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A kind of preparation method of oil resistant flame retardant cable material

A flame-retardant cable material and oil-resistant technology, which is applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of poor compatibility between ammonium polyphosphate and organic materials, and cannot fully meet the mechanical performance requirements. Achieve structural stability, improve oil resistance, and increase compatibility

Active Publication Date: 2019-10-18
河北百川电线电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ammonium polyphosphate has poor compatibility with organic materials and cannot fully meet the requirements of mechanical properties. In order to make it play a role in flame retardancy, its surface needs to be modified in many cases.

Method used

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  • A kind of preparation method of oil resistant flame retardant cable material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 1. Preliminary preparation:

[0039] Preparation of the mixed organic solvent: in parts by weight, 10 parts of n-butylmercaptan, 12 parts of fullerenol and 30 parts of deionized water were mixed and stirred evenly to obtain the mixed organic solvent.

[0040] Preparation of soaked EPDM rubber: In parts by weight, 10 parts of acetone and 25 parts of diethylene glycol were mixed, added to EPDM rubber and soaked for 24 hours to obtain soaked EPDM rubber.

[0041] Preparation of oil-resistant elastomer: In parts by weight, heat up the internal mixer to 160°C, then add 5 parts of carbonyl iron, 8 parts of supercritical carbon dioxide and 3 parts of peroxide to 100 parts of soaked EPDM rubber After the lauroyl is mixed, put it into the internal mixer, and after internal mixing at a speed of 60r / min for 20 minutes, cut the knife 3 times on the left and right, make the triangle bag 8 times, and then release the slices. °C and a pressure of 10 MPa for 10 minutes to obtain an oi...

Embodiment 2

[0048] 1. Preliminary preparation:

[0049] Preparation of the mixed organic solvent: in parts by weight, 10 parts of n-butyl mercaptan, 13 parts of fullerenol and 37 parts of deionized water were mixed and stirred evenly to obtain the mixed organic solvent.

[0050] Preparation of soaked EPDM rubber: In parts by weight, 10 parts of acetone and 27 parts of diethylene glycol were mixed, added to EPDM rubber and soaked for 42 hours to obtain soaked EPDM rubber.

[0051] Preparation of oil-resistant elastomer: In parts by weight, the temperature of the internal mixer is raised to 175°C, and then 6 parts of carbonyl iron, 10 parts of supercritical carbon dioxide and 2 parts of isopropyl are added to 130 parts of soaked EPDM rubber Benzene hydrogen peroxide and 2 parts of dicyclohexyl peroxydicarbonate are mixed and put into the internal mixer. After banburying at a speed of 70r / min for 24 minutes, the left and right cutters are cut 4 times, and the thin triangle bag is beaten 9 ti...

Embodiment 3

[0058] 1. Preliminary preparation:

[0059] Preparation of the mixed organic solvent: in parts by weight, 10 parts of n-butyl mercaptan, 14 parts of fullerenol and 40 parts of deionized water were mixed and stirred evenly to obtain the mixed organic solvent.

[0060] Preparation of soaked EPDM rubber: In parts by weight, 10 parts of acetone and 27 parts of diethylene glycol were mixed, added to EPDM rubber and soaked for 36 hours to obtain soaked EPDM rubber.

[0061] Preparation of oil-resistant elastomer: by weight parts, the internal mixer is heated up to 167 ° C, and then 8 parts of carbonyl iron, 11 parts of supercritical carbon dioxide and 5 parts of initiator are added to 145 parts of soaked EPDM rubber Mix cyclohexanone peroxide and put it into the internal mixer, after internal mixing at a speed of 74r / min for 23 minutes, cut the left and right knives 3 times, make the triangular bag 9 times with thin tongs, and then release the slices. The temperature is 172°C and t...

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Abstract

The invention belongs to the field of flame-retardant cables, and particularly relates to a preparation method for an oil-resistant flame-retardant cable material. The preparation method comprises the following steps: (1) preparation of a flame retardant; (2) preparation of a substrate material, namely, mixing the flame retardant, an oil-resistant elastomer, titanium dioxide, vinyl distearamide, sodium hexametaphosphate, bisphenol A disalicyate, ethylene glycol dimethacrylate, a polyurethane elastomer, 3-chloropropene, an antioxidant and high-density polyethylene, placing the mixture into a torque rheometer, and blending and extruding to obtain the substrate material; (3) radiation cross-linking of the substrate material, namely, placing the substrate material in an electron accelerator irradiation device, and radiating for 15 to 30 seconds with the radiant quantity of 50 to 100 kGy in a nitrogen environment at the temperature of 35 to 40 DEG C and the pressure of 3 to 8 MPa to obtain the cable material. The flame-retardant cable material prepared by the invention has high oil resistance, excellent mechanical properties, a good flame retarding effect, and a wide market popularization value.

Description

【Technical field】 [0001] The invention relates to the field of flame-retardant cable materials, in particular to a preparation method of oil-resistant and flame-retardant cable materials. 【Background technique】 [0002] Wire and cable are important equipment for electric power industry. In the process of industrial, agricultural and commercial development, the transmission of data by cables is inseparable. However, in the process of actual application of cables, due to the influence of external factors and the reasons of the cables themselves, the cables may catch fire. Once the cables happen Fire, it will spread along the cable to the surrounding flammable objects, and once the fire spreads, the fire speed will be very fast. The loss of personnel and equipment may also lead to environmental pollution. Therefore, the flame retardant and fireproof technology of wire and cable has become an important research topic in fire protection technology in recent years. It is a good...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08L23/06C08L23/16C08K13/06C08K9/10C08K3/32C08K3/22C08K3/18C08J3/28C08J3/24H01B3/30
CPCC08J3/246C08J3/28C08J2375/04C08J2423/06C08J2423/16C08L75/04C08L2201/02C08L2203/202C08L2207/062C08L2312/06H01B3/302C08L23/06C08L23/16C08K13/06C08K9/10C08K2003/323C08K2003/2241C08K3/18Y02P20/54
Inventor 蓝豆
Owner 河北百川电线电缆有限公司
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