Preparation technology of composite plastic
A technology for compounding plastics and plastics, applied in the field of compounding plastics, can solve the problems of complex production process, poor environmental protection, affecting aesthetics, etc., and achieve the effects of simple preparation process, high production efficiency and high product quality.
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Embodiment 1
[0018] Weigh 5 parts of nanoscale conductive materials, 10 parts of asphalt, 2 parts of γ-Al2O3, 2 parts of glass microspheres, 1 part of fish float, and the balance is plastic; the nanoscale conductive materials are nanoscale titanium dioxide, nanoscale zinc oxide and A mixture of nanoscale carbon tubes; the plastic is a mixture of PE, PP, PVC, EVA, PC, and PET. First, mix the nano-scale conductive material with the fish float evenly, then add glass microspheres, stir slowly and let it stand for 1 hour. After the reaction is completed, filter the filter cake, and dry the filter cake at 40°C to obtain the dried filter cake. Cake, set aside; heat the plastic to a molten state, add asphalt and γ-Al2O3, mix evenly and cool for 10 minutes to obtain a mixture; mix the dry filter and the mixture evenly and add until the extrusion temperature is 120°C and the extrusion pressure is In a 150MPa extruder, and blended for 5 minutes at a shear rate of 40 rpm, the extrudate was cooled slow...
Embodiment 2
[0020] Weigh 25 parts of nano-scale conductive materials, 15 parts of asphalt, 5 parts of γ-Al2O3, 5 parts of glass microspheres, 5 parts of fish floats, and the balance is plastic; the nano-scale conductive material is nano-scale titanium dioxide; the plastic is PVC . First, mix the nano-scale conductive material with the fish float evenly, then add glass microbeads, stir slowly and let it stand for 2 hours. After the reaction is completed, filter the filter cake, and dry the filter cake at 100°C to obtain the dried filter cake. Cake, set aside; heat the plastic to a molten state, add asphalt and γ-Al2O3, mix evenly and cool for 30 minutes to obtain a mixture; mix the dry filter and the mixture evenly and add until the extrusion temperature is 150°C and the extrusion pressure is In a 250MPa extruder, and blended for 8 minutes at a shear rate of 80 rpm, the extrudate was cooled slowly; after cooling and forming, it was granulated, and the resulting mixture was added to the twi...
Embodiment 3
[0022] Weigh 15 parts of nano-scale conductive materials, 12 parts of asphalt, 3 parts of γ-Al2O3, 4 parts of glass microspheres, 2 parts of fish floats, and the balance is plastic; the nano-scale conductive materials are nano-scale titanium dioxide, nano-scale zinc oxide and A mixture of nanoscale carbon tubes; the plastic is a mixture of PE, PP, PVC, EVA, PC, and PET. First, mix the nano-scale conductive material with the fish float evenly, then add glass beads, stir slowly and let it stand for 1.5 hours. After the reaction is completed, filter the filter cake, and dry the filter cake at 90°C to obtain Filter cake, set aside; heat the plastic to a molten state, add asphalt and γ-Al2O3, mix evenly and cool for 15 minutes to obtain a mixture; mix the dry filter and the mixture evenly and add to the extrusion temperature of 130 ° C, extrusion pressure In a 200MPa extruder, and blended for 6 minutes at a shear rate of 60 rpm, the extrudate is cooled slowly; after cooling and for...
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