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
A polyolefin cable material, high-density polyethylene technology, used in circuits, electrical components, plastic/resin/wax insulators, etc.
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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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