CN105161560A - Solar cell insulating sheet - Google Patents
Solar cell insulating sheet Download PDFInfo
- Publication number
- CN105161560A CN105161560A CN201510654831.5A CN201510654831A CN105161560A CN 105161560 A CN105161560 A CN 105161560A CN 201510654831 A CN201510654831 A CN 201510654831A CN 105161560 A CN105161560 A CN 105161560A
- Authority
- CN
- China
- Prior art keywords
- insulating sheet
- polypropylene
- solar cell
- maleic anhydride
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- -1 polypropylene Polymers 0.000 claims abstract description 42
- 239000004743 Polypropylene Substances 0.000 claims abstract description 39
- 229920001155 polypropylene Polymers 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 claims abstract description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000011256 inorganic filler Substances 0.000 claims description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000806 elastomer Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 7
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 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
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229920006228 ethylene acrylate copolymer Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 2
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 229920006027 ternary co-polymer Polymers 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 abstract description 3
- 239000011737 fluorine Substances 0.000 abstract description 3
- 230000007062 hydrolysis Effects 0.000 abstract description 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 229920000098 polyolefin Polymers 0.000 abstract 3
- 239000003292 glue Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 53
- 239000012760 heat stabilizer Substances 0.000 description 9
- 229920006124 polyolefin elastomer Polymers 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 7
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 229920006380 polyphenylene oxide Polymers 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 238000007719 peel strength test Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229920006245 ethylene-butyl acrylate Polymers 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3468—Batteries, accumulators or fuel cells
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a solar cell insulating sheet. The solar cell insulating sheet comprises an inner layer and outer layers arranged at two sides of the inner layer. Transition layers are arranged between the inner layer and the outer layers. The inner layer is made of polypropylene alloy. The outer layers are made of polyethylene and polyolefin alloy. The transition layers are made of polypropylene and polyolefin alloy. Compared with the prior art, the solar cell insulating sheet has the advantages that: firstly, the inner layer of the insulating sheet is made of polypropylene alloy, so that the hydrolysis resistance and the aging resistance are good; secondly, the outer layers of the insulating sheet are made of polyethylene and polyolefin alloy, so that the bonding performance between the insulating sheet and an EVA packaging glue film is good; thirdly, compared with a solar backboard serving as an insulating sheet, the insulating sheet provided by the invention is better in insulating effect; and fourthly, the expensive fluorine layer is not used, so that the cost is lower.
Description
Technical Field
The invention relates to a solar cell insulating sheet.
Background
The solar cell insulating sheet is designed at a sensitive position in the photovoltaic module to play roles of insulation, physical separation, cell/solder strip positioning and the like. A piece of qualified photovoltaic module is required to have a service life of over 25 years and to be able to withstand various extremely inclement weather. Therefore, the solar cell insulating sheet is required to have excellent weather resistance and reliable electrical insulation, and to have excellent adhesion to the EVA encapsulant film.
Currently, an insulating sheet of a photovoltaic module usually adopts EVA or a solar back sheet. The EVA is used as an insulating sheet, so that the packaging effect is good, but the EVA insulation effect is poor due to the flowing of the EVA in the laminating process of the photovoltaic module. The solar backboard is used as an insulating piece and is expensive, and the T surface (fluorine layer) of the traditional TPE backboard is not well adhered with EVA, so that water vapor erosion, delamination and short circuit can occur in the using process of the module, and the power generation efficiency of the module is reduced or even the module is scrapped.
Disclosure of Invention
The invention aims to provide a solar cell insulating sheet.
The invention is realized by the following technical scheme:
the utility model provides a solar cell insulating piece, includes the inlayer, sets up the skin in the inlayer both sides, is provided with the transition layer between inlayer and the skin, the inlayer is polypropylene and alloy thereof, the outer alloy that is polyethylene and alkene copolymer, the transition layer is the alloy of polypropylene and alkene copolymer.
Further, the polypropylene and the alloy thereof are polypropylene and the alloy thereof with engineering plastics; the engineering plastic is polyamide or polyphenyl ether; the polypropylene is selected from one or more of homo-polypropylene, co-polypropylene, block co-polypropylene and maleic anhydride grafted polypropylene.
Further, the olefin copolymer is one or more of a binary or ternary copolymer of ethylene, acrylic esters and glycidyl methacrylate, an olefin copolymer grafted by maleic anhydride and a POE (polyolefin elastomer).
Further, the maleic anhydride grafted olefin-based copolymer is a combination of one or more of the following: maleic anhydride grafted polyethylene, copolymers of maleic anhydride and ethylene, maleic anhydride grafted ethylene-vinyl acetate copolymers, maleic anhydride grafted ethylene-acrylate copolymers, maleic anhydride grafted polypropylene.
Further, the POE elastomer is a binary or multi-component copolymer of ethylene, propylene, butene, hexene and octene.
Further, ultraviolet absorbers, stabilizers, antioxidants and inorganic fillers are added into the inner layer, the outer layer and the transition layer; the inorganic filler is selected from one of calcium carbonate, titanium dioxide, barium sulfate, mica, talc, kaolin, glass beads and glass fibers.
Further, the thickness of the outer layer is 10-100 microns, the thickness of the inner layer is 10-500 microns, and the thickness of the transition layer is 10-100 microns.
Further, the thickness of the outer layer is 20-50 microns, the thickness of the inner layer is 50-300 microns, and the thickness of the transition layer is 20-50 microns.
The method for manufacturing the solar cell insulating sheet comprises the steps of extruding outer-layer plastic particles, inner-layer plastic particles and transition-layer plastic particles into the same die through an extruder respectively, and forming in one step.
Compared with the prior art, the invention has the beneficial effects that:
1. the inner layer of the insulating sheet is a polypropylene alloy layer, and the insulating sheet has excellent hydrolysis resistance and aging resistance.
2. This patent insulating piece skin is polyethylene class material, and it has outstanding adhesion with EVA encapsulation glued membrane.
3. The insulating sheet is used as an insulating sheet relative to the solar backboard, so that the insulating effect is good; the cost is lower because there is no expensive fluorine layer.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figure 1, the solar cell insulating sheet is of a symmetrical structure and consists of outer layers 1 and 5, an inner layer 3 and two transition layers 2 and 4 connecting the outer layer and the inner layer.
Example 1
The outer layer is made of polyethylene, POE elastomer, stabilizer, antioxidant and inorganic filler, specifically 100 parts of polyethylene, 10 parts of ENGAGE8540, 0.3 part of IrganoxB225 and 3 parts of TiO2Blending and granulating by an extruder. Wherein, ENGAGE8540 is POE elastomer produced by Dow chemical in America, and IrganoxB225 is heat stabilizer produced by BASF corporation.
The inner layer is an alloy of modified polypropylene and engineering plastics, the modified polypropylene is formed by blending and modifying homopolymerized polypropylene (homopolymerized PP) and a heat stabilizer, and specifically 100 parts of homopolymerized PP, 5 parts of maleic anhydride grafted polypropylene, 10 parts of polyamide PA and 0.3 part of IrganoxB225 are blended and granulated by an extruder.
The transition layer is prepared from polypropylene, olefin copolymer, heat stabilizer and inorganic filler, specifically 50 parts of polypropylene and 50 parts of inorganic fillerPTW, 0.3 part of IrganoxB225 and 3 parts of TiO2Blending and granulating by an extruder. Wherein,PTW is manufactured by DuPont chemical group (China) Inc., USA.
And respectively carrying out melt co-extrusion on the outer layer, the inner layer and the transition layer plastic particles through a multi-layer extruder to obtain the solar cell insulating sheet. The thicknesses of the five layers are 25/20/200/20/25 micrometers respectively, so that the total thickness of the prepared solar cell insulating sheet is 290 micrometers. The highest system voltage of the insulating sheet is 1163V, the interlayer peeling strength of the outer layer and the inner layer is 8.8N/cm, and the elongation at break attenuation rate after aging (85 ℃, 85% humidity) for 2000 hours of Damp-Heat is 16%. Wherein the reference standard of the highest system voltage is IEC61730-2:2004, the reference standard of the peel strength test (180 degrees, 0.2m/min peel speed) is ASTM D1876, and the reference standard of Damp Heat aging (85 ℃, 85% humidity, 2000h) of Damp Heat of Damp.
Example 2
The outer layer is made of polyethylene, POE elastomer, stabilizer, antioxidant and inorganic filler, specifically 100 parts of polyethylene, 10 parts of ENGAGE8540, 0.3 part of IrganoxB225 and 3 parts of TiO2Blending and granulating by an extruder. Wherein, ENGAGE8540 is POE elastomer produced by Dow chemical in America, and IrganoxB225 is heat stabilizer produced by BASF corporation.
The inner layer is an alloy of modified polypropylene and engineering plastics, the modified polypropylene is formed by blending and modifying homopolymerized polypropylene (homopolymerized PP) and a heat stabilizer, and specifically 100 parts of homopolymerized PP, 10 parts of polyphenylene oxide PPO and 0.3 part of IrganoxB225 are blended and granulated by an extruder.
The transition layer is made of polypropylene, maleic anhydride grafted polypropylene, a heat stabilizer and an inorganic material, and specifically comprises 50 parts of polypropylene, 50 parts of maleic anhydride grafted polypropylene, 0.3 part of IrganoxB225 and 3 parts of TiO2Blending and granulating by an extruder.
And respectively carrying out melt co-extrusion on the outer layer, the inner layer and the transition layer plastic particles through a multi-layer extruder to obtain the solar cell insulating sheet. The thicknesses of the five layers are 25/20/200/20/25 micrometers respectively, so that the total thickness of the prepared solar cell insulating sheet is 290 micrometers. The highest system voltage of the insulating sheet is 1255V, the interlayer peeling strength of the outer layer and the inner layer is 10.2N/cm, and the elongation at break attenuation rate after aging (85 ℃, 85% humidity) for 2000 hours of Damp-Heat is 19%. Wherein the reference standard of the highest system voltage is IEC61730-2:2004, the reference standard of the peel strength test (180 degrees, 0.2m/min peel speed) is ASTM D1876, and the reference standard of Damp Heat aging (85 ℃, 85% humidity, 2000h) of Damp Heat of Damp.
Example 3
The outer layer is made of polyethylene, POE elastomer, stabilizer and antioxidantAnd inorganic filler, specifically 100 parts of polyethylene, 10 parts of ENGAGE8540, 0.3 part of IrganoxB225 and 3 parts of TiO2Blending and granulating by an extruder. Wherein, ENGAGE8540 is POE elastomer produced by Dow chemical in America, and IrganoxB225 is heat stabilizer produced by BASF corporation.
The inner layer is an alloy of modified polypropylene and engineering plastics, the modified polypropylene is formed by blending and modifying homopolymerized polypropylene (homopolymerized PP) and a heat stabilizer, and specifically 100 parts of homopolymerized PP, 10 parts of polyphenylene oxide PPO and 0.3 part of IrganoxB225 are blended and granulated by an extruder.
The transition layer is prepared from polypropylene, an olefin copolymer grafted by maleic anhydride, a heat stabilizer and an inorganic filler, and specifically comprises 50 parts of polypropylene, 50 parts of Lotader4210, 0.3 part of IrganoxB225 and 3 parts of TiO2 which are blended and granulated by an extruder. Wherein Lotader4210 is a maleic anhydride grafted ethylene-butyl acrylate copolymer produced by arkema, france.
And respectively carrying out melt co-extrusion on the outer layer, the inner layer and the transition layer plastic particles through a multi-layer extruder to obtain the solar cell insulating sheet. The thicknesses of the five layers are 25/20/200/20/25 micrometers respectively, so that the total thickness of the prepared solar cell insulating sheet is 290 micrometers. The highest system voltage of the insulating sheet is 1081V, the interlayer peeling strength of the outer layer and the inner layer is 9.5N/cm, and the elongation at break attenuation rate after aging (85 ℃, 85% humidity) of Damp-Heat2000 hours is 18%. Wherein the reference standard of the highest system voltage is IEC61730-2:2004, the reference standard of the peel strength test (180 degrees, 0.2m/min peel speed) is ASTM D1876, and the reference standard of Damp Heat aging (85 ℃, 85% humidity, 2000h) of Damp Heat of Damp.
Simple variations or modifications made without departing from the core of the invention fall within the scope of protection of the invention.
Claims (9)
1. The utility model provides a solar cell insulating piece which characterized in that, includes the inlayer, sets up the skin in the inlayer both sides, is provided with the transition layer between inlayer and the skin, the inlayer is polypropylene and its alloy, the skin is the alloy of polyethylene and alkene copolymer, the transition layer is the alloy of polypropylene and alkene copolymer.
2. The solar cell insulating sheet according to claim 1, wherein the polypropylene and its alloy are polypropylene and its alloy with engineering plastics; the engineering plastic is polyamide or polyphenyl ether; the polypropylene is selected from one or more of homo-polypropylene, co-polypropylene, block co-polypropylene and maleic anhydride grafted polypropylene.
3. The insulating sheet for solar cell of claim 1, wherein the olefin copolymer is one or more of a binary or ternary copolymer of ethylene, acrylic esters and glycidyl methacrylate, a maleic anhydride grafted olefin copolymer, and a POE elastomer.
4. The solar cell insulating sheet according to claim 3, wherein the maleic anhydride grafted olefin copolymer is one or more of the following in combination: maleic anhydride grafted polyethylene, copolymers of maleic anhydride and ethylene, maleic anhydride grafted ethylene-vinyl acetate copolymers, maleic anhydride grafted ethylene-acrylate copolymers, maleic anhydride grafted polypropylene.
5. The solar cell insulating sheet according to claim 3, wherein the POE elastomer is a binary or multicomponent copolymer of ethylene, propylene, butene, hexene, octene.
6. The solar cell insulating sheet according to any one of claims 1 to 5, wherein the inner layer, the outer layer and the transition layer are added with ultraviolet absorbers, stabilizers, antioxidants and inorganic fillers; the inorganic filler is selected from one of calcium carbonate, titanium dioxide, barium sulfate, mica, talc, kaolin, glass beads and glass fibers.
7. The solar cell insulating sheet according to claim 6, wherein the thickness of the outer layer is 10-100 microns, the thickness of the inner layer is 10-500 microns, and the thickness of the transition layer is 10-100 microns.
8. The solar cell insulating sheet according to claim 7, wherein the thickness of the outer layer is 20-50 microns, the thickness of the inner layer is 50-300 microns, and the thickness of the transition layer is 20-50 microns.
9. The method for manufacturing the solar cell insulating sheet is characterized in that outer layer plastic particles, inner layer plastic particles and transition layer plastic particles are extruded into the same die through an extruder respectively and are formed in one step.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689267.XA CN107658353A (en) | 2015-10-10 | 2015-10-10 | A kind of solar cell insulating trip |
| CN201510654831.5A CN105161560A (en) | 2015-10-10 | 2015-10-10 | Solar cell insulating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654831.5A CN105161560A (en) | 2015-10-10 | 2015-10-10 | Solar cell insulating sheet |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689267.XA Division CN107658353A (en) | 2015-10-10 | 2015-10-10 | A kind of solar cell insulating trip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105161560A true CN105161560A (en) | 2015-12-16 |
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ID=54802373
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510654831.5A Pending CN105161560A (en) | 2015-10-10 | 2015-10-10 | Solar cell insulating sheet |
| CN201710689267.XA Pending CN107658353A (en) | 2015-10-10 | 2015-10-10 | A kind of solar cell insulating trip |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689267.XA Pending CN107658353A (en) | 2015-10-10 | 2015-10-10 | A kind of solar cell insulating trip |
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| Country | Link |
|---|---|
| CN (2) | CN105161560A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784097A (en) * | 2017-02-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of transparent solar components backboard of high water resistant and foreboard |
| CN106784090A (en) * | 2016-12-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of solar cell module isolating bar and preparation method thereof |
| EP3252832A4 (en) * | 2016-04-18 | 2018-08-29 | Cybrid Technologies Inc. | Co-extruded one-time formed backplate having three-layer structure for solar cell module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102738275A (en) * | 2011-04-12 | 2012-10-17 | 苏州尚善新材料科技有限公司 | Solar cell assembly backplane and preparation method thereof |
| CN103144390A (en) * | 2013-03-07 | 2013-06-12 | 云南云天化股份有限公司 | Rear panel for solar battery |
| CN104143578A (en) * | 2014-07-31 | 2014-11-12 | 苏州尚善新材料科技有限公司 | Solar energy backing plate and manufacturing method thereof |
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- 2015-10-10 CN CN201510654831.5A patent/CN105161560A/en active Pending
- 2015-10-10 CN CN201710689267.XA patent/CN107658353A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738275A (en) * | 2011-04-12 | 2012-10-17 | 苏州尚善新材料科技有限公司 | Solar cell assembly backplane and preparation method thereof |
| CN103144390A (en) * | 2013-03-07 | 2013-06-12 | 云南云天化股份有限公司 | Rear panel for solar battery |
| CN104143578A (en) * | 2014-07-31 | 2014-11-12 | 苏州尚善新材料科技有限公司 | Solar energy backing plate and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3252832A4 (en) * | 2016-04-18 | 2018-08-29 | Cybrid Technologies Inc. | Co-extruded one-time formed backplate having three-layer structure for solar cell module |
| CN106784090A (en) * | 2016-12-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of solar cell module isolating bar and preparation method thereof |
| CN106784097A (en) * | 2017-02-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of transparent solar components backboard of high water resistant and foreboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107658353A (en) | 2018-02-02 |
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