Carbon nanotube conductive masterbatch and preparation method thereof
A conductive masterbatch and carbon nanotube technology, which is applied in the field of carbon nanotube conductive masterbatch and its preparation, can solve problems such as difficulty in large-scale production, potential safety hazards in large-scale production, and difficulty in dispersing carbon nanotubes, achieving low cost , reduce harmful pollution, good compatibility
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Embodiment 1
[0048] Mix 10kg3# white oil with 1000g montan wax, heat to 90°C to melt the montan wax, and stir evenly;
[0049] Add 250g of dispersing aid, stir to make the dispersant evenly distributed in the system, then add 500g of multi-walled carbon nanotubes, 3250g of PE powder, and stir with a high-speed stirrer at 2000 rpm for 30 minutes. The dispersant and montan wax are fully infiltrated into the carbon In the nanotube gap, the carbon nanotubes are evenly dispersed;
[0050] After the material is cooled, use pressing to squeeze out excess white oil, and then put it in an oven for drying at 95°C;
[0051]The dried material is put into a twin-screw extruder for blending, extrusion and granulation to obtain a 10% carbon nanotube conductive masterbatch with a particle size of a modified PE matrix of about 4 mm.
Embodiment 2
[0053] Mix 10kg3# white oil with 2000g montan wax, heat to 90°C to melt the montan wax, and stir evenly;
[0054] Add 500g of dispersing aid, stir to make the dispersant evenly distributed in the system, then add 1000g of multi-walled carbon nanotubes, 1500g of PE powder, and stir with a high-speed stirrer at 2000 rpm for 30 minutes. The dispersant and montan wax are fully infiltrated into the carbon In the nanotube gap, the dispersion is uniform;
[0055] After the material is cooled, use pressing to squeeze out excess white oil, and then put it in an oven for drying at 95°C;
[0056] The dried material is put into a twin-screw extruder for blending, extrusion and granulation to obtain a 20% carbon nanotube conductive masterbatch with a particle size of a modified PE matrix of about 4 mm.
Embodiment 3
[0058] Mix 10kg3# white oil with 1000g montan wax, heat to 90°C to melt the montan wax, and stir evenly;
[0059] Add 250g of dispersing aid, stir to make the dispersant evenly distributed in the system, then add 500g of multi-walled carbon nanotubes, 3250g of PP powder, and stir with a high-speed stirrer at 2000 rpm for 30 minutes, the dispersant and montan wax are fully infiltrated into the carbon In the nanotube gap, the dispersion is uniform;
[0060] After the material is cooled, use pressing to squeeze out excess white oil, and then put it in an oven for drying at 95°C;
[0061] The dried material is put into a twin-screw extruder for blending, extrusion and granulation to obtain a 10% carbon nanotube conductive masterbatch with a particle size of the modified PP matrix of about 4 mm.
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Abstract
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