CN109536072A - A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film and its application - Google Patents
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film and its application Download PDFInfo
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- CN109536072A CN109536072A CN201811481035.6A CN201811481035A CN109536072A CN 109536072 A CN109536072 A CN 109536072A CN 201811481035 A CN201811481035 A CN 201811481035A CN 109536072 A CN109536072 A CN 109536072A
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- high reflection
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
Abstract
The present invention discloses a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film and its application, latticed high reflection two-layer composite photovoltaic encapsulation glue film is made of latticed high reflection layer and transparent adhesive film, and the shape of latticed high reflection layer corresponds to the region of non-battery piece covering in photovoltaic module.Latticed high reflection two-layer composite photovoltaic encapsulation glue film preparation process of the invention is simple, it is at low cost, it has excellent performance, it can be applied to encapsulation crystal silicon battery component, the sunlight leaked through by reflecting non-battery panel region, the generated output of unit area component can be improved in the effective rate of utilization for enhancing sunlight, reduces cost of electricity-generating.
Description
Technical field
The invention belongs to photovoltaic encapsulation Material Field more particularly to a kind of latticed high reflection two-layer composite photovoltaic envelopes
Fill glue film and its application.
Background technique
With a series of excessive serious environment caused using conventional fossil energy and social concern, worldwide
The upsurge of one renewable energy research and application is inside started.Solar energy as inexhaustible clean energy resource,
Also it has received widespread attention.Solar power generation is emerging renewable energy, obtains development energetically recently, but there are still
The problems such as transfer efficiency is low, higher cost, with the arrival of cheap internet access, this technical need of synergy drop is increasingly urgent to.
Photovoltaic module is the core component using solar power generation, is followed successively by tempered glass, packaging adhesive film, electricity from top to bottom
Pond piece, packaging adhesive film, glass or polymer backboard.With advances in technology, efficient battery component form continues to bring out, including
Double-side cell, half component, stacked wafer moudle etc..Wherein double-side cell can be with other efficient kit form superposition applications, power
Gain is more obvious, is the mainstream development direction of the following photovoltaic module.Double-side cell is the two-sided cell piece that can be generated electricity, back
Face can provide 10% or more excess power, and this requires the encapsulating materials at the back side also to have good light transmission.
Since there are gaps between cell piece in photovoltaic module, if backing layer all uses the encapsulating material of full impregnated light, electricity
Pond piece gap can lose about 2% sunlight.To solve this problem, many kinds of measures is taken in industry to enhance sunlight
Reflection in cell piece gap, such as white glue film, high reflection backboard, high reflection coated glass, reflective joint strip etc. of aluminizing, but
All there are some problems, for example the presence of white glue film and high reflection backboard makes module backside opaque, can not be applied to height
Double-sided battery pack is imitated, high reflection coated glass then has the problems such as reflectivity is low, effective utilization rate of light is low, reflection plaster of aluminizing
Then there is insulating properties defect in film, aluminium surface, which is easy to be corroded, leads to problems such as reflectivity decline.
For the encapsulation loss of Double-sided battery pack, all there is different degrees of limitation, be in solution described above
Better solution this problem, develop it is a kind of battery panel region high light transmission, cell piece void area high reflection it is latticed
Composite encapsulating material is necessary, while also requiring preparation process simple, at low cost, can effectively reduce photovoltaic module
Cost of electricity-generating.
Summary of the invention
The purpose of the invention is to make up the deficiencies in the prior art, a kind of latticed high reflection two-layer composite is provided
Photovoltaic encapsulation glue film and its application, the present invention pass through compound one layer latticed high reflection material of printing process on transparent adhesive film,
It is simple and efficient, material and processing cost are low, while component power promotes significant effect, cost performance with higher.
In order to achieve the above object of the invention, the technical solution adopted by the present invention is that: a kind of latticed high reflection two-layer compound
Structure photovoltaic packaging adhesive film, is made of latticed high reflection layer and transparent adhesive film；The latticed high reflection layer is with high anti-
The polymer network material layer for penetrating rate, is compounded on transparent adhesive film；Described latticed 10-500 μm of high reflection layer thickness, include
The first matrix resin, the reflective filler of 1~49.7wt%, the modified additive of 0.1~25wt%, the 0~5wt% of 50~90wt%
Cross-linking aid, 0~10wt% plasticizing adjuvant and 0.1~5wt% thermo oxidative aging agent；The transparent adhesive film with a thickness of
100~1000 μm, the friendship of the modified additive, 0.1~5wt% of the second matrix resin, 0.5~30wt% comprising 60~95wt%
Join the thermo oxidative aging agent of auxiliary agent and 0.1~5wt%；First matrix resin is by polyolefin and its copolymer, ethyl vinyl acetate
One of ethylene copolymer, polyester, polyacrylate, polycarbonate, polyphenylene oxide, polyamide, polysulfones are a variety of by any ratio
Example mixing composition.Second matrix resin is with ethylene, propylene, butylene, heptene, octene, norbornene, vinylacetate, third
One or both of e pioic acid methyl ester, methyl methacrylate monomer is copolymerized and obtains.
Further, the latticed high reflection two-layer composite photovoltaic encapsulation glue film is used for encapsulated photovoltaic module, net
The shape of trellis high reflection layer is consistent with the shape of non-battery panel region in photovoltaic module, the shape of transparent adhesive film and cell piece
Shape is consistent.
Further, the shape of the latticed high reflection layer includes quadrangle, hexagon and octagon.
Further, the reflective filler is by hollow glass microbead, barium sulfate, calcium sulfate, zinc oxide, lithopone, dioxy
SiClx, zinc sulphide, titanium dioxide, aluminium oxide, antimony tin, the one or more of antimony oxide press any proportion mixing group
At.
Further, the modified additive is by 3- (methacrylic chloride) oxypropyl trimethyl oxysilane, three second of aminopropyl
Oxysilane, 3- mercaptopropyl trimethoxysilane, vinyl three ('beta '-methoxy ethyoxyl) silane, N- β-(aminoethyl)-γ-ammonia
Hydroxypropyl methyl dimethoxysilane and the one or more of 3- (the third oxygen of 2,2- epoxy) propyl-triethoxysilicane press any proportion
Mixing composition；The cross-linking aid is by trimethylolpropane trimethacrylate, the third oxidation trimethylolpropane trimethacrylate, season
Penta tetrol triacrylate, six acrylic acid of pentaerythritol tetraacrylate, Dipentaerythritol Pentaacrylate and dipentaerythritol
The one or more of ester are formed by the mixing of any proportion；The thermo oxidative aging agent is by four [β-(3,5- di-t-butyl -4- hydroxyls
Phenyl) propionic acid] pentaerythritol ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- tert-butyl-phenyl) butane, β-(the tertiary fourth of 3,5- bis-
Base -4- hydroxy phenyl) propionic acid n-octadecyl alcohol ester, 2,8- di-tert-butyl-4-methy phenol, N, N'- bis- (betanaphthyl) is to benzene two
Amine, thio-2 acid double lauryl, double octadecyl pentaerythritol diphosphites, dioctyl ester base pentaerythrite diphosphorous acids
Ester, triphenyl isodecyl phosphite and the one or more of three (2,4- tert-butyl-phenyl) phosphite esters are mixed by any proportion
Composition.
Further, the plasticizing adjuvant includes phthalate plasticizing adjuvant, aliphatic dibasic acid ester plasticising
Auxiliary agent, phosphoric acid ester plasticizing adjuvant, epoxies plasticizing adjuvant.The phthalate plasticizing adjuvant is preferably by O-phthalic
One of dioctyl phthalate, dibutyl phthalate, diisooctyl phthalate, phthalic acid two (2- ethyl hexyl) ester
Or a variety of mixing compositions in any proportion.The aliphatic dibasic acid ester plasticizing adjuvant is preferably by the (two-ethyl hexyls of adipic acid two
Ester), suberic acid two (two-ethylhexyls), azelaic acid two (two-ethylhexyls), one of decanedioic acid two (two-ethylhexyls)
Or a variety of mixing compositions in any proportion.The phosphoric acid ester plasticizing adjuvant is preferably by tricresyl phosphate, tricresyl phosphate hexichol
Ester, triphenyl phosphate, one or more mixing compositions in any proportion in diphenyl octyl phosphate.The epoxies plasticising
Auxiliary agent is preferably by epoxidised soybean oil, epoxyoleic acid monooctyl ester, epoxidation tetrahydro-2-ethylhexyl phthalate, epoxidation tetrahydro neighbour's benzene
One of dioctyl phthalate diisodecyl ester or a variety of mixing compositions in any proportion.
Further, the latticed high reflection layer is compounded in by inkjet printing, intaglio printing or 3D printing method
On gelatin film.
Further, compound tense, transparent adhesive film are printed as printing element, high reflection layer material as printing ink
Brush.
The present invention also provides a kind of application of above-mentioned latticed high reflection two-layer composite photovoltaic encapsulation glue film, the nets
Trellis high reflection two-layer composite photovoltaic encapsulation glue film can be applied to encapsulation crystal silicon battery component, by by non-battery panel region
The sunlight leaked through is reflected back cell piece surface, significantly improves the power of unit area component.
Further, the crystal silicon battery component includes single side battery component, Double-sided battery pack, stacked wafer moudle, half
Battery component and more main grid components.
Compared with prior art, the present invention having following technical effect that
1, when the present invention is applied to two-sided double wave component, latticed high reflection layer covers non-battery panel region, by the area
The incident ray in domain is reflected back the obverse and reverse of cell piece, improves the effective rate of utilization of light, to improve photovoltaic module
Generated output.The encapsulation scheme of full impregnated gelatin film and latticed coated glass, grid of the invention are used compared to the prior art
Shape high reflection layer reflectivity is higher, and incident ray reflection path is shorter, and effective utilization rate of light is higher, applied photovoltaic module
Power gain is more significant.2, when applying the present invention to conventional single side battery component, white size is used compared to the prior art
The encapsulation scheme of film, the present invention greatly reduce material cost, cost performance with higher.
3, compared with reflective pad pasting of aluminizing, the present invention uses flexible nonconductive polymer material as high reflection layer, not only
With excellent insulation performance, while good flexibility is had both, cell piece will not be caused during component package potential
Damage.
4, the preparation method is simple and efficient, and waffle-like pattern accurate size is controllable, and raw material and processing cost are low, is closed
Suitable industrialized production；The present invention is had excellent performance, and is widely used, at low cost, can effectively reduce the degree electricity cost of photovoltaic module.
Detailed description of the invention
Fig. 1 is the latticed high reflection two-layer composite photovoltaic encapsulation that can be applied to encapsulation single or double battery component
Glue film schematic diagram；
Fig. 2 be can be applied to encapsulation half battery component latticed high reflection two-layer composite photovoltaic encapsulation glue film show
It is intended to；
Fig. 3 be can be applied to encapsulation laminated batteries component latticed high reflection two-layer composite photovoltaic encapsulation glue film show
It is intended to；
In figure, 001 is high reflection layer region, and 002 is high light transmission region.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples, and attached drawing is rough schematic view, of the invention
Protection scope is not limited solely to embodiment, and related fields staff still can be with various modification can be adapted and transformation is without departing from this
The spirit and scope of invention, these modifications and transformation should be included within the scope of the present invention.
The design of latticed high reflection layer can be depending on the appearance forrns of cell piece and component, and the present invention is in conventional single side
It can be applied in the various components such as battery component, Double-sided battery pack, half battery component and laminated batteries component.
Embodiment 1:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. using the ethylene-vinyl acetate copolymer (EVA) of 60wt%, the modified additive 3- (metering system of 30wt%
Acyl chlorides) oxypropyl trimethyl oxysilane, the cross-linking aid trimethylolpropane trimethacrylate of 5wt%, the heat resistanceheat resistant oxygen of 5wt% is old
After the mixing of [β-(3, the 5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester of agent four, it is cast in 60 DEG C of -100 DEG C of meltings
Film forming, prepares 1000 μm of thickness of transparent adhesive film.
2. using ethylene-hexene co-polymers, the titanium dioxide of 36.5wt% and the hollow glass microbead of 10wt% of 50wt%
It is pungent as reflective filler, the modified additive aminopropyl triethoxysilane of 1wt%, the plasticizing adjuvant phthalic acid two of 1wt%
Thermo oxidative aging agent 1,1,3- tri- (2- methyl -4- hydroxyl -5- tert-butyl-phenyl) butane of ester, 1.5wt% is uniformly mixed, and is made
For the material of high reflection layer.
3. high reflection layer material passes through the dimension information input control computer of waffle-like pattern as solid ink material
The method of inkjet printing prints the latticed high reflection layer of one layer of 10 μ m-thick on transparent adhesive film, to obtain a kind of latticed height
Reflect two-layer composite photovoltaic encapsulation glue film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S1, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Embodiment 2:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. using ethylene-butene copolymer and 35wt% ethylene-methyl acrylate copolymer, the 0.5wt% of 60wt%
Modified additive vinyl three ('beta '-methoxy ethyoxyl) silane, 1.5wt% cross-linking aid pentaerythritol triacrylate,
After four β of thermo oxidative aging agent-(3,5- di-tert-butyl-hydroxy phenyl) the propionic acid n-octadecyl alcohol ester mixing of 3wt%, 100
DEG C -150 DEG C of melting casting film-formings, prepare 100 μm of thickness of transparent adhesive film.
2. using 70wt% ethylene-vinyl acetate copolymer (EVA) and 20wt% ethylene-octene copolymer,
The barium sulfate of 2wt% and the calcium sulfate of 2wt% are as reflective filler, the modified additive 3- mercapto propyl trimethoxy silicon of 0.9wt%
(two-the second of plasticizing adjuvant adipic acid two of alkane, the oxidation of cross-linking aid third trimethylolpropane trimethacrylate of 5wt%, 1wt%
The own ester of base), the thermo oxidative aging agent 2 of 0.1wt%, 8- di-tert-butyl-4-methy phenol is uniformly mixed, as high reflection layer
Material.
3. high reflection layer material is packed into 3D printer, by the dimension information input control computer of waffle-like pattern, saturating
The latticed high reflection layer of one layer of 500 μ m-thick is printed on gelatin film, to obtain a kind of latticed high reflection two-layer compound knot
Structure photovoltaic encapsulation glue film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S2, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Embodiment 3:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. the ethylene-vinyl acetate copolymer and 35wt% ethylene methyl methacrylate copolymer of use 40wt%,
The cross-linking aid two of the modified additive N- β of 24.8wt%-(aminoethyl)-γ-aminopropyltriethoxy dimethoxysilane, 0.1wt%
Six acrylate of pentaerythrite, 0.1wt% bis- (betanaphthyl) p-phenylenediamine of thermo oxidative aging agent N, N'- mixing after, 150
DEG C -200 DEG C of melting casting film-formings, prepare 500 μm of thickness of transparent adhesive film.
2. using ethylene-vinyl acetate copolymer (EVA), the zinc oxide of 15.6wt% and the zinc of 12.2wt% of 70wt%
Barium white as reflective filler, the modified additive 3- mercaptopropyl trimethoxysilane of 0.1wt%, 0.1wt% the third oxygen of cross-linking aid
The double lauryls of thermo oxidative aging agent thio-2 acid for changing trimethylolpropane trimethacrylate, 2wt%, are uniformly mixed, as
The material of high reflection layer.
3. regarding high reflection layer material as liquid ink material in 100-200 DEG C of melting, latticed gravure template, thickness are used
300 μm, latticed high reflection layer is printed to transparent adhesive film, to obtain a kind of latticed high reflection two-layer composite light
Lie prostrate packaging adhesive film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S3, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Embodiment 4:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. using the polyethylene of 40wt% and the modified additive 3- (the third oxygen of 2,2- epoxy) third of 40wt% polypropylene, 16wt%
Ethyl triethoxy silicane alkane, the cross-linking aid dipentaerythritol hexaacrylate of 2.5wt%, the thermo oxidative aging agent of 1.5wt% are double
After the mixing of octadecyl pentaerythritol diphosphites, in 80 DEG C of -120 DEG C of melting casting film-formings, 400 μm of thickness transparent is prepared
Glue film.
2. the two of the polycarbonate (PC) of use 20wt% polyethylene terephthalate (PET) and 30wt%, 7wt%
The zinc sulphide of silica and 5wt% are as reflective filler, the modified additive aminopropyl triethoxysilane of 25wt%, 2wt%
The tricresyl phosphate of cross-linking aid Dipentaerythritol Pentaacrylate, the neck phthalic acid diisodecyl ester of 5wt% and 5wt% is made
For plasticizing adjuvant, the thermo oxidative aging agent dioctyl ester base pentaerythritol diphosphites of 1wt%, it is uniformly mixed, as high reflection
The material of layer.
3. regarding high reflection layer material as liquid ink material in 150-250 DEG C of melting, latticed printing stencil, thickness are used
400 μm, latticed high reflection layer is printed to transparent adhesive film, to obtain a kind of latticed high reflection two-layer composite light
Lie prostrate packaging adhesive film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S4, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Embodiment 5:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. the ethylene-norbornene copolymer and 40wt% butylene-vinyl acetate co-polymer of use 45wt%,
The cross-linking aid trimethylolpropane of modified additive vinyl three ('beta '-methoxy ethyoxyl) silane of 10.5wt%, 2.5wt%
Triacrylate, 2wt% the mixing of thermo oxidative aging agent triphenyl isodecyl phosphite after, in 140 DEG C of -180 DEG C of meltings streams
Prolong film forming, prepares 600 μm of thickness of transparent adhesive film.
2. using polyphenylene oxide (PPO), the titanium dioxide of 15wt% and the oxygen of 12wt% of 40wt% polyamide and 13wt%
Change aluminium as reflective filler, the modified additive 3- mercaptopropyl trimethoxysilane of 7wt%, 3wt% cross-linking aid pentaerythrite
Tetraacrylate, the plasticizing adjuvant epoxidation tetrahydro-2-ethylhexyl phthalate of 5wt%, 5wt% thermo oxidative aging agent three (2,
4- tert-butyl-phenyl) phosphite ester, it is uniformly mixed, the material as high reflection layer.
3. high reflection layer material passes through the dimension information input control computer of waffle-like pattern as solid ink material
The method of inkjet printing prints the latticed high reflection layer of one layer of 150 μ m-thick on transparent adhesive film, to obtain a kind of latticed
High reflection two-layer composite photovoltaic encapsulation glue film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S5, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Embodiment 6:
A kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, is prepared by the following method to obtain:
1. the ethylene-vinyl acetate copolymer and 20wt% amylene-ethyl acrylate copolymer of use 70wt%,
The modified additive aminopropyl triethoxysilane of 8wt%, the cross-linking aid pentaerythritol triacrylate of 1wt%, 1wt% it is anti-
Thermo-oxidative ageing agent 2, in 100 DEG C of -160 DEG C of melting casting film-formings, prepares thickness 700 after the mixing of 8- di-tert-butyl-4-methy phenol
μm transparent adhesive film.
2. using polysulfones (PSF), the antimony tin of 20wt% and three oxygen of 13wt% of 41wt% polyethylene and 15wt%
Change two antimony as reflective filler, 5.5wt% modified additive N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxysilane,
Cross-linking aid Dipentaerythritol Pentaacrylate, the dibutyl phthalate of 1wt% and the azelaic acid of 2wt% of 1.5wt%
Two (two-ethylhexyls) are uniformly mixed as plasticizing adjuvant, double octadecyl pentaerythritol diphosphites of 1wt%, as
The material of high reflection layer.
3. high reflection layer material is packed into 3D printer, by the dimension information input control computer of waffle-like pattern, saturating
The latticed high reflection layer of one layer of 200 μ m-thick is printed on gelatin film, to obtain a kind of latticed high reflection two-layer compound knot
Structure photovoltaic encapsulation glue film.
4. press front layer glass/transparent adhesive film/single side cell piece/above-mentioned latticed packaging adhesive film/rear layer glass, with from up to
Under order assemble 60 battery component S6, wherein the gap area of cell piece is aligned one by one with mesh shape, test suite function
Rate, test result are shown in Table 1.
Comparative example 1:
Select commercially available convention transparent glue film F406P as comparative example, by front layer glass/transparent adhesive film/single side cell piece/
Layer glass after F406P/ assembles 60 battery component C1, test suite maximum power with order from top to bottom, and test result is shown in
Table 1.
The material of component is made in embodiment 1-6 and comparative example 1, other than rear layer packaging adhesive film is different, other materials is complete
Portion is identical；For the ease of measured power, select single side battery component as test cell, but the invention is not limited to single side electricity
Application in the component of pond.
Table 1: the parameters of embodiment 1-6 and comparative example 1.
Reflectance test: the spectrophotometer methods of integrating sphere are had in reference standard GB/T 29848
Volume resistivity test: reference standard GB/T 1410-2006
Component maximum power test: reference standard IEC61215
It can be seen that a kind of latticed high reflection layer composite construction photovoltaic packaging plastic provided by the present invention from upper table result
Film, net region reflectivity with higher, existing its reflectivity of woven fiberglass product is less than 80%, and due to grid
High reflection layer is directly contacted with cell piece, and reflecting effect is more effective, so utilizing the present invention compared with commercially available convention transparent glue film
The power of 60 components of production is higher, and power gain is up to 5-9W, significant effect.In addition, high reflection layer excellent insulation performance,
There is no the insulating properties defects as reflective pad pasting of aluminizing, while the present invention is at low cost, can persistently drop this increasing for photovoltaic industry
Effect provides powerful technical support.
Claims (10)
1. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film, which is characterized in that by latticed high reflection layer and
Transparent adhesive film composition；The latticed high reflection layer is polymer network material layer with high reflectivity, is compounded in transparent
On glue film.
The latticed high reflection layer thickness is about 10-500 μm, and the first matrix resin comprising 50~90wt%, 1~
The plasticising of the cross-linking aid, 0~10wt% of the reflective filler of 49.7wt%, the modified additive of 0.1~25wt%, 0~5wt% helps
The thermo oxidative aging agent of agent and 0.1~5wt%.
The transparent adhesive film thickness is about 100~1000 μm, and the second matrix resin comprising 60~95wt%, 0.5~
The thermo oxidative aging agent of the modified additive of 30wt%, the cross-linking aid of 0.1~5wt% and 0.1~5wt%.
First matrix resin is by polyolefin and its copolymer, ethylene-vinyl acetate copolymer, polyester, polyacrylate, poly-
One of carbonic ester, polyphenylene oxide, polyamide, polysulfones or a variety of mixing compositions in any proportion.Second matrix resin with
Ethylene, propylene, butylene, heptene, octene, norbornene, vinylacetate, methyl acrylate, one in methyl methacrylate
Kind or two kinds of monomers are copolymerized and obtain.
2. latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 1, which is characterized in that described
Latticed high reflection two-layer composite photovoltaic encapsulation glue film is used for encapsulated photovoltaic module, the shape and light of latticed high reflection layer
The shape for lying prostrate non-battery panel region in component is consistent, and the shape of transparent adhesive film and the shape of cell piece are consistent.
3. latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 2, which is characterized in that described
The shape of latticed high reflection layer includes quadrangle, hexagon and octagon.
4. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 1, which is characterized in that
The reflective filler is by hollow glass microbead, barium sulfate, calcium sulfate, zinc oxide, lithopone, silica, zinc sulphide, titanium dioxide
Titanium, aluminium oxide, antimony tin, the one or more of antimony oxide are formed by the mixing of any proportion.
5. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 1, which is characterized in that
The modified additive is by 3- (methacrylic chloride) oxypropyl trimethyl oxysilane, aminopropyl triethoxysilane, 3- mercapto propyl
Trimethoxy silane, vinyl three ('beta '-methoxy ethyoxyl) silane, N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxy
Silane and the one or more of 3- (the third oxygen of 2,2- epoxy) propyl-triethoxysilicane are formed by the mixing of any proportion；The crosslinking
Auxiliary agent by trimethylolpropane trimethacrylate, third oxidation trimethylolpropane trimethacrylate, pentaerythritol triacrylate,
One or more press of pentaerythritol tetraacrylate, Dipentaerythritol Pentaacrylate and dipentaerythritol hexaacrylate is appointed
Meaning proportion mixing composition；The thermo oxidative aging agent is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- tert-butyl-phenyl) butane, propionic acid is just by β-(3,5- di-tert-butyl-hydroxy phenyl)
Octadecanol ester, 2,8- di-tert-butyl-4-methy phenol, N, N'- bis- (betanaphthyl) p-phenylenediamine, the bimonthly osmanthus of thio-2 acid
Ester, double octadecyl pentaerythritol diphosphites, dioctyl ester base pentaerythritol diphosphites, triphenyl isodecyl phosphorous acid
Ester and the one or more of three (2,4- tert-butyl-phenyl) phosphite esters are formed by the mixing of any proportion.
6. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 1, which is characterized in that
The plasticizing adjuvant includes phthalate plasticizing adjuvant, aliphatic dibasic acid ester plasticizing adjuvant, phosphoric acid ester plasticising
Auxiliary agent, epoxies plasticizing adjuvant.The phthalate plasticizing adjuvant is preferably by dioctyl phthalate, O-phthalic
One of dibutyl phthalate, diisooctyl phthalate, phthalic acid two (2- ethyl hexyl) ester or it is a variety of in any proportion
Mixing composition.The aliphatic dibasic acid ester plasticizing adjuvant is preferably by adipic acid two (two-ethylhexyls), suberic acid two (two-
Ethylhexyl), azelaic acid two (two-ethylhexyls), one of decanedioic acid two (two-ethylhexyls) or it is a variety of in any proportion
Mixing composition.The phosphoric acid ester plasticizing adjuvant is preferably by tricresyl phosphate, phosphate toluene diphenyl ester, triphenyl phosphate, phosphorus
One or more mixing compositions in any proportion in sour one monooctyl ester of hexichol.The epoxies plasticizing adjuvant is preferably by epoxidation
Soybean oil, epoxyoleic acid monooctyl ester, epoxidation tetrahydro-2-ethylhexyl phthalate, in epoxidation diisodecyl tetrahydrophthalate
It is one or more in any proportion mixing composition.
7. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 1, which is characterized in that
The latticed high reflection layer is compounded on transparent adhesive film by inkjet printing, intaglio printing or 3D printing method.
8. a kind of latticed high reflection two-layer composite photovoltaic encapsulation glue film according to claim 7, which is characterized in that
Compound tense, transparent adhesive film are printed as printing element, high reflection layer material as printing ink.
9. the application of latticed high reflection two-layer composite photovoltaic encapsulation glue film described in a kind of claim 1, which is characterized in that
The latticed high reflection two-layer composite photovoltaic encapsulation glue film can be applied to encapsulation crystal silicon battery component, by by non-battery
The sunlight that panel region leaks through is reflected back cell piece surface, significantly improves the power of unit area component.
10. application according to claim 9, which is characterized in that the crystal silicon battery component includes single side battery component, double
Face battery component, stacked wafer moudle, half battery component and more main grid components etc..
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| CN111718661A (en) * | 2020-06-09 | 2020-09-29 | 苏州福斯特光伏材料有限公司 | Gridding packaging adhesive film and preparation method thereof |
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| CN113299782A (en) * | 2021-06-09 | 2021-08-24 | 苏州明冠新材料科技有限公司 | Transparent backboard with high-reflectivity black grid and preparation method thereof |
| CN113604107A (en) * | 2021-08-27 | 2021-11-05 | 浙江福斯特新材料研究院有限公司 | Water-based ink, adhesive film and application thereof |
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Cited By (10)
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|---|---|---|---|---|
| CN111718661A (en) * | 2020-06-09 | 2020-09-29 | 苏州福斯特光伏材料有限公司 | Gridding packaging adhesive film and preparation method thereof |
| CN111718661B (en) * | 2020-06-09 | 2022-06-07 | 苏州福斯特光伏材料有限公司 | Gridding packaging adhesive film and preparation method thereof |
| CN113061397A (en) * | 2021-05-11 | 2021-07-02 | 福斯特(嘉兴)新材料有限公司 | Packaging adhesive film and photovoltaic module |
| CN113061397B (en) * | 2021-05-11 | 2022-05-31 | 福斯特(嘉兴)新材料有限公司 | Packaging adhesive film and photovoltaic module |
| CN113299782A (en) * | 2021-06-09 | 2021-08-24 | 苏州明冠新材料科技有限公司 | Transparent backboard with high-reflectivity black grid and preparation method thereof |
| CN113604107A (en) * | 2021-08-27 | 2021-11-05 | 浙江福斯特新材料研究院有限公司 | Water-based ink, adhesive film and application thereof |
| CN113604107B (en) * | 2021-08-27 | 2023-11-24 | 浙江福斯特新材料研究院有限公司 | Water-based ink, adhesive film and application thereof |
| CN113980564A (en) * | 2021-11-05 | 2022-01-28 | 东方日升新能源股份有限公司 | High-reflection black glass, preparation method thereof and double-glass photovoltaic module |
| CN114149754A (en) * | 2021-11-30 | 2022-03-08 | 苏州赛伍应用技术股份有限公司 | Grid adhesive film and preparation method and application thereof |
| CN113980588A (en) * | 2021-12-24 | 2022-01-28 | 杭州福斯特应用材料股份有限公司 | Packaging adhesive film and photovoltaic module |
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