CN108550660A - A kind of preparation method of the weather-proof solar energy back veneer material of heat conduction - Google Patents
A kind of preparation method of the weather-proof solar energy back veneer material of heat conduction Download PDFInfo
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- CN108550660A CN108550660A CN201810593336.1A CN201810593336A CN108550660A CN 108550660 A CN108550660 A CN 108550660A CN 201810593336 A CN201810593336 A CN 201810593336A CN 108550660 A CN108550660 A CN 108550660A
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- 239000000463 material Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 235000019362 perlite Nutrition 0.000 claims abstract description 68
- 239000010451 perlite Substances 0.000 claims abstract description 58
- 239000004816 latex Substances 0.000 claims abstract description 37
- 229920000126 latex Polymers 0.000 claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- -1 polyethylene Polymers 0.000 claims abstract description 22
- 238000011049 filling Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 241000522215 Dipteryx odorata Species 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims description 41
- 239000011347 resin Substances 0.000 claims description 41
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000010455 vermiculite Substances 0.000 claims description 21
- 235000019354 vermiculite Nutrition 0.000 claims description 21
- 229910052902 vermiculite Inorganic materials 0.000 claims description 21
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 20
- 229920000570 polyether Polymers 0.000 claims description 20
- 238000004321 preservation Methods 0.000 claims description 16
- 238000000498 ball milling Methods 0.000 claims description 15
- 238000013329 compounding Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 7
- NPAIMXWXWPJRES-UHFFFAOYSA-N butyltin(3+) Chemical compound CCCC[Sn+3] NPAIMXWXWPJRES-UHFFFAOYSA-N 0.000 claims description 7
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical class OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910001562 pearlite Inorganic materials 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- PQMOXTJVIYEOQL-UHFFFAOYSA-N Cumarin Natural products CC(C)=CCC1=C(O)C(C(=O)C(C)CC)=C(O)C2=C1OC(=O)C=C2CCC PQMOXTJVIYEOQL-UHFFFAOYSA-N 0.000 abstract description 6
- FSOGIJPGPZWNGO-UHFFFAOYSA-N Meomammein Natural products CCC(C)C(=O)C1=C(O)C(CC=C(C)C)=C(O)C2=C1OC(=O)C=C2CCC FSOGIJPGPZWNGO-UHFFFAOYSA-N 0.000 abstract description 6
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000008267 milk Substances 0.000 abstract description 2
- 210000004080 milk Anatomy 0.000 abstract description 2
- 235000013336 milk Nutrition 0.000 abstract description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 abstract 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 230000003026 anti-oxygenic effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- UTPYTEWRMXITIN-YDWXAUTNSA-N 1-methyl-3-[(e)-[(3e)-3-(methylcarbamothioylhydrazinylidene)butan-2-ylidene]amino]thiourea Chemical compound CNC(=S)N\N=C(/C)\C(\C)=N\NC(=S)NC UTPYTEWRMXITIN-YDWXAUTNSA-N 0.000 description 1
- LAWHHRXCBUNWFI-UHFFFAOYSA-N 2-pentylpropanedioic acid Chemical compound CCCCCC(C(O)=O)C(O)=O LAWHHRXCBUNWFI-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000270708 Testudinidae Species 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012772 electrical insulation material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- 238000004383 yellowing Methods 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- H01L31/049—Protective back sheets
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of the weather-proof solar energy back veneer material of heat conduction, belong to solar energy photovoltaic material preparing technical field.One of thermal paste composition of milk is black tonka bean powder in the present invention,The cumarin that it is rich in is a kind of efficient ultraviolet absorber,The double bond of polyethylene film can reduce the cloud density of cumarin molecule in water vapor rejection film,Aluminium foil and polyethylene film are latex bonded compound by radiating in the present invention,Winding obtains water vapor rejection film,The water vapor rejection film is aluminized complex film,It can form one of special aqueous vapor separation layer on back veneer material surface,The heat dissipation latex of the present invention is difficult to be pyrolyzed because of high crosslink density,And latex can be flowed by the micropore of expanded perlite between back veneer material film layer interface,The expansiveness graphite of heat filling expands in high temperature is adhered to micropore inner surface,The thermal conductivity of graphite is preferable,By the micropore of expanded perlite high-specific surface area by heat derives,To improve the heat conductivility of back veneer material,It has a extensive future.
Description
Technical field
The invention discloses a kind of preparation methods of the weather-proof solar energy back veneer material of heat conduction, belong to solar energy photovoltaic material system
Standby technical field.
Background technology
Solar cell module includes mainly glass, hot melt adhesive film, frame, notacoria, terminal box, silica gel etc..Battery component
Service life generally require 25 years, it is to be ensured that product reaches so long service life, just must be strictly controlled each assembly quality.
In these components, the effect of notacoria should not be underestimated, it is directly come into contact in a large area with external environment in photovoltaic encapsulation material.Institute
There must be excellent weatherability with it（It is high-low temperature resistant, resistance to ultraviolet）, insulation, shock resistance, the performances such as vapor water barriers.These are excellent
The opposite sex can be for ensureing that the reliability, stability, durability of solar cell are particularly significant.If otherwise there is delamination, tortoise in backboard
It splits, blister, the bad phenomenons such as yellowing, it will cause battery modules to fall off, cell piece sliding, battery effective output reduce etc.
Situation, it is serious that component burning can also be caused to inspire fire.
The non-renewable resources such as traditional energy such as oil, coal are gradually using up, and energy problem has become restriction generation
The bottleneck of various countries of boundary socio-economic development, the whole world also have 2,000,000,000 people to cannot get normal energy supply, thus find new energy at
For the task of top priority.Solar energy is paid attention to as a kind of inexhaustible, nexhaustible, free of contamination green energy resource by various countries,
Wherein solar power generation is used by most countries as the most important application form of solar energy, and by energetically
It promotes.Solar power generation be the visible light of the sun is directly changed into electric energy using the quantum effect principle of the semiconductors such as silicon, but
It is that must face harsh climate condition since solar cell directly leaks in outdoor air cruelly, be vulnerable to vapor, sour gas
The erosion of body, high/low temperature and ultraviolet light etc. causes its photoelectric conversion performance degradation, it would therefore be desirable to which a kind of material is protected
Silicon chip of solar cell, in face of direct sunlight one side we silicon chip is generally protected using glass, and reverse side, we are using too
It is positive can battery back-sheet protect.
With this condition, solar cell backboard need have following characteristic：There is very excellent weatherability, is amenable to
Boisterous test；Solar cell backboard requires have extraordinary ultraviolet absorption ability, and preferably protection is used for fixing silicon
Piece and EVA；In addition, solar cell backboard must also have reliable electrical insulation capability, ageing-resistant performance, heat conductivility.Cause
This, invents that a kind of thermal conductivity is good and the solar energy back veneer material of good weatherability has solar energy photovoltaic material preparing technical field
Positive effect.
Invention content
Present invention mainly solves the technical issues of, for current solar energy backboard production method mainly by polyvinyl fluoride
It pastes or the upper and lower surface coated on polyethylene terephthalate matrix forms " sandwich " structure, the barrier property of oxygen and water
Can be poor, the solar cell backboard produced is exposed to open air for a long time, is easy to happen layer separation or breakage, and aging degenerates, weather-proof
Property it is poor, and due to backboard poor thermal conductivity, high temperature can be caused to make the defect of entire solar cell damage, provide a kind of heat conduction
The preparation method of weather-proof solar energy back veneer material.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of preparation method of the weather-proof solar energy back veneer material of heat conduction, it is characterised in that specifically preparation process is：
（1）Count in parts by weight, take 60~70 parts of ethylene-vinyl acetate copolymers, 20~25 parts of expansiveness graphite, 10~
15 parts of black tonka bean powders mixing, obtain heat filling, and vermiculite is taken to be put into ball milling in ball mill, and sieving obtains vermiculite power, by vermiculite power,
Acrylate latex, heat filling mixing, obtain heat dissipation latex；
（2）It takes perlite ore to be placed in ball milling in ball mill, obtains perlite ore, perlite ore is placed in baking oven, add
Heat heating, after preheating, is put into resistance furnace, temperature programming, heat preservation roasting, is sieved after cooled to room temperature and obtains expanded pearlite
Rock；
（3）Expanded perlite is placed in drying in vacuum drying chamber, obtains dry expansion perlite, 400~500g is dried swollen
Swollen perlite pours into the three-necked flask equipped with condensation reflux unit, and heat temperature raising vacuumizes three-necked flask, by the latex that radiates
It is mixed to get mixed liquor with ethyl acetate, mixed liquor is poured into three-necked flask, until flooding expanded perlite, heat preservation absorption is cold
But to room temperature, cored expanded perlite is obtained；
（4）It counts in parts by weight, by 30~40 parts of M-phthalic acids, 20~25 parts of neopentyl glycols, 5~10 parts of trihydroxy methyls third
Alkane, the mixing of 1~3 part of Mono-n-butyltin, are put into the four-hole boiling flask equipped with condensing unit, start blender, with 400~
The rotating speed of 450r/min stirs, heat temperature raising, under nitrogen protection, 10~15 parts of Isosorbide-5-Nitraes-hexamethylene diformazan is added after insulation reaction
Acid, acidolysis reaction are cooled to room temperature, mix 20~30 parts of cored expanded perlites, weatherable polyether resin is obtained after the reaction was continued；
（5）Heat dissipation latex is put into negative and positive film compounding machine, aluminium foil is placed in the first base material and unreels portion by setting gluing roller pressure,
Polyethylene film is separately placed in the second base material and unreels portion, chooses the cable roll of 150 lines, starts compounding machine, winding cooling obtains water
Vapour locking diaphragm；
（6）By polyethylene terephthalate and polyvinylidene fluoride resin master batch, co-extruder is laminated by polymer micro-nano
Coextrusion, obtain laminated resin film, laminated resin film surface coat weatherable polyether resin, then take advantage of weatherable polyether resin it is not dry when
Water vapor rejection film is attached, the weather-proof solar energy back veneer material of heat conduction is obtained.
Step（1）The Ball-milling Time is 30~40min, and be sieved specification is sieved for 100 mesh, vermiculite power, acrylate
Latex, heat filling mixing quality ratio are 1 ︰, 10 ︰ 5.
Step（2）The grain size of the perlite ore is 0.1~0.3mm, and temperature is 400~450 DEG C after heat temperature raising,
Preheating time is 35~45min, and temperature programming temperature is 1000~1050 DEG C, and control heating rate is 10 DEG C/min, heat preservation roasting
The burning time is 2~4h, and be sieved specification is 500 mesh.
Step（3）The vacuum drying chamber set temperature is in 70~80 DEG C, and drying time is 2~3h, and heating rises
Temperature is 100~120 DEG C after temperature, and the vacuumize process time is 30~40min, and heat dissipation latex is with ethyl acetate mixing quality ratio
2 ︰ 3, heat preservation adsorption time are 2~3h.
Step（4）Temperature is 230~250 DEG C after the heat temperature raising, and the insulation reaction time is 2~3h, acidolysis reaction
Time is 2~3h, and the reaction was continued, and the time is 20~30min.
Step（5）The described setting gluing roller pressure is 5~10MPa, when starting compounding machine control roller linear velocity be 4~
5cm/s, drying tunnel temperature are 50~70 DEG C.
Step（6）The polyethylene terephthalate and polyvinylidene fluoride resin master batch mixing quality ratio is 3 ︰ 1,
Control weatherable polyether resin coated weight is 100~120g/m2。
The beneficial effects of the invention are as follows：
（1）Ethylene-vinyl acetate copolymer, expansiveness graphite, black tonka bean powder are mixed to get heat filling by the present invention, will
Heat filling, vermiculite power, acrylate latex are mixed to get heat dissipation latex, and perlite ore ball milling is taken to obtain perlite ore,
Heated roasting obtains expanded perlite, heat dissipation latex is mixed to get mixed liquor with ethyl acetate, then expanded perlite is soaked
Enter in mixed liquor, cored expanded perlite is obtained after cooling, M-phthalic acid, neopentyl glycol, trimethylolpropane are mixed, used
Mono-n-butyltin catalysis causes, and incorporation cored expanded perlite obtains weather-proof back veneer material after polymerization, acidolysis, the present invention
One of middle thermal paste composition of milk is black tonka bean powder, and the cumarin that it is rich in is a kind of efficient ultraviolet absorber, is hindered in steam
The double bond of polyethylene film can reduce the cloud density of cumarin molecule in diaphragm, improve the absorption of UV of cumarin,
The matrix resin of back veneer material is set to be influenced to reduce by ultraviolet irradiation, in addition cumarin has stronger antioxygenic property, and energy
Enough to play facilitation to solidification crosslinking, the increase of the degree of cross linking makes the degradation with aging ability of matrix resin decline, and in addition epoxy is big
Soya-bean oil has stronger antioxygenic property, and can play facilitation to solidification crosslinking, and the increase of the degree of cross linking makes back veneer material
In extraneous aging, degradation capability declines, and heat filling has cooling effect under extraneous hot conditions, makes back veneer material surface
Temperature tends to balance, so as to improve the defect of back veneer material weatherability difference；
（2）Aluminium foil is latex bonded compound by radiating with polyethylene film in the present invention, and winding obtains water vapor rejection film, the steam
Obstruct membrane is aluminized complex film, it can form one of special aqueous vapor separation layer on back veneer material surface, and steam permeability is dropped
It is extremely minimum, so that back veneer material is born higher temperature and humidity, this yin-yang structure Compound Water vapour locking diaphragm is utmostly
On reduce heat bridge effect, reduce the absorption to external heat, heat dissipation latex of the invention because high crosslink density is difficult to be pyrolyzed, and
And between latex can flow into back veneer material film layer interface by the micropore of expanded perlite, increase the high temperature adhesion of back veneer material,
Heat filling main component is ethylene-vinyl acetate copolymer, and the expansiveness graphite of heat filling expands in high temperature to be glued
Be attached to micropore inner surface, the thermal conductivity of graphite is preferable, can by the micropore of expanded perlite high-specific surface area by heat derives,
To improve the heat conductivility of back veneer material, have a extensive future.
Specific implementation mode
It counts in parts by weight, takes 60~70 parts of ethylene-vinyl acetate copolymers, 20~25 parts of expansiveness graphite, 10
~15 parts of black tonka bean powder mixing, obtain heat filling, vermiculite are taken to be put into 30~40min of ball milling in ball mill, sieve with 100 mesh sieve to obtain
Vermiculite power, acrylate latex, heat filling are that 1 ︰, 10 ︰ 5 are mixed in mass ratio, obtain heat dissipation latex by vermiculite power；Take pearl
Rock and ore is placed in ball milling in ball mill, obtains the perlite ore that grain size is 0.1~0.3mm, perlite ore is placed in baking oven
In, be heated to 400~450 DEG C, after preheating 35~45min, be put into resistance furnace, temperature programming to 1000~1050 DEG C,
Control heating rate is 10 DEG C/min, and heat preservation roasts 2~4h, crosses 500 mesh after cooled to room temperature and sieves to obtain expanded perlite；
Expanded perlite is placed in the vacuum drying chamber that set temperature is 70~80 DEG C, after dry 2~3h, obtains dry expansion pearl
Rock pours into 400~500g dry expansion perlites in the three-necked flask equipped with condensation reflux unit, it is heated to 100~
120 DEG C, 30~40min is vacuumized to three-necked flask, heat dissipation latex is mixed to get for 2 ︰ 3 in mass ratio with ethyl acetate and is mixed
Mixed liquor is poured into three-necked flask by liquid, until flooding expanded perlite, heat preservation 2~3h of absorption is cooled to room temperature, obtains cored
Expanded perlite；It counts in parts by weight, by 30~40 parts of M-phthalic acids, 20~25 parts of neopentyl glycols, 5~10 parts of trihydroxy methyls
Propane, the mixing of 1~3 part of Mono-n-butyltin, are put into the four-hole boiling flask equipped with condensing unit, start blender, with 400~
The rotating speed of 450r/min stirs, and is heated to 230~250 DEG C, it is added 10 under nitrogen protection, after 2~3h of insulation reaction~
15 parts of Isosorbide-5-Nitrae-cyclohexane cyclohexanedimethanodibasics, 2~3h of acidolysis reaction are cooled to room temperature, mix 20~30 parts of cored expanded perlites, continue
Weatherable polyether resin is obtained after 20~30min of reaction；Heat dissipation latex is put into negative and positive film compounding machine, setting gluing roller pressure is
Aluminium foil is placed in the first base material and unreels portion by 5~10MPa, and polyethylene film, which is separately placed in the second base material, unreels portion, chooses 150 lines
Cable roll, start compounding machine, control roller linear velocity is 4~5cm/s, and drying tunnel temperature is 50~70 DEG C, and winding cooling obtains
Water vapor rejection film；It is in mass ratio 3 ︰ 1 by polyethylene terephthalate and polyvinylidene fluoride resin master batch, passes through polymer
Co-extruder coextrusion is laminated in micro-nano, obtains laminated resin film, coats weatherable polyether resin on laminated resin film surface, control applies
The amount of covering is 100~120g/m2, then take advantage of weatherable polyether resin it is not dry when attach water vapor rejection film, obtain the heat conduction weather-proof solar energy back of the body
Plate material.
It counts in parts by weight, takes 60 parts of ethylene-vinyl acetate copolymers, 20 parts of expansiveness graphite, 10 parts of black tonka-beans
Powder mix, obtain heat filling, vermiculite taken to be put into ball milling 30min in ball mill, sieve with 100 mesh sieve to obtain vermiculite power, by vermiculite power,
Acrylate latex, heat filling are 1 ︰, 10 ︰ 5 mixing in mass ratio, obtain heat dissipation latex；Perlite ore is taken to be placed in ball mill
Middle ball milling obtains the perlite ore that grain size is 0.1mm, perlite ore is placed in baking oven, is heated to 400 DEG C, in advance
After hot 35min, it is put into resistance furnace, to 1000 DEG C, control heating rate is 10 DEG C/min for temperature programming, and heat preservation roasts 2h, from
500 mesh are crossed after being so cooled to room temperature to sieve to obtain expanded perlite；Expanded perlite is placed in the vacuum that set temperature is 70 DEG C to do
In dry case, after dry 2h, dry expansion perlite is obtained, 400g dry expansion perlites are poured into equipped with condensation reflux unit
In three-necked flask, 100 DEG C are heated to, 30min is vacuumized to three-necked flask, in mass ratio with ethyl acetate by heat dissipation latex
It is mixed to get mixed liquor for 2 ︰ 3, mixed liquor is poured into three-necked flask, until flooding expanded perlite, heat preservation absorption 2h is cooled to
Room temperature obtains cored expanded perlite；It counts in parts by weight, by 30 parts of M-phthalic acids, 20 parts of neopentyl glycols, 5 part of three hydroxyl first
Base propane, 1 part of Mono-n-butyltin mixing, are put into the four-hole boiling flask equipped with condensing unit, start blender, with 400r/min
Rotating speed stirring, be heated to 230 DEG C, under nitrogen protection, after insulation reaction 2h be added 10 parts of Isosorbide-5-Nitrae-cyclohexane cyclohexanedimethanodibasics,
Acidolysis reaction 2h, is cooled to room temperature, mixes 20 parts of cored expanded perlites, and weatherable polyether resin is obtained after the reaction was continued 20min；
Heat dissipation latex is put into negative and positive film compounding machine, setting gluing roller pressure is 5MPa, and aluminium foil is placed in the first base material and unreels portion, separately
Polyethylene film is placed in the second base material and unreels portion, chooses the cable roll of 150 lines, starts compounding machine, control roller linear velocity is
4cm/s, drying tunnel temperature are 50 DEG C, and winding cooling obtains water vapor rejection film；By polyethylene terephthalate and polyvinylidene fluoride
Olefine resin master batch is 3 ︰ 1 in mass ratio, and co-extruder coextrusion is laminated by polymer micro-nano, laminated resin film is obtained, in layer
Folded surface resin film coats weatherable polyether resin, and control coated weight is 100g/m2, then take advantage of weatherable polyether resin it is not dry when attach water
Vapour locking diaphragm obtains the weather-proof solar energy back veneer material of heat conduction.
It counts in parts by weight, takes 65 parts of ethylene-vinyl acetate copolymers, 22 parts of expansiveness graphite, 12 parts of black tonka-beans
Powder mix, obtain heat filling, vermiculite taken to be put into ball milling 35min in ball mill, sieve with 100 mesh sieve to obtain vermiculite power, by vermiculite power,
Acrylate latex, heat filling are 1 ︰, 10 ︰ 5 mixing in mass ratio, obtain heat dissipation latex；Perlite ore is taken to be placed in ball mill
Middle ball milling obtains the perlite ore that grain size is 0.2mm, perlite ore is placed in baking oven, is heated to 420 DEG C, in advance
After hot 40min, it is put into resistance furnace, to 1020 DEG C, control heating rate is 10 DEG C/min for temperature programming, and heat preservation roasts 3h, from
500 mesh are crossed after being so cooled to room temperature to sieve to obtain expanded perlite；Expanded perlite is placed in the vacuum that set temperature is 75 DEG C to do
In dry case, after dry 2.5h, dry expansion perlite is obtained, 450g dry expansion perlites are poured into equipped with condensation reflux unit
Three-necked flask in, be heated to 110 DEG C, 35min vacuumized to three-necked flask, heat dissipation latex and ethyl acetate are pressed into quality
Than being mixed to get mixed liquor for 2 ︰ 3, mixed liquor is poured into three-necked flask, until flooding expanded perlite, 2.5h is adsorbed in heat preservation, cold
But to room temperature, cored expanded perlite is obtained；Count in parts by weight, by 35 parts of M-phthalic acids, 22 parts of neopentyl glycols, 7 part three
Hydroxymethyl-propane, 2 parts of Mono-n-butyltin mixing, are put into the four-hole boiling flask equipped with condensing unit, start blender, with
The rotating speed of 420r/min stirs, and is heated to 240 DEG C, under nitrogen protection, 12 parts of Isosorbide-5-Nitrae-rings is added after insulation reaction 2.5h
Hexane dicarboxylic acid, acidolysis reaction 2.5h are cooled to room temperature, mix 25 parts of cored expanded perlites, are obtained after the reaction was continued 25min
Weatherable polyether resin；Heat dissipation latex is put into negative and positive film compounding machine, setting gluing roller pressure is 7MPa, and aluminium foil is placed in first
Base material unreels portion, and polyethylene film, which is separately placed in the second base material, unreels portion, chooses the cable roll of 150 lines, starts compounding machine, controls
Roller linear velocity is 4cm/s, and drying tunnel temperature is 60 DEG C, and winding cooling obtains water vapor rejection film；By polyethylene terephthalate
Ester and polyvinylidene fluoride resin master batch are 3 ︰ 1 in mass ratio, and co-extruder coextrusion is laminated by polymer micro-nano, is laminated
Resin film coats weatherable polyether resin on laminated resin film surface, and control coated weight is 110g/m2, then take advantage of weatherable polyether resin
Water vapor rejection film is attached when not dry, obtains the weather-proof solar energy back veneer material of heat conduction.
It counts in parts by weight, takes 70 parts of ethylene-vinyl acetate copolymers, 25 parts of expansiveness graphite, 15 parts of black tonka-beans
Powder mix, obtain heat filling, vermiculite taken to be put into ball milling 40min in ball mill, sieve with 100 mesh sieve to obtain vermiculite power, by vermiculite power,
Acrylate latex, heat filling are 1 ︰, 10 ︰ 5 mixing in mass ratio, obtain heat dissipation latex；Perlite ore is taken to be placed in ball mill
Middle ball milling obtains the perlite ore that grain size is 0.3mm, perlite ore is placed in baking oven, is heated to 450 DEG C, in advance
After hot 45min, it is put into resistance furnace, to 1050 DEG C, control heating rate is 10 DEG C/min for temperature programming, and heat preservation roasts 4h, from
500 mesh are crossed after being so cooled to room temperature to sieve to obtain expanded perlite；Expanded perlite is placed in the vacuum that set temperature is 80 DEG C to do
In dry case, after dry 3h, dry expansion perlite is obtained, 500g dry expansion perlites are poured into equipped with condensation reflux unit
In three-necked flask, 120 DEG C are heated to, 40min is vacuumized to three-necked flask, in mass ratio with ethyl acetate by heat dissipation latex
It is mixed to get mixed liquor for 2 ︰ 3, mixed liquor is poured into three-necked flask, until flooding expanded perlite, heat preservation absorption 3h is cooled to
Room temperature obtains cored expanded perlite；It counts in parts by weight, by 40 parts of M-phthalic acids, 25 parts of neopentyl glycols, 10 part of three hydroxyl first
Base propane, 3 parts of Mono-n-butyltin mixing, are put into the four-hole boiling flask equipped with condensing unit, start blender, with 450r/min
Rotating speed stirring, be heated to 250 DEG C, under nitrogen protection, after insulation reaction 3h be added 15 parts of Isosorbide-5-Nitrae-cyclohexane cyclohexanedimethanodibasics,
Acidolysis reaction 3h, is cooled to room temperature, mixes 30 parts of cored expanded perlites, and weatherable polyether resin is obtained after the reaction was continued 30min；
Heat dissipation latex is put into negative and positive film compounding machine, setting gluing roller pressure is 10MPa, and aluminium foil is placed in the first base material and unreels portion,
Polyethylene film is separately placed in the second base material and unreels portion, chooses the cable roll of 150 lines, starts compounding machine, controls roller linear velocity
For 5cm/s, drying tunnel temperature is 70 DEG C, and winding cooling obtains water vapor rejection film；By polyethylene terephthalate and gather inclined fluorine
Vinyl master batch is 3 ︰ 1 in mass ratio, and co-extruder coextrusion is laminated by polymer micro-nano, obtains laminated resin film,
Laminated resin film surface coats weatherable polyether resin, and control coated weight is 120g/m2, then take advantage of weatherable polyether resin it is not dry when attach
Water vapor rejection film obtains the weather-proof solar energy back veneer material of heat conduction.
Comparative example as a comparison case makes the present invention with the weather-proof solar energy back veneer material of heat conduction that Pinghu City company produces
The weather-proof solar energy back veneer material of heat conduction in the weather-proof solar energy back veneer material of heat conduction and comparative example that obtain carries out performance detection, detection
The results are shown in Table 1：
Test method：
Weatherability is tested：Use the SN-900 type xenon lamp aging chambers of Shanghai Mai Jie experimental facilities Co., Ltd, establishing criteria
ISO 4892-2 are tested.
Moisture-vapor transmission test is detected by the standard of ATSM 1249, using Mocon Permatran-W 3/33
Type vapor penetrates tester.
Oxygen permeability test is detected by the standard of ASTMD3985-1995, is oozed using MOCON OxyTraQ type oxygen
Saturating rate tester.
Thermal coefficient：Test method is with reference to ASTM D5470-2006《Thin thermal conductance solid electrical insulation material heat transfer performance
Testing standard》.
1 back veneer material performance measurement result of table
| Test event | Example 1 | Example 2 | Example 3 | Comparative example |
| Weatherability | Pass through | Pass through | Pass through | Do not pass through |
| Moisture-vapor transmission（g/m2/24h） | 1.13 | 1.10 | 1.05 | 2.65 |
| Oxygen permeability（cm3/m2/24h） | 0.74 | 0.70 | 0.68 | 1.75 |
| Thermal coefficient（W/m·K） | 4.07 | 4.10 | 4.12 | 1.56 |
According to the weather-proof solar energy back veneer material good weatherability of the heat conduction produced by the present invention of data among the above, to steam and oxygen
Barrier property is good, and resistance to ag(e)ing is good, ensures that it is more than the anniversary to be higher than 25 for solar cell backboard service life, thermal conductivity is good, has
Wide application prospect.
Claims (7)
1. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction, it is characterised in that specifically preparation process is：
（1）Count in parts by weight, take 60~70 parts of ethylene-vinyl acetate copolymers, 20~25 parts of expansiveness graphite, 10~
15 parts of black tonka bean powders mixing, obtain heat filling, and vermiculite is taken to be put into ball milling in ball mill, and sieving obtains vermiculite power, by vermiculite power,
Acrylate latex, heat filling mixing, obtain heat dissipation latex；
（2）It takes perlite ore to be placed in ball milling in ball mill, obtains perlite ore, perlite ore is placed in baking oven, add
Heat heating, after preheating, is put into resistance furnace, temperature programming, heat preservation roasting, is sieved after cooled to room temperature and obtains expanded pearlite
Rock；
（3）Expanded perlite is placed in drying in vacuum drying chamber, obtains dry expansion perlite, 400~500g is dried swollen
Swollen perlite pours into the three-necked flask equipped with condensation reflux unit, and heat temperature raising vacuumizes three-necked flask, by the latex that radiates
It is mixed to get mixed liquor with ethyl acetate, mixed liquor is poured into three-necked flask, until flooding expanded perlite, heat preservation absorption is cold
But to room temperature, cored expanded perlite is obtained；
（4）It counts in parts by weight, by 30~40 parts of M-phthalic acids, 20~25 parts of neopentyl glycols, 5~10 parts of trihydroxy methyls third
Alkane, the mixing of 1~3 part of Mono-n-butyltin, are put into the four-hole boiling flask equipped with condensing unit, start blender, with 400~
The rotating speed of 450r/min stirs, heat temperature raising, under nitrogen protection, 10~15 parts of Isosorbide-5-Nitraes-hexamethylene diformazan is added after insulation reaction
Acid, acidolysis reaction are cooled to room temperature, mix 20~30 parts of cored expanded perlites, weatherable polyether resin is obtained after the reaction was continued；
（5）Heat dissipation latex is put into negative and positive film compounding machine, aluminium foil is placed in the first base material and unreels portion by setting gluing roller pressure,
Polyethylene film is separately placed in the second base material and unreels portion, chooses the cable roll of 150 lines, starts compounding machine, winding cooling obtains water
Vapour locking diaphragm；
（6）By polyethylene terephthalate and polyvinylidene fluoride resin master batch, co-extruder is laminated by polymer micro-nano
Coextrusion, obtain laminated resin film, laminated resin film surface coat weatherable polyether resin, then take advantage of weatherable polyether resin it is not dry when
Water vapor rejection film is attached, the weather-proof solar energy back veneer material of heat conduction is obtained.
2. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（1）The Ball-milling Time is 30~40min, and be sieved specification is sieved for 100 mesh, vermiculite power, acrylate latex, heat filling
Mixing quality ratio is 1 ︰, 10 ︰ 5.
3. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（2）The grain size of the perlite ore is 0.1~0.3mm, and temperature is 400~450 DEG C after heat temperature raising, preheating time 35
~45min, temperature programming temperature are 1000~1050 DEG C, and control heating rate is 10 DEG C/min, heat preservation roasting time for 2~
4h, be sieved specification are 500 mesh.
4. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（3）The vacuum drying chamber set temperature is in 70~80 DEG C, and drying time is 2~3h, and temperature is 100 after heat temperature raising
~120 DEG C, the vacuumize process time is 30~40min, and heat dissipation latex is 2 ︰ 3, heat preservation absorption with ethyl acetate mixing quality ratio
Time is 2~3h.
5. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（4）Temperature is 230~250 DEG C after the heat temperature raising, and the insulation reaction time is 2~3h, and the acidolysis reaction time is 2~3h,
The reaction was continued, and the time is 20~30min.
6. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（5）The setting gluing roller pressure is 5~10MPa, and control roller linear velocity is 4~5cm/s, drying tunnel temperature when starting compounding machine
Degree is 50~70 DEG C.
7. a kind of preparation method of the weather-proof solar energy back veneer material of heat conduction according to claim 1, it is characterised in that：Step
（6）The polyethylene terephthalate and polyvinylidene fluoride resin master batch mixing quality ratio is 3 ︰ 1, controls weatherable polyether
Resin coated weight is 100~120g/m2。
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| CN101359695A (en) * | 2008-09-02 | 2009-02-04 | 中国乐凯胶片集团公司 | Back plate of solar cell |
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Application publication date: 20180918 |