CN102529266A - Fluoro-ethylene polymer (FPE) membrane for solar battery rear panel and preparation method thereof - Google Patents
Fluoro-ethylene polymer (FPE) membrane for solar battery rear panel and preparation method thereof Download PDFInfo
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- CN102529266A CN102529266A CN2012100317347A CN201210031734A CN102529266A CN 102529266 A CN102529266 A CN 102529266A CN 2012100317347 A CN2012100317347 A CN 2012100317347A CN 201210031734 A CN201210031734 A CN 201210031734A CN 102529266 A CN102529266 A CN 102529266A
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a fluoro-ethylene polymer (FPE) membrane for a solar battery rear panel, and relates to the technical field of solar batteries. The FPE membrane is characterized by having a three-layer structure and sequentially comprising a surface membrane layer which is made from polyvinylidene fluoride (PVDF)/polymethyl methacrylate (PMMA), a high-weatherability high-density polyethylene (HDPE) intermediate membrane layer and a high-weatherability linear low-density polyethylene (LLDPE) surface membrane layer sequentially, and the thickness of the FPE membrane is 25 to 125 micrometers, wherein the thickness of the PVDF/PMMA is 5 to 25 micrometers, the thickness of the high-weatherability HDPE intermediate membrane layer is 10 to 50 micrometers, and the thickness of the high-weatherability LLDPE surface membrane layer is 10 to 50 micrometers. A preparation method for the FPE membrane is simple and cheap in price, and the FPE membrane has the characteristics of high weatherability, high composite peel strength, good obstruction performance and the like and is an ideal membrane for the solar battery rear panel.
Description
Technical field
The present invention relates to technical field of solar batteries, be specifically related to a kind of solar cell backboard with FPE film and preparation method thereof.
Background technology
Non-renewable resources such as traditional energy such as oil, coal reduce day by day, and energy problem is the bottleneck for restriction countries in the world socio-economic development day by day, and the whole world also has 2,000,000,000 people to can not get normal energy supply, and therefore seeking new forms of energy becomes the task of top priority.In this time, the whole world has all been invested regenerative resource to sight, hopes that regenerative resource can change human energy resource structure, keeps long-range sustainable development.Among this, solar energy is to become the focus that people pay attention to its exclusive advantage, and abundant solar energy is important energy, is inexhaustible and pollution-free.
Solar cell prepares through lamination for low iron safety glass, silicon chip, EVA glue and notacoria.Because solar cell is directly exposed in the air, be vulnerable to the erosion of steam, sour gas, the gentle ultraviolet ray of height etc., cause its photoelectricity conversion performance decay, so the protective effect of solar cell backboard film is very important, research is also highly significant.The present main supplier of solar cell backboard and the SFC of the TPT that product has E.I.Du Pont Company, the BBF of 3M company, Japanese Solar PET and Korea S etc. in the world.Usually the notacoria structure is TPT and TPE type, and wherein P is PET, and T is the fluoroplastics film, and E is generally PE or EVA, and its main shortcoming of this type backboard is that the interlayer combined strength bination is poor, and costs an arm and a leg.Like Chinese patent number is 200710069782.4 to disclose a kind of compound film for solar battery rear board and preparation method thereof, and it mainly contains pvf film, PET film and EVA coating and is composited, and its major defect is that the interlayer combined strength bination is poor.Chinese patent number is 200910169211.3 to disclose a kind of novel solar battery backboard film and production method thereof for another example; Comprise a PET film matrix layer, and at least one Kynoar rete, wherein Kynoar rete and PET film matrix layer are compound through an adhesive phase; Also can comprise an EVA rete; EVA rete and PET film matrix layer adopt the pouring membrane compound technology compound, though its weather resistance and anti-electrical breakdown performance are better, its main body still adopts PET or EVA; Cause its interlayer combined strength bination poor, cost an arm and a leg.
Summary of the invention
The solar cell backboard that technical problem to be solved by this invention is to provide that a kind of ageing-resistant performance is good, low price and interlayer combined strength bination are good is with FPE film and preparation method thereof.
Technical problem to be solved by this invention adopts following technical scheme to realize.
A kind of solar cell backboard is used the FPE film; It is characterized in that: described FPE film is a three-decker; Comprise middle rete of outer surface film layer, high-weatherability HDPE and the outer surface film layer of high-weatherability LLDPE that PVDF/PMMA forms in order, described FPE film thickness is 25-125 μ m, and wherein the appearance thicknesses of layers of PVDF/PMMA composition is 5-25 μ m; High-weatherability HDPE intermediate coat layer thickness is 10-50 μ m, and high-weatherability LLDPE appearance thicknesses of layers is 10-50 μ m.
The outer surface film layer of rete and high-weatherability LLDPE is counted by weight percentage in the middle of the described high-weatherability HDPE, is added with the antioxidant of 0.01-1.0%, the ultra-violet absorber of 0.01-1.0% and the ultra-violet stabilizer of 0.01-0.5%.
Described antioxidant is selected from, 2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether, four { β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid } pentaerythritol ester etc. wherein one or more.
Described ultra-violet absorber is selected from; O-hydroxybenzoate, 2-(2-hydroxy-5-methyl base phenyl) BTA, 2; 4-dihydroxy benaophenonel, 2-hydroxyl-4-methoxy benzophenone, UV-531,2-(2-hydroxyl-3,5-two uncle's phenyl)-5-chlorination BTA wherein one or more.
Described ultra-violet stabilizer is selected from, and decanedioic acid is two-2,2,6,6-tetramethyl piperidine alcohol ester, 4-hydroxyl-2,2,6, the polymer of 6-tetramethyl-1-piperidines alcohol, two (2,2,6,6-pentamethyl-4-piperidyl) sebacate etc. wherein one or more.
Count by weight percentage the levelling agent that is added with 0.1-1.0% in the described FPE film.
Described levelling agent is selected from, wherein one or more such as organosilicon levelling agent, acrylic acid ester levelling agent, Organic fluoride levelling agent, PPA.
That the color of described FPE film comprises is transparent, milky white, white and black etc.
Described PFE film color is through adding pigment and other assistants such as titanium white powder, zinc oxide, calcium carbonate and carbon black.
Described other assistant comprises brightening agent, dispersant, solvent and plasticizer etc.
A kind of solar cell backboard is characterized in that with the preparation method of FPE film: its preparation method may further comprise the steps,
1) PVDF, PMMA, pigment, auxiliary agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
2) respectively LLDPE, HDPE, pigment auxiliary agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
3) masterbatch of above-mentioned preparation is gone out curtain coating or blown film prepares three layers of compound PFE film through three-layer co-extruded.
The invention has the beneficial effects as follows: preparation method of the present invention is simple, low price, and product has characteristics such as good, the compound peel strength height of weather resistance and barrier property be outstanding, is that desirable solar cell backboard is used film.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
A kind of solar cell backboard is with FPE film and preparation method thereof; The FPE film is a three-decker; Comprise middle rete of outer surface film layer, high-weatherability HDPE and the outer surface film layer of high-weatherability LLDPE that PVDF/PMMA forms in order, the FPE film thickness is 25 μ m, and wherein the appearance thicknesses of layers of PVDF/PMMA composition is 5 μ m; High-weatherability HDPE intermediate coat layer thickness is 10 μ m, and high-weatherability LLDPE appearance thicknesses of layers is 10 μ m.
Surface film layer is counted by weight percentage outside rete and the high-weatherability LLDPE in the middle of high-weatherability HDPE; Be added with 0.5% 2; Three grades of butyl of 6--4-methylphenol, 0.5% o-hydroxybenzoate and 0.1% decanedioic acid two-2,2,6; 6-tetramethyl piperidine alcohol ester is counted by weight percentage the machine silicon levelling agent that is added with 0.1-1.0% in the FPE film.
Various face such as that the color of FPE film of the present invention can be processed is transparent, milky white, white and black; The color of preparation and select various colors additive and other assistant as required is like pigment and brightening agent, dispersant, solvent and plasticizer etc. such as titanium white powder, zinc oxide, calcium carbonate and carbon blacks.
1) PVDF, PMMA, pigment, machine silicon levelling agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
2) respectively with LLDPE, HDPE, pigment, 2, three grades of butyl of 6--4-methylphenol, o-hydroxybenzoate, decanedioic acid are two-2,2,6, after 6-tetramethyl piperidine alcohol ester mixes through high-speed mixer, and extruding pelletization, preparation masterbatch;
3) masterbatch of above-mentioned preparation is gone out curtain coating or blown film prepares three layers of compound PFE film through three-layer co-extruded.
Embodiment 2
A kind of solar cell backboard is with FPE film and preparation method thereof; The FPE film is a three-decker; Comprise middle rete of outer surface film layer, high-weatherability HDPE and the outer surface film layer of high-weatherability LLDPE that PVDF/PMMA forms in order, the FPE film thickness is 125 μ m, and wherein the appearance thicknesses of layers of PVDF/PMMA composition is 25 μ m; High-weatherability HDPE intermediate coat layer thickness is 50 μ m, and high-weatherability LLDPE appearance thicknesses of layers is 50 μ m.
Surface film layer is counted by weight percentage outside rete and the high-weatherability LLDPE in the middle of high-weatherability HDPE; Be added with two (3, three grades of butyl of 5--4-hydroxy phenyl) thioethers of 0.5%, 0.5% 2, the 4-dihydroxy benaophenonel and 0.1% two (2; 2; 6,6-pentamethyl-4-piperidyl) sebacate, in the FPE film, count by weight percentage the acrylic acid ester levelling agent that is added with 0.1-1.0%.
Various face such as that the color of FPE film of the present invention can be processed is transparent, milky white, white and black; The color of preparation and select various colors additive and other assistant as required is like pigment and brightening agent, dispersant, solvent and plasticizer etc. such as titanium white powder, zinc oxide, calcium carbonate and carbon blacks.
1) PVDF, PMMA, pigment, machine silicon levelling agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
2) respectively with LLDPE, HDPE, pigment, 2, three grades of butyl of 6--4-methylphenol, o-hydroxybenzoate, decanedioic acid are two-2,2,6, after 6-tetramethyl piperidine alcohol ester mixes through high-speed mixer, and extruding pelletization, preparation masterbatch;
3) masterbatch of above-mentioned preparation is gone out curtain coating or blown film prepares three layers of compound PFE film through three-layer co-extruded.
PVDE among the present invention (polyvinylidene fluoride resin), PMMA (polymethyl methacrylate) pigment, auxiliary agent raw materials such as (levelling agent, antioxidant, ultra-violet absorber, ultra-violet stabilizers) are commercially available getting, and method well known in the prior art also capable of using prepares.
It is following that table 1 has been listed the measured performance of backboard film of embodiment 1, embodiment 2:
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. a solar cell backboard is used the FPE film; It is characterized in that: described FPE film is a three-decker; Comprise middle rete of outer surface film layer, high-weatherability HDPE and the outer surface film layer of high-weatherability LLDPE that PVDF/PMMA forms in order, described FPE film thickness is 25-125 μ m, and wherein the appearance thicknesses of layers of PVDF/PMMA composition is 5-25 μ m; High-weatherability HDPE intermediate coat layer thickness is 10-50 μ m, and high-weatherability LLDPE appearance thicknesses of layers is 10-50 μ m.
2. a kind of solar cell backboard according to claim 1 is used the FPE film; It is characterized in that: the outer surface film layer of rete and high-weatherability LLDPE is counted by weight percentage in the middle of the described high-weatherability HDPE, is added with the antioxidant of 0.01-1.0%, the ultra-violet absorber of 0.01-1.0% and the ultra-violet stabilizer of 0.01-0.5%.
3. a kind of solar cell backboard according to claim 2 is used the FPE film; It is characterized in that: described antioxidant is selected from; 2; Three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether, four { β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid } pentaerythritol ester wherein one or more.
4. a kind of solar cell backboard according to claim 2 is used the FPE film; It is characterized in that: described ultra-violet absorber is selected from; O-hydroxybenzoate, 2-(2-hydroxy-5-methyl base phenyl) BTA, 2; 4-dihydroxy benaophenonel, 2-hydroxyl-4-methoxy benzophenone, UV-531,2-(2-hydroxyl-3,5-two uncle's phenyl)-5-chlorination BTA wherein one or more.
5. a kind of solar cell backboard according to claim 2 is used the FPE film, it is characterized in that: described ultra-violet stabilizer is selected from, decanedioic acid two-2; 2,6,6-tetramethyl piperidine alcohol ester, 4-hydroxyl-2; 2,6, the polymer, two (2 of 6-tetramethyl-1-piperidines alcohol; 2,6,6-pentamethyl-4-piperidyl) sebacate wherein one or more.
6. a kind of solar cell backboard according to claim 1 is used the FPE film; It is characterized in that: count by weight percentage the levelling agent that is added with 0.1-1.0% in the described FPE film; Described levelling agent is selected from, wherein one or more of organosilicon levelling agent, acrylic acid ester levelling agent, Organic fluoride levelling agent, PPA.
7. a kind of solar cell backboard according to claim 1 is used the FPE film; It is characterized in that: the color of described FPE film comprises transparent, milky white, white and black, and described PFE film color is through adding titanium white powder, zinc oxide, calcium carbonate and charcoal blacks and other assistant.
8. a kind of solar cell backboard according to claim 7 is used the FPE film, it is characterized in that: described other assistant comprises brightening agent, dispersant, solvent and plasticizer.
9. a solar cell backboard is with the preparation method of FPE film, and it is characterized in that: its preparation method may further comprise the steps,
1) PVDF, PMMA, pigment, auxiliary agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
2) respectively LLDPE, HDPE, pigment, auxiliary agent etc. are mixed through high-speed mixer after, extruding pelletization, preparation masterbatch;
3) masterbatch of above-mentioned preparation is gone out curtain coating or blown film prepares three layers of compound PFE film through three-layer co-extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100317347A CN102529266A (en) | 2012-02-09 | 2012-02-09 | Fluoro-ethylene polymer (FPE) membrane for solar battery rear panel and preparation method thereof |
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| CN2012100317347A CN102529266A (en) | 2012-02-09 | 2012-02-09 | Fluoro-ethylene polymer (FPE) membrane for solar battery rear panel and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057228A (en) * | 2012-12-28 | 2013-04-24 | 苏州度辰新材料有限公司 | Backplane for solar energy assembly and preparation method thereof |
| CN103492478A (en) * | 2011-04-28 | 2014-01-01 | 电气化学工业株式会社 | Vinylidene fluoride-based resin film, solar cell back sheet, and solar cell module |
| CN105015121A (en) * | 2015-08-24 | 2015-11-04 | 宜兴市王者塑封有限公司 | Adhesive film integrated modified polyolefin backboard film and preparation method thereof |
| CN105856762A (en) * | 2015-11-18 | 2016-08-17 | 中天光伏材料有限公司 | Solar battery backboard and production technology thereof |
| CN107199752A (en) * | 2016-03-16 | 2017-09-26 | 上海海优威新材料股份有限公司 | Poly-vinylidene-fluoride composite film and preparation method thereof |
| CN110095894A (en) * | 2019-04-29 | 2019-08-06 | 深圳华硕新材料应用科技有限公司 | A kind of preparation process of the PET film for liquid crystal board |
| CN113183568A (en) * | 2021-04-27 | 2021-07-30 | 无锡君瑞新材料科技有限公司 | Adhesive-free high-viscosity door plate protective film and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492478A (en) * | 2011-04-28 | 2014-01-01 | 电气化学工业株式会社 | Vinylidene fluoride-based resin film, solar cell back sheet, and solar cell module |
| CN103492478B (en) * | 2011-04-28 | 2016-01-27 | 电化株式会社 | Vinylidene fluoride-based resin film, backboard used for solar batteries and solar module |
| CN103057228A (en) * | 2012-12-28 | 2013-04-24 | 苏州度辰新材料有限公司 | Backplane for solar energy assembly and preparation method thereof |
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| CN105015121A (en) * | 2015-08-24 | 2015-11-04 | 宜兴市王者塑封有限公司 | Adhesive film integrated modified polyolefin backboard film and preparation method thereof |
| CN105856762A (en) * | 2015-11-18 | 2016-08-17 | 中天光伏材料有限公司 | Solar battery backboard and production technology thereof |
| CN105856762B (en) * | 2015-11-18 | 2018-05-29 | 中天光伏材料有限公司 | A kind of solar cell backboard and production technology |
| CN107199752A (en) * | 2016-03-16 | 2017-09-26 | 上海海优威新材料股份有限公司 | Poly-vinylidene-fluoride composite film and preparation method thereof |
| CN110095894A (en) * | 2019-04-29 | 2019-08-06 | 深圳华硕新材料应用科技有限公司 | A kind of preparation process of the PET film for liquid crystal board |
| CN113183568A (en) * | 2021-04-27 | 2021-07-30 | 无锡君瑞新材料科技有限公司 | Adhesive-free high-viscosity door plate protective film and preparation method thereof |
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Application publication date: 20120704 |