CN103646980A - Back film having ultraviolet conversion function - Google Patents
Back film having ultraviolet conversion function Download PDFInfo
- Publication number
- CN103646980A CN103646980A CN201310722999.6A CN201310722999A CN103646980A CN 103646980 A CN103646980 A CN 103646980A CN 201310722999 A CN201310722999 A CN 201310722999A CN 103646980 A CN103646980 A CN 103646980A
- Authority
- CN
- China
- Prior art keywords
- ultraviolet
- layer
- notacoria
- film
- translation function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 10
- 229920002521 macromolecule Polymers 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011858 nanopowder Substances 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 27
- 239000000758 substrate Substances 0.000 abstract description 6
- 239000012790 adhesive layer Substances 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 abstract 1
- 230000004224 protection Effects 0.000 description 3
- 230000006750 UV protection Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention provides a back film having an ultraviolet conversion function. The back film having the ultraviolet conversion function comprises a waterproofness sheet substrate and a weatherproof layer; particularly the back film having the ultraviolet conversion function also comprises an easy-to-bind ultraviolet-proof layer which is formed on one side of the substrate and a macromolecule adhesive layer which is formed between the other side of the substrate and the weatherproof layer; the macromolecule adhesive layer is used for binding the substrate and the weatherproof layer. According to the back film having the ultraviolet conversion function, ultraviolet light (315 to 380 nm) incident to the ultraviolet-proof layer can be converted into long-waveband light (400 to 1100 nm), meanwhile the substrate is protected, lamination quantity of a photovoltaic cell is improved, and accordingly the power of a photovoltaic assembly is improved.
Description
Technical field
The invention belongs to solar components technical field, particularly relate to a kind of solar energy back film with ultraviolet translation function.
Background technology
Solar energy back film is about 8% at the shared cost of solar components, but most important to the reliability of solar components, power output.The Main Function of sun notacoria is protection solar battery sheet, prevents steam, the erosion of ultraviolet light to solar battery sheet, thereby solar energy back film must have good wet and heat ageing resistant, ultraviolet aging resistance, the performance such as corrosion-resistant, high temperature resistant.
Present main flow solar energy back film is formed by fluorine-contained film, PET basic unit and EVA or PE film trilamellar membrane Material cladding.This type of notacoria has following shortcoming: the EVA/PE film of notacoria is easy xanthochromia, cracking, the low cell power generation efficiency that affects of reflecting rate under ultraviolet light, and assembly is reprocessed difficulty etc.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art; the invention provides a kind of solar energy back film; it has the light that ultraviolet light (315-380nm) is converted to 400-1100nm; the light of the 400-1100nm of conversion is carried out to diffuse reflection in protection substrate layer to increase the quantity of illumination of solar battery sheet unit are; improve the generating efficiency of solar module, and cost is lower.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of notacoria with ultraviolet translation function, comprise basic unit, weathering layer, it is characterized in that, this notacoria also comprises the ultraviolet conversion layer that on the lower surface that is formed on described basic unit, the ultraviolet light of the 315-380nm in sunlight is converted to the light of 400-1100nm, and be formed between described basic unit and described weathering layer, for the macromolecule glue adhensive layer of bond basic unit and weathering layer.
Preferably, described basic unit is the mixture basic unit of a kind of in PEN, PET, PBT, PA or at least two kinds, and its thickness is 10-800 μ m.
Preferably, described weathering layer consists of pvdf membrane, PVF film, ETFE film, FEVE film, PA film, pen film, PBT film or high weather-proof PET film.
Preferably, described weathering layer thickness is 5-200 μ m.
Preferably, at least one in acrylic resin, polyurethane, epoxy resin, polytetrafluoroethylene, polytrifluorochloroethylene or silicon rubber of described ultraviolet layer add in the nano-powders such as nano-calcium carbonate, nano titanium oxide, nano zine oxide, nano tin dioxide at least one form.
Preferably, the outer field thickness of described purple is 1-40 μ m.
Preferably, described macromolecule glue adhensive layer is comprised of acrylic resin adhesive, epoxy resin adhesive or adhesive for polyurethane.
Preferably, the thickness of described macromolecule glue adhensive layer is 1-40 μ m.
Invention advantage:
Solar energy back film of the present invention is four-layer structure; in Qi basic unit, be coated with and the ultraviolet light of the 315-380nm in sunlight can be converted to the ultraviolet layer of the light of 400-1100nm; when having protected base material; improved the generating efficiency of photovoltaic module; and make photovoltaic module be easy to reprocess, make the life-span of solar components meet or exceed 25 years.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with the notacoria of ultraviolet translation function;
Wherein: 1, be basic unit; 2, weather-proof rete; 3, ultraviolet layer; 4, macromolecule glue adhensive layer.
Embodiment
Embodiment 1:
Referring to Fig. 1, a kind of notacoria with ultraviolet translation function is four-layer structure, comprise and be followed successively by weathering layer 2, macromolecule glue adhensive layer 4, basic unit 1 and ultraviolet layer 3 from top to bottom, wherein between weathering layer 2 and basic unit 1, by macromolecule glue adhensive layer 4, bond, ultraviolet layer 3 is the lower surfaces that are directly coated in basic unit 1.
In this example, 1 WeiPET basic unit of basic unit, its thickness can be 10-800 μ m, and preferred thickness is 150-350 μ m, and concrete thickness is 150 μ m, 200 μ m, 250 μ m, 275 μ m, 300 μ m, 350 μ m etc.
In this example, weather-proof rete 2 is etfe film, and this rete also can be selected PVF film, can be PVDF film, also can select weather-proof PET film.The thickness of weather-proof rete is 5-200 μ m, and preferred thickness is 10-40 μ m, and concrete thickness can be 10 μ m, 20 μ m, 25 μ m, 30 μ m, 35 μ m, 40 μ m etc.
In this example, weathering resistance coatings 3, for having added the acrylic resin rete of nano zine oxide, also can be chosen as polyurethane rete; The thickness of weathering resistance coatings 3 can be 1-40 μ m, and preferred thickness is 2-10 μ m, and concrete thickness is 2 μ m, 4 μ m, 5 μ m, 7 μ m, 9 μ m, 10 μ m etc.
In this example, macromolecule gluing agent 4 is formed by acrylic resin, and it can select adhesive for polyurethane.The thickness of adhesive layer 4 is 1-40 μ m, and preferred thickness is 2-10 μ m, and its concrete thickness can be 4 μ m, 8 μ m, 10 μ m etc.
The above-mentioned notacoria with ultraviolet translation function to the transfer ratio of ultraviolet light be 80%, the reflectivity of light is 93% within the scope of 400-1100nm, can make the conversion efficiency of photovoltaic module improve 1.5%; Excellent ultra-violet resistance (with EVA laminate surface UV120KW, △ b=1.5), reprocesses noresidue.And the light reflectance of traditional solar energy back film only has 78% left and right, ultra-violet resistance poor (with EVA laminate surface UV120KW, △ b=12) and difficulty are reprocessed.
To sum up, the notacoria with ultraviolet translation function of the present invention has good ultraviolet light conversion performance, and high reflectance can promote significantly the power of photovoltaic module, and easily reprocess, and has lower production cost.
It is to be noted; as described above is only in order to explain the present invention's preferred embodiment; not attempt is done any formal restriction to the present invention according to this; be with; all any modification or changes that has the relevant the present invention that does under identical invention spirit, all must be included in the category that the invention is intended to protection.
Claims (8)
1. a notacoria with ultraviolet translation function, comprise basic unit (1), weathering layer (2), it is characterized in that, this notacoria also comprises the ultraviolet conversion layer (3) of the light that on the lower surface that is formed on described basic unit (1), the ultraviolet light of the 315-380nm in sunlight is converted to 400-1100nm, and be formed between described basic unit (1) and described weathering layer (2), for the macromolecule glue adhensive layer (4) of the basic unit that bonds (1) and weathering layer (2).
2. the notacoria with ultraviolet translation function according to claim 1, is characterized in that, described basic unit (1) is the mixture basic unit of a kind of in PEN, PET, PBT, PA or at least two kinds, and its thickness is 10-800 μ m.
3. the notacoria with ultraviolet translation function according to claim 1 and 2, is characterized in that, described weathering layer (2) consists of pvdf membrane, PVF film, ETFE film, FEVE film, PA film, pen film, PBT film or high weather-proof PET film.
4. according to the notacoria with ultraviolet translation function described in right 3, it is characterized in that, described weathering layer thickness is 5-200 μ m.
5. a kind of notacoria with ultraviolet translation function according to claim 1 and 2, it is characterized in that, at least one in acrylic resin, polyurethane, epoxy resin, polytetrafluoroethylene, polytrifluorochloroethylene or silicon rubber of described ultraviolet layer (3) add in the nano-powders such as nano-calcium carbonate, nano titanium oxide, nano zine oxide, nano tin dioxide at least one form.
6. the notacoria with ultraviolet translation function according to claim 5, is characterized in that, the thickness of described ultraviolet layer (4) is 1-40 μ m.
7. the notacoria with ultraviolet translation function according to claim 1 and 2, is characterized in that, described macromolecule glue adhensive layer (4) is comprised of acrylic resin adhesive, epoxy resin adhesive or adhesive for polyurethane.
8. the notacoria with ultraviolet translation function according to claim 7, is characterized in that, the thickness of described macromolecule glue adhensive layer (4) is 1-40 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722999.6A CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722999.6A CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103646980A true CN103646980A (en) | 2014-03-19 |
| CN103646980B CN103646980B (en) | 2016-02-17 |
Family
ID=50252172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310722999.6A Expired - Fee Related CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103646980B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882502A (en) * | 2015-05-15 | 2015-09-02 | 苏州市亘晟涂装工程有限公司 | Solar battery |
| CN106024950A (en) * | 2016-07-26 | 2016-10-12 | 无锡中洁能源技术有限公司 | Solar cell backboard with high adhesion rate |
| CN107393987A (en) * | 2016-05-11 | 2017-11-24 | 张家港康得新光电材料有限公司 | Encapsulating material and photoelectric device |
| CN109486173A (en) * | 2018-11-28 | 2019-03-19 | 沛县国源光伏电力有限公司 | A kind of anti-aging plastic cement of solar panel |
| CN109705767B (en) * | 2018-12-29 | 2021-06-04 | 苏州度辰新材料有限公司 | Structural white packaging adhesive film for solar cell module |
| CN115274897A (en) * | 2022-07-18 | 2022-11-01 | 江苏中来新材科技有限公司 | High-reflection light conversion photovoltaic backboard and double-sided photovoltaic assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001007377A (en) * | 1999-06-23 | 2001-01-12 | Toshiro Maruyama | Solar cell module having film of fluorescent substance formed on light receiving face |
| CN102683467A (en) * | 2012-05-15 | 2012-09-19 | 中国科学院半导体研究所 | Solar battery module |
| CN203932085U (en) * | 2013-12-24 | 2014-11-05 | 江苏金瑞晨新材料有限公司 | A kind of notacoria with ultraviolet translation function |
-
2013
- 2013-12-24 CN CN201310722999.6A patent/CN103646980B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001007377A (en) * | 1999-06-23 | 2001-01-12 | Toshiro Maruyama | Solar cell module having film of fluorescent substance formed on light receiving face |
| CN102683467A (en) * | 2012-05-15 | 2012-09-19 | 中国科学院半导体研究所 | Solar battery module |
| CN203932085U (en) * | 2013-12-24 | 2014-11-05 | 江苏金瑞晨新材料有限公司 | A kind of notacoria with ultraviolet translation function |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882502A (en) * | 2015-05-15 | 2015-09-02 | 苏州市亘晟涂装工程有限公司 | Solar battery |
| CN107393987A (en) * | 2016-05-11 | 2017-11-24 | 张家港康得新光电材料有限公司 | Encapsulating material and photoelectric device |
| CN106024950A (en) * | 2016-07-26 | 2016-10-12 | 无锡中洁能源技术有限公司 | Solar cell backboard with high adhesion rate |
| CN109486173A (en) * | 2018-11-28 | 2019-03-19 | 沛县国源光伏电力有限公司 | A kind of anti-aging plastic cement of solar panel |
| CN109705767B (en) * | 2018-12-29 | 2021-06-04 | 苏州度辰新材料有限公司 | Structural white packaging adhesive film for solar cell module |
| CN115274897A (en) * | 2022-07-18 | 2022-11-01 | 江苏中来新材科技有限公司 | High-reflection light conversion photovoltaic backboard and double-sided photovoltaic assembly |
| CN115274897B (en) * | 2022-07-18 | 2023-06-06 | 江苏中来新材科技有限公司 | A highly reflective light-converting photovoltaic backsheet and double-sided photovoltaic modules |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103646980B (en) | 2016-02-17 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160217 Termination date: 20201224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |