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Halogen-free low-smoke flame retardant double-layer insulating outer layer material for area-1 cable of AP1000 nuclear power station and preparation method thereof

A low-smoke, flame-retardant, double-layer insulation technology, applied to rubber insulators, organic insulators, etc., can solve the problem of rare production of containment cables and achieve improved hot water resistance and water vapor resistance, good mechanical properties, good The effect of flame retardancy

Active Publication Date: 2013-09-04
BAOSHENG SCI & TECH INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the backwardness of cable materials, Chinese enterprises can only produce cables for external use in the containment, and rarely produce cables in the containment, which cannot meet market demand

Method used

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  • Halogen-free low-smoke flame retardant double-layer insulating outer layer material for area-1 cable of AP1000 nuclear power station and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The third-generation AP1000 nuclear power plant zone 1 cable uses a halogen-free low-smoke flame-retardant double-layer insulation outer layer material, and its raw materials include: a matrix composed of EPDM rubber, binary ethylene propylene rubber, and ethylene vinyl acetate copolymer rubber. A halogen-free flame retardant and smoke suppression system consisting of magnesium hydroxide with a particle size of 0.6 μm, aluminum hydroxide with a particle size of 0.9 μm, zinc borate pentahydrate, ammonium polyphosphate coated with microcapsules, and siloxane. Anti-radiation system composed of nano-cerium oxide and lead monoxide, vulcanization system composed of 98% bis-tert-butylperoxycumene, N,N`-m-phenylene bismaleimide, composed of 2-mercapto The protection system composed of benzimidazole zinc salt, p-, p-dicumyl diphenylamine and nano-scale zinc oxide, the coupling agent composed of vinyl tris (β-methoxyethoxy) silane, composed of Lubricating and softening system com...

Embodiment 2

[0080] The third-generation AP1000 nuclear power plant zone 1 cable uses a halogen-free low-smoke flame-retardant double-layer insulation outer layer material, including the following components and parts by weight:

[0081] EPDM rubber 25 parts

[0082] 37.5 parts of binary ethylene propylene rubber

[0083] Ethylene vinyl acetate copolymer rubber 37.5 parts

[0084] 40 parts of magnesium hydroxide with a particle size of 0.6 μm

[0085] 120 parts of 0.9 μm aluminum hydroxide

[0086] Zinc borate pentahydrate 10 parts

[0087] Microcapsules coated ammonium polyphosphate 10 parts

[0088] 5 parts of cerium dioxide

[0089] 20 parts of nano-sized zinc oxide

[0090] Di-tert-butyl peroxycumene 98% 3 parts

[0091] 1 part of N,N`-m-phenylene bismaleimide

[0092] 1.5 parts of 2-mercaptobenzimidazole zinc salt

[0093] Right, right'-dicumyl diphenylamine 2 parts

[0094] Microcrystalline paraffin 2 parts

[0095] 0.5 parts of stearic acid

[0096] Vinyl tris(β-methoxye...

Embodiment 3

[0105] The third-generation AP1000 nuclear power plant zone 1 cable uses a halogen-free low-smoke flame-retardant double-layer insulation outer layer material, including the following components and parts by weight:

[0106] EPDM rubber 20 parts

[0107] 50 parts of binary ethylene propylene rubber

[0108] Ethylene vinyl acetate copolymer rubber 30 parts

[0109] 70 parts of magnesium hydroxide with a particle size of 0.6 μm

[0110] 80 parts of aluminum hydroxide with a particle size of 0.9 μm

[0111] Zinc borate pentahydrate 10 parts

[0112] Microcapsules coated ammonium polyphosphate 20 parts

[0113] 5 parts of cerium dioxide

[0114] 20 parts of nano-sized zinc oxide

[0115] Di-tert-butyl peroxycumene 98% 3 parts

[0116] 1 part of N,N`-m-phenylene bismaleimide

[0117] 1 part of 2-mercaptobenzimidazole zinc salt

[0118] Right, p-'-dicumyl diphenylamine 2.5 parts

[0119] Microcrystalline paraffin 2 parts

[0120] 0.3 parts of stearic acid

[0121] Vinyl ...

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Abstract

The invention discloses a halogen-free low-smoke flame retardant double-layer insulating outer layer material for an area-1 cable of an AP1000 nuclear power station and a preparation method thereof, belonging to the technical field of cables. The material comprises a base body consisting of ethylene propylene diene monomer, ethylene propylene monomer and ethylene vinyl acetate copolymer rubber, a halogen-free flame retardant smoke suppression system consisting of magnesium hydroxide, aluminum hydroxide, zinc borate pentahydrate, microcapsule-coated ammonium polyphosphate and siloxane, an anti-radiation system consisting of nano cerium dioxide and lead monoxide, a vulcanization system consisting of 98% bis(tert-butylperoxyisopropyl)benzene and N,N'-m-phenylene dimaleimide, a protection system consisting of 2-mercapto benzimidazole zinc salt, para, para'-diisopropylphenyl diphenylamine and nano zinc oxide, a coupling agent composed of vinyltri(beta-methoxyethyoxy)silane, and a lubricating and softening system consisting of stearic acid and microcrystalline wax. The material disclosed by the invention has the advantages of good radiation resistance, excellent mechanical properties and good electrical insulation properties; and the service life of the material reaches 60 years.

Description

technical field [0001] The invention relates to a cable insulating material and a preparation method thereof, in particular to a halogen-free low-smoke flame-retardant double-layer insulating outer layer material and a preparation method thereof for cables in zone 1 of the third-generation AP1000 nuclear power plant, and belongs to the field of cable technology. Background technique [0002] Nuclear power is a safe, clean and reliable energy source. AP1000 nuclear power technology, China's third-generation nuclear power independent technology, China's introduction, digestion, absorption, re-innovation and independent innovation, the first in the world to master the five core key technologies of the third-generation nuclear power AP1000, AP1000 nuclear power technology is currently the only one that has passed the United States The third-generation nuclear power technology finally approved by the Nuclear Regulatory Commission is the safest and most advanced commercial nuclear...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L23/08C08K13/06C08K3/22C08K3/38C08K3/32C08K5/18C08K5/5425H01B3/28
Inventor 甘胤嗣房权生李杰邹红飞郝建薇胡源黄崇祺
Owner BAOSHENG SCI & TECH INNOVATION
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