CN102315285A - Weather-resistant coating and solar back plate using same - Google Patents
Weather-resistant coating and solar back plate using same Download PDFInfo
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- CN102315285A CN102315285A CN201110262064A CN201110262064A CN102315285A CN 102315285 A CN102315285 A CN 102315285A CN 201110262064 A CN201110262064 A CN 201110262064A CN 201110262064 A CN201110262064 A CN 201110262064A CN 102315285 A CN102315285 A CN 102315285A
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- weather resistant
- resistant coatings
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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 invention discloses a weather-resistant coating and a solar back plate using the same. The coating comprises the following components calculated according to weight part: 30-90 parts of weather-resistant resin, 1-5 parts of curing agent, 0.1-5 parts of organic filler, 5-60 parts of inorganic filler and 50-100 parts of solvent. The solar back plate is characterized by comprising an insulated base layer, wherein a weather-resistant coating is arranged on at least one surface of the insulating base layer. The invention aims at overcoming the defects in the prior art and provides the weather-resistant coating which can be directly coated on the insulating substrate and has excellent binding power and weather resistance meeting the requirement of service life with more than 25 years of the solar module; and the invention also has another aim of providing the solar back plate manufactured by adopting the weather-resistant coating.
Description
Technical field
The present invention relates to a kind of weather resistant coatings, the invention still further relates to a kind of solar energy backboard that uses this weather resistant coatings to make.
Background technology
Make the green replacement scheme of power tradition production method of electric energy, photovoltaic cell component is used to utilize sunlight to produce electric energy.Photovoltaic cell component is to be assembled by various semiconductor module systems, thereby must protect to alleviate the effect of bad border like moisture, oxygen and ultraviolet shadow noon and destruction.What photovoltaic cell component adopted usually is the structure that lamination attaches glass or plastic film protective layer in the silicon chip both sides.The plastic film protective layer is the composite material that insulation film and weatherability film or weather resistant coatings are composited, and is also referred to as the solar energy backboard.
The traditional back-panel mode of production is manufacturing is good in advance fluoropolymer film, PE film, EVA film to be posted gathering on the vinegar PET base material; Be typically attaching fluoropolymer film and form " sandwich " structure in the PET both sides; Or attaching fluoropolymer film in PET one side, a side attaches PE film or EVA film and forms " sandwich " structure.The backboard that traditional handicraft is produced, if fluoropolymer film is all used on both sides, adhesive layer all need be used in both sides; Processing technology is complicated; Then cost is too high, is unfavorable for that solar power generation promotes in the commercial market, and fluoropolymer film and module packaging adhesive film EVA applying intensity are less; If a side attaches fluoropolymer film, a side attaches PE film or EVA film, and adhesive layer all need be used in both sides; Processing technology is complicated; Then cost is too high, and PE film or EVA film loss of properties on aging, the requirement in useful life of can not satisfying solar modules more than 25 years.
Summary of the invention
The objective of the invention is in order to overcome weak point of the prior art, providing a kind of can directly coat on the insulating substrate, and cohesive force is outstanding, and weatherability satisfies the solar modules weather resistant coatings that require service life more than 25 years;
Another object of the present invention provides a kind of solar energy backboard that adopts above-mentioned weather resistant coatings to make.
In order to achieve the above object, the present invention adopts following scheme:
A kind of weather resistant coatings is characterized in that being made up of the component of following weight portion:
Aforesaid a kind of weather resistant coatings is characterized in that described weatherability resin is one or more the mixture in epoxy resin, amino resins, acrylic resin, mylar, polyurethane resin, the fluorocarbon resin.
Aforesaid a kind of weather resistant coatings is characterized in that described curing agent is one or more the mixture in amine curing agent, anhydride curing agent, the isocyanates.
Aforesaid a kind of weather resistant coatings is characterized in that described organic filler is one or more the mixture in ultraviolet absorber, age resister, the anti-hydrolysis stabilizer.
Wherein said ultraviolet absorber is one or both in 2-hydroxyl-4-methoxy benzophenone or the hydroxy phenyl s-triazine;
Described age resister is polynary hindered phenol;
Described anti-hydrolysis stabilizer is a carbodiimides.
Aforesaid a kind of weather resistant coatings is characterized in that described inorganic filler is one or more the mixture in calcium carbonate, micarex, talcum powder, titanium white powder, silicon dioxide, aluminium oxide, magnesia, the barium sulfate.
Aforesaid a kind of weather resistant coatings, it is characterized in that described solvent acetone, butanone, benzene, toluene, ethyl acetate, ethyl butyrate, in one or more mixture.
A kind of solar energy backboard that uses aforesaid weather resistant coatings to make of the present invention is characterized in that described solar energy backboard comprises insulated substrate, is provided with weather resistant coatings on the one side at least in described insulated substrate.
Aforesaid solar energy backboard is characterized in that on the one side of described insulated substrate, being provided with weather resistant coatings, on described insulated substrate another side, is provided with fluoropolymer film, between described insulated substrate and fluoropolymer film, is provided with the gluing layer.
Aforesaid solar energy backboard is characterized in that described insulated substrate is polyamide, polymethyl methacrylate, PETG, polybutylene terephthalate, gathers one or more the blended product in the dioctyl phthalate glycol ester how.
Aforesaid solar energy backboard is characterized in that described weather resistant coatings thickness is 5～100um.
The weatherability resin can be Japanese Japan weaving GK360 among the present invention; Described curing agent can be Bayer N3390; Described organic filler can be CIBA TINUVIN 5151; Described inorganic filler can be a zinc oxide U.S. gram chemistry.
Description of drawings
Fig. 1 is the structural representation of first kind of execution mode of solar energy backboard among the present invention;
Fig. 2 is the structural representation of second kind of execution mode of solar energy backboard among the present invention;
Fig. 3 is the structural representation of solar energy backboard in the Comparative Examples.
Embodiment
Below in conjunction with embodiment the present invention is done and to further describe:
Weather resistant coatings of the present invention, form by the component of following weight portion:
Weather resistant coatings of the present invention, form by the component of following weight portion:
Weather resistant coatings of the present invention, form by the component of following weight portion:
Weather resistant coatings of the present invention, form by the component of following weight portion:
Weather resistant coatings of the present invention, form by the component of following weight portion:
Embodiment 6
Weather resistant coatings of the present invention, form by the component of following weight portion:
Embodiment 7
Weather resistant coatings of the present invention, form by the component of following weight portion:
Embodiment 8
Weather resistant coatings of the present invention, form by the component of following weight portion:
Embodiment 9
Solar energy backboard of the present invention comprises insulated substrate 1, on described insulated substrate 1 two sides, is equipped with weather resistant coatings 2.
Solar energy backboard of the present invention as insulated substrate 1, wherein one side on respectively is coated with weather resistant coatings 2 at described insulation PET film with the high-grade insulation of 250um PET film during fabrication; 100 ℃ of bakings 2-10 minute; Obtain the thick weather resistant coatings of 25um, then at PET film another side coating weather resistant coatings 2,100 ℃ of bakings 2-10 minute; Obtain the thick weather resistant coatings of 25um, make structure solar energy backboard as shown in Figure 1.
Embodiment 10
Solar energy backboard of the present invention; Comprise insulated substrate 1; On the one side of described insulated substrate 1, be provided with weather resistant coatings 2, on described insulated substrate 1 another side, be provided with fluoropolymer film 3, between described insulated substrate 1 and fluoropolymer film 3, be provided with gluing layer 4.
When solar energy backboard of the present invention is made, as insulated substrate 1, on described insulated substrate 1 one side, be coated with weather resistant coatings with the high-grade insulation of 250um PET film; 100 ℃ of bakings 2-10 minute; Obtain the thick weather resistant coatings of 25um, then at PET film another side coating adhesive, 100 ℃ of bakings 2-10 minute; The fluoropolymer film of fitting again makes the described solar energy backboard of structure such as Fig. 2.
Comparative Examples 1
Solar energy backboard in this Comparative Examples, its structure are that both sides evenly apply adhesive 4 in insulating properties basic unit 1, the fluoropolymer film 3 of fitting then.
During manufacturing, as insulated substrate 1, be coated with adhesive with the high-grade insulation of 250um PET film; 100 ℃ of bakings 2-10 minute; The fluoropolymer film 3 of fitting again is then at PET film another side coating adhesive, 100 ℃ of bakings 2-10 minute; The PE film 5 of fitting again makes the described solar energy backboard of structure such as Fig. 3.
Following table is the The performance test results such as the following table of embodiment 9, embodiment 10, Comparative Examples 1:
Xanthochromia index Δ b*: with the colourity b* value of colorimeter testing backboard before and after 50KWh/ square metre of processing of 85 ℃ of * 85%RH*1500 hours and UVA irradiation, both differences are Δ b*.
Light reflectivity: with the reflectivity of spectrophotometer testing backboard in visible wavelength range.
Can know that from each item test result backboard of the present invention has excellent weather resistance, and light reflectivity being high, can increasing the power of solar module, is the selection of the excellence of rear surface of solar cell protective material.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope that the present invention disclosed; The variation that can expect without creativeness or substitute; All should be encompassed in protection scope of the present invention, therefore, the present invention should be as the criterion with the protection range that claims was limited.
Claims (10)
1. weather resistant coatings is characterized in that being made up of the component of following weight portion:
2. a kind of weather resistant coatings according to claim 1 is characterized in that described weatherability resin is one or more the mixture in epoxy resin, amino resins, acrylic resin, mylar, polyurethane resin, the fluorocarbon resin.
3. a kind of weather resistant coatings according to claim 1 is characterized in that one or more the mixture in described curing agent amine curing agent, anhydride curing agent, the isocyanates.
4. a kind of weather resistant coatings according to claim 1 is characterized in that one or more the mixture in described organic filler ultraviolet absorber, age resister, the anti-hydrolysis stabilizer.
5. a kind of weather resistant coatings according to claim 1 is characterized in that described inorganic filler is one or more the mixture in calcium carbonate, micarex, talcum powder, titanium white powder, silicon dioxide, aluminium oxide, magnesia, the barium sulfate.
6. a kind of weather resistant coatings according to claim 1, it is characterized in that described solvent acetone, butanone, benzene, toluene, ethyl acetate, ethyl butyrate, in one or more mixture.
7. a solar energy backboard that uses weather resistant coatings as claimed in claim 1 to make is characterized in that comprising insulated substrate (1), is provided with weather resistant coatings (2) on the one side at least in described insulated substrate (1).
8. solar energy backboard according to claim 7; It is characterized in that on the one side of described insulated substrate (1), being provided with weather resistant coatings (2); On described insulated substrate (1) another side, be provided with fluoropolymer film (3), between described insulated substrate (1) and fluoropolymer film (3), be provided with gluing layer (4).
9. according to claim 7 or 8 described solar energy backboards, it is characterized in that described insulated substrate (1) for polyamide, polymethyl methacrylate, PETG, polybutylene terephthalate, gather one or more the blended product in the dioctyl phthalate glycol ester how.
10. according to claim 7 or 8 described solar energy backboards, it is characterized in that described weather resistant coatings thickness is 5～100um.
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| CN 201110262064 CN102315285B (en) | 2011-09-06 | 2011-09-06 | Weather-resistant coating and solar back plate using same |
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| CN 201110262064 CN102315285B (en) | 2011-09-06 | 2011-09-06 | Weather-resistant coating and solar back plate using same |
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| CN102315285B CN102315285B (en) | 2013-06-19 |
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| CN102516852A (en) * | 2011-12-16 | 2012-06-27 | 新高电子材料（中山）有限公司 | Weather-resistant and high thermal conductive coating, radiating solar rear panel and efficient solar cell panel |
| CN102642360A (en) * | 2012-05-03 | 2012-08-22 | 上海鑫冠橡胶材料有限公司 | Fluoride-free solar battery rear panel and preparation method thereof |
| CN102931263A (en) * | 2012-11-12 | 2013-02-13 | 乐凯胶片股份有限公司 | Solar battery back film and preparation method thereof |
| CN103022197A (en) * | 2012-12-13 | 2013-04-03 | 江苏盛福高分子材料科技有限公司 | Novel PPC solar insulation rear panel and manufacture method thereof |
| CN103059676A (en) * | 2012-11-29 | 2013-04-24 | 乐凯胶片股份有限公司 | Solar cell back film |
| CN103470006A (en) * | 2013-08-16 | 2013-12-25 | 浙江晶通塑胶有限公司 | Anti-scratch composite floor and production method of anti-scratch composite floor |
| CN103560162A (en) * | 2013-11-20 | 2014-02-05 | 无锡中洁能源技术有限公司 | Solar cell back board and manufacturing method thereof |
| CN103709953A (en) * | 2013-11-15 | 2014-04-09 | 苏州赛伍应用技术有限公司 | Polymer coating film and solar cell backboard containing polymer coating film |
| CN104151953A (en) * | 2014-08-20 | 2014-11-19 | 杭州福斯特光伏材料股份有限公司 | Weatherability fluorocarbon paint and preparation method thereof |
| CN104201224A (en) * | 2014-08-20 | 2014-12-10 | 杭州福斯特光伏材料股份有限公司 | Transparent back plate for solar cell module |
| CN104356560A (en) * | 2014-10-24 | 2015-02-18 | 无锡中洁能源技术有限公司 | Fluorocarbon coating layer for solar cell backplane and preparation method of coating layer |
| CN104409544A (en) * | 2014-11-14 | 2015-03-11 | 无锡中洁能源技术有限公司 | Double-sided epoxy resin solar panels back film and preparation method thereof |
| CN104403528A (en) * | 2014-11-14 | 2015-03-11 | 无锡中洁能源技术有限公司 | Antioxidant paint for solar cell backboard and preparation method thereof |
| CN104804607A (en) * | 2015-05-19 | 2015-07-29 | 太仓市金新涂料有限公司 | Energy-saving and environment-friendly roller coating paint for thick plate and use method of energy-saving and environment-friendly roller coating paint |
| CN105609575A (en) * | 2015-12-31 | 2016-05-25 | 杭州福斯特光伏材料股份有限公司 | High-reflectivity backplate material of photovoltaic module |
| CN106519276A (en) * | 2016-09-18 | 2017-03-22 | 中天光伏材料有限公司 | Single-side coated and integrated backplane for photovoltaic modules |
| WO2018032731A1 (en) * | 2016-08-18 | 2018-02-22 | 老虎粉末涂料制造（太仓）有限公司 | Packaging material for photovoltaic module and method for preparing packaging material |
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