CN103102596A - Cable sheath insulating material for nuclear power station and preparation method of cable sheath insulating material - Google Patents

Cable sheath insulating material for nuclear power station and preparation method of cable sheath insulating material Download PDF

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Publication number
CN103102596A
CN103102596A CN2012104558893A CN201210455889A CN103102596A CN 103102596 A CN103102596 A CN 103102596A CN 2012104558893 A CN2012104558893 A CN 2012104558893A CN 201210455889 A CN201210455889 A CN 201210455889A CN 103102596 A CN103102596 A CN 103102596A
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insulating material
nuclear power
cable sheath
power station
cable
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CN2012104558893A
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CN103102596B (en
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姜睿
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Bengbu Shangwei Intellectual Property Operations Co ltd
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Anhui Jinqiao Cable Co Ltd
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Abstract

The invention discloses a cable sheath insulating material for a nuclear power station and a preparation method of the cable sheath insulating material. The cable sheath insulating material comprises the following raw materials in parts by weight: 95-105 of ethylene propylene diene monomer X4010, 15-20 of chlorinated polyethylene, 15-25 of semi-reinforcing carbon black N774, 2-3 of magnesium oxide, 0.2-0.4 of ultraviolet absorbent UV-9, 30-35 of mica powder, 1-2 of antiager DM, 1-2 of 2-thiol group benzimidazole, 0.8-1 of white oil, 5-8 of chlorinated paraffin, 1-2 of accelerant DM, 0.8-1 of accelerant TMTD (Tetramethylthiuram disulfide), 15-25 of kaolin, 1-3 of adipic acid propylene glycol polyester, 2-4 of hydrated zinc borate, 4-6 of glass powder, 0.8-1 of zinc oxide, 2-3 of modified bentonite, 5-6 of antimony trioxide and 4-6 of ethylene thiourea. The cable sheath insulating material produced by the invention has excellent overall performances such as irradiation resistance, flame retardancy, heat-aging resistance, good electrical performance, halogen-free low smoke and low toxicity, and is environment-friendly and pollution-free; and the product has stable performances and service life of above 60 years and can be widely used as the insulating material of a nuclear power station cable.

Description

A kind of cable for nuclear power station jacket insulation material and preparation method thereof
Technical field
The present invention relates generally to a kind of rubber sleeve material and preparation method thereof, relates in particular to a kind of cable for nuclear power station jacket insulation material and preparation method thereof.
Background technology
The nuclear island of nuclear power station cable requires cable insulation material must have excellent heat aging property, radiation hardness aging resistance, flame retardant properties, wet-hot aging performance etc.Under nuclear environment, the cable of normal operation need stand γ, Beta-ray irradiation, and possesses the requirement of the normal operation of maintenance cable under accident conditions.Due to the general polymerization thing produce ionization under effect of irradiation or excite wait react after, following chemical reaction further occurs: the DeR of the crosslinking reaction that is caused by irradiation between macromole, irradiation initiation, oxidizing reaction, generation gaseous product, other is as isomerization etc., the degree that these reactions occur under different speed of reaction is different, final result is that the molecular weight of polymer materials is more and more little, even loses the character of polymkeric substance.Insulating material commonly used is cross-linked polyolefin and ethylene-propylene rubber(EPR) material at present, by our improvement, heat aging performance, gamma ray resistant ability, anti-ozone, weather and the electrical property of the ethylene-propylene rubber(EPR) of CALCIUM ACRYLATE modification is improved greatly.
Summary of the invention
The object of the invention is exactly in order to make up the defective of prior art, a kind of cable for nuclear power station jacket insulation material to be provided.
The present invention is achieved by the following technical solutions:
A kind of cable for nuclear power station jacket insulation material is characterized in that:
terpolymer EP rubber X4010 95-105, chlorinatedpolyethylene 15-20, semi-reinforcing hydrocarbon black N774 15-25, magnesium oxide 2-3, UV light absorber UV-9 0.2-0.4, mica powder 30-35, antioxidant MB 1-2, 2-thiol group benzimidazolyl 1-2, white oil 0.8-1, clorafin 5-8, altax 1-2, Vulcanization accelerator TMTD 0.8-1, kaolin 15-25, hexanodioic acid propanediol polyester 1-3, hydration zinc borate 2-4, glass powder 4-6, zinc oxide 0.8-1, modified alta-mud 2-3, antimonous oxide 5-6, ethylene thiourea 4-6,
Described method for preparing modified bentonite is: wilkinite is used 10-15% salt acid soak 3-4 hour, deionized water wash, then soaked 3-4 hour with the 10-12% sodium hydroxide solution, more extremely neutral with deionized water wash, oven dry; Wilkinite after oven dry is put into water, tributyl citrate, the 3-5% aluminum oxide of TM monex TM, 2-3% that adds again dibutyl maleate, the 1-2% of wilkinite weight 2-3%, high speed 1200-1500 rev/min of stirring, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified alta-mud.
A kind of cable for nuclear power station jacket insulation material preparation method comprises the following steps:
(1) the terpolymer EP rubber X4010 of above-mentioned weight part, chlorinatedpolyethylene, Platinic chloride, antioxidant MB, 2-thiol group benzimidazolyl, white oil, clorafin, altax, Vulcanization accelerator TMTD are mixed adding Banbury mixer, is under 85-90 ℃ mixing 2-3 minute in temperature;
(3) adding semi-reinforcing hydrocarbon black N774, mica powder, kaolin, hexanodioic acid propanediol polyester, hydration zinc borate, glass powder, the modified alta-mud of above-mentioned weight part, is under 85-90 ℃ in temperature again, mixing 4-6 minute;
(4) adding antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, is under 55-60 ℃ mixing 2-3 minute in temperature again, and discharging is cooling namely gets described cable for nuclear power station jacket insulation material.
Advantage of the present invention is:
The cable for nuclear power station jacket insulation material that the present invention produces has the over-all propertieies such as excellent anti-irradiation, fire-retardant, heat-resistant aging, good electric property, halide-free smokeless low toxicity, environment friendly and pollution-free, product performance are stable, and the life-span reached more than 60 years, can be widely used as the insulating material of cables of nuclear power.
Embodiment
Embodiment 1
A kind of cable for nuclear power station jacket insulation material, it is comprised of the following weight parts raw material:
Terpolymer EP rubber X4010105, chlorinatedpolyethylene 12, semi-reinforcing hydrocarbon black N774 15-25, zinc oxide 3, Platinic chloride 2, mica powder 35, antioxidant MB 2,2-thiol group benzimidazolyl 2, white oil 0.8-1, clorafin 8, altax 2, Vulcanization accelerator TMTD 1, kaolin 25, hexanodioic acid propanediol polyester 3, hydration zinc borate 4, glass powder 4-6, zinc oxide 0.8, modified alta-mud 3, antimonous oxide 6, ethylene thiourea 6;
Described method for preparing modified bentonite is: wilkinite is with 15% salt acid soak 4 hours, deionized water wash, then soaked 4 hours with 12% sodium hydroxide solution, then with deionized water wash to neutral, oven dry; Wilkinite after oven dry is put into water, add again the dibutyl maleate of wilkinite weight 3%, 2% TM monex TM, 3% tributyl citrate, 5% aluminum oxide, 1500 rev/mins of stirrings at a high speed, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified alta-mud.
The preparation method of the CABLE MATERIALS that a kind of used for wind power generation is low temperature resistant comprises the following steps:
(1) the terpolymer EP rubber X4010 of above-mentioned weight part, chlorinatedpolyethylene, Platinic chloride, antioxidant MB, 2-thiol group benzimidazolyl, white oil, clorafin, altax, Vulcanization accelerator TMTD are mixed adding Banbury mixer, is under 90 ℃ mixing 3 minutes in temperature;
(3) adding semi-reinforcing hydrocarbon black N774, mica powder, kaolin, hexanodioic acid propanediol polyester, hydration zinc borate, glass powder, the modified alta-mud of above-mentioned weight part, is under 90 ℃ in temperature again, mixing 6 minutes;
(4) adding antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, is under 60 ℃ mixing 3 minutes in temperature again, and discharging is cooling namely gets described cable for nuclear power station jacket insulation material.
Technical indicator:
Tensile strength MPa 12.6
Elongation at break % 420
20 ℃ of insulation resistance constants: minimum M Ω km 4900
150 ℃/30 days thermal ageing back draft change rate of strength % 13
Elongation at break velocity of variation %-13
Oxygen index % 32
Elongation at break % 90 after gamma-rays (200Mrad/70 ℃) irradiation
High temperature resistant damp and hot electric property: hydrothermal aging insulation velocity of variation (110 ℃, 30d) %-30
The minimum M Ω of insulation resistance constant under 156 ℃ km 65.

Claims (2)

1. cable for nuclear power station jacket insulation material is characterized in that it is comprised of the raw material of following weight parts:
terpolymer EP rubber X4010 95-105, chlorinatedpolyethylene 15-20, semi-reinforcing hydrocarbon black N774 15-25, magnesium oxide 2-3, UV light absorber UV-9 0.2-0.4, mica powder 30-35, antioxidant MB 1-2, 2-thiol group benzimidazolyl 1-2, white oil 0.8-1, clorafin 5-8, altax 1-2, Vulcanization accelerator TMTD 0.8-1, kaolin 15-25, hexanodioic acid propanediol polyester 1-3, hydration zinc borate 2-4, glass powder 4-6, zinc oxide 0.8-1, modified alta-mud 2-3, antimonous oxide 5-6, ethylene thiourea 4-6,
Described method for preparing modified bentonite is: wilkinite is used 10-15% salt acid soak 3-4 hour, deionized water wash, then soaked 3-4 hour with the 10-12% sodium hydroxide solution, more extremely neutral with deionized water wash, oven dry; Wilkinite after oven dry is put into water, tributyl citrate, the 3-5% aluminum oxide of TM monex TM, 2-3% that adds again dibutyl maleate, the 1-2% of wilkinite weight 2-3%, high speed 1200-1500 rev/min of stirring, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified alta-mud.
2. cable for nuclear power station jacket insulation material preparation method as claimed in claim 1 is characterized in that comprising the following steps:
(1) the terpolymer EP rubber X4010 of above-mentioned weight part, chlorinatedpolyethylene, Platinic chloride, antioxidant MB, 2-thiol group benzimidazolyl, white oil, clorafin, altax, Vulcanization accelerator TMTD are mixed adding Banbury mixer, is under 85-90 ℃ mixing 2-3 minute in temperature;
(2) adding semi-reinforcing hydrocarbon black N774, mica powder, kaolin, hexanodioic acid propanediol polyester, hydration zinc borate, glass powder, the modified alta-mud of above-mentioned weight part, is under 85-90 ℃ in temperature again, mixing 4-6 minute;
(3) adding antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, is under 55-60 ℃ mixing 2-3 minute in temperature again, and discharging is cooling namely gets described cable for nuclear power station jacket insulation material.
CN201210455889.3A 2012-11-14 2012-11-14 A kind of cable for nuclear power station jacket insulation material and preparation method thereof Expired - Fee Related CN103102596B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265762A (en) * 2013-05-23 2013-08-28 宝胜科技创新股份有限公司 Low-smoke, halogen-free and flame-retardant double insulated inner layer material for cable in first area of AP1000 nuclear power station and preparation method thereof
CN105111595A (en) * 2015-08-26 2015-12-02 安徽电缆股份有限公司 Halogen-free low-smoke flame-retardant EPDM (ethylene-propylene-diene monomer) material for nuclear power station cables and preparation method thereof
CN105185439A (en) * 2015-07-15 2015-12-23 繁昌县菲德通讯材料设计有限公司 High-toughness, shock-absorption, wear-resistant and flame-retardant cable
CN105374439A (en) * 2015-11-24 2016-03-02 安徽南洋新材料科技股份有限公司 High-toughness abrasion-resistant damping cable used for ships
CN105778196A (en) * 2016-04-26 2016-07-20 国网山东省电力公司莒南县供电公司 Tool kit for power engineering
CN106117826A (en) * 2016-07-26 2016-11-16 江苏亨通电力电缆有限公司 The super soft fireproof cable of pre-branch and manufacturing process thereof
CN106188888A (en) * 2016-07-26 2016-12-07 江苏亨通电力电缆有限公司 Low-smoke and flame retardant type ethylene propylene diene rubber insulant
CN106188889A (en) * 2016-07-26 2016-12-07 江苏亨通电力电缆有限公司 Fire-type modified EPT rubber cable material and preparation technology thereof
CN106432920A (en) * 2016-07-26 2017-02-22 江苏亨通电力电缆有限公司 Anticorrosion pre-branched fire-resistant cable
CN107189245A (en) * 2017-05-31 2017-09-22 晋源电气集团股份有限公司 A kind of hot and humid environment power cable
CN108299751A (en) * 2018-01-22 2018-07-20 储微微 A kind of nuclear power station private cable sheath insulation material and its preparation process
CN112341718A (en) * 2020-10-30 2021-02-09 安徽中联汽车零部件有限公司 Preparation method of automobile dust cover with good resilience

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102516675A (en) * 2011-11-21 2012-06-27 安徽蓝德集团股份有限公司 Mining cable rubber sheath glue
CN102617942A (en) * 2012-03-30 2012-08-01 无锡市远登电缆有限公司 Ethylene-propylene-diene monomer rubber used for manufacturing wind energy cable and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102516675A (en) * 2011-11-21 2012-06-27 安徽蓝德集团股份有限公司 Mining cable rubber sheath glue
CN102617942A (en) * 2012-03-30 2012-08-01 无锡市远登电缆有限公司 Ethylene-propylene-diene monomer rubber used for manufacturing wind energy cable and preparation method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265762A (en) * 2013-05-23 2013-08-28 宝胜科技创新股份有限公司 Low-smoke, halogen-free and flame-retardant double insulated inner layer material for cable in first area of AP1000 nuclear power station and preparation method thereof
CN105185439A (en) * 2015-07-15 2015-12-23 繁昌县菲德通讯材料设计有限公司 High-toughness, shock-absorption, wear-resistant and flame-retardant cable
CN105111595A (en) * 2015-08-26 2015-12-02 安徽电缆股份有限公司 Halogen-free low-smoke flame-retardant EPDM (ethylene-propylene-diene monomer) material for nuclear power station cables and preparation method thereof
CN105374439B (en) * 2015-11-24 2017-09-15 安徽南洋新材料科技股份有限公司 A kind of ship high-toughness wear-resistant damping cable
CN105374439A (en) * 2015-11-24 2016-03-02 安徽南洋新材料科技股份有限公司 High-toughness abrasion-resistant damping cable used for ships
CN105778196A (en) * 2016-04-26 2016-07-20 国网山东省电力公司莒南县供电公司 Tool kit for power engineering
CN106117826A (en) * 2016-07-26 2016-11-16 江苏亨通电力电缆有限公司 The super soft fireproof cable of pre-branch and manufacturing process thereof
CN106188888A (en) * 2016-07-26 2016-12-07 江苏亨通电力电缆有限公司 Low-smoke and flame retardant type ethylene propylene diene rubber insulant
CN106188889A (en) * 2016-07-26 2016-12-07 江苏亨通电力电缆有限公司 Fire-type modified EPT rubber cable material and preparation technology thereof
CN106432920A (en) * 2016-07-26 2017-02-22 江苏亨通电力电缆有限公司 Anticorrosion pre-branched fire-resistant cable
CN107189245A (en) * 2017-05-31 2017-09-22 晋源电气集团股份有限公司 A kind of hot and humid environment power cable
CN108299751A (en) * 2018-01-22 2018-07-20 储微微 A kind of nuclear power station private cable sheath insulation material and its preparation process
CN112341718A (en) * 2020-10-30 2021-02-09 安徽中联汽车零部件有限公司 Preparation method of automobile dust cover with good resilience

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