CN202384364U - High-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane - Google Patents
High-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane Download PDFInfo
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- CN202384364U CN202384364U CN 201120567145 CN201120567145U CN202384364U CN 202384364 U CN202384364 U CN 202384364U CN 201120567145 CN201120567145 CN 201120567145 CN 201120567145 U CN201120567145 U CN 201120567145U CN 202384364 U CN202384364 U CN 202384364U
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- upe
- weatherability
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- solar battery
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a high-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane which comprises a base layer; high-viscosity primer liquid layers are respectively coated on the upper surface and the lower surface of the base layer; a UV (Anti-ultraviolet) and oxide layer is sprayed on the high-viscosity primer liquid layer on the upper surface of the base layer; and an ethylene-vinyl acetate copolymer layer is sprayed on the high-viscosity primer liquid layer on the lower surface of the base layer. The high-weatherability UPE solar cell back membrane has the advantages of high cohesion, high weatherability, high chemical property, high electrical insulation and high water-proof performance.
Description
Technical field
The utility model relates to solar cell, is specifically related to a kind of solar battery back film that solar cell has the TPE of high viscosity that is used for.
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 effect of solar battery back film is the overall mechanical strength that improves solar panel, can prevent that in addition water vapor permeable from sealant, influencing the useful life of battery sheet.In order to improve the overall performance of notacoria, occur a large amount of notacorias that are directed against in the prior art and carry out improvement project.For example; Chinese patent number is that CN200820133536.0, publication number are that CN201199526, name are called a kind of solar battery back film; It is a seven-layer structure, comprises the silicon titanizing film forming layer that is laminated with in regular turn 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, and manufacture difficulty is bigger, and production cost is high; On the other hand, this scheme is firm inadequately with cooperating of other solar components, and adhesive force is not enough, the phenomenon of delamination can occur.
The utility model content
The deficiency that the utility model is intended to overcome 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 UPE solar battery back film of high-weatherability; Comprise basic unit; The upper and lower surfaces of described basic unit respectively has been laminated with high sticking primary coat liquid layer, in sticking primary coat liquid layer spraying UV uvioresistant of the height of basic unit's upper surface and oxide layer, in the sticking primary coat liquid layer showering ethylene-vinyl acetate copolymer layer of the height of basic unit's lower surface.
Preferred as the utility model: the thickness of the sticking primary coat liquid layer of described height is 0.01 micron to 2 microns.
Preferred as the utility model: the sticking primary coat liquid layer of described height is the maleic anhydride graft liquid layer.
Preferred as the utility model: described UV uvioresistant and thickness of oxide layer are 3 microns to 10 microns.
Preferred as the utility model: described basic unit is a polyethylene terephtalate layer high temperature resistant, high insulation.
Preferred as the utility model: described groundwork thickness is 0.1 millimeter to 0.5 millimeter.
The UPE solar battery back film of the utility model high-weatherability adds the masking liquid that has been coated with one deck high viscosity at PET basic unit and ethylene-vinyl acetate copolymer layer compound tense in PET basic unit, and plasma treatment is carried out on the surface of pet layer; Make that the adhesive property of the 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 UPT solar battery back film of the utility model high-weatherability is to carry out lamination through the ethylene-vinyl acetate copolymer layer that is laminated with in regular turn, high sticking primary coat liquid layer, basic unit, high sticking primary coat liquid layer, UV uvioresistant and oxide layer to 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 high advantages such as water proofing property.
Description of drawings
Accompanying drawing 1 is the structural representation of the UPE solar battery back film of the utility model high-weatherability.
Embodiment
To combine Figure of description to come the utility model is further described below:
Shown in accompanying drawing 1; Design a kind of UPE solar battery back film of high-weatherability; Comprise basic unit 1; The upper and lower surfaces of described basic unit 1 respectively has been laminated with high sticking primary coat liquid layer 2, in sticking primary coat liquid layer 2 spraying UV uvioresistant and the oxide layers 3 of the height of basic unit's 1 upper surface, in the sticking primary coat liquid layer 2 showering ethylene-vinyl acetate copolymer layer 4 of the height of basic unit's 1 lower surface.Surface after described basic unit 1 dries with ethylene-vinyl acetate copolymer layer 4 is through plasma treatment.
As shown in Figure 1, described basic unit 1 is a 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; The sticking primary coat liquid layer 2 of described height 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 UV uvioresistant and oxide layer 3 is 3 microns to 10 microns, and preferred thickness is 5 microns to 10 microns; The thickness of described ethylene-vinyl acetate copolymer layer 4 is 10 microns to 200 microns, and preferred thickness is 30 microns to 100 microns
In addition, the described basic unit 1 of the utility model also can adopt the PE material, forms the foaming layer of ultra-fine closed pore formula through ultra-fine sealing cellular type foam process, and the foam hole in the foaming layer here is an enclosed construction, and the tool foam hole is a hyperfine structure.Basic unit with this foam hole structure has holding power preferably, and in light weight, 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 the wherein 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.
The UPE 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 the high sticking primary coat liquid layer 2 of PET basic unit 1 coating again and increase adhesive force, the upper strata spraying uvioresistant UV layer 3 of oven dry back PET; The plasma treatment process that is adopted can be the plasma treatment process of comparative maturity in the prior art, also is corona treatment, and the temperature of high sticking primary coat liquid layer 2 oven dry is the 90-130 degree, 100 degrees centigrade of heated bakings of warp 5 seconds.
The uvioresistant UV layer 3 that (2) will be coated on PET basic unit 1 upper strata is dried and Electrostatic Treatment.Bake out temperature is 100 degrees centigrade of heated bakings 20 seconds, and PET basic unit 1 and uvioresistant UV layer 3 are merged fully.
(3) lower floor to PET basic unit 1 carries out showering ethylene-vinyl acetate copolymer layer 4, dries and Electrostatic Treatment.Bake out temperature is 110 degrees centigrade of heated bakings 10 seconds, and PET basic unit 1 and ethylene-vinyl acetate copolymer layer 4 are merged fully.
The utility model product is compared with external like product, and each association is following:
| Characteristic | Unit | Japanese product | U.S.'s product | The utility model product |
| The weatherability time | Year | 5 years | 5 years | More than 7 years |
| Caking ability to EVA | N/10mm | 20-40 | 20-40 | 60-160 |
| Moisture-vapor transmission | g/m.d | 5．2 | 5．8 | 5.2 below |
Can find out that through above contrast the UPE solar battery back film of the utility model high-weatherability obviously is superior to external like product on each item index, also be superior to the PE solar cell backboard of producing before our company simultaneously.
The above is merely the preferred embodiment of the utility model, is not 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 professional and technical personnel of being familiar with the above technology contents that is disclosed capable of using and a little change of making, modify the equivalent variations with differentiation in not breaking away from the utility model technical scheme scope, be the equivalent embodiment of the utility model; Simultaneously, all essence technology according to the utility model to the change of any equivalent variations that above embodiment did, modify with differentiation etc., all still belong within the protection range of technical scheme of the utility model.
Claims (6)
1. the UPE solar battery back film of a high-weatherability; Comprise basic unit (1); It is characterized in that: the upper and lower surfaces of described basic unit (1) respectively has been laminated with high sticking primary coat liquid layer (2); At sticking primary coat liquid layer (2) spraying UV uvioresistant of the height of basic unit (1) upper surface and anti oxidation layer (3), in sticking primary coat liquid layer (2) the showering ethylene-vinyl acetate copolymer layer (4) of the height of basic unit (1) lower surface.
2. the UPE solar battery back film of high-weatherability according to claim 1 is characterized in that: the thickness of the sticking primary coat liquid layer (2) of described height is 0.01 micron to 2 microns.
3. the UPE solar battery back film of high-weatherability according to claim 2 is characterized in that: the sticking primary coat liquid layer (2) of described height is the maleic anhydride graft liquid layer.
4. the UPE solar battery back film of high-weatherability according to claim 3, it is characterized in that: the thickness of described UV uvioresistant and oxide layer (3) is 3 microns to 10 microns.
5. the UPE 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 UPE 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 201120567145 CN202384364U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567145 CN202384364U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384364U true CN202384364U (en) | 2012-08-15 |
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ID=46632846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567145 Expired - Fee Related CN202384364U (en) | 2011-12-30 | 2011-12-30 | High-weatherability UPE (Ultra-high Molecular Weight Polyethylene) solar cell back membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384364U (en) |
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2011
- 2011-12-30 CN CN 201120567145 patent/CN202384364U/en not_active Expired - Fee Related
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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: 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. |
|
| CP02 | Change in the address of a patent holder |
Address after: 516000 Guangdong city of Huizhou province Chen Chen Town Village of Baiyun District 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 SINPO NEW MATERIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 516008 Guangdong city of Huizhou province Chen Chen Town Village of Baiyun District Patentee after: GUANGDONG SINPO NEW MATERIALS CO.,LTD. Address before: 516000 Guangdong city of Huizhou province Chen Chen Town Village of Baiyun District Patentee before: HUIZHOU SINPO NEW MATERIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20191230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |