CN107722875A - A kind of preparation method of the solar cell package material of high-low temperature resistant - Google Patents
A kind of preparation method of the solar cell package material of high-low temperature resistant Download PDFInfo
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- CN107722875A CN107722875A CN201710887870.9A CN201710887870A CN107722875A CN 107722875 A CN107722875 A CN 107722875A CN 201710887870 A CN201710887870 A CN 201710887870A CN 107722875 A CN107722875 A CN 107722875A
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- low temperature
- solar cell
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- temperature resistant
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- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 39
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 39
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims abstract description 34
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 20
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 20
- 239000004014 plasticizer Substances 0.000 claims abstract description 19
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 17
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 16
- 150000002373 hemiacetals Chemical class 0.000 claims abstract description 12
- 239000004611 light stabiliser Substances 0.000 claims abstract description 10
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000008367 deionised water Substances 0.000 claims description 24
- 229910021641 deionized water Inorganic materials 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- 239000002270 dispersing agent Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 3
- KCNIYOMOUYURBQ-UHFFFAOYSA-N 2-[2-(2-decanoyloxyethoxy)ethoxy]ethyl decanoate Chemical group CCCCCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCCCCC KCNIYOMOUYURBQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 229940068984 polyvinyl alcohol Drugs 0.000 abstract 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F16/00—Homopolymers and 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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F16/02—Homopolymers and 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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
- C08F16/04—Acyclic compounds
- C08F16/06—Polyvinyl alcohol ; Vinyl alcohol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/28—Condensation with aldehydes or ketones
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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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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- 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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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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- Photovoltaic Devices (AREA)
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Abstract
The invention discloses a kind of preparation method of the solar cell package material of high-low temperature resistant, is specially：Poly-vinyl alcohol solution is prepared first, then adds inorganic acid, and carries out hemiacetal reaction at a certain temperature with n butyraldehyde aldolization, then carries out aldolisation again, and polyvinyl butyral resin is made；Ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light stabilizer are added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made.Encapsulating material high and low temperature resistance produced by the present invention is good, and weatherability is good, prepares simply, energy consumption is low.
Description
Technical field：
The present invention relates to encapsulating material field, a kind of system of the solar cell package material of high-low temperature resistant is specifically related to
Preparation Method.
Background technology：
In recent years, the output of China's solar cell is increased with very surprising quantity, makes related encapsulating material and skill
The research and development of art seem more and more important.Because solar battery sheet can not be directly exposed to the natural bar such as sunlight, rainwater
Under part, therefore, the practical application of solar power generation is realized it is necessary to carry out protectiveness encapsulation to it, and form battery component.It is special
It is not that polymer solar battery is extremely sensitive for oxygen, water, it is desirable to the good water and oxygen barrier property of encapsulating material.At present,
Solar cell typically makees encapsulating material using EVA (ethylene-vinyl acetate copolymer), though this encapsulation can meet solar-electricity
The basic demand of pond encapsulation, but many deficiencies are still suffered from, such as high and low temperature resistance is poor, weatherability is bad.
Polyvinyl butyral resin (PVB) is that a kind of compliance is good, transparency is high, bonding force is strong, weatherability is strong, film forming
Good, the material of excellent impact resistance all has preferable adhesive property to materials such as glass, metal, timber, is mainly used in interlayer
Glass and safety glass field.PVB just has begun to be used for solar cell package material in the seventies, its uvioresistant, resists and wears
Thoroughly good with glass bonding force, be usually modified that its key is polyvinyl butyral resin to EVA with it efficiently synthesizes technology.
Patent 201080017166.4 discloses the continuous production of polyvinyl butyral resin, is specially：Polyvinyl alcohol is connected
Afterflow is added to the high-shear mixer；Butyraldehyde continuous stream is added to the high-shear mixer；Mixed in the high shear
The polyvinyl alcohol stream and the butyraldehyde stream are mixed in the region of clutch, wherein with least 20s-1Shear rate carry out it is described mixed
Step is closed, is higher than wherein the polyvinyl alcohol stream is at a temperature of 95 DEG C；And handle from the high-shear mixer
The polyvinyl butyral resin.Although this method relative to traditional handicraft eliminate it is at least one cooling and heat cycles and
The amount of energy needed for reducing, but its hybrid reaction temperature is higher, energy consumption is big.
The content of the invention：
In view of the shortcomings of the prior art, the invention provides a kind of preparation of the solar cell package material of high-low temperature resistant
Method, the preparation method is simple, and energy consumption is low, and obtained encapsulating material high and low temperature resistance is good, excellent shock resistance, electric insulation
Function admirable, service life are long.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, inorganic acid is added, mixed liquor A is made after being well mixed；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, hemiacetal is carried out at 50-80 DEG C
Reaction, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation is carried out at 30-60 DEG C, after reaction terminates,
Centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made.
As the preferred of above-mentioned technical proposal, in step (1), polyvinyl alcohol, the mass ratio of deionized water are 1：(8-10).
As the preferred of above-mentioned technical proposal, in step (1), the inorganic acid is the matter of hydrochloric acid, hydrochloric acid and polyvinyl alcohol
It is (0.05-0.5) to measure ratio：1.
As the preferred of above-mentioned technical proposal, the mass ratio of n-butanal and polyvinyl alcohol is (0.5-1.8)：1.
As the preferred of above-mentioned technical proposal, in step (2), the time of the hemiacetal reaction is 10-60s.
As the preferred of above-mentioned technical proposal, in step (2), the time of the aldolisation is 0.5-6h.
As the preferred of above-mentioned technical proposal, the molecular weight of the polyvinyl alcohol is 1.8-2 × 104。
As the preferred of above-mentioned technical proposal, in step (3), each component dosage is respectively in parts by weight：Ethylene vinyl acetate
Vinyl acetate 60-80 parts, polyvinyl butyral resin 15-20 parts, nano titanium oxide 1-4 parts, dispersant 0.01-0.03 parts, tristearin
Sour zinc 1-2 parts, plasticizer 1-3 parts, light stabilizer 0.1-1.5 parts.
As the preferred of above-mentioned technical proposal, in step (3), the plasticizer is triethylene glycol dicaprate.
As the preferred of above-mentioned technical proposal, in step (3), the dispersant is maleic anhydride grafted polyethylene.
The invention has the advantages that：
The present invention prepares polyvinyl butyral resin using the method for staged reaction first, using hydrochloric acid and polyvinyl alcohol water
Solution mixes, and then adds n-butanal, carries out hemiacetal at a certain temperature, accelerates reaction rate, shortens the reaction time；
By adjusting reaction condition when second stage is reacted, the acetalizing degree of product is further improved, obtained polyvinyl butyral resin is steady
Qualitative good, high and low temperature resistance is excellent；
In addition, the present invention adds appropriate nano titanium oxide in encapsulating material, the resistance to of encapsulating material is effectively improved
Performance is waited, in order to improve the compatibility of nano titanium oxide and matrix, present invention addition maleic anhydride grafted polyethylene, which is used as, to be divided
Powder, what it had a maleic anhydride polar molecule can be reactive and highly polar again, can be with the activity on nano titanium oxide surface
Group is bonded, but also the good workability with polyethylene and other excellent properties, reasonable adjusting dispersant of the present invention
With the addition of nano titanium oxide so that obtained encapsulating material excellent performance, and service life is long；Envelope produced by the present invention
Package material also has excellent shock resistance, and preparation method is simple, and energy consumption is low.
Embodiment：
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be formed to the present invention.
Embodiment 1
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：8；Hydrochloric acid with
The mass ratio of polyvinyl alcohol is 0.05：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 50 DEG C
60s is answered, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 6h is carried out at 30 DEG C, after reaction terminates,
Centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, n-butanal
Mass ratio with polyvinyl alcohol is 0.5：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：60 parts of ethylene vinyl acetate, 15 parts of polyvinyl butyral resin, 1 part of nano titanium oxide, dispersant 0.01
Part, 1 part of zinc stearate, 1 part of plasticizer, 0.1 part of light stabilizer.
Embodiment 2
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：10；Hydrochloric acid with
The mass ratio of polyvinyl alcohol is 0.5：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 80 DEG C
10s is answered, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 0.5h is carried out at 60 DEG C, reaction terminates
Afterwards, centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, just
The mass ratio of butyraldehyde and polyvinyl alcohol is 1.8：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：80 parts of ethylene vinyl acetate, 20 parts of polyvinyl butyral resin, 4 parts of nano titanium oxide, dispersant 0.03
Part, 2 parts of zinc stearate, 3 parts of plasticizer, 1.5 parts of light stabilizer.
Embodiment 3
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：8.5；Hydrochloric acid
Mass ratio with polyvinyl alcohol is 0.1：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 55 DEG C
50s is answered, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 1h is carried out at 35 DEG C, after reaction terminates,
Centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, n-butanal
Mass ratio with polyvinyl alcohol is 0.8：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：65 parts of ethylene vinyl acetate, 16 parts of polyvinyl butyral resin, 2 parts of nano titanium oxide, dispersant
0.015 part, 1.2 parts of zinc stearate, 1.5 parts of plasticizer, 0.3 part of light stabilizer.
Embodiment 4
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：9；Hydrochloric acid with
The mass ratio of polyvinyl alcohol is 0.2：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 65 DEG C
40s is answered, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 5h is carried out at 40 DEG C, after reaction terminates,
Centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, n-butanal
Mass ratio with polyvinyl alcohol is 1.3：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：70 parts of ethylene vinyl acetate, 17 parts of polyvinyl butyral resin, 2 parts of nano titanium oxide, dispersant 0.02
Part, 1.4 parts of zinc stearate, 2 parts of plasticizer, 0.5 part of light stabilizer.
Embodiment 5
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：9；Hydrochloric acid with
The mass ratio of polyvinyl alcohol is 0.3：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 70 DEG C
40s is answered, obtains mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 2h is carried out at 40 DEG C, after reaction terminates,
Centrifugal treating, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, n-butanal
Mass ratio with polyvinyl alcohol is 1.5：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：70 parts of ethylene vinyl acetate, 18 parts of polyvinyl butyral resin, 3 parts of nano titanium oxide, dispersant 0.02
Part, 1.6 parts of zinc stearate, 2 parts of plasticizer, 0.8 part of light stabilizer.
Embodiment 6
A kind of preparation method of the solar cell package material of high-low temperature resistant, comprises the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room
Temperature, hydrochloric acid is added, mixed liquor A is made after being well mixed；Wherein, polyvinyl alcohol, the mass ratio of deionized water are 1：9.5；Hydrochloric acid
Mass ratio with polyvinyl alcohol is 0.4：1；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 75 DEG C
20s, obtain mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation 1h is carried out at 50 DEG C, after reaction terminates, from
Heart processing, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；Wherein, n-butanal and
The mass ratio of polyvinyl alcohol is 1.7：1；
(3) it is ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light is steady
Determine agent to be added in high mixer, extruded after well mixed by dual-screw-stem machine, encapsulating material is made；Wherein, each component dosage is with weight
Amount part, which is counted, is respectively：75 parts of ethylene vinyl acetate, 19 parts of polyvinyl butyral resin, 3.5 parts of nano titanium oxide, dispersant
0.025 part, 1.8 parts of zinc stearate, 2.5 parts of plasticizer, 1.3 parts of light stabilizer.
Encapsulating material obtained above is subjected to performance test, test result is as follows：
Encapsulating material ageing-resistant performance produced by the present invention is excellent it can be seen from above-mentioned test result, resistant of high or low temperature
Can be good, electrical insulation capability is excellent.
Claims (10)
1. the preparation method of the solar cell package material of a kind of high-low temperature resistant, it is characterised in that comprise the following steps：
(1) polyvinyl alcohol and deionized water are stirred, are stirred at 95 DEG C to solid dissolving, be subsequently cooled to room temperature, add
Enter inorganic acid, mixed liquor A is made after being well mixed；
(2) it is added to after mixed liquor A and n-butanal being mixed evenly in reactor 1, it is anti-that hemiacetal is carried out at 50-80 DEG C
Should, obtain mixed liquid B；Mixed liquid B is transferred in reactor 2, aldolisation is carried out at 30-60 DEG C, after reaction terminates, from
Heart processing, obtained solid are washed with deionized water, absolute ethyl alcohol successively, and polyvinyl butyral resin is made；
(3) by ethylene vinyl acetate, polyvinyl butyral resin, nano titanium oxide, zinc stearate, plasticizer, light stabilizer
It is added in high mixer, is extruded after well mixed by dual-screw-stem machine, encapsulating material is made.
A kind of 2. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (1), polyvinyl alcohol, the mass ratio of deionized water are 1：(8-10).
A kind of 3. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (1), the inorganic acid is hydrochloric acid, and the mass ratio of hydrochloric acid and polyvinyl alcohol is (0.05-0.5)：1.
A kind of 4. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
The mass ratio of n-butanal and polyvinyl alcohol is (0.5-1.8)：1.
A kind of 5. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (2), the time of the hemiacetal reaction is 10-60s.
A kind of 6. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (2), the time of the aldolisation is 0.5-6h.
A kind of 7. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
The molecular weight of the polyvinyl alcohol is 1.8-2 × 104。
A kind of 8. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (3), each component dosage is respectively in parts by weight：Ethylene vinyl acetate 60-80 parts, polyvinyl butyral resin 15-
20 parts, nano titanium oxide 1-4 parts, dispersant 0.01-0.03 parts, zinc stearate 1-2 parts, plasticizer 1-3 parts, light stabilizer
0.1-1.5 parts.
A kind of 9. preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, it is characterised in that：
In step (3), the plasticizer is triethylene glycol dicaprate.
10. a kind of preparation method of the solar cell package material of high-low temperature resistant as claimed in claim 1, its feature exist
In：In step (3), the dispersant is maleic anhydride grafted polyethylene.
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| CN110591605A (en) * | 2019-09-16 | 2019-12-20 | 升信新材（北京）科技有限公司 | Packaging adhesive film for MWT solar cell and preparation method thereof |
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