CN107731949B - A kind of photovoltaic backboard and preparation method thereof - Google Patents
A kind of photovoltaic backboard and preparation method thereof Download PDFInfo
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- CN107731949B CN107731949B CN201610649820.2A CN201610649820A CN107731949B CN 107731949 B CN107731949 B CN 107731949B CN 201610649820 A CN201610649820 A CN 201610649820A CN 107731949 B CN107731949 B CN 107731949B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 20
- 239000004611 light stabiliser Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 230000000655 anti-hydrolysis Effects 0.000 claims abstract description 11
- 239000004615 ingredient Substances 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- ZTHYODDOHIVTJV-UHFFFAOYSA-N Propyl gallate Chemical compound CCCOC(=O)C1=CC(O)=C(O)C(O)=C1 ZTHYODDOHIVTJV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 4
- -1 butylhydroxy Chemical group 0.000 claims description 4
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000473 propyl gallate Substances 0.000 claims description 4
- 235000010388 propyl gallate Nutrition 0.000 claims description 4
- 229940075579 propyl gallate Drugs 0.000 claims description 4
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims 2
- 235000011330 Armoracia rusticana Nutrition 0.000 claims 1
- 240000003291 Armoracia rusticana Species 0.000 claims 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims 1
- 238000003763 carbonization Methods 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 150000002466 imines Chemical class 0.000 claims 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 claims 1
- 229920005989 resin Polymers 0.000 abstract description 26
- 239000011347 resin Substances 0.000 abstract description 26
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 abstract description 7
- 239000011737 fluorine Substances 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 5
- 230000003301 hydrolyzing effect Effects 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 31
- 239000005020 polyethylene terephthalate Substances 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 24
- 239000004698 Polyethylene Substances 0.000 description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 108010001336 Horseradish Peroxidase Proteins 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 3
- 239000004255 Butylated hydroxyanisole Substances 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 2
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 2
- 229940043253 butylated hydroxyanisole Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012757 flame retardant agent Substances 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 206010016818 Fluorosis Diseases 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000004042 dental fluorosis Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Laminated Bodies (AREA)
- 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 present invention provides a kind of photovoltaic backboard and preparation method thereof, the photovoltaic backboard includes four-layer structure, it is from inside to outside respectively that bonding film layer, glue layer, intermediate pet layer and outer layer pet layer, the outer layer pet layer are mainly made of the ingredient of following mass percentage: 50-52%PET resin, 43-46%PP resin, 0.3-0.5% antioxidant, 2-3% coupling stabilizer, 0.8-1.1% anti-hydrolysis agent, 0.6-0.8% light stabilizer and 0.1-0.4% fire retardant.Photovoltaic backboard of the invention has good mechanical performance, good hydrolytic resistance, heat-resisting quantity, ultraviolet ageing performance is obviously improved, and there is good flame retardant property, photovoltaic backboard of the invention is not fluorine-containing, fluoride pollution is not caused to environment, and preparation method is simple, is suitable for industrial production.
Description
Technical field
The invention belongs to photovoltaic material field, it is related to a kind of photovoltaic backboard and preparation method thereof.
Background technique
As the installation amount of solar photovoltaic assembly increasingly increases, the environmental issue of photovoltaic module more and more attention has been paid to.
Solar energy backboard is also standby for its fluoropolymer-containing recycling and environmental issue as indispensable a part close in photovoltaic module
It is concerned.
It is shown according to National Environmental Protection Agency's detection data, endemic fluorosis is very wide in China's distribution, according to statistics in photovoltaic
The more area of component installation amount, fluorine poisoning phenomenon are more serious.China is when manufacturing photovoltaic module mostly using fluorine-containing poly- at present
Object backboard is closed, due to containing halogens in the polymer, after component is scrapped, fluoropolymer recovery processing may face
Some difficulties, thus bring problem of environmental pollution future will highlight.In view of there is no at present in the industry effective recovery scheme and
Technology, the extremely firm chemical structure of fluorocarbon, common burial processing method can not all degrade in 1000 in addition
The ingredient.Simultaneously as fluorine can release poisonous and hazardous gas after combustion, so can not also use the method processing burned.
Therefore, in the art, the best approach to solve the above problems is to develop not fluorine-containing photovoltaic backboard.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of photovoltaic backboard and its preparation sides
Method.Photovoltaic backboard of the invention is not fluorine-containing, environmentally friendly, pollution-free, and comprehensive performance is good.
In order to achieve that object of the invention, the invention adopts the following technical scheme:
On the one hand, the present invention provides a kind of photovoltaic backboard, and the photovoltaic backboard includes four-layer structure, by
Interior respectively to bond film layer, glue layer, intermediate pet layer and outer layer pet layer to outer, the outer layer pet layer is mainly by following quality
The ingredient of percentage composition is made:
In the present invention, the dosage for preparing PET resin in raw material of the outer layer pet layer can for 50%, 50.3%,
50.5%, 50.8%, 51%, 51.3%, 51.5%, 51.8% or 52%.
In the present invention, the dosage for preparing PP resin in raw material of the outer layer pet layer can for 43%, 43.5%,
43.8%, 44%, 44.3%, 44.5%, 44.8%, 45%, 45.3%, 45.5%, 45.8% or 46%.
In the present invention, the dosage for preparing antioxidant in raw material of the outer layer pet layer can for 0.3%, 0.33%,
0.35%, 0.38%, 0.4%, 0.45%, 0.48% or 0.5%.
Preferably, the outer layer pet layer is mainly made of the ingredient of following mass percentage:
Preferably, the antioxidant is butylated hydroxy anisole (BHA), 2,6- di-tert-butyl-4-methy phenol (BHT)
In propyl gallate (PG) any one or at least two combination.
In the present invention, the outer layer pet layer prepare be coupled in raw material stabilizer dosage can for 2%, 2.2%,
2.4%, 2.6%, 2.8% or 3%.
Preferably, the coupling stabilizer is horseradish peroxidase (HRP) and/or aluminium titanium compound.
In the present invention, the dosage for preparing anti-hydrolysis agent in raw material of the outer layer pet layer can for 0.8%, 0.85%,
0.88%, 0.9%, 0.95%, 0.98%, 1.0%, 1.04%, 1.08% or 1.1%.
Preferably, the anti-hydrolysis agent is polycarbodiimide UN-03 and/or N, N- bis- (2,6- diisopropyl phenyl) carbon
Diimine.
In the present invention, the dosage for preparing light stabilizer in raw material of the outer layer pet layer can for 0.6%, 0.63%,
0.65%, 0.68%, 0.7%, 0.73%, 0.75%, 0.78% or 0.8%.
Preferably, the light stabilizer is hindered amine light stabilizer (HALS) and/or rare earth light stabilizer.
In the present invention, the dosage for preparing fire retardant in raw material of the outer layer pet layer can for 0.1%, 0.15%,
0.18%, 0.2%, 0.23%, 0.25%, 0.28%, 0.3%, 0.33%, 0.35%, 0.38% or 0.4%.
Preferably, the fire retardant is any one in antimony oxide, magnesium hydroxide or aluminium hydroxide or at least two
The combination of kind.
In outer layer pet layer of the invention, product is can be improved in PET resin and the interaction of PP resin, mutually collaboration
Mechanical performance, high temperature resistance, in conjunction with antioxidant, coupling stabilizer, anti-hydrolysis agent, light stabilizer and fire retardant, so that
Finally obtained product has good mechanical performance, heat-resisting quantity, hydrolytic resistance, and ultraviolet ageing performance is improved, and is had
There is good anti-flammability.
In the present invention, the PET resin refers to pet resin, the PP resin
In photovoltaic backboard of the invention, it is described bonding film layer with a thickness of 50-80 μm, such as 52 μm, 54 μm,
56 μm, 58 μm, 60 μm, 63 μm, 65 μm, 68 μm, 70 μm, 73 μm, 75 μm or 78 μm.If bonding the thickness of film layer less than 50 μ
M will affect E film and the caking property of EVA after lamination, reduce the backboard service life, if the thickness of bonding film layer is greater than 80 μm, can increase
Add the manufacturing cost of backboard.
Preferably, the bonding film layer is PE (polyethylene) film layer and/or EVA (ethylene-vinyl acetate copolymer) film layer.
Photovoltaic back can be fully bonded to together with photovoltaic module by lamination by bonding film layer.
In photovoltaic backboard of the invention, the glue layer with a thickness of 8-20 μm, such as 10 μm, 12 μm, 14 μ
M, 15 μm, 17 μm or 19 μm.If the thickness of glue layer less than 8 μm, will affect the adhesion strength of E film and intermediate pet layer, drop
The low backboard service life will increase the manufacturing cost of backboard if the thickness of glue layer is greater than 20 μm.
Preferably, the material of the glue layer uses epoxy resin and/or acrylic resin, by glue layer by internal layer E
Film is bonded together with intermediate pet layer.
In photovoltaic backboard of the invention, the intermediate pet layer is polyethylene terephthalate (PET)
And/or polycarbonate (PC) layer.
Preferably, the intermediate pet layer with a thickness of 200-300 μm, such as 210 μm, 220 μm, 230 μm, 240 μm, 250
μm, 260 μm, 270 μm, 280 μm or 290 μm.Intermediate pet layer can guarantee mechanical performance, permeability rate and the insulation of photovoltaic back
Performance, if the thickness of intermediate pet layer can reduce the insulated electrical equipment performance of backboard less than 200 μm, if intermediate pet layer
Thickness is greater than 300 μm, then will increase the manufacturing cost of backboard.
In photovoltaic backboard of the invention, the outer layer pet layer with a thickness of 25-50 μm, such as 26 μm, 28 μ
M, 30 μm, 33 μm, 35 μm, 38 μm, 40 μm, 43 μm, 45 μm or 48 μm.If the thickness of outer layer pet layer, can shadow less than 25 μm
The ageing properties of outer layer PET are rung, the backboard service life is reduced, if the thickness of outer layer pet layer is greater than 50 μm, will increase the system of backboard
Cause this.
In photovoltaic backboard of the invention, if there is no outer layer pet layer, the naked exposed on external layer of intermediate pet layer,
Performance can vary widely in the state of high temperature high fever, to the high temperature resistant of photovoltaic backboard, hydrolysis and ultraviolet
Ageing properties have an adverse effect.
On the other hand, the present invention provides the preparation method of photovoltaic backboard as described above, the method includes
Following steps:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, being granulated that obtain outer layer PET modified
Plastic particles；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) passes through two
Platform extruder squeezes out melt liquid, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains then is bonded bonding film layer again and obtains
To the photovoltaic backboard.
Preferably, the temperature of step (1) described heating be 270~290 DEG C, such as 270 DEG C, 273 DEG C, 275 DEG C, 278 DEG C,
280 DEG C, 283 DEG C, 286 DEG C or 288 DEG C.
Preferably, step (3) the coating adhesive water layer is completed using coating machine.
Compared with the existing technology, the invention has the following advantages:
In the present invention, the present invention passes through using modified outer layer pet layer, in conjunction with the four-layer structure, so that the sun
Energy photovoltaic back has good mechanical performance, good hydrolytic resistance, heat-resisting quantity, and ultraviolet ageing performance is obviously improved, and
With good flame retardant property.PP resin and PET resin phase interworking in the outer layer pet layer of photovoltaic backboard of the invention
It closes, synergistic effect enhances the mechanical performance of outer layer pet layer and photovoltaic backboard, in each ingredient with its dosage phase interworking
The photovoltaic backboard of the four-layer structure obtains good comprehensive performance, and photovoltaic back of the invention under conjunction
Plate is not fluorine-containing, does not cause fluoride pollution to environment, and preparation method is simple, is suitable for industrial production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of photovoltaic backboard of the present invention, wherein 1 being bonding film layer, 2 being glue layer, 3 being
Between pet layer, 4 be outer layer pet layer.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
In the present embodiment, the structure of photovoltaic backboard as shown in Figure 1, be respectively PE film layer (1), glue from inside to outside
Water layer (2), intermediate pet layer (3) and outer layer pet layer (4), the outer layer pet layer is mainly by the ingredient of following mass percentage
It is made:
Wherein, antioxidant BHA, coupling stabilizer are HRP, and anti-hydrolysis agent is polycarbodiimide UN-03, and light is stablized
Agent is rare earth light stabilizer, and fire retardant is antimony oxide.
The photovoltaic backboard the preparation method is as follows:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, being granulated that obtain outer layer PET modified
Plastic particles；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) passes through two
Platform extruder squeezes out melt liquid, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains, is then bonded PE film layer again and obtains
The photovoltaic backboard.
In the photovoltaic backboard being prepared PE film layer with a thickness of 60 μm, glue layer with a thickness of 10 μm, it is intermediate
Pet layer with a thickness of 200 μm, outer layer pet layer with a thickness of 35 μm.
Embodiment 2
In the present embodiment, photovoltaic backboard structure as shown in Figure 1, from inside to outside be respectively EVA film layer (1),
Glue layer (2), intermediate pet layer (3) and outer layer pet layer (4), the outer layer pet layer mainly by following mass percentage at
Divide and be made:
Wherein, antioxidant BHA, coupling stabilizer are HRP, and anti-hydrolysis agent is polycarbodiimide UN-03, and light is stablized
Agent is rare earth light stabilizer, and fire retardant is antimony oxide.
The photovoltaic backboard the preparation method is as follows:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, being granulated that obtain outer layer PET modified
Plastic particles；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) passes through two
Platform extruder squeezes out melt liquid, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains, is then bonded EVA film layer again and obtains
The photovoltaic backboard.
In the photovoltaic backboard being prepared EVA film layer with a thickness of 50 μm, glue layer with a thickness of 8 μm, it is intermediate
Pet layer with a thickness of 220 μm, outer layer pet layer with a thickness of 45 μm.
Embodiment 3
In the present embodiment, the structure of photovoltaic backboard as shown in Figure 1, be respectively PE film layer (1), glue from inside to outside
Water layer (2), intermediate pet layer (3) and outer layer pet layer (4), the outer layer pet layer is mainly by the ingredient of following mass percentage
It is made:
Wherein, antioxidant BHT, coupling stabilizer are aluminium titanium compound, bis- (2,6- diisopropyls of anti-hydrolysis agent N, N-
Base phenyl) carbodiimide, light stabilizer is rare earth light stabilizer, and fire retardant is magnesium hydroxide.
The photovoltaic backboard the preparation method is as follows:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, being granulated that obtain outer layer PET modified
Plastic particles；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) passes through two
Platform extruder squeezes out melt liquid, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains, is then bonded PE film layer again and obtains
The photovoltaic backboard.
In the photovoltaic backboard being prepared PE film layer with a thickness of 70 μm, glue layer with a thickness of 15 μm, it is intermediate
Pet layer with a thickness of 250 μm, outer layer pet layer with a thickness of 25 μm.
Embodiment 4
In the present embodiment, the structure of photovoltaic backboard as shown in Figure 1, be respectively PE film layer (1), glue from inside to outside
Water layer (2), intermediate pet layer (3) and outer layer pet layer (4), the outer layer pet layer is mainly by the ingredient of following mass percentage
It is made:
Wherein, antioxidant PG, coupling stabilizer are HRP, and anti-hydrolysis agent is polycarbodiimide UN-03, and light is stablized
Agent is hindered amine light stabilizer (HALS), and fire retardant is aluminium hydroxide.
The photovoltaic backboard the preparation method is as follows:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, being granulated that obtain outer layer PET modified
Plastic particles；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) passes through two
Platform extruder squeezes out melt liquid, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains, is then bonded PE film layer again and obtains
The photovoltaic backboard.
In the photovoltaic backboard being prepared PE film layer with a thickness of 80 μm, glue layer with a thickness of 20 μm, it is intermediate
Pet layer with a thickness of 300 μm, outer layer pet layer with a thickness of 50 μm.
Comparative example 1
The comparative example difference from Example 1 is only that the outer layer pet layer is prepared in raw material without using PP tree
Rouge, PET resin dosage are 95%, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 2
The comparative example difference from Example 1 is only that, the use for preparing PET resin in raw material of the outer layer pet layer
Amount be 48%, PP amount of resin is 47%, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 3
The comparative example difference from Example 1 is only that, the use for preparing PET resin in raw material of the outer layer pet layer
Amount be 53%, PP amount of resin be 43%, and being coupled stabilizing agent dosage is 2%, remaining raw material and its dosage and preparation method are equal
It is same as Example 1.
Comparative example 4
The comparative example difference from Example 1 is only that the PP amount of resin in raw material for preparing of the outer layer pet layer is
42%, the dosage of PET resin is 53%, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 5
The comparative example difference from Example 1 is only that the outer layer pet layer prepares anti-hydrolysis agent dosage in raw material
It is 45.1% for 0.7%, PP amount of resin, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 6
The comparative example difference from Example 1 is only that the outer layer pet layer prepares anti-hydrolysis agent dosage in raw material
It is 44.5% for 1.3%, PP amount of resin, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 7
The comparative example difference from Example 1 is only that the outer layer pet layer prepares light stabilizer dosage in raw material
It is 45.2% for 0.4%, PP amount of resin, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 8
The comparative example difference from Example 1 is only that the outer layer pet layer prepares light stabilizer dosage in raw material
It is 44.6% for 1%, PP amount of resin, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 9
The comparative example difference from Example 1 is only that the amount of flame-retardant agent in raw material for preparing of the outer layer pet layer is
0.05%, PP amount of resin are 45.15%, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 10
The comparative example difference from Example 1 is only that the amount of flame-retardant agent in raw material for preparing of the outer layer pet layer is
0.5%, PP amount of resin are 44.7%, remaining raw material and its dosage and preparation method are same as Example 1.
Comparative example 11
The comparative example difference from Example 1 is only that, without outer layer pet layer in the structure of photovoltaic backboard, only
It is made of PE film layer (1), glue layer (2) and intermediate pet layer (3).
Laboratory sample is fabricated to the outer layer pet layer material of embodiment 1-4 and comparative example 1-10 to be tested for the property, and is tied
Fruit is as shown in table 1.
Table 1
From table 1 it follows that the present invention passes through using modified outer layer pet layer, with good mechanical performance, well
Hydrolytic resistance, heat-resisting quantity, ultraviolet ageing performance is obviously improved, and has good flame retardant property, and in outer layer pet layer
PP resin and PET resin cooperate, synergistic effect, enhance the mechanical performance of outer layer pet layer, and only in each ingredient with it
Dosage can be only achieved properties in the case where cooperating and reach preferable state.
The performance of embodiment 1-4 and comparative example 1-11 the photovoltaic backboard being prepared is tested, as a result
As shown in table 2.
Table 2
Photovoltaic backboard of the invention is since the addition of outer layer pet layer is so that it has it can be seen from the result of table 2
There are good mechanical performance, good hydrolytic resistance, heat-resisting quantity, ultraviolet ageing performance is obviously improved, and has good resistance
Performance is fired, and the photovoltaic backboard is floride-free, environmental protection.
The Applicant declares that the present invention is explained by the above embodiments photovoltaic backboard and its preparation side of the invention
Method, but the present invention is not limited to the above embodiments, that is, does not mean that the present invention must rely on above-described embodiment and could implement.Institute
Belong to those skilled in the art it will be clearly understood that any improvement in the present invention, to the equivalence replacement of raw material selected by the present invention
And addition, selection of concrete mode of auxiliary element etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (17)
1. a kind of photovoltaic backboard, which is characterized in that the photovoltaic backboard includes four-layer structure, is divided from inside to outside
Film layer, glue layer, intermediate pet layer and outer layer pet layer Wei not be bonded, the outer layer pet layer is mainly by following mass percentage
Ingredient be made:
2. photovoltaic backboard according to claim 1, which is characterized in that the outer layer pet layer is mainly by following matter
The ingredient of amount percentage composition is made:
3. photovoltaic backboard according to claim 1 or 2, which is characterized in that the antioxidant is butylhydroxy
In anisole, 2,6 di tert butyl 4 methyl phenol or propyl gallate any one or at least two combination.
4. photovoltaic backboard according to claim 1 or 2, which is characterized in that the coupling stabilizer is horseradish mistake
Oxidizing ferment and/or aluminium titanium compound.
5. photovoltaic backboard according to claim 1 or 2, which is characterized in that the anti-hydrolysis agent is poly- carbonization two
Imines UN-03 and/or N, N- bis- (2,6- diisopropyl phenyl) carbodiimide.
6. photovoltaic backboard according to claim 1 or 2, which is characterized in that the light stabilizer is hindered amine light
Stabilizer and/or rare earth light stabilizer.
7. photovoltaic backboard according to claim 1 or 2, which is characterized in that the fire retardant be antimony oxide,
In magnesium hydroxide or aluminium hydroxide any one or at least two combination.
8. photovoltaic backboard according to claim 1, which is characterized in that it is described bonding film layer with a thickness of 50-80 μ
m。
9. photovoltaic backboard according to claim 1, which is characterized in that the bonding film layer be PE film layer and/or
EVA film layer.
10. photovoltaic backboard according to claim 1, which is characterized in that the glue layer with a thickness of 8-20 μm.
11. photovoltaic backboard according to claim 1, which is characterized in that the material of the glue layer uses epoxy
Resin and/or acrylic resin.
12. photovoltaic backboard according to claim 1, which is characterized in that the intermediate pet layer is poly- terephthaldehyde
Sour glycol ester and/or Polycarbonate Layer.
13. photovoltaic backboard according to claim 1, which is characterized in that the intermediate pet layer with a thickness of 200-
300μm。
14. photovoltaic backboard according to claim 1 or 2, which is characterized in that the outer layer pet layer with a thickness of
25-50μm。
15. the preparation method of photovoltaic backboard described in any one of -14 according to claim 1, which is characterized in that described
Method the following steps are included:
(1) raw material of outer layer pet layer mixed according to formula ratio, heated, being squeezed out, be granulated and obtain outer layer PET modified plastic rubber
Particle；
(2) the outer layer PET modified plastic rubber particle for obtaining plastic particles used in intermediate pet layer and step (1) is squeezed by two
Machine squeezes out melt liquid out, and is combined into the compound material of two layers of PET by same head；
(3) the coating adhesive water layer on the compound material of two layers of PET that step (2) obtains then is bonded bonding film layer again and obtains institute
State photovoltaic backboard.
16. preparation method according to claim 15, which is characterized in that the temperature of step (1) described heating be 270~
290℃。
17. preparation method according to claim 15, which is characterized in that step (3) the coating adhesive water layer utilizes coating
Machine is completed.
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| CN109943040A (en) * | 2019-03-04 | 2019-06-28 | 常州回天新材料有限公司 | Double-layer structure transparent PET backboard and its processing method |
| CN110667216A (en) * | 2019-09-30 | 2020-01-10 | 常州回天新材料有限公司 | Integrally formed PET co-extrusion transparent back plate |
| CN113563830B (en) * | 2021-09-27 | 2021-11-30 | 苏州通优新材料科技有限公司 | Composite backboard of photovoltaic module |
| CN114395223A (en) * | 2021-12-28 | 2022-04-26 | 上海普利特复合材料股份有限公司 | Hydrolysis-resistant, high-weather-resistance and high-strength glass fiber reinforced PP/PET material for photovoltaic back plate and preparation method thereof |
| CN114806460A (en) * | 2022-06-29 | 2022-07-29 | 江苏鹿山新材料有限公司 | Low-acid type white EVA photovoltaic packaging adhesive film and preparation method thereof |
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| JP2011139022A (en) * | 2009-12-02 | 2011-07-14 | Kaneka Corp | Back sheet for solar cell and solar cell module |
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| US20080053512A1 (en) * | 2006-08-30 | 2008-03-06 | Koji Kawashima | Back sheet for photovoltaic modules and photovoltaic module using the same |
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| JP2011139022A (en) * | 2009-12-02 | 2011-07-14 | Kaneka Corp | Back sheet for solar cell and solar cell module |
| CN102368511A (en) * | 2011-11-15 | 2012-03-07 | 乐凯胶片股份有限公司 | Preparation method of solar cell back film |
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