CN109065653A - A kind of five-layer co-squeezing solar cell backboard and preparation method thereof containing PP - Google Patents
A kind of five-layer co-squeezing solar cell backboard and preparation method thereof containing PP Download PDFInfo
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- CN109065653A CN109065653A CN201810806685.7A CN201810806685A CN109065653A CN 109065653 A CN109065653 A CN 109065653A CN 201810806685 A CN201810806685 A CN 201810806685A CN 109065653 A CN109065653 A CN 109065653A
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- solar cell
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
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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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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention discloses a kind of five-layer co-squeezing solar cell backboard and preparation method thereof containing PP, belongs to solar cell backboard technical field.It includes outer weathering layer, outer adhesive layer, structure enhancement layer, interior adhesive layer and interior weathering layer, and outer weathering layer and structure enhancement layer are fixed together by outer adhesive layer, and structure enhancement layer and interior weathering layer are fixed together by interior adhesive layer；Layers of material is melted in different runners using coextrusion process and converges simultaneously direct extrusion molding by the present invention, and operating procedure is simple, is not readily separated and falls off between adhesive layer.Preparation method of the present invention can not only simplify processing technology, and prepared backboard also has good weatherability, mechanical performance and long-time stability, while organic solvent, environment-friendly and green are not used in preparation process.
Description
Technical field
The invention belongs to solar cell backboard fields, and in particular to a kind of five-layer co-squeezing solar cell backboard containing PP
And preparation method thereof.
Background technique
In recent years due to the exhaustion of Global Environmental Problems and fossil fuel, solar energy is as a kind of cleanliness without any pollution, resource
The most abundant renewable energy and get more and more people's extensive concerning.Solar battery is solar energy can be converted into electric energy
Efficient apparatus.Solar battery is under long-term outdoor wind and weather, the erosion environment of the natural causes such as ultraviolet light, solar energy
Battery back-sheet should use the backboard with excellent weatherability and durability, convenient for protection solar battery, extend its use
Service life.
Now solar energy backboard in the market generally has five-layer structure: outer layer/outer adhesive layer/middle layer/interior adhesive layer/interior
Layer.Wherein, outer protective layer is fluoropolymer layer, has good weatherability and environment resistant erosiveness, middle layer is poly-
Ethylene glycol terephthalate (PET) film layer has good insulation performance and mechanical property, and internal layer is fluoropolymer layer
Or polyolefin layer.But PET crystallization rate is slow, crystallizes after there are problems that, it is necessary to be formed by stretch processes, there is also resistance to
Hot property is poor, water absorption rate is high, the shortcomings that dusting can occur after long-time.Moreover, because fluorine material surface can be very low, it is difficult with
PET base film layer is bonded, and is mostly by the way of smearing layer of polyurethane binder by two kinds of Film laminateds, but this preparation
There are more insufficient and defects for method.This means need first to smear layer of polyurethane bonding agent in PET film surface side, consolidate
After changing processing drying, then bonding agent and compound another tunic, entire manufacturing process is smeared to the other side, multistep is needed to complete, process
Complexity, operation cycle are long；The thickness of adhesive phase is generally relatively thin, and adhesive strength and weatherability are poor, after the process of long-time service
The phenomenon that degrading, leading to interlaminar separation and fall off, and then solar cell module can be made to scrap because losing protection；Together
When usually using adhesive adhesive is dissolved using a large amount of solvent, solvent volatilization in process can cause one to environment
, there is safety and environmental protection in fixed pollution.In contrast, polypropylene (PP) resin price material benefit, heat resistance is more preferable, also has
There are the small light weight of density, nonhygroscopic advantage.
The Patent No. Z201110380482.4 of Ningbo Changyang Technology Co., Ltd. discloses a kind of solar cell backboard
And preparation method thereof, it is multi-layer co-extruded that it for weathering layer, PET is structure enhancement layer which, which uses PETG, EVOH is that barrier layer carries out,
Without using bonding agent, but the weatherability of PETG material and environment resistant aggressivity be much not as good as fluorine material, while between each layer
It does not use bonding agent under prolonged use, is easy to appear the segregation phenomenon that falls off between layers yet.
The shareholder Hangzhou Fu Mo new material Science and Technology Co., Ltd. of applicant possesses that application No. is 201010536756.X
Chinese patent, it discloses a kind of material special for polyvinylidene fluoride film, can be used for preparing have excellent weather resistance, low water vapour it is saturating
The polyvinylidene difluoride film for crossing rate, excellent in mechanical performance is applied in solar cell backboard and extraordinary effect can be achieved.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of the prior art and provide a kind of five-layer co-squeezing solar energy containing PP
Battery back-sheet and preparation method thereof, adhesive layer no longer use traditional coating processes, but directly melted with other layers co-extrusion at
Type can reduce production cost while guaranteeing product excellent properties, simplify preparation process, enhance the bonding before each layer
Property, it is less prone to layering or falls off, guarantee the long-term weatherability of solar cell backboard.
To achieve the above object of the invention, the technical solution adopted by the present invention is that: a kind of five-layer co-squeezing solar-electricity containing PP
Pond backboard, it is characterised in that: from outside to inside successively include outer weathering layer, outer adhesive layer, structure enhancement layer, interior adhesive layer and Nei Nai
Layer is waited, outer weathering layer and structure enhancement layer are fixed together by outer adhesive layer, and structure enhancement layer and interior weathering layer are glued by interior
Layer is connect to be fixed together；
The outer weathering layer be modified polyvinilidene fluoride layer, include: in parts by weight 60-75 parts of Kynoar, 5-10 parts receive
Scaled fillers, 0.5-3.5 part flow ability modifying agent, 10-20 parts of reinforced resins, 5-10 parts of inorganic fillers, 0.1-2 parts of heat stabilizers；
It is sweet that the outer adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate shrinks
It is grease copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane；
The structure enhancement layer be modified polypropene layer, include: in parts by weight 80-95 parts of polypropylene, 0.5-5 parts of coupling agents,
0.1-2 parts of antioxidant；
It is sweet that the interior adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate shrinks
It is grease copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane；
The interior weathering layer is modified polyvinilidene fluoride layer or modified poly ethylene layer；The modified polyvinilidene fluoride layer is by weight
Number includes: 60-75 parts of Kynoar, 5-10 parts of nano-sized fillers, 0.5-3.5 parts of flow ability modifying agents, 10-20 parts of enhancing trees
Rouge, 5-10 part inorganic filler, 0.1-2 parts of heat stabilizers；The modified poly ethylene layer includes: 65-85 parts linear in parts by weight
Low density polyethylene (LDPE), 10-25 part low density polyethylene (LDPE), 1-5 parts of EVA elastomers, 3-5 parts of titanium dioxides, 0.1-2 parts of antioxidant,
0.1-1 parts of light stabilizers.
When interior weathering layer of the present invention is modified polyvinilidene fluoride layer, interior adhesive layer is acrylate-methacrylic acid
Glycidyl ester copolymer layer, ethylene-vinyl acetate copolymer layer, gathers ethylene-methyl methacrylate glycidyl ester copolymer layer
It is any in urethane layer；When the interior weathering layer is modified poly ethylene layer, interior adhesive layer is ethylene-vinyl acetate copolymer layer.
In outer weathering layer of the present invention and interior weathering layer, the flow ability modifying agent be phthalic acid ester dimethyl ester,
Phthalic acid ester diethylester, dibutylphthalate, phthalic acid ester dihexyl, phthalic acid ester dioctyl ester,
Phthalic acid ester di-isooctyl, triethyl phosphate, tributyl phosphate, is appointed in trioctyl phosphate at dicyclohexyl phthalate
One kind is appointed several.
In outer adhesive layer of the present invention and interior adhesive layer, the acrylate be methyl acrylate, ethyl acrylate,
Butyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, ethyl methacrylate, butyl methacrylate, metering system
In sour dimethylaminoethyl it is any or appoint it is several.
In outer weathering layer of the present invention and interior weathering layer, the inorganic filler is silica, titanium dioxide, carbonic acid
Any one of calcium, barium sulfate, zinc sulphide are appointed several.
In outer weathering layer of the present invention and interior weathering layer, the nano-sized filler is nanometer grade silica and/or receives
Meter level calcium carbonate.
In outer weathering layer of the present invention and interior weathering layer, the reinforced resin is acrylic resin and/or first
Base acrylic resin.
In outer weathering layer of the present invention and interior weathering layer, the heat stabilizer is dibutyl tin dilaurate, maleic acid
Dioctyltin, bis- (butyl maleate) dibutyl tins, bis- (lauryl mercaptan) dibutyl tins, S, S '-is bis-, and (thio Glycolic acid is different
Monooctyl ester) dibutyl tin, Bis(lauroyloxy)dioctyltin, calcium stearate, magnesium stearate, lithium stearate, zinc stearate, stearic acid
Any one of aluminium, double stearic acid aluminium, calcium laurate, zinc laurate, ricinoleic acid calcium, 2- zinc ethyl hexanoate are appointed several.
In modified polypropene layer of the present invention, the coupling agent is silane coupling agent, and antioxidant is antioxidant 1010, resists
Any one of oxygen agent 168, antioxidant 264, antioxidant BHT, anti-oxidant DLTP；In the modified poly ethylene layer, antioxidant is
Antioxidant 1010, irgasfos 168, antioxidant 264, any in antioxidant BHT, light stabilizer is that light stabilizer 770, light are stablized
It is agent 292, light stabilizer 622LD, any in light stabilizer 944.
A kind of preparation method of the five-layer co-squeezing solar cell backboard containing PP, it is characterised in that: specifically include following steps
It is rapid:
(1) use high-speed mixer by Kynoar, nano-sized filler, flow ability modifying agent, reinforced resin, inorganic filler and heat
Under stabilizer room temperature after mechanical mixture 5-10 minutes, melting extrusion granulation, extrusion temperature 200- are carried out using double screw extruder
230 DEG C, screw speed 200-350rpm obtains modified polyvinilidene fluoride pellet, is used as outer weathering layer；
(2) using high-speed mixer by after polypropylene, coupling agent and antioxidant at normal temperature mechanical mixture 5-10 minutes, using double
Screw extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains being modified poly- third
Alkene pellet is used as structure enhancement layer；
(3) when the interior weathering layer is modified polyvinilidene fluoride layer, Kynoar, nanoscale are filled out using high-speed mixer
Under material, flow ability modifying agent, reinforced resin, inorganic filler and heat stabilizer room temperature after mechanical mixture 5-10 minutes, using twin-screw
Extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains modified polyvinilidene fluorine second
Alkene pellet；
When the interior weathering layer is modified poly ethylene layer, using high-speed mixer by linear low density polyethylene, low density polyethylene
Alkene, EVA elastomer, titanium dioxide, antioxidant and light stabilizer are at normal temperature after mechanical mixture 5-10 minutes, using twin-screw extrusion
Machine carries out melting extrusion granulation, 180-210 DEG C of extrusion temperature, obtains modified poly ethylene layer pellet；
(4) the obtained each layer pellet of step 1-3 and outer adhesive layer pellet, interior adhesive layer pellet are separately added into respective extruder
In, converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed, cools down, draws, cuts through chill roll
The five-layer co-squeezing solar cell backboard containing PP is made in side, winding.
Compared with prior art, the present invention having the following advantages that and effect:
1, polypropylene layer is selected to be used as structure enhancement layer, PP has excellent heat resistance, nonhygroscopic, and price is economical, light weight,
Therefore the solar cell backboard prepared using the above scheme has nonhygroscopic, heat resistance and good weatherability, production cost low
Advantage；
2, outer adhesive layer and interior adhesive layer are copolymer layer, dissolve bonding agent without using solvent in preparation process, are also not present
The solvent in later period volatilizees, and avoids traditional preparation process to environment bring safety and environmental issue；
3, it is combined together by way of melting co-extrusion between each layer, adhesive layer and structure enhancement layer, weather-proof layer surface exist
Melting and chemical reaction, are bonded between each layer more secured, and the thickness of adhibited layer for being less prone to traditional coating method is irregular, is layered
Phenomena such as falling off, the weatherability of product is excellent, can more meet the need of solar cell backboard product weatherability in a long time
It wants, guarantees the service efficiency of solar battery；
4, solar cell backboard is prepared in the form of five-layer co-squeezing, breaks through traditional preparation process, adhesive layer is avoided to be coated with
With the process of structure enhancement layer, operating procedure is simplified, and each thickness degree of backboard, performance are controllable, it is easy to accomplish extensive,
It automates, the production of serialization, high production efficiency is a kind of novel solar battery backboard haveing excellent performance.
Specific embodiment
Below by embodiment, the present invention is described in further detail, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
A kind of five-layer co-squeezing solar cell backboard containing PP, including it is outer weathering layer, outer adhesive layer, structure enhancement layer, interior
Adhesive layer and interior weathering layer, outer weathering layer and structure enhancement layer are fixed together by outer adhesive layer, structure enhancement layer and Nei Nai
Layer is waited to be fixed together by interior adhesive layer.
Outer weathering layer be modified polyvinilidene fluoride layer, include: in parts by weight 60-75 parts of Kynoar, 5-10 parts receive
Scaled fillers, 0.5-3.5 part flow ability modifying agent, 10-20 parts of reinforced resins, 5-10 parts of inorganic fillers, 0.1-2 parts of heat stabilizers.
Further, any integer of the specific value of the parts by weight of Kynoar between 60-75；The weight of nano-sized filler
Any integer of the specific value of number between 5-10；The specific value of the parts by weight of flow ability modifying agent is 0.1 × A, A's
Any integer of the value range between 5-35；The specific value of the parts by weight of reinforced resin is any whole between 10-20
Number；Any integer of the specific value of the parts by weight of inorganic filler between 5-10；The parts by weight of heat stabilizer it is specific
Numerical value is 0.1 × B, any integer of the value range of B between 1-20.
It is sweet that outer adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate shrinks
It is grease copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane.
Structure enhancement layer be modified polypropene layer, include: in parts by weight 80-95 parts of polypropylene, 0.5-5 parts of coupling agents,
0.1-2 parts of antioxidant.Further, any integer of the specific value of polyacrylic parts by weight between 80-95；Coupling agent
Parts by weight specific value be 0.1 × C, any integer of the value range of C between 5-50；The parts by weight of antioxidant
Specific value be 0.1 × D, any integer of the value range of D between 1-20
Interior adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate ethylene oxidic ester
Copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane
Interior weathering layer is modified polyvinilidene fluoride layer or modified poly ethylene layer；Modified polyvinilidene fluoride layer includes: in parts by weight
60-75 parts of Kynoar, 5-10 parts of nano-sized fillers, 0.5-3.5 parts of flow ability modifying agents, 10-20 parts of reinforced resins, 5-10 parts
Inorganic filler, 0.1-2 parts of heat stabilizers；Modified poly ethylene layer include: in parts by weight 65-85 parts of linear low density polyethylene,
10-25 parts of low density polyethylene (LDPE)s, 1-5 parts of EVA elastomers, 3-5 parts of titanium dioxides, 0.1-2 parts of antioxidant, 0.1-1 parts of light stabilizers.
Further, in modified polyvinilidene fluoride layer, the specific value of the parts by weight of Kynoar is any whole between 60-75
Number；Any integer of the specific value of the parts by weight of nano-sized filler between 5-10；The parts by weight of flow ability modifying agent
Specific value is 0.1 × E, any integer of the value range of E between 5-35；The specific value of the parts by weight of reinforced resin
Any integer between 10-20；Any integer of the specific value of the parts by weight of inorganic filler between 5-10；Thermostabilization
The specific value of the parts by weight of agent is 0.1 × F, any integer of the value range of F between 1-20.Further, modified
In polyethylene layer, any integer of the specific value of the parts by weight of linear low density polyethylene between 65-85；Low-density is poly-
Any integer of the specific value of the parts by weight of ethylene between 10-25；The specific value of the parts by weight of EVA elastomer is
Any integer between 1-5；Any integer of the specific value of the parts by weight of titanium dioxide between 3-5；The weight of antioxidant
The specific value of number is 0.1 × G, any integer of the value range of G between 1-20；The tool of the parts by weight of light stabilizer
Body numerical value is 0.1 × H, any integer of the value range of H between 1-10.
When interior weathering layer is modified polyvinilidene fluoride layer, interior adhesive layer is acrylate-glycidyl ester
Copolymer layer, ethylene-vinyl acetate copolymer layer, is appointed in layer of polyurethane at ethylene-methyl methacrylate glycidyl ester copolymer layer
It is a kind of；When the interior weathering layer is modified poly ethylene layer, interior adhesive layer is ethylene-vinyl acetate copolymer layer.
In outer weathering layer and interior weathering layer, flow ability modifying agent is phthalic acid ester dimethyl ester, phthalic acid ester two
Ethyl ester, dibutylphthalate, phthalic acid ester dihexyl, phthalic acid ester dioctyl ester, phthalic acid ester two
It is different monooctyl ester, dicyclohexyl phthalate, triethyl phosphate, tributyl phosphate, any in trioctyl phosphate or appoint several.
In outer adhesive layer and interior adhesive layer, acrylate is methyl acrylate, ethyl acrylate, butyl acrylate, third
The different monooctyl ester of olefin(e) acid, methyl methacrylate, ethyl methacrylate, butyl methacrylate, dimethylaminoethyl second
In ester it is any or appoint it is several.
In outer weathering layer and interior weathering layer, inorganic filler is silica, titanium dioxide, calcium carbonate, barium sulfate, zinc sulphide
Any one of or appoint it is several.
In outer weathering layer and interior weathering layer, nano-sized filler is nanometer grade silica and/or nanometer grade calcium carbonate.
In outer weathering layer and interior weathering layer, reinforced resin is acrylic resin and/or methacrylate-based resin.
In outer weathering layer and interior weathering layer, heat stabilizer is dibutyl tin dilaurate, maleic acid dioctyltin, double
(butyl maleate) dibutyl tin, bis- (lauryl mercaptan) dibutyl tins, S, bis- (the thio different monooctyl ester of the Glycolic acid) dibutyl of S '-
Tin, Bis(lauroyloxy)dioctyltin, calcium stearate, magnesium stearate, lithium stearate, zinc stearate, aluminum stearate, double stearic acid
Any one of aluminium, calcium laurate, zinc laurate, ricinoleic acid calcium, 2- zinc ethyl hexanoate are appointed several.
In modified polypropene layer, coupling agent is silane coupling agent, and antioxidant is antioxidant 1010, irgasfos 168, antioxidant
264, any one of antioxidant BHT, anti-oxidant DLTP；In modified poly ethylene layer, antioxidant is antioxidant 1010, antioxidant
168, antioxidant 264, any in antioxidant BHT, light stabilizer is light stabilizer 770, light stabilizer 292, light stabilizer
It is any in 622LD, light stabilizer 944.
Vinyl acetate content is 35-55% in ethylene-vinyl acetate copolymer layer.
In outer weathering layer and interior weathering layer, the molecular weight of Kynoar is 20-100 ten thousand.
Epoxy-functional is had in glycidyl methacrylate, it can be with polybutylene terephthalate (PBT) generation official
Reaction can be rolled into a ball, therefore resulting adhesive layer can play cementation to Kynoar and polybutylene terephthalate (PBT).
Ethylene-vinyl acetate copolymer self cohesion is big, and melt surface tension is small, has good adhesiveness, can
Weathering layer and structure enhancement layer are bonded together.
Contain polar group in polyurethane structural, hydrogen bond action can be generated between glued material keeps bonding more firm
Gu.
A kind of preparation method of the five-layer co-squeezing solar cell backboard containing PP, specifically include the following steps:
(1) use high-speed mixer by Kynoar, nano-sized filler, flow ability modifying agent, reinforced resin, inorganic filler and heat
Under stabilizer room temperature after mechanical mixture 5-10 minutes, melting extrusion granulation, extrusion temperature 200- are carried out using double screw extruder
230 DEG C, screw speed 200-350rpm obtains modified polyvinilidene fluoride pellet, is used as outer weathering layer；
(2) using high-speed mixer by after polypropylene, coupling agent and antioxidant at normal temperature mechanical mixture 5-10 minutes, using double
Screw extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains being modified poly- third
Alkene pellet is used as structure enhancement layer；
(3) when the interior weathering layer is modified polyvinilidene fluoride layer, Kynoar, nanoscale are filled out using high-speed mixer
Under material, flow ability modifying agent, reinforced resin, inorganic filler and heat stabilizer room temperature after mechanical mixture 5-10 minutes, using twin-screw
Extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains modified polyvinilidene fluorine second
Alkene pellet；
When the interior weathering layer is modified poly ethylene layer, using high-speed mixer by linear low density polyethylene, low density polyethylene
Alkene, EVA elastomer, titanium dioxide, antioxidant and light stabilizer are at normal temperature after mechanical mixture 5-10 minutes, using twin-screw extrusion
Machine carries out melting extrusion granulation, 180-210 DEG C of extrusion temperature, obtains modified poly ethylene layer pellet；
(4) the obtained each layer pellet of step 1-3 and outer adhesive layer pellet, interior adhesive layer pellet are separately added into respective extruder
In, converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed, cools down, draws, cuts through chill roll
The five-layer co-squeezing solar cell backboard containing PP is made in side, winding, which also has good weatherability, mechanicalness
Energy and long-time stability, while organic solvent, environment-friendly and green are not used in preparation process.
Embodiment:
Nano-sized filler is nanometer calcium carbonate in modified polyvinilidene fluoride layer formula in following embodiments, and flow ability modifying agent is adjacent benzene
Diformazan dioctyl phthalate (DOP), reinforced resin are the combination of a kind of methacrylic resin and a kind of acrylic resin, inorganic filler
For titanium dioxide (TiO2), heat stabilizer is the combination of dibutyitin maleate (DBTM) and calcium stearate.Modified polypropene layer
Silane coupling agent is KH570 in formula, and antioxidant is antioxidant 1010.Antioxidant is antioxidant in modified poly ethylene layer formula
1010, light stabilizer is light stabilizer 770.
Embodiment 1
A kind of five-layer co-squeezing solar cell backboard containing PP, specific preparation process are as follows:
(1) use high-speed mixer by 75 parts of Kynoar, 5 parts of nanometer calcium carbonates, 3.5 parts of DOP, 4 parts in parts by weight
Methacrylic resin, 6 parts of acrylic resins, 5 parts of TiO2, 1 part of DBTM, 0.5 part of calcium stearate mechanical mixture 5- at normal temperature
After ten minutes, melting extrusion being carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed 200-350rpm,
It is granulated after extrusion and modified polyvinilidene fluoride pellet is made；
(2) using high-speed mixer by parts by weight 94 parts of polypropylene, 5 parts of KH570 and 1 part of antioxidant 1010s at normal temperature
After mechanical mixture 5-10 minutes, melting extrusion is carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed
200-350rpm is granulated after extrusion and modified polypropene pellet is made；
It (3) is respectively modified polyvinilidene fluoride according to outer weathering layer, outer adhesive layer, structure enhancement layer, interior adhesive layer, interior weathering layer
Pellet, glycidyl methacrylate-methylmethacrylate copolymer material, modified polypropene layer pellet, methacrylic acid
Each layered material is separately added into and respectively squeezes by ethylene oxidic ester-methylmethacrylate copolymer material, modified polyvinilidene fluoride layer pellet
Out in machine, converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed through chill roll, is cooling, led
Draw, the five-layer co-squeezing solar cell backboard containing PP is made in trimming, winding.
Embodiment 2
A kind of five-layer co-squeezing solar cell backboard containing PP, specific preparation process are as follows:
(1) use high-speed mixer by 75 parts of Kynoar, 5 parts of nanometer calcium carbonates, 3.5 parts of DOP, 4 parts in parts by weight
Methacrylic resin, 6 parts of acrylic resins, 5 parts of TiO2, 1 part of DBTM, 0.5 part of calcium stearate mechanical mixture 5- at normal temperature
After ten minutes, melting extrusion being carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed 200-350rpm,
It is granulated after extrusion and modified polyvinilidene fluoride pellet is made；
(2) using high-speed mixer by 94 parts of polypropylene, machine under 5 parts of KH570 and 1 part of antioxidant 1010 room temperature in parts by weight
After tool mixing 5-10 minutes, melting extrusion is carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed
200-350rpm is granulated after extrusion and modified polypropene pellet is made；
It (3) is respectively modified polyvinilidene fluoride according to outer weathering layer, outer adhesive layer, structure enhancement layer, interior adhesive layer, interior weathering layer
Layer pellet, ethylene-methyl methacrylate glycidyl ester copolymer layered material, modified polypropene layer pellet, Glycidyl methacrylate are sweet
Grease-methylmethacrylate copolymer material, modified polyvinilidene fluoride layer pellet, are separately added into respective extruder for each layered material
In, converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed, cools down, draws, cuts through chill roll
The five-layer co-squeezing solar cell backboard containing PP is made in side, winding.
Embodiment 3
A kind of five-layer co-squeezing solar cell backboard containing PP, specific preparation process are as follows:
(1) use high-speed mixer by 75 parts of Kynoar, 5 parts of nanometer calcium carbonates, 3.5 parts of DOP, 4 parts in parts by weight
Methacrylic resin, 6 parts of acrylic resins, 5 parts of TiO2, 1 part of DBTM, 0.5 part of calcium stearate mechanical mixture 5- at normal temperature
After ten minutes, melting extrusion being carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed 200-350rpm,
It is granulated after extrusion and modified polyvinilidene fluoride pellet is made；
(2) using high-speed mixer by parts by weight 94 parts of polypropylene, 5 parts of KH570 and 1 part of antioxidant 1010s at normal temperature
After mechanical mixture 5-10 minutes, melting extrusion is carried out using double screw extruder, extrusion temperature is 200-230 DEG C, screw speed
200-350rpm is granulated after extrusion and modified polypropene pellet is made；
(3) use high-speed mixer by 70 parts of linear low density polyethylene in parts by weight, 20 parts of low density polyethylene (LDPE)s, 5 parts
EVA elastomer, 3.5 parts of titanium dioxides, 1 part of antioxidant 1010,0.5 part of light stabilizer 7700 mechanical mixture 5-10 minutes at normal temperature
Afterwards, melting extrusion is carried out using double screw extruder, extrusion temperature is 180-210 DEG C, screw speed 180-300rpm, after extrusion
It is granulated and modified poly ethylene pellet is made.
It (4) is respectively to change according to weathering layer, outer adhesive layer, structure enhancement layer, interior adhesive layer, interior weathering layer outside back board structure
Property polyvinylidene fluoride pellet, glycidyl methacrylate-methylmethacrylate copolymer material, modified polypropene pellet,
Ethylene-vinyl acetate copolymer material (vinyl acetate content 45%), modified poly ethylene pellet, each layered material is separately added into respectively
In extruder, is converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed through chill roll, is cooling,
The five layer solar cell backboards are made in traction, trimming, winding.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of components are named
Title etc. can be different, and above content is only to structure of the invention example explanation described in this specification.It is all according to
According to equivalence changes or simple change that the invention patent design structure, feature and principle is done, it is included in this hair
In the protection scope of bright patent.Those skilled in the art can do described specific embodiment various
The mode that the modify or supplement or adopt of various kinds is similar substitutes, and without departing from structure of the invention or surmounts present claims
Range defined in book, is within the scope of protection of the invention.
Claims (10)
1. a kind of five-layer co-squeezing solar cell backboard containing PP, it is characterised in that: from outside to inside successively include outer weathering layer, outer
Adhesive layer, structure enhancement layer, interior adhesive layer and interior weathering layer, outer weathering layer and structure enhancement layer are fixed on one by outer adhesive layer
It rises, structure enhancement layer and interior weathering layer are fixed together by interior adhesive layer；
The outer weathering layer be modified polyvinilidene fluoride layer, include: in parts by weight 60-75 parts of Kynoar, 5-10 parts receive
Scaled fillers, 0.5-3.5 part flow ability modifying agent, 10-20 parts of reinforced resins, 5-10 parts of inorganic fillers, 0.1-2 parts of heat stabilizers；
It is sweet that the outer adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate shrinks
It is grease copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane；
The structure enhancement layer be modified polypropene layer, include: in parts by weight 80-95 parts of polypropylene, 0.5-5 parts of coupling agents,
0.1-2 parts of antioxidant；
It is sweet that the interior adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-methyl methacrylate shrinks
It is grease copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane；
The interior weathering layer is modified polyvinilidene fluoride layer or modified poly ethylene layer；The modified polyvinilidene fluoride layer is by weight
Number includes: 60-75 parts of Kynoar, 5-10 parts of nano-sized fillers, 0.5-3.5 parts of flow ability modifying agents, 10-20 parts of enhancing trees
Rouge, 5-10 part inorganic filler, 0.1-2 parts of heat stabilizers；The modified poly ethylene layer includes: 65-85 parts linear in parts by weight
Low density polyethylene (LDPE), 10-25 part low density polyethylene (LDPE), 1-5 parts of EVA elastomers, 3-5 parts of titanium dioxides, 0.1-2 parts of antioxidant,
0.1-1 parts of light stabilizers.
2. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the interior weathering layer
When for modified polyvinilidene fluoride layer, interior adhesive layer is acrylate-glycidyl ester copolymer layer, ethylene-first
It is base glycidyl acrylate copolymer layer, ethylene-vinyl acetate copolymer layer, any in layer of polyurethane；It is described interior weather-proof
When layer is modified poly ethylene layer, interior adhesive layer is ethylene-vinyl acetate copolymer layer.
3. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the outer weathering layer
In interior weathering layer, the flow ability modifying agent is phthalic acid ester dimethyl ester, phthalic acid ester diethylester, O-phthalic
Acid esters dibutyl ester, phthalic acid ester dihexyl, phthalic acid ester dioctyl ester, phthalic acid ester di-isooctyl, adjacent benzene two
It is formic acid dicyclohexyl maleate, triethyl phosphate, tributyl phosphate, any in trioctyl phosphate or appoint several.
4. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the outer adhesive layer
In interior adhesive layer, the acrylate is methyl acrylate, ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, first
It is base methyl acrylate, ethyl methacrylate, butyl methacrylate, any in dimethylaminoethyl methacrylate or appoint
It is several.
5. a kind of five-layer co-squeezing solar cell backboard containing PP according to claim 1, it is characterised in that: described outer resistance to
It waits in layer and interior weathering layer, the inorganic filler is silica, titanium dioxide, calcium carbonate, barium sulfate, any in zinc sulphide
Kind is appointed several.
6. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the outer weathering layer
In interior weathering layer, the nano-sized filler is nanometer grade silica and/or nanometer grade calcium carbonate.
7. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the outer weathering layer
In interior weathering layer, the reinforced resin is acrylic resin and/or methacrylate-based resin.
8. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the outer weathering layer
In interior weathering layer, the heat stabilizer is dibutyl tin dilaurate, maleic acid dioctyltin, bis- (butyl maleates)
Dibutyl tin, bis- (lauryl mercaptan) dibutyl tins, S, bis- (the thio different monooctyl ester of the Glycolic acid) dibutyl tins of S '-, tin dilaurate two are just
Tin octylate, calcium stearate, magnesium stearate, lithium stearate, zinc stearate, aluminum stearate, double stearic acid aluminium, calcium laurate, laurel
Any one of sour zinc, ricinoleic acid calcium, 2- zinc ethyl hexanoate are appointed several.
9. the five-layer co-squeezing solar cell backboard according to claim 1 containing PP, it is characterised in that: the modification poly- third
In alkene layer, the coupling agent is silane coupling agent, and antioxidant is antioxidant 1010, irgasfos 168, antioxidant 264, antioxidant
Any one of BHT, anti-oxidant DLTP；In the modified poly ethylene layer, antioxidant is antioxidant 1010, irgasfos 168, antioxygen
Any in agent 264, antioxidant BHT, light stabilizer is that light stabilizer 770, light stabilizer 292, light stabilizer 622LD, light are steady
Determine any in agent 944.
10. the five-layer co-squeezing solar cell backboard containing PP described in a kind of any one of -9 claims according to claim 1
Preparation method, it is characterised in that: specifically include the following steps:
(1) use high-speed mixer by Kynoar, nano-sized filler, flow ability modifying agent, reinforced resin, inorganic filler and heat
Under stabilizer room temperature after mechanical mixture 5-10 minutes, melting extrusion granulation, extrusion temperature 200- are carried out using double screw extruder
230 DEG C, screw speed 200-350rpm obtains modified polyvinilidene fluoride pellet, is used as outer weathering layer；
(2) using high-speed mixer by after polypropylene, coupling agent and antioxidant at normal temperature mechanical mixture 5-10 minutes, using double
Screw extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains being modified poly- third
Alkene pellet is used as structure enhancement layer；
(3) when the interior weathering layer is modified polyvinilidene fluoride layer, Kynoar, nanoscale are filled out using high-speed mixer
Under material, flow ability modifying agent, reinforced resin, inorganic filler and heat stabilizer room temperature after mechanical mixture 5-10 minutes, using twin-screw
Extruder carries out melting extrusion granulation, 200-230 DEG C of extrusion temperature, screw speed 200-350rpm, obtains modified polyvinilidene fluorine second
Alkene pellet；
When the interior weathering layer is modified poly ethylene layer, using high-speed mixer by linear low density polyethylene, low density polyethylene
Alkene, EVA elastomer, titanium dioxide, antioxidant and light stabilizer are at normal temperature after mechanical mixture 5-10 minutes, using twin-screw extrusion
Machine carries out melting extrusion granulation, 180-210 DEG C of extrusion temperature, obtains modified poly ethylene layer pellet；
(4) the obtained each layer pellet of step 1-3 and outer adhesive layer pellet, interior adhesive layer pellet are separately added into respective extruder
In, converged in die head after fusion plastification by respective runner and be extruded into laminated film, squeezed, cools down, draws, cuts through chill roll
The five-layer co-squeezing solar cell backboard containing PP is made in side, winding.
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