CN202678350U - High-weatherability UTPT solar cell back film - Google Patents
High-weatherability UTPT solar cell back film Download PDFInfo
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- CN202678350U CN202678350U CN 201120567077 CN201120567077U CN202678350U CN 202678350 U CN202678350 U CN 202678350U CN 201120567077 CN201120567077 CN 201120567077 CN 201120567077 U CN201120567077 U CN 201120567077U CN 202678350 U CN202678350 U CN 202678350U
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- 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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Abstract
The utility model discloses a high-weatherability UTPT solar cell back film which comprises a base layer; high-viscosity primer liquid-coating layers are respectively coated on the upper surface and the lower surface of the base layer in a spraying manner; the high-viscosity primer liquid-coating layers on the upper surface and the lower surface of the base layer are respectively coated with a chlorotrifluoroethylene coating layer, and the outermost surface facing to the sunshine is coated with a UV layer. The high weather-resistant UTPT solar cell back film provided by the utility model has high adhesion, high weatherability, chemical resistance, high electricity insulation and high waterproofness.
Description
Technical field
The utility model relates to solar cell, is specifically related to a kind of solar battery back film that has the TPE of high viscosity for solar cell.
Background technology
Solar panel is a laminated construction normally, mainly comprises surface layer of glass, EVA sealant, solar battery sheet, EVA sealant and solar battery back film, and wherein solar cell is wrapped up by two-layer EVA sealant.The Main Function of solar battery back film is the overall mechanical strength that improves solar panel, can prevent that in addition water vapor permeable from sealant, affecting the useful life of cell piece.In order to improve the overall performance of notacoria, occur in the prior art carrying out improvement project for notacoria in a large number.For example, China Patent No. is that CN200820133536, publication number are that CN201199526, name are called a kind of solar battery back film, it is seven-layer structure, comprise the silicon titanizing film forming layer that sequentially is laminated with together, fluorine-based rete, silicon titanizing film forming layer, basic unit, silicon titanizing film forming layer, fluorine-based rete and silicon titanizing film forming layer, although such scheme has high-adhesion, high-weatherability, chemical resistance, high electric insulating quality and high water proofing property, but scheme needs the more number of plies on the one hand, structure is comparatively complicated, manufacture difficulty is larger, and production cost is high; On the other hand, this scheme is firm not with cooperating of other solar components, and adhesive force is inadequate, the phenomenon of delamination can occur.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art provides a kind of solar battery back film with high adhesion force, high-weatherability, chemical resistance, high electric insulating quality and high water proofing property.
To achieve these goals, the utility model is designed a kind of UTPT solar battery back film of high-weatherability, comprise basic unit, the upper and lower surface of described basic unit respectively is coated with high sticky end and is coated with liquid layer, be coated with liquid layer in upper floor height sticky end and be laminated with the chlorotrifluoroethylene dope layer, be coated with liquid layer showering ethylene-vinyl acetate copolymer layer in lower floor height sticky end.
As of the present utility model preferred: the thickness that described high sticky end is coated with liquid layer is 0.01 micron to 2 microns.
As of the present utility model preferred: it is the maleic anhydride graft liquid layer that described high sticky end is coated with liquid layer.
As of the present utility model preferred: the thickness of described chlorotrifluoroethylene dope layer is 10 microns to 50 microns.
As of the present utility model preferred: described basic unit is polyethylene terephtalate layer high temperature resistant, high insulation.
As of the present utility model preferred: described groundwork thickness is 0.1 millimeter to 0.5 millimeter.
The UTPT solar battery back film of the utility model high-weatherability is when PET basic unit and chlorotrifluoroethylene dope layer are laminated with, add the masking liquid that has been coated with one deck high viscosity in PET basic unit, and the surface of basic unit and chlorotrifluoroethylene dope layer carried out plasma treatment, so that adhesive property of the present utility model is better, interlayer is closely knit, has improved barrier property, especially steam is had better obstruct, humidity resistance is good, and electric property and weather resistance are better.The UTPT solar battery back film of the utility model high-weatherability is to be coated with liquid layer, basic unit, high sticky end by the chlorotrifluoroethylene dope layer that sequentially is laminated with, high sticky end to be coated with liquid layer, chlorotrifluoroethylene dope layer and high sticky end and to be coated with liquid layer showering ethylene-vinyl acetate copolymer layer and to carry out lamination and obtain, its manufacture process is simple, production cost is low, and product has high adhesion force, high-weatherability, chemical resistance, high electric insulating quality and the high advantages such as water proofing property.
Description of drawings:
Accompanying drawing 1 is the structural representation of the UTPT solar battery back film of the utility model high-weatherability.
Embodiment:
[0012]For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing the utility model principle is described in further detail.
[0013]As shown in Figure 1, design a kind of UTPT solar battery back film of high-weatherability, comprise basic unit 1, the upper and lower surface of described basic unit 1 respectively is coated with high sticky end and is coated with liquid layer 2, be coated with liquid layer 2 in upper floor height sticky end and be laminated with chlorotrifluoroethylene dope layer 3, be coated with liquid layer 2 showering ethylene-vinyl acetate copolymer layer 4 in lower floor height sticky end.The thickness that described high sticky end is coated with liquid layer 2 is 0.01 micron to 2 microns.Described high sticky end is coated with liquid layer 2 and is the maleic anhydride graft liquid layer.The thickness of described chlorotrifluoroethylene dope layer 3 is 10 microns to 50 microns.
[0014]As shown in Figure 1, described basic unit 1 is polyethylene terephtalate layer high temperature resistant, high insulation.The thickness of basic unit 1 is 0.1 millimeter to 0.5 millimeter, and preferred thickness is 100 microns to 350 microns; Described high sticky end is coated with liquid layer 2 and is the maleic anhydride graft liquid layer, and its thickness is 0.01 micron to 2 microns, and preferred thickness is 0.5 micron to 1 micron; The thickness of described chlorotrifluoroethylene dope layer 3 is 10 microns to 50 microns, and preferred thickness is 20 microns to 40 microns; The thickness of described ethylene-vinyl acetate copolymer layer 4 is 5 microns to 10 microns, and preferred thickness is 5 microns to 10 microns.
[0015]In addition, basic unit 1 described in the utility model also can adopt the PE material, forms the foaming layer of ultra-fine closed pore formula by ultra-fine sealing cellular type foam process, and the foam hole in the foaming layer here is enclosed construction, and the tool foam hole is hyperfine structure.Basic unit with this foam hole structure has preferably holding power, and lightweight, is easy to bending, can be applied in the bending-type solar panel.The thickness of described basic unit 1 is 0.1mm-7.5mm, and wherein the non-preferred thickness that foams basic unit is 0.25-0.45mm, and concrete numerical value is 0.3mm, 0.35mm, 0.28mm, 0.4mm, 0.42mm.The preferred thickness of foaming basic unit is 1mm-3mm, and concrete numerical value can be 1mm, 1.88mm, 2.5mm.
[0016]The UTPT solar battery back film of the utility model high-weatherability also relates to following processing technology in the process of producing:
(1), plasma treatment is carried out on PET basic unit 1 surface, carry out again the PET basic unit high sticky end of 1 coating and be coated with liquid layer 2 and increase adhesive force, be coated with again one deck chlorotrifluoroethylene dope layer 3 after the oven dry; The plasma treatment process that adopts can be the plasma treatment process of comparative maturity in the prior art, also is corona treatment, and the temperature that high sticky end is coated with liquid layer 2 oven dry is the 90-130 degree, through 100 degrees centigrade of heated bakings 5 seconds;
The chlorotrifluoroethylene dope layer 3 that (2) will be coated in the PET basic unit 1 is dried and Electrostatic Treatment.Bake out temperature is 100 degrees centigrade of heated bakings 20 seconds, and PET basic unit 1 and chlorotrifluoroethylene dope layer 3 are merged fully;
(3) adopt top same method to carry out PET basic unit 1 another side is coated with chlorotrifluoroethylene dope layer 3;
(4) at last be coated with liquid layer showering ethylene-vinyl acetate copolymer layer 4 to what be coated with chlorotrifluoroethylene dope layer 3 in the face of the sunlight face applies high sticky end again, wherein the temperature of oven dry was the 80-131 degree, through 100 degrees centigrade of heated bakings 5 seconds.
[0017]The utility model product is compared with same kind of products at abroad, and every data are as follows:
| Characteristic | Unit | Japanese product | U.S.'s product | The utility model product |
| The weatherability time | Year | 25 years | 25 years | More than 28 years |
| Caking ability to EVA | N/10mm | 20-40 | 20-40 | 40-80 |
| Moisture-vapor transmission | g/m.d | 1.6 | 4.3 | 1.2 below |
Can find out by above contrast, the UTPT solar battery back film of the utility model high-weatherability obviously is better than same kind of products at abroad on indices, also is better than the TPT solar cell backboard of producing before our company simultaneously.
[0018]The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction; But the those of ordinary skill of all industry is all implemented the utility model with the above shown in the by specification accompanying drawing swimmingly; But all those skilled in the art can utilize the disclosed above technology contents and a little change, the modification of making and the equivalent variations that develops within not breaking away from the technical solutions of the utility model scope, be equivalent embodiment of the present utility model; Simultaneously, the change of any equivalent variations that all foundations essence technology of the present utility model is done above embodiment, modify with differentiation etc., all still belong within the protection range of the technical solution of the utility model.
Claims (6)
1. the UTPT solar battery back film of a high-weatherability, comprise basic unit (1), it is characterized in that: the upper and lower surface of described basic unit (1) respectively is coated with high sticky end and is coated with liquid layer (2), be coated with liquid layer (2) in upper floor height sticky end and be laminated with chlorotrifluoroethylene dope layer (3), be coated with liquid layer (2) showering ethylene-vinyl acetate copolymer layer (4) in lower floor height sticky end.
2. the UTPT solar battery back film of high-weatherability according to claim 1, it is characterized in that: the thickness that described high sticky end is coated with liquid layer (2) is 0.01 micron to 2 microns.
3. the UTPT solar battery back film of high-weatherability according to claim 2, it is characterized in that: it is the maleic anhydride graft liquid layer that described high sticky end is coated with liquid layer (2).
4. according to claim 2 or the UTPT solar battery back film of 3 described high-weatherabilities, it is characterized in that: the thickness of described chlorotrifluoroethylene dope layer (3) is 10 microns to 50 microns.
5. the UTPT solar battery back film of high-weatherability according to claim 4 is characterized in that: described basic unit (1) is polyethylene terephtalate layer high temperature resistant, high insulation.
6. the UTPT solar battery back film of high-weatherability according to claim 5, it is characterized in that: described basic unit (1) thickness is 0.1 millimeter to 0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567077 CN202678350U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UTPT solar cell back film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567077 CN202678350U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UTPT solar cell back film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678350U true CN202678350U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567077 Expired - Fee Related CN202678350U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UTPT solar cell back film |
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| CN (1) | CN202678350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586658A (en) * | 2018-11-30 | 2019-04-05 | 西藏学伦科技有限公司 | Photovoltaic module based on slide-in type track |
-
2011
- 2011-12-30 CN CN 201120567077 patent/CN202678350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586658A (en) * | 2018-11-30 | 2019-04-05 | 西藏学伦科技有限公司 | Photovoltaic module based on slide-in type track |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chen town 516000 Guangdong city of Huizhou province Chen Village Baiyun road Zhongkai high tech Zone Patentee after: GUANGDONG SINPO NEW MATERIALS CO.,LTD. Address before: Chen town 516000 Guangdong city of Huizhou province Chen Village Baiyun road Zhongkai high tech Zone Patentee before: HUIZHOU SINPO NEW MATERIAL Co.,Ltd. Address after: Chen town 516000 Guangdong city of Huizhou province Chen Village Baiyun road Zhongkai high tech Zone Patentee after: HUIZHOU SINPO NEW MATERIAL Co.,Ltd. Address before: Chen town 516000 Guangdong city of Huizhou province Chen Village Baiyun road Zhongkai high tech Zone Patentee before: HUIZHOU SHENGPA PLASTIC FILM Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20191230 |