150-DEG C high-strength high-electric-property oil-resistant irradiation crosslinking halogen-free flame retardant environment-friendly polyolefin cable material and production method thereof
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A polyolefin cable material, high-density polyethylene technology, used in circuits, electrical components, plastic/resin/wax insulators, etc.
Active Publication Date: 2014-03-19
河南通达久通电缆有限公司
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[0004]With the development of my country's national economy, the demand for cable materials in my country is growing rapidly, especially high temperature resistance, low smoke and halogen free, flame retardant and environmental protection, high strength, high electricity The demand for high-performance and oil-resistant cable materials is relatively large, but the quality and quantity of domestic high-temperature-resistant, high-strength, high-electricity, oil-resistant, low-smoke, halogen-free, flame-retardant and environmentally friendly wire and cable materials cannot meet market demand.
Therefore, it is expected to develop a 150°C high-strength, high-electricity, oil-resistant, radiation-resistant, halogen-free, flame-retardant and environmentally friendly polyolefin cable material, but so far there is no such cable with excellent performance that can be used for 150°C high-strength, high-electricity, oil-resistant radiation cross-linking materials. Lian Halogen Free Flame Retardant Environmental Protection Polyolefin Cable Material Public Report
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Embodiment 1
[0028] 20 parts of EPDM rubber, 30 parts of high-density polyethylene, 25 parts of metallocene polyethylene, 10 parts of methyl vinyl silicone rubber, 25 parts of nitrile silicone rubber, 2 parts of sensitizer, 20 parts of halogen-free flame retardant , 3 parts of smoke suppressant, 1.5 parts of anti-aging agent, 1.0 part of antioxidant, 1.5 parts of lubricant, 4 parts of softener, 5 parts of active agent, 20 parts of white carbon black, 20 parts of talcum powder, and 2.5 parts of coloring agent.
[0029] EPDM is Nordel2722, high-density polyethylene (HDPE) is 2480, metallocene polyethylene (mPE) is E2005, and the sensitizer is trimethylolpropane trimethacrylate (TMPTMA). The halogen flame retardant is silicon nitrogen polymer flame retardant, the smoke suppressant is molybdenum trioxide, the anti-aging agent is 1 part of MB and 0.5 part of DNP, the antioxidant is 0.4 part of 288 and 0.6 part of 300, and the lubricant is Silicon lubricant, softener is cylinder oil, active agen...
Embodiment 2
[0057] Example 3
Embodiment 3
[0059] The data in Table 1 are obtained according to the general test method for cable insulation and power sheath materials GB / T 2951-1997.
[0060] Table 1
[0061] Experimental content Example 1 Example 2 Example 3 Oil resistance test tensile strength change rate 22.3% 24.3% 23.2% Change rate of elongation at break in oil resistance test -33.6% -35.4% -36.1% elongation under load 63% 65% 60% permanent deformation after cooling 3% 3% 2%
[0062] Example 4
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Abstract
The invention provides a 150-DEG C high-strength high-electric-property oil-resistant irradiation crosslinking halogen-free flame retardant environment-friendly polyolefin cable material which is applied to the products such as an electric equipment wire, a motor lead wire, an oil platform cable, a photovoltaic cable, a marine cable, an automobile wire and a rolling stock cable. The cable material is prepared from the following raw materials: ethylene-propylene-diene monomer, high-density polyethylene, metallocene polyethylene, methyl vinyl silicone rubber, nitrile silicone rubber, a sensitizer, a halogen-free flame retardant, an antismoke agent, an anti-aging agent, an antioxidant, a lubricant, a softener, an active agent, white carbon black, talcum powder and a coloring agent. The polyolefin cable material provided by the invention has good comprehensive performance in high-temperature resistance, wear resistance, high electric property, oil resistance, high strength, low smoke, no halogen, good fluidity and the like; and the environment-friendly performance meets the requirements of electric wires and cables.
Description
[0001] technical field [0002] The invention belongs to the technical field of cable materials, and particularly relates to a 150°C high-strength, high-electricity, oil-resistant, radiation-resistant cross-linked halogen-free flame-retardant and environment-friendly polyolefin cable material and a production method thereof. Background technique [0003] At present, halogen-free, low-smoke, flame-retardant, environmentally friendly polyolefin high-temperature-resistant 150°C special cables mainly include: 150°C radiation cross-linked flame-retardant polyolefin insulated electrical equipment wires; heat-resistant 150°C high-strength oil-resistant cross-linked polyolefin insulation without halogen Cables for smoke and flame-retardant locomotives; 150°C irradiation cross-linked flame-retardant polyolefin automotive wires; 150°C irradiation cross-linked polyolefin insulated motor winding leads; cables for oil platforms, photovoltaic cables, etc., the conditions for use of these c...
Claims
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