make a screw cleaning agent.
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