Irradiation cross-linked halogen-free low-smoke insulation material for photovoltaic electric cables
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A technology for photovoltaic cables and insulating materials, which is applied in the field of halogen-free and low-smoke insulating material manufacturing, can solve the problems of short life, poor resistance to ozone and water vapor, poor tensile strength and elongation at break mechanical properties, etc., and achieves high mechanical properties. performance, overcoming environmental and human hazards, weathering and UV-resistant effects
Inactive Publication Date: 2017-03-22
HANGZHOU GAOXIN RUBBER & PLASTIC MATERIALS CO LTD
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Problems solved by technology
[0002] At present, most solar photovoltaic cables use ordinary PVC cable materials, and ordinary PVC cable materials contain toxic substances such as halogens, which will emit hydrogen chloride gas when burned, which is easy to pollute the environment, and is not resistant to ozone and water vapor, and has a short life.
Secondly, due to the very harsh environment in which photovoltaic cables are located, not only high temperature, strong ultraviolet radiation, and high ozone content, but the tensile strength and elongation at break of the existing radiation cross-linked halogen-free low-smoke insulating materials for photovoltaic cables The mechanical properties such as rate are poor and cannot meet the required requirements
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Embodiment 1
[0007] Example 1: A radiation cross-linked halogen-free low-smoke insulating material for photovoltaic cables, mass percentage: 20%-40% of ethylene-vinyl acetate copolymer, 0%-20% of low-density polyethylene, 10% of aluminum hydroxide %-20%, calcium and magnesium carbonate 0%-10%, coupling agent and crosslinking agent 1%-10%, compatibilizer 1%-10%, antioxidant 0.1%-1%, lubricant 0.1%- 1% and stabilizer 0.1%-1%. The coupling agent and crosslinking agent are polyether modified organosilanes. The compatibilizer is ethylene-vinyl acetate copolymer grafted maleic anhydride. The antioxidant is polyphenol antioxidant 1010. Described lubricant is the mixture of aluminum stearate and microcrystalline paraffin. The stabilizer is a compound of derivatives of 2,4-dihydroxybenzophenone and 2-hydroxy-4-n-octyloxybenzophenone.
Embodiment 2
[0008] Embodiment 2: On the basis of embodiment 1, ethylene-vinyl acetate copolymer 20%-40%, low density polyethylene 0%-20%, aluminum hydroxide 10%-20%, calcium magnesium carbonate 0%- 10%, coupling agent and crosslinking agent 1%-10%, compatibilizer 1%-10%, antioxidant 0.1%-1%, lubricant 0.1%-1% and stabilizer 0.1%-1%.
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Abstract
The present invention relates to an irradiation cross-linked halogen-free low-smoke insulation material used for photovoltaic electric cables and having characteristics of no halogen, high mechanical property, strong high-temperature resistance, strong ozone resistance, strong weather resistance and strong ultraviolet resistance, wherein the components comprise 20-40% of an ethylene-vinyl acetate copolymer, 0-20% of low density polyethylene, 10-20% of aluminum hydroxide, 0-10% of calcium magnesium carbonate, 1-10% of a coupling agent and a cross-linking agent, 1-10% of a compatibilizer, 0.1-1% of an antioxidant, 0.1-1% of a lubricant, and 0.1-1% of a stabilizer. According to the present invention, the irradiation cross-linked halogen-free low-smoke insulation material has the following advantages that the harms of the traditional PVC insulation material on the environment and the human body are overcome, and the irradiation cross-linked halogen-free low-smoke insulation material is non-toxic, green and environmental protection; and the irradiation cross-linked halogen-free low-smoke insulation material has characteristics of high mechanical property, strong high-temperature resistance, strong ozone resistance, strong weather resistance and strong ultraviolet resistance.
Description
technical field [0001] The invention relates to an irradiation cross-linked halogen-free and low-smoke insulating material for photovoltaic cables that does not contain halogen and has high mechanical properties, high temperature resistance, ozone resistance, weather resistance and ultraviolet resistance, which belongs to the halogen-free and low-smoke insulating material manufacturing field. Background technique [0002] At present, most solar photovoltaic cables use ordinary PVC cable materials, and ordinary PVC cable materials contain toxic substances such as halogens, which will emit hydrogen chloride gas when burned, which is easy to pollute the environment, and is not resistant to ozone and water vapor, and has a short life. Secondly, due to the very harsh environment in which photovoltaic cables are located, not only high temperature, strong ultraviolet radiation, and high ozone content, but the tensile strength and elongation at break of the existing radiation cross-...
Claims
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Application Information
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