CN202384365U - Trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film - Google Patents
Trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film Download PDFInfo
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- CN202384365U CN202384365U CN 201120567206 CN201120567206U CN202384365U CN 202384365 U CN202384365 U CN 202384365U CN 201120567206 CN201120567206 CN 201120567206 CN 201120567206 U CN201120567206 U CN 201120567206U CN 202384365 U CN202384365 U CN 202384365U
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- vinyl chloride
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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
Abstract
The utility model discloses a trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film, which comprises a base layer. High-adhesion bottom coating liquid layers are sprayed on the upper surface and the lower surface of the base layer; a tetrafluorochloroethylene coating layer is coated on the high-adhesion bottom coating liquid layer on the upper surface of the base layer, so that the weather resistance can be increased, and the cost can be reduced; and a trifuorochloroethylene coating layer is coated on the high-adhesion bottom coating liquid layer on the lower surface of the base layer. The high-adhesive TPT solar cell back film has the advantages of high adhesive force, high weather resistance, chemical resistance, high electric insulation and high water repellency.
Description
Technical field
The utility model relates to solar cell, is specifically related to a kind of solar cell that is used for and has CTFE and tetrafluoro vinyl chloride combination TPT solar battery back film.
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 designs a kind of CTFE and tetrafluoro vinyl chloride combines the TPT solar battery back film; The upper and lower surfaces of described basic unit respectively is coated with high sticking primary coat liquid layer, is coated with tetrafluoro vinyl chloride dope layer at the sticking primary coat liquid layer of the height of basic unit's upper surface, can increase weatherability like this; Reduce cost, be coated with the CTFE dope layer at the sticking primary coat liquid 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: the thickness of described CTFE dope layer is 10 microns to 50 microns.
Preferred as the utility model: the thickness of described tetrafluoro vinyl chloride dope layer is 10 microns to 50 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.
When the utility model CTFE and tetrafluoro vinyl chloride combine the TPT solar battery back film to be laminated with the CTFE dope layer in PET basic unit, add the masking liquid that has been coated with one deck high viscosity in PET basic unit, and follow the surface of tetrafluoro vinyl chloride dope layer and CTFE dope layer to carry out plasma treatment basic unit; 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.It is to carry out lamination through the tetrafluoro vinyl chloride dope layer that is laminated with in regular turn, high sticking primary coat liquid layer, basic unit, high sticking primary coat liquid layer and CTFE dope layer to obtain that the utility model CTFE and tetrafluoro vinyl chloride combine the TPT solar battery back film; 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 that the utility model CTFE and tetrafluoro vinyl chloride combine the TPT solar battery back film.
Embodiment
To combine Figure of description to come the utility model is further described below:
Shown in accompanying drawing 1; Design a kind of CTFE and tetrafluoro vinyl chloride and combine the TPT solar battery back film; The upper and lower surfaces of described basic unit 1 respectively is coated with high sticking primary coat liquid layer 2; Be coated with tetrafluoro vinyl chloride dope layer 3 at the sticking primary coat liquid layer 2 of the height of basic unit's 1 upper surface, be coated with CTFE dope layer 4 at the sticking primary coat liquid layer 2 of the height of basic unit's 1 lower surface.Surface after described basic unit 1 and CTFE dope layer 4 and 3 oven dry of tetrafluoro vinyl chloride dope layer is through plasma treatment.Described fluorocarbon coating is by fluorocarbon resin, titanium white powder, aerosil.
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 CTFE dope layer 4 is 10 microns to 50 microns, and preferred thickness is 20 microns to 40 microns; The thickness of described tetrafluoro vinyl chloride dope layer 3 is 10 microns to 50 microns, and preferred thickness is 20 microns to 40 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 utility model CTFE and tetrafluoro vinyl chloride combine the TPT solar battery back film in the process of producing, and also relate to following processing technology:
(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, be coated with one deck CTFE dope layer 4 after the oven dry again; 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 CTFE dope layer 4 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 CTFE dope layer 4 are merged fully.
(3) same method carries out PET basic unit 1 another side is coated with tetrafluoro vinyl chloride dope layer 3 above the employing.
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 | 25 years | 25 years | More than 26 years |
| Caking ability to EVA | N/10mm | 30-50 | 30-50 | 50-90 |
| Moisture-vapor transmission | g/m.d | 1.9 | 2.3 | 0.5 below |
Can find out that through above contrast the UTPT 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 TPT 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 (7)
1. CTFE and tetrafluoro vinyl chloride combine the TPT solar battery back film; Comprise basic unit (1); It is characterized in that: the upper and lower surfaces of described basic unit (1) respectively is coated with high sticking primary coat liquid layer (2); Be coated with tetrafluoro vinyl chloride dope layer (3) at the sticking primary coat liquid layer (2) of the height of basic unit (1) upper surface, be coated with CTFE dope layer (4) at the sticking primary coat liquid layer (2) of the height of basic unit (1) lower surface.
2. CTFE according to claim 1 and tetrafluoro vinyl chloride combine the TPT solar battery back film, it 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. CTFE according to claim 2 and tetrafluoro vinyl chloride combine the TPT solar battery back film, it is characterized in that: the sticking primary coat liquid layer (2) of described height is the maleic anhydride graft liquid layer.
4. CTFE according to claim 3 and tetrafluoro vinyl chloride combine the TPT solar battery back film, and it is characterized in that: the thickness of described tetrafluoro vinyl chloride dope layer (3) is 10 microns to 50 microns.
5. CTFE according to claim 4 and tetrafluoro vinyl chloride combine the TPT solar battery back film, and it is characterized in that: the thickness of described CTFE dope layer (4) is 10 microns to 50 microns.
6. CTFE according to claim 5 and tetrafluoro vinyl chloride combine the TPT solar battery back film, it is characterized in that: described basic unit (1) is polyethylene terephtalate layer high temperature resistant, high insulation.
7. CTFE according to claim 6 and tetrafluoro vinyl chloride combine the TPT solar battery back film, and 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 201120567206 CN202384365U (en) | 2011-12-30 | 2011-12-30 | Trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567206 CN202384365U (en) | 2011-12-30 | 2011-12-30 | Trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384365U true CN202384365U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567206 Expired - Fee Related CN202384365U (en) | 2011-12-30 | 2011-12-30 | Trifuorochloroethylene and tetrafluorochloroethylene combined TPT solar cell back film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384365U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129158A (en) * | 2016-07-25 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of solar cell backboard with high insulating property |
| CN106129149A (en) * | 2016-07-25 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of solar energy backboard with the saturating property of low steam |
| CN106129164A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of high reflectance solar energy backboard |
-
2011
- 2011-12-30 CN CN 201120567206 patent/CN202384365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129158A (en) * | 2016-07-25 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of solar cell backboard with high insulating property |
| CN106129149A (en) * | 2016-07-25 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of solar energy backboard with the saturating property of low steam |
| CN106129164A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | A kind of high reflectance solar energy backboard |
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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. |
|
| CP03 | Change of name, title or address |
Address after: 516000 Guangdong city of Huizhou province Chen Chen Town Village of Baiyun District 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. |
|
| 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: 20120815 Termination date: 20191230 |