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Flame-retardant antistatic polyethylene pipe and making method thereof
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A flame retardant, antistatic, polyethylene pipe technology, used in hoses, pipes, pipes/pipe joints/fittings, etc. Good synergistic effect of static electricity and flame retardant, low resistance and soft texture
Inactive Publication Date: 2015-01-14
东港市远东节水灌溉设备有限公司
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Abstract
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Problems solved by technology
With the continuous development of carbon black technology, in recent years, a small amount of carbon black can be added to the composite material to obtain a good antistatic effect. However, due to the large specific surface of the conductive carbon black, adding it to the resin will still seriously Affect the melt viscosity of the composite material, and there will be excessive torque and unstable extrusion during the extrusion process.
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Embodiment 1
[0019] 1) Weighing: 40kg of high-density polyethylene, 10kg of zinc borate, 40kg of nano-conductive carbon black, 5kg of aluminatecoupling agent, and 5kg of auxiliary agent;
[0020] Among them, nano conductive carbon black is composed of 5kgN330, 15kgN220, 20kgN550.
[0021] 2) Mix the various raw material components obtained in step 1), then fully stir for 8 minutes through a high-speed kneader, and then blend and granulate through a single-screw extruder;
[0022] 3) The pellets obtained in step 1) are then extruded through the pipe machine and pipe extrusion auxiliary machine, dried, squeezed, cooled, shaped, drawn, and coiled by a coiler to obtain the finished pipe.
Embodiment 2
[0024] 1) Weighing: 50kg of high-density polyethylene (HDPE), 15kg of zinc borate, 30kg of nano-conductive carbon black, 2kg of aluminatecoupling agent, and 3kg of auxiliary agent;
[0025] Among them, nano conductive carbon black is composed of 30kgN330 and 10kgN550.
[0026] 2) Mix the various raw material components obtained in step 1), then fully stir for 10 minutes through a high-speed kneader, and then blend and granulate through a single-screw extruder;
[0027] 3) The pellets obtained in step 1) are then extruded through the pipe machine and pipe extrusion auxiliary machine, dried, squeezed, cooled, shaped, drawn, and coiled by a coiler to obtain the finished pipe.
Embodiment 3
[0029] 1) Weighing: 58kg of high-density polyethylene (HDPE), 20kg of zinc borate, 20kg of nano-conductive carbon black, 1kg of aluminate coupling agent, and 1kg of auxiliary agent;
[0030] Wherein, nano conductive carbon black is N550.
[0031] 2) Mix the various raw material components obtained in step 1), then fully stir for 12 minutes through a high-speed kneader, and then blend and granulate through a single-screw extruder;
[0032] 3) The pellets obtained in step 1) are then extruded through the pipe machine and pipe extrusion auxiliary machine, dried, squeezed, cooled, shaped, drawn, and coiled by a coiler to obtain the finished pipe.
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Abstract
The invention discloses a flame-retardant antistatic polyethylenepipe and a making method thereof. The pipe comprises the following raw materials by weight: 40%-60% of high densitypolyethylene (HDPE), 10%-20% of zinc borate, 20%-40% of special nanometer conductive carbon black, 1%-5% of a coupling agent, and 1%-5% of auxiliary agents. The flame-retardant antistatic polyethylenepipe provided by the invention has good antistatic and flame-retardant synergistic effect, excellent antistatic properties and flame retardance, light weight, soft texture, good toughness, coilability, corrosion resistance, resistance to erosion of various chemical media, smooth inner wall, and small resistance. Difficult to scale in use, the pipe has better wear resistance than rubber tubes and pure polyethylene pipes, and has simple ingredients and is easy to prepare. The pipe provided by the invention can completely replace steel pipes to be widely used in drainage, water supply, air compression and gas drainage, and has the advantages of no toxicity and sanitation, light weight, and convenient construction.
Description
technical field [0001] The invention relates to a pipe, in particular to a flame-retardant and antistatic polyethylene pipe and a manufacturing method thereof. technical background [0002] In recent years, due to the advantages of low price, light weight, convenient installation, and environmental protection, polyethylene pipes have been widely used in various fields due to the promotion of national policies. Plastic pipes have the advantages of good corrosion resistance, low cost, light weight, long life, and convenient installation. However, plastic pipes are also prone to static electricity, flammable, low pressure resistance, poor impact resistance, complex production formula, and inconvenient operation. Disadvantages, therefore, the polyethylene material needs to be further adjusted to improve and perfect its performance. [0003] In addition to the physical and mechanical properties of general plastic pipes, polyethylene pipes for mining should also meet the special ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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