WO2013156319A1 - Film arrière et film composite pour un module photovoltaïque - Google Patents

Film arrière et film composite pour un module photovoltaïque Download PDF

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Publication number
WO2013156319A1
WO2013156319A1 PCT/EP2013/057142 EP2013057142W WO2013156319A1 WO 2013156319 A1 WO2013156319 A1 WO 2013156319A1 EP 2013057142 W EP2013057142 W EP 2013057142W WO 2013156319 A1 WO2013156319 A1 WO 2013156319A1
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WO
WIPO (PCT)
Prior art keywords
polyamide
layer
backsheet
asa
photovoltaic module
Prior art date
Application number
PCT/EP2013/057142
Other languages
German (de)
English (en)
Inventor
Siegfried HAMBAUMER
Werner Krumlacher
Harald Muckenhuber
Michaela PLANK
Manfred Schlögl
Original Assignee
Isovoltaic Ag
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Filing date
Publication date
Application filed by Isovoltaic Ag filed Critical Isovoltaic Ag
Publication of WO2013156319A1 publication Critical patent/WO2013156319A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/516—Oriented mono-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/712—Weather resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • 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

Definitions

  • the present invention relates to a backsheet and a composite sheet for a
  • Photovoltaic module so a solar cell module for photoelectric power generation.
  • the invention further relates to a photovoltaic module, which this backsheet or this
  • the solar cells are to varying degrees sensitive to weathering. To protect the solar cells from these influences, be
  • Be encapsulation materials used which may consist of one or more layer (s) and / or plastic composites.
  • the outermost of these layers, which is applied to the back of the photovoltaic module, exposed to the weather and acts as a protective layer, is referred to as a "backsheet".
  • EP 2 275 471 B1 describes single-layered backings ("monofilms") of polyamide.
  • the polyamide is composed of linear and / or branched aliphatic and / or cycloaliphatic monomers having on average at least 8 and at most 17 C atoms and which are selected from the group consisting of diamines, dicarboxylic acids, lactams and aminocarboxylic acids, and those on lactams and aminocarboxylic acid based polyamides are crosslinked.
  • Polyamide crosslinking reaction can be produced. This is the job of
  • the fiction, contemporary backsheet for a photovoltaic module is characterized in that it contains in addition to the polyamide a terpolymer of acrylic ester, styrene and acrylonitrile. This terpolymer will hereinafter be referred to as "ASA”.
  • the terpolymer ASA is preferably present in the backsheet according to the invention to 20 to 80 parts by weight.
  • PA polyamide
  • the best polyamide 6 is suitable as the polyamide, so that in a preferred embodiment of the inventive rear foil as a polyamide at least partially, but especially exclusively, the polyamide 6 is provided.
  • terpolymer ASA is particularly well one which was prepared from 30 to 99 parts by weight of acrylic ester, 60 to 90 parts by weight of styrene and 1 to 40 parts by weight of acrylonitrile, with the proviso that the sum of Percent by weight for acrylic esters, styrene and acrylonitrile gives the value 100.
  • the fiction, contemporary backsheet may be formed as a monofilm or as a composite film.
  • the preparation can be done via the chill roll process.
  • the film may be monoaxially or biaxially stretched.
  • the present invention also relates to the use of the rear foil according to the invention in the manufacture of a photovoltaic module, and the photovoltaic module thus produced as such.
  • the fiction, contemporary backsheet can also with carrier films such as PET
  • the rear foil according to the invention can be on one or both sides
  • connection between the individual layers can be achieved by means of adhesive systems or
  • Adhesion promoters take place, wherein the adhesion promoters can also be contained proportionally in the individual layers.
  • the backsheet according to the invention, as well as the carrier foils, can be treated with stabilizers, e.g. UV stabilizers based on HALS, compatibilizers, antioxidants, dyes, flame retardants, pigments, glass fibers, or inorganic fillers.
  • carrier films and the rear film according to the invention can also be a
  • Barrier layer can be used to further reduce the water vapor and oxygen permeability.
  • This can be a metal foil, a metal oxide layer or a
  • Special polymer e.g. Be EVOH.
  • the rear foil or the carrier foil according to the invention can have an additional layer of a thermoplastic material which is suitable for binding to the
  • Embedding material of the solar cells in the PV module is used, or which this
  • the fiction, contemporary backsheet or a composite of fiction, in accordance with the rear foil and a carrier film may additionally also be provided with a metal foil.
  • the invention also relates to a composite foil, e.g. in the production of a
  • Photovoltaic module for encapsulation of embedded in a polymer solar cells can be used.
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PPO polyphenylene oxide
  • PEN polyethylene naphthalate
  • PVF polyvinyl fluoride
  • ETFE ethylene tetrafluoroethylene
  • PP polypropylene
  • PMMA Polymethylmethacrylate
  • PC polycarbonate
  • PI polyimide
  • POM polyoxymethylene
  • PA polyamide
  • ASA acrylic ester-styrene-acrylonitrile
  • the fiction, contemporary composite film is constructed at least 2-layer, wherein
  • the layer 2 comprises one or more polymers selected from the group consisting of PET (polyethylene terephthalate), PBT (polybutylene terephthalate), PPO (polyphenylene oxide), PEN (polyethylene naphthalate), PVF (polyvinyl fluoride), ETFE (ethylene tetrafluoroethylene) , PP (polypropylene), PMMA (polymethyl methacrylate), PC (polycarbonate), PI (polyimide), POM (polyoxymethylene), PA (polyamide), ASA (acrylic ester-styrene-acrylonitrile), COC
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PPO polyphenylene oxide
  • PEN polyethylene naphthalate
  • PVF polyvinyl fluoride
  • ETFE ethylene tetrafluoroethylene
  • PP polypropylene
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • the layer 1 represents the above-described rear film according to the invention and adjoins the layer 2 and, if appropriate, adhesively bonded thereto or connected via a bonding agent,
  • Embedding material binds.
  • the layer of PA and ASA thus acts as a primer. Furthermore, it has been found that the adhesion with PA and ASA in the course of hydrolytic aging tests (steam-heat, 85 ° C / 85% RH) decreases only slightly ( ⁇ 10% for EVA with a test duration of 1000 hours).
  • connection between the individual layers can be achieved by means of adhesive systems or
  • Adhesion promoters take place, wherein the adhesion promoters can also be contained proportionally in the individual layers.
  • a preferred embodiment of the composite film according to the invention is characterized in that layer 1 consists of ASA / PA and layer 2 contains ASA / PA.
  • the use of ASA / PA in adjacent layers has the advantage that they can also be directly connected to each other, ie without adhesive and without adhesion promoter.
  • the terpolymer ASA is preferably contained in layer 1 of the composite film according to the invention to 20 to 80 wt .-%.
  • PA polyamide
  • PPA polyphthalamide
  • the best polyamide 6 is suitable as the polyamide, so that in a preferred embodiment of the inventive rear foil as a polyamide at least partially, but especially exclusively, the polyamide 6 is provided.
  • terpolymer ASA is particularly well one which was prepared from 30 to 99 parts by weight of acrylic ester, 60 to 90 parts by weight of styrene and 1 to 40 parts by weight of acrylonitrile, with the proviso that the sum of Percent by weight for acrylic esters, styrene and acrylonitrile gives the value 100.
  • Another preferred embodiment of the composite film according to the invention is that it has a third layer which is bonded to the layer 1, the third layer containing a thermoplastic polymer selected from the group consisting of EVA, TPO, PVB, EBA, silicone elastomer, acrylate is. These thermoplastic elastomers may be grafted with silanes or MAH, among others.
  • This third layer serves as
  • the fiction, contemporary layers of the composite film can be produced by the chill roll process. Furthermore, the film may be monoaxially or biaxially stretched.
  • the present invention also relates to the use of the invention
  • Photovoltaic module as such.
  • the layers adjacent to the adhesion-promoting layer can also be blends
  • composite film according to the invention can be mixed with stabilizers, compatibilizers,
  • a barrier layer can also be used to further reduce the water vapor and oxygen permeability.
  • This can be a metal foil, a metal oxide layer or a
  • Special polymer e.g. Be EVOH.
  • an additional adhesion-promoting layer can be located between the adjacent layers and the composite film according to the invention, which serves for better connection to the adjacent layers.
  • Example 2a Production of a backsheet of PA6
  • the polymer was melted in an extruder at a temperature of 240 ° C and at a pressure of 105 bar and homogenized. The resulting melt was distributed through a slot die and a roller in subtracted from a continuous process. The film was subsequently over a
  • Example 2b Preparation of a backsheet from the PA6 / ASA mixture
  • Example 3 Documentation of the Permeability of Water Vapor and Oxygen of the Back Film of PA alone and the Backing Film of the Invention
  • a rear film produced from PA 12 shows a water vapor permeability of 20 g / m 2 d at a thickness of 45 ⁇ , whereas the fiction, contemporary rear film of PA6 / ASA a
  • the oxygen permeability of a backsheet made of PA12 is 605 cm 3 / m 2 d atm, whereas the rear film according to the invention from PA6 / ASA a
  • Oxygen permeability of 110 cm 3 / m 2 d atm has (measuring conditions 23 ° C / 100%
  • Example 4 Documentation of the weathering resistance of the backsheet of PA6 alone and the backsheet according to the invention
  • the backsheet made of PA6 alone prepared in Example 2a showed disadvantageous properties with respect to the decrease in elongation at break at ambient conditions which lead to hydrolysis.
  • the elongation at break is a measure of the brittleness and thus the
  • the elongation at break was determined by clamping a film strip with a width of 20 mm into a tensile testing machine. The test took place until the film broke. The elongation in% until the break of the film was evaluated.
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PPO polyphenylene oxide
  • PEN polyethylene naphthalate
  • PVF polyvinyl fluoride
  • ETFE ethylene-tetrafluoroethylene
  • PP polypropylene
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • PI polyimide
  • the two-layer composite was produced from film materials which consist of ASA / PA and one of the abovementioned polymers.
  • the ASA-PA film was bonded to the film consisting of the respective polymer in a roll to roll process by means of PU adhesive systems.
  • the PU adhesive system was applied to the film of one of the polymers mentioned by way of an applicator roll with a resin coverage of between 1 g / m 2 and 15 g / m 2 . Thereafter, the solvent of the PU adhesive system was evaporated at 120 ° C and the ASA-PA film glued to the PU adhesive system coated film between two press rolls. Other layers can be glued analogously to these layers.
  • An inventive two-layer composite material could alternatively be manufactured by coextrusion.
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PPO polyphenylene oxide
  • PEN polyethylene naphthalate
  • PVF polyvinyl fluoride
  • ETFE ethylene-tetrafluoroethylene
  • PP polypropylene
  • PMMA polymethyl methacrylate
  • PC Polycarbonate
  • PI polyimide
  • POM polyoxymethylene
  • PA polyamide
  • ASA acrylic ester-styrene-acrylonitrile
  • a coextrudate ASA / PA, PA could be prepared by coextrusion analogously to the extrusion in Example 2b.
  • the extrusion plant had to have two separate extruder, one extruder thereby processed the material ASA / PA, the second extruder, the polyamide. Via a feedblock, the polymers were then distributed so that the layer sequence
  • Multilayer composites can be produced analogously by the use of further extruders and / or the use of suitable layer distribution systems (feedblock).
  • the associated test was a T-Peel test which was carried out by means of Zwick tensile tester.
  • the adhesions were always measured between embedding and encapsulating film.
  • a composite of encapsulating material / embedding material / encapsulating material was produced in each case in the laminator.
  • the measurements were carried out after lamination and after 500h aging at 85 ° C and 85% r.h ..
  • the adhesion was tested as follows: The respective sample was in the mentioned
  • a laminated film with ASA / PA as layer 1 shows good adhesion to various embedding materials after lamination. After lamination and before steam-heat testing, polyamide itself can also have comparable adhesions. After aging at 85 ° C and 85% r.h. However, for 500h DH, PA shows a loss of adhesion which is significantly higher than in the composite film of the present invention. At EVA e.g. the liability drop is below 10%.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne un film arrière pour un module photovoltaïque, qui contient un polyamide, ladite invention se caractérisant en ce que le film arrière contient également un terpolymère à base d'ester acrylique, de styrène et de acrylonitrile (ASA). L'invention concerne en outre un film composite, constitué d'au moins deux couches, • (a) la couche 2 contenant un ou plusieurs polymères qui sont choisis dans le groupe comprenant le PET (poly(téréphtalate d'éthylène)), le PBT (poly(téréphtalate de butylène)), le PPO (poly(oxyde de phénylène)), le PEN (poly(naphtalate d'éthylène)), le PVF (poly(fluorure de vinyle)), l'ETFE (éthylène-tétrafluoréthylène), le PP (polypropylène), le PMMA (polyméthylméthacrylate), le PC (polycarbonate), le PI (polyimide), le POM (polyoxyméthylène), le PA (polyamide), l'ASA (ester acrylique-styrène-acrylonitrile), le COC (copolymère cyclooléfinique) et le PEI (polyétherimide); et • (b) la couche 1 constitue un film arrière selon l'une des revendications 1 à 6, jouxte la couche 2 et est le cas échéant collée à cette dernière ou liée à elle par l'intermédiaire d'un agent adhésif. L'invention concerne en outre un module photovoltaïque qui comporte ledit film arrière ou ledit film composite.
PCT/EP2013/057142 2012-04-20 2013-04-04 Film arrière et film composite pour un module photovoltaïque WO2013156319A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP12164893 2012-04-20
EP12164893.5 2012-04-20
AT504342012 2012-10-08
ATA50434/2012 2012-10-08

Publications (1)

Publication Number Publication Date
WO2013156319A1 true WO2013156319A1 (fr) 2013-10-24

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AR (1) AR091803A1 (fr)
WO (1) WO2013156319A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659131A (zh) * 2015-02-09 2015-05-27 无锡德明科技有限公司 一体式可交联太阳能组件
WO2019185842A1 (fr) * 2018-03-28 2019-10-03 Dsm Ip Assets B.V. Feuille de support comprenant du polybutylène téréphtalate
CN112677588A (zh) * 2020-11-17 2021-04-20 苏州洛瑞卡新材料科技有限公司 一种asa双层复合覆膜
CN114921197A (zh) * 2022-05-05 2022-08-19 陕西化工研究院有限公司 一种高透明光伏胶膜用eva复合材料及其制备方法

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WO2019185842A1 (fr) * 2018-03-28 2019-10-03 Dsm Ip Assets B.V. Feuille de support comprenant du polybutylène téréphtalate
CN111902276A (zh) * 2018-03-28 2020-11-06 帝斯曼知识产权资产管理有限公司 包含聚对苯二甲酸丁二醇酯的背板
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CN112677588A (zh) * 2020-11-17 2021-04-20 苏州洛瑞卡新材料科技有限公司 一种asa双层复合覆膜
CN114921197A (zh) * 2022-05-05 2022-08-19 陕西化工研究院有限公司 一种高透明光伏胶膜用eva复合材料及其制备方法
CN114921197B (zh) * 2022-05-05 2023-09-05 陕西化工研究院有限公司 一种高透明光伏胶膜用eva复合材料及其制备方法

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