CN108986964B - A kind of ultrahigh flame-retardant weatherability cable - Google Patents

A kind of ultrahigh flame-retardant weatherability cable Download PDF

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Publication number
CN108986964B
CN108986964B CN201810814490.7A CN201810814490A CN108986964B CN 108986964 B CN108986964 B CN 108986964B CN 201810814490 A CN201810814490 A CN 201810814490A CN 108986964 B CN108986964 B CN 108986964B
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Prior art keywords
layer
flame
retardant
compound
cable
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Expired - Fee Related
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CN201810814490.7A
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Chinese (zh)
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CN108986964A (en
Inventor
李承坤
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Boao Zongheng Network Technology Co ltd
Guangzhou Kaichuang Tianhong Electric Co ltd
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Guangzhou Kaichuang Tianhong Electric Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/53Phosphorus bound to oxygen bound to oxygen and to carbon only
    • C08K5/5313Phosphinic compounds, e.g. R2=P(:O)OR'
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/5399Phosphorus bound to nitrogen
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2813Protection against damage caused by electrical, chemical or water tree deterioration
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The present invention relates to a kind of ultrahigh flame-retardant weatherability cables, include cable core, insulating layer, flame-retardant layer and protective layer, and the thickness ratio between the cable core, insulating layer, flame-retardant layer and protective layer is 1-2:1.5-2.5:1.8-3:1.9-2.Ultrahigh flame-retardant weatherability cable in the present invention passes through with unique structure, every layer of structure has unique effect, and there is preferable collaboration and compatible role between every layer of structure, it is successfully realized effective combination of function and effectively improving for bulk properties, to make the cable that there is unique ultrahigh flame-retardant weatherability, especially suitable in photovoltaic industry.

Description

A kind of ultrahigh flame-retardant weatherability cable
Technical field
The present invention relates to a kind of ultrahigh flame-retardant weatherability cables, belong to field of cable technology.
Background technique
In recent years, due to global warming, the deterioration of the ecological environment, short conventional energy resource the problems such as, develops renewable energy Source obtains the attention and support of national governments.Under the promotion of technological progress and the incentive policy driving of national governments, solar energy Photovoltaic power generation industry and market are rapidly developed.From starting in 2007, the photovoltaic in China is applied from lower level Keep within continuous 4 years 100% or more annual growth.By year ends 2010, China's solar energy power generating installed capacity has reached To 893MW, the world the 7th is occupied.The year two thousand twenty is expected, the solar energy power generating installation total capacity in China will be more than 30000MW.
Although solar power generation have unrivaled superiority, sun intensity by various factors (season, weather, Place etc.) influence and constant cannot be maintained, i.e. solar energy is a kind of radiation energy, have timeliness, it is necessary in time by solar energy The energy for being converted into other forms could be stored and be utilized, and becoming as the cable of transfer element can not in photovoltaic generating system Or scarce component.With the development of photovoltaic power generation industry, the dosage of photovoltaic generating system cable is also being increased, into steady The fixed market growth stage.But solar power generation working environment is severe, common lv power cable in use cannot Meet the requirement of the harsh environments such as high temperature, ultraviolet radiation and the rain erosion of photovoltaic power generation.Moreover, in cable installation process In, the effect for the power such as cable is bent and stretched accelerates the aging of conventional power cable, and shorten cable uses the longevity Life, increases maintenance cost, affects the service life of whole system.
Therefore, have become a kind of trend using high fire-retardance weatherability cable in photovoltaic generating system.
Although of the invention have been proposed a kind of high fire-retardance weatherability cable in preceding application CN106876018A, packet Containing cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5), the cable core (1), insulating layer (3), flame-retardant layer (4) Thickness ratio between protective layer (5) is 1-2:1.5-2.5:1.8-3:1.9-2.But the flame retardant effect of above-mentioned cable still has into one Walk the potentiality promoted.The present invention, by many experiments, further increases the fire-retardant effect of cable on the basis of CN106876018A Fruit makes the flame retardant effect of cable reach the state of ultrahigh flame-retardant.
Summary of the invention
Still there is the technical issues of potentiality further promoted to solve the flame retardant effect of cable in the prior art, the present invention Propose following technical solution:
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are 1-2:1.5-2.5:1.8-3:1.9-2;
Wherein, flame-retardant layer (4) is made of following component: base-material: 100 mass parts;Fireproof agent: 8~35 mass parts;Stablize Agent: 2~8 mass parts;Crosslinking sensitizer: 1~10 mass parts.
Preferably, the fireproof agent includes compound (A) and compound (B), compound (A) and compound in fireproof agent (B) mass ratio is 1:2;
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Preferably, the surface of cable core (1) coats one semiconductor layer (2), and semiconductor layer is metal oxide layer, specifically It is Ga-Zn-O layers or Ga-In-Zn-O layers.
Preferably, insulating layer (3) is the polyolefin plastics of 200 DEG C of cross-linking radiations.
Preferably, protective layer (5) includes anti-erosion layer (6), ozone-resistant layer (7) and carbon material layer (8).
Preferably, anti-erosion layer (6) is made of nano aluminium oxide and nanometer silicon carbide, wherein nano aluminium oxide and nanometer The mass ratio of silica is 10:1.
Preferably, ozone-resistant layer (7) is ten difluoro esters of methacrylic acid/butylbenzene that surface sprays vinylated silica Rubber composite material.
Preferably, carbon material layer (8) be carbon nanotube, carbon fiber, graphene and carbon black mixture, wherein the carbon Mass ratio between nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Technical solution of the present invention has as follows by beneficial effect:
1, CN 106876018A compared with the prior art, the present invention on the basis of fireproof agent only contains compound (A) into One step introduces compound (B), and has found compound in fireproof agent (A) and compound (B) by many experiments while depositing It can act synergistically.Under dosage unanimous circumstances, when the mass ratio of compound (A) and compound (B) is 1:2, electricity Cable flame retardant effect achieved is best, is much better than the case where fireproof agent under same dosage only contains compound (A).Above-mentioned fireproof agent So that the present invention has ultrahigh flame-retardant weatherability, flame retardant effect is much better than in the prior art other for improvement on composition and dosage Cable.
2, using Ga-Zn-O oxide or Ga-In-Zn-O oxide as semiconductor layer, Ga-Zn-O oxide or Ga- In-Zn-O oxide can form one of internal shield, which well contacts with conductor equipotential and with insulating layer, keep away Exempt from that shelf depreciation occurs between conductor and insulating layer 3.Through detecting, using Ga-Zn-O oxide or Ga-In-Zn-O oxide The shield effectiveness of cable as semiconductor layer is much better than the produced shield effectiveness of other semiconductors in the prior art.
3, the protective layer 5 in the present invention has unique structure, that is, includes anti-erosion layer, ozone-resistant layer, carbon material layer.It adopts Use nano aluminium oxide and nanometer silicon carbide that can effectively improve the acid-fast alkali-proof aggressivity of cable as anti-erosion layer.It is sprayed using surface Ten difluoro esters of methacrylic acid/styrene-butadiene rubber composite material of vinylated silica is applied as ozone-resistant layer, can effectively be mentioned The ozone resistants of high cable, and ozone resistants is also exactly cable property essential to many applicable cases, especially photovoltaic electric Cable.Cable can be effectively prevented as carbon material layer using the composition of carbon nanotube, carbon fiber, graphene and carbon black to run In damage of the induced electromotive force to cable, and then extend the service life of cable, especially after introducing graphene, the carbon material The beneficial effect that layer rises is much higher than the cable only with graphite as coating.
4, the ultrahigh flame-retardant weatherability cable in the present invention is by the way that with unique structure, every layer of structure has unique work With, and there is preferable collaboration and compatible role between every layer of structure, it is successfully realized effective combination and the bulk properties of function Effectively improve, thus make the cable have unique high-weatherability, especially suitable in photovoltaic industry.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: 1 cable core, 2, semiconductor layer, 3 insulating layers, 4 flame-retardant layers, 5 protective layers, 6 anti-erosion layers, 7 ozone-resistant layers, 8 Carbon material layer.
Specific embodiment
Embodiment 1
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are 1:1.5:1.8:1.9;Wherein, flame-retardant layer (4) is made of following component: base-material: 100 mass parts;Fireproof agent: 8~35 mass parts; Stabilizer: 2~8 mass parts;Crosslinking sensitizer: 1~10 mass parts.
Fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent 1:2;
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Wherein, the surface of cable core (1) coats one semiconductor layer (2), and semiconductor layer is metal oxide layer, specially Ga-Zn-O layers, insulating layer (3) be 200 DEG C of cross-linking radiations polyolefin plastics, protective layer (5) include anti-erosion layer (6), resist it is smelly Oxygen layer (7) and carbon material layer (8), anti-erosion layer (6) are made of nano aluminium oxide and nanometer silicon carbide, wherein nano aluminium oxide Mass ratio with nano silicon oxide is 10:1, and ozone-resistant layer (7) is the metering system that surface sprays vinylated silica Sour ten difluoro esters/styrene-butadiene rubber composite material, carbon material layer (8) are the mixing of carbon nanotube, carbon fiber, graphene and carbon black Object, wherein the mass ratio between the carbon nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Embodiment 2
A kind of ultrahigh flame-retardant weatherability cable, the ultrahigh flame-retardant weatherability cable include cable core (1), insulating layer (3), resistance Combustion layer (4) and protective layer (5), the thickness ratio between the cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) are 2:2.5:3:2;Flame-retardant layer (4) is made of following component: base-material: 100 mass parts;Fireproof agent: 8~35 mass parts;Stabilizer: 2 ~8 mass parts;Crosslinking sensitizer: 1~10 mass parts.
Fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent 1:2;
Wherein, the structural formula of compound (A) is as follows:
Wherein, the structural formula of compound (B) is as follows:
Wherein, the surface of cable core (1) coats one semiconductor layer (2), and semiconductor layer is metal oxide layer, specially Ga-In-Zn-O layers, insulating layer (3) is the polyolefin plastics of 200 DEG C of cross-linking radiations, and protective layer (5) includes anti-erosion layer (6), resists Ozone layer (7) and carbon material layer (8), anti-erosion layer (6) are made of nano aluminium oxide and nanometer silicon carbide, wherein nano oxidized The mass ratio of aluminium and nano silicon oxide is 10:1, and ozone-resistant layer (7) is the methyl-prop that surface sprays vinylated silica Ten difluoro esters of olefin(e) acid/styrene-butadiene rubber composite material, carbon material layer (8) are the mixing of carbon nanotube, carbon fiber, graphene and carbon black Object, wherein the mass ratio between the carbon nanotube, carbon fiber, graphene and carbon black is 1:2-5:2-3:4-5.
Comparative example 1~3
Comparative example 1~3 only changes the composition of fireproof agent in cable, and other structures parameter is same as Example 1.
Following table describes the composition of fireproof agent in embodiment 1-2 and comparative example 1-3.
Table 1
Number The composition of fireproof agent
Embodiment 1 Compound (A): compound (B)=1:2 (mass ratio)
Embodiment 2 Compound (A): compound (B)=1:2 (mass ratio)
Comparative example 1 Only contain compound (A)
Comparative example 2 Compound (A): compound (B)=1:1 (mass ratio)
Comparative example 3 Compound (A): compound (B)=2:1 (mass ratio)
In order to verify the flame retardant effect of embodiment 1-2 and comparative example 1-3, by the sample of embodiment 1-2 and comparative example 1-3 into Row flame retardant effect, flame retardant effect (oxygen index (OI)) are detected according to GB/T8924.Oxygen index (OI) is lower in testing result, represents fire-retardant Ineffective, oxygen index (OI) is higher, and it is preferable to represent flame retardant effect.Concrete outcome is as follows:
Table 2
Number Flame retardant effect (oxygen index (OI))
Embodiment 1 66%
Embodiment 2 69%
Comparative example 1 50%
Comparative example 2 57%
Comparative example 3 54%
Existing mean level 30~40%
The above results show that compared with the prior art the present invention is on the basis of fireproof agent only contains compound (A) into one Step introduces compound (B), and passes through many experiments, it was found that compound (A) and compound (B) exist simultaneously in fireproof agent It can act synergistically.Under dosage unanimous circumstances, when the mass ratio of compound (A) and compound (B) is 1:2, cable Flame retardant effect achieved is best, is much better than the case where fireproof agent under same dosage only contains compound (A).Above-mentioned fireproof agent group At, so that the present invention has ultrahigh flame-retardant weatherability, flame retardant effect is much better than other electricity in the prior art with the improvement in dosage Cable.

Claims (7)

1. a kind of ultrahigh flame-retardant weatherability cable, it is characterised in that: comprising cable core (1), insulating layer (3), flame-retardant layer (4) and protect Sheath (5), wherein the thickness ratio between cable core (1), insulating layer (3), flame-retardant layer (4) and protective layer (5) is 1-2:1.5- 2.5:1.8-3:1.9-2;
The flame-retardant layer (4) is made of following component: base-material: 100 mass parts;Fireproof agent: 8~35 mass parts;Stabilizer: 2~8 Mass parts;Crosslinking sensitizer: 1~10 mass parts;
The fireproof agent includes compound (A) and compound (B), and the mass ratio of compound (A) and compound (B) is in fireproof agent 1:2;
The structural formula of compound (A) is as follows:
(A);
The structural formula of compound (B) is as follows:
(B).
2. ultrahigh flame-retardant weatherability cable according to claim 1, it is characterised in that: wrap on the surface of the cable core (1) Cover one semiconductor layer (2), the semiconductor layer be metal oxide layer, specially Ga-Zn-O layers or Ga-In-Zn-O layers.
3. ultrahigh flame-retardant weatherability cable according to claim 1, it is characterised in that: the insulating layer (3) is 200 DEG C The polyolefin plastics of cross-linking radiation.
4. ultrahigh flame-retardant weatherability cable according to claim 1, it is characterised in that: the protective layer (5) includes anti-invades Lose layer (6), ozone-resistant layer (7) and carbon material layer (8).
5. ultrahigh flame-retardant weatherability cable according to claim 4, it is characterised in that: the anti-erosion layer (6) is by nanometer Aluminium oxide and nanometer silicon carbide composition, wherein the mass ratio of nano aluminium oxide and nano silicon oxide is 10:1.
6. ultrahigh flame-retardant weatherability cable according to claim 4, it is characterised in that: the ozone-resistant layer (7) is surface Spray ten difluoro esters of methacrylic acid/styrene-butadiene rubber composite material of vinylated silica.
7. ultrahigh flame-retardant weatherability cable according to claim 4, it is characterised in that: the carbon material layer (8) is received for carbon Mitron, carbon fiber, graphene and carbon black mixture, wherein between the carbon nanotube, carbon fiber, graphene and carbon black Mass ratio is 1:2-5:2-3:4-5.
CN201810814490.7A 2018-07-23 2018-07-23 A kind of ultrahigh flame-retardant weatherability cable Expired - Fee Related CN108986964B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557085B1 (en) * 2011-08-08 2014-10-22 EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt Novel phosphonamidates - synthesis and flame retardant applications
JP6513571B2 (en) * 2013-10-31 2019-05-15 大八化学工業株式会社 Flame retardant and flame retardant polyurethane resin composition
JP6621168B2 (en) * 2014-11-20 2019-12-18 日立金属株式会社 Power transmission cable using non-halogen flame retardant resin composition
CN106876018B (en) * 2017-03-09 2018-04-27 浙江海岩电子电缆有限公司 A kind of high fire-retardance weatherability cable

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