Antistatic functional masterbatch, production process thereof, and production process of polyethylene pipes
A functional masterbatch and antistatic technology, which is applied in the field of polyolefin modification and polyethylene pipes, can solve the problems of increased product cost, decreased electrical conductivity, and difficult dispersion of carbon black, so as to improve impact strength, reduce product cost, and improve appearance smooth effect
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[0024] Example 1, the production process of an antistatic functional masterbatch described in this embodiment includes the following steps:
[0025] 1) In terms of weight percentage, sequentially add 20% superconducting carbon black, 1% coupling agent and 1% lubricant to the high-speed mixer, stir at high speed for 8-10 minutes, and the heating temperature of the high-speed mixer is 40-105℃. Discharge cooling;
[0026] 2) Add the cooling material obtained in step 1), 40% linear low density polyethylene (LLDPE) and 5% dispersant to the internal mixer for banburying. When the banburying reaches 120-130℃, add the remaining 33% linear Low-density polyethylene (LLDPE), discharging at 170-180℃;
[0027] 3) The block obtained in step 2) is extruded and pelletized by a rubber-plastic single-screw extruder, and the extrusion temperature is set at 160-190°C.
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