CN103346182A - Solar panel back film and manufacturing technology thereof - Google Patents
Solar panel back film and manufacturing technology thereof Download PDFInfo
- Publication number
- CN103346182A CN103346182A CN2013102293021A CN201310229302A CN103346182A CN 103346182 A CN103346182 A CN 103346182A CN 2013102293021 A CN2013102293021 A CN 2013102293021A CN 201310229302 A CN201310229302 A CN 201310229302A CN 103346182 A CN103346182 A CN 103346182A
- Authority
- CN
- China
- Prior art keywords
- pet
- fluoropolymer coating
- matrix
- solvent
- fluorine
- 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.)
- Granted
Links
Classifications
-
- 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
Abstract
A solar panel back film comprises a PET film matrix with the thickness of 100-350 micrometers. Fluorine-containing polymer coatings of 15-30micrometers cover the two faces of the matrix, and the fluorine-containing polymer coatings are formed by mixing raw material components according to a proportion to obtain mixed emulsion and coating the PET film matrix by the mixed emulsion which is swollen under the temperature between 80 DEG C and 200 DEG C, wherein raw materials of the fluorine-containing polymer coatings comprise, by mass, polyester PET powder, fluorine-containing resin, solvent, a cross-linking agent, padding and ethylene glycol. The polyester PET powder is polyester PET powder with grain size smaller than 25 micrometers, wherein the polyester PET powder is formed by smashing precipitate obtained by dissolving in phenol-carbon tetrachloride mixed solvent. The fluorine-containing resin is fluorine-containing macromolecule resin. The solar panel back film is easy to process, tearing resistant and superior in electrical insulation performance and weather fastness.
Description
Technical field
The invention belongs to the encapsulation technology field of semiconductor device, be specifically related to back film of solar cell and production technology thereof.
Background technology
Solar battery back film is the indispensable part of solar cell, is mainly used in the encapsulation of solar cell, is that the protective material at the cell panel back side is used for supporting and the fixed solar battery.Have insulation (anti-electrical breakdown), the influence of ageing-resistant, weather and characteristic such as corrosion-resistant.
At present, solar energy back film is divided into compound and application type, compound backboard film mainly contains TPT, TPE and FPF backboard film, three layers independently film is hot-forming by the bonding of glue with Tedlar/PET/Tedlar for TPT, wherein T represents polyvinyl fluoride PVF (Polyvinylfluoride), thickness is about 37 μ m, this layer is as the main layer of solar cell package material, its effect is weather, uvioresistant, ageing-resistant and not sensitization etc., P represents the PET film, thickness is generally 250 μ m, and main effect is that aqueous vapor intercepts and electric insulation, has dimensionally stable easily processing and tear-resistant advantage; TPE backboard film (Tedlar/PET/EVA) is at the compound Tedlar fluorine film of PET basement membrane one side, the compound EVA glued membrane of another side or polyolefin film, but the ultra-violet resistance of TPE and heatproof oxidation performance are relatively poor, can influence the useful life of photovoltaic module.FPF backboard film is at PET two sides compound FFC fluorine film, has the good electrical performance but combination property is relatively poor.But TPT adopts heat pressing process to cause the bonding strength between thin layer and the layer not enough easily, can not adapt to the requirement of photovoltaic cell component producer.Application type is by suitable technology fluoro-containing coating to be coated on the PET membrane surface, performance and TPT are similar, has greater advantage on the cost, quality problems such as but coating layer adhesive force is low, be prone to husky hole, the wet weak effect of resistance, the class of product is lower, fails to be applied to high-grade crystal silicon solar batteries assembly.
Chinese invention patent CN101290950(was on February 2nd, 2011 in open day) a kind of solar battery back film and production technology thereof be provided, this notacoria comprises the PET film matrix of thickness 100～350 Μ M, described matrix coated on both sides has the fluoropolymer coating of 15～30 Μ M, wherein is coated with the adhesive phase of 0.5～5 Μ M on the one side fluoropolymer coating; The mixed emulsion that described fluoropolymer coating is obtained by sanded by the proportioning mixing by each raw material components directly is coated on the PET film matrix and obtains, the raw material of described fluoropolymer coating comprises the component of following quality proportioning: fluoro-containing coating 30～55%, solvent 20～40%, crosslinking agent and curing agent 2～6%, filler 15～40%.This invention makes the raising of bond strength between notacoria layer and the layer by adhesive phase, ageing-resistant, the weather-resistant property aspect of product improve, the sandwich construction design has improved insulating properties and the anti-water vapour permeability of notacoria, but this invention scheme manufacturing process complexity, need repeatedly to apply, length consuming time, and quality is wayward in the actual production; After fluoropolymer coating was solidified, wherein the content of fluoropolymer accounted for about 80%.
Summary of the invention
For solving the defective that prior art processes complexity, gas permeability and tearing strength can not meet the photovoltaic cell requirement, the solar battery back film that the invention provides a kind of easy processing, tear-resistant, electrical insulation properties and have excellent weather resistance.
At above technical problem, the corresponding technical solution scheme of the present invention is:
A kind of back film of solar cell, the PET film matrix that comprises thickness 100～350 μ m, described matrix coated on both sides has the fluoropolymer coating of 15～30 μ m, the mixed emulsion that described fluoropolymer coating obtains after being mixed by proportioning by each raw material components is coated on the PET film matrix and obtains after 80～200 ℃ of following swellings, the raw material of described fluoropolymer coating comprises the component of following quality proportioning:
Polyester PET powder 6～10%
Fluorine resin 30～55%
Solvent 10～20%
Crosslinking agent 2～6%
Filler 10～30%
Ethylene glycol 5～8%;
Described polyester PET powder is the particle diameter made through pulverizing of the sediment of dissolving gained in phenol-carbon tetrachloride mixed solvent less than 25 microns polyester PET powder;
Described fluorine resin is the fluoro containing polymers resin, described fluoro containing polymers resin is following one or more mixing: polyvinyl fluoride PVF (Polyvinylfluorid), Kynoar PVDF (Polyvinylidene fluoride), polytetrafluoroethylene PTFE (Polytetrafluoroethylene), perfluoroethylene-propylene, fluorubber (PFA), chlorotrifluoroethylene-alkyl vinyl ether co-polymer and other fluorine resins, fluoro containing polymers resin mainly play film forming and cross-linked polymeric in the raw material of fluoropolymer coating;
Described solvent is following one or more mixing: dimethylbenzene, n-butanol, butyl acetate, propylene glycol monomethyl ether, monobutyl ether acetate, methyl pyrrolidone;
Main and the fluoro-containing coating of described crosslinking agent crosslinking agent plays crosslinking curing, and crosslinking agent is following one or more mixing: mylar, many isocyanide esters, amino resins, epoxy resin, Lauxite, gamma-butyrolacton;
Described filler is in order to strengthen the intensity of fluoropolymer coating.Filler of the present invention is following one or more mixing: titanium dioxide, silicon dioxide, ultra-fine barium sulfate, precipitated calcium carbonate;
Further, consider that the client is to the specific requirement of outward appearance and color and luster, the present invention can add various pigment in the raw material of fluoropolymer coating, the raw material of described fluoropolymer coating also comprises pigment, described pigment comprises carbon black, cobalt blue, chrome yellow, titanium dioxide, iron oxide, and the raw material of described fluoropolymer coating is made up of the component of following quality proportioning:
Polyester PET powder 6～10%
Fluorine resin 30～55%
Solvent 10～20%
Crosslinking agent 2～6%
Filler 10～30%
Ethylene glycol 5～8%
Pigment 0.5～2%.
Described solvent is preferably propylene glycol monomethyl ether.
Described fluorine resin is preferably Kynoar and polytetrafluoroethylene, is better than polyvinyl fluoride as the insulation property of body material.
The present invention also provides the production technology of back film of solar cell, it is characterized in that the production technology of described solar battery back film comprises the steps:
(1) the PET film matrix is carried out carry out sanded preliminary treatment (2) mixes each raw material components of described fluoropolymer coating by proportioning after, form good leveling property, fineness less than 25 microns, the mixed emulsion of modest viscosity, directly be coated in through on the pretreated PET film matrix, be heated to 80～200 ℃ of baking swellings, fluoropolymer coating adds pines for flowing to the PET film matrix, obtains the fluoropolymer coating of 15～30 μ m after being heating and curing.
Before the preparation notacoria, want earlier the PET film matrix to be carried out preliminary treatment, preliminary treatment can comprise deoils and destatics processing: at first with surfactant the PET film matrix is carried out surface degreasing and handle, clean up with the activating agent of deionized water with matrix surface then.To destatic processing through the matrix after the oil removal treatment.Destatic the method that can adopt static bruss.Generally speaking, those skilled in the art can select pretreatment mode and step voluntarily according to surface appearance and the actual process needs of matrix, or pre-treatment step is simplified or omitted.
In above-mentioned steps (2), those skilled in the art can select each raw material components and the consumption proportion of fluoropolymer coating according to actual needs, as whether adding pigment and/or auxiliary agent etc.After raw material mixes, need carry out sanded and form good leveling property, fineness is less than 25 microns, the mixed emulsion of modest viscosity can adopt fineness scraper plate instrument to detect fineness and levelability in the sand grinding process, can also adopt means such as viscosity apparatus, ESEM to detect treatment effect.The general control sand milling time is 0.5～1 hour.
The painting method of step (2) preparation fluoropolymer coating has silk screen printing, spraying, roller coating, blade coating, showering etc.
The coating of this fluoropolymer coating can once be finished on the two sides, perhaps finish the one side after apply another side again.After finishing, coating needs be heated to 80～200 ℃ of baking swellings, film-forming.
The PET powder is being heated under 80-200 ℃ in the present patent application fluoropolymer coating, PET powder swelling in alcohols solvents such as ethylene glycol, the PET film matrix is in solvent swelling state equally, graft polymerization reaction takes place in the PET powder and the PET film matrix surface that are in molten state, makes coating and PET film matrix reach very strong interlayer adhesion.Because the PET of solvent swelling state is easy to flow to PET film matrix surface, when the coating film-forming, coating surface forms basic film based on the fluorine material, has stronger interlayer adhesion, thereby makes notacoria have good weatherability at last.The present invention has used swelling grafting principle, the PET powder presents gel because of swelling, play the physical crosslinking effect, and macromolecular chain is by the bulk migration of crawling, the district closely contacts with combination interface, also combines closely with it thereby make active chain end promptly be diffused into the PET film matrix.
Compared to existing technology, the back film of solar cell beneficial effect of the present patent application is:
1. in the present invention, PET matrix film is through after oil removing and destaticing processing, and the fluid that directly will contain compositions such as PET micro particles, fluorine resin, solvent, crosslinking agent, sweller, filler is coated in the matrix film surface through after the swelling.Because the PET of solvent swelling state is easy to flow to PET film matrix surface, at last when the coating film-forming, produce strong combination between the PET micro particles of coating inner surface and the PET matrix, thereby make and reach very strong interlayer adhesion between fluoropolymer coating and the PET film matrix.
2. the fluoropolymer coating emulsion is in flowing to PET film matrix process, and owing to separation, deposition, most crosslinking agents, sweller, filler adheres are in the PET film matrix.Behind the baking-curing, the content of fluoropolymer can reach 95% in the fluoropolymer coated film.And the fluoropolymer coated film of using traditional coating processes to make, the content of fluoropolymer only is 80%.The raising of fluoropolymer content makes notacoria have better ageing-resistant performance, comprises stronger anti-vapor permeation and UV resistant performance.
3. because the present invention adopts the method for direct application, whole film forming to prepare notacoria, apply disposable finishing, so manufacturing process is easy, weak point consuming time, quality is easy to control in process of production.
Embodiment
Embodiment 1
Be that the PET film surface of 150 μ m is handled with surfactant to thickness, use washed with de-ionized water then, to remove the greasy dirt of film surface, the oven dry back is standby.
At phenol-carbon tetrachloride dissolving postprecipitation, sediment is crushed to particle diameter less than 25 microns Powdered PET in pulverizer with PET section.
The present embodiment fluorine resin is polyvinyl fluoride; Solvent is propylene glycol monomethyl ether; Crosslinking agent is gamma-butyrolacton.
Fluorine resin, PET powder, solvent, crosslinking agent, titanium dioxide (TiO2) and ethylene glycol were pressed 49: 10: 10: 6: 20: 5 weight ratio cooperates, in the bead sand mill, evenly mix, sand milling 0.5 hour, form good leveling property, fineness less than 25 microns, the mixed solution of modest viscosity, be heated to 180 degrees centigrade then, adopt method application one deck fluoropolymer coating on the process PET film of adhesive treatment of roller coating.Through 10 minutes baking swelling, the thickness of this film was about 20 μ m under 180 degrees centigrade temperature.
The gross thickness of this notacoria is about 195 μ m.
Adopt surface sweeping Electronic Speculum (SEM) technology that this notacoria surface is detected, the unusual densification in notacoria surface, smooth, the TiO2 filler distribution is even, and particle diameter is about 100-200nm (nanometer).
This product has extraordinary weatherability and electrical insulation properties, can with the extraordinary combination of EVA glue, can be widely used in the encapsulation of various solar cells.
Embodiment 2
The present embodiment fluorine resin is Kynoar.Solvent is propylene glycol monomethyl ether; Crosslinking agent is Lauxite.
Fluorine resin, PET powder, solvent, crosslinking agent, silicon dioxide and ethylene glycol were pressed 50: 8: 10: 6: 18: 8 weight ratio cooperates, in the bead sand mill, evenly mix, sand milling 1 hour, form good leveling property, fineness less than 25 microns, the mixed solution of modest viscosity, be heated to 80 degrees centigrade then, adopt the method for roller coating to go up application one deck PVDF coating at clean PET film (thickness is about 150 μ m).Through 15 minutes baking, form the PVDF film after the solvent evaporates in the PVDF coating under 180 degrees centigrade temperature, the thickness of this film is about 20 μ m.
Embodiment 3
The present embodiment fluorine resin is polytetrafluoroethylene.Solvent is methyl pyrrolidone; Crosslinking agent is many isocyanide esters.
Be that the PET film of 120 μ m carries out the surface and goes Electrostatic Treatment with the method for corona to thickness,
Fluorine resin, PET powder, solvent, crosslinking agent, silicon dioxide and ethylene glycol were by 30: 10: 20: 6: 30: 4 weight ratio cooperates, in the bead sand mill, evenly mix, sand milling 1 hour, form good leveling property, fineness less than 25 microns, the mixed solution of modest viscosity, be heated to 180 degrees centigrade then, adopt the method for roller coating being coated with upward application one deck PTFE coating of the PET film of EVA glue (thickness is about 124 μ m).Through 10 minutes baking, form film after the solvent evaporates in the PTFE coating under 150 degrees centigrade temperature, the thickness of this film is about 20 μ m.
Embodiment 4
The present embodiment fluorine resin is perfluoroethylene-propylene.Solvent is monobutyl ether acetate; Crosslinking agent is amino resins, and pigment is carbon black.
Be that the PET film matrix of 100 μ m carries out the surface and goes Electrostatic Treatment with the method for corona to thickness, the matrix coated on both sides has the fluoropolymer coating of 15 μ m, fluoropolymer coating is that the mixed emulsion that obtains after being mixed by proportioning by each raw material components is applying after 150 ℃ of following swellings on the PET film matrix again, and the raw material of fluoropolymer coating comprises the component of following quality proportioning:
Polyester PET powder, fluorine resin, solvent, crosslinking agent, filler, ethylene glycol, pigment, weight proportion are 10:55:15:15:3:2.
Embodiment 5
The present embodiment fluorine resin be polyvinyl fluoride and fluorubber according to the mixing of 4:1, solvent is butyl acetate; Crosslinking agent is gamma-butyrolacton.
Be that the PET film matrix of 350 μ m carries out the surface and goes Electrostatic Treatment with the method for corona to thickness, the matrix coated on both sides has the fluoropolymer coating of 20 μ m, fluoropolymer coating is that the mixed emulsion that obtains after being mixed by proportioning by each raw material components is applying after 80～200 ℃ of following swellings on the PET film matrix again, and the raw material of fluoropolymer coating comprises the component of following quality proportioning:
Polyester PET powder, fluorine resin, solvent, crosslinking agent, filler, ethylene glycol, weight proportion are 6:40:20:6:23:5.
Experimental example
Above-described embodiment 1-5 is done following test
(1) interlayer adhesion (interlaminar strength) between fluorine rete and the PET film
Detection method: " soft composite plastics material disbonded test method " (GB8808-88)
Test condition: it is width 15.0mm that sample is cut out, and the size of length 200mm is placed more than the 4h in the environment of 23 ℃ of temperature, relative humidity 50%.With composite bed and base material strip off 50mm in advance, by the strip off part obvious damage must not be arranged along the specimen length direction.Sample is carried out the T type with the speed of 300mm/min peel off, measure the average peeling force of composite bed and base material.
(2) the steam barrier property of notacoria
Detection method: " plastic film and sheet material water vapor permeability test method (cup type method) " be test condition (GB/T1037-1988): 38 ± 0.6 ℃ of temperature, under relative humidity 90 ± 2% conditions, the sample both sides keep certain steam pressure reduction, test sees through the steam vapour amount of sample, calculates moisture-vapor transmission.
(3) the UV resistant performance of notacoria
Detection method: " plastics yellow colour index test method " (HG/T3862-2006)
Test condition: under 85 ℃, use UVA340 irradiation 1500 hours, mensuration notacoria De Yellow varying index (Yellowness difference,
△YI).
The notacoria performance comparison:
Comparative Examples is made according to the method for Chinese invention patent CN101290950.
In sum, after those of ordinary skill in the art reads file of the present invention, need not creative mental labour according to technical scheme of the present invention and technical conceive and make other various corresponding conversion scheme, all belong to the scope that the present invention protects.
Claims (5)
1. back film of solar cell, the PET film matrix that comprises thickness 100～350 μ m, described matrix coated on both sides has the fluoropolymer coating of 15～30 μ m, the mixed emulsion that described fluoropolymer coating obtains after being mixed by proportioning by each raw material components is coated on the PET film matrix and obtains after 80～200 ℃ of following swellings, the raw material of described fluoropolymer coating comprises the component of following quality proportioning:
Polyester PET powder 6～10%
Fluorine resin 30～55%
Solvent 10～20%
Crosslinking agent 2～6%
Filler 10～30%
Ethylene glycol 5～8%;
Described polyester PET powder is the particle diameter made through pulverizing of the sediment of dissolving gained in phenol-carbon tetrachloride mixed solvent less than 25 microns polyester PET powder;
Described fluorine resin is the fluoro containing polymers resin, and described fluoro containing polymers resin is following one or more mixing: polyvinyl fluoride, Kynoar, polytetrafluoroethylene, perfluoroethylene-propylene, fluorubber, chlorotrifluoroethylene-alkyl vinyl ether co-polymer;
Described solvent is selected from dimethylbenzene, n-butanol, butyl acetate, propylene glycol monomethyl ether, monobutyl ether acetate or the methyl pyrrolidone one or more mixing;
Described crosslinking agent is one or more the mixing in mylar, many isocyanide esters, amino resins, epoxy resin, Lauxite or the gamma-butyrolacton;
Described filler is one or more the mixing in titanium dioxide, silicon dioxide, ultra-fine barium sulfate or the precipitated calcium carbonate.
2. back film of solar cell as claimed in claim 1, the raw material that it is characterized in that described fluoropolymer coating also comprises pigment, described pigment comprises carbon black, cobalt blue, chrome yellow, titanium dioxide, iron oxide, and the raw material of described fluoropolymer coating is made up of the component of following quality proportioning:
Polyester PET powder 6～10%
Fluorine resin 30～55%
Solvent 10～20%
Crosslinking agent 2～6%
Filler 10～30%
Ethylene glycol 5～8%
Pigment 0.5～2%.
3. back film of solar cell as claimed in claim 1 is characterized in that described solvent is propylene glycol monomethyl ether.
4. back film of solar cell as claimed in claim 1 is characterized in that described fluorine resin is polyvinyl fluoride.
5. the production technology of a back film of solar cell as claimed in claim 1 is characterized in that the production technology of described solar battery back film comprises the steps:
(1) the PET film matrix is carried out preliminary treatment; (2) after being mixed by proportioning, each raw material components of described fluoropolymer coating carries out sanded, form good leveling property, fineness less than 25 microns, the mixed emulsion of modest viscosity, directly be coated in through on the pretreated PET film matrix, be heated to 80～200 ℃ of bakings, fluoropolymer coating adds pines for flowing to the PET film matrix, obtains the fluoropolymer coating of 15～30 μ m after being heating and curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229302.1A CN103346182B (en) | 2013-06-07 | 2013-06-07 | A kind of back film of solar cell and production technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229302.1A CN103346182B (en) | 2013-06-07 | 2013-06-07 | A kind of back film of solar cell and production technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103346182A true CN103346182A (en) | 2013-10-09 |
| CN103346182B CN103346182B (en) | 2016-01-27 |
Family
ID=49280967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310229302.1A Active CN103346182B (en) | 2013-06-07 | 2013-06-07 | A kind of back film of solar cell and production technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103346182B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709953A (en) * | 2013-11-15 | 2014-04-09 | 苏州赛伍应用技术有限公司 | Polymer coating film and solar cell backboard containing polymer coating film |
| CN103921519A (en) * | 2014-03-19 | 2014-07-16 | 浙江歌瑞新材料有限公司 | Solar cell back plate membrane and preparation method thereof |
| CN105097998A (en) * | 2015-09-01 | 2015-11-25 | 北京汉能光伏投资有限公司 | Preparation method and application of front solar cell packaging film |
| CN105778641A (en) * | 2016-02-18 | 2016-07-20 | 广科工业股份有限公司 | Polyvinyl fluoride paint, double-layer coating and forming method thereof |
| WO2017031828A1 (en) * | 2015-08-26 | 2017-03-02 | 欧贝黎新能源科技股份有限公司 | Composite back membrane for solar cell and preparation method therefor |
| CN107819049A (en) * | 2016-09-12 | 2018-03-20 | 珠海兴业节能科技有限公司 | TPF photovoltaic components |
| WO2018076525A1 (en) | 2016-10-31 | 2018-05-03 | 上迈（香港）有限公司 | Laminated structure of photovoltaic assembly, preparation method therefor, and photovoltaic assembly |
| CN108807558A (en) * | 2018-06-13 | 2018-11-13 | 中毅新材料研究院（重庆）有限公司 | A kind of deformable corrosion-resistant photovoltaic module unit of lightweight |
| CN109326666A (en) * | 2017-07-28 | 2019-02-12 | 苏州赛伍应用技术股份有限公司 | Inexpensive weathering type solar cell backboard major insulation functional membrane and backboard and solar cell module containing the major insulation functional membrane |
| CN109550770A (en) * | 2018-11-23 | 2019-04-02 | 浙江晶科能源有限公司 | A kind of method and apparatus for scrapping photovoltaic back harmless treatment |
| CN109776839A (en) * | 2018-12-24 | 2019-05-21 | 常州回天新材料有限公司 | Back film of solar cell and preparation method thereof |
| TWI686300B (en) * | 2018-06-22 | 2020-03-01 | 日商小林股份有限公司 | Release film, method for manufacturing release film, and use of release film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008079394A1 (en) * | 2006-12-21 | 2008-07-03 | E. I. Du Pont De Nemours And Company | Crosslinkable vinyl fluoride copolymers |
| CN101290950A (en) * | 2008-05-23 | 2008-10-22 | 嵊州市新化科技有限公司 | Back film of solar cell and preparing technique thereof |
| CN102746754A (en) * | 2012-05-15 | 2012-10-24 | 乐凯胶片股份有限公司 | Environment-friendly solar cell back film |
-
2013
- 2013-06-07 CN CN201310229302.1A patent/CN103346182B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008079394A1 (en) * | 2006-12-21 | 2008-07-03 | E. I. Du Pont De Nemours And Company | Crosslinkable vinyl fluoride copolymers |
| CN101290950A (en) * | 2008-05-23 | 2008-10-22 | 嵊州市新化科技有限公司 | Back film of solar cell and preparing technique thereof |
| CN102746754A (en) * | 2012-05-15 | 2012-10-24 | 乐凯胶片股份有限公司 | Environment-friendly solar cell back film |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709953A (en) * | 2013-11-15 | 2014-04-09 | 苏州赛伍应用技术有限公司 | Polymer coating film and solar cell backboard containing polymer coating film |
| CN103921519A (en) * | 2014-03-19 | 2014-07-16 | 浙江歌瑞新材料有限公司 | Solar cell back plate membrane and preparation method thereof |
| CN103921519B (en) * | 2014-03-19 | 2015-11-11 | 浙江歌瑞新材料有限公司 | A kind of solar cell backboard film and preparation method thereof |
| WO2017031828A1 (en) * | 2015-08-26 | 2017-03-02 | 欧贝黎新能源科技股份有限公司 | Composite back membrane for solar cell and preparation method therefor |
| CN105097998A (en) * | 2015-09-01 | 2015-11-25 | 北京汉能光伏投资有限公司 | Preparation method and application of front solar cell packaging film |
| CN105778641A (en) * | 2016-02-18 | 2016-07-20 | 广科工业股份有限公司 | Polyvinyl fluoride paint, double-layer coating and forming method thereof |
| CN107819049A (en) * | 2016-09-12 | 2018-03-20 | 珠海兴业节能科技有限公司 | TPF photovoltaic components |
| WO2018076525A1 (en) | 2016-10-31 | 2018-05-03 | 上迈（香港）有限公司 | Laminated structure of photovoltaic assembly, preparation method therefor, and photovoltaic assembly |
| CN109326666A (en) * | 2017-07-28 | 2019-02-12 | 苏州赛伍应用技术股份有限公司 | Inexpensive weathering type solar cell backboard major insulation functional membrane and backboard and solar cell module containing the major insulation functional membrane |
| CN108807558A (en) * | 2018-06-13 | 2018-11-13 | 中毅新材料研究院（重庆）有限公司 | A kind of deformable corrosion-resistant photovoltaic module unit of lightweight |
| TWI686300B (en) * | 2018-06-22 | 2020-03-01 | 日商小林股份有限公司 | Release film, method for manufacturing release film, and use of release film |
| CN109550770A (en) * | 2018-11-23 | 2019-04-02 | 浙江晶科能源有限公司 | A kind of method and apparatus for scrapping photovoltaic back harmless treatment |
| CN109776839A (en) * | 2018-12-24 | 2019-05-21 | 常州回天新材料有限公司 | Back film of solar cell and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103346182B (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103346182B (en) | A kind of back film of solar cell and production technology thereof | |
| CN101290950B (en) | Back film of solar cell and preparing technique thereof | |
| CN101663367B (en) | Fluoropolymer coated film, process for forming the same, and fluoropolymer liquid composition | |
| JP5232654B2 (en) | Fluoropolymer coated films useful for photovoltaic modules | |
| CN102496642B (en) | Back sheet of solar cell and preparation method for back sheet | |
| CN103502001B (en) | Multilayer film and the photovoltaic module comprising this multilayer film | |
| TW201242068A (en) | Resin composition, multi-layered film and photovoltaic module including the same | |
| WO2011007700A1 (en) | Backside protective sheet for solar cells and process for production of same | |
| CN102582175B (en) | Encapsulating material for solar cell module and use thereof | |
| CN103421444A (en) | Inflaming-retarding solar cell backsheet | |
| CN107611199A (en) | A kind of overlay film type solar cell backboard | |
| CN105175768A (en) | Polymer film modified by fluororesin and preparation method thereof | |
| JP5700415B2 (en) | Polyester film for solar cell back surface protection material | |
| CN104505411B (en) | Coated type solar battery backboard | |
| CN103151407B (en) | Solar cell rear panel and preparation method thereof | |
| JP2013075517A (en) | Easy adhesion back protective sheet and solar cell module using the same | |
| CN104465836A (en) | Solar cell insulation back material, solar cell module and production process of solar cell | |
| CN105452401A (en) | Liquid fluoropolymer coating composition, fluoropolymer coated film, and process for forming the same | |
| CN102529259A (en) | High-cohesiveness back film of solar cell and processing technology thereof | |
| CN102575033B (en) | Surface-modified film, process for producing same, and laminated film and process for producing same | |
| CN102582181B (en) | Thin plate for solar cell module | |
| CN107611203A (en) | A kind of high performance solar cells backboard and preparation method and component | |
| JP2014170914A (en) | Polyester film for solar battery backside sealing | |
| CN203192817U (en) | Solar cell backboard | |
| CN204271099U (en) | Solar-electricity pool insulation backing and solar module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |