High-temperature-resistant high-density polyethylene geomembrane and preparation method thereof
A high-density polyethylene and geomembrane technology is applied in the field of high-density polyethylene geomembrane to achieve the effects of improving chemical stability, flexibility, tensile properties and stress cracking resistance.
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Examples
Embodiment 1
[0035] A high-temperature-resistant high-density polyethylene geomembrane, each raw material component is weighed according to the following proportions by mass:
[0036]
[0037]
[0038] The preparation method is as follows:
[0039] Weigh the above raw materials according to the formula, put them into the mixer and mix for 30 minutes, then send them into the hopper of the three-layer co-extrusion blow molding equipment through the automatic feeder (the temperature setting of each section of the extruder: 185°C, 215°C, 235°C, 235°C, 235°C, 225°C; the connecting body temperature is set to 225°C, the die head temperature is set to 215°C; the length-to-diameter ratio of the extruder screw is 30:1; the die head gap is 3.2mm; the inflation ratio is 1.08; screw speed 52r / min), after the raw materials enter the extruder, they are sheared, melted, plasticized, extruded from the circular die, blown by air, cooled and shaped into a tubular film tube, and then pulled, Cut open a...
Embodiment 2
[0041] A high-temperature-resistant high-density polyethylene geomembrane, each raw material component is weighed according to the following proportions by mass:
[0042]
[0043] The preparation method is as follows:
[0044]Weigh the above raw materials according to the formula, put them into the mixer and mix for 30 minutes, then send them into the hopper of the three-layer co-extrusion blow molding equipment through the automatic feeder (the temperature setting of each section of the extruder: 185°C, 215°C, 235°C, 235°C, 235°C, 225°C; the connecting body temperature is set to 225°C, the die head temperature is set to 215°C; the length-to-diameter ratio of the extruder screw is 35:1; the die head gap is 3.2mm; the inflation ratio is 1.06; screw speed 58r / min), after the raw materials enter the extruder, they are sheared, melted, plasticized, extruded from the circular die, blown by air, cooled and shaped into a tubular film tube, and then pulled, Cut open and flatten in...
Embodiment 3
[0046] A high-temperature-resistant high-density polyethylene geomembrane, each raw material component is weighed according to the following proportions by mass:
[0047]
[0048] The preparation method is as follows:
[0049] Weigh the above raw materials according to the formula, put them into the mixer and mix for 30 minutes, then send them into the hopper of the three-layer co-extrusion blow molding equipment through the automatic feeder (the temperature setting of each section of the extruder: 185°C, 215°C, 235°C, 235°C, 235°C, 225°C; the connecting body temperature is set to 225°C, the die head temperature is set to 215°C; the length-to-diameter ratio of the extruder screw is 40:1; the die head gap is 3.2mm; the inflation ratio is 1.02; screw speed 60r / min), after the raw materials enter the extruder, they are sheared, melted, plasticized, extruded from the circular die, blown by air, cooled and shaped into a tubular film tube, and then pulled, Cut open and flatten i...
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Abstract
Description
Claims
Application Information
- IPC
- C08L23/06; C08K13/02; C08K3/04; C08K5/134; C08K5/526; C08J5/18; B29C48/08; B29C48/21; B29C48/49; B29C48/625
- CPC
- B29C48/022; B29C48/08; B29C48/21; B29C48/49; B29C48/625; C08J5/18; C08J2323/06; C08J2423/06
- Inventors
- 刘继明; 庄新