Production technology of polyethylene anti-blocking agent master batch composition
A production process and a technology for an opening agent, which is applied in the field of production technology of a polyethylene opening agent master batch composition, can solve problems such as poor opening performance, and achieve the effects of good opening performance, low friction coefficient and solving the problem of dispersibility.
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Embodiment 1
[0026] The polyethylene anti-blocking agent masterbatch composition of the present embodiment comprises polyethylene and anti-blocking agent, wherein, polyethylene: high-density polyethylene powder, melt index is 2g / 10min (test condition is 210 ℃, 2.16kg); : Silica with a fineness of 0.5 microns.
[0027] The manufacturing process includes the following steps:
[0028] 1) Under the protection of nitrogen, the polyethylene is crushed, and the crushing temperature is -35°C;
[0029] 2) The crushed material obtained in step 1) is passed through a sieve at a temperature of -5 to 0° C., and the part on the sieve is set aside for use, and the particle size of the sieve is 300 mesh;
[0030] 3) The part on the sieve obtained in step 2) and the opening agent are added to a high-speed disperser for mixing. The speed of the high-speed disperser is 1800 rpm, and the time is 35 minutes to obtain a raw material mixture. In terms of weight percentage, the raw material The mixture consists...
Embodiment 2
[0033] The polyethylene blocking agent masterbatch composition of the present embodiment comprises polyethylene and blocking agent, wherein, polyethylene: linear polyethylene pellet, melt index is 4g / 10min (test condition is 210 ℃, 2.16kg); Blocking agent: Magnesium aluminum hydrotalcite with a fineness of 0.2 microns.
[0034] The manufacturing process includes the following steps:
[0035] 1) Under the protection of nitrogen, the polyethylene is crushed, and the crushing temperature is -40°C;
[0036] 2) The crushed material obtained in step 1) is passed through a sieve at a temperature of -10 to -5°C, and the part on the sieve is set aside for use, and the particle size of the sieve is 450 mesh;
[0037] 3) The part on the sieve obtained in step 2) and the opening agent are added to a high-speed disperser for mixing. The speed of the high-speed disperser is 2500 rpm, and the time is 30 minutes to obtain a raw material mixture. In terms of weight percentage, the raw materia...
Embodiment 3
[0040] The polyethylene anti-blocking agent masterbatch composition of the present embodiment comprises polyethylene and anti-blocking agent, wherein, polyethylene: low-density polyethylene powder, melt index is 8g / 10min (test condition is 210 ℃, 2.16kg); : Diatomaceous earth with a fineness of 0.5 microns.
[0041] The manufacturing process includes the following steps:
[0042] 1) Under the protection of nitrogen, the polyethylene is crushed, and the crushing temperature is -30°C;
[0043] 2) The crushed material obtained in step 1) is passed through a sieve at a temperature of 0° C., and the part on the sieve is set aside for use, and the particle size of the sieve is 450 mesh;
[0044] 3) The part on the sieve obtained in step 2) and the opening agent are added to a high-speed disperser for mixing. The speed of the high-speed disperser is 2200 rpm, and the time is 35 minutes to obtain a raw material mixture. In terms of weight percentage, the raw material The mixture con...
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