Low smoke halogen-free flame retardant material applicable to photovoltaic cable and manufacturing method thereof

A technology for photovoltaic cables and flame-retardant materials, which is applied in the field of low-smoke, halogen-free flame-retardant materials and their manufacturing, which can solve the problems of increasing cable manufacturing costs and usage costs, penetration of the outer sheath and insulation layer of cables, and inability to meet the use in humid environments and other problems, to achieve the effect of easy industrial promotion and production, good insulation and excellent water resistance

Active Publication Date: 2014-06-25
苏州红麒麟塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some shallow beaches, tidal flats, fish ponds, lakes and other areas have high requirements on the water resistance, salt spray resistance, sunlight aging resistance and other weather resistance of the cables of photovoltaic power stations, while the cable materials selected for ordinary cross-linked cables have water resistance, acid resistance Poor alkalinity, long-term wet conditions or long-term immersion i

Method used

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  • Low smoke halogen-free flame retardant material applicable to photovoltaic cable and manufacturing method thereof
  • Low smoke halogen-free flame retardant material applicable to photovoltaic cable and manufacturing method thereof
  • Low smoke halogen-free flame retardant material applicable to photovoltaic cable and manufacturing method thereof

Examples

Experimental program
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Embodiment 1

[0026] 32% (mass fraction) of EPDM rubber, 7% LLDPE, 8% silicone oil, 0.5% hydrophobic modifier, and 0.2% initiator (DCP) were sequentially added to the internal mixer for aerobic oil-filled chain-breaking dynamic vulcanization. Double-feeding, through twin-screw extrusion and granulation to obtain hydrophobically modified pellets A. Put 40% of aluminum hydroxide (ATH), 8% of melamine cyanurate (MCA), and 0.7% of hydrophobic silane coupling agent into a high-speed mixer in sequence, and perform physical blending for 10 minutes to obtain a uniformly dispersed hydrophobic flame retardant Agent B. Add hydrophobically modified material A, 0.8% antioxidant (AO), 1.5% carbon black (Cabot N220), 1% zinc stearate, and 0.3% EBS to the high mixer in order to neutralize the hydrophobic resistance. Fuel B is physically blended together. Put the uniformly mixed material into the internal mixer for high-temperature shear blending to make the material plasticized. The material is extruded ...

Embodiment 2

[0028] 30% (mass fraction) of polybutadiene rubber, 9% of MLLDPE, 6% of naphthenic oil, 0.5% of hydrophobic modifier, and 0.2% of initiator (DCP) were added to the internal mixer in sequence to carry out aerobic oil-filled chain breaking dynamic vulcanization, Hydrophobic modified pellets A are obtained through twin-screw extrusion and granulation through cone double feeding. Put 13% of aluminum hydroxide (ATH), 27% of magnesium hydroxide (MH), 10% of melamine cyanurate (MCA), and 0.5% of hydrophobic silane coupling agent into the high-speed mixer in sequence, and perform physical blending for 15 minutes , to obtain the hydrophobic flame retardant B evenly mixed and dispersed. Add hydrophobically modified particle A, 0.8% antioxidant (AO), 1.5% carbon black (Cabot N550), 0.5% zinc stearate, and 1% EBS to the high mixer in order to neutralize the hydrophobic flame retardant B are physically blended together. Put the uniformly mixed material into the internal mixer for high-te...

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Abstract

The invention discloses a low smoke halogen-free flame retardant material applicable to a photovoltaic cable, and a manufacturing method of the material. The manufacturing method is simple in process and easy for industrial popularization and production, the produced material is a low-smoke environment-friendly product, is free of halogen, heavy metal or other substances harmful to the environment, and has good surface property, good insulation and excellent water resistance, acid-base corrosion resistance and high/low temperature resistance. 3MPa water resistance tests prove that the photovoltaic cable prepared from the material disclosed by the invention has the insulation resistance retention rate being greater than 98%; after the photovoltaic cable is soaked in 5% saline water at 90 DEG C for 14 days, the physical and mechanical property retention rate e of the cable material is greater than 80%; the test if rapid aging for 100 hours at 185 DEG C shows that the physical and mechanical property retention rate of the cable material is greater than 65%, and the extrapolation prolonged service life can be 25 years.

Description

technical field [0001] The invention relates to a low-smoke, halogen-free flame-retardant material and a manufacturing method thereof, in particular to a low-smoke, halogen-free, flame-retardant material suitable for photovoltaic cables in shallow water or humid environments such as shallow beaches, tidal flats, fish ponds, and lakes, and a manufacturing method thereof . Background technique [0002] With the publication of "Several Opinions of the State Council on Promoting the Healthy Development of the Photovoltaic Industry", the average annual installed capacity of photovoltaic power generation in the country will be about 10GW from 2013 to 2015. By 2015, the total installed capacity will reach more than 35GW. "Several Opinions of the State Council on Promoting the Healthy Development of the Photovoltaic Industry" also pointed out that the domestic application market is underdeveloped and the technological innovation ability is not strong in terms of actively developing...

Claims

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Application Information

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IPC IPC(8): C08L9/00C08L83/04C08L23/16C08L23/06C08L23/12C08L23/08C08L23/00C08L91/00C08K13/02C08K3/22C08K3/34C08K5/3492
Inventor 肖兴壮徐丹张海涛
Owner 苏州红麒麟塑胶有限公司
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