CN102775924A - Hydrolysis-resistant solar packaging EVA (ethylene-vinyl acetate) film, and preparation method and use method thereof - Google Patents
Hydrolysis-resistant solar packaging EVA (ethylene-vinyl acetate) film, and preparation method and use method thereof Download PDFInfo
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention relates to a hydrolysis-resistant solar packaging EVA (ethylene-vinyl acetate) film, and a preparation method and a use method thereof. The hydrolysis-resistant solar packaging EVA film is made of the following raw materials in parts by weight: 100 parts of EVA, 0.8-1.5 parts of peroxide cross-linking agent, 0.2-0.6 parts of tackifier, 0.1-0.5 parts of antioxidant, 0.05-0.25 parts of ultraviolet stabilizer, 0.1-0.3 parts of ultraviolet absorber and 0.1-1.0 part of hydrolysis resisting agent which is polycarbodiimide. Compared with the traditional products, by adding the hydrolysis resisting agent and regulating proportions of other additives to slow down hydrolysis speed of the EVA and partial additives, the service life of the packaging film is prolonged.
Description
Technical field
The present invention relates to a kind of hydrolysis type sun power packaging adhesive film, relate in particular to a kind of hydrolysis type EVA film adhesive for solar cell package.
Background technology
At present; As the EVA (Injecatable EVA Copolymer) of photovoltaic module packaging adhesive film, because of the requirement of its environment for use must add various auxiliary agents solve its material self chemical structure unstable caused can't the defective of long-term exposure in complex environments such as light, heat, oxygen, water.Usually the auxiliary agent that is added comprises UV light absorber, photostabilizer, oxidation inhibitor, linking agent or the like.
Though the adding of auxiliary agent has improved each item performance of EVA glued membrane to a certain extent, but still a lot of deficiencies are arranged.Secular hot and humid environment can cause many influences to EVA, and for example the hydrolysis of EVA self makes it lose original performance, and the acetic acid that hydrolysis produced can accelerate ager process and corrosion assembly each position, and the hydrolytic process of EVA self is following:
Also there are problems such as auxiliary agent hydrolysis loss in addition, greatly shortened the work-ing life of photovoltaic module.
For example as the just hydrolysis extremely easily of phosphorous acid esters of auxiliary antioxidant, the hydrolytic process of phosphite ester kind antioxidant is following:
Ageing resistance to packaging adhesive film has a negative impact.In order to address this problem; The Hinered phenols phosphite antioxidant that often adopts the alternative R alkyl of Ar is with the opposing hydrolytic action; But this causes the fusing point of auxiliary agent too high usually (oxidation inhibitor 168 commonly used; Fusing point is higher than 180 ℃) that it is disperseed in polymer architecture is inhomogeneous, weakens the performance of resistance of aging.The structure of oxidation inhibitor 168 is following:
The source of steam mainly contains the preceding moisture absorption of (1) EVA lamination in the assembly; (2) decomposition of auxiliary agent and the moisture that reacts generation;
(3) infiltration of steam under the moisture environment: backboard can not 100% intercepts steam, and has good hydrophilicity as the glass surface of inorganic materials, makes moisture infiltrate component internal through the edge easily.
Summary of the invention
One of the object of the invention is to solve the hydrolytic resistance deficiency of present sun power packaged material EVA glued membrane and causes the ageing resistance variation, and a kind of hydrolysis type EVA film adhesive for solar cell package is provided.
Two of the object of the invention is to provide a kind of preparation method of hydrolysis type EVA film adhesive for solar cell package.
Three of the object of the invention is to provide a kind of method of use of hydrolysis type EVA film adhesive for solar cell package.
The objective of the invention is to realize like this: a kind of hydrolysis type EVA film adhesive for solar cell package, said EVA glued membrane is made up of the raw material of following massfraction:
100 parts of EVA resins
Linking agent 0.8-1.5 part
Tackifier 0.2-0.6 part
Oxidation inhibitor 0.1-0.5 part
UV light stabilizing agent 0.05-0.25 part
Ultraviolet absorbers 0.1-0.3 part
Hydrolysis-resisting agent 0.1-1.0 part
VA in the said ethylene vinyl acetate resin (vinyl acetate between to for plastic) content is 28%-33%, and melt flow rate(MFR) is 30g/10min (testing standard: the every 10min of EVA melt is through the quality of standard mouth mould under 190 ℃, load 2.16kg condition).
Said linking agent is one of following or the mixture of several kinds (two or more) wherein: tert-butyl hydroperoxide 2-ethylhexyl carbonic ether, ditertiary butyl peroxide, Di Cumyl Peroxide 99,2; 5-dimethyl--2,5-di-t-butyl peroxy-3-hexin, α, α-dual-tert-butyl peroxy isopropyl base benzene, 2; 2-two (t-butyl peroxy) butane, 1; 1-bis(t-butylperoxy)-3,3,5-trimethyl-cyclohexane, t-butyl peroxy neodecanoic acid;
Said tackifier are one of following or the mixture of several kinds (two or more) wherein: r-glycidyl ether oxygen propyl trimethoxy silicane, vinyl trichloro silane, vinyltriethoxysilane, vinyl three (2-methoxy ethoxy) silane, γ-methacryloxypropyl trimethoxy silane, 3-sulfenyl propyl trimethoxy silicane, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan;
Said oxidation inhibitor is one of following or the mixture of several kinds (two or more) wherein: two (2; The 4-dicumylphenyl) pentaerythritol diphosphites, two hard ester group pentaerythritol diphosphites, β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid isooctyl alcohol ester, 1; 3,5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) tricarbimide, β-(3; The 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid, four (β-(3; The 5-di-tert-butyl-hydroxy phenyl) pentaerythritol ester, 2 propionic acid), 2`-methylene-bis (4-methyl-6-tert butyl phenol), four (2,4-di-tert-butyl-phenyl-4,4 ' xenyl) biphosphinate, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester;
Said ultraviolet absorbers is one of following or two or more mixture: 2-[2-hydroxyl-5-(1 wherein; 1; 3; The 3-tetramethylbutyl) phenyl] benzotriazole, 2-hydroxyl-4-methoxy benzophenone, 2-(2H-benzotriazole-2-yl)-6-dodecyl-4-cresols, 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 2,2'-methylene-bis (uncle's 4-octyl group-6-benzotriazole phenol), 2-(2-hydroxyl-5-phenmethyl) benzotriazole, 2-hydroxyl-4-methoxy benzophenone-5-sulfonic acid;
Said UV light stabilizing agent is one of following or two or more mixture wherein: poly-succinic (4-hydroxyl-2,2,6,6-tetramethoxy-1-piperidines ethanol) ester, sebacic acid two (2,2,6, the 6-tetramethyl-piperidyl) ester;
Said hydrolysis-resisting agent is one of following or two kinds mixture: carbodiimide, polycarbodiimide.
Its preparation method is:
Step 1: the auxiliary agent (linking agent, tackifier, hydrolysis-resisting agent) that will be liquid state by proportioning adds raw material; Add the auxiliary agent (oxidation inhibitor, UV light absorber, photostabilizer, hydrolysis-resisting agent) that is powder shaped after mixing 20-30min, mix 20-30min;
Step 2: the mixture that step 1 is mixed joins forcing machine and carries out mixing plasticizing, and the temperature of forcing machine is controlled at 82-88 ℃, and extrudate is through embossing, cooling, and traction promptly obtains highly hydrolytic resistance sun power packaging adhesive film with rolling.
The present invention has following characteristics:
In prescription, increase the hydrolysis-resisting agent carbodiimide or/and polycarbodiimide, it can be neutralized into non-harmful urea with water and acid, thereby the stability of material is not caused negative influence.
Carbodiimide is following with the reaction formula of acid:
The reaction formula of carbodiimide and water is following:
The present invention compares with traditional product, delays the hydrolysis rate of EVA and part of auxiliary through the ratio of adding hydrolysis-resisting agent and regulating other auxiliary agents, thereby prolongs the life-span of packaging adhesive film.
Specific embodiments:
Below in conjunction with the practical implementation example the present invention is described further, but protection scope of the present invention is not limited in this;
Embodiment 1:
At 100 mass parts vinyl acetate contents is 33%; Melt index values be add 1.5 mass parts linking agent t-butyl peroxy neodecanoic acids (Luperox TAPD) in the EVA raw material of 30g/10min, 0.5 part of tackifier γ-methacryloxypropyl trimethoxy silane (Silquest A-174 Silane) adds 0.2 part of oxidation inhibitor β-(3 after mixing 20min; The 5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid (BASF IRGANOX 1076), 0.25 part of ultraviolet absorbers 2-[2-hydroxyl-5-(1; 1; 3,3-tetramethylbutyl) phenyl] benzotriazole (Ciba UV-328), 0.1 part of UV light stabilizing agent sebacic acid two (2,2; 6; The 6-tetramethyl-piperidyl) ester, 0.2 part of hydrolysis-resisting agent polycarbodiimide (Stabaxol P) mix 30min, batch mixing is dropped into forcing machine carry out mixing plasticizing, and extruder temperature is controlled at 83 ℃.Extrudate makes the EVA glued membrane W1 that thickness is 0.5mm after embossing such as finalizes the design, cools off, draws, batches at operation.
Embodiment 2:
Add 1.5 mass parts linking agents 1 in the EVA resin raw material that be 33% at 100 mass parts vinyl acetate contents, melt index values is 30g/10min; 1-bis(t-butylperoxy)-3; 3; Mix after the 30min 5-trimethyl-cyclohexane, 0.5 part of tackifier γ-methacryloxypropyl trimethoxy silane (Silquest A-174 Silane), 0.15 part of hydrolysis-resisting agent polycarbodiimide (Stabaxol P250) back; Add 0.2 part of oxidation inhibitor β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid (BASF IRGANOX 1076), 0.25 part of ultraviolet absorbers 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 0.1 part of UV light stabilizing agent sebacic acid two (2,2 respectively; 6; The 6-tetramethyl-piperidyl) ester drops into forcing machine with batch mixing behind the mixing 20min and carries out mixing plasticizing, and extruder temperature is controlled at 83 ℃.Extrudate makes the EVA glued membrane W2 that thickness is 0.5mm after embossing such as finalizes the design, cools off, draws, batches at operation.
Embodiment 3:
Add 1.5 mass parts linking agents 1 in the EVA raw material that be 33% at 100 mass parts vinyl acetate contents, melt index values is 30g/10min; 1-bis(t-butylperoxy)-3; 3; 5-trimethyl-cyclohexane, 0.5 part of tackifier r-glycidyl ether oxygen propyl trimethoxy silicane (DOW CORNING Z-6040), 0.15 part of hydrolysis-resisting agent polycarbodiimide (Stabaxol P250) add 0.25 part of oxidation inhibitor four (β-(3 respectively after mixing 30min; The 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester (BASF IRGANOX 1010), 0.2 part of ultraviolet absorbers 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 0.15 part of UV light stabilizing agent poly-succinic (4-hydroxyl-2; 2,6,6-tetramethoxy-1-piperidines ethanol) ester; Behind the mixing 20min batch mixing is dropped into forcing machine and carry out mixing plasticizing, extruder temperature is controlled at 83 ℃.Extrudate makes the EVA glued membrane W3 that thickness is 0.5mm after embossing such as finalizes the design, cools off, draws, batches at operation.
Embodiment 4:
At 100 mass parts vinyl acetate contents is 28%; Melt index values is to add 1.5 mass parts linking agents 1 in the EVA raw material of 30g/10min; 1-bis(t-butylperoxy)-3; 3,5-trimethyl-cyclohexane, 0.5 part of tackifier vinyl three (2-methoxy ethoxy) silane (Silquest A-172) add 0.2 part of oxidation inhibitor 2-hydroxyl-4-methoxy benzophenone (CYTEC CYASORB UV-9), 0.25 part of ultraviolet absorbers 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 0.1 part of UV light stabilizing agent poly-succinic (4-hydroxyl-2,2 respectively after mixing 20min; 6; 6-tetramethoxy-1-piperidines ethanol) ester, 0.2 part of hydrolysis-resisting agent polycarbodiimide (Stabaxol P100) drop into forcing machine with batch mixing behind the mixing 20min and carry out mixing plasticizing, and extruder temperature is controlled at 83 ℃.Extrudate makes the EVA glued membrane W4 that thickness is 0.5mm after embossing such as finalizes the design, cools off, draws, batches at operation.
Embodiment 5:
At 100 mass parts vinyl acetate contents is 28%; Melt index values is to add 1.5 mass parts linking agents 1 in the EVA raw material of 30g/10min; 1-bis(t-butylperoxy)-3; 3; 5-trimethyl-cyclohexane, 0.5 part of tackifier γ-methacryloxypropyl trimethoxy silane (Silquest A-174 Silane), 0.25 part of hydrolysis-resisting agent polycarbodiimide (Stabaxol P200) add 0.2 part of oxidation inhibitor β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid (BASF IRGANOX 1076), 0.25 part of ultraviolet absorbers 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 0.1 part of UV light stabilizing agent sebacic acid two (2,2 respectively after mixing 30min; 6; The 6-tetramethyl-piperidyl) ester drops into forcing machine behind the mixing 20min and carries out mixing plasticizing, and extruder temperature is controlled at 83 ℃.Extrudate makes the EVA glued membrane W5 that thickness is 0.5mm after embossing such as finalizes the design, cools off, draws, batches at operation.
Comparative Examples 1-5; Be used in the corresponding preparation method of instance 1-5 respectively; Its difference only is not add hydrolysis-resisting agent, and other auxiliary agent content is prepared EVA glued membrane W1 ', W2 ', W3 ', W4 ', the W5 ' corresponding respectively with EVA glued membrane W1, W2, W3, W4, W5.
Performance test scheme and result:
Sample preparation standard: cut 2 on various EVA glued membranes respectively, specification 13cm*13cm; Backboard and glass cutting become appropriate size; Stack according to glass/EVA/EVA/ backboard, two-layer EVA decorative pattern face joins; Obtain containing hydrolysis-resisting agent specimen W1-W5 after the lamination, and corresponding hydrolysis-resisting agent sample the W1 '-W5 ' that do not contain.
The following performance of main test is following:
(1) EVA hydrolysis degree test (ATR-FTIR method)
Respectively ten samples are carried out the hydrothermal aging test by the GB/T2423.3 TP;
Test conditions: 85 ℃ of temperature, relative humidity 85%, time 1000H;
Get W1-W5 and W1 '-W5 ' sample central position EVA behind aging the end respectively and carry out the ATR-FTIR test, detect its hydroxyl and acetate absorption peak height.Test result is seen table 1 and table 2:
The hydroxyl and the acetate characteristic absorbance peak heights of table 1:W1-W5 sample
| Project | W1 | W2 | W3 | W4 | W5 |
| Hydroxyl absorption height (%) | 1.25 | 1.04 | 1.42 | 1.13 | 1.35 |
| Acetate characteristic peak absorption height (%) | 1.03 | 0.89 | 1.36 | 0.93 | 1.17 |
The hydroxyl and the acetate characteristic absorbance peak heights of table 2:W1 '-W 5 ' sample
| Project | W1’ | W2’ | W3’ | W4’ | W5’ |
| Hydroxyl absorption height (%) | 4.32 | 3.26 | 4.53 | 3.96 | 4.12 |
| Acetate characteristic peak absorption height (%) | 3.76 | 3.19 | 3.86 | 3.35 | 3.56 |
Can find out from table 1 and table 2: contain hydrolysis-resisting agent W1-W5 sample-OH and-COOH absorption peak height is well below following W1 '-W5 ' the assembly sample of test of equal conditions.
(2) wet and heat ageing resistant performance
Sample is carried out the hydrothermal aging test by GB/T 2423.3 experimental techniques
Test conditions: 85 ℃, 85RH%, 2000h
Xanthochromia index (δ YI) is tested by GB2409-80 " plastics yellowness index TP "; Test result is seen table 3 and table 4.
Table 3: sample W1-W 5 hydrothermal aging xanthochromia index test results among the embodiment 1-5
Table 4: sample W1 ' among the Comparative Examples 1-5-W 5 ' hydrothermal aging xanthochromia index test result
Through relatively, that test result shows is two eight or five (promptly 85 ℃ 85RH%) are worn out the xanthochromia index of sample W1-W5 behind the 2000h far below the xanthochromia index of W1 '-W5 '.
(3) ultraviolet ageing performance
Carry out the uv irradiation burn-in test according to International Electrotechnical Commission Standard IEC61345 specified requirement: test condition:
60 ± 5 ℃ of specimen surface temperature, test period 2000h
Wavelength is: 280-400nm, irradiation intensity are 1.5kwh/ ㎡
Xanthochromia index (δ YI) is tested by GB2409-80 " plastics yellowness index TP ".
Table 5: W1-W5 sample ultraviolet ageing xanthochromia index test result among the embodiment 1-5
Table 4: sample W1 ' among the Comparative Examples 1-5-W5 ' ultraviolet ageing xanthochromia index test result
Through comparing: the xanthochromia index of sample W1-5 was lower than the xanthochromia index of W1 '-W5 ' after test result showed ultraviolet ageing 2000h.
Above-mentioned test result shows since hydrolysis-resisting agent and water and can accelerated ageing process-reaction and the restraining effect of COOH, make that the EVA glued membrane moisture-proof behind this additive modification is warm, the ultraviolet ageing performance all is significantly improved; Assembly EVA in use itself and auxiliary agent hydrolysis time also are able to delay.Therefore the EVA glued membrane that the present invention relates to can increase substantially the work-ing life and the generating efficiency of photovoltaic module.
Claims (10)
1. hydrolysis type EVA film adhesive for solar cell package, it is characterized in that: described EVA glued membrane is made up of the raw material of following mass fraction:
In mass fraction:
100 parts of ethylene vinyl acetates
Linking agent 0.8-1.5 part
Tackifier 0.2-0.6 part
Oxidation inhibitor 0.1-0.5 part
UV light stabilizing agent 0.05-0.25 part
Ultraviolet absorbers 0.1-0.3 part
Hydrolysis-resisting agent 0.1-1.0 part;
Said hydrolysis-resisting agent is one of following or two kinds mixture: carbodiimide, polycarbodiimide.
2. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1, it is characterized in that: VA content is 28-33% in the said ethylene vinyl acetate, melt flow rate(MFR) is 30g/10min.
3. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1; It is characterized in that: said linking agent is one of following or several kinds mixture wherein: tert-butyl hydroperoxide 2-ethylhexyl carbonic ether, ditertiary butyl peroxide, Di Cumyl Peroxide 99,2; 5-dimethyl--2,5-di-t-butyl peroxy-3-hexin, α, α-dual-tert-butyl peroxy isopropyl base benzene, 2; 2-two (t-butyl peroxy) butane, 1; 1-bis(t-butylperoxy)-3,3, the 5-trimethyl-cyclohexane.
4. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1 is characterized in that: said tackifier are one of following or several kinds mixture wherein: r-glycidyl ether oxygen propyl trimethoxy silicane, vinyl trichloro silane, vinyltriethoxysilane, vinyl three (2-methoxy ethoxy) silane, γ-methacryloxypropyl trimethoxy silane, 3-sulfenyl propyl trimethoxy silicane, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan.
5. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1 is characterized in that: said oxidation inhibitor is one of following or several kinds mixture wherein: two (2, the 4-dicumylphenyl) pentaerythritol diphosphites;
Two hard ester group pentaerythritol diphosphites; β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid isooctyl alcohol ester, 1,3; 5-three (3; The 5-di-tert-butyl-4-hydroxyl benzyl) tricarbimide, the β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid, four (β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, 2; 2`-methylene-bis (4-methyl-6-tert butyl phenol), four (2,4-di-tert-butyl-phenyl-4,4 ' xenyl) biphosphinate, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester.
6. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1; It is characterized in that: said ultraviolet absorbers is one of following or several kinds mixture: 2-[2-hydroxyl-5-(1 wherein; 1; 3; The 3-tetramethylbutyl) phenyl] benzotriazole, 2-hydroxyl-4-methoxy benzophenone, 2-(2H-benzotriazole-2-yl)-6-dodecyl-4-cresols, 2-(2'-hydroxyl-3'-tertiary butyl-5'-aminomethyl phenyl)-5-chlorobenzotriazole, 2,2'-methylene-bis (uncle's 4-octyl group-6-benzotriazole phenol), 2-(2-hydroxyl-5-phenmethyl) benzotriazole, 2-hydroxyl-4-methoxy benzophenone-5-sulfonic acid.
7. a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 1; It is characterized in that: said UV light stabilizing agent is one of following or two kinds mixture wherein: poly-succinic (4-hydroxyl-2,2,6; 6-tetramethoxy-1-piperidines ethanol) ester, sebacic acid two (2; 2,6, the 6-tetramethyl-piperidyl) ester.
8. the method for preparing the described hydrolysis type of claim 1-7 EVA film adhesive for solar cell package; It is characterized in that: step 1: by the auxiliary agent adding raw material of proportioning liquid form; Mix the auxiliary agent that 20-30min adds powder morphology afterwards, mix 20-30min;
Step 2: the mixture that step 1 is mixed joins forcing machine and carries out mixing plasticizing, and the temperature of forcing machine is controlled at 82-88 ℃, and extrudate is through embossing, cooling, and traction promptly obtains highly hydrolytic resistance sun power packaging adhesive film with rolling.
9. the method for use of a hydrolysis type EVA film adhesive for solar cell package: it is characterized in that: aforesaid right is required the EVA glued membrane of 8 preparations, stack, get final product after the lamination according to glass/EVA/EVA/ backboard.
10. the method for use of a kind of hydrolysis type EVA film adhesive for solar cell package according to claim 9: it is characterized in that: described EVA glued membrane single face is provided with decorative pattern, and when two-layer EVA film stacked, the decorative pattern face of two-layer EVA film joined.
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| CN103224758A (en) * | 2013-01-29 | 2013-07-31 | 中科院广州化学有限公司 | EVA adhesive film for solar cell packaging and preparation method thereof |
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| KR101837310B1 (en) | 2016-12-07 | 2018-03-09 | 한화토탈 주식회사 | Method for manufacturing Ethylene vinyl acetate copolymer for solar cell encapsulant and preparation method therefor |
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| CN101626039A (en) * | 2009-07-27 | 2010-01-13 | 江阴爱康太阳能器材有限公司 | Solar cell packaging EVA adhesive film capable of resisting heat, humidity, ultraviolet light and aging |
| CN102250554A (en) * | 2011-05-23 | 2011-11-23 | 乐凯胶片股份有限公司 | Sealing adhesive film for solar cell |
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| CN103224758A (en) * | 2013-01-29 | 2013-07-31 | 中科院广州化学有限公司 | EVA adhesive film for solar cell packaging and preparation method thereof |
| CN103224758B (en) * | 2013-01-29 | 2015-04-22 | 中科院广州化学有限公司 | EVA adhesive film for solar cell packaging and preparation method thereof |
| CN103173145A (en) * | 2013-03-19 | 2013-06-26 | 广州鹿山新材料股份有限公司 | EVA (Ethylene Vinyl-Acetate) glue film special for packaging double glass solar assembly and preparation method thereof |
| CN103173145B (en) * | 2013-03-19 | 2015-01-14 | 广州鹿山新材料股份有限公司 | EVA (Ethylene Vinyl-Acetate) glue film special for packaging double glass solar assembly and preparation method thereof |
| CN103342856A (en) * | 2013-07-09 | 2013-10-09 | 昆山天洋热熔胶有限公司 | Preparation method of filler thermally conductive composite EVA (ethylene vinyl acetate copolymer) adhesive film for encapsulating solar cell |
| CN103381691A (en) * | 2013-07-27 | 2013-11-06 | 乐凯胶片股份有限公司 | Hydrolysis-resistant highly-inflaming-retarding solar cell back film |
| CN103381691B (en) * | 2013-07-27 | 2016-03-02 | 乐凯胶片股份有限公司 | The strong fire-retardant solar battery back film of a kind of hydrolysis |
| CN103923374A (en) * | 2014-03-28 | 2014-07-16 | 江苏斯威克新材料有限公司 | EVA (Ethylene Vinyl Acetate) glue film capable of reducing PID (Potential-Induced Degradation) phenomena of photovoltaic module, as well as preparation technology thereof |
| CN104356968A (en) * | 2014-11-12 | 2015-02-18 | 南京红宝丽新材料有限公司 | Double-layer solar cell module packaging adhesive film and preparation method thereof |
| CN105176428A (en) * | 2015-09-30 | 2015-12-23 | 昆山天洋热熔胶有限公司 | High-definition EVA (ethylene vinyl acetate copolymer) laminated glass middle film and preparation method thereof |
| CN106047194A (en) * | 2016-07-26 | 2016-10-26 | 苏州爱康薄膜新材料有限公司 | Ultraviolet-light-conversion solar cell encapsulation film and production method thereof |
| CN106047194B (en) * | 2016-07-26 | 2019-09-20 | 苏州爱康薄膜新材料有限公司 | Ultraviolet light conversion solar energy cell package glue film and preparation method thereof |
| KR101837310B1 (en) | 2016-12-07 | 2018-03-09 | 한화토탈 주식회사 | Method for manufacturing Ethylene vinyl acetate copolymer for solar cell encapsulant and preparation method therefor |
| CN108164800A (en) * | 2016-12-07 | 2018-06-15 | 韩华道达尔有限公司 | Ethylene vinyl acetate copolymer composition for solar cell sealing agent and preparation method thereof |
| CN107686708A (en) * | 2017-08-25 | 2018-02-13 | 浙江帝龙光电材料有限公司 | A kind of EVA packaging adhesive films of solar energy anti stick decay used for packing material |
| CN113122164A (en) * | 2021-04-21 | 2021-07-16 | 苏州赛伍应用技术股份有限公司 | high-PID-resistance packaging adhesive film and preparation method thereof |
| CN115490881A (en) * | 2022-05-26 | 2022-12-20 | 黄俊杰 | A kind of EVA modified emulsion and preparation method thereof |
| CN114806460A (en) * | 2022-06-29 | 2022-07-29 | 江苏鹿山新材料有限公司 | Low-acid type white EVA photovoltaic packaging adhesive film and preparation method thereof |
| CN115595090A (en) * | 2022-10-28 | 2023-01-13 | 上海朗亿功能材料有限公司（Cn） | EVA material, packaging adhesive film, and preparation method and application thereof |
| CN115595090B (en) * | 2022-10-28 | 2024-04-02 | 上海朗亿功能材料有限公司 | EVA material, packaging film and preparation method and application thereof |
| CN118185503A (en) * | 2024-04-10 | 2024-06-14 | 苏州易昇光学材料股份有限公司 | Hydrolysis-resistant PID-resistant EVA adhesive film for solar packaging material and preparation method thereof |
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Application publication date: 20121114 |