CN102285175A - Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery - Google Patents
Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery Download PDFInfo
- Publication number
- CN102285175A CN102285175A CN201110138433XA CN201110138433A CN102285175A CN 102285175 A CN102285175 A CN 102285175A CN 201110138433X A CN201110138433X A CN 201110138433XA CN 201110138433 A CN201110138433 A CN 201110138433A CN 102285175 A CN102285175 A CN 102285175A
- Authority
- CN
- China
- Prior art keywords
- film
- solar battery
- eva
- butyl
- tert
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging a solar battery. The EVA glue film is composed of an upper EVA film layer, a core film layer and a lower EVA film layer in order, wherein the core film layer is a PET (Polyethylene Terephthalate), PBT (Polybutylene Terephthalate), PETG (Polyethylene Terephthalate Glycol) or PEN (Polyethylene Naphthalate) film. Compared with an ordinary EVA glue film, the low-shrinkage lamellar compound EVA glue film provided by the invention has the advantages that the physical and mechanical properties are better, the shrinkage factor is obviously reduced and is less than 0.5% while the transparency and the age resistance are free from being influenced. If the low-shrinkage lamellar compound EVA glue film provided by the invention is used for packaging the solar battery, the production efficiency of the solar battery can be promoted, the quality of products can be increased, the defective percentage can be reduced and the cost can be lowered.
Description
Technical field
The invention belongs to the packaging adhesive film for solar cell field, be specifically related to a kind of compound EVA glued membrane of used for encapsulation of solar battery stratiform with low-shrinkage.
Background technology
Solar cell normally is packaged in silicon wafer between glass or polycarbonate panel and the backboard by two-layer polymeric laminate.The effect of packaging adhesive film is that silicon wafer is fixed, and secluding air and water vapour, keeps good light transmittance simultaneously, has good photoelectric conversion rate and long service life to guarantee the solar cell after the encapsulation.In order to guarantee in the long-term use of solar cell problems such as xanthochromia, cracking, delamination not to take place, packaging adhesive film must have the performance of the aging and light aging of good heat resistance, and and panel and backboard between enough bonding forces are arranged.Common packaging adhesive film for solar cell comprises ethylene-vinyl acetate copolymer (EVA), ethylene-methyl methacrylate methyl terpolymer (EMMA), polyvinyl butyral resin sheet (PVB), ionomer, liquid silicone resin, epoxy resin etc., factors such as comprehensive light transmission, physical and mechanical properties, ageing-resistant performance, processability and price, EVA becomes the packaging adhesive film material of the solar cell of main flow at present.
Solar cell EVA packaging adhesive film in the heat pressing process process easily shrinks.This mainly is because EVA macromolecular chain in the curtain coating forming process is orientated, and the lax result of segment takes place again when being heated.The shrinkage factor of EVA glued membrane is the index that needs strict control, because when shrinkage factor was big, shrinkage stress easily made backboard generation deformation, even makes the face glass cracking, thereby causes assembly to be scrapped.Though can be by adjusting EVA glued membrane prescription, improve processing technology, carry out the shrinkage factor that method such as annealing in process reduces the EVA packaging adhesive film,, usually cause production efficiency to reduce, energy consumption and cost increase.At present, the shrinkage factor of EVA packaging adhesive film product both domestic and external can only be accomplished about 3% (test condition is 120 ℃, 3 minutes) usually, still can not satisfy the requirement of the bigger solar cell of area fully.
Summary of the invention
The invention provides the compound EVA glued membrane of a kind of used for encapsulation of solar battery stratiform, it is simple in structure, and shrinkage factor significantly reduces, the physical and mechanical properties height, and the light transmission of glued membrane and performance such as anti-aging do not reduce, and overcome the defective that prior art exists.
A kind of used for encapsulation of solar battery stratiform compound cutan, constitute by upper strata ethylene-vinyl acetate copolymer (EVA) film, sandwich layer film and lower floor's ethylene-vinyl acetate copolymer (EVA) film, described sandwich layer film is PETG (PET) film, PTT (PBT) film, poly terephthalic acid-1,4-cyclohexanedimethanoester ester (PETG) film or PEN (PEN) film.
Described used for encapsulation of solar battery stratiform compound cutan can be composited by described upper strata eva film, sandwich layer film and lower floor's eva film are carried out heat.
Described heat is compound to be upper strata eva film, sandwich layer film and lower floor's eva film are superposeed under the draw-gear effect and to be transported between the composite roll, eva film is heated, pressurized and sandwich layer film stick together, through embossing, cooling, device such as cut edge, batch and form the stratiform compound cutan continuously.This technology is not used any binder, and cost is low and pollution-free.
Among the present invention, the thickness of described PET film, PBT film, PETG film or PEN film is the 0.01-0.3 millimeter.
Among the present invention, the thickness of described eva film is the 0.1-0.3 millimeter.
Among the present invention, described PET film is prepared by following method: after 100 parts of PET resins, 0.02-1.5 part antioxidant and 0.1-1.5 part hindered amines UV light stabilizing agent are mixed, extrude curtain coating and be shaped.
Among the present invention, described PET film clarity 〉=92%, mist degree≤8%.
Among the present invention, described PBT film is prepared by following method: after 100 parts of PBT resins, 0.02-1.5 part antioxidant and 0.1-1.5 part hindered amines UV light stabilizing agent are mixed, extrude curtain coating and be shaped.
Among the present invention, described PBT film clarity 〉=92%, mist degree≤8%.
Among the present invention, described PETG film is prepared by following method: after 100 parts of PETG resins, 0.02-1.5 part antioxidant and 0.1-1.5 part hindered amines UV light stabilizing agent are mixed, extrude curtain coating and be shaped.
Among the present invention, described PETG film clarity 〉=92%, mist degree≤8%.
Among the present invention, described PEN film is prepared by following method: after 100 parts of PEN resins, 0.02-1.5 part antioxidant and 0.1-1.5 part hindered amines UV light stabilizing agent are mixed, extrude curtain coating and be shaped.
Among the present invention, described PEN film clarity 〉=92%, mist degree≤8%.
Among the present invention, described eva film is that the mass content by 100 parts of vinylacetates is after 28%～42% EVA pellet, 1-10 part compatilizer pellet, 0.5-2.0 part peroxide, 0.02-1.5 part antioxidant, 0.1-1.5 part hindered amines UV light stabilizing agent and 0.1-4.0 part silane coupler mix in proportion, and extrudes curtain coating, cooling in 60-110 ℃ of temperature range, draw, batches and form.
Among the present invention, described antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), two (2, the 4-di-tert-butyl-phenyl) one or more in pentaerythritol diphosphites or three (2, the 4-di-tert-butyl-phenyl) phosphite ester.
Among the present invention, described UV light stabilizing agent is two (2,2,6 of a hindered amines, 6-tetramethyl-4-piperidyl) sebacate, tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester), two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, two (2,2,6,6-tetramethyl-4-piperidyl) sebacate or two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) one or more in the diester in the last of the ten Heavenly stems.
Among the present invention, described compatilizer is a kind of in ethylene-methacrylic acid copolymer (EMA), ethylene-acrylic acid copolymer (EAA) or the maleic anhydride grafted ethene-acetate ethylene copolymer (MAn-g-EVA), wherein, the molar content of hydroxy-acid group is 0.5% to 30%.Adopt described compatilizer, can improve the bonding force between EVA and the sandwich layer, after long-term the use delamination does not take place.And the compatibilization effect of preferred compatilizer is better.
Among the present invention, described coupling agent is one or more in VTES, gamma-aminopropyl-triethoxy-silane, γ-methylacryoyloxyethyl trimethoxy silane or the γ-glycidyl ether oxygen propyl trimethoxy silicane.
Among the present invention, described peroxide is 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, 1,1-(two tert-butyl peroxide) 3,3, one or more in 5-trimethyl-cyclohexane or the peroxidized t-butyl perbenzoate.
Among the present invention, because the sandwich layer film that adopts is high-melting-point, transparent PET, PBT, PETG and PEN film, its fusing point is than higher, and except that PETG was about 170 ℃, other all was higher than 200 ℃.Therefore, under the standard test condition of glued membrane shrinkage factor (120 ℃, 3 minutes) and the process conditions of solar cell package under (138～160 ℃) effect that therefore fusion can play the physical support layer does not all take place, the contraction of significant limitation EVA layer, the shrinkage factor of the compound EVA glued membrane of stratiform is dropped to below 0.5%, EVA glued membrane shrinkage factor than existing used for encapsulation of solar battery descends more than 80%, and effect is remarkable.Simultaneously, the compound EVA film structure of stratiform of the present invention is simple, the physical and mechanical properties height, and light transmission and performance such as anti-aging all can satisfy the needs of solar cell.Therefore, shrinkage factor significantly reduced when product of the present invention was used for solar cell package, can improve solar cell production efficiency, improve the quality of products, reduce defect rate and reduce cost.
Among the present invention, described shrinkage factor is the ratio of the difference of width before and after sample is handled under 120 ℃ of heating 3min conditions to specimen width before handling, and represents with percentage.Preparation method of sample is specific as follows: get a glued membrane, elder generation is cut growth 200 ± 0.2mm along its length, and broad ways becomes 100 ± 0.2mm * 200 ± 0.2mm sample by 100 ± 0.2mm cut-space then.Testing procedure is as follows: 1) baking oven is warming up to 120 ℃ ± 1 ℃; 2) earlier sample is placed on the glass plate, puts into baking oven then; 3) under 120 ℃ ± 1 ℃, heating 3min; 4) take out cooling, the length (L at the minimum place of measuring distance
Min, mm) and width (B
Min, mm).Respectively according to formula (1) and formula (2) shrinkage from mold dimensions:
C＝[(200-L
min)/200]×100％ (1)
C＝[(100-B
min)/100]×100％ (2)
In the formula: C-shrinkage factor, %;
L
MinLength after the-contraction, mm;
B
MinWidth after the-contraction, mm.
The specific embodiment
Describe the present invention in detail below in conjunction with embodiment, but the present invention is not limited to this.
Embodiment 1
According to the mass fraction, with 0.02 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 0.3 part UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.4 part coupling agent γ-amine propyl-triethoxysilicane, with 1.3 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-mix, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.1 millimeter eva film.
According to the mass fraction, with 0.125 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.125 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.3 part of UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) after sebacate and 100 parts of PET sections mix, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly get thickness and be 0.3 millimeter PET film at extrudate
Two of eva films getting the above-mentioned thickness that makes and be 0.1 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.3 millimeter PET film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.2%.
Embodiment 2
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.2 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.3 part UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, 0.4 part coupling agent γ-methylacryoyloxyethyl trimethoxy silane, with 1.3 part 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane mixes, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.2 millimeter eva film.
According to the mass fraction, with 0.01 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester and 0.01 part of β-positive octadecanol ester of (3,5 di-tert-butyl-hydroxy phenyl) propionic acid are as antioxidant, 0.3 part of two (1-octyloxy-2,2 of UV light stabilizing agent, 6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems diester and 100 parts of PETG mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 260 ℃, through curtain coating, cooling, traction, coiling process, promptly get thickness and be 0.1 millimeter PETG film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.2 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.1 millimeter PETG film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.5%.
Embodiment 3
According to the mass fraction, [3-(3 with 0.25 part four, 5-di-t-butyl-4-hydroxyphenyl) propionic acid] quaternary amyl alcohol ester and 0.2 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester is as antioxidant, 0.3 part UV light stabilizing agent tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester), 0.4 part coupling agent γ-glycidyl ether oxygen propyl trimethoxy silicane, mix with 0.5 part of peroxide tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.3 millimeter eva film.
According to the mass fraction, with 0.25 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 0.3 part of UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate and 100 parts of PEN mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly gets thickness and be 0.01 millimeter pen film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.3 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.01 millimeter PEN film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.4%.
Embodiment 4
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.1 part two (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites is as antioxidant, 0.3 part UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.4 part coupling agent VTES, mix with 2 parts of peroxidized t-butyl perbenzoates, after mixing with 100 parts of EVA pellets and 1 part of EMA pellet then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.1 millimeter eva film.
According to the mass fraction, with 0.25 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.25 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 1 part of UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and 100 parts of PET mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly get thickness and be 0.3 millimeter PET film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.1 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.3 millimeter PET film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.1%.
Embodiment 5:
According to the mass fraction, with 0.2 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.8 pair (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites is as antioxidant, 0.3 part UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.4 part coupling agent VTES, mix with 2 parts of peroxidized t-butyl perbenzoates, after mixing with 100 parts of EVA pellets and 10 parts of MAn-g-EVA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.1 millimeter eva film.
According to the mass fraction, with 0.2 part two (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites and 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 0.3 part of two (1-octyloxy-2 of UV light stabilizing agent, 2,6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems diester and 100 parts of PETG mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly getting thickness is 0.2 millimeter PETG film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.1 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.2 millimeter PETG film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.2%.
Embodiment 6
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.2 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.3 part UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.3 part coupling agent γ-methylacryoyloxyethyl trimethoxy silane, 1.3 part 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane mixes, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.2 millimeter eva film.
According to the mass fraction, with 0.25 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is as antioxidant, two (the 1-octyloxies-2 of 0.3 part of UV light stabilizing agent, 2,6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems diester and 100 parts of PEN mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly gets thickness and be 0.01 millimeter pen film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.2 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.01 millimeter PEN film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.4%.
Embodiment 7
According to the mass fraction, with 1.0 parts of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.5 part of tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester) as antioxidant, 1.5 part UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, 4.0 part coupling agent γ-methylacryoyloxyethyl trimethoxy silane, with 2.0 part 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane mixes, after mixing with 100 parts of EVA pellets and 10 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.1 millimeter eva film.
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 0.3 part of UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and 100 parts of PETG mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly get thickness and be 0.1 millimeter PETG film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.1 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.1 millimeter PETG film heat is compound, obtain the stratiform compound cutan, its shrinkage factor＜0.2%.
Embodiment 8
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.2 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.3 part UV light stabilizing agent two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, 0.4 part coupling agent γ-glycidyl ether oxygen propyl trimethoxy silicane, with 1.3 part 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane mixes, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.1 millimeter eva film.
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant and 0.1 part of UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate and 100 parts of PBT mixed with resin evenly after, extrude with the extruder blend, temperature is controlled at 290 ℃, through curtain coating, cooling, traction, coiling process, promptly gets thickness and be 0.3 millimeter PBT film at extrudate.
Two of eva films getting the above-mentioned thickness that makes and be 0.1 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.3 millimeter PBT film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.3%.
Embodiment 9
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.2 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.3 part UV light stabilizing agent two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.4 part coupling agent gamma-aminopropyl-triethoxy-silane, with 1.3 part 1,1-(two tert-butyl peroxide) 3,3, the 5-trimethyl-cyclohexane mixes, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.3 millimeter eva film.
According to the mass fraction, with 1.5 parts of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 0.5 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.5 part of tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester) and 0.5 part two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate as UV light stabilizing agent with after 100 parts of PEN pellets mix, extrude with the extruder blend, temperature is controlled at 290 ℃, and extrudate is through curtain coating, cooling, traction, coiling process, promptly gets thickness and be 0.3 millimeter PEN film.
Two of eva films getting the above-mentioned thickness that makes and be 0.3 millimeter are respectively as upper and lower layer eva film, with thickness be that 0.3 millimeter PEN film heat is compound, obtain the stratiform compound cutan, its shrinkage factor is 0.1%.
Embodiment 10
According to the mass fraction, with 0.1 part of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid and 0.2 part of tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) are as antioxidant, 0.1 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate and 0.1 part of tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester) as UV light stabilizing agent, 0.1 part gamma-aminopropyl-triethoxy-silane and 0.2 part of VTES are as coupling agent, and 0.6 part 1,1-(two tert-butyl peroxide) 3,3,5-trimethyl-cyclohexane and 0.6 part of tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite mix as peroxide stabiliser, after mixing with 100 parts of EVA pellets and 5 parts of EAA pellets then, extrude with the extruder blend, temperature is controlled at 90-100 ℃, at extrudate through curtain coating, cooling, traction, coiling process promptly gets thickness and is 0.2 millimeter eva film.
According to the mass fraction, with 1.0 parts of β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid is as antioxidant, 1.0 parts of UV light stabilizing agents two (2,2,6,6-tetramethyl-4-piperidyl) after sebacate and the 100 parts of PET mixed with resin, extrude with the extruder blend, temperature is controlled at 290 ℃, and extrudate is through curtain coating, cooling, traction, coiling process, promptly gets thickness and be 0.3 millimeter PET film.
Two of eva films getting the above-mentioned thickness that makes and be 0.2 meter are respectively as upper and lower layer eva film, with thickness be that 0.3 meter PET film heat is compound, obtain the stratiform compound cutan, shrinkage factor is 0.2%.
Claims (10)
1. used for encapsulation of solar battery stratiform compound cutan, it is characterized in that: constitute by upper strata ethylene-vinyl acetate copolymer film, sandwich layer film and lower floor's ethylene-vinyl acetate copolymer film, described sandwich layer film is pet film, PTT film, poly terephthalic acid-1,4-cyclohexanedimethanoester ester film or PEN film.
2. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 1, it is characterized in that: described pet film, PTT film, poly terephthalic acid-1, the thickness of 4-cyclohexanedimethanoester ester film or PEN film is the 0.01-0.3 millimeter.
3. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 1 is characterized in that: the thickness of described ethylene-vinyl acetate copolymer film is the 0.1-0.3 millimeter.
4. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 1, it is characterized in that: described pet film, PTT film, poly terephthalic acid-1,4-cyclohexanedimethanoester ester film or PEN film are prepared by following method:
Get 100 parts of pet resins, polytrimethylene terephthalate, poly terephthalic acid-1,4-cyclohexanedimethanoester ester resin or PEN resin, after mixing with 0.02-1.5 part antioxidant and 0.1-1.5 part hindered amines UV light stabilizing agent, extrude curtain coating and be shaped.
5. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 1, it is characterized in that: described ethylene-vinyl acetate copolymer film is that the mass content by 100 parts of vinylacetates is after 28%～42% EVA pellet, 1-10 part compatilizer pellet, 0.5-2.0 part peroxide, 0.02-1.5 part antioxidant, 0.1-1.5 part hindered amines UV light stabilizing agent and 0.1-4.0 part silane coupler mix in proportion, and extrudes curtain coating, cooling in 60-110 ℃ of temperature range, draw, batches and form.
6. as claim 4 or 5 described used for encapsulation of solar battery stratiform compound cutans, it is characterized in that: described antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5 di-tert-butyl-hydroxy phenyls) the positive octadecanol ester of propionic acid, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), two (2, the 4-di-tert-butyl-phenyl) one or more in pentaerythritol diphosphites or three (2, the 4-di-tert-butyl-phenyl) phosphite ester.
7. as claim 4 or 5 described used for encapsulation of solar battery stratiform compound cutans, it is characterized in that: described UV light stabilizing agent is two (2 of a hindered amines, 2,6,6-tetramethyl-4-piperidyl) sebacate, tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester), two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, two (2,2,6,6-tetramethyl-4-piperidyl) sebacate or two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) one or more in the diester in the last of the ten Heavenly stems.
8. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 5, it is characterized in that: described compatilizer is a kind of in ethylene-methacrylic acid copolymer, ethylene-acrylic acid copolymer or the maleic anhydride grafted ethene-acetate ethylene copolymer, wherein, the molar content of hydroxy-acid group is 0.5% to 30%.
9. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 5 is characterized in that: described coupling agent is one or more in VTES, gamma-aminopropyl-triethoxy-silane, γ-methylacryoyloxyethyl trimethoxy silane or the γ-glycidyl ether oxygen propyl trimethoxy silicane.
10. used for encapsulation of solar battery stratiform compound cutan as claimed in claim 5, it is characterized in that: described peroxide is 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, 1,1-(two tert-butyl peroxide) 3,3, one or more in 5-trimethyl-cyclohexane or the peroxidized t-butyl perbenzoate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138433XA CN102285175A (en) | 2011-05-26 | 2011-05-26 | Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138433XA CN102285175A (en) | 2011-05-26 | 2011-05-26 | Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102285175A true CN102285175A (en) | 2011-12-21 |
Family
ID=45332032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110138433XA Pending CN102285175A (en) | 2011-05-26 | 2011-05-26 | Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102285175A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863918A (en) * | 2012-10-19 | 2013-01-09 | 杭州索康博能源科技有限公司 | High-efficiency solar packaging film |
| CN106947071A (en) * | 2017-03-03 | 2017-07-14 | 华东理工大学 | The Preparation method and use of the cyclohexanedimethanoester ester film of poly terephthalic acid 1,4 |
| CN108481851A (en) * | 2018-02-11 | 2018-09-04 | 惠州宝柏包装有限公司 | A kind of laminated film |
| CN111572861A (en) * | 2020-05-15 | 2020-08-25 | 北京爱蜂科技有限公司 | Method for packaging collection |
| CN112080215A (en) * | 2019-06-14 | 2020-12-15 | 上海海优威新材料股份有限公司 | Composite adhesive film for laminated glass |
| CN114714714A (en) * | 2022-03-22 | 2022-07-08 | 浙江中聚材料有限公司 | Non-crosslinked photovoltaic adhesive film with high lamination efficiency and preparation process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045505A1 (en) * | 2000-01-31 | 2001-11-29 | Masashi Morizane | Solar cell module |
| EP1302988A2 (en) * | 2001-10-12 | 2003-04-16 | Bayer Aktiengesellschaft | Photovoltaic modules with a thermoplastic adhesive layer and method for fabricating the same |
| CN1699458A (en) * | 2005-05-27 | 2005-11-23 | 华南理工大学 | Aging-resistant EVA film adhesive for solar cell package and method for preparing same |
| JP2006303233A (en) * | 2005-04-21 | 2006-11-02 | Sekisui Chem Co Ltd | Adhesive sheet for solar cell |
| WO2011016495A1 (en) * | 2009-08-07 | 2011-02-10 | 株式会社クラレ | Polyvinyl acetal composition, laminate, and use thereof |
| JP4662806B2 (en) * | 2005-04-21 | 2011-03-30 | 積水フイルム株式会社 | Manufacturing method of adhesive sheet for solar cell |
-
2011
- 2011-05-26 CN CN201110138433XA patent/CN102285175A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045505A1 (en) * | 2000-01-31 | 2001-11-29 | Masashi Morizane | Solar cell module |
| EP1302988A2 (en) * | 2001-10-12 | 2003-04-16 | Bayer Aktiengesellschaft | Photovoltaic modules with a thermoplastic adhesive layer and method for fabricating the same |
| JP2006303233A (en) * | 2005-04-21 | 2006-11-02 | Sekisui Chem Co Ltd | Adhesive sheet for solar cell |
| JP4662806B2 (en) * | 2005-04-21 | 2011-03-30 | 積水フイルム株式会社 | Manufacturing method of adhesive sheet for solar cell |
| CN1699458A (en) * | 2005-05-27 | 2005-11-23 | 华南理工大学 | Aging-resistant EVA film adhesive for solar cell package and method for preparing same |
| WO2011016495A1 (en) * | 2009-08-07 | 2011-02-10 | 株式会社クラレ | Polyvinyl acetal composition, laminate, and use thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863918A (en) * | 2012-10-19 | 2013-01-09 | 杭州索康博能源科技有限公司 | High-efficiency solar packaging film |
| CN106947071A (en) * | 2017-03-03 | 2017-07-14 | 华东理工大学 | The Preparation method and use of the cyclohexanedimethanoester ester film of poly terephthalic acid 1,4 |
| CN108481851A (en) * | 2018-02-11 | 2018-09-04 | 惠州宝柏包装有限公司 | A kind of laminated film |
| CN112080215A (en) * | 2019-06-14 | 2020-12-15 | 上海海优威新材料股份有限公司 | Composite adhesive film for laminated glass |
| CN111572861A (en) * | 2020-05-15 | 2020-08-25 | 北京爱蜂科技有限公司 | Method for packaging collection |
| CN114714714A (en) * | 2022-03-22 | 2022-07-08 | 浙江中聚材料有限公司 | Non-crosslinked photovoltaic adhesive film with high lamination efficiency and preparation process thereof |
| CN114714714B (en) * | 2022-03-22 | 2023-09-05 | 浙江中聚材料有限公司 | Non-crosslinked photovoltaic adhesive film with high lamination efficiency and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102275363A (en) | Low-shrinkage EVA (ethylene vinyl acetate)/PC (polycarbonate) composite adhesive film for encapsulating solar cells | |
| CN100424126C (en) | Aging-resistant EVA film adhesive for solar cell package and method for preparing same | |
| CN102285175A (en) | Low-shrinkage lamellar compound EVA (Ethylene Vinyl Acetate) glue film used for packaging solar battery | |
| CN102115642B (en) | EVA (ethylene vinyl-acetate copolymer) adhesive film capable of simplifying packaging structure of solar battery | |
| CN103173145B (en) | EVA (Ethylene Vinyl-Acetate) glue film special for packaging double glass solar assembly and preparation method thereof | |
| CN101735744B (en) | EVA hot melt adhesive sheet for solar battery | |
| CN102268229A (en) | Laminar composite PVB (Polyvinyl Butyral) adhesive film for packaging solar cell | |
| WO2014100301A1 (en) | Cross-linked polymers and their use in photovoltaic modules | |
| CN112980340B (en) | Packaging adhesive film for packaging HJT battery, preparation method of packaging adhesive film and photovoltaic module prepared by packaging adhesive film | |
| TW201034216A (en) | Mechanically reliable solar cell modules | |
| CN106147633A (en) | UV crosslinking curing acrylate modified EVA optical adhesive film and preparation method thereof | |
| CN108611025A (en) | A kind of super fast curing solar energy packaging adhesive film and preparation method thereof | |
| CN102666616A (en) | Sealing film for solar cells, and solar cells | |
| CN107681015A (en) | The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes | |
| CN102196911A (en) | Improved non-autoclave lamination process for manufacturing solar cell modules | |
| CN104591552A (en) | Laminated glass and preparation method thereof | |
| CN106244032A (en) | A kind of EVA adhesive film used for solar batteries and preparation method thereof | |
| CN111253876A (en) | Packaging adhesive film for photovoltaic module and preparation method thereof | |
| CN103890967A (en) | Sealing film for solar cells, and solar cell using same | |
| CN111534237B (en) | Photo-thermal dual-curing polyolefin packaging adhesive film and preparation method thereof | |
| CN212323012U (en) | Photovoltaic module containing multilayer packaging adhesive film | |
| CN114613871A (en) | Light flexible photovoltaic module | |
| CN114806422A (en) | UV cut-off EPE photovoltaic adhesive film, preparation method thereof and photovoltaic module | |
| CN114774023A (en) | EPE photovoltaic adhesive film, preparation method thereof and photovoltaic module | |
| JP2014239138A (en) | Method of manufacturing solar battery module, and solar battery module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |