CN203440279U - Packaging adhesive film for solar cell component - Google Patents
Packaging adhesive film for solar cell component Download PDFInfo
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- CN203440279U CN203440279U CN201320535726.6U CN201320535726U CN203440279U CN 203440279 U CN203440279 U CN 203440279U CN 201320535726 U CN201320535726 U CN 201320535726U CN 203440279 U CN203440279 U CN 203440279U
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- Prior art keywords
- tack coat
- adhesive film
- barrier layer
- thickness
- polyolefine
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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
A packaging adhesive film for a solar cell component comprises an obstructing layer, as well as a first binding layer and a second binding layer positioned on the two sides of the obstructing layer, and the obstructing layer is an ethylene-alpha-olefin polymer polyolefine obstructing layer. The adhesive film has excellent obstructing performance, can effectively avoid the PID phenomenon of the solar cell component in a high-pressure hygrothermal environment, and can be well bound with a glass substrate and a battery piece, and prolongs the service life of the solar cell component.
Description
Technical field
The utility model relates to photovoltaic new energy materials field, particularly a kind of solar module packaging adhesive film.
Background technology
The packaged material of solar module can provide protection for solar module; but; now widely used packaged material is the ethylene-vinyl acetate copolymer (EVA) of single layer structure; under long-term hot and humid environment; EVA is easily hydrolyzed destruction; cause the cohesiveness of EVA and glass interface obviously to decline, cause solar module to have potential safety hazard.In addition, the solar module use of working in hyperbaric environment for a long time, easily produces wet leakage current passage between packaged material, backboard, glass and frame, a large amount of accumulation are on cell piece surface, battery surface passivation effect is worsened, cause the performance of assembly significantly to decay, i.e. PID phenomenon.
Application number is that the Chinese patent of CN201210449988.0 discloses a kind of EVA glued membrane for solar module encapsulation, and still, this EVA glued membrane can not effectively solve the PID phenomenon that solar module occurs under high pressure hygrothermal environment.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of under long-term wet heat condition adhesive property excellent, can effectively solve the solar module packaging adhesive film of PID phenomenon simultaneously.
For addressing the above problem, the technical scheme that the utility model provides is:
A packaging adhesive film, described packaging adhesive film comprises barrier layer and is positioned at the first tack coat and second tack coat of barrier layer both sides, the polyolefine barrier layer that described barrier layer is ethylene-alpha-olefin polymers.
In such scheme, described the first tack coat or the second tack coat are silicone grafted polymers polyolefine tack coat or silicone grafted polymers ethylene-vinyl acetate copolymer layer.
In such scheme, the thickness of described barrier layer is 180～400 μ m.
In such scheme, the thickness of described the first tack coat is 10～50 μ m, thickness 10～250 μ m of the second tack coat.
In such scheme, the thickness of described the first tack coat is 20～30 μ m, and the thickness of barrier layer is 250～350 μ m, and the second adhesive layer thickness is 80～200 μ m.
Compared with prior art, the beneficial effects of the utility model are:
1. the solar module that the utility model provides adopts three-decker with packaging adhesive film, barrier layer particularly adopts the polyolefine barrier layer that contains ethylene-alpha-olefin polymers, stoped on the one hand the infiltration of steam, weakened the corrosion of steam to glass baseplate surface, reduced moving out of sodium ion in glass, make can keep permanent high adhesive power between packaging adhesive film and glass substrate, on the other hand due to the high insulating property of barrier layer, the speed that sodium ion moves has slowed down, effectively solved the PID phenomenon that solar module occurs under high pressure hygrothermal environment.
2. the solar module packaging adhesive film that the utility model provides, when thering is good ply adhesion between assurance tack coat and barrier layer, between tack coat and glass substrate and cell piece, also there is excellent adhesive property, make packaging adhesive film adhesive property under long-term wet heat condition excellent, the work-ing life of having improved solar module.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model packaging adhesive film
In figure, each list of reference numerals is: the first tack coat 1; Barrier layer 2; The second tack coat 3.
Embodiment
The solar module that the utility model provides adopts three-decker with packaging adhesive film, in centre, barrier layer is set, the water vapor that obstruct is infiltrated by solar cell backboard direction contacts with the first tack coat that is positioned at one surface, thereby make the chemical bond forming between silicone grafted polymers in the first tack coat and glass substrate can access better maintenance in hot and humid environment, between glued membrane and glass substrate, keep permanent high adhesive power.Barrier layer at the water vapor permeable that stops assembly to glass surface, weaken water to the corrosive nature of glass substrate and in reducing glass in the moving out of sodium ion, due to the high-insulativity of himself, the speed during sodium ion that can also slow down migration, prevent the generation of PID phenomenon, thereby excellent anti-PID performance can be provided.
The first tack coat in the utility model or the second tack coat are the polyolefine tack coat that contains silicone grafted polymers or the ethylene-vinyl acetate copolymer layer that contains silicone grafted polymers, when thering is good adhesion between maintenance and barrier layer, and between glass substrate and cell piece, also there is permanent adhesive power, make packaging adhesive film adhesive property under long-term wet heat condition excellent, the work-ing life that can improve solar module.
In the utility model, the thickness that the thickness that the first adhesive layer thickness can be controlled at 10～50 μ m, barrier layer can be controlled at 180～400 μ m, the second tack coat can be controlled at 10～250 μ m.When the thickness of the first tack coat is less than 10 μ m, can not and glass between produce enough cohesive forces; When the first adhesive layer thickness is during higher than 50 μ m, cause uneconomical in product cost; When the thickness of barrier layer is during lower than 180 μ m, enough water vapor rejection performances can not be provided, when the thickness of barrier layer is during higher than 400 μ m, can cause equally uneconomical on cost; When the thickness of the second tack coat is during lower than 10 μ m, can not play the effect of bonding polyolefine barrier layer and solar battery sheet, when the thickness of the second tack coat is during higher than 250 μ m, can cause equally uneconomical on cost.From the angle of product performance and cost balance, consider, the thickness of each layer can be more preferably: the gauge control that the first adhesive layer thickness is controlled at 20～30 μ m, barrier layer in the gauge control of 250～350 μ m, the second tack coat at 80～200 μ m.
The packaging adhesive film that the utility model provides can adopt known method to make: the material that the material that the first tack coat is used and barrier layer are used, respectively by different forcing machine coextrusion flat-mould head cooling and shaping, makes complex body; The material that the second tack coat is used by forcing machine flat-mould head, extrude after with above-mentioned complex body in compound, the cooling and shaping of barrier layer, cut, rolling obtains solar module packaging adhesive film.
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not limited to this.
Embodiment 1
Silane grafted polymer LDPE (SX522A:CM401 of AEI Compounds company) and ethylene-alpha-olefin polymers are fully mixed, form the material of polyolefine tack coat; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, re-use two extruders coextrusion flat-mould head cooling and shaping, obtain the polyolefin layer complex body of polyolefine adhesive layer thickness 10 μ m, polyolefine barrier layer thickness 180 μ m.
By the LINKLON XLE815N of silane grafted polymer LLDPE(Mitsubishi Chemical Ind) and VA weight content be 25% ethylene-vinyl acetate copolymer fully mixes, after adopting flat-mould head to extrude according to the thickness of 10 μ m and the polyolefine barrier layer in said polyolefins complex body is compound, cooling and shaping, splitting winding obtains the thick packaging adhesive film of 200 μ m.
By the SX720:CM488 of Silane Grafted MDPE(AEI Compounds company) and ethylene-alpha-olefin polymers fully mix, form the material of polyolefine tack coat; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, form the material of polyolefine barrier layer; According to polyolefine adhesive layer thickness 50 μ m, polyolefine barrier layer thickness 400 μ m, the material after two-layer mixing is used to two extruders coextrusion flat-mould head cooling and shaping, make polyolefin layer complex body.
By the SX720:CM488 of Silane Grafted MDPE(AEI Compounds company) and VA weight content be 35% ethylene-vinyl acetate copolymer fully mixes, obtain ethylene-vinyl acetate copolymer tack coat material, after adopting flat-mould head to extrude according to the thickness of 250 μ m and the polyolefine barrier layer in polyolefine complex body is compound, cooling and shaping, cut, rolling obtains the thick packaging adhesive film of 700 μ m.
By the LINKLON XLE815N of Silane Grafted LLDPE(Mitsubishi Chemical Ind) and VA weight content be 25% ethylene-vinyl acetate copolymer fully mixes, obtain ethylene-vinyl acetate copolymer tack coat material; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, form the material of polyolefine barrier layer; According to alkene-vinyl acetate copolymer adhesive layer thickness 10 μ m, polyolefine barrier layer thickness 400 μ m, the material after two-layer mixing is used to two extruders coextrusion flat-mould head cooling and shaping, make polyolefin layer complex body.
By the LINKLON XVF600N of Silane Grafted EVA(Mitsubishi Chemical Ind) and VA weight content be 28% ethylene-vinyl acetate copolymer and additive fully mix, obtain ethylene-vinyl acetate copolymer tack coat material, after adopting flat-mould head to extrude according to the thickness of 150 μ m and the polyolefine barrier layer in polyolefine complex body is compound, cooling and shaping, splitting winding obtains the thick packaging adhesive film of 560 μ m.
Embodiment 4
By the LINKLON XVF600N of Silane Grafted EVA(Mitsubishi Chemical Ind) and ethylene-alpha-olefin polymers (fully mixing, the material of formation polyolefine tack coat; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, form the material of polyolefine barrier layer; According to polyolefine adhesive layer thickness 20 μ m, polyolefine barrier layer thickness 350 μ m, the material after two-layer mixing is used to two extruders coextrusion flat-mould head cooling and shaping, make polyolefin layer complex body.
The LINKLON XLE815N of Silane Grafted LLDPE(Mitsubishi Chemical Ind just) and VA weight content be 33% ethylene-vinyl acetate copolymer and additive fully mix, obtain ethylene-vinyl acetate copolymer tack coat material, after adopting flat-mould head to extrude according to the thickness of 80 μ m and the polyolefine barrier layer in polyolefine complex body is compound, cooling and shaping, splitting winding obtains the thick packaging adhesive film of 450 μ m.
Embodiment 5
By the Silane Grafted PE(YJG-3 of Zhejiang Province Wanma Polymer Co., Ltd) and ethylene-alpha-olefin polymers fully mix, form the material of polyolefine tack coat; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, form the material of polyolefine barrier layer; According to polyolefine adhesive layer thickness 25 μ m, polyolefine barrier layer thickness 250 μ m, the material after two-layer mixing is used to two extruders coextrusion flat-mould head cooling and shaping, make polyolefin layer complex body.
By the Silane Grafted PE(YJG-3 of Zhejiang Province Wanma Polymer Co., Ltd) and VA weight content be 25% ethylene-vinyl acetate copolymer and additive fully mix, obtain ethylene-vinyl acetate copolymer tack coat material, after adopting flat-mould head to extrude according to the thickness of 200 μ m and the polyolefine barrier layer in polyolefine complex body is compound, cooling and shaping, splitting winding obtains the thick packaging adhesive film of 475 μ m.
Embodiment 6
By the LINKLON XPF860G of Silane Grafted PP(Mitsubishi Chemical Ind) and ethylene-alpha-olefin polymers fully mix, form the material of polyolefine tack coat; Ethylene-alpha-olefin polymers and appropriate additive are fully mixed, form the material of polyolefine barrier layer; According to polyolefine adhesive layer thickness 50 μ m, polyolefine barrier layer thickness 180 μ m, the material after two-layer mixing is used to two extruders coextrusion flat-mould head cooling and shaping, make polyolefin layer complex body.
The ethylene-vinyl acetate copolymer and the additive that by VA weight content, are 28% fully mix, obtain ethylene-vinyl acetate copolymer tack coat material, after adopting flat-mould head to extrude according to the thickness of 100 μ m with polyolefine complex body in compound, the cooling and shaping of polyolefine barrier layer, finally splitting winding obtains the thick packaging adhesive film of 300 μ m.
Claims (5)
1. a solar module packaging adhesive film, is characterized in that, described packaging adhesive film comprises barrier layer and the first tack coat and the second tack coat that are positioned at barrier layer both sides, and described barrier layer is ethylene-alpha-olefin polymers polyolefine barrier layer.
2. solar module packaging adhesive film according to claim 1, is characterized in that, the first described tack coat or the second tack coat are silicone grafted polymers polyolefine tack coat or silicone grafted polymers ethylene-vinyl acetate copolymer layer.
3. solar module packaging adhesive film according to claim 2, is characterized in that, the thickness of described barrier layer is 180～400 μ m.
4. solar module packaging adhesive film according to claim 3, is characterized in that, the thickness of described the first tack coat is 10～50 μ m, thickness 10～250 μ m of the second tack coat.
5. solar module packaging adhesive film according to claim 4, is characterized in that, the thickness of described the first tack coat is 20～30 μ m, and the thickness of barrier layer is 250～350 μ m, and the second adhesive layer thickness is 80～200 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535726.6U CN203440279U (en) | 2013-05-14 | 2013-08-30 | Packaging adhesive film for solar cell component |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320258328.4 | 2013-05-14 | ||
| CN201320258328 | 2013-05-14 | ||
| CN201320535726.6U CN203440279U (en) | 2013-05-14 | 2013-08-30 | Packaging adhesive film for solar cell component |
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| CN203440279U true CN203440279U (en) | 2014-02-19 |
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| CN201320535726.6U Expired - Lifetime CN203440279U (en) | 2013-05-14 | 2013-08-30 | Packaging adhesive film for solar cell component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148633A (en) * | 2018-10-11 | 2019-01-04 | 南京索尔玻璃科技股份有限公司 | A kind of ultra-thin enhanced glass back plate of photovoltaic module, preparation method and include its photovoltaic module |
| CN117384562A (en) * | 2023-09-28 | 2024-01-12 | 湖北慧狮塑业股份有限公司 | Solar cell electrode adhesive film and preparation method and application thereof |
-
2013
- 2013-08-30 CN CN201320535726.6U patent/CN203440279U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148633A (en) * | 2018-10-11 | 2019-01-04 | 南京索尔玻璃科技股份有限公司 | A kind of ultra-thin enhanced glass back plate of photovoltaic module, preparation method and include its photovoltaic module |
| CN109148633B (en) * | 2018-10-11 | 2023-08-25 | 南京索尔玻璃科技股份有限公司 | Ultrathin reinforced glass back plate for photovoltaic module, preparation method of ultrathin reinforced glass back plate and photovoltaic module comprising ultrathin reinforced glass back plate |
| CN117384562A (en) * | 2023-09-28 | 2024-01-12 | 湖北慧狮塑业股份有限公司 | Solar cell electrode adhesive film and preparation method and application thereof |
| CN117384562B (en) * | 2023-09-28 | 2024-04-09 | 湖北慧狮塑业股份有限公司 | Solar cell electrode adhesive film and preparation method and application thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |