Irradiation resistant non-halogen low smoke flame-retardant sheathing material applied to nuclear power stations and preparation method

A nuclear power plant cable, low-smoke flame-retardant technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problem of little production of containment cables, and achieve excellent radiation resistance, easy production and preparation, and scientific and reasonable proportioning. Effect

Active Publication Date: 2009-12-09
BAOSHENG SCI & TECH INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of cable materials, many enterprises can only produce wires and cables outside the containment, and rarely produce cables inside the containment, which cannot meet the market demand.

Method used

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  • Irradiation resistant non-halogen low smoke flame-retardant sheathing material applied to nuclear power stations and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Get the following raw material parts by weight:

[0032] Ethylene-vinyl acetate rubber 80

[0033] Maleic anhydride grafted EVA 20

[0034] Magnesium hydroxide flame retardant 150

[0035] Silicone flame retardant 30

[0036] Nano cerium oxide 20

[0037] Quick Extrusion Carbon Black 15

[0038] Zinc stearate 5

[0039] stearic acid 1

[0040] Vinyltris(β-methoxyethoxy)silane 2

[0041] Rhine powder A-16 2

[0042] Rhine Powder A-25 1

[0043] Polyimide Carbonate 3

[0044] 2,2,4-Trimethyl-1,2-dihydroquinoline 1

[0045] Antiaging agent DDA 1

[0046] Di-tert-butylperoxycumene 3

[0047] Triallyl cyanurate 2

[0048] Dioctyl sebacate 10

[0049] First, ethylene-vinyl acetate rubber, maleic anhydride grafted EVA, nano cerium oxide, quick extruded carbon black, zinc stearate, stearic acid, Rhine powder A-16, Rhine powder A-25, polycarbonate two Add imine, 2,2,4-trimethyl-1,2-dihydroquinoline, antioxidant DDA, and triallyl cyanurate into the internal mixer, ...

Embodiment 2

[0051] Get the following raw material parts by weight:

[0052] Ethylene-vinyl acetate rubber 50

[0053] Maleic anhydride grafted EVA 50

[0054] Magnesium hydroxide flame retardant 100

[0055] Silicone flame retardant 80

[0056] Nano cerium oxide 5

[0057] Quick Press Carbon Black 5

[0058] Zinc stearate 10

[0059] stearic acid 1

[0060] Vinyltris(β-methoxyethoxy)silane 1

[0061] Rhine Powder A-16 1

[0062] Rhine Powder A-25 5

[0063] Polyimide Carbonate 1

[0064] 2,2,4-Trimethyl-1,2-dihydroquinoline 5

[0065] Antiaging agent DDA 1

[0066] Di-tert-butylperoxycumene 1

[0067] Triallyl cyanurate 5

[0068] Dioctyl sebacate 5.

[0069] First, ethylene-vinyl acetate rubber, maleic anhydride grafted EVA, nano cerium oxide, quick extruded carbon black, zinc stearate, stearic acid, Rhine powder A-16, Rhine powder A-25, polycarbonate two Add imine, 2,2,4-trimethyl-1,2-dihydroquinoline, antioxidant DDA, and triallyl cyanurate into the internal mixer, mix for...

Embodiment 3

[0071] Get the following raw material parts by weight:

[0072] Ethylene-vinyl acetate rubber 90

[0073] Maleic anhydride grafted EVA 10

[0074] Magnesium hydroxide flame retardant 200

[0075] Silicone flame retardant 10

[0076] Nano cerium oxide 30

[0077] Quick press carbon black 20

[0078] Zinc stearate 1

[0079] Stearic acid 5

[0080] Vinyltris(β-methoxyethoxy)silane 5

[0081] Rhine Powder A-16 5

[0082] Rhine Powder A-25 1

[0083] polyimide carbonate 5

[0084] 2,2,4-Trimethyl-1,2-dihydroquinoline 1

[0085] Antiaging agent DDA 5

[0086] Di-tert-butylperoxycumene 8

[0087] Triallyl cyanurate 1

[0088] Dioctyl sebacate 20.

[0089] The preparation method of the radiation-resistant halogen-free low-smoke flame-retardant sheath material for the above-mentioned nuclear power plant cables is: firstly ethylene-vinyl acetate rubber, maleic anhydride grafted EVA, nano cerium oxide, fast extruded carbon black, stearic acid Zinc, stearic acid, Rhine pow...

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Abstract

The invention discloses an irradiation resistant non-halogen low smoke flame-retardant sheathing material applied to nuclear power stations and a preparation method. The raw materials comprises ethane-vinyl acetate rubber, maleic anhydride stem grafting ethane-vinyl acetate rubber, magnesium hydroxide fire retardant, organic silicon fire retardant, nano cerium oxide, FEF, zinc stearate, stearic acid, vinyl trisilane, Aflux A-16, Aflux A-25, polycarbonate diimine(PCD-50), 2, 2, 4-trimethyl-1, 2-dihydride quinoline, antiager DDA, di-tert-butyl peroxide cumene, triene propylcyanide uric acid ester and decanedioic acid dioctyl, which are heated and mixed to obtain the materials of the invention. The invention features scientific and reasonable formula and proportion, and the process is advanced. The sheathing material features fine irradiation resistance, excellent mechanical properties and long service life, thus being a good irradiation resistant non-halogen low smoke and flame-retardant sheathing material applied to nuclear power stations.

Description

technical field [0001] The invention relates to a cable sheath material, in particular to a cable sheath material for nuclear power plants, and belongs to the technical field of cables. Background technique [0002] Nuclear power is a safe, clean and reliable energy source. As the "vessel" and "nerve" of the nuclear power plant, the cable line system is an important electrical component of the nuclear power plant. It plays a very important role in the normal operation and safe shutdown of the nuclear power plant, and is also a key element of safety. Due to the harsh environmental conditions in the place where it is used, the safety requirements are very high, that is, it is required not only to have the general characteristics of ordinary cables, but also to have low smoke, halogen-free, flame-retardant and other characteristics, and to have specific environmental resistance, such as Radiation resistance, LOCA (Loss of Water Accident) resistance, etc. Due to the limitation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L51/06C08K13/02C08K3/22C08K5/54H01B7/295
Inventor 王巧娥王永房权生梁彤祥庞玉春郭文利
Owner BAOSHENG SCI & TECH INNOVATION
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