CN103187469A - Polyolefin modified solar battery backplane and processing process thereof - Google Patents
Polyolefin modified solar battery backplane and processing process thereof Download PDFInfo
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- CN103187469A CN103187469A CN2011104545225A CN201110454522A CN103187469A CN 103187469 A CN103187469 A CN 103187469A CN 2011104545225 A CN2011104545225 A CN 2011104545225A CN 201110454522 A CN201110454522 A CN 201110454522A CN 103187469 A CN103187469 A CN 103187469A
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- heat ageing
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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
A polyolefin modified solar battery backplane comprises one hygrothermal-aging-resistant layer, a base layer and the other hygrothermal-aging-resistant layer. The base layer is made of hygrothermal-aging-resistant polyethylene terephthalate (PET) formed through blending modification. The range of the thickness of the base layer is 50-350 micrometers. The hygrothermal-aging-resistant layers are made of polyolefin materials formed by filling modification. The range of the thickness of each hygrothermal-aging-resistant layer is 10-250 micrometers. The polyolefin modified solar battery backplane has the advantages of being hygrothermal-aging-resistant, tear-resistant, hydrolysis-resistant, weather-proof, impact-resistant, stable in size and easy to process, and having a function of electrical insulation.
Description
Technical field
The present invention relates to solar cell backboard field, particularly a kind of polyolefin modified solar cell backboard.The processing technology that also relates to a kind of this solar cell backboard simultaneously.
Background technology
The solar cell backboard is the indispensable part of solar cell, and backboard is the protective material of cell backside, be used for to support, fixing solar cell, and plays the effect of protecting solar module.Because battery back-sheet is positioned at the outermost layer at the back side of solar module, embrittlement easily can not effectively protect solar module to use for a long time in long-term open air use.Thereby, require backboard to have good anti-environmental attack ability, have wet and heat ageing resistant, high-low temperature resistant, hydrolytic resistance, decay resistance, and continue to resist light-struck ability.
CN101177514A discloses a kind of solar cell backboard and preparation method thereof, and this backboard comprises base material and fluoropolymer layer, and each component of fluoropolymer layer is counted by weight: fluorine resin 25-45 part; Modified resin 1.5-3 part; Polymer filler 0.5-3 part; Inorganic filler 0.1-1 part; Solvent 50-70 part.CN101097967A discloses a kind of compound film for solar battery rear board and preparation method thereof.Described compound film for solar battery rear board is composited by following trilaminate material: the pvf film that 0.035-0.045mm is thick; 0.18-0.30mm thick PET film; 0.025-0.035mm thick EVA coating.The solar cell backboard material of above-mentioned publication has adopted the fluorine material, has following shortcoming: fluorine material surface energy height, and surperficial hydrophobic, adhesive property is poor, makes that the adhesive force between each layer of solar cell backboard is low; The fluorine material is as backsheet layer, processing difficulties, complex manufacturing.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art; a kind of wet and heat ageing resistant that has is provided; tear-resistant; hydrolysis, weather, shock-resistant, electric insulation; dimensionally stable; easily the polyolefin modified solar cell backboard of processing is conducive to protect solar module, prolongs the useful life of solar cell.
Another technical problem to be solved by this invention is to provide a kind of processing technology of polyolefin modified solar cell backboard, and this technological method for processing is simple and convenient.
Main technical schemes according to a kind of polyolefin modified solar cell backboard provided by the invention is: described backboard comprises wet and heat ageing resistant layer, basic unit, wet and heat ageing resistant layer.
A kind of polyolefin modified solar cell backboard provided by the invention also adopts following attached technical scheme:
The PET with wet and heat ageing resistant of described basic unit for forming through blending and modifying.
The thickness range of described basic unit is: 50-350 microns.
Described wet and heat ageing resistant layer is the polyolefine material by filling-modified formation.
The thickness range of described wet and heat ageing resistant layer is: 10-250 microns.
The present invention also provides a kind of processing technology of polyolefin modified solar cell backboard, mainly may further comprise the steps:
(1) adopts blending and modifying to handle to the PET of basic unit and PP, form the basic unit with wet and heat ageing resistant;
(2) substrate surface is carried out plasma treatment;
(3) vistanex and mica powder are adopted filling-modified processing after surface treatments such as coupling agent, form the vistanex of modification;
(4) at the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification;
(5) vistanex forms the wet and heat ageing resistant layer through normal temperature cure;
(6) the wet and heat ageing resistant laminar surface carries out plasma treatment.
According to a kind of polyolefin modified solar cell backboard provided by the invention and processing technology thereof, have outstanding advantage:
(1) basic unit of the present invention is the pet layer that PET and PP blending and modifying form, and basic unit is carried out plasma treatment, makes basic unit have wet and heat ageing resistant, and is tear-resistant, hydrolysis, electric insulation, dimensionally stable, the easily outstanding feature of processing.At the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification, and through normal temperature cure formation wet and heat ageing resistant layer, thereby further guaranteed the wet and heat ageing resistant performance of backsheet layer, and had weather, shock-resistant simultaneously, anti-ultraviolet characteristics.
(2) caking property of each layer of battery back-sheet by processing technology of the present invention preparation is good, and this technology can realize serialization production, has improved production efficiency, has reduced cost.
(3) backboard of the present invention fluorine material not, safety and environmental protection, with low cost, avoid the difficult bonding of fluorine material and caused the low drawback of adhesive force between each layer of solar cell backboard, thereby improved the reliability of solar cell backboard.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Embodiment:
Referring to Fig. 1, the embodiment of a kind of polyolefin modified solar cell backboard that the present invention provides, comprise the basic unit 1 that forms through PET and PP blending and modifying, and be formed on described basic unit 1 surface through formed wet and heat ageing resistant layer 2 after casting polyolefine resin and the normal temperature cure.Basic unit 1 of the present invention is that wherein, PET is PETG through the basic unit of PET and the formation of PP blending and modifying, PP is polypropylene, by both are carried out blending and modifying, can overcome the inferior position of two kinds of materials self, further optimize its performance, adopt the PET that obtains behind the blending and modifying as basic unit, have wet and heat ageing resistant, tear-resistant, hydrolysis, electric insulation, dimensionally stable, the easy outstanding feature of processing can fully satisfy the demand of solar cell backboard.The present invention is formed wet and heat ageing resistant layer 2 after basic unit is provided with through casting polyolefine resin and normal temperature cure, wherein, described vistanex is by adding the inorganic filler mica powder and obtaining through surface treatments such as coupling agents, this wet and heat ageing resistant layer 2 has wet and heat ageing resistant, weather, shock-resistant, performances such as uvioresistant.
In above-described embodiment that the present invention provides, the thickness of described basic unit 1 is the 50-350 micron, and preferably scheme is the 70-250 micron, concrete numerical value can be elected 50 microns as, and 70 microns, 100 microns, 150 microns, 200 microns, 250 microns, 300 microns, 350 microns, select the basic unit 1 of above-mentioned thickness can make backboard have higher intensity, simultaneously, also be conducive to process the raising with overall performance.
In above-described embodiment that the present invention provides, the thickness of described wet and heat ageing resistant layer 2 is the 10-250 micron, and preferably scheme is the 30-200 micron, concrete numerical value can be elected 10 microns as, 30 microns, 50 microns, 100 microns, 150 microns, 200 microns, 250 microns, select the wet and heat ageing resistant layer 2 of above-mentioned thickness can satisfy close-burning demand better, simultaneously, also be conducive to the processing of wet and heat ageing resistant layer.
The processing technology of a kind of polyolefin modified solar cell backboard of preparation above-described embodiment that the present invention provides mainly may further comprise the steps:
(1) adopts blending and modifying to handle to the PET of basic unit and PP, form the basic unit with wet and heat ageing resistant;
(2) substrate surface is carried out plasma treatment;
(3) vistanex and mica powder are adopted filling-modified processing after surface treatments such as coupling agent, form the vistanex of modification;
(4) at the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification;
(5) vistanex forms the wet and heat ageing resistant layer through normal temperature cure;
(6) the wet and heat ageing resistant laminar surface carries out plasma treatment.
Above-mentioned technology of the present invention is fairly simple, can realize serialization production, has improved production efficiency, has reduced the production cost of this backboard, is beneficial to marketing.
Claims (6)
1. polyolefin modified solar cell backboard, it is characterized in that: described backboard comprises wet and heat ageing resistant layer, basic unit, wet and heat ageing resistant layer.
2. polyolefin modified solar cell backboard according to claim 1 is characterized in that: the PET with wet and heat ageing resistant of described basic unit for forming through blending and modifying.
3. polyolefin modified solar cell backboard according to claim 1, it is characterized in that: the thickness range of described basic unit is: 50-350 microns.
4. polyolefin modified solar cell backboard according to claim 1 is characterized in that: described wet and heat ageing resistant layer is the polyolefine material by filling-modified formation.
5. polyolefin modified solar cell backboard according to claim 1, it is characterized in that: the thickness range of described wet and heat ageing resistant layer is: 10-250 microns.
6. the processing technology of a polyolefin modified solar cell backboard is characterized in that: mainly may further comprise the steps:
(1) adopts blending and modifying to handle to the PET of basic unit and PP, form the basic unit with wet and heat ageing resistant;
(2) substrate surface is carried out plasma treatment;
(3) vistanex and mica powder are adopted filling-modified processing after surface treatments such as coupling agent, form the vistanex of modification;
(4) at the vistanex of the substrate surface curtain coating of crossing through plasma treatment through modification;
(5) vistanex forms the wet and heat ageing resistant layer through normal temperature cure;
(6) the wet and heat ageing resistant laminar surface carries out plasma treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454522.5A CN103187469B (en) | 2011-12-30 | 2011-12-30 | A kind of polyolefin modified solar cell backboard and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110454522.5A CN103187469B (en) | 2011-12-30 | 2011-12-30 | A kind of polyolefin modified solar cell backboard and processing technology thereof |
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| CN103187469A true CN103187469A (en) | 2013-07-03 |
| CN103187469B CN103187469B (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949490A (en) * | 2016-05-12 | 2016-09-21 | 株洲时代新材料科技股份有限公司 | Surface treating method for ultra-high molecular weight polyethylene skeleton material for rubber damping products and application |
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| CN201523013U (en) * | 2009-10-13 | 2010-07-07 | 常熟市冠日新材料有限公司 | Composite film for back plate of solar energy photovoltaic battery |
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| CN102110728A (en) * | 2010-08-11 | 2011-06-29 | 宁波长阳科技有限公司 | Backing film of solar battery and preparation method thereof |
| CN102157591A (en) * | 2011-01-11 | 2011-08-17 | 山东东岳高分子材料有限公司 | Back panel of solar cell and preparation method thereof |
| CN102157589A (en) * | 2010-11-26 | 2011-08-17 | 诸暨市枫华塑胶科技有限公司 | High-efficiency solar cell back film and preparation method thereof |
| WO2011151969A1 (en) * | 2010-06-03 | 2011-12-08 | 株式会社カネカ | Solar-cell backsheet and solar-cell module |
| CN202423336U (en) * | 2011-12-30 | 2012-09-05 | 苏州中来光伏新材股份有限公司 | Polyolefin modified solar cell backplane |
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2011
- 2011-12-30 CN CN201110454522.5A patent/CN103187469B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101615636A (en) * | 2009-07-17 | 2009-12-30 | 上海海优威电子技术有限公司 | Reduce the four-layer structure back board of solar cell of adhesive linkage |
| CN201523013U (en) * | 2009-10-13 | 2010-07-07 | 常熟市冠日新材料有限公司 | Composite film for back plate of solar energy photovoltaic battery |
| WO2011151969A1 (en) * | 2010-06-03 | 2011-12-08 | 株式会社カネカ | Solar-cell backsheet and solar-cell module |
| CN102110728A (en) * | 2010-08-11 | 2011-06-29 | 宁波长阳科技有限公司 | Backing film of solar battery and preparation method thereof |
| CN101928425A (en) * | 2010-09-02 | 2010-12-29 | 苏州赛伍应用技术有限公司 | Resin composition and solar batter component containing the same |
| CN102157589A (en) * | 2010-11-26 | 2011-08-17 | 诸暨市枫华塑胶科技有限公司 | High-efficiency solar cell back film and preparation method thereof |
| CN102157591A (en) * | 2011-01-11 | 2011-08-17 | 山东东岳高分子材料有限公司 | Back panel of solar cell and preparation method thereof |
| CN202423336U (en) * | 2011-12-30 | 2012-09-05 | 苏州中来光伏新材股份有限公司 | Polyolefin modified solar cell backplane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949490A (en) * | 2016-05-12 | 2016-09-21 | 株洲时代新材料科技股份有限公司 | Surface treating method for ultra-high molecular weight polyethylene skeleton material for rubber damping products and application |
| CN105949490B (en) * | 2016-05-12 | 2019-04-23 | 株洲时代新材料科技股份有限公司 | The surface treatment method of ultra-high molecular weight polyethylene framework material for rubber damping product and application |
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| CN103187469B (en) | 2016-02-03 |
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Effective date of registration: 20220624 Address after: 215500 Building 1, No. 32, Qingnian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Zhonglai New Material Technology Co.,Ltd. Address before: 215542 Qingnian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: Jolywood (Suzhou) Sunwatt Co.,Ltd. |