CN104761832B - A kind of mesoporous silicon dioxide nano is combined nuclear power cable Insulation Material and preparation method - Google Patents
A kind of mesoporous silicon dioxide nano is combined nuclear power cable Insulation Material and preparation method Download PDFInfo
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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Abstract
Nuclear power cable Insulation Material and preparation method are combined the invention provides a kind of mesoporous silicon dioxide nano.The preparation of the nuclear power cable Insulation Material, is blended using micron and nano flame retardant, the filler of resistance to irradiation, and by micro-nano filler with appropriate mass ratio and suitable technique and EP rubbers composite, its raw material includes following components and content parts by weight：100 parts of EP rubbers；30 40 parts of magnesium hydroxide of micron；8 15 parts of nano-sized magnesium hydroxide；47 parts of boron nitride of micron；12 parts of mesoporous silica nano-particle；58 parts of nm-class boron nitride；12 parts of vinal；213 parts of mercaptobenzimidazoles；0.5 1 parts of high-purity carbon dust；0.5 0.8 parts of paraffin；58 parts of cumyl peroxide；12 parts of magnesia；5 10 parts of coupling agent.The microstructure and compactness of the invention that special interface interphase, i.e. composite are formd based on micro-nano filler is obtained respectively significantly to be improved, and fire-retardant, resistance to irradiation, the nuclear power cable Insulation Material of excellent in mechanical performance is made.
Description
Technical field
The present invention relates to field of cable technology, and in particular to a kind of mesoporous silicon dioxide nano complex nucleus
Electrical cables Insulation Material and preparation method.
Technical background
Nuclear power is as the world today is most safe, most cleaning and the more economical energy have turned into countries in the world and solved energy problem
Important channel.Due to nuclear grade cable lay and use environment condition is special, current every country use fire-retardant electric wire
Cable, and from general flame retardant type nuclear power station cable to the development of halogen-free low-smoke cables of nuclear power, particularly K1 classes cable,
Also to be tested and examined by a series of harsh nuclear environments on the basis of LSOH anti-flaming（High temperature, high pressure, high humidity, γ are penetrated
The various environmental factors such as line irradiation, mechanical stretch）, to ensure the high security and high reliability of nuclear power station.
Currently in order to improving LSOH anti-flaming performance, Chinese patent（Publication number CN1929039A）By adding the rubber of second third
100 parts of glue, 50-90 parts of aluminium hydroxide, 50-90 parts of magnesium hydroxide, 10-20 parts of boron nitride reach
Fire-retardant and resistance to irradiation is required, but its resistance to long term heat ageing, mechanical property are poor.Based on nuclear power technology to cable insulation
Material proposes very high requirement, it is desirable to which this material has the combination properties such as the excellent good, mechanical strength of fire-retardant and radioresistance.
And traditional nuclear power cable Insulation Material is by new challenge, it is impossible to meet this requirement.Therefore high performance nuclear power cable insulation
Research and development focus of the material as new material.
Patent of the present invention is blended using micron and Nano filling, by the fire-retardant and resistance to irradiation filler of micro-nano with appropriate bulk
Product than and suitable technique and EP rubbers composite, form the micro- knot of special interface interphase, i.e. composite
Structure and compactness are obtained respectively significantly to be improved, prepare it is fire-retardant, it is resistance to irradiation, excellent in mechanical performance nuclear power cable it is exhausted
Edge material.
The content of the invention
Nuclear power cable Insulation Material and preparation method are combined it is an object of the invention to provide a kind of mesoporous silicon dioxide nano.
A kind of mesoporous silicon dioxide nano of the present invention is combined nuclear power cable Insulation Material, and its composition is according to the mass fraction：
100 parts of EP rubbers；30-40 parts of magnesium hydroxide of micron；8-15 parts of nano-sized magnesium hydroxide；Micron boron nitride 4-
7 parts；1-2 parts of mesoporous silica nano-particle；5-8 parts of nm-class boron nitride；1-2 parts of vinal；2- sulfydryl benzos
1-3 parts of imidazoles；0.5-1 parts of high-purity carbon dust；0.5-0.8 parts of paraffin；5-8 parts of cumyl peroxide；Magnesia 1-2
Part；5-10 parts of coupling agent.
In the nuclear power cable Insulation Material of the present invention, described EP rubbers is the copolymerization of ethylene propylene diene rubber and acrylate
Thing, or ethylene propylene diene rubber and EPM copolymer.
In the nuclear power cable Insulation Material of the present invention, described micron magnesium hydroxide flame retardant filler average grain diameter is micro- for 4~8
Rice；Described nano-sized magnesium hydroxide fire-retardant filler average grain diameter is 60~85 nanometers.
In the nuclear power cable Insulation Material of the present invention, the resistance to irradiation filler average grain diameter of described micron boron nitride is 8~12 micro-
Rice；The resistance to irradiation filler average grain diameter of described nm-class boron nitride is 45~70 nanometers.
In the nuclear power cable Insulation Material of the present invention, described coupling agent is KH550, KH560, KH570, altax and gathered
One or several kinds of mixtures in ethylene waxes.
The high-purity carbon dust that the embodiment of the present invention is used is：Dongguan pull together production 10000 high-purity carbon dusts.Performance indications
For：
| Fixed carbon： | 99.99% | Specification： | 10000 mesh |
| The trade mark： | 18925457433 | Moisture： | 0.015% |
| Dilation： | 1-2 times | Oversize granularity： | 0.0006% |
| Ash content： | 0.85 | Volatile matter： | 0.01% |
| Screenings granularity： | 0.0005% |
The preparation method of the nuclear power cable Insulation Material of the present invention, its preparation process：First by micron magnesium hydroxide, mesoporous two
Silica nano particle, high-purity carbon dust, nano-sized magnesium hydroxide, micron boron nitride, nm-class boron nitride and coupling agent are put at a high speed
Mixer, mechanical agitation obtains modified filler in 40-50 minutes to well mixed；EP rubbers rubber is plasticated in banbury
6-8 minutes, modified filler, vinal, 2-mercaptobenzimidazole, paraffin, magnesia are added, in 135-140 DEG C of progress
Fully mixing 10-15 minutes, after the machine filtering of filter rubber, adds cumyl peroxide, mixing rolles over page, you can obtain nuclear power cable
Insulation Material.
Embodiment
Embodiment 1
Its raw material is constituted：
100 parts of EP rubbers；30 parts of magnesium hydroxide of micron；8 parts of nano-sized magnesium hydroxide；4 parts of boron nitride of micron；Mesoporous two
1 part of silica nano particle；5 parts of nm-class boron nitride；1 part of vinal；1 part of 2-mercaptobenzimidazole；High-purity carbon dust
0.5 part；0.5 part of paraffin；5 parts of cumyl peroxide；1 part of magnesia；5 parts of coupling agent.
First by micron magnesium hydroxide, mesoporous silica nano-particle, high-purity carbon dust, nano-sized magnesium hydroxide, micron
Boron nitride, nm-class boron nitride and coupling agent are put into high-speed mixer, and mechanical agitation obtains modification and filled out for 40 minutes to well mixed
Material；EP rubbers rubber is plasticated 6 minutes in banbury, modified filler, vinal, 2- sulfydryl benzo miaows is added
Azoles, paraffin, magnesia, fully mixing 10 minutes is carried out at 135 DEG C, after the machine filtering of filter rubber, cumyl peroxide is added, mixes
Refining, rolles over page, you can obtain nuclear power cable Insulation Material.The performance test of its hot-press vulcanization product sees attached list 1.
Embodiment 2
Its raw material is constituted：
100 parts of EP rubbers；40 parts of magnesium hydroxide of micron；15 parts of nano-sized magnesium hydroxide；7 parts of boron nitride of micron；Mesoporous two
2 parts of silica nano particle；8 parts of nm-class boron nitride；2 parts of vinal；3 parts of 2-mercaptobenzimidazole；High-purity carbon dust
1 part；0.8 part of paraffin；8 parts of cumyl peroxide；2 parts of magnesia；10 parts of coupling agent.
First by micron magnesium hydroxide, mesoporous silica nano-particle, high-purity carbon dust, nano-sized magnesium hydroxide, micron
Boron nitride, nm-class boron nitride and coupling agent are put into high-speed mixer, and mechanical agitation obtains modification and filled out for 50 minutes to well mixed
Material；EP rubbers rubber is plasticated 8 minutes in banbury, modified filler, vinal, 2- sulfydryl benzo miaows is added
Azoles, paraffin, magnesia, fully mixing 15 minutes is carried out at 140 DEG C, after the machine filtering of filter rubber, cumyl peroxide is added, mixes
Refining, rolles over page, you can obtain nuclear power cable Insulation Material.The performance test of its hot-press vulcanization product sees attached list 1.
Embodiment 3
Its raw material is constituted：
100 parts of EP rubbers；35 parts of magnesium hydroxide of micron；10 parts of nano-sized magnesium hydroxide；5 parts of boron nitride of micron；Mesoporous two
1.4 parts of silica nano particle；6 parts of nm-class boron nitride；1.5 parts of vinal；1.8 parts of 2-mercaptobenzimidazole；It is high-purity
Spend 0.7 part of carbon dust；0.6 part of paraffin；6 parts of cumyl peroxide；1.2 parts of magnesia；7 parts of coupling agent.
First by micron magnesium hydroxide, mesoporous silica nano-particle, high-purity carbon dust, nano-sized magnesium hydroxide, micron
Boron nitride, nm-class boron nitride and coupling agent are put into high-speed mixer, and mechanical agitation obtains modification and filled out for 42 minutes to well mixed
Material；EP rubbers rubber is plasticated 7 minutes in banbury, modified filler, vinal, 2- sulfydryl benzo miaows is added
Azoles, paraffin, magnesia, fully mixing 12 minutes is carried out at 138 DEG C, after the machine filtering of filter rubber, cumyl peroxide is added, mixes
Refining, rolles over page, you can obtain nuclear power cable Insulation Material.The performance test of its hot-press vulcanization product sees attached list 1.
Embodiment 4
Its raw material is constituted：
100 parts of EP rubbers；38 parts of magnesium hydroxide of micron；12 parts of nano-sized magnesium hydroxide；6 parts of boron nitride of micron；Mesoporous two
1.8 parts of silica nano particle；7.5 parts of nm-class boron nitride；1.8 parts of vinal；2.5 parts of 2-mercaptobenzimidazole；It is high
0.8 part of purity carbon dust；0.7 part of paraffin；7 parts of cumyl peroxide；1.5 parts of magnesia；8 parts of coupling agent.
First by micron magnesium hydroxide, mesoporous silica nano-particle, high-purity carbon dust, nano-sized magnesium hydroxide, micron
Boron nitride, nm-class boron nitride and coupling agent are put into high-speed mixer, and mechanical agitation obtains modification and filled out for 50 minutes to well mixed
Material；EP rubbers rubber is plasticated 7 minutes in banbury, modified filler, vinal, 2- sulfydryl benzo miaows is added
Azoles, paraffin, magnesia, fully mixing 12 minutes is carried out at 140 DEG C, after the machine filtering of filter rubber, cumyl peroxide is added, mixes
Refining, rolles over page, you can obtain nuclear power cable Insulation Material.The performance test of its hot-press vulcanization product sees attached list 1.
Table 1：The performance test of hot-press vulcanization product
From table 1（The performance test of hot-press vulcanization product）Middle to find, this material has excellent tensile strength and anti-
Break-draw；And fire-retardant and radioresistance is good, high mechanical strength；Resistance to oxidation, it is anti-aging；Excellent combination property.
Although the embodiment to the present invention gives detailed description and illustrated above, it should be noted that
We can carry out various equivalent changes and modification according to the conception of the present invention to above-mentioned embodiment, and the function produced by it is made
, all should be within protection scope of the present invention during with the spirit still covered without departing from specification.
Claims (1)
1. a kind of mesoporous silicon dioxide nano is combined nuclear power cable Insulation Material, it is characterised in that its composition is as mass fraction：
100 parts of EP rubbers；30-40 parts of magnesium hydroxide of micron；8-15 parts of nano-sized magnesium hydroxide；4-7 parts of boron nitride of micron；It is mesoporous
1-2 parts of nano SiO 2 particle；5-8 parts of nm-class boron nitride；1-2 parts of vinal；1-3 parts of 2-mercaptobenzimidazole；
0.5-1 parts of high-purity carbon dust；0.5-0.8 parts of paraffin；5-8 parts of cumyl peroxide；1-2 parts of magnesia；5-10 parts of coupling agent；
Described EP rubbers is the blend of ethylene propylene diene rubber and acrylate, or ethylene propylene diene rubber and the rubber of binary second third
The blend of glue；
Described micron magnesium hydroxide flame retardant filler average grain diameter is 4~8 microns；Described nano-sized magnesium hydroxide fire-retardant filler is put down
Equal particle diameter is 60~85 nanometers；
The resistance to irradiation filler average grain diameter of described micron boron nitride is 8~12 microns；The described nm-class boron nitride filler of resistance to irradiation
Average grain diameter is 45~70 nanometers；
Described coupling agent is one or several kinds of mixtures in KH550, KH560, KH570, altax and Tissuemat E；
Its preparation process：First by micron magnesium hydroxide, mesoporous silica nano-particle, high-purity carbon dust, nanometer hydroxide
Magnesium, micron boron nitride, nm-class boron nitride and coupling agent are put into high-speed mixer, and mechanical agitation is obtained for 40-50 minutes to well mixed
To modified filler；EP rubbers is plasticated 6-8 minutes in banbury, modified filler, vinal, 2- sulfydryl benzene is added
And imidazoles, paraffin, magnesia, fully mixing 10-15 minutes is carried out at 135-140 DEG C, after the machine filtering of filter rubber, peroxidating two is added
Isopropylbenzene, mixing rolles over page, you can obtain nuclear power cable Insulation Material.
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| CN107043487B (en) * | 2016-02-05 | 2021-10-26 | 清华大学 | Polymer/nano mesoporous composite material with capacity of inhibiting growth of electric tree |
| CN106221093A (en) * | 2016-08-22 | 2016-12-14 | 桂林福冈新材料有限公司 | A kind of fluorescent rubber |
| CN110041607B (en) * | 2019-04-30 | 2021-08-17 | 合肥工业大学 | Metal hydroxide-boron nitride hybrid filler/rubber-blended nuclear power cable insulating material and preparation method thereof |
| CN113652077B (en) * | 2021-06-30 | 2023-05-23 | 浙江元通线缆制造有限公司 | Irradiation crosslinking rubber-based flame-retardant cable and preparation method thereof |
| CN116285771B (en) * | 2022-12-22 | 2024-07-02 | 隆基绿能科技股份有限公司 | Heat conduction filler and preparation method thereof, pouring sealant and preparation method thereof, junction box and photovoltaic module |
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|---|---|---|---|---|
| CN1929039A (en) * | 2006-09-11 | 2007-03-14 | 江苏上上电缆集团有限公司 | Cable insulating material for power station |
| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
| CN103059404A (en) * | 2013-01-25 | 2013-04-24 | 杭州双马高分子材料科技有限公司 | Radiation cross-linking low-smoke halogen-free flame-retardant polyolefin insulating material and preparation method thereof |
| CN103409094A (en) * | 2013-07-23 | 2013-11-27 | 合肥工业大学 | Composite glue made from micro-, nano-filler and epoxy resin, and preparation method and applications thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929039A (en) * | 2006-09-11 | 2007-03-14 | 江苏上上电缆集团有限公司 | Cable insulating material for power station |
| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
| CN103059404A (en) * | 2013-01-25 | 2013-04-24 | 杭州双马高分子材料科技有限公司 | Radiation cross-linking low-smoke halogen-free flame-retardant polyolefin insulating material and preparation method thereof |
| CN103409094A (en) * | 2013-07-23 | 2013-11-27 | 合肥工业大学 | Composite glue made from micro-, nano-filler and epoxy resin, and preparation method and applications thereof |
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Denomination of invention: A mesoporous silica nanocomposite insulation material for nuclear power cables and its preparation method Effective date of registration: 20230911 Granted publication date: 20171013 Pledgee: Gaogou Branch of Anhui Wuwei Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI HUANENG CABLE GROUP Co.,Ltd. Registration number: Y2023980055998 |