CN116478484A - Insulating photovoltaic cable material, preparation method thereof and photovoltaic power generation system - Google Patents
Insulating photovoltaic cable material, preparation method thereof and photovoltaic power generation system Download PDFInfo
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- CN116478484A CN116478484A CN202310448682.1A CN202310448682A CN116478484A CN 116478484 A CN116478484 A CN 116478484A CN 202310448682 A CN202310448682 A CN 202310448682A CN 116478484 A CN116478484 A CN 116478484A
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- cable material
- photovoltaic cable
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- polyvinyl chloride
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- 239000000463 material Substances 0.000 title claims abstract description 54
- 238000010248 power generation Methods 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 24
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 23
- 239000003822 epoxy resin Substances 0.000 claims abstract description 20
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 20
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims description 18
- 238000004132 cross linking Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 claims description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 2
- -1 ethylene, propylene, butene Chemical class 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 239000005543 nano-size silicon particle Substances 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229920006026 co-polymeric resin Polymers 0.000 description 6
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 102100024452 DNA-directed RNA polymerase III subunit RPC1 Human genes 0.000 description 1
- 101000689002 Homo sapiens DNA-directed RNA polymerase III subunit RPC1 Proteins 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention provides an insulating photovoltaic cable material, a preparation method thereof and a photovoltaic power generation system. The insulating photovoltaic cable material comprises the following components in parts by weight: 15-55 parts of polyvinyl chloride resin, 19-40 parts of epoxy resin, 25-35 parts of polyolefin resin and 1-10 parts of nano oxide filler. The insulating photovoltaic cable material provided by the invention has higher insulation resistance and good waterproof performance, so that the situation that the water absorption phenomenon occurs in the current cable material with large specific gravity is avoided, and meanwhile, the long-term insulation stability and the flame retardant performance of the photovoltaic cable material are improved.
Description
Technical Field
The invention belongs to the technical field of cable materials, and particularly relates to an insulating photovoltaic cable material, a preparation method thereof and a photovoltaic power generation system.
Background
Along with the development of the power system, the photovoltaic power generation system is also improved. From early photovoltaic modules to photovoltaic inverters to cables, each technical progress has greatly driven the development of the photovoltaic power generation industry. The photovoltaic cable is generally required to have the performances of heat resistance, damp heat resistance, low temperature resistance, chemical corrosion resistance, weather resistance, ozone resistance, wear resistance, direct current voltage resistance, 250 ℃ thermal extension, low smoke zero halogen flame retardance and the like, and the service life reaches 25 years.
Currently, photovoltaic cables existing in the market are mainly divided into two categories: polyvinyl chloride insulation and polyolefin insulation, and crosslinked polyethylene insulation. On the one hand, polyvinyl chloride insulating photovoltaic cables generally take polyvinyl chloride as a main insulating material, and the cables are characterized by good high temperature resistance and corrosion resistance, but also have the problems of low mechanical strength and high price. In addition, as the temperature resistance level of the polyvinyl chloride insulating material is lower, certain potential safety hazards can be generated in the long-term operation process of the cable; on the other hand, polyolefin insulated cables are mainly made of polyolefin, and have the advantages of good ageing resistance, but the polyolefin insulated cables are rarely used in practical application due to high price, and the polyolefin insulated photovoltaic cables are mostly added with aluminum powder or magnesium powder and the like as conductor materials, so that the polyolefin insulated photovoltaic cables have the safety problems of heavy quality, combustibility, explosiveness and the like.
Accordingly, there is a need in the art to develop a lightweight insulated photovoltaic cable material that not only has good long-term insulation stability and flame retardant properties, but also has excellent waterproof properties.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an insulating photovoltaic cable material, a preparation method thereof and a photovoltaic power generation system. The insulating photovoltaic cable material provided by the invention has higher insulation resistance and good waterproof performance, so that the situation that the water absorption phenomenon occurs in the current cable material with large specific gravity is avoided, and meanwhile, the long-term insulation stability and the flame retardant performance of the photovoltaic cable material are improved.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
in a first aspect, the invention provides an insulated photovoltaic cable material, which comprises the following components in parts by weight:
according to the invention, polyvinyl chloride resin, epoxy resin and polyolefin resin with specific contents are added to be mutually matched for use, and are used as matrix resin together, and the polymer matrix of the cable material is formed through irradiation crosslinking, so that the cable has good mechanical properties and weather resistance, and meanwhile, the adaptation temperature range of the cable in the outside is improved. In addition, the invention further prepares the insulating photovoltaic cable material with better flame retardance, higher insulation resistance, excellent tensile strength and elongation at break through the mutual coordination among specific nano oxide fillers and irradiation crosslinking.
In the present invention, the polyvinyl chloride resin is 15 to 55 parts by weight, and for example, 15 parts, 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, and the like can be used.
In the present invention, the weight part of the epoxy resin is 19 to 40 parts, and for example, 19 parts, 25 parts, 30 parts, 35 parts, 40 parts, etc. may be used.
In the present invention, the polyolefin resin is 25 to 35 parts by weight, and for example, 25 parts, 28 parts, 30 parts, 32 parts, 35 parts, and the like can be used.
In the present invention, the weight part of the nano oxide filler is 1 to 10 parts, and for example, 1 part, 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, etc. may be used.
In the invention, compared with the addition of aluminum powder or magnesium powder, the addition of the nano silicon dioxide with the adaptive content is beneficial to improving the flame retardant property and the safety performance of the insulating photovoltaic cable material.
Preferably, the insulating photovoltaic cable material comprises the following components in parts by weight:
preferably, the polyvinyl chloride resin is selected from SG2 type polyvinyl chloride resin and/or SG3 type polyvinyl chloride resin.
Preferably, the epoxy resin comprises bisphenol a type epoxy resin and/or bisphenol F type epoxy resin.
Preferably, the polymerized monomer of the polyolefin resin includes any one or a combination of at least two of ethylene, propylene, butene, hexene or octene.
Preferably, the nano-oxide filler is nano-silica.
Preferably, the tensile strength of the insulating photovoltaic cable material is not lower than 8Mpa, for example, 8Mpa, 10Mpa, 15Mpa, 20Mpa, 30Mpa, etc.; the elongation at break is more than 125%, and may be 150%, 200%, 250%, 300%, 350%, or the like, for example.
In the invention, the insulating photovoltaic cable material provided by the invention has good mechanical strength and toughness, avoids cracking and meets the use requirement.
In a second aspect, the present invention provides a method of preparing an insulated photovoltaic cable material according to the first aspect, the method comprising the steps of:
(1) Mixing polyvinyl chloride resin, epoxy resin, polyolefin resin and nano oxide filler according to the formula amount, and then mixing and extruding to obtain blending particles;
(2) And (3) preparing the blended particles obtained in the step (1) into wires, and then carrying out irradiation crosslinking on the wires to obtain the insulating photovoltaic cable material.
Preferably, the mixing in the step (1) is performed by banburying.
Preferably, the temperature of the kneading in step (1) is 150 to 180℃and may be, for example, 150℃160℃170℃180℃or the like; the time is 0.5-2h, for example, 0.5h, 0.8h, 1h, 1.2h, 1.5h, 2h, etc.
Preferably, the temperature of the extrusion in step (1) is 150-180 ℃, for example, 150 ℃, 160 ℃, 170 ℃, 180 ℃ and the like; the time is 0.5-2h, for example, 0.5h, 0.8h, 1h, 1.2h, 1.5h, 2h, etc.
In the present invention, the irradiation crosslinking in the step (2) is performed by an electron accelerator, and the irradiation crosslinking dose is 5 to 15Mrad, and may be, for example, 5Mrad, 6Mrad, 7Mrad, 8Mrad, 9Mrad, 10Mrad, 11Mrad, 12Mrad, 13Mrad, 14Mrad, 15Mrad, or the like.
In a third aspect, the present invention provides a photovoltaic power generation system comprising an insulated photovoltaic cable material according to the first aspect.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an insulating photovoltaic cable material, which is prepared by adding polyvinyl chloride resin, epoxy resin and polyolefin resin with specific contents to be mutually matched for use, and using the polyvinyl chloride resin, the epoxy resin and the polyolefin resin as matrix resin together, and forming a high polymer matrix of the cable material through irradiation crosslinking, so that the insulating photovoltaic cable material has good mechanical property and weather resistance, and meanwhile, the external adaptation temperature range is improved. In addition, the invention further prepares the insulating photovoltaic cable material with better flame retardance, higher insulation resistance, excellent tensile strength and elongation at break through the mutual coordination among specific nano oxide fillers and irradiation crosslinking.
Detailed Description
The technical scheme of the invention is further described by the following specific embodiments. It will be apparent to those skilled in the art that the examples are merely to aid in understanding the invention and are not to be construed as a specific limitation thereof.
Example 1
The embodiment provides an insulating photovoltaic cable material, which comprises the following components in parts by weight:
wherein, SG3 type polyvinyl chloride resin is purchased from Qilu petrochemical general works company, bisphenol A type epoxy resin is purchased from Jiangsu Sanmu group Co., ltd, ethylene-propylene copolymer resin is purchased from Hubei Chengfeng chemical Co., ltd, and nano silicon dioxide is purchased from Shanghai Alasdine biochemical technology Co., ltd.
The embodiment also provides a preparation method of the insulating photovoltaic cable material, which comprises the following steps:
(1) Mixing SG3 type polyvinyl chloride resin, bisphenol A type epoxy resin, ethylene-propylene copolymer resin and nano silicon dioxide according to the formula amount, then mixing for 30min at 165 ℃, and extruding for 30min at 165 ℃ to obtain blending particles;
(2) And (3) preparing the blended particles obtained in the step (1) into wires, and then carrying out irradiation crosslinking on the wires, wherein the irradiation crosslinking dosage is 10Mrad, so as to obtain the insulating photovoltaic cable material.
Example 2
The embodiment provides an insulating photovoltaic cable material, which comprises the following components in parts by weight:
wherein, SG3 type polyvinyl chloride resin is purchased from Qilu petrochemical general works company, bisphenol A type epoxy resin is purchased from Jiangsu Sanmu group Co., ltd, ethylene-propylene copolymer resin is purchased from Hubei Chengfeng chemical Co., ltd, and nano silicon dioxide is purchased from Shanghai Alasdine biochemical technology Co., ltd.
The embodiment also provides a preparation method of the insulating photovoltaic cable material, which comprises the following steps:
(1) Mixing SG3 type polyvinyl chloride resin, bisphenol A type epoxy resin, ethylene-propylene copolymer resin and nano silicon dioxide according to the formula amount, then mixing for 30min at 165 ℃, and extruding for 30min at 165 ℃ to obtain blending particles;
(2) And (3) preparing the blended particles obtained in the step (1) into wires, and then carrying out irradiation crosslinking on the wires, wherein the irradiation crosslinking dosage is 5Mrad, so as to obtain the insulating photovoltaic cable material.
Example 3
The embodiment provides an insulating photovoltaic cable material, which comprises the following components in parts by weight:
wherein, SG3 type polyvinyl chloride resin is purchased from Qilu petrochemical general works company, bisphenol A type epoxy resin is purchased from Jiangsu Sanmu group Co., ltd, ethylene-propylene copolymer resin is purchased from Hubei Chengfeng chemical Co., ltd, and nano silicon dioxide is purchased from Shanghai Alasdine biochemical technology Co., ltd.
The embodiment also provides a preparation method of the insulating photovoltaic cable material, which comprises the following steps:
(1) Mixing SG3 type polyvinyl chloride resin, bisphenol A type epoxy resin, ethylene-propylene copolymer resin and nano silicon dioxide according to the formula amount, then mixing for 30min at 165 ℃, and extruding for 30min at 165 ℃ to obtain blending particles;
(2) And (3) preparing the blended particles obtained in the step (1) into wires, and then carrying out irradiation crosslinking on the wires, wherein the irradiation crosslinking dose is 15Mrad, so as to obtain the insulating photovoltaic cable material.
Comparative example 1
This comparative example differs from example 1 in that the weight part of nanosilica is 0.5 part, and the other is the same as example 1.
Comparative example 2
This comparative example differs from example 1 in that the weight part of nanosilica is 15 parts, and the other is the same as example 1.
Comparative example 3
This comparative example differs from example 1 in that the nanosilica was replaced with an equal weight fraction of aluminum powder, all other things being equal to example 1.
Test conditions
The insulating photovoltaic cable materials provided in examples 1-3 and comparative examples 1-3 were subjected to performance testing under the following conditions:
(1) Tensile strength: testing according to GB/T2951 standard;
(2) Elongation at break: testing according to GB/T2951 standard;
(3) Insulation resistance at normal temperature: testing according to GB/T12706-2008 standard;
(4) Insulation resistance in high temperature water at 90 ℃): testing was performed according to GB/T12706-2008.
The test results are shown in table 1:
TABLE 1
As can be seen from Table 1, the tensile strength of the cable material provided by the invention is more than or equal to 8Mpa, and the elongation at break is more than or equal to 150%; the insulation resistance at normal temperature is not less than 22000MΩ.km -1 Insulation resistance at 90 ℃ is more than or equal to 10MΩ & km -1 。
According to the invention, polyvinyl chloride resin, epoxy resin and polyolefin resin with specific contents are added to be matched with each other for use, and are used as matrix resin together, and the polymer matrix of the cable material is formed through irradiation crosslinking, so that the cable material has good mechanical properties and weather resistance, and meanwhile, the external adaptive temperature range is improved. In addition, the invention further prepares the insulating photovoltaic cable material with better flame retardance, higher insulation resistance, excellent tensile strength and elongation at break through the mutual coordination among specific nano oxide fillers and irradiation crosslinking.
The applicant states that the process of the invention is illustrated by the above examples, but the invention is not limited to, i.e. does not mean that the invention must be carried out in dependence on the above process steps. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitution of selected raw materials, addition of auxiliary components, selection of specific modes, etc. fall within the scope of the present invention and the scope of disclosure.
Claims (10)
1. The insulating photovoltaic cable material is characterized by comprising the following components in parts by weight:
2. the insulated photovoltaic cable material of claim 1, comprising the following components in parts by weight:
3. the insulated photovoltaic cable material according to claim 1 or 2, characterized in that the polyvinyl chloride resin is selected from SG2 type polyvinyl chloride resin and/or SG3 type polyvinyl chloride resin.
4. An insulated photovoltaic cable material according to any of claims 1-3, characterized in that the epoxy resin comprises bisphenol a type epoxy resin and/or bisphenol F type epoxy resin.
5. The insulated photovoltaic cable material of any of claims 1-4, wherein the polymerized monomer of the polyolefin resin comprises any one or a combination of at least two of ethylene, propylene, butene, hexene, or octene.
6. The insulated photovoltaic cable material of any of claims 1-5, wherein the nano-oxide filler is nano-silica.
7. The insulated photovoltaic cable material of any of claims 1-6, wherein the insulated photovoltaic cable material has a tensile strength of not less than 8Mpa and an elongation at break of greater than 125%.
8. A method of preparing an insulated photovoltaic cable material according to any one of claims 1-7, characterized in that the method comprises the steps of:
(1) Mixing polyvinyl chloride resin, epoxy resin, polyolefin resin and nano oxide filler according to the formula amount, and then mixing and extruding to obtain blending particles;
(2) And (3) preparing the blended particles obtained in the step (1) into wires, and then carrying out irradiation crosslinking on the wires to obtain the insulating photovoltaic cable material.
9. The method of claim 8, wherein the mixing in step (1) is performed by banburying;
preferably, the temperature of the mixing in the step (1) is 150-180 ℃ and the time is 0.5-2h;
preferably, the extrusion temperature in step (1) is 150-180℃and the time is 0.5-2h.
10. A photovoltaic power generation system, characterized in that it comprises an insulated photovoltaic cable material according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310448682.1A CN116478484A (en) | 2023-04-24 | 2023-04-24 | Insulating photovoltaic cable material, preparation method thereof and photovoltaic power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310448682.1A CN116478484A (en) | 2023-04-24 | 2023-04-24 | Insulating photovoltaic cable material, preparation method thereof and photovoltaic power generation system |
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| CN116478484A true CN116478484A (en) | 2023-07-25 |
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| CN202310448682.1A Pending CN116478484A (en) | 2023-04-24 | 2023-04-24 | Insulating photovoltaic cable material, preparation method thereof and photovoltaic power generation system |
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| Country | Link |
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| CN (1) | CN116478484A (en) |
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- 2023-04-24 CN CN202310448682.1A patent/CN116478484A/en active Pending
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