Halogen-free flame retardant cable material

A flame-retardant cable and raw material technology, applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of hindering safe evacuation and fire extinguishing work, poor flame retardancy of polyethylene, loss of life and property, etc., to improve various performance, the effect of preventing termites from biting cables

Inactive Publication Date: 2015-02-11
ANHUI TIANYUAN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the cable burns, it releases a large amount of toxic smoke and corrosive gas, which hinders people's safe evacuation and fire fighting work, causin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A halogen-free flame-retardant cable material, made of the following raw materials in parts by weight: 70 parts of LDPE resin, 20 parts of EPDM resin, 10 parts of EVA resin, 80 parts of aluminum hydroxide, 7 parts of red phosphorus, 27 parts of magnesium hydroxide, 2.5 parts of hydrotalcite, 7.5 parts of maleic anhydride grafted, 1.5 parts of antioxidant, 1.2 parts of silicone powder.

Embodiment 2

[0016] A halogen-free flame-retardant cable material, made of the following raw materials in parts by weight: 70 parts of LDPE resin, 20 parts of EPDM resin, 10 parts of EVA resin, 80 parts of aluminum hydroxide, 7 parts of red phosphorus, 27 parts of magnesium hydroxide, 2.5 parts of hydrotalcite, 7.5 parts of maleic anhydride graft, 1.5 parts of antioxidant, 1.2 parts of silicone powder, 8 parts of abamectin, 7 parts of asarin and 10 parts of dihydrocapsaicin.

Embodiment 3

[0018] A halogen-free flame-retardant cable material, made of the following raw materials in parts by weight: 76 parts of LDPE resin, 21 parts of EPDM resin, 9 parts of EVA resin, 85 parts of aluminum hydroxide, 8 parts of red phosphorus, 25 parts of magnesium hydroxide, 2 parts of hydrotalcite, 7 parts of maleic anhydride graft, 1.5 parts of antioxidant, 1.2 parts of silicone powder, 8 parts of abamectin, 7 parts of asarin and 10 parts of dihydrocapsaicin.

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PUM

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Abstract

The invention discloses a halogen-free flame retardant cable material which is prepared from the following raw materials in parts by weight: 60-80 parts of LDPE (Low-Density Polyethylene) resin, 15-25 parts of EPDM (Ethylene-Propylene-Diene Monomer) resin, 5-15 parts of EVA (Ethylene Vinyl-Acetate Copolymer) resin, 70-90 parts of aluminium hydroxide, 6-8 parts of red phosphorus, 25-30 parts of magnesium hydroxide, 2-3 parts of hydrotalcite, 5-10 parts of maleic anhydride grafting, 1-2 parts of antioxidant and 1-1.5 parts of silicon-copper powder. The invention aims at overcoming the defects in the prior art; the magnesium hydroxide as a flame retardant is added in the cable material, so the flame-retardant effect is achieved; by adding abamectin, asarinin and dihydrocapsaicin, the condition that the cable is bitten by termite can be effectively prevented; the silicon-copper powder as a lubricating agent, the maleic anhydride grafting as a compatilizer, the antioxidant and the other components are also added, so that various properties of the flame-retardant material are improved, and the service life of the flame-retardant material is prolonged.

Description

technical field [0001] The invention relates to the technical field of cable materials, and belongs to a halogen-free flame-retardant cable material. Background technique [0002] Plastics for wire and cable insulation and sheathing are commonly known as cable materials, including rubber, plastic, nylon and other varieties. Cable material production enterprises take cable production enterprises as users, as long as there is a demand for wire and cable, there will be a market for cable materials. Except for bare wire products such as steel-cored aluminum stranded wire and electromagnetic wire, almost all wire and cable products require an insulation layer. At present, there are nearly 5,000 wire and cable production enterprises in my country, and there is also a huge demand for wire and cable products for urban and rural power grid transformation, western development, and large-scale upgrading of communication facilities. Therefore, from a period of time, cable materials hav...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/16C08L23/08C08K13/02C08K3/22C08K3/02C08K3/26C08K5/17C08K5/1565C08K5/20H01B3/44H01B3/28
CPCC08L23/06C08L2201/02C08L2201/22C08L2203/202C08L2205/035C08L2205/08C08L2207/04C08L2207/066H01B3/441
Inventor 朱李红徐华芳王江海
Owner ANHUI TIANYUAN CABLE
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