CN110233185A - A kind of solar battery board machining process - Google Patents
A kind of solar battery board machining process Download PDFInfo
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- CN110233185A CN110233185A CN201910646940.0A CN201910646940A CN110233185A CN 110233185 A CN110233185 A CN 110233185A CN 201910646940 A CN201910646940 A CN 201910646940A CN 110233185 A CN110233185 A CN 110233185A
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920001897 terpolymer Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 239000010456 wollastonite Substances 0.000 claims abstract description 14
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 14
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 13
- 239000003549 soybean oil Substances 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000003475 lamination Methods 0.000 claims abstract description 9
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims abstract description 9
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 5
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 2
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 124
- -1 solar battery sheet Substances 0.000 description 8
- ZRMMVODKVLXCBB-UHFFFAOYSA-N 1-n-cyclohexyl-4-n-phenylbenzene-1,4-diamine Chemical group C1CCCCC1NC(C=C1)=CC=C1NC1=CC=CC=C1 ZRMMVODKVLXCBB-UHFFFAOYSA-N 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 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
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- CHBCHAGCVIMDKI-UHFFFAOYSA-N [F].C=C Chemical group [F].C=C CHBCHAGCVIMDKI-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
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- Power Engineering (AREA)
- Laminated Bodies (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention provides a kind of solar battery board machining process, comprising the following steps: (1) sets gradually solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer from bottom to up；Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer is prepared from the following raw materials: Kynoar, grafting maleic anhydride with ethylene propylene terpolymer, precipitated calcium carbonate, nano silica, epoxidized soybean oil, anti-aging agent；Pet layer is prepared from the following raw materials: PET resin, acicular wollastonite, dcpd resin, antioxidant；(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then material temperature is made to rise to 120-135 DEG C；Lamination pressure is 0.2-0.3MPa, continues 6-9 minutes；(3) cooling.The solar panel that the present invention processes, encapsulation is smooth, and service performance is stablized, and has longer service life.
Description
Technical field
The present invention relates to solar panel processing technique fields, and in particular to a kind of solar battery board machining process.
Background technique
Solar panel (Solar panel) be by absorbing sunlight, by solar radiant energy by photoelectric effect or
Person's photochemical effect is converted directly or indirectly into the device of electric energy, for common batteries and recyclable rechargeable battery, too
Positive energy battery belongs to the green product of more energy efficient environmental protection.
Solar power generation is the dependence got rid of to fossil fuel, reduces one of the important means of greenhouse gas emission.The sun
Energy battery can be divided into system of crystallization, film system, more engagement systems, organic system etc..Current mainstream is that raw material is (single using the system of crystallization of silicon
Crystal silicon, polysilicon), most commonly used market is crystallization silicon type solar battery.Film system solar battery is improved efficiency and is dropped
The leeway of low cost is larger, and CIS type market potential is huge, and organic semiconductor type, coloring matter sensitization type are practical, and it will take time.
Traditional solar panels cross section has five layers: photovoltaic glass, EVA, solar battery sheet, EVA and backboard membrane.Its
Middle solar cell backboard is located at the back side of solar panel, plays protection and supporting role to cell piece, has reliable exhausted
Edge, water preventing ability, resistance to ag(e)ing.Overall performance and service life of the performance of solar cell backboard film for solar battery
All have large effect.
Application No. is the Chinese patent of 201410647884.X disclose a kind of high-barrier back film of solar cell and its
Preparation method, notacoria are inside and outside two layers and middle layer sandwich diaphragm structure, and outer layer is weathering layer, and middle layer is pet layer, internal layer
For adhesive layer, it is connected between outer layer and middle layer and middle layer and internal layer by gluing, outer layer weathering layer is made of following components:
Ethylene-vinyl alcohol copolymer, Fypro, organic siliconresin, triethyl phosphate, silane coupling agent, aramid fiber, curing agent
And solvent.High-barrier back film of solar cell in the invention not only has good weather resistance and corrosion resistance, and
And there is preferable barrier property to gas and moisture, and material is easily processed into type, preparation process is simple, and cost is relatively low, is
A kind of ideal high-barrier back film of solar cell.Although cost is relatively low for it, the resistance to ag(e)ing of backboard film is prepared
Can and intensity be not it is very high, for the environment of some inclement conditions, cannot keep longer service life.
Summary of the invention
The purpose of the present invention is to provide a kind of solar battery board machining process, the solar panel processed,
Its encapsulation is smooth, and service performance is stablized, and has longer service life.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up；
The solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and PET
Gluing is connected between layer, between pet layer and EVA layer；
The weathering layer is made of raw material from the following weight: 100 parts of Kynoar, ethylene propylene diene rubber are grafted Malaysia
10-20 parts of acid anhydrides, 2-5 parts of precipitated calcium carbonate, 0.3-0.8 parts of nano silica, 0.5-1 parts of epoxidized soybean oil, anti-aging agent
0.5-1 parts；
The pet layer is made of raw material from the following weight: 100 parts of PET resin, 6-10 parts of acicular wollastonite, bicyclic penta
2-5 parts of diene resin, 0.5-1 parts of antioxidant；
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 120-135 DEG C；Lamination pressure is 0.2-0.3MPa, continues 6-9 minutes；
(3) cooling, and take out products obtained therefrom.
Preferably, the weathering layer is made of raw material from the following weight: 100 parts of Kynoar, ethylene propylene diene rubber
16 parts of grafted maleic anhydride, 3 parts of precipitated calcium carbonate, 0.7 part of nano silica, 0.8 part of epoxidized soybean oil, 0.6 part of antioxidant.
Preferably, the preparation method of the weathering layer is the following steps are included: weigh each raw material by recipe ratio, then will gather inclined fluorine
Ethylene, grafting maleic anhydride with ethylene propylene terpolymer, precipitated calcium carbonate, nano silica, epoxidized soybean oil, anti-aging agent mixing are equal
It is even, it heats and squeezes out after dry, and stretch and obtain weathering layer.
Preferably, the grafting rate of the grafting maleic anhydride with ethylene propylene terpolymer is 1.2-1.7%.
Preferably, the anti-aging agent is antioxidant 4010 or antioxidant 4020.
Preferably, the pet layer is made of raw material from the following weight: 100 parts of PET resin, 8.5 parts of acicular wollastonite,
3 parts of dcpd resin, 0.7 part of antioxidant.
Preferably, the preparation method of the pet layer is the following steps are included: weigh each raw material by recipe ratio, by PET resin,
Acicular wollastonite, dcpd resin, antioxidant are uniformly mixed, and are heated and are squeezed out after dry, and stretch and obtain pet layer.
Preferably, the antioxidant is irgasfos 168 or antioxidant 1010.
Preferably, by the edge sealing through the periphery setting aluminium alloy frame body of step (3) products obtained therefrom, for product surrounding.
The beneficial effects of the present invention are:
During processing solar panel, the performance for the solar cell backboard film being used for carries out the present invention
Optimization.
Firstly, using traditional material Kynoar as substrate, on this basis, being added when preparing backboard membrane weathering layer
Grafting maleic anhydride with ethylene propylene terpolymer further increases the strength and toughness of weathering layer, and be itself between pet layer it
Between adhesive property reinforce, and reinforce gas and moisture barrier.And suitable precipitated calcium carbonate is added, nano silica makes
Intensity improves, and ageing-resistant performance also can further improve on the basis of anti-aging agent is added.
Secondly, being modified with acicular wollastonite, dcpd resin to it when preparing pet layer, wherein bicyclic penta
Diene resin can increase corrosion resistance and heat-proof quality, and can increase the binding performance of pet layer Yu other film layers, and needle-shaped silicon ash
Stone can make the toughness and strength enhancing of pet layer, and can improve corrosion resistance and dimensional stability.
The solar cell backboard film processed by the method for the invention has excellent barrier property, insulating properties, resistance to
Ageing properties, and intensity and excellent tenacity are on this basis that the solar panel that processing obtains encapsulates smooth, usability
It can stablize, and there is longer service life.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: 100 parts of Kynoar, 16 parts of grafting maleic anhydride with ethylene propylene terpolymer, precipitated calcium carbonate 3
Part, 0.7 part of nano silica, 0.8 part of epoxidized soybean oil, 0.6 part of antioxidant 4010 uniformly mixed, heating extrusion after drying,
And it stretches and obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.5%.
The preparation of pet layer: 100 parts of PET resin, 8.5 parts of acicular wollastonite, 3 parts of dcpd resin, antioxidant 1010
0.7 part is uniformly mixed, and heats and squeezes out after dry, and stretches and obtain pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 125 DEG C；Lamination pressure is 0.28MPa, continues 7 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Embodiment 2:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: by 100 parts of Kynoar, 19 parts of grafting maleic anhydride with ethylene propylene terpolymer, lightweight carbonic acid
3 parts of calcium, 0.4 part of nano silica, 1 part of epoxidized soybean oil, 0.5 part of antioxidant 4010 be uniformly mixed, heat and squeeze after dry
Out, and stretching obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.2%.
The preparation of pet layer: by 100 parts of PET resin, acicular wollastonite 9,4 parts of dcpd resin, irgasfos 168 1
Part is uniformly mixed, and heats and squeezes out after dry, and stretching obtains pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 120 DEG C；Lamination pressure is 0.2MPa, continues 8 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Embodiment 3:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: by 100 parts of Kynoar, 14 parts of grafting maleic anhydride with ethylene propylene terpolymer, lightweight carbonic acid
5 parts of calcium, 0.6 part of nano silica, 0.8 part of epoxidized soybean oil, 0.8 part of antioxidant 4020 be uniformly mixed, heat and squeeze after dry
Out, and stretching obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.5%.
The preparation of pet layer: by 100 parts of PET resin, 10 parts of acicular wollastonite, 2.5 parts of dcpd resin, antioxidant
1010 0.5 parts are uniformly mixed, and heat and squeeze out after dry, and stretch and obtain pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 130 DEG C；Lamination pressure is 0.28MPa, continues 8 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Embodiment 4:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: by 100 parts of Kynoar, 10 parts of grafting maleic anhydride with ethylene propylene terpolymer, lightweight carbonic acid
2 parts of calcium, 0.5 part of nano silica, 0.8 part of epoxidized soybean oil, 0.8 part of antioxidant 4020 be uniformly mixed, heat and squeeze after dry
Out, and stretching obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.7%.
The preparation of pet layer: by 100 parts of PET resin, 10 parts of acicular wollastonite, 3 parts of dcpd resin, irgasfos 168
0.8 part is uniformly mixed, and heats and squeezes out after dry, and stretches and obtain pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 125 DEG C；Lamination pressure is 0.3MPa, continues 6 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Embodiment 5:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: by 100 parts of Kynoar, 16 parts of grafting maleic anhydride with ethylene propylene terpolymer, lightweight carbonic acid
5 parts of calcium, 0.3 part of nano silica, 0.5 part of epoxidized soybean oil, 0.5 part of antioxidant 4010 be uniformly mixed, heat and squeeze after dry
Out, and stretching obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.5%.
The preparation of pet layer: by 100 parts of PET resin, 6 parts of acicular wollastonite, 5 parts of dcpd resin, antioxidant 1010
0.5 part is uniformly mixed, and heats and squeezes out after dry, and stretches and obtain pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 135 DEG C；Lamination pressure is 0.2MPa, continues 7 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Embodiment 6:
A kind of solar battery board machining process, comprising the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up.
Solar cell backboard film is disposed with weathering layer, pet layer layer, EVA layer from bottom to up；Weathering layer and pet layer
Between, gluing is connected between pet layer and EVA layer.
The preparation of weathering layer: by 100 parts of Kynoar, 20 parts of grafting maleic anhydride with ethylene propylene terpolymer, lightweight carbonic acid
4 parts of calcium, 0.8 part of nano silica, 1 part of epoxidized soybean oil, 1 part of antioxidant 4010 uniformly mixed, heating extrusion after drying,
And it stretches and obtains weathering layer.Wherein the grafting rate of grafting maleic anhydride with ethylene propylene terpolymer is 1.2%.
The preparation of pet layer: by 100 parts of PET resin, 8 parts of acicular wollastonite, 2 parts of dcpd resin, irgasfos 168
1 part is uniformly mixed, and heats and squeezes out after dry, and stretches and obtain pet layer.
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then make material temperature
Rise to 105 DEG C；Lamination pressure is 0.25MPa, continues 9 minutes.
(3) cooling, and take out products obtained therefrom；By the periphery setting aluminium alloy frame body of products obtained therefrom, for product surrounding
Edge sealing.
Solar cell backboard film in embodiment 1-3 is tested for the property, concrete outcome is as shown in table 1.
Table 1:
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of solar battery board machining process, which comprises the following steps:
(1) solar cell backboard film, EVA layer, solar battery sheet, EVA layer, glassy layer are set gradually from bottom to up；
The solar cell backboard film is disposed with weathering layer, pet layer, EVA layer from bottom to up；Weathering layer and pet layer it
Between, gluing is connected between pet layer and EVA layer；
The weathering layer is made of raw material from the following weight: 100 parts of Kynoar, grafting maleic anhydride with ethylene propylene terpolymer
10-20 parts, 2-5 parts of precipitated calcium carbonate, nano silica 0.3-0.8 powder, 0.5-1 parts of epoxidized soybean oil, anti-aging agent 0.5-1
Part；
The pet layer is made of raw material from the following weight: 100 parts of PET resin, 6-10 parts of acicular wollastonite, dicyclopentadiene
2-5 parts of resin, 0.5-1 parts of antioxidant；
(2) material folded is placed in vacuum laminator, vacuum laminator is vacuumized, then increase material temperature
To 120-135 DEG C；Lamination pressure is 0.2-0.3MPa, continues 6-9 minutes；
(3) cooling, and take out products obtained therefrom.
2. solar battery board machining process according to claim 1, which is characterized in that the weathering layer is by following weight
The raw material of part is made: 100 parts of Kynoar, 16 parts of grafting maleic anhydride with ethylene propylene terpolymer, precipitated calcium carbonate 3 part, nanometer
0.7 powder of silica, 0.8 part of epoxidized soybean oil, 0.6 part of antioxidant.
3. solar battery board machining process according to claim 1 or 2, which is characterized in that the preparation of the weathering layer
Method the following steps are included: weigh each raw material by recipe ratio, then by Kynoar, grafting maleic anhydride with ethylene propylene terpolymer,
Precipitated calcium carbonate, nano silica, epoxidized soybean oil, anti-aging agent are uniformly mixed, and are heated and are squeezed out after dry, and stretch obtain it is resistance to
Wait layer.
4. solar battery board machining process according to claim 1 or 2, which is characterized in that the ethylene propylene diene rubber
The grafting rate of grafted maleic anhydride is 1.2-1.7%.
5. solar battery board machining process according to claim 1 or 2, which is characterized in that the anti-aging agent is anti-old
Agent 4010 or antioxidant 4020.
6. solar battery board machining process according to claim 1, which is characterized in that the pet layer is by following weight
The raw material of part is made: 100 parts of PET resin, 8.5 parts of acicular wollastonite, 3 parts of dcpd resin, 0.7 part of antioxidant.
7. solar battery board machining process according to claim 1 or 6, which is characterized in that the preparation side of the pet layer
Method is the following steps are included: weigh each raw material by recipe ratio, by PET resin, acicular wollastonite, dcpd resin, antioxidant
It is uniformly mixed, heats and squeeze out after dry, and stretch and obtain pet layer.
8. solar battery board machining process according to claim 1 or 6, which is characterized in that the antioxidant is antioxygen
Agent 168 or antioxidant 1010.
9. solar battery board machining process according to claim 1, which is characterized in that will be through step (3) products obtained therefrom
Periphery setting aluminium alloy frame body, the edge sealing for product surrounding.
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