CN102153958A - EVA (ethylene-vinyl acetate) adhesive film for heat-resistant solar battery, and preparation method and application thereof - Google Patents
EVA (ethylene-vinyl acetate) adhesive film for heat-resistant solar battery, and preparation method and application thereof Download PDFInfo
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- CN102153958A CN102153958A CN2011100042015A CN201110004201A CN102153958A CN 102153958 A CN102153958 A CN 102153958A CN 2011100042015 A CN2011100042015 A CN 2011100042015A CN 201110004201 A CN201110004201 A CN 201110004201A CN 102153958 A CN102153958 A CN 102153958A
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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 discloses an EVA (ethylene-vinyl acetate) adhesive film for a heat-resistant solar battery, which is prepared from 100 parts of EVA copolymer, 1-3 parts of peroxide crosslinking agent, 0.01-1.6 parts of antioxidant, 0.05-1 part of light stabilizer, 0.05-0.2 part of ultraviolet absorbent, 0.01-4 parts of silane coupling agent, 0-5 parts of tackifier and 0.2-5 parts of copolymerization agent. The EVA adhesive film disclosed by the invention has better heat resistance, weather resistance and mechanical properties, and is beneficial to prolonging the service life of a photovoltaic component.
Description
Technical field
The present invention relates to chemical material field, be specifically related to the solar module material, particularly a kind of heat-resisting used for solar batteries EVA glued membrane, and preparation method thereof with application.
Background technology
At present, EVA becomes the packaged material that solar panel generally adopts because good airproof performance, processing characteristics are good.But, owing to the linear structure of EVA itself is limit, even after adding the linking agent curing cross-linked, its cured article thermotolerance, mechanical property and weathering resistance are still not very good; Though can be difficult to guarantee the work-ing life of 20-25 by the weathering resistance of Passive Defence light oxygen effect further raising cured article by adding auxiliary agents such as oxidation inhibitor, photostabilizer, UV light absorber.The peroxide level that uses at present is not high in addition, and its impurity part extended residual is at EVA glued membrane encapsulated layer, and the weathering resistance of solar panel is had disadvantageous effect.
Summary of the invention
The objective of the invention is defective at above-mentioned used for solar batteries EVA glued membrane cured article thermotolerance, mechanical property and weathering resistance difference, a kind of used for solar batteries EVA glued membrane is provided, this EVA glued membrane thermotolerance, mechanical property and weathering resistance are better, thereby guarantee that photovoltaic module has longer work-ing life.
Another object of the present invention is to provide the preparation method of above-mentioned EVA glued membrane.
A further object of the present invention is to provide the application of above-mentioned EVA glued membrane.
Purpose of the present invention is achieved through the following technical solutions:
A kind of heat-resisting used for solar batteries EVA glued membrane is formed by the feedstock production of following parts by weight:
Ethylene-vinyl acetate copolymer: 100 parts
Peroxide linking agent: 1-3 part
Oxidation inhibitor: 0.01-1.6 part
Photostabilizer: 0.05-1 part
UV light absorber: 0.05-0.2 part
Silane coupling agent: 0.01-4 part
Tackifier: 0-5 part
Copolymerizing agent: 0.2-5 part
Vinyl acetate content is 15-40wt% in the described ethylene-vinyl acetate copolymer, and preferable range is 25-38wt%, and most preferred range is 31-35wt%.
Described peroxide linking agent is tert-butyl hydroperoxide carbonic acid 2-ethylhexyl, 2.5-dimethyl-2, more than one mixtures in 5-di-t-butyl hexane peroxide or the tert-butyl hydroperoxide 2-ethylhexyl; Preferred tert-butyl hydroperoxide carbonic acid 2-ethylhexyl and/or tert-butyl hydroperoxide 2-ethylhexyl; Preferred especially purity is not less than the tert-butyl hydroperoxide carbonic acid 2-ethylhexyl of 99%wt.
Described oxidation inhibitor is 1,3,5-three (the 4-tertiary butyl-3-hydroxyl-2,6-dimethyl benzene methyl)-1,3,5-triazine-2,4,6-(1H, 3H, 5H)-more than one mixtures in triketone, three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, three (nonyl phenyl) phosphorous acid ester or β-(4-hydroxyl-3,5-di-tert-butyl-phenyl) positive octadecyl ester of propionic acid.
Described photostabilizer is two (2,2,6,6-tetramethyl--4-piperidyl) sebate, two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebate, 3,5-di-t-butyl-4-hydroxy-benzoic acid dodecyl ester, three (1,2,2,6,6-Pempiten base) phosphorous acid ester or 4-benzoyloxy-2,2,6, more than one mixtures in the 6-tetramethyl piperidine.
Described UV light absorber is more than one mixtures in 2,4 dihydroxyl benzophenone, 2-hydroxyl-4-methoxy benzophenone, Octabenzone or 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole.
Described silane coupling agent is more than one mixtures in 3-Racemic glycidol propoxy-dimethylethoxysilane, vinyl three (2-methoxy ethoxy) silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, N-(β-aminoethyl)-γ-aminopropyl methyl-dimethoxy silane, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan or N-(2-the aminoethyl)-3-aminopropyl triethoxysilane.
Described tackifier are γ-An Bingjisanyiyangjiguiwan.
Described copolymerizing agent is pentaerythritol triallyl ether and/or 1,3,5-triallyl-guanamine, and 4,6-(1H, 3H, 5H)-triketone; Preferred 1,3,5-triallyl-guanamine, 4,6 (1H, 3H, 5H)-triketone.
The heat-resisting used for solar batteries EVA of the present invention glued membrane can make according to this area ordinary method, is specially: with process batch mixings such as ethylene-vinyl acetate copolymer, peroxide linking agent, oxidation inhibitor, photostabilizer, UV light absorber, silane coupling agent, tackifier, copolymerizing agents, melt extrude, curtain coating, cooling, traction and splitting winding obtain the EVA glued membrane.
In the EVA glued membrane, add and contain multi-functional copolymerizing agent it is reacted under the effect of linking agent with linear EVA, generation has the cured article of three-dimensional arrangement, thereby can fundamentally improve thermotolerance, mechanical property and the weathering resistance of used for solar batteries EVA glued membrane cured article.
Adopt tert-butyl hydroperoxide carbonic acid 2-ethylhexyl that purity is not less than 99%wt as cure-crosslinking agent, can reduce residual at EVA glued membrane encapsulated layer of impurity in the superoxide, thereby reduce disadvantageous effect to greatest extent the weathering resistance of solar panel.
The heat-resisting used for solar batteries EVA of the present invention glued membrane is used for the encapsulation of solar module.
Compared with prior art, heat-resisting used for solar batteries EVA glued membrane of the present invention has better thermotolerance, weathering resistance and mechanical property.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Starting material in the present embodiment are the commercial industrial product.
Embodiment 1
In parts by weight, 1.5 parts of purity are not less than 99%wt peroxide linking agent tert-butyl hydroperoxide carbonic acid 2-ethylhexyl, 0.7 part copolymerizing agent 1,3,5-triallyl-guanamine, 4,6 (1H, 3H, 5H)-triketone, 0.08 part oxidation inhibitor three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, 0.1 part photostabilizer 3,5-di-t-butyl-4-hydroxy-benzoic acid dodecyl ester, 0.05 part UV light absorber 2-hydroxyl-4-methoxy benzophenone, mix in the ethylene-vinyl acetate copolymer pellet that it is 33%wt that 2 parts of silane coupling agent γ-glycidyl ether oxygen propyl trimethoxy silicanes and 1.5 parts of tackifier γ-An Bingjisanyiyangjiguiwans are added to 100 parts of VA content, pour mixture into forcing machine and carry out blend at 80 ℃ and extrude, extrudate is through curtain coating, cooling, traction and splitting winding obtain EVA glued membrane of the present invention.
Embodiment 2-17
The proportioning of each component is shown in table 1-table 4, and the preparation method who repeats embodiment 1 can make EVA glued membrane of the present invention.
Table 1 glued membrane moiety
Table 2 glued membrane moiety
Table 3 glued membrane moiety
Table 4 glued membrane moiety
Comparative example
The proportioning of each component is as shown in table 5, and the preparation method who repeats embodiment 1 can make the EVA glued membrane of comparative example, and numbering is respectively 1-2,1-3,1-4 and 1-5.The composition proportioning of comparative example 1-2,1-3,1-4,1-5 is compared difference with corresponding embodiment 2,3,4,5 and is: embodiment adopts the tert-butyl hydroperoxide carbonic acid 2-ethylhexyl peroxide cross-linking agent of purity 99% and has added copolymerizing agent, and comparative example adopts the tert-butyl hydroperoxide carbonic acid 2-ethylhexyl peroxide cross-linking agent of purity 95% and do not add copolymerizing agent.
Table 5 comparative example glued membrane moiety
Performance test
Testing method:
1, with the cohesive strength of glass and TPT
Test according to standard " 180 ° of peeling strength test methods of GB/T2790-1995 tackiness agent flexible material is to rigid material ".
2, ultraviolet light and aging test
Carry out the uv irradiation burn-in test according to standard " GB/T19394-2003 photovoltaic (PV) assembly ultraviolet test "; Carry out the transmittance test according to standard " mensuration of GB/T 2410-2008 transparent plastics transmittance and mist degree "; Carry out yellowness index test and xanthochromia index (Δ Y) analysis according to standard " GB/T2409-1980 plastics yellowness index test method ".
Ultraviolet light and aging test conditions: specimen surface temperature: 60 ± 5 ℃; Ultraviolet wavelength scope: 280-400nm, irradiation intensity: 15KWh/m
2
Average transmittance % * 100% before transmittance conservation rate=test back average transmittance %/test
3, relative temperature index RTI test
Carry out relative temperature index RTI test according to standard " UL746B-polymeric materials-long term propertyevalutions " (the long-term performance evaluation of polymkeric substance).
Test result:
Embodiment 1-17 gained glued membrane (glued membrane is numbered corresponding embodiment numbering) and comparative example 1-2,1-3,1-4,1-5 gained glued membrane is crosslinked and make the thick sample of 0.5mm, adopts aforesaid method to test, and test result sees Table 6:
Table 6 glue film performance test result
Add copolymerizing agent as can be seen the EVA glued membrane and adopt the peroxide cross-linking agent tert-butyl hydroperoxide carbonic acid 2-ethylhexyl of purity 99%wt can significantly improve thermotolerance, mechanical property and the weathering resistance (relative temperature index height, cohesive strength height, ultraviolet light and aging transmittance conservation rate height, xanthochromia index are little) of EVA glued membrane cured article from table 6 data.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. heat-resisting used for solar batteries EVA glued membrane is characterized in that: be to obtain by following compositions in portion by weight is prepared:
Ethylene-vinyl acetate copolymer: 100 parts
Peroxide linking agent: 1-3 part
Oxidation inhibitor: 0.01-1.6 part
Photostabilizer: 0.05-1 part
UV light absorber: 0.05-0.2 part
Silane coupling agent: 0.01-4 part
Tackifier: 0-5 part
Copolymerizing agent: 0.2-5 part.
2. according to the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1, it is characterized in that:
The vinyl acetate between to for plastic mass percent is 15-40% in the described ethylene-vinyl acetate copolymer;
Described peroxide linking agent is tert-butyl hydroperoxide carbonic acid 2-ethylhexyl, 2.5-dimethyl-2, more than one mixtures in 5-di-t-butyl hexane peroxide or the tert-butyl hydroperoxide 2-ethylhexyl;
Described copolymerizing agent is pentaerythritol triallyl ether and/or 1,3,5-triallyl-guanamine, and 4,6-(1H, 3H, 5H)-triketone.
3. according to claim 1 or 2 described a kind of heat-resisting used for solar batteries EVA glued membranes, it is characterized in that:
The vinyl acetate between to for plastic mass percent is 25-38% in the described ethylene-vinyl acetate copolymer;
Described peroxide linking agent is tert-butyl hydroperoxide carbonic acid 2-ethylhexyl and/or tert-butyl hydroperoxide 2-ethylhexyl;
Described copolymerizing agent is 1,3,5-triallyl-guanamine, 4,6 (1H, 3H, 5H)-triketone.
4. according to each described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1-3, it is characterized in that:
The vinyl acetate between to for plastic mass percent is 31-35% in the described ethylene-vinyl acetate copolymer;
Described peroxide linking agent is the tert-butyl hydroperoxide carbonic acid 2-ethylhexyl that purity is not less than 99%wt.
5. according to the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1, it is characterized in that: described oxidation inhibitor is 1,3,5-three (the 4-tertiary butyl-3-hydroxyl-2,6-dimethyl benzene methyl)-1,3,5-triazines-2,4,6-(1H, 3H, 5H)-triketone, three (2, the 4-di-tert-butyl-phenyl) more than one mixtures in phosphorous acid ester, three (nonyl phenyl) phosphorous acid ester or β-(4-hydroxyl-3,5-di-tert-butyl-phenyl) positive octadecyl ester of propionic acid.
6. according to the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1, it is characterized in that: described photostabilizer is two (2,2,6,6-tetramethyl--4-piperidyl) sebate, two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebate, 3,5-di-t-butyl-4-hydroxy-benzoic acid dodecyl ester, three (1,2,2,6,6-Pempiten base) phosphorous acid ester or 4-benzoyloxy-2,2,6, more than one mixtures in the 6-tetramethyl piperidine.
7. according to the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1, it is characterized in that: described UV light absorber is 2, more than one mixtures in 4-dihydroxy benaophenonel, 2-hydroxyl-4-methoxy benzophenone, Octabenzone or 2-(2 '-hydroxyl-3 ', 5 '-two uncle's phenyl)-5-chlorination benzotriazole.
8. according to the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1, it is characterized in that:
Described silane coupling agent is more than one mixtures in 3-Racemic glycidol propoxy-dimethylethoxysilane, vinyl three (2-methoxy ethoxy) silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, N-(β-aminoethyl)-γ-aminopropyl methyl-dimethoxy silane, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan or N-(2-the aminoethyl)-3-aminopropyl triethoxysilane;
Described tackifier are γ-An Bingjisanyiyangjiguiwan.
9. the preparation method of the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1 is characterized in that may further comprise the steps: with ethylene-vinyl acetate copolymer, peroxide linking agent, oxidation inhibitor, photostabilizer, UV light absorber, silane coupling agent, tackifier, copolymerizing agent through batch mixing, melt extrude, curtain coating, cooling, traction and splitting winding obtain the EVA glued membrane.
10. the application of the described a kind of heat-resisting used for solar batteries EVA glued membrane of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100042015A CN102153958A (en) | 2011-01-11 | 2011-01-11 | EVA (ethylene-vinyl acetate) adhesive film for heat-resistant solar battery, and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100042015A CN102153958A (en) | 2011-01-11 | 2011-01-11 | EVA (ethylene-vinyl acetate) adhesive film for heat-resistant solar battery, and preparation method and application thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304332A (en) * | 2011-08-25 | 2012-01-04 | 詹显光 | Ultraviolet-ray-blocking and anti-aging ethylene-vinyl acetate (EVA) adhesive film and preparation method thereof |
| CN102492369A (en) * | 2011-11-30 | 2012-06-13 | 昆山天洋热熔胶有限公司 | Production process of vinylacetate (EVA) glue film for solar battery packaging |
| CN102504714A (en) * | 2011-11-29 | 2012-06-20 | 浙江帝龙光电材料有限公司 | Solar cell packaging glue film |
| CN102533142A (en) * | 2011-12-15 | 2012-07-04 | 浙江圣驰科技有限公司 | EVA (Ethylene Vinyl Acetate Copolymer) glue film used for solar cell encapsulation and preparation method thereof |
| CN102533143A (en) * | 2012-02-22 | 2012-07-04 | 浙江阳明光伏材料有限公司 | Solar cell packaging glue film |
| CN102604545A (en) * | 2012-02-22 | 2012-07-25 | 浙江阳明光伏材料有限公司 | EVA (Ethylene Vinyl Acetate) intensified film |
| CN102604546A (en) * | 2012-02-22 | 2012-07-25 | 浙江阳明光伏材料有限公司 | High-transparent EVA (ethylene-vinyl acetate) laminated film |
| CN102627800A (en) * | 2012-03-28 | 2012-08-08 | 浙江阳明光伏材料有限公司 | Pearlescent EVA film |
| CN102676068A (en) * | 2011-10-24 | 2012-09-19 | 浙江大东南包装股份有限公司 | Ethylene-vinyl acetate (EVA) adhesive film production technology based on on-line crosslinking |
| CN102775944A (en) * | 2011-01-30 | 2012-11-14 | 苏州尚善新材料科技有限公司 | Sealing joint strip and application method thereof |
| CN102876246A (en) * | 2012-09-14 | 2013-01-16 | 宁波威克丽特功能塑料有限公司 | Aging-resistant glue film for packaging solar cell and preparation method for glue film |
| CN103509497A (en) * | 2013-09-18 | 2014-01-15 | 滁州市光威化工有限公司 | High-hardness EVA hot melt adhesive |
| CN103725224A (en) * | 2013-09-18 | 2014-04-16 | 滁州市光威化工有限公司 | Fast curing eva (ethylene vinyl acetate) hot melt adhesive |
| CN106634650A (en) * | 2016-12-01 | 2017-05-10 | 天津三瑞塑胶制品有限公司 | Production process of double glass solar cell packaging film |
| CN106752997A (en) * | 2016-12-30 | 2017-05-31 | 广州鹿山新材料股份有限公司 | Good white polyolefin packaging adhesive film of a kind of block-water performance and preparation method thereof |
| CN107353847A (en) * | 2017-07-25 | 2017-11-17 | 合肥华盖光伏科技有限公司 | A kind of solar cell EVA adhesive film and preparation method thereof |
| CN107629730A (en) * | 2017-11-03 | 2018-01-26 | 通威太阳能（安徽）有限公司 | A kind of EVA adhesive film for solar cell package |
| CN109251688A (en) * | 2018-08-15 | 2019-01-22 | 中山国鳌智能科技有限公司 | A kind of vehicle LED lamps and lanterns encapsulating film and preparation method thereof |
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| CN102775944A (en) * | 2011-01-30 | 2012-11-14 | 苏州尚善新材料科技有限公司 | Sealing joint strip and application method thereof |
| CN102304332A (en) * | 2011-08-25 | 2012-01-04 | 詹显光 | Ultraviolet-ray-blocking and anti-aging ethylene-vinyl acetate (EVA) adhesive film and preparation method thereof |
| CN102676068A (en) * | 2011-10-24 | 2012-09-19 | 浙江大东南包装股份有限公司 | Ethylene-vinyl acetate (EVA) adhesive film production technology based on on-line crosslinking |
| CN102676068B (en) * | 2011-10-24 | 2013-12-25 | 浙江大东南包装股份有限公司 | Ethylene-vinyl acetate (EVA) adhesive film production technology based on on-line crosslinking |
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| CN102627800A (en) * | 2012-03-28 | 2012-08-08 | 浙江阳明光伏材料有限公司 | Pearlescent EVA film |
| CN102876246A (en) * | 2012-09-14 | 2013-01-16 | 宁波威克丽特功能塑料有限公司 | Aging-resistant glue film for packaging solar cell and preparation method for glue film |
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| CN103725224A (en) * | 2013-09-18 | 2014-04-16 | 滁州市光威化工有限公司 | Fast curing eva (ethylene vinyl acetate) hot melt adhesive |
| CN103725224B (en) * | 2013-09-18 | 2016-03-23 | 滁州市光威化工有限公司 | A kind of fast setting eva hot melt adhesive |
| CN103509497B (en) * | 2013-09-18 | 2016-06-29 | 滁州市光威化工有限公司 | A kind of EVA hot-melt adhesive of high rigidity |
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Application publication date: 20110817 |