High-flame retardation polyethylene cable material and preparation method thereof

A polyethylene and cable material technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor flame retardancy, decreased mechanical properties, and obstacles to the promotion of polyethylene cable materials, and achieve high safety, low cost, outstanding resistance The effect of combustion performance and mechanical properties

Inactive Publication Date: 2016-10-12
李小涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the mechanical properties of the existing polyethylene cable materials are good, the flame retardancy is poor. When more flame retardant materials are added, the flame retardancy will be improved, but the mechanical properties will decrease again, which makes the promotion of polyethylene cable materials Therefore, it is necessary to improve the formula and develop a polyethylene cable material with good mechanical properties and flame retardant properties.

Method used

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  • High-flame retardation polyethylene cable material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 A high flame-retardant polyethylene cable material is mainly prepared from the following raw materials (100kg per part): 110 parts of polyethylene, 16 parts of chlorinated paraffin, 4 parts of sulfur, 6 parts of epoxidized soybean oil, and 6 parts of diatomaceous earth , 5 parts of zinc borate, 8 parts of clay, 2 parts of dioctyl phthalate, 3 parts of white carbon black, 10 parts of aluminum hydroxide, 2 parts of stearic acid, 0.4 parts of dilauryl thiodipropionate.

[0025] A preparation method of high flame retardant polyethylene cable material is:

[0026] (1) Put aluminum hydroxide in an oven at 80°C and dry to constant weight at constant temperature, take it out, and pulverize it through a 60-mesh sieve;

[0027] (2) Place chlorinated paraffin, sulfur, zinc borate, clay, dioctyl phthalate and white carbon black in a mixer, stir and mix, then transfer to a grinder, and grind for 2 hours;

[0028] (3) Put polyethylene into the mixer, heat it with 0.2MPa...

Embodiment 2

[0030] Example 2 A high flame-retardant polyethylene cable material is mainly prepared from the following raw materials (100kg per part): 124 parts of polyethylene, 21 parts of chlorinated paraffin, 10 parts of sulfur, 11 parts of epoxidized soybean oil, and 12 parts of diatomite , 11 parts of zinc borate, 12 parts of clay, 6 parts of dioctyl phthalate, 6 parts of white carbon black, 16 parts of aluminum hydroxide, 4 parts of stearic acid, 0.8 parts of dilauryl thiodipropionate.

[0031] A preparation method of high flame retardant polyethylene cable material is:

[0032] (1) Put aluminum hydroxide in an oven at 80°C and dry to constant weight at a constant temperature, take it out, and smash it through a 100-mesh sieve;

[0033] (2) Place chlorinated paraffin, sulfur, zinc borate, clay, dioctyl phthalate and white carbon black in a mixer, stir and mix, then transfer to a grinder, and grind for 4 hours;

[0034] (3) Put polyethylene into the mixer, heat it with 0.4MPa stea...

Embodiment 3

[0036] Example 3 A high flame-retardant polyethylene cable material is mainly prepared from the following raw materials (100kg each): 114 parts of polyethylene, 18 parts of chlorinated paraffin, 6 parts of sulfur, 8 parts of epoxidized soybean oil, and 8 parts of diatomaceous earth , 7 parts of zinc borate, 9 parts of clay, 3 parts of dioctyl phthalate, 4 parts of white carbon black, 12 parts of aluminum hydroxide, 2.5 parts of stearic acid, 0.5 part of dilauryl thiodipropionate.

[0037] A preparation method of high flame retardant polyethylene cable material is:

[0038] (1) Put aluminum hydroxide in an oven at 80°C and dry to constant weight at a constant temperature, take it out, and pulverize it through a 70-mesh sieve;

[0039](2) Place chlorinated paraffin, sulfur, zinc borate, clay, dioctyl phthalate and white carbon black in a mixer, stir and mix, then transfer to a grinder, and grind for 2.5 hours;

[0040] (3) Put polyethylene into the mixer, heat it with 0.2MPa...

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Abstract

The invention discloses a high-flame retardation polyethylene cable material. The high-flame retardation polyethylene cable material is mainly prepared from, by mass, 110-124 parts of polyethylene, 16-21 parts of chlorinated paraffin, 4-10 parts of sulfur, 6-11 parts of epoxidized soybean oil, 6-12 parts of diatomite, 5-11 parts of zinc borate, 8-12 parts of potter's clay, 2-6 parts of dicapryl phthalate, 3-6 parts of white carbon black, 10-16 parts of aluminum hydroxide, 2-4 parts of stearic acid and 0.4-0.8 parts of lauryl thiodipropionate. The cable material prepared in the invention has the advantages of protruding flame retardation performance, protruding mechanical performances, small smoke amount and high safety.

Description

technical field [0001] The invention relates to the field of cable materials, in particular to a high flame-retardant polyethylene cable material and a preparation method thereof. Background technique [0002] With the progress of society and the development of science and technology, people's demand for low-smoke, halogen-free and flame-retardant materials is increasing. In many large public places, in order to avoid secondary disasters caused by cable fires (a large amount of smoke and acid gas are produced when cables burn). For wires and cables specially used to transmit electric energy and communication signals, it is not only required to have flame retardant properties such as preventing flame spread when the cable and the surrounding environment catch fire, and can maintain the cable to continue to transmit electric energy and communication signals. It should have low smoke generation, low corrosiveness of the generated gas, and facilitate the safe evacuation of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L91/06C08L91/00C08K13/02C08K3/06C08K3/34C08K3/38C08K5/12C08K3/36C08K3/22H01B3/44H01B7/295
CPCC08L23/06C08L2201/02C08L2201/22C08L2203/202C08L2205/02C08L2205/03H01B3/441H01B7/295C08L91/06C08L91/00C08K13/02C08K3/06C08K3/346C08K2003/387C08K5/12C08K3/36C08K2003/2227
Inventor 不公告发明人
Owner 李小涛
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