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Low-smoke halogen-free flame-retardant compound for cross-shaped framework of electric wire and preparation method thereof

A flame-retardant compound and cross-frame technology, which is applied in the field of low-smoke halogen-free flame-retardant compounds, can solve the problems of human injury, poor flame retardancy, and more smoke, and achieves less secondary fire hazard, good flame-retardant effect, etc. The effect of less smoke

Pending Publication Date: 2022-06-03
昆山德晋昌光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its flame retardancy is poor. When it is used as a cross frame material for electric wires, it is easy to burn and cause a fire under extreme conditions such as high pressure and heat source, and it will produce more smoke when burning, which will cause harm to the human body.

Method used

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  • Low-smoke halogen-free flame-retardant compound for cross-shaped framework of electric wire and preparation method thereof
  • Low-smoke halogen-free flame-retardant compound for cross-shaped framework of electric wire and preparation method thereof
  • Low-smoke halogen-free flame-retardant compound for cross-shaped framework of electric wire and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] The name of each component of the formula and the weight portion of each component are shown in the following table:

[0030]

[0031]

Embodiment 2

[0033] The name of each component of the formula and the weight portion of each component are shown in the following table:

[0034] name by weight name by weight Linear low density polyethylene 13 Cellulose acetate 8 High-density polyethylene 7 Aluminum hypophosphite 8 Ethylene Vinyl Acetate Copolymer 12 Silicone masterbatch 2 Polyethylene maleic anhydride graft material 5 polyethylene wax 2 Aluminum hydroxide 35 Trioctyl trimellitate 2 hollow glass beads 1.5 Phosphate Antioxidant 0.5 Nano-modified montmorillonite 4 / /

Embodiment 3

[0036] The name of each component of the formula and the weight portion of each component are shown in the following table:

[0037] name by weight name by weight Linear low density polyethylene 10 Cellulose acetate 6 High-density polyethylene 5 Aluminum hypophosphite 6 Ethylene Vinyl Acetate Copolymer 8 Silicone masterbatch 2 Polyethylene maleic anhydride graft material 3 polyethylene wax 2 Aluminum hydroxide 50 Trioctyl trimellitate 2 hollow glass beads 1.5 Phosphate Antioxidant 0.5 Nano-modified montmorillonite 4 / /

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PUM

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Abstract

The invention discloses a low-smoke halogen-free flame-retardant compound for a cross-shaped framework of an electric wire and a preparation method of the low-smoke halogen-free flame-retardant compound. The flame-retardant compound comprises linear low-density polyethylene, high-density polyethylene, an ethylene-vinyl acetate copolymer, a compatilizer, aluminum hydroxide, hollow glass beads, nano-modified montmorillonite, cellulose acetate, aluminum hypophosphite, silicone master batches, a lubricant, trioctyl trimellitate, an antioxidant and the like. The flame-retardant compound disclosed by the invention has better high-temperature resistance and a good flame-retardant effect, halogen-containing toxic gas can be prevented from being generated during combustion, meanwhile, generated smoke is less, and secondary fire hazard is small.

Description

technical field [0001] The invention relates to a wire cross frame material, in particular to a low-smoke halogen-free flame retardant compound for wire cross frame. Background technique [0002] Polyethylene has been widely used in the field of wire cross frame due to its light weight, high strength, good electrical insulation and many other advantages. However, its flame retardancy is poor. When used as a cross-frame material for wires, it is easy to burn and cause fire under extreme conditions such as high pressure and heat source, and more smoke will be generated when burning, which will cause harm to the human body. SUMMARY OF THE INVENTION [0003] In order to overcome the above-mentioned technical problems existing in the prior art, the present invention provides a low-smoke halogen-free flame retardant compound for wire cross frame, which has good high temperature resistance, good flame retardant effect, and avoids the production of Halogen toxic gas, produces les...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L23/06C08L1/12C08L51/06C08K7/28C08K3/22C08K9/00C08K3/34C08K5/12
CPCC08L23/0815C08K2003/2227C08L2201/08C08L2201/02C08L2201/22C08L23/06C08L23/0853C08L1/12C08L51/06C08K7/28C08K3/22C08K9/00C08K3/346C08K5/12
Inventor 徐程鹏
Owner 昆山德晋昌光电科技有限公司