CN104465835B - A kind of preparation method of the solar battery back film of acid corrosion-resistant - Google Patents
A kind of preparation method of the solar battery back film of acid corrosion-resistant Download PDFInfo
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- CN104465835B CN104465835B CN201410646788.3A CN201410646788A CN104465835B CN 104465835 B CN104465835 B CN 104465835B CN 201410646788 A CN201410646788 A CN 201410646788A CN 104465835 B CN104465835 B CN 104465835B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002253 acid Substances 0.000 title claims abstract description 11
- 238000005260 corrosion Methods 0.000 title claims abstract description 11
- 230000007797 corrosion Effects 0.000 title claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 26
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005530 etching Methods 0.000 claims abstract description 18
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 10
- 238000000498 ball milling Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- -1 poly butylene succinate Polymers 0.000 claims abstract description 8
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010453 quartz Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 17
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 14
- GTACSIONMHMRPD-UHFFFAOYSA-N 2-[4-[2-(benzenesulfonamido)ethylsulfanyl]-2,6-difluorophenoxy]acetamide Chemical compound C1=C(F)C(OCC(=O)N)=C(F)C=C1SCCNS(=O)(=O)C1=CC=CC=C1 GTACSIONMHMRPD-UHFFFAOYSA-N 0.000 abstract description 8
- 101710130081 Aspergillopepsin-1 Proteins 0.000 abstract description 8
- 102100031007 Cytosolic non-specific dipeptidase Human genes 0.000 abstract description 8
- 239000012948 isocyanate Substances 0.000 abstract description 8
- 150000002513 isocyanates Chemical class 0.000 abstract description 8
- 229920002961 polybutylene succinate Polymers 0.000 abstract description 7
- 239000004631 polybutylene succinate Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 239000002861 polymer material Substances 0.000 abstract description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 125000005442 diisocyanate group Chemical group 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- ZTNJGMFHJYGMDR-UHFFFAOYSA-N 1,2-diisocyanatoethane Chemical compound O=C=NCCN=C=O ZTNJGMFHJYGMDR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses the preparation method of the solar battery back film of a kind of acid corrosion-resistant, belong to technical field of polymer materials.Comprise the steps: to take silicon carbide powder, sodium carbonate, after mix homogeneously, be positioned in quartz boat, heat temperature raising, insulation, after letting cool, solids dilute hydrochloric acid is washed to constant weight, obtains etching SiC powder body；By etching SiC powder body, titanium dioxide powder, glycerol, stearic acid mix homogeneously, then carry out ball milling, obtain mixture；By mixture, PEPA, isocyanates, poly butylene succinate, organic solvent mix homogeneously,.The present invention, by adding carbofrax material in notacoria polymeric material, improves decay resistance；It addition, by the surface of carborundum is performed etching, and be coated with short grained titanic oxide material, solve the problem that the transit dose of water vapour is excessive, and adhesive force can be improved.
Description
Technical field
The invention discloses the preparation method of the solar battery back film of a kind of acid corrosion-resistant, belong to high polymer material technology
Field.
Background technology
Solar cell industry governs the sternness of international community's economic development bottleneck day by day in current regenerative resource
Just developing with speed faster under situation.Under the promotion of international photovoltaic market great potential, the solaode system of various countries
Making industry to fall over each other to put into huge fund, expanding production, to strive one seat.China's solar cell industry is except solar battery back film at present
Other assemblies all realize production domesticization in addition, and solar battery back film (solar cell backboard film) plays in protection photovoltaic module
The effect of cell piece, there is reliable insulating properties, water preventing ability, resistance to ag(e)ing.
Solar cell notacoria is broadly divided into fluorine-containing notacoria and the most fluorine-containing big class of notacoria two.The most fluorine-containing notacoria divides again two-sided containing
Fluorine (such as TPT) and one side fluorine-containing (such as TPE) two kinds;The most fluorine-containing notacoria is then many to be combined gluing for multilayer PET by adhesive
Form.At present, the use of commercial crystal silicon solar battery assembly requires to be 25 years, and notacoria is as directly connecing with external environment large area
The photovoltaic encapsulation material touched, it should possess the resistance to long-term ageing (damp and hot, xeothermic, ultraviolet) of brilliance, resistance to electric insulation, steam resistance
Every etc. performance.Therefore, notacoria to meet the solar module environment of 25 years at aspects such as insulation ageing-resistant, resistance to, resistance to aqueous vapors and examines
Test.
CN103579396A relates to the technical field of a kind of solaode, especially a kind of solar battery back film.Its
Including sealant layer, solar battery cell, waterproof layer, resin bed and organic insulator, sealant layer is provided with solar-electricity
Pool unit, sealant layer side is provided with waterproof layer, and opposite side is provided with resin bed, and resin bed is covered with one layer of organic insulator.
The open a kind of solar battery back film of CN102738280A, it includes substrate layer and is positioned at the weathering layer on substrate layer surface, at base
Another surface configuration of sheet material layers has tackifying resin layer, and described tackifying resin layer uses following method to obtain: (1) melt extrudes:
At 90 ~ 320 DEG C, melted adhesion resin is melt extruded to substrate layer surface, form the tackifying resin that thickness is 5 ~ 60 μm
Melt films layer；(2) cooling molding: melt films layer is cooled to 40 ~ 180 DEG C, cools down molding；(3) lamination: by 2 ~ 6 kilograms/flat
Tackifying resin melt films layer is integrated by the pressure roll of square centimetre with substrate layer pressing.But, these notacorias all there are for a long time
After acid corrosion, it may appear that the problem that permeability rate raises.
Summary of the invention
The technical problem to be solved: the back membrane material of solar panel, after long-term acid corrosion, can go out
The problem that existing permeability rate raises, is improved its preparation method, is proposed the solar battery back film of a kind of acid corrosion-resistant
Preparation method.
Technical scheme:
The preparation method of the solar battery back film of a kind of acid corrosion-resistant, comprises the steps:
1st step, by weight, takes silicon carbide powder 10～20 parts, sodium carbonate 15～30 parts, after mix homogeneously, places
In quartz boat, heat temperature raising, insulation, after letting cool, solids dilute hydrochloric acid is washed to constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, titanium dioxide powder 5～10 parts, glycerol 5～10 parts, stearic acid 3～6 parts of mixing
Uniformly, then carry out ball milling, obtain mixture；
3rd step, by mixture, PEPA 100～150 parts, isocyanates 10～15 parts, poly butylene succinate
3～6 parts, organic solvent 100～150 parts of mix homogeneously,.
Described PEPA is preferably 10PE27 glycol (PEA), polyadipate ethylene glycol 1 the third two
A kind of or the mixture of at least a part of which two kinds in alcohol esterdiol, polyadipate diglycol esterdiol (PDA).
Described isocyanates is preferably l, hexamethylene-diisocyanate (HDI), isophorone diisocyanate (IPDI), benzene
The mixture of a kind of or at least a part of which two kinds in dimethylene diisocyanate (XDI).
In the 1st described step, the mean diameter of silicon carbide powder is 200～400 microns.
In the 1st described step, the temperature of intensification is 700～800 DEG C.
In the 1st described step, the concentration of dilute hydrochloric acid is 1wt%.
In the 2nd described step, the mean diameter of titanium dioxide powder is 50～100 microns.
In the 2nd described step, Ball-milling Time is 2 hours.
Beneficial effect
The present invention, by adding carbofrax material in notacoria polymeric material, improves decay resistance；It addition, pass through
The surface of carborundum is performed etching, and is coated with short grained titanic oxide material, solve the transit dose of water vapour
Excessive problem, and adhesive force can be improved.
Detailed description of the invention
Embodiment 1
The preparation method of solar battery back film, comprises the steps:
1st step, take silicon carbide powder (mean diameter is 200 microns) 10Kg, sodium carbonate 15Kg, after mix homogeneously, place
In quartz boat, heat temperature raising, the temperature of intensification is 700 DEG C, insulation, after letting cool, is washed extremely by solids 1wt% dilute hydrochloric acid
Constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, titanium dioxide powder (mean diameter is 50 microns) 5Kg, glycerol 5Kg, stearic acid
3Kg mix homogeneously, then carry out ball milling 2 hours, obtain mixture；
3rd step, by mixture, PEPA (10PE27 glycol) 100Kg, isocyanates (l, 6-oneself
Diisocyanate) 10Kg, poly butylene succinate 3Kg, organic solvent 100Kg mix homogeneously,.
Embodiment 2
The preparation method of solar battery back film, comprises the steps:
1st step, take silicon carbide powder (mean diameter is 400 microns) 20Kg, sodium carbonate 30Kg, after mix homogeneously, place
In quartz boat, heat temperature raising, the temperature of intensification is 800 DEG C, insulation, after letting cool, is washed extremely by solids 1wt% dilute hydrochloric acid
Constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, titanium dioxide powder (mean diameter is 100 microns) 10Kg, glycerol 10Kg, hard ester
Acid 6Kg mix homogeneously, then carry out ball milling 2 hours, obtain mixture；
3rd step, by mixture, PEPA (10PE27 glycol) 150Kg, isocyanates (l, 6-oneself
Diisocyanate) 15Kg, poly butylene succinate 6Kg, organic solvent 150Kg mix homogeneously,.
Embodiment 3
The preparation method of solar battery back film, comprises the steps:
1st step, take silicon carbide powder (mean diameter is 400 microns) 15Kg, sodium carbonate 20Kg, after mix homogeneously, place
In quartz boat, heat temperature raising, the temperature of intensification is 750 DEG C, insulation, after letting cool, is washed extremely by solids 1wt% dilute hydrochloric acid
Constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, titanium dioxide powder (mean diameter is 50 microns) 7Kg, glycerol 7Kg, stearic acid
5Kg mix homogeneously, then carry out ball milling 2 hours, obtain mixture；
3rd step, by mixture, PEPA (10PE27 glycol) 120Kg, isocyanates (l, 6-oneself
Diisocyanate) 12Kg, poly butylene succinate 5Kg, organic solvent 120Kg mix homogeneously,.
Reference examples 1
Difference with embodiment 3 is: silicon carbide powder is without etching.
The preparation method of solar battery back film, comprises the steps:
1st step, by silicon carbide powder (mean diameter is 400 microns) 15Kg, titanium dioxide powder, (mean diameter is 50 micro-
Rice) 7Kg, glycerol 7Kg, stearic acid 5Kg mix homogeneously, then carry out ball milling 2 hours, obtain mixture；
2nd step, by mixture, PEPA (10PE27 glycol) 120Kg, isocyanates (l, 6-oneself
Diisocyanate) 12Kg, poly butylene succinate 5Kg, organic solvent 120Kg mix homogeneously,.
Reference examples 2
Difference with embodiment 3 is: do not add titanium dioxide powder.
The preparation method of solar battery back film, comprises the steps:
1st step, take silicon carbide powder (mean diameter is 400 microns) 15Kg, sodium carbonate 20Kg, after mix homogeneously, place
In quartz boat, heat temperature raising, the temperature of intensification is 750 DEG C, insulation, after letting cool, is washed extremely by solids 1wt% dilute hydrochloric acid
Constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, glycerol 7Kg, stearic acid 5Kg mix homogeneously, then carry out ball milling 2 hours, mixed
Compound；
3rd step, by mixture, PEPA (10PE27 glycol) 120Kg, isocyanates (l, 6-oneself
Diisocyanate) 12Kg, poly butylene succinate 5Kg, organic solvent 120Kg mix homogeneously,.
Performance test
The preparation of notacoria: being coated by above-mentioned composition in the PET base material of 200 microns, concrete coating process is as follows: base material
Unreeling through unreeling machine, then automatic charging, compositions is toasted through three sections of drying-plate casees after being coated with on base material, drying-plate case temperature
Being set to 120 DEG C, 100 DEG C, 90 DEG C, drying tunnel a length of 10～30m, linear velocity is 5-40m/min, and last rolling machine is received
Volume, obtains the solar battery back film that weathering layer thickness is 30 microns, i.e. obtains the solar battery back film of the present invention after baking
Moisture-vapor transmission is tested: according to standard ASTM F 1249, uses TSY-W2 water vapor permeation rate tester to the back of the body
Film water vapor transmission rates is tested.
Weatherability is tested: according to standard IS0 4892-2, uses the Q-sun xenon lamp type Ageing machine weatherability to notacoria
Test, direct substrate occurs the most visible flavescence, bubbling, records the time.
Adhesive force is tested: according to standard GB/T 9286-1998, uses paint film lattice drawing instrument (to survey the adhesive force of notacoria
Examination.
Result is as follows:
From the contrast of embodiment and reference examples 1 it can be seen that after by silicon carbide powder is performed etching, can be more preferable
Ground is coated with titanic oxide material, it is possible to reduce the problem that water vapour transit dose is excessive；Contrast by embodiment Yu reference examples 2
It can be seen that the adhesive force with base material can be improved.
Corrosion-resistant test
Being placed in the hydrochloric acid solution of 5% by substrate, temperature is 40 DEG C, soaks 7 days, repeats above-mentioned test after taking-up, and result is such as
Under:
As can be seen from the table, after acid corrosion, the increase rate of the water vapour permeability in embodiment is the least
Substrate in reference examples, and weathering excellent performance.
Claims (1)
1. the preparation method of the solar battery back film of an acid corrosion-resistant, it is characterised in that comprise the steps:
1st step, takes silicon carbide powder 15kg, sodium carbonate 20kg, after mixing, is positioned in quartz boat, is heated to 750 DEG C,
Insulation, after letting cool, washs solids 1wt% dilute hydrochloric acid to constant weight, obtains etching SiC powder body；
2nd step, by etching SiC powder body, titanium dioxide powder 7kg, glycerol 7kg, stearic acid 5kg mixing, ball milling 2h, is mixed
Thing；
3rd step, by mixture, 10PE27 glycol 120kg, l, hexamethylene-diisocyanate 12kg, poly-succinic fourth
Diol ester 5kg, organic solvent 120kg mix,；
Wherein, silicon carbide powder mean diameter is 400 microns, and titanium dioxide powder mean diameter is 50 microns.
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| CN106024945A (en) * | 2016-06-15 | 2016-10-12 | 李孟平 | High-durability solar panel back film |
| CN106601852A (en) * | 2016-11-30 | 2017-04-26 | 庞倩桃 | High-reflection composite backplane for photovoltaic module |
| CN106784087A (en) * | 2016-12-19 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | A kind of composite solar battery backboard |
| CN108192329A (en) * | 2017-12-30 | 2018-06-22 | 南京陶特思软件科技有限公司 | A kind of preparation process of color inhibition foam |
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| CN102005491A (en) * | 2010-08-30 | 2011-04-06 | 杭州联合新材科技股份有限公司 | High-fluorine mixcrystal coating solar photovoltaic cell back film and manufacturing method thereof |
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Inventor after: Chen Xiangyan Inventor after: Zhou Ling Inventor after: Long Haiwei Inventor after: Chen Lu Inventor after: Deng Feifeng Inventor after: Zheng Feifei Inventor after: Zhuang Xingang Inventor after: Zeng Biling Inventor after: Wen Xiang Inventor after: Liu Tao Inventor before: Huang Xindong Inventor before: Liu Tianren |
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