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A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material and its preparation method

A cable material and high wear-resistant technology, applied in the field of wire and cable materials, can solve problems such as wear resistance of toxic and harmful gases, and achieve the effect of improving surface wear resistance and improving wear resistance.

Active Publication Date: 2017-11-03
OPTA POLYMER JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the invention: In view of the above problems, one purpose of the present invention is to provide a high wear-resistant irradiation cross-linked low-smoke halogen-free cable material with a temperature resistance level of 125°C, which solves the problem of toxic and harmful gases released when the existing wire and cable materials are burned. The problem of poor wear resistance

Method used

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  • A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material and its preparation method
  • A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material and its preparation method
  • A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material and its preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material, in terms of mass percentage, the components and the content of each component are: ethylene-vinyl acetate copolymer 12%, metallocene polyethylene 5% , Bimodal medium density polyethylene 15%, maleic anhydride grafted polyethylene 6%, aluminum hydroxide 58%, alkyl siloxane 1%, antioxidant additive 3%. The sum of the mass percentages of each component is 100%.

[0022] Among them, the density of metallocene polyethylene is 0.905g / cm 3 , the melt index is 4.0g / 10min; the vinyl acetate content of ethylene-vinyl acetate copolymer is 28g / cm 3 , the melt index is 3g / 10min; the density of bimodal medium density polyethylene is 0.923±0.003g / cm 3 , the melt index is 0.2g / 10min; the maleic anhydride grafted polyethylene graft rate is 0.7%, and the melt index is 1g / 10min; the antioxidant additive is tetrakis[β-(3,5-di-tert-butyl-4 -Hydroxyphenyl)propionic acid]pentaerythritol ester and dist...

Embodiment 2

[0032] A 125°C high wear-resistant radiation cross-linked low-smoke halogen-free cable material, in terms of mass percentage, the components and the content of each component are: ethylene-vinyl acetate copolymer 22%, metallocene polyethylene 8% , bimodal medium density polyethylene 8%, maleic anhydride grafted polyethylene 4%, magnesium hydroxide 55%, alkyl siloxane 2%, antioxidant additive 1%, the sum of the mass percentages of each component is 100%.

[0033] Among them, the density of metallocene polyethylene is 0.905g / cm 3 , the melt index is 4.0g / 10min; the vinyl acetate content of ethylene-vinyl acetate copolymer is 26g / cm 3 , the melt index is 4g / 10min; the density of bimodal medium density polyethylene is 0.923±0.003g / cm 3 , the melt index is 0.15g / 10min; the graft rate of maleic anhydride grafted polyethylene is 0.8%, and the melt index is 1.2g / 10min; the antioxidant additive is tetrakis[β-(3,5-di-tert-butyl- 4-Hydroxyphenyl) propionate] pentaerythritol ester and ...

Embodiment 3

[0043] A 125°C high wear-resistant irradiation cross-linked low-smoke halogen-free cable material, in terms of mass percentage, the components and the content of each component are: ethylene-vinyl acetate copolymer 20%, metallocene polyethylene 7% , bimodal medium density polyethylene 14%, maleic anhydride grafted polyethylene 3%, a mixture of aluminum hydroxide and magnesium hydroxide 53%, alkyl siloxane 0.5%, antioxidant additive 2.5%, each component The sum of the mass percentages is 100%.

[0044] Among them, the density of metallocene polyethylene is 0.905g / cm 3 , the melt index is 4.0g / 10min; the vinyl acetate content of ethylene-vinyl acetate copolymer is 27g / cm 3 , the melt index is 2g / 10min; the density of bimodal medium density polyethylene is 0.923±0.003g / cm 3 , the melt index is 0.25g / 10min; the maleic anhydride grafted polyethylene graft rate is 0.9%, the melt index is 0.8g / 10min; the antioxidant additive is tetrakis [β-(3,5-di-tert-butyl- 4-Hydroxyphenyl) prop...

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Abstract

The invention discloses a high-abrasion-resistant cross-linked low smoke zero halogen cable material processed under irradiation of 125 DEG C and a preparation method. The cable material comprises the following components in percent by mass: 12-22% of an ethylene-vinyl acetate copolymer, 5-8% of metallocene polyethylene, 8-15% of bimodal medium-density polyethylene, 3-6% of maleic anhydride grafted polyethylene, 53-58% of an inorganic filler, 0.5-2% of siloxane and 1-3% of an antioxidant, and the total mass percent of the components is 100%. The preparation method comprises the following steps: cable material preparation, cable extrusion production, and irradiation processing. The cable material has the advantages that the surface abrasion-resistant performance is better, the smoke release during combustion is low, no toxic and harmful gas is released, and safety and environmental protection are realized.

Description

technical field [0001] The invention relates to the technical field of wire and cable materials, in particular to a 125°C high wear-resistant irradiation cross-linked low-smoke halogen-free cable material and a preparation method thereof. Background technique [0002] Plastics for wire and cable insulation and sheathing are commonly known as cable materials. Existing wire and cable materials for vehicles use halogen-containing flame retardants. When they are in a burning state, they will release a large amount of toxic and harmful gases. After inhalation, they will cause health hazards and are not conducive to vehicle fire escape. And environmental protection requirements; and due to the large vibration generated when the vehicle is running, the wires and cables will have frequent friction during daily use, so the cable material is required to have better wear resistance. There are many types of low-smoke and halogen-free cable material products in the prior art. Convention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/08C08L51/06C08L23/06C08K13/02C08K5/5419C08K3/22
CPCC08L23/06C08L23/0853C08L51/06C08L2201/22C08L2203/202C08L2205/025C08L2205/035C08K13/02C08K2003/2227C08K5/5419C08K2003/2224
Inventor 刘家诚张成徐鑫森
Owner OPTA POLYMER JIANGSU
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