Processing method for supra-macromolecule polyethylene composite pipe
A technology of ultra-high polymer and composite steel pipes, which is applied in the field of pipe material manufacturing, can solve the problems of poor corrosion resistance, short service life, and low hardness of steel pipes, and achieve the effects of reducing production costs, increasing service life, and improving notch impact strength
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Embodiment 1
[0012] A processing method for ultra-high molecular polyethylene composite steel pipe, comprising the following steps:
[0013] (1) Mix the raw materials ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant evenly, and the mass ratio of ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant is 85-95:1-2 : 2.7-13.9:0.1-0.3, uniformly mixed raw materials are added to the barrel of the screw extruder, under the action of barrel temperature and screw rotation, compaction and mixing, the solid raw materials are transformed into a uniform melt with fluidity, The uniform melt moves to the front end of the barrel with the rotation of the screw. Under the action of the screw rotation, it passes through a die of a certain shape on the screw extruder to obtain a pipe with the same shape as the die. The pipe passes through a shaping device and a cooling device. The cooling adopts the water-oil cooling method to ma...
Embodiment 2
[0019] A processing method for ultra-high molecular polyethylene composite steel pipe, comprising the following steps:
[0020] (1) Mix the raw materials ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant 1010 evenly. The mass ratio of ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant is 85:1:13.9: 0.1, the uniformly mixed raw materials are added to the barrel of the screw extruder, under the action of the barrel temperature and screw rotation, compaction and mixing, the solid raw materials are transformed into a fluid uniform melt, and the uniform melt follows the rotation of the screw Move to the front end of the barrel, under the action of screw rotation and extrusion, pass through a die of a certain shape on the screw extruder to obtain a pipe that is consistent with the shape of the die. The pipe passes through a shaping device and a cooling device, and the cooling adopts water-oil cooling. ...
Embodiment 3
[0024] A processing method for ultra-high molecular polyethylene composite steel pipe, comprising the following steps:
[0025] (1) Mix the raw materials ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant 1076 evenly. The mass ratio of ultra-high molecular weight polyethylene resin, graphite, polyethylene wax, and antioxidant is 90:2.3:6.5: 0.2, the uniformly mixed raw materials are added to the barrel of the screw extruder, under the action of barrel temperature and screw rotation, compaction and mixing, the solid raw materials are transformed into fluid uniform melts, and the uniform melts follow the rotation of the screw Move to the front end of the barrel, under the action of screw rotation and extrusion, pass through a die of a certain shape on the screw extruder to obtain a pipe that is consistent with the shape of the die. The pipe passes through a shaping device and a cooling device, and the cooling adopts water-oil cooling. Aft...
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