KR20100105930A - Back sheet for module, its manufacturing method and its manufacturing apparatus thereof - Google Patents
Back sheet for module, its manufacturing method and its manufacturing apparatus thereof Download PDFInfo
- Publication number
- KR20100105930A KR20100105930A KR1020090024294A KR20090024294A KR20100105930A KR 20100105930 A KR20100105930 A KR 20100105930A KR 1020090024294 A KR1020090024294 A KR 1020090024294A KR 20090024294 A KR20090024294 A KR 20090024294A KR 20100105930 A KR20100105930 A KR 20100105930A
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- South Korea
- Prior art keywords
- film
- silica
- pet film
- solar cell
- back sheet
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 190
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 94
- 229920002799 BoPET Polymers 0.000 claims abstract description 80
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000011737 fluorine Substances 0.000 claims abstract description 42
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 41
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 claims abstract description 38
- 230000008021 deposition Effects 0.000 claims abstract description 31
- 238000010030 laminating Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims description 36
- 238000000576 coating method Methods 0.000 claims description 36
- 238000000151 deposition Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 33
- 229920006267 polyester film Polymers 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 22
- 230000003746 surface roughness Effects 0.000 claims description 16
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 15
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000032683 aging Effects 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- -1 methacryloyl group Chemical group 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 4
- 229920001225 polyester resin Polymers 0.000 abstract description 3
- 239000004645 polyester resin Substances 0.000 abstract description 3
- 229920001721 polyimide Polymers 0.000 abstract description 2
- 239000009719 polyimide resin Substances 0.000 abstract description 2
- 229920005672 polyolefin resin Polymers 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 79
- 239000010410 layer Substances 0.000 description 42
- 230000004888 barrier function Effects 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- POYODSZSSBWJPD-UHFFFAOYSA-N 2-methylprop-2-enoyloxy 2-methylprop-2-eneperoxoate Chemical compound CC(=C)C(=O)OOOC(=O)C(C)=C POYODSZSSBWJPD-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- MHCLJIVVJQQNKQ-UHFFFAOYSA-N ethyl carbamate;2-methylprop-2-enoic acid Chemical compound CCOC(N)=O.CC(=C)C(O)=O MHCLJIVVJQQNKQ-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000019592 roughness Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Images
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
Abstract
Description
The present invention relates to a back sheet for a solar cell module, a manufacturing method, and a device thereof, wherein a PET film coated with a fluorine resin and a silica film deposited with silica are laminated on one side thereof to provide high moisture resistance and weather resistance. The present invention relates to a module backsheet, a manufacturing method and an apparatus thereof.
As global warming has emerged as a global problem, the Kyoto Protocol, signed in 1997 with a focus on developed countries (except the United States) as an effective reduction measure in 1992, reduced greenhouse gas emissions such as carbon dioxide in 1990-2012 to prevent global warming. It is supposed to reduce by more than 5% based on annual emissions by member countries.
Humanity is now paying attention to renewable energy as an alternative to overcoming the fundamental problems of fossil fuels without sacrificing the current quality of life.
Photovoltaic technology is a technology that converts solar energy into electrical energy using a medium called a solar cell module. Since there is no mechanical or chemical action in the process of converting solar energy into electrical energy, the system structure is simple and requires little maintenance. Long life, safe and environmentally friendly.
The solar cell module is composed of metal wire that electrically connects low iron tempered glass, filler (EVA), solar cell (Cell), back sheet and each cell from the solar incident surface. The back sheet has moisture and insulation blocking function penetrating from the rear of the module.
However, the existing back sheet is mostly dependent on imports, and the back barrier related technology is also very high due to the monopoly of developed countries.
Conventional solar cell module back sheet is used to form an aluminum thin film on the base film, the back sheet using the aluminum thin film as described above uses a conductive aluminum thin film, if damage to the back sheet, short circuit, etc. In order to solve the problem, the thickness of the backsheet and the solar cell itself has been increased due to the thickening of the insulating film.
In addition, a conventional solar cell module back sheet may be bonded by laminating a Tedlar film on a PET base film, but the Tedlar film and the PET base film may have peeling phenomena, which may cause various problems, such as durability. there was.
The present invention is to solve the above object, the object is to sequentially laminate a fluororesin layer, PET film, silica film, a solar cell module back sheet and a manufacturing method to provide high moisture resistance and weather resistance and its To provide a device.
Still another object of the present invention is to manufacture a back sheet by laminating a PET film having a fluorine resin layer and a silica film having a silica layer, so that the productivity and economic efficiency of the back sheet can be improved. To provide a sheet, a manufacturing method and an apparatus thereof.
Another object of the present invention is to apply a fluororesin paint and a silica (deposition) film by arranging a plurality of thermal drying chambers in succession, increasing the temperature conditions of each heating chamber step by step, then reducing the temperature and finally cooling. The present invention provides a back sheet for a solar cell module, a manufacturing method, and a device capable of increasing the adhesion by making the amount of adhesive uniform and at the same time suppressing bubbles or wrinkles on the coating film.
Another object of the present invention is to firmly attach the fluororesin and silica (deposition) film to the PET film to prevent the fluororesin and silica (deposition) film from being peeled off from the base PET film in the future use, vapor barrier, insulation, etc. Compared with existing products, it has a significantly higher durability.
Still another object of the present invention is to provide a cured film by a silane coupling agent on a silica film, to provide excellent durability and reliability, and thereby to manufacture a solar cell module backsheet that can improve the functionality of the backsheet. It is to provide a method and an apparatus thereof.
Another object of the present invention is to form a silica film by a base film having a different surface roughness, to improve the deposition efficiency of silica, and has a good winding property to perform a lamination process smoothly To provide a sheet, a manufacturing method and an apparatus thereof.
In the present invention, a fluororesin layer is laminated on one side of a PET film, and a silica film is laminated on the other side by a polyurethane adhesive.
At this time, the silica film is to be deposited on the polyester film coated with a coating liquid containing a silane coupling agent.
In addition, the silica film is laminated with a polyester film having different surface roughness.
In addition, the present invention provides a method for manufacturing a solar cell module back sheet;
A first step of manufacturing a PET film having a fluorine resin layer by coating and curing a fluororesin paint on one side of the PET film;
The urethane adhesive is applied to one side of the silica film, and the PET sheet having the fluorine resin layer is pressed and attached to the urethane adhesive coating surface by the first step to produce the solar cell module back sheet. .
Thus, in the present invention, the fluororesin layer is laminated on one side of the PET film, and the silica film is laminated on the other side, thereby providing water vapor barrier and excellent insulation.
In addition, the present invention can form a thin fluorine resin layer on one side of the PET film by the fluorine resin coating and a plurality of thermal drying chambers having different temperature conditions, and firmly integrates the PET film and the fluorine resin layer. You can.
In addition, the silica film of the present invention is to deposit a silica after applying a coating liquid containing a silane coupling agent to the base film, thereby improving the adhesion of the resulting silica deposition layer, thereby improving the durability of the backsheet You can.
In addition, the silica film of the present invention is formed by laminating polyesters having different roughnesses of the base film, thereby improving adhesion to the PET film, forming a silica deposition layer uniformly, and having excellent winding properties. It is provided with.
In addition, the present invention is to integrate the PET film and the silica film having a fluorine resin layer by a lamination method, it is possible to maximize the functionality and productivity of the solar cell module back sheet.
In addition, the present invention is to provide a thin film of the fluorine resin layer, the solar cell module back sheet has a thin film and lightweight, and the fluororesin layer and silica film is attached to both sides of the PET, respectively, thin film and excellent durability Equipped at the same time, through this has the effect of enabling an efficient design of the solar power system.
In addition, the present invention includes a fluorine resin layer and a silica deposition layer, has the adhesion and water vapor barrier properties by the fluorine resin layer, the water vapor barrier properties, durability, wear resistance, chemical resistance, heat resistance by the silica deposition layer It can be provided at the same time.
In addition, the present invention can form a back sheet by a simplified manufacturing process, it is possible to enable mass production and stable supply of solar cell back sheet that can simultaneously satisfy the functionality and cost competitiveness.
In addition, the present invention is attached to the PET film and the silica film by the urethane-based adhesive, it is sequentially passed through the heating chamber to increase the temperature and the temperature reduction heating chamber step by step, bubbles and wrinkles generated between the PET film and the silica film There are many effects, such as minimizing and increasing adhesion.
1 is an exemplary view showing a configuration according to the present invention, Figure 2 is an exemplary view showing another configuration of the base film according to the present invention, Figure 3 is a block exemplary view showing a manufacturing process of the back sheet according to the present invention. 4 is a view illustrating an embodiment of a solar cell module backsheet manufacturing apparatus according to the present invention, the solar
The
The
In addition, the
In addition, the
The surface roughness of the
The
In addition, the inert particles contained in the
The
The
In this case, the
The silane coupling agent is a silane coupling agent having an acryloyl group or a methacryloyl group, and is added in an amount of about 0.2 to 45% by weight to the coating liquid.
The coating solution is composed of commercially available monomers or polymers for forming a cured coating. For example, monomers such as epoxy methacrylate, urethane methacrylate, polyester methacrylate and the like are used.
As shown in FIG. 1, the solar cell module backsheet of the present invention configured as described above is formed by adhesion of a
Figure 3 shows a block diagram showing a manufacturing method according to the present invention, the solar cell module back sheet (Back Sheet) according to the present invention is a first process for producing a PET film having a fluorine resin layer, And a second step of attaching the silica film to the PET film having the fluorine resin layer.
The first step is the first step of compounding the fluororesin chemicals,
A second step of unwinding the PET film wound on the roller and coating a fluororesin on one side of the unrolled PET film;
A third step of passing the PET film coated with the fluorocarbon resin into the thermal drying chamber;
A fourth step of cooling the PET film passing through the third step;
And a fifth step of winding the PET film cooled in the fourth step onto a roller and then aging them.
The fluorine resin coating coated in the first step has a main component and a component ratio of 40 to 50% by weight, a solvent ratio of 50 to 60%, and uses a fluorine-based solvent. The fluorine-based solvent facilitates the smoothness of the coating film, and in particular, serves to suppress pin holes occurring on the coating film. In this case, it is preferable to use a fluorine resin system of four fluorine atoms in consideration of weather resistance, curability and adhesion, such a fluorine resin system is provided with CF bond 116 ㎉ / mol, F by UV, O2, H2O It has a characteristic that no ions are generated. In addition, it means the well-known hardening | curing agent and various additives added to the said fluororesin system.
The second step is a step of coating the fluorine resin on one side of the uncoated PET film (Coating), the coating thickness of the fluorine resin coated on the PET film (Coating) is adjusted within 5 to 30㎛. In addition, it is preferable to use a three-line mash in the roll at the time of coating a fluororesin paint (Coating).
The third step is a step of passing through a plurality of thermal drying chambers arranged in succession with different temperature conditions to form a fluorine resin layer through stepwise temperature and temperature reduction of the temperature, the first chamber maintained at 70 ~ 80 ℃ And a second chamber maintained at 100 ° C., a third chamber maintained at 180 ° C., a fourth chamber maintained at 200 ° C., a fifth chamber maintained at 180 ° C., and a sixth chamber maintained at 150 ° C. And the seventh chamber maintained at 130 ° C. and the eighth chamber maintained at 90 ° C. to 100 ° C. are sequentially passed to uniformly apply the fluorine resin onto the PET film to increase adhesion.
The fourth step is to cool the PET film passed through the heat drying chamber, preferably to 35 ℃ to 75 ℃. This is to solidify the uniformly applied fluorine resin while passing through the heat-drying chamber and to maintain it in the uniform state until adhered to the PET film.
In the fifth step, the cooled PET film is wound on a roller, and then the wound PET film is aged in a aging chamber, and aged at 50 ° C. to 55 ° C. for 48 to 72 hours.
The second process is the first step of compounding a urethane two-component adhesive,
A second step of applying the urethane adhesive to one side of the silica film,
A third step of passing the urethane adhesive-coated silica film into a plurality of thermal chambers arranged in series,
A fourth step of pressing and attaching the PET film having the fluororesin layer laminated by the first process to the adhesive coating surface of the silica film having passed through the third step to form a back sheet;
And a fifth step of cooling the backsheet having passed through the fourth step.
At this time, the silica film and the PET film are wound on a roll and continuously supplied to the second process.
In addition, the second process further includes a silica film forming step of depositing silica on the base film.
In the silica film forming step, the coating solution containing the silane coupling agent is applied to the base film, and then the silica is deposited to form a silica deposition layer.
In addition, the silica film forming step may be a laminating step of pressing and laminating an upper polyester film having a surface roughness Ra of 0.005 to 0.03 μm and a lower polyester film having a low crystalline surface roughness Ra of 0.040 μm or more; , And depositing silica on the laminated upper polyester film.
The second step is to apply the adhesive to one side of the unwinding silica (deposition) film, the coating thickness of the urethane adhesive to be applied is adjusted within 3 to 5㎛.
At this time, the urethane adhesive is the ratio of the main agent and the curing agent by weight ratio of 10 to 20%, the solvent ratio is 40 to 50%. In addition, the urethane adhesive is a urethane two-component type is provided with
The third step is to pass the adhesive-coated film into a plurality of heating chambers arranged in series with different temperature conditions, the first chamber maintained at 75 ℃, the second chamber maintained at 80 ℃ and In order to sequentially pass through the third chamber maintained at 75 ° C., the solvent contained in the adhesive is evaporated through the stepwise temperature and temperature reduction of the temperature, and in particular, the adhesive prevents boiling and bubbles or wrinkles from occurring. Further, the main ingredient and the curing agent in the adhesive are evenly applied on the PET film to increase the adhesive force.
The fourth step is a step of attaching the PET film and the silica film integrally, and maintains the tension (tension) of the PET film unrolled so that bubbles or wrinkles do not occur between the PET film and the silica film at 10 to 20Kgf / ㎡ .
The fifth step is to cool the backsheet on which the PET film and the silica (deposition) film are laminated, and preferably, cool down to 35 ° C to 75 ° C.
The backsheet cooled as described above is aged for 48 to 72 hours at 50 ° C to 55 ° C, so that the fluororesin paint and adhesive are more firmly cured so that the PET film does not peel off from the fluororesin layer and the silica (deposition) film, respectively. do.
Figure 4 illustrates an embodiment of a solar cell module backsheet manufacturing apparatus according to the present invention, when the backsheet manufacturing apparatus by the illustrated Figure 4 as follows. In addition, this invention is not limited to the manufacturing apparatus of FIG.
The present invention is intended to include a first manufacturing device for laminating a fluororesin layer on one side of the PET film, and a second manufacturing device for attaching the PET film and silica film in which the fluorine resin layer is laminated.
The
The
The
In addition, the thermal drying chamber of the first manufacturing apparatus and the second manufacturing apparatus shown in FIG. 4 is not shown in detail, but the thermal drying chamber of the first manufacturing apparatus includes first to eighth chambers, and a second chamber. The heat drying chamber of the manufacturing apparatus consists of a first chamber to a third chamber.
The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.
1 is an exemplary view showing a configuration according to the present invention
Figure 2 is an exemplary view showing another configuration of the base film according to the present invention
Figure 3 is a block diagram showing a manufacturing process of the back sheet according to the present invention
Figure 4 is an embodiment of a solar cell module back sheet manufacturing apparatus according to the present invention
DESCRIPTION OF THE REFERENCE NUMERALS
10: PET film 20: fluororesin layer
(30): Silica Film (31): Base Film
(32): Silica Evaporation Layer 311: Upper Polyester Film
(312): Underlayer Polyester Film 400: Backsheet
(100): first manufacturing apparatus (110): first unwinding machine
120: fluorine resin (130): fluorine resin coating (Coating) machine
140: heat drying chamber 150: cooler
160: second winding machine 200: second manufacturing apparatus
210: third unwinder 220: adhesive applicator
230: heat drying chamber 240: the fourth unwinding machine
250: pressure roller 260: cooler
270: the fifth winding machine
Claims (20)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090024294A KR101022820B1 (en) | 2009-03-23 | 2009-03-23 | Back sheet for module, its manufacturing method and its manufacturing apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090024294A KR101022820B1 (en) | 2009-03-23 | 2009-03-23 | Back sheet for module, its manufacturing method and its manufacturing apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100105930A true KR20100105930A (en) | 2010-10-01 |
| KR101022820B1 KR101022820B1 (en) | 2011-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020090024294A KR101022820B1 (en) | 2009-03-23 | 2009-03-23 | Back sheet for module, its manufacturing method and its manufacturing apparatus thereof |
Country Status (1)
| Country | Link |
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| KR (1) | KR101022820B1 (en) |
Cited By (6)
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|---|---|---|---|---|
| WO2012050316A1 (en) * | 2010-10-13 | 2012-04-19 | Kim Min-Hyuk | Back sheet of a solar cell module for photovoltaic power generation |
| KR101156891B1 (en) * | 2010-10-21 | 2012-06-21 | 도레이첨단소재 주식회사 | Back sheet for a solarcell having an improved property for blocking a moisture and manufacturing method thereof |
| KR101348283B1 (en) * | 2013-01-07 | 2014-01-10 | 율촌화학 주식회사 | Back sheet for solar cell module |
| KR101505746B1 (en) * | 2013-10-29 | 2015-03-26 | 인하대학교 산학협력단 | Excellent heat dissipation and insulation back sheet for solar cells |
| KR101505747B1 (en) * | 2013-10-29 | 2015-03-26 | 인하대학교 산학협력단 | Heat-insulating filler mixed with excellent heat-insulation adhesive layer equipped with a solar cell back sheet |
| KR20220102252A (en) * | 2021-01-13 | 2022-07-20 | 경상국립대학교산학협력단 | Super hydrophobic paint and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101212449B1 (en) | 2010-10-21 | 2012-12-13 | (주)석경에이티 | Resin coating composition for solar cell module back sheet, solar cell module back sheet, solar cell comprising the same, and fabrication method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001315248A (en) * | 2000-05-01 | 2001-11-13 | Chuko Kasei Kogyo Kk | Composite sheet |
| WO2002003475A1 (en) * | 2000-07-03 | 2002-01-10 | Bridgestone Corporation | Backside covering material for a solar cell module and its use |
| JP2002100788A (en) * | 2000-09-20 | 2002-04-05 | Mitsubishi Alum Co Ltd | Back sheet for solar battery cover material, and solar battery module using the same |
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2009
- 2009-03-23 KR KR1020090024294A patent/KR101022820B1/en not_active IP Right Cessation
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| WO2012050316A1 (en) * | 2010-10-13 | 2012-04-19 | Kim Min-Hyuk | Back sheet of a solar cell module for photovoltaic power generation |
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| KR101348283B1 (en) * | 2013-01-07 | 2014-01-10 | 율촌화학 주식회사 | Back sheet for solar cell module |
| KR101505746B1 (en) * | 2013-10-29 | 2015-03-26 | 인하대학교 산학협력단 | Excellent heat dissipation and insulation back sheet for solar cells |
| KR101505747B1 (en) * | 2013-10-29 | 2015-03-26 | 인하대학교 산학협력단 | Heat-insulating filler mixed with excellent heat-insulation adhesive layer equipped with a solar cell back sheet |
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