CN102533142A - EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof - Google Patents
EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof Download PDFInfo
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- CN102533142A CN102533142A CN2011104200272A CN201110420027A CN102533142A CN 102533142 A CN102533142 A CN 102533142A CN 2011104200272 A CN2011104200272 A CN 2011104200272A CN 201110420027 A CN201110420027 A CN 201110420027A CN 102533142 A CN102533142 A CN 102533142A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention relates to a solar cell encapsulation material, in particular to a high-production-efficiency and high-crosslinking-degree EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and a preparation method thereof. The EVA glue film is prepared from the following raw materials by weight part: 100 parts of EVA, 0.1-0.5 part of anchoring agent, 0.1-0.5 part of antioxidant, 0.1-0.5 part of ultraviolet absorbent, 0.1-0.5 part of ultraviolet stabilizer, 0.8-1.5 parts of crosslinking curing agent and 0.5-0.9 part of assistant crosslinker. The EVA glue film has high crosslinking degree and high production efficiency.
Description
Technical field
The present invention relates to the solar cell package material, particularly a kind of high efficiency high-crosslinking-degree is used for EVA (Injecatable EVA Copolymer) glued membrane of solar cell package and preparation method thereof.
Background technology
Since the seventies in 20th century, global environment pollutes and energy shortage is on the rise.Solar cell power generation is one of effective way that solves these two problems.Be to promote the solar cell industry development, China begins to produce solar components in the mid-80, and China has become the important producing country of world's solar module at the beginning of the 21 century.
Solar cell is that sun power utilizes a new technology in the approach.The principle of generating by solar is to utilize semi-conductive quantum effects such as silicon, directly changes the luminous energy of the sun into electric energy.Countries in the world production at present, application are mainly silicon solar cell (silicon single crystal, polysilicon).Silicon solar cell is if directly be exposed in the atmosphere; The decay rapidly of its opto-electronic conversion; Lost efficacy very soon; Adopt for this reason transparent, light aging resisting, heat-proof aging, agglutinating value(of coal) good, can bear the atmosphere conversion and the rubber-like glue-line is assisted envelope with solar cell, and be bonded as one with upper strata protecting materials glass, lower floor's protecting materials, constitute solar components.Technological increasingly mature along with solar cell; Requirement to solar cell is also increased day by day; The environment that uses is also complicated more, for better protection and the work-ing life that guarantees solar cell, the requirement of the packaging adhesive film of solar cell is also improved gradually.
Summary of the invention
The objective of the invention is to the big problem of degree of crosslinking residual quantity not high, the system endoperoxide, the preparation method of the EVA film adhesive for solar cell package of a kind of high efficiency, high-crosslinking-degree is provided to used for solar batteries EVA glued membrane in the prior art.
Another object of the present invention is to provide the high efficiency of method for preparing, the EVA film adhesive for solar cell package of high-crosslinking-degree.
For realizing above-mentioned purpose, the technical scheme that the present invention adopted is:
A kind of EVA film adhesive for solar cell package is formed by the preparation of raw material of following mass parts:
100 parts of Injecatable EVA Copolymers;
0.1 ~ 0.5 part of tackifier;
0.1 ~ 0.5 part in oxidation inhibitor;
0.1 ~ 0.5 part of ultraviolet absorbers;
0.1 ~ 0.5 part of UV light stabilizing agent;
0.8 ~ 1.5 part of crosslinking and curing agent;
0.5 ~ 0.9 part of additional crosslinker.
Further preferred as such scheme, EVA film adhesive for solar cell package of the present invention is formed by the preparation of raw material of following mass parts:
100 parts of Injecatable EVA Copolymers;
0.3 ~ 0.4 part of tackifier;
0.3 ~ 0.4 part in oxidation inhibitor;
0.3 ~ 0.4 part of ultraviolet absorbers;
0.3 ~ 0.4 part of UV light stabilizing agent;
1.1 ~ 1.4 parts of crosslinking and curing agents;
0.6 ~ 0.8 part of additional crosslinker.
Said tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane.
Said oxidation inhibitor is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, perhaps is four [β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester perhaps is β-positive octadecanol ester of (4-hydroxyl-3,5-di-tert-butyl-phenyl) propionic acid; Perhaps be N, N
,-1,6 dihexyls two [3,5-two (1, the 1-dimethyl ethyl)-4-hydroxybenzene propionyl] perhaps are in the tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) any one.
Said ultraviolet absorbers is any one in UV-531 or 2-[4, two (2, the 4-3,5-dimethylphenyl)-1,3,5-triazines-2-yls of 6-]-5-(octyloxy) phenol.
Said UV light stabilizing agent is two (1-octyloxy-2,2,6, the 6-tetramethyl--4-piperidyl) sebates of hindered amine light stabilizer, perhaps is in two (2,2,6,6-tetramethyl--4-piperidyl) sebates any one.
Said crosslinking and curing agent is 2,5-dimethyl--2,5-bis(t-butylperoxy) hexane or 1, two (tert-butyl peroxide)-3,3 of 1-, any one in the 5-trimethyl-cyclohexane.
Said additional crosslinker is iso-cyanuric acid triallyl ester (being TAIC).
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.1 ~ 0.5 part of tackifier, 0.1 ~ 0.5 part in oxidation inhibitor; 0.1 ~ 0.5 part of ultraviolet absorbers; 0.1 ~ 0.5 part of UV light stabilizing agent, 0.8 ~ 1.5 part of crosslinking and curing agent, additional crosslinker mixes for 0.5 ~ 0.9 part;
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 80 ~ 90 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
As preferably, 00 part of said ethene-vinyl acetate copolymer-1,0.3 ~ 0.4 part of tackifier, 0.3 ~ 0.4 part in oxidation inhibitor, 0.3 ~ 0.4 part of ultraviolet absorbers, 0.3 ~ 0.4 part of UV light stabilizing agent, 1.1 ~ 1.4 parts of crosslinking and curing agents, 0.6 ~ 0.8 part of additional crosslinker.
Mechanism of the present invention: with EVA (Injecatable EVA Copolymer) is matrix; Select suitable ageing-resistant system (comprising oxidation inhibitor, ultraviolet absorbers, UV light stabilizing agent), crosslinking curing system (crosslinking and curing agent, additional crosslinker) and tackifier for use, adopt the mode of mechanical extrusion calendaring moulding to make the EVA glued membrane.
EVA among the present invention (Injecatable EVA Copolymer), its vinyl acetate content are 28% ~ 33%.
The present invention reaches required value at the bounding force of guaranteeing EVA glued membrane and glass, TPT; Be EVA/ glass >=60N; Under the prerequisite of EVA/TPT >=50N and transmittance >=90%; Select and the composite system that can improve the degree of crosslinking of EVA packaging adhesive film, successfully develop the EVA glued membrane of high efficiency high-crosslinking-degree.
Compared with prior art the present invention has following advantage:
(1), will lack, enhance productivity and reduce production costs at the required time of the EVA glued membrane that reaches the required former technology of lamination time ratio of EVA glued membrane of the present invention under the situation of same degree of crosslinking;
(2), the degree of crosslinking of EVA glued membrane of the present invention is bigger than the degree of crosslinking of the EVA glued membrane of former technology under the situation of identical time of lamination, bigger within the specific limits degree of crosslinking can better be protected silicon chip;
(3), can reduce unreacted superoxide completely, the EVA glued membrane of protection lamination after crosslinked reduces the content of superoxide in system, reduces the probability from degraded, increases its stability;
(4), one period crosslinked protection period arranged in lamination process, guarantee not crosslinking curing too early of EVA glued membrane, guarantee the flowability and the plasticity-of EVA glued membrane in the lamination process, fully filling, better protection electromagnetic plate.
Embodiment
Do further explain below in conjunction with the embodiment specific embodiments of the invention, but embodiment of the present invention is not limited thereto.
Embodiment 1
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.3 part of tackifier, 0.3 part in oxidation inhibitor, 0.3 part of ultraviolet absorbers, 0.3 part of UV light stabilizing agent, 1.4 parts of crosslinking and curing agents, additional crosslinker mixes for 0.8 part.Wherein, tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane; Oxidation inhibitor is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Ultraviolet absorbers is a UV-531; UV light stabilizing agent is two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebates; Crosslinking and curing agent is 2,5-dimethyl--2,5-bis(t-butylperoxy) hexane; Additional crosslinker is an iso-cyanuric acid triallyl ester.
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 80 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
Embodiment 2
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.4 part of tackifier, 0.4 part in oxidation inhibitor, 0.4 part of ultraviolet absorbers, 0.4 part of UV light stabilizing agent, 1.1 parts of crosslinking and curing agents, additional crosslinker mixes for 0.6 part.Wherein, tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane; Oxidation inhibitor is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Ultraviolet absorbers is 2-[4, two (2, the 4-3,5-dimethylphenyl)-1,3,5-triazines-2-yls of 6-]-5-(octyloxy) phenol; UV light stabilizing agent is two (2,2,6,6-tetramethyl--4-piperidyl) sebates; Crosslinking and curing agent is 1, two (tert-butyl peroxide)-3,3 of 1-, 5-trimethyl-cyclohexane; Additional crosslinker is an iso-cyanuric acid triallyl ester.
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 90 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
Embodiment 3
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.1 part of tackifier, 0.1 part in oxidation inhibitor, 0.1 part of ultraviolet absorbers, 0.1 part of UV light stabilizing agent, 0.8 part of crosslinking and curing agent, additional crosslinker mixes for 0.5 part.Wherein, tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane; Oxidation inhibitor is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Ultraviolet absorbers is a UV-531; UV light stabilizing agent is two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebates; Crosslinking and curing agent is 2,5-dimethyl--2,5-bis(t-butylperoxy) hexane; Additional crosslinker is an iso-cyanuric acid triallyl ester.
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 85 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
Embodiment 4
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.5 part of tackifier, 0.5 part in oxidation inhibitor, 0.5 part of ultraviolet absorbers, 0.5 part of UV light stabilizing agent, 1.5 parts of crosslinking and curing agents, additional crosslinker mixes for 0.9 part.Wherein, tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane; Oxidation inhibitor is β-positive octadecanol ester of (4-hydroxyl-3,5-di-tert-butyl-phenyl) propionic acid; Ultraviolet absorbers is 2-[4, two (2, the 4-3,5-dimethylphenyl)-1,3,5-triazines-2-yls of 6-]-5-(octyloxy) phenol; UV light stabilizing agent is two (2,2,6,6-tetramethyl--4-piperidyl) sebates; Crosslinking and curing agent is 1, two (tert-butyl peroxide)-3,3 of 1-, 5-trimethyl-cyclohexane; Additional crosslinker is an iso-cyanuric acid triallyl ester.
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 90 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
Embodiment 5
The preparation method of EVA film adhesive for solar cell package of the present invention may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.2 part of tackifier, 0.3 part in oxidation inhibitor, 0.4 part of ultraviolet absorbers, 0.4 part of UV light stabilizing agent, 1.3 parts of crosslinking and curing agents, additional crosslinker mixes for 0.7 part.Wherein, tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane; Oxidation inhibitor is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Ultraviolet absorbers is a UV-531; UV light stabilizing agent is two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebates; Crosslinking and curing agent is 1, two (tert-butyl peroxide)-3,3 of 1-, 5-trimethyl-cyclohexane; Additional crosslinker is an iso-cyanuric acid triallyl ester.
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 80 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
Below reflect beneficial effect of the present invention through comparison example:
Comparison example 1:
Comparison example 2:
Comparison example 1 and comparison example 2 are compared and can find out, under same lamination, the goods degree of crosslinking of comparison example 2 that is added with additional crosslinker (TAIC) is greater than the goods degree of crosslinking of the comparison example 1 that does not add additional crosslinker (TAIC).
Comparison example 3:
Comparison example 4:
Comparison example 3 and comparison example 4 are compared and can find out; Reaching under the condition of identical degree of crosslinking 75%, the comparison example 4 goods required laminated time in all the same laminating machine of other parameters that is added with additional crosslinker (TAIC) is less than the required lamination time of comparison example 3 goods that does not add additional crosslinker (TAIC).
Comparison example 5:
Comparison example 6:
Comparison example 5 and comparison example 6 are compared and can find out; In comparison example 5 processs of the test, there is superoxide to have neither part nor lot in the crosslinking reaction of EVA in the system; Still remain in the system; And the comparison of peroxide reactions reduces the residual quantity of superoxide in system than fully complete in the instance 5 in the test of comparison example 6.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. EVA film adhesive for solar cell package is characterized in that being formed by the preparation of raw material of following mass parts:
100 parts of Injecatable EVA Copolymers;
0.1 ~ 0.5 part of tackifier;
0.1 ~ 0.5 part in oxidation inhibitor;
0.1 ~ 0.5 part of ultraviolet absorbers;
0.1 ~ 0.5 part of UV light stabilizing agent;
0.8 ~ 1.5 part of crosslinking and curing agent;
0.5 ~ 0.9 part of additional crosslinker.
2. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that being formed by the preparation of raw material of following mass parts:
100 parts of Injecatable EVA Copolymers;
0.3 ~ 0.4 part of tackifier;
0.3 ~ 0.4 part in oxidation inhibitor;
0.3 ~ 0.4 part of ultraviolet absorbers;
0.3 ~ 0.4 part of UV light stabilizing agent;
1.1 ~ 1.4 parts of crosslinking and curing agents;
0.6 ~ 0.8 part of additional crosslinker.
3. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that: said tackifier are γ-glycidyl ether oxygen propyl trimethoxy silicane.
4. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that: said oxidation inhibitor is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Perhaps be four [β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester perhaps is β-positive octadecanol ester of (4-hydroxyl-3,5-di-tert-butyl-phenyl) propionic acid; Perhaps be N, N
,-1,6 dihexyls two [3,5-two (1, the 1-dimethyl ethyl)-4-hydroxybenzene propionyl] perhaps are in the tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester) any one.
5. EVA film adhesive for solar cell package as claimed in claim 1; It is characterized in that: said ultraviolet absorbers be UV-531 or 2-[4, two (2, the 4-3,5-dimethylphenyl)-1 of 6-; 3,5-triazine-2-yl]-in 5-(octyloxy) phenol any one.
6. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that: said UV light stabilizing agent is two (1-octyloxies-2,2; 6,6-tetramethyl--4-piperidyl) sebate perhaps is two (2; 2,6,6-tetramethyl--4-piperidyl) any one in the sebate.
7. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that: said crosslinking and curing agent is 2,5-dimethyl--2; 5-bis(t-butylperoxy) hexane or 1; Two (tert-butyl peroxide)-3,3 of 1-, any one in the 5-trimethyl-cyclohexane.
8. EVA film adhesive for solar cell package as claimed in claim 1 is characterized in that: said additional crosslinker is an iso-cyanuric acid triallyl ester.
9. the preparation method of EVA film adhesive for solar cell package according to claim 1 is characterized in that may further comprise the steps:
(1) with the raw material of following mass parts: 00 part of ethene-vinyl acetate copolymer-1,0.1 ~ 0.5 part of tackifier, 0.1 ~ 0.5 part in oxidation inhibitor; 0.1 ~ 0.5 part of ultraviolet absorbers; 0.1 ~ 0.5 part of UV light stabilizing agent, 0.8 ~ 1.5 part of crosslinking and curing agent, additional crosslinker mixes for 0.5 ~ 0.9 part;
(2) mixture that step (1) is made is poured forcing machine into and is carried out blend and extrude, and temperature is controlled at 80 ~ 90 ℃, and extrudate obtains EVA film adhesive for solar cell package through curtain coating, cooling, traction, coiling process.
10. like the preparation method of the said EVA film adhesive for solar cell package of claim 9; It is characterized in that: 00 part of said ethene-vinyl acetate copolymer-1,0.3 ~ 0.4 part of tackifier, 0.3 ~ 0.4 part in oxidation inhibitor; 0.3 ~ 0.4 part of ultraviolet absorbers; 0.3 ~ 0.4 part of UV light stabilizing agent, 1.1 ~ 1.4 parts of crosslinking and curing agents, 0.6 ~ 0.8 part of additional crosslinker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104200272A CN102533142A (en) | 2011-12-15 | 2011-12-15 | EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104200272A CN102533142A (en) | 2011-12-15 | 2011-12-15 | EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof |
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| CN102533142A true CN102533142A (en) | 2012-07-04 |
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| CN2011104200272A Pending CN102533142A (en) | 2011-12-15 | 2011-12-15 | EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897251A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Photocuring EVA (ethylene-vinyl acetate) film for flexible or thin-film solar cells and preparation method thereof |
| CN103897503A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | EVA (ethylene-vinyl acetate) paint for flexible or thin-paint solar cells and preparation method thereof |
| CN105449021A (en) * | 2015-11-23 | 2016-03-30 | 浙江昱辉阳光能源江苏有限公司 | High-performance solar module packaged through reliable durable EVA |
| CN107057598A (en) * | 2017-04-28 | 2017-08-18 | 西安泰力松新材料股份有限公司 | Composite membrane for dereliction grid solar cell component and preparation method thereof |
| CN109913150A (en) * | 2018-10-26 | 2019-06-21 | 辽宁旭日新能源科技有限公司 | A kind of packaging adhesive film for solar cell and preparation method thereof |
| CN111440548A (en) * | 2020-06-15 | 2020-07-24 | 杭州福斯特应用材料股份有限公司 | Single-layer adhesive film, composition for forming same, co-extrusion adhesive film and solar cell module |
| CN114181448A (en) * | 2021-10-28 | 2022-03-15 | 天津市金裕塑料制品有限公司 | Low-temperature EVA (ethylene-vinyl acetate copolymer), preparation method thereof and method for recycling resources by using low-temperature EVA |
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| CN101921425A (en) * | 2010-08-30 | 2010-12-22 | 苏州度辰新材料有限公司 | Ethylene vinyl acetate adhesive film and solar battery assembly |
| CN102153958A (en) * | 2011-01-11 | 2011-08-17 | 广州市宝力达电气材料有限公司 | EVA (ethylene-vinyl acetate) adhesive film for heat-resistant solar battery, and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897251A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Photocuring EVA (ethylene-vinyl acetate) film for flexible or thin-film solar cells and preparation method thereof |
| CN103897503A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | EVA (ethylene-vinyl acetate) paint for flexible or thin-paint solar cells and preparation method thereof |
| CN103897251B (en) * | 2012-12-31 | 2016-07-06 | 中原工学院 | A kind of flexibility or thin-film solar cells photocuring EVA film and preparation method thereof |
| CN105449021A (en) * | 2015-11-23 | 2016-03-30 | 浙江昱辉阳光能源江苏有限公司 | High-performance solar module packaged through reliable durable EVA |
| CN107057598A (en) * | 2017-04-28 | 2017-08-18 | 西安泰力松新材料股份有限公司 | Composite membrane for dereliction grid solar cell component and preparation method thereof |
| CN109913150A (en) * | 2018-10-26 | 2019-06-21 | 辽宁旭日新能源科技有限公司 | A kind of packaging adhesive film for solar cell and preparation method thereof |
| CN111440548A (en) * | 2020-06-15 | 2020-07-24 | 杭州福斯特应用材料股份有限公司 | Single-layer adhesive film, composition for forming same, co-extrusion adhesive film and solar cell module |
| CN114181448A (en) * | 2021-10-28 | 2022-03-15 | 天津市金裕塑料制品有限公司 | Low-temperature EVA (ethylene-vinyl acetate copolymer), preparation method thereof and method for recycling resources by using low-temperature EVA |
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Application publication date: 20120704 |