CN109449230A - A kind of repair membrane and preparation method thereof for photovoltaic back - Google Patents
A kind of repair membrane and preparation method thereof for photovoltaic back Download PDFInfo
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- CN109449230A CN109449230A CN201811005204.9A CN201811005204A CN109449230A CN 109449230 A CN109449230 A CN 109449230A CN 201811005204 A CN201811005204 A CN 201811005204A CN 109449230 A CN109449230 A CN 109449230A
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- 230000008439 repair process Effects 0.000 title claims abstract description 52
- 239000012528 membrane Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 136
- 239000012790 adhesive layer Substances 0.000 claims abstract description 44
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 40
- 239000007800 oxidant agent Substances 0.000 claims abstract description 37
- 230000001590 oxidative effect Effects 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims description 115
- 239000011248 coating agent Substances 0.000 claims description 104
- 239000000463 material Substances 0.000 claims description 98
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 238000003851 corona treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920002050 silicone resin Polymers 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 65
- 230000000694 effects Effects 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000012939 laminating adhesive Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 241000531891 Alburnus alburnus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- H01L31/049—Protective back sheets
-
- 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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The repair membrane and preparation method thereof that the invention discloses a kind of for photovoltaic back, the repair membrane includes photovoltaic back layer, function gluing oxidant layer and release layer, the photovoltaic back layer is FPF backboard, the function gluing oxidant layer is set to the upper surface of photovoltaic back layer, and the release layer is set on gluing oxidant layer；Preparation method includes the following steps: step 1, the production of photovoltaic back layer；Step 2, function adhesive layer is set；Step 3, release layer is covered.Structure of the present invention for the repair membrane of photovoltaic back is simple; with good external environment resistance; extend photovoltaic back service life; photovoltaic back, the site operation that large area damage or aging can be repaired are convenient and environmentally friendly without waste generation; and production cost is low; preparation method is simple, large-scale production easy to accomplish.
Description
Technical field
The present invention relates to photovoltaic back technical fields, specially a kind of for the repair membrane of photovoltaic back and its preparation side
Method.
Background technique
Due to fossil energy gradually reduce and its use process in various pollution problems, each state all reinforce to too
The development and utilization of the clean energy resourcies such as positive energy.Solar energy equipment is the most commonly used is solar cell module at present, it be by glass, EVA,
Silicon wafer, backboard composition, i.e., form, dorsulum is located at photovoltaic electric according to the construction packages of glass-EVA- cell piece-EVA- backboard
The outermost layer of pond component is the important component of photovoltaic cell, plays packaging protection and support to the cell piece in component
Effect, so that it is guaranteed that the service life of photovoltaic cell.The service life of solar cell module is 25 years, and solar-electricity
The working environment very severe of pond component, some are mounted on bleak and desolate Desert of Gobi, and day and night temperature is big, flying sands and howling wind；Some group
Often there are the bad weathers such as thunderstorm, hail in the place of part work；Some components are mounted on plateau, and amount of ultraviolet irradiation is very big.
Therefore, the protection of component is just particularly important, the supplementary material for not requiring nothing more than component there will be at least 25 years use years
Limit, as back-protective material, photovoltaic cell backplane will more have excellent anti-aging, uvioresistant, waterproof, height resistant to high temperatures
The performances such as wet, fire-proof insulation.Backboard will appear xanthochromia, pin hole, powder to component after a period of use in such rugged environment
Change, it is crack the season crackings phenomenon such as split, crack, while photovoltaic back in transport in installation process, members backboard also can
It is scratched by breakage, these are scratched or the backboard of season cracking will lead to EVA accelerated ageing or disengaging, then can corrosion cell portion
Point, and then will lead to the short-circuit failure of component, safety requirement when assembly operating is not achieved.Photovoltaic back industry is driven to advance
Internal motivation be mainly performance and cost, in the case where photovoltaic back product profit rate continues to decline, rationally effective control
Be made this be also competition among enterprises emphasis consider a direction, due to photovoltaic back in all encapsulating materials of photovoltaic back cost
Specific gravity is maximum, also becomes a part important in component cost, and more attention of the country to environmental protection.
To the processing method of damaged backboard, there are mainly two types of at present: one is use the dedicated repair sheets band of backboard to repair
Mend, such method compare suitable for because transport and installation process in caused by small area destroy scratch backboard repairing, not
Suitable for gradually aging and transport and being installed because of use environment and xanthochromia, pin hole, dusting, the cracking etc. of the generation of time reason
The repairing of backboard large area breakage caused by journey；Another method is directly to carry out whole replacements to damaged backboard, such
Method needs to carry out component and tears frame open, pull down old backboard, more renew backboard, lamination, component installation when replacing, be easy to cause secondary
Bad, replacement process is complicated and can only carry out the replacement of a small amount of component, if because caused by senile cause backboard breakage need it is big
Then cost is high when batch replacement, and old component recycling is difficult, will also result in very big pollution to environment.
Therefore, develop a kind of backboard repairing film can it is low in cost, site operation is convenient, environmental protection is without waste, guarantee group
At least 25 years service lives of part are of far-reaching significance.
Summary of the invention
In view of the above technical defects, the repair membrane and preparation method thereof that the present invention provides a kind of for photovoltaic back, is repaired
Laminating adhesive structure is simple, and cost of manufacture is cheap, and site operation is convenient.
The present invention can be achieved through the following technical solutions:
A kind of repair membrane for photovoltaic back, including photovoltaic back layer, function gluing oxidant layer and separated type material layer, the photovoltaic
Backsheet layer is FPF backboard, and the function gluing oxidant layer is set to the upper surface of photovoltaic back layer, and the separated type material layer is set to gluing
On oxidant layer.The present invention selects FPF backboard to be effective against external environment erosion and bearing function gluing as photovoltaic back layer
Oxidant layer, the moisture-vapor transmission of FPF backboard used are≤2.0g/ (㎡ d), percent thermal shrinkage (150 DEG C × 30min) MD/TD≤
1.5%, PCT test (121 DEG C, 100%RH, 2 atmospheric pressure) without layering, blistering, fracture phenomena, and it is good to guarantee that FPF backboard has
High humidity waterproof, resistant to high temperatures, weather resistant performance, can effectively extend the service life of solar battery after reparation.Function
Gluing oxidant layer is used to photovoltaic back layer being pasted and fixed on damaged photovoltaic back, be arranged in function gluing oxidant layer from
The profile bed of material is mainly used for the defencive function adhesive layer before repair membrane use of the present invention, avoids the adhesive property of function adhesive layer
It reduces.
Further, the FPF backboard is using white PET base material or opaque PET base material as base material, the substrate
Material upper and lower surface is coated with FEVE fluororine-carbon coating.Select white or opaque PET base material that can effectively block photovoltaic back and repair
Multiple place does not influence the overall appearance of solar battery after repairing, and base material upper and lower surface is coated with FEVE fluororine-carbon coating, by
It is big in the bond energy of the fluorine carbon key of fluorocarbon resin and molecules align is close, can effective protection weak chemical bond and its inner layer material not by
The destruction of ultraviolet light.Therefore the FEVE fluororine-carbon coating has the weatherability of superelevation, ultra-violet radiation resisting, high chemical stability, height
Mechanical strength and toughness, antistick characteristic and stain resistance are strong, the special performances such as heat-resist (260 DEG C of maximum operation (service) temperature), just by
In these excellent performances, photovoltaic back repair membrane is made to repair the same of damaged backboard when FEVE fluororine-carbon coating is as weathering layer
When can be used as new backboard and use, to guarantee photovoltaic back in outdoor service life up to 25 years as long as.
Further, the base material is with a thickness of 25~300 μm, the FEVE fluororine-carbon coating of the base material lower surface
With a thickness of 15~25 μm, the FEVE fluororine-carbon coating of the base material upper surface is with a thickness of 6~15 μm.Base material thickness is less than
25 μm then excessively thin to cause its anti-pressure ability poor, and thickness is greater than 300 μm of overall appearances for influencing photovoltaic back after repairing, and whole soft
Property is poor, low with the compactness of photovoltaic back, influences repairing effect.Base material following table is face-up when reparation, by base material
Upper surface is attached in photovoltaic back by function gluing oxidant layer, therefore base material lower surface is exposed primarily to external environment,
Therefore the FEVE fluororine-carbon coating thickness setting of lower surface is thicker than the FEVE fluororine-carbon coating of upper surface, is coated with by upper and lower surface
FEVE fluororine-carbon coating improves the service life of photovoltaic back repair membrane, and the coating layer thickness of lower surface then reduces photovoltaic back less than 15 μm
The weatherability of plate repair membrane, coating layer thickness are greater than 25 μm of adhesive force for then reducing itself and base material, influence photovoltaic back reparation
The service life of film；The coating layer thickness of upper surface then reduces the service life of photovoltaic back repair membrane less than 6 μm, and thickness is greater than 15
μm then reduce the bond effect between photovoltaic back layer and function gluing oxidant layer.
Further, the function gluing oxidant layer is acroleic acid resin, polyurethane resin, one in silicone resin material
Kind, the function gluing oxidant layer with a thickness of 5~25 μm.Function gluing oxidant layer preferred acrylic resins, function adhesive thickness
Degree then influences its effect in photovoltaic back that is adhesively fixed less than 5 μm, thickness be greater than 25 μm of reductions photovoltaic back repair membranes and
The compactness of photovoltaic back, influences repairing effect.The present invention selects acrylic resin, polyurethane resin, silicone resin material
Good elasticity is all had, sews up that effect is good and weather resistance and adhesive property are superior, effectively extends photovoltaic module after repairing
Service life.
Further, the separated type material layer is one of release paper, PET release film, PE release film, the release material
The bed of material with a thickness of 25~100 μm.Separated type material layer defencive function gluing oxidant layer before the repair membrane use.
Further, for the repair membrane of photovoltaic back, in accordance with the following methods prepared by step:
Step 1, the production of photovoltaic back layer: cutting base material by specification, is respectively adopted in the base material upper and lower surface
Coating machine coating FEVE fluororine-carbon coating is simultaneously toasted under the conditions of 60 DEG C~150 DEG C of temperature by the baking oven that overall length is 12m~40m,
Up to photovoltaic back layer；FEVE fluororine-carbon coating is uniformly coated on base material by coating machine and FEVE is made by heated baking
Fluororine-carbon coating rapid curing, the total length of the baking oven of coating machine, which is set as 12~40m, can guarantee that coating can be dried sufficiently, and can shape
At continuous production assembly line, production efficiency is improved；
Step 2, the setting of function adhesive layer: pass through coater one in the photovoltaic back layer upper surface that step 1 is prepared
Layer function adhesive layer is simultaneously dried under the conditions of 60 DEG C~150 DEG C of temperature by the baking oven that overall length is 12m~40m, i.e. completion function
The setting of adhesive layer；Function adhesive layer is uniformly coated on photovoltaic back upper surface, and the baking for passing through coating machine by coating machine
Case keeps its fast curing-formed, and the baking oven total length of coating machine is set as the certifiable coating of 12~40m and can sufficiently dry, and can
Continuous production assembly line is formed, production efficiency is improved；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.By press bonding roller can by separated type material layer and function adhesive layer close adhesion together,
Guarantee that separated type material layer sufficiently covers and protects function adhesive layer.
Further, the coating method of the coating machine is that dimple is coated with or slit extruded type is coated with.It is coated with using dimple
Or slit extruded type is coated with and can guarantee that FEVE fluororine-carbon coating and the coating of function gluing oxidant layer are uniformly seamless, and both coating sides
Formula is simple, and coating speed is fast, is conducive to improve coating speed.
Further, the coating line speeds of the coating machine are 10~100m/min.According to FEVE fluororine-carbon coating and function
The thickness and oven temperature of gluing oxidant layer adjust coating line speeds, to control the thickness after coating.
Further, sided corona treatment is carried out before the coating of base material described in step 1 FEVE fluororine-carbon coating.At corona
Reason increases the adhesive force of FEVE fluorocarbon coating and base material.
Further, the sided corona treatment power is 1~10kw.The sided corona treatment power can not be effective less than 1 kw
Increase the adhesive force of FEVE fluorocarbon coating and base material, processing power, which is greater than 10kw, will affect the smooth of substrate material surface
Property, the planarization after influencing base material coating FEVE fluorocarbon coating.
The present invention is used for the repair membrane and preparation method thereof of photovoltaic back, have it is following the utility model has the advantages that
The first, structure is simple；Repair membrane of the present invention is set as 3-tier architecture, using the PET sheet of dual coating FEVE fluororine-carbon coating as
Photovoltaic back layer, coating functions adhesive layer is to be repaired for photovoltaic back repair membrane to be pasted and fixed in photovoltaic back layer
In photovoltaic back, then separated type material layer defencive function adhesive layer is set, is torn separated type material layer when using, by function gluing
Being attached in photovoltaic back to be repaired on one side for layer, is simple in structure and reasonable in design；
The second, there is good external environment resistance, extend photovoltaic back service life；The present invention selects the conduct of FPF backboard
Repair photovoltaic back material, because its upper and lower surface is coated with FEVE fluororine-carbon coating, it includes fluorocarbon resin in due to fluorine
The bond energy of carbon key is big, and molecules align is close, can effective protection weak chemical bond and inner layer material not by the destruction of ultraviolet light,
Therefore the fluororine-carbon coating has weatherability, ultra-violet radiation resisting, high chemical stability, high mechanical strength and the toughness of superelevation, and
Antistick characteristic and stain resistance are strong, heat-resist, and maximum operation (service) temperature is up to 260 DEG C, so that the photovoltaic back being prepared be made to repair
Laminating adhesive is also used as new backboard while repairing damaged backboard and uses, and thereby may be ensured that photovoltaic back makes in outdoor
With the service life up to 25 years as long as；
Third, preparation process are simple；The present invention is respectively coated the FEVE fluorine of photovoltaic back layer by coating machine using coating method
Carbon coating and function adhesive layer, then covered release paper in function adhesive layer by press bonding roller, the preparation process is
Conventional fabrication process, easy to operate and preparation step is few, large-scale production easy to accomplish；
4th, the photovoltaic back that can repair mass lesions or aging, prolongs the service life；Select FPF backboard as repair membrane
Primary structure, be attached to can be realized on mass lesions or the backboard of aging by functional form adhesive layer and repair or replace,
Play the role of independent backboard, the FPF for extending photovoltaic back service life, and white or opaque PET sheet being selected to be prepared
Backboard has good occlusion effect,
5th, site operation is convenient, and environmental protection is generated without waste；It is dedicated that the photovoltaic back that tradition repairs breakage generallys use backboard
Repair sheets band is repaired, but is suitable only for repairing the backboard because transporting with leading to small area breakage in installation process, is not suitable for
Gradually aging and transport and installation process cause xanthochromia, pin hole, dusting, cracking generated by use environment and time reason etc.
Backboard large area breakage repairing, use scope limitation；Or whole replacements directly are carried out to damaged backboard, but remove component
It reinstalls and be easy to cause secondary bad, and when high-volume is replaced generates largely discarded backboards, pollutes environment；The present invention only needs
Remove separated type material layer, repair membrane be directly attached in impaired photovoltaic back, site operation is convenient, and can extend by
The service life of backboard is damaged, waste is reduced and generates；
6th, production cost is low；It is conventional material that the present invention, which prepares material therefor, there is mass selling, and price in the market
Cheap, production cost is low.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, below with reference to embodiment to this hair
It is bright to be described in further detail.
Embodiment 1
A kind of repair membrane for photovoltaic back, including photovoltaic back layer, function gluing oxidant layer and separated type material layer, the photovoltaic
Backsheet layer is FPF backboard, and for the FPF backboard using the white PET base material with a thickness of 25 μm as base material, upper surface coating is thick
The FEVE fluororine-carbon coating that degree is 6 μm, the FEVE fluororine-carbon coating that lower surface coating thickness is 15 μm, the function gluing oxidant layer are set
In the upper surface of photovoltaic back layer, the function gluing oxidant layer is made of acrylate, the function adhesive layer with a thickness of 10 μ
M, the separated type material layer be set to gluing oxidant layer on, separated type material layer be release paper, the release paper with a thickness of 25 μm.
Operation preparation obtains above-mentioned repair membrane according to the following steps:
Step 1, the production of photovoltaic back layer: cutting base material by specification, carries out sided corona treatment, sided corona treatment to base material
Power is 1kw, and then FEVE fluororine-carbon coating is respectively coated above and below base material using dimple coating method by coating machine
Two sides, coating speed 30m/min, then by the base material after coating by the baking oven of 20m long, the baking oven is by 5 sections
Oven body composition, every section baking oven temperature is respectively set to 85 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 90 DEG C, to passing through oven body
Base material is toasted to get photovoltaic back layer after coating；
Step 2, the setting of function adhesive layer: in the photovoltaic back layer upper surface that step 1 is prepared by coating machine using micro-
Recessed coating method coats a layer function adhesive layer, coating speed 30m/min, then by the baking oven of 20m long, the baking oven by
5 section oven bodies composition, every section baking oven temperature is respectively set to 85 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 90 DEG C, to passing through baking oven
Base material is toasted after the coating of body, that is, completes the setting of function adhesive layer；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.
Embodiment 2
A kind of repair membrane for photovoltaic back, including photovoltaic back layer, function gluing oxidant layer and separated type material layer, the photovoltaic
Backsheet layer is FPF backboard, and using the opaque PET base material with a thickness of 150 μm as base material, upper surface applies the FPF backboard
Cover the FEVE fluororine-carbon coating with a thickness of 10 μm, the FEVE fluororine-carbon coating that lower surface coating thickness is 20 μm, the function adhesive
Layer is set to the upper surface of photovoltaic back layer, and the function gluing oxidant layer is made of polyurethane resin, the thickness of the function adhesive layer
Degree is 15 μm, and the separated type material layer is set on gluing oxidant layer, and separated type material layer is PET release film, the PET release film
With a thickness of 50 μm.
Operation preparation obtains above-mentioned repair membrane according to the following steps:
Step 1, the production of photovoltaic back layer: cutting base material by specification, carries out sided corona treatment, sided corona treatment to base material
Power is 5kw, and then FEVE fluororine-carbon coating is respectively coated in substrate material using slit extruded type coating method by coating machine
Expect upper and lower surface, coating speed 60m/min, then the baking oven by the base material after coating by 40m long, the baking oven
Be made of 10 section oven bodies, every section baking oven temperature be respectively set to 60 DEG C, 80 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 150 DEG C,
130 DEG C, 110 DEG C, 85 DEG C, 60 DEG C, toast to get photovoltaic back layer base material after the coating by oven body；
Step 2, the setting of function adhesive layer: in the photovoltaic back layer upper surface that step 1 is prepared by coating machine using narrow
It stitches extruded type coating method and coats a layer function adhesive layer, coating speed 60m/min is described then by the baking oven of 40m long
Baking oven is made of 10 section oven bodies, and every section baking oven temperature is respectively set to 60 DEG C, 80 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 150
DEG C, 130 DEG C, 110 DEG C, 85 DEG C, 60 DEG C, base material after the coating by oven body is toasted, i.e., completion function gluing
The setting of layer；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.
Embodiment 3
A kind of repair membrane for photovoltaic back, including photovoltaic back layer, function gluing oxidant layer and separated type material layer, the photovoltaic
Backsheet layer is FPF backboard, and the FPF backboard is using the white PET base material with a thickness of 200 μm as base material, upper surface coating
With a thickness of 15 μm of FEVE fluororine-carbon coating, the FEVE fluororine-carbon coating that lower surface coating thickness is 25 μm, the function gluing oxidant layer
Set on the upper surface of photovoltaic back layer, the function gluing oxidant layer is made of silicone resin material, the function adhesive layer
With a thickness of 20 μm, the separated type material layer is set on gluing oxidant layer, and separated type material layer is PE release film, the PE release film
With a thickness of 80 μm.
Operation preparation obtains above-mentioned repair membrane according to the following steps:
Step 1, the production of photovoltaic back layer: cutting base material by specification, carries out sided corona treatment, sided corona treatment to base material
Power is 10kw, and then FEVE fluororine-carbon coating is respectively coated in substrate material using slit extruded type coating method by coating machine
Expect upper and lower surface, coating speed 50m/min, then the baking oven by the base material after coating by 40m long, the baking oven
Be made of 10 section oven bodies, every section baking oven temperature be respectively set to 60 DEG C, 80 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 150 DEG C,
130 DEG C, 110 DEG C, 85 DEG C, 60 DEG C, toast to get photovoltaic back layer base material after the coating by oven body；
Step 2, the setting of function adhesive layer: in the photovoltaic back layer upper surface that step 1 is prepared by coating machine using narrow
It stitches extruded type coating method and coats a layer function adhesive layer, coating speed 50m/min is described then by the baking oven of 40m long
Baking oven is made of 10 section oven bodies, and every section baking oven temperature is respectively set to 60 DEG C, 80 DEG C, 105 DEG C, 125 DEG C, 140 DEG C, 150
DEG C, 130 DEG C, 110 DEG C, 85 DEG C, 60 DEG C, base material after the coating by oven body is toasted, i.e., completion function gluing
The setting of layer；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.
Embodiment 4
A kind of repair membrane for photovoltaic back, including photovoltaic back layer, function gluing oxidant layer and separated type material layer, the photovoltaic
Backsheet layer is FPF backboard, and the FPF backboard is using the white PET base material with a thickness of 300 μm as base material, upper surface coating
With a thickness of 10 μm of FEVE fluororine-carbon coating, the FEVE fluororine-carbon coating that lower surface coating thickness is 20 μm, the function gluing oxidant layer
Set on the upper surface of photovoltaic back layer, the function gluing oxidant layer is made of acrylate, the function adhesive layer with a thickness of
25 μm, the separated type material layer be set to gluing oxidant layer on, separated type material layer be PE release film, the PE release film with a thickness of
100μm。
Operation preparation obtains above-mentioned repair membrane according to the following steps:
Step 1, the production of photovoltaic back layer: cutting base material by specification, carries out sided corona treatment, sided corona treatment to base material
Power is 3kw, and then FEVE fluororine-carbon coating is respectively coated above and below base material using dimple coating method by coating machine
Two sides, coating speed 20m/min, then by the base material after coating by the baking oven of 20m long, the baking oven is by 5 sections
Oven body, every section baking oven temperature is respectively set to 75 DEG C, 100 DEG C, 110 DEG C, 130 DEG C, 80 DEG C, to the coating by oven body
Base material is toasted to get photovoltaic back layer afterwards；
Step 2, the setting of function adhesive layer: in the photovoltaic back layer upper surface that step 1 is prepared by coating machine using sharp
Recessed coating method coats a layer function adhesive layer, coating speed 20m/min, then by the baking oven of 20m long, the baking oven by
5 section oven bodies, every section baking oven temperature are respectively set to 75 DEG C, 100 DEG C, 110 DEG C, 130 DEG C, 80 DEG C, to by oven body
Base material is toasted after coating, that is, completes the setting of function adhesive layer；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.
It is as follows that the photovoltaic back that above-described embodiment is prepared repairs film properties test:
Condition 1: double 85 experiments (85 DEG C of temperature, humidity 85%RH)
Condition 2:Pressure cooker test (PCT) tests (120 DEG C of temperature, humidity 100%RH)
Condition 3: moisture-vapor transmission tests (38 DEG C/90%RH)
Experimental result is as follows:
From the above experiments, it was found that the photovoltaic back repair membrane that the present invention is prepared has good high temperature and humidity resistance,
Adhesion strength is high, has good waterproof performance, can effectively improve the service life of photovoltaic module after repairing, and is suitble on the market
It promotes and applies, there are good market prospects.
Above-mentioned is presently preferred embodiments of the present invention, is not intended to limit the present invention in any form；All industry
Those of ordinary skill can implement the present invention by the above and swimmingly；But all those skilled in the art exist
Do not depart within the scope of technical solution of the present invention, a little change for being made using disclosed above technology contents, modification with
The equivalent variations of differentiation is equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention are to above embodiments
The variation, modification and evolution etc. of made any equivalent variations, within the protection scope for still falling within technical solution of the present invention.
Claims (10)
1. a kind of repair membrane for photovoltaic back, it is characterised in that: including photovoltaic back layer, function gluing oxidant layer and release
Layer, the photovoltaic back layer are FPF backboard, and the function gluing oxidant layer is set to the upper surface of photovoltaic back layer, the release layer
On gluing oxidant layer.
2. the repair membrane according to claim 1 for photovoltaic back, it is characterised in that: the FPF backboard is with white PET
As base material, the base material upper and lower surface is coated with FEVE fluororine-carbon coating for substrate or opaque PET base material.
3. the repair membrane according to claim 2 for photovoltaic back, it is characterised in that: the base material is with a thickness of 25
~300 μm, the FEVE fluororine-carbon coating of the base material lower surface with a thickness of 15~25 μm, the base material upper surface
FEVE fluororine-carbon coating is with a thickness of 6~15 μm.
4. the repair membrane according to claim 3 for photovoltaic back, it is characterised in that: the function gluing oxidant layer is third
One of olefin(e) acid resin, polyurethane resin, silicone resin material, the function gluing oxidant layer with a thickness of 5~25 μm.
5. the repair membrane according to claim 4 for photovoltaic back, it is characterised in that: the release layer be release paper,
One of PET release film, PE release film, the release layer with a thickness of 25~100 μm.
6. a kind of preparation method of the repair membrane for photovoltaic back, it is characterised in that: claim 1 is any to claim 5
In accordance with the following methods prepared by step for the repair membrane for photovoltaic back described in:
Step 1, the production of photovoltaic back layer: cutting base material by specification, is respectively adopted in the base material upper and lower surface
Coating machine coating FEVE fluororine-carbon coating is simultaneously toasted under the conditions of 60 DEG C~150 DEG C of temperature by the baking oven that overall length is 12m~40m,
Up to photovoltaic back layer；
Step 2, the setting of function adhesive layer: pass through coater one in the photovoltaic back layer upper surface that step 1 is prepared
Layer function adhesive layer is simultaneously dried under the conditions of 60 DEG C~150 DEG C of temperature by the baking oven that overall length is 12m~40m, i.e. completion function
The setting of adhesive layer；
Step 3, the setting of release layer: function adhesive layer of the above-mentioned steps 2 after overbaking using press bonding roller by release layer with
Function adhesive layer carries out laminating to get finished product.
7. the preparation method of the repair membrane according to claim 6 for photovoltaic back, it is characterised in that: the coating machine
Coating method be dimple be coated with or slit extruded type coating.
8. the preparation method of the repair membrane according to claim 7 for photovoltaic back, it is characterised in that: the coating machine
Coating line speeds be 10~100m/min.
9. the preparation method of the repair membrane according to claim 8 for photovoltaic back, it is characterised in that: described in step 1
Sided corona treatment is carried out before base material coating FEVE fluororine-carbon coating.
10. the preparation method of the repair membrane according to claim 9 for photovoltaic back, it is characterised in that: the corona
Processing power is 1~10kw.
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| CN201811005204.9A CN109449230A (en) | 2018-08-30 | 2018-08-30 | A kind of repair membrane and preparation method thereof for photovoltaic back |
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| CN201811005204.9A CN109449230A (en) | 2018-08-30 | 2018-08-30 | A kind of repair membrane and preparation method thereof for photovoltaic back |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920879A (en) * | 2019-03-14 | 2019-06-21 | 晶科能源有限公司 | A kind of photovoltaic cracking backboard low temperature prosthetic device and method |
| CN113134132A (en) * | 2020-01-20 | 2021-07-20 | 烟台华运新材料科技有限公司 | Release paper applied to medical indwelling needle patch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110108086A1 (en) * | 2007-02-16 | 2011-05-12 | Marina Temchenko | Backing sheet for photovoltaic modules and method for repairing same |
| CN205680696U (en) * | 2016-04-22 | 2016-11-09 | 阿特斯(中国)投资有限公司 | The reparation band of photovoltaic cell |
| CN106893510A (en) * | 2017-03-01 | 2017-06-27 | 苏州赛伍应用技术有限公司 | A kind of photovoltaic component back plate preparation method of high-performance repair sheets band |
| CN108329586A (en) * | 2018-01-30 | 2018-07-27 | 苏州赛伍应用技术股份有限公司 | A kind of three-decker water vapor rejection film and preparation method thereof |
-
2018
- 2018-08-30 CN CN201811005204.9A patent/CN109449230A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110108086A1 (en) * | 2007-02-16 | 2011-05-12 | Marina Temchenko | Backing sheet for photovoltaic modules and method for repairing same |
| CN205680696U (en) * | 2016-04-22 | 2016-11-09 | 阿特斯(中国)投资有限公司 | The reparation band of photovoltaic cell |
| CN106893510A (en) * | 2017-03-01 | 2017-06-27 | 苏州赛伍应用技术有限公司 | A kind of photovoltaic component back plate preparation method of high-performance repair sheets band |
| CN108329586A (en) * | 2018-01-30 | 2018-07-27 | 苏州赛伍应用技术股份有限公司 | A kind of three-decker water vapor rejection film and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 梁增田: "《塑料用涂料与涂装》", 31 March 2006 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920879A (en) * | 2019-03-14 | 2019-06-21 | 晶科能源有限公司 | A kind of photovoltaic cracking backboard low temperature prosthetic device and method |
| CN113134132A (en) * | 2020-01-20 | 2021-07-20 | 烟台华运新材料科技有限公司 | Release paper applied to medical indwelling needle patch |
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