WO2018032731A1 - 光伏组件用封装材料及该封装材料的制备方法 - Google Patents

光伏组件用封装材料及该封装材料的制备方法 Download PDF

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Publication number
WO2018032731A1
WO2018032731A1 PCT/CN2017/072149 CN2017072149W WO2018032731A1 WO 2018032731 A1 WO2018032731 A1 WO 2018032731A1 CN 2017072149 W CN2017072149 W CN 2017072149W WO 2018032731 A1 WO2018032731 A1 WO 2018032731A1
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WO
WIPO (PCT)
Prior art keywords
powder coating
photovoltaic module
fiber cloth
acrylic powder
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/072149
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English (en)
French (fr)
Inventor
戴天贺
骆飚
汪志成
龙国柱
刘皎彦
练成荣
王伟力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunman (shanghai) Co Ltd
TIGER Drylac (Taicang) Co Ltd
Original Assignee
Sunman (shanghai) Co Ltd
TIGER Drylac (Taicang) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57679968&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2018032731(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sunman (shanghai) Co Ltd, TIGER Drylac (Taicang) Co Ltd filed Critical Sunman (shanghai) Co Ltd
Priority to PCT/CN2017/072149 priority Critical patent/WO2018032731A1/zh
Priority to EP17840709.4A priority patent/EP3416200B1/en
Priority to JP2018544937A priority patent/JP6752537B2/ja
Priority to ES17840709T priority patent/ES2938286T3/es
Priority to AU2017312823A priority patent/AU2017312823B2/en
Publication of WO2018032731A1 publication Critical patent/WO2018032731A1/zh
Priority to US16/109,722 priority patent/US10872989B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/804—Materials of encapsulations
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0022—Glass fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0034—Polyamide fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
    • D06N3/0093—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by applying resin powders; by sintering
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/042—Acrylic polymers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F71/00—Manufacture or treatment of devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F71/00—Manufacture or treatment of devices covered by this subclass
    • H10F71/137—Batch treatment of the devices
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/02—Synthetic macromolecular fibres
    • D06N2201/0263—Polyamide fibres
    • D06N2201/0272—Aromatic polyamide fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/08—Inorganic fibres
    • D06N2201/082—Glass fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/08—Inorganic fibres
    • D06N2201/087—Carbon fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/10—Particulate form, e.g. powder, granule
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/067—Flame resistant, fire resistant
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1678—Resistive to light or to UV
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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

Definitions

  • the present invention relates to the field of photovoltaics, and in particular to a packaging material for a photovoltaic module, and to a method for preparing the packaging material.
  • Solar photovoltaic power generation relies on solar cells to directly convert light energy into electrical energy.
  • the total global production of photovoltaic cells has increased at an average annual growth rate of more than 40%.
  • the installed capacity of photovoltaic systems worldwide has reached 100 GW.
  • Photovoltaic power generation is expected to account for 10% of the world's energy supply by 2030, making a substantial contribution to the world's energy supply and energy mix.
  • the package structure of the existing typical photovoltaic module includes from the top to the bottom: tempered glass layer 30c, upper EV A layer 21c, photovoltaic panel layer 10c, lower EVA layer 22c, back sheet layer 40c, wherein: the density of the tempered glass layer is 2.5 g/cm 3 , and the common thickness of the tempered glass is 3.2 mm, so that the tempered glass glass is The weight of square meters is up to 8Kg.
  • the PV modules packaged by them are usually of higher quality. The weight of the PV modules is more than lOKg per square meter.
  • the weight of PV modules per square meter is at least 12Kg, when it is applied in construction.
  • the support structure of the photovoltaic module is put forward higher requirements, which increases the difficulty of construction and the cost of installation.
  • the specific performance is as follows: During the installation of the roof or the wall, there is heavy weight. The installation is labor intensive and difficult to implement; especially in some cases, due to the limitation of the load bearing capacity of the building, it is impossible to Installation of PV modules.
  • the existing photovoltaic module packaging structure has a single appearance and is not easily changed to meet the requirements of different architectural aesthetics.
  • the Chinese invention patent of CN102516852A discloses a weather-resistant, high-heat-conducting coating and a heat-dissipating solar backsheet, but the coating is in production. A large amount of solvent is used in the process, which is very polluting to the environment and does not meet the green environmental standards.
  • the Chinese invention patent of CN102610680A discloses a UV-curable weather-resistant coating solar cell backsheet, but the liquid coating process used is complicated, the defect rate is high, and the equipment investment is large.
  • fluoropolymers are used in a series of Chinese invention patents such as CN102712184A, CN103346182A, CN102969382B, CN101290950B, CN103958196A, etc., but the fluoropolymer is expensive and increases the production cost, and the above patents It is only a material for photovoltaic backsheets, which is opaque, low in hardness and weak in rigidity, and is not suitable for replacing existing tempered glass.
  • an object of the present invention is to provide a packaging material for a photovoltaic module, which is not only low in manufacturing cost
  • Another object of the present invention is to provide a method for preparing the above-mentioned packaging material for a photovoltaic module, which realizes any change in the package size of the photovoltaic module to meet the installation requirements of different buildings, and further facilitates the installation and application of the photovoltaic module.
  • a packaging material for a photovoltaic module comprises the following parts by weight of raw materials: fiber cloth
  • the fiber cloth is woven from a fiber material; 50-70 parts of an acrylic powder coating, the acrylic powder coating comprises an acrylic resin, a curing agent and an auxiliary agent; wherein the acrylic powder The coating is uniformly applied to the fiber cloth.
  • the fiber cloth has a basis weight ranging from 30 to 400 g/m 2
  • the acrylic powder coating has a weight per unit area of 100-400 g/coated on the fiber cloth. m 2.
  • the fiber material is any one or a combination of glass fiber, carbon fiber and aramid fiber.
  • the fiber material has a single diameter ranging from 3 to 23 ⁇ m.
  • the fiber cloth is made of a combination of any one of a plain weave, a twill, a satin, a rib, or a mat, or a plurality of weaving methods.
  • the acrylic resin has a refractive index ranging from 1.40 to 1.50, an epoxy equivalent ranging from 300 to 800 g/eq, a hydroxyl value ranging from 15 to 70 mgKOH/g, and an acid value ranging from 15 to 85 mgKOH/g.
  • the glass transition temperature ranges from 40 to 70 ° C
  • the viscosity ranges from 75 to 600 Pa
  • the softening point temperature ranges from 100 to 120 ° C.
  • the curing agent is in an amount of 5-25% by weight of the acrylic powder coating, and the curing agent is blocked isocyanate, phthalic anhydride, trimellitic anhydride, sebacic acid, and ten Any one of monoalkaned acid, dodecanedioic acid, tridecanedioic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecanedioic acid, carboxylated polyester, hydrogenated epoxy, GMA acrylic acid Or a mixture of any of the ratios.
  • the acrylic powder coating further comprises an auxiliary agent, wherein the auxiliary component is 0-50% by weight of the acrylic powder coating, and the auxiliary agent is a polyamide wax and a poly Olefin wax, amide modified phenol urea surfactant, benzoin, polydimethylsiloxane, vinyltrichlorosilane, n-butyltriethoxysilane, methyl orthosilicate, monoalkoxy coke Phosphate ester, acrylate resin, phenolic resin, urea resin, melamine formaldehyde resin, distearyl ethylenediamine, a mixture of ethylene oxide and propylene oxide, hindered phenol, thiodipropionate, benzophenone Any one or a mixture of any of a ratio of a salicylate derivative, a hindered amine, an alumina, a fumed silica, and a silica.
  • the auxiliary agent is a polyamide wax and a poly Ole
  • the present invention also provides a method for preparing a packaging material for a photovoltaic module as described above, wherein
  • the acrylic powder coating is uniformly coated on the fiber cloth by a coating device; [0021] b), the acrylic powder coating is applied by pressure heating The fiber cloth is thermally bonded; [0022] c), the step b) is completed by step b) completing the thermally bonded acrylic powder coating and the fiber cloth; [0023] d) obtaining a packaging material for a photovoltaic module.
  • the thermal bonding process has a pressurization range of 0.05-0.25 MPa, the thermal bonding process has a heating temperature range of 90-130 ° C, and the heated turn-up range is 5-20 seconds.
  • the present invention provides a packaging material for a photovoltaic module by using 30-50 parts by weight of a fiber cloth and 50-70 parts by weight of an acrylic powder coating uniformly coated on the fiber cloth, in order to satisfy ultraviolet, anti-aging, and anti-aging properties.
  • a packaging material for a photovoltaic module by using 30-50 parts by weight of a fiber cloth and 50-70 parts by weight of an acrylic powder coating uniformly coated on the fiber cloth, in order to satisfy ultraviolet, anti-aging, and anti-aging properties.
  • an acrylic powder coating uniformly coated on the fiber cloth
  • the battery in this way, can not only greatly reduce the weight of the photovoltaic module, thereby adapting to the installation of photovoltaic power generation products in more occasions, but also reducing the labor intensity of the product installation and improving the installation convenience, and reducing the photovoltaic module as a whole. Installation costs.
  • the present invention also uniformly coats the acrylic powder coating on the fiber cloth by a coating device, and then pre-bonds the acrylic powder coating with the fiber cloth by pressure heating, and finally cuts the appropriate size by section cutting.
  • the packaging material of the photovoltaic module can realize any change of the package size of the photovoltaic component to meet the installation requirements of different buildings, and further facilitate the installation and application of the photovoltaic component.
  • FIG. 1 is a block diagram showing the steps of preparing a packaging material for a photovoltaic module according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a preparation device for a packaging material for a photovoltaic module according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a photovoltaic module packaging structure using the packaging material for a photovoltaic module of the present invention
  • FIG. 4 is a schematic view showing another package structure of a photovoltaic module to which the package material for a photovoltaic module of the present invention is applied
  • FIG. 5 is a schematic view showing a package structure of a conventional photovoltaic module according to the background art of the present invention.
  • the embodiment of the invention discloses a packaging material for a photovoltaic module, the packaging material comprises the following raw materials by weight: 30-50 parts of fiber cloth, the fiber cloth is made of fiber material; acrylic powder coating 50- 70 copies, The acrylic powder coating includes an acrylic resin, a curing agent, and an auxiliary agent; wherein the acrylic powder coating is uniformly coated on the fiber cloth.
  • the embodiment of the present invention proposes to use 30-50 parts by weight of fiber cloth and 50-70 parts by weight of acrylic powder coating uniformly coated on the fiber cloth as a packaging material for the photovoltaic module, satisfying the anti-UV and anti-UV Under the premise of aging, impact resistance, fire protection and other technical standards of the photovoltaic industry, it has effectively solved the light weight of photovoltaic module packaging materials, and has low manufacturing cost. It replaces the traditional packaged structure of tempered glass to provide certain rigidity to photovoltaic modules.
  • Embodiments of the present invention also disclose a method for preparing an encapsulating material for a photovoltaic module as above, wherein the operation steps include the following:
  • the acrylic powder coating is uniformly coated on the fiber cloth by a coating device
  • step b) complete the thermal bonding of the acrylic powder coating and the fiber cloth is cut in sections;
  • the acrylic powder coating is uniformly coated on the fiber cloth by the coating device, and then the acrylic powder coating is pre-bonded with the fiber cloth by pressure heating, and finally the segment cutting is performed appropriately.
  • the packaging material of the size of the photovoltaic component can realize any change of the package size of the photovoltaic component to meet the installation requirements of different buildings, and further facilitate the installation and application of the photovoltaic component.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • a packaging material for a photovoltaic module comprises the following parts by weight of raw materials:
  • the fiber cloth is woven from the fiber material.
  • the fiber cloth is made of any plain, twill, satin, rib or mat. a weaving method or a combination of several weaving methods, specifically, in the present embodiment, 30 parts of fiber cloth, fiber
  • the cloth is made of a fiber material by a plain weaving method.
  • those skilled in the art can select other well-known weaving methods according to actual needs;
  • the basis weight of the fiber cloth ranges from 30 to 400 g/m 2 , and the weight of the fiber cloth is ensured under the strength of the fiber cloth, specifically, in the embodiment.
  • the fiber cloth has a basis weight of 100 g/m 2 ;
  • the fiber material is any one or a combination of glass fiber, carbon fiber and aramid fiber to ensure good insulation and weather resistance of the fiber cloth, and is compatible with photovoltaic
  • the fiber material is glass fiber.
  • those skilled in the art can select other types of fiber materials according to actual needs, and the embodiments of the present invention will not be further illustrated;
  • the diameter of the monofilament of the fiber material ranges from 3 to 23 ⁇ m, and specifically, in the embodiment, the diameter of the monofilament of the fiber material is 3 ⁇ m, which facilitates weaving of the fiber material, and easily obtain the required basis weight of the fiber cloth;
  • the acrylic powder coating comprises an acrylic resin and a curing agent, specifically, in the present embodiment, 70 parts of the acrylic powder coating;
  • the acrylic resin has a refractive index ranging from 1.40 to 1.50, an epoxy equivalent ranging from 300 to 800 g/eq, a hydroxyl value ranging from 15 to 70 mgKOH/g, and an acid value ranging from 15 to 85mgKOH/g, glass transition temperature range of 40-70 ° C, viscosity range of 75-600Pa, s, softening point temperature range of 100-120 ° C, to ensure good insulation and weather resistance of acrylic resin, in line with photovoltaic Related standard requirements, further preferably, in the embodiment of the present invention, the acrylic resin is any one or a few of a hydroxy acrylic resin, a GMA (glycidyl methacrylate) acrylic resin, a carboxy acrylic resin or a difunctional acrylic resin. Specifically, in the present embodiment, the acrylic resin is GMA (glycidyl methacrylate) acrylic resin. Of course, those skilled in the art can select other types of acrylic resin according to actual needs.
  • the acrylic resin is any one or a few
  • the curing agent is 5-25% by weight of the acrylic powder coating, and the curing agent is blocked isocyanate, phthalic anhydride, trimellitic anhydride, sebacic acid, undecanedioic acid. , dodecanedioic acid, tridecanedioic acid, tetradecanedioic acid, pentadecanedioic acid, hexadecandioic acid, carboxyl group Any one or a mixture of any one of a mixture of an ester, a hydrogenated epoxy, and a GMA acrylic acid.
  • the curing agent is a blocked isocyanate
  • the blocked isocyanate accounts for 10% by weight of the acrylic powder coating.
  • those skilled in the art can select other types of curing agents and curing agents in the range of 5-25% by weight (including 5% and 25% endpoint values) according to the type and actual conditions of the acrylic resin. The same technical effects can be obtained, and the embodiments of the present invention are not further illustrated;
  • the acrylic powder coating is uniformly coated on the fiber cloth, and the acrylic powder coating has a weight per unit area of 100-400 g/m 2 coated on the fiber cloth, specifically, in the embodiment, acrylic The weight per unit area of the powder coating coated on the fiber cloth is 100 g/m 2 ;
  • the acrylic powder coating provided by the embodiment of the present invention may further add a certain amount of auxiliary agent, preferably, the auxiliary part by weight of the acrylic powder coating. 0-50%, used to further improve the transparency, weather resistance, insulation and flame retardancy of acrylic powder coatings.
  • the color of acrylic powder coating can be adjusted by adding additives. Further benefiting the actual installation application of the photovoltaic module.
  • the auxiliary agent is a polyamide wax, a polyolefin wax, an amide modified phenol urea surfactant, benzoin, polydimethylsiloxane, vinyltrichlorosilane, n-butyl Triethoxysilane, methyl orthosilicate, monoalkoxy pyrophosphate, acrylate, phenolic resin, urea formaldehyde resin, melamine formaldehyde resin, distearyl ethylenediamine, ethylene oxide and propylene oxide Mixture, hindered phenol, thiodipropionate, benzophenone, salicylate derivative, hindered amine, alumina, fumed silica, silica, any one or several of any ratio Mixing, of course, those skilled in the art can select other types of auxiliary agents according to actual needs, which are not specifically described in the embodiments of the present invention.
  • the acrylic powder coating material according to the embodiment of the present invention can be prepared by using a known preparation technique of any of the existing powder coating materials, and the typical method can be prepared by using a premixing, melt extrusion, milling process, etc.
  • the acrylic resin and the curing agent are premixed.
  • the premixed crucible can be selected between 2 and 10 minutes (if the acrylic powder coating contains an auxiliary agent, it is also premixed together). The premixed mixture is then extruded and pressed into a sheet by a screw extruder.
  • the length to diameter ratio of the extruder can be selected between 15:1 and 50:1, and the heating temperature of the extruder is selected at Between 80-120 ° C, the screw speed is selected at 200-800 rpm; finally, the sheet is pulverized into small pieces and then ground into a powder coating of a certain particle size by a mill.
  • the rotation speed of the mill is selected at 50-150 rpm.
  • acrylic powder The particle size range of the final coating product is controlled between 35-300 ⁇ m.
  • other process parameters or powder coating preparation processes can also be used to prepare the acrylic powder coating, which is believed to be a routine choice of those skilled in the art. Therefore, the preparation process of the acrylic powder coating will not be described in detail herein.
  • the method for preparing the packaging material for a photovoltaic module is as follows, wherein the operation steps include the following:
  • the acrylic powder coating is uniformly coated on the fiber cloth by a coating device
  • the thermal bonding process needs to adopt a suitable range of pressurization and heating control, because the acrylic powder coating and the fiber cloth can be made only under the appropriate pressure and temperature conditions. A better hot-melt bonding process is achieved, which ultimately ensures the requirements of the lamination process in the process of preparing the photovoltaic module package, thereby obtaining a packaging material that is truly applicable to the photovoltaic cell package. Therefore, preferably, in the embodiment of the present invention, the press range of the thermal bonding process is 0.05-0.25 Mpa, the heating temperature range of the thermal bonding process is 90-130 ° C, and the heating range is 5-20 seconds. Specifically, in the present embodiment, the pressing pressure of the thermal bonding process is 0.05 MPa, the heating temperature of the thermal bonding process is 130 ° C, and the heating enthalpy range is 5 seconds.
  • the method for preparing the packaging material for the photovoltaic module adopts the device shown in FIG. 2, and in actual practice, the fiber cloth is placed in the fiber feeder 51, and the acrylic powder is used.
  • the coating material is uniformly coated on the fiber cloth output from the fiber feeder 51 by the coating device 52, and then heated and heated by the hot melt laminator 53 to thermally bond the acrylic powder coating material to the fiber cloth to complete thermal bonding.
  • the acrylic powder coating and the fiber cloth are segmented and cut to obtain a packaging material for the photovoltaic module.
  • the coating apparatus may also employ a dusting head which implements the coating process in the form of dusting to achieve uniform application of the acrylic powder coating to the fiber cloth.
  • those skilled in the art can also use any of the well-known devices in the prior art to complete the preparation of the packaging material for photovoltaic modules disclosed by the present invention.
  • the photovoltaic module package of the packaging material for photovoltaic modules of the present embodiment includes, in order from top to bottom, an encapsulating material layer 30a, an upper EVA layer 21a, a photovoltaic panel layer 10a, a lower EVA layer 22a, and a backing layer 40a, wherein the package is formed.
  • the material layer 30a replaces the tempered glass layer.
  • a person skilled in the art can use the encapsulation material obtained by the embodiment of the present invention to replace other encapsulation layer structures or combine with other materials to replace other layer structures according to actual needs and conditions of the installation site, and the present invention does not specifically limit the present invention. .
  • FIG. 4 another schematic diagram of a photovoltaic module package structure using the packaging material for a photovoltaic module of the present embodiment is shown in FIG.
  • the photovoltaic package structure includes, in order from top to bottom, an upper package material layer 31b, an upper EVA layer 21b, a photovoltaic panel layer 10b, a lower EVA layer 22b, and a lower package material layer 32b, which are formed by the present embodiment.
  • the material layer 31b and the lower encapsulating material layer 32b replace the tempered glass layer and the backing layer, respectively.
  • the encapsulating material includes the following parts by weight of the raw materials:
  • the fiber cloth has a basis weight of 30 g / m 2 ;
  • the fibrous material is carbon fiber
  • the filament diameter of the fiber material is 5 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • acrylic resin is a hydroxy acrylic resin;
  • the curing agent is phthalic anhydride, and the phthalic anhydride is 15% by weight of the acrylic powder coating.
  • the auxiliary agent is a polyamide wax or the like, and the weight fraction of the polyamide wax accounts for 10% by weight of the acrylic powder coating;
  • the acrylic powder coating has a basis weight of 150 g/m coated on the fiber cloth.
  • the pressing pressure of the thermal bonding process is 0.1 Mpa
  • the heating temperature of the thermal bonding process is 120 ° C
  • the heating time is 8 seconds.
  • the encapsulating material includes the following parts by weight of the raw materials:
  • the fiber cloth has a basis weight of 50 g / m 2 ; [0078] the fibrous material is aramid fiber;
  • the filament diameter of the fiber material is 8 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the acrylic resin is a bifunctional acrylic resin
  • the curing agent is trimellitic anhydride, and the weight fraction of trimellitic anhydride accounts for 18% by weight of the acrylic powder coating.
  • the auxiliary agent is a polyolefin wax or the like, and the weight portion of the polyolefin wax or the like accounts for 15% by weight of the acrylic powder coating;
  • the acrylic powder coating coated on the fiber cloth has a basis weight of 200 g / m 2 ;
  • the pressing pressure of the thermal bonding process is 0.15 MPa
  • the heating temperature of the thermal bonding process is 100 ° C
  • the heating time is 10 seconds
  • the encapsulating material comprises the following parts by weight of raw materials:
  • the fiber cloth has a basis weight of 80 g / m 2 ;
  • the diameter of the monofilament of the fibrous material is ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the curing agent is azelaic acid, and the weight fraction of sebacic acid accounts for 22% by weight of the acrylic powder coating.
  • the auxiliary agent is an amide-modified phenol urea surfactant, etc., and the weight of the amide-modified phenol urea surfactant is 10% by weight of the acrylic powder coating;
  • the acrylic powder coating has a basis weight of 250 g/m coated on the fiber cloth.
  • the pressing pressure of the thermal bonding process is 0.18 MPa
  • the heating temperature of the thermal bonding process is 115 ° C
  • the heating time is 8 seconds
  • the encapsulating material includes the following parts by weight of the raw materials:
  • the fiber cloth has a basis weight of 120 g / m 2 ;
  • the filament diameter of the fiber material is 13 ⁇ ;
  • 50 parts of acrylic powder coating, acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the curing agent is undecanedioic acid, and the weight fraction of undecanedioic acid accounts for 25% by weight of the acrylic powder coating.
  • the auxiliary agent is benzoin or the like, and the parts by weight of benzoin and the like account for 35% by weight of the acrylic powder coating;
  • the acrylic powder coating has a basis weight of 300 g/m coated on the fiber cloth.
  • the pressing pressure of the thermal bonding process is 0.2 MPa
  • the heating temperature of the thermal bonding process is 118 ° C
  • the heating time is 6 seconds
  • the encapsulating material includes the following parts by weight of the raw materials:
  • the fiber cloth has a basis weight of 150 g / m 2 ;
  • the filament diameter of the fiber material is 16 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • curing agent is dodecanedioic acid, dodecanedioic acid by weight of 16% by weight of acrylic powder coating ,
  • the auxiliary agent is polydimethylsiloxane or the like, and the weight part of polydimethylsiloxane is 50% by weight of the acrylic powder coating;
  • the acrylic powder coating has a basis weight of 350 g/m coated on the fiber cloth.
  • the pressing pressure of the thermal bonding process is 0.25 MPa
  • the heating temperature of the thermal bonding process is 95 ° C
  • the heating time is 15 seconds
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 180 g / m 2 ;
  • the filament diameter of the fiber material is 18 ⁇ ;
  • Acrylic powder coating 67 parts, acrylic powder coating includes acrylic resin, curing agent and auxiliary agent; [0126] acrylic resin is a hydroxy acrylic resin;
  • the curing agent is tridecanedioic acid, the weight fraction of tridecanedioic acid accounts for 18% by weight of the acrylic powder coating;
  • the auxiliary agent is silica or the like, and the auxiliary part by weight is 45% by weight of the acrylic powder coating;
  • the acrylic powder coating has a basis weight of 400 g/m coated on the fiber cloth.
  • the pressing pressure of the thermal bonding process is 0.22 MPa
  • the heating temperature of the thermal bonding process is 105 ° C
  • the heating time is 20 seconds
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 200 g / m 2 ;
  • the filament diameter of the fibrous material is 18 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the acrylic resin is a bifunctional acrylic resin
  • the curing agent is tetradecanedioic acid, and the content of tetradecanedioic acid is 20% by weight of the acrylic powder coating;
  • the auxiliary agent is a hindered phenol or the like, and the auxiliary part by weight is 10% by weight of the acrylic powder coating;
  • the pressing pressure of the thermal bonding process is 0.16 MPa
  • the heating temperature of the thermal bonding process is 98 ° C
  • the heating time is 18 seconds
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 250 g / m 2 ;
  • the fibrous material is carbon fiber
  • the filament diameter of the fiber material is 20 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the curing agent is pentadecanedioic acid, and the weight fraction of pentadecanedioic acid accounts for 22% by weight of the acrylic powder coating;
  • the auxiliary agent is a mixture of acrylate, phenolic resin and urea-formaldehyde resin, and the auxiliary part by weight is 38% by weight of the acrylic powder coating;
  • the pressing pressure of the thermal bonding process The force is 0.18 MPa, the heating temperature of the thermal bonding process is 100 ° C, and the heating time is 16 seconds;
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 300 g / m 2 ;
  • the fibrous material is a combination of glass fibers and aramid fibers
  • the filament diameter of the fibrous material is 23 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the acrylic resin is a mixture of a hydroxy acrylic resin and a GMA acrylic resin
  • the curing agent is a mixture of pentadecanedioic acid and hexadecanedioic acid, the curing agent parts by weight of the acrylic powder coating amount of 25%;
  • the auxiliary agent is a mixture of melamine formaldehyde resin and distearyl ethylenediamine, and the auxiliary component is 15% by weight of the acrylic powder coating;
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 350 g / m 2 ;
  • the fibrous material is a combination of glass fibers and carbon fibers
  • the filament diameter of the fibrous material is 14 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • the acrylic resin is a hydroxy acrylic resin
  • the curing agent is a carboxyl polyester, and the weight portion of the carboxyl polyester is 18% by weight of the acrylic powder coating;
  • the auxiliary agent is a mixture of ethylene oxide and propylene oxide, and the auxiliary part by weight is 10% by weight of the acrylic powder coating;
  • Example 12 [0177]
  • the encapsulating material includes the following parts by weight of the raw material:
  • the fiber cloth has a basis weight of 400 g / m 2 ;
  • the filament diameter of the fibrous material is 23 ⁇ ;
  • acrylic powder coating includes acrylic resin, curing agent and auxiliary agent;
  • auxiliary agent is hindered phenol, thiodipropionate, benzophenone, salicylate derivative, a mixture of hindered amine, alumina and fumed silica, the auxiliary component by weight of 10% by weight of the acrylic powder coating;
  • the fiber cloth has a basis weight of 130 g/m 2 , and the acrylic powder coating is coated on the fiber cloth.
  • the weight per unit area is 180 g/m 2 .
  • the remaining technical solutions of the present embodiment 14 are the same as those of the above-mentioned embodiment 2, except that in the present embodiment 14, the basis weight of the fiber cloth is 80 g/m 2 , and the acrylic powder coating is coated on the fiber cloth.
  • the weight per unit area is 280 g/m 2 .
  • This comparative example 1 employs a packaging material of a conventional typical photovoltaic module described in the background art.
  • This Comparative Example 2 employs an EVA film encapsulating material described in the background art.
  • This Comparative Example 3 employed the POE film encapsulating material described in the background art.
  • Comparative Example 4 The remaining technical solutions of Comparative Example 4 were the same as those of the above Example 1, except that in the Comparative Example 4, the encapsulating material included 30 parts of fiber cloth and a conventional commercial epoxy powder coating.
  • the present invention performs an effect test on the above embodiments and comparative examples, and the test results are as shown in Table 1 below. 1 Comparison of the implementation effects of various packaging materials and photovoltaic module packaging
  • the weight of the package structure described in the full text of the present invention refers to the weight per unit square of the packaging material for the photovoltaic module;
  • the impact resistance test refers to the ice ball with a standard diameter of 25 mm and a mass of 7.53 g at 23.0 m/
  • the speed of s is emitted, impacting 11 locations of the packaged PV modules, and the impact resistance of the PV modules is judged by three aspects: appearance, maximum power attenuation and insulation resistance.
  • the fire resistance is detected by UL1703 standard.
  • the pencil hardness is the result of the ASTM D3363-2005 (R2011) standard test; the tensile strength is the result of the GB/T 1040.3-2006 standard test; the elongation at break is passed GB/T 1040.3-2006 standard test results.
  • the embodiment of the present invention effectively solves the lightness of the photovoltaic module packaging material under the premise of meeting the technical standards of the photovoltaic industry such as anti-ultraviolet, anti-aging, anti-shock, fireproof and the like.
  • Quantitative, and low manufacturing cost replacing the traditional package structure of tempered glass, providing a certain rigidity to the photovoltaic module to protect the photovoltaic cell, thus not only greatly reducing the weight of the photovoltaic module, thereby adapting to more occasions of photovoltaic power generation products Installation, but also reduce the labor intensity of the product installation and improve the installation convenience, reducing the installation cost of the photovoltaic module as a whole.
  • the acrylic powder coating is evenly coated on the fiber cloth by the coating device, and the acrylic powder coating is pre-bonded to the fiber cloth by pressure heating, and finally the segmentation is performed.
  • the packaging material of the PV module of suitable size is cut, so that any change of the package size of the PV module can be realized to meet the installation requirements of different buildings, and the installation and application of the PV module is further facilitated.

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Abstract

本发明公开了提供一种光伏组件用封装材料，封装材料包括下述重量份数的原料：纤维布30-50份，纤维布由纤维材料织造制成；丙烯酸粉末涂料50-70份，丙烯酸粉末涂料包括丙烯酸树脂和固化剂；其中，丙烯酸粉末涂料均匀地涂覆在纤维布上；本发明不仅制造成本低，而且在满足抗紫外、抗老化、抗冲击、防火等光伏行业技术标准要求的前提下，有效实现了解决了光伏组件封装材料的轻量化，提高安装的便利度，降低安装成本，非常适合在光伏领域规模推广应用；本发明还公开了该光伏组件用封装材料的制备方法，实现了光伏组件封装尺寸的任意改变以适应不同建筑的安装要求，进一步便于光伏组件的安装应用。

Description

光伏组件用封装材料及该封装材料的制备方法 技术领域
[0001] 本发明属于光伏领域， 具体涉及一种光伏组件用封装材料， 本发明还涉及了该 封装材料的制备方法。
背景技术
[0002] 在当前社会， 能源矛盾与环境问题越来越凸显， 发展各类清洁能源是必然趋势 。 近年来， 光伏行业快速发展， 技术更新逐步加快， 目前光伏行业正向产品多 元化发展， 高可靠性、 高功率、 低安装成本的各种功能组件研究幵发已成为光 伏组件发展的一种方向。
[0003] 太阳能光伏发电依靠太阳电池把光能直接转变为电能。 在过去的十年中， 光伏 电池全球总产量以平均超过 40%的年增长率增加， 至 2012年底全球光伏发电系统 装机容量已达 100GW。 预计光伏发电在 2030年占到世界能源供给的 10%， 对世 界的能源供给和能源结构做出实质性的贡献。
[0004] 作为光伏领域运用的封装材料， 要求其具备抗紫外、 抗老化等性能， 如图 5所 示， 现有典型的光伏组件的封装结构从上往下依次包括： 钢化玻璃层 30c、 上 EV A层 21c、 光伏电池板层 10c、 下 EVA层 22c、 背板层 40c， 其中： 钢化玻璃层的密 度达 2.5 g/cm 3， 而钢化玻璃的常用厚度为 3.2mm， 因而钢化玻璃玻璃每平方米重 量高达 8Kg， 由其封装完成的光伏组件通常质量较大， 其重量每平方米达到 lOKg 以上， 加上安装支撑结构， 光伏组件每平方米的重量至少达到 12Kg以上， 当其 应用在建筑物顶部或墙面等场合中， 对光伏组件的支撑结构提出了较高的要求 ， 增加了工程建设难度以及安装的成本， 具体表现为： 在建筑物顶部或墙面安 装过程中， 存在重量重， 安装劳动强度大， 实施困难； 特别在有一些场合由于 建筑承重载荷的限制， 导致无法安装光伏组件。 同吋， 现有的光伏组件封装结 构外观单一， 不太容易变化以适应不同建筑美观的要求等缺点。
[0005] 目前有一些技术方案提出通过改变封装材料试图来解决光伏组件轻量化的问题 ， 即采用高透光薄膜、 透明背板替代钢化玻璃， 但是在实际应用过程中， 由于 这些高透光薄膜、 透明背板大多仅采用 EVA、 POE等胶膜， 如此封装后的光伏组 件， 在抗冲击、 防火等性能上无法满足光伏行业技术标准。
[0006] 也有一些技术方案公幵用于降低光伏组件的重量， 如公幵号为 CN102516852A 的中国发明专利公幵了一种耐候、 高导热涂层和散热太阳能背板， 但是其涂层 在生产过程中要用到大量溶剂， 对环境污染很大， 不符合绿色环保标准。 又如 公幵号为 CN102610680A的中国发明专利公幵了一种 UV固化耐候涂层的太阳能 电池背板， 但是其采用的液体涂覆工艺较复杂， 不良率较高， 设备投资大。 再 如公幵号为 CN102712184A、 CN103346182A、 CN102969382B、 CN101290950B 、 CN103958196A等一系列中国发明专利中均采用了含氟聚合物， 但含氟聚合物 价格昂贵， 增加了生产成本， 不仅如此， 上述专利所公幵的仅仅只是光伏背板 用材料， 不透光， 硬度低、 刚性较弱， 不适合用于替代现有的钢化玻璃。 因 此， 有必要寻求一种光伏组件用封装材料来解决现有光伏组件封装结构中存在 的封装材料重量重的问题， 同吋又满足抗紫外、 抗老化、 抗冲击、 防火等光伏 行业技术标准的要求。
技术问题
[0007] 有鉴于此， 本发明的目的在于提供一种光伏组件用封装材料， 不仅制造成本低
， 而且在满足抗紫外、 抗老化、 抗冲击、 防火等光伏行业技术标准要求的前提 下， 有效实现了解决了光伏组件封装材料的轻量化， 提高安装的便利度， 降低 安装成本， 非常适合在光伏领域规模推广应用。
[0008] 本发明的另一目的在于提供上述光伏组件用封装材料的制备方法， 实现了光伏 组件封装尺寸的任意改变以适应不同建筑的安装要求， 进一步便于光伏组件的 安装应用。
问题的解决方案
技术解决方案
[0009] 本发明采用的技术方案如下：
[0010] 一种光伏组件用封装材料， 所述的封装材料包括下述重量份数的原料： 纤维布
30-50份， 所述的纤维布由纤维材料织造制成； 丙烯酸粉末涂料 50-70份， 所述 的丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； 其中， 所述的丙烯酸粉末 涂料均匀地涂覆在所述的纤维布上。
[0011] 优选地， 所述的纤维布的单位面积重量范围为 30-400g/m 2， 所述的丙烯酸粉末 涂料涂覆在所述的纤维布上的单位面积重量范围为 100-400 g/m 2。
[0012] 优选地， 所述的纤维材料是玻璃纤维、 碳纤维和芳纶纤维中的任意一种或几种 的组合。
[0013] 优选地， 所述的纤维材料的单直径范围为 3-23μηι。
[0014] 优选地， 所述的纤维布是由纤维材料采用平纹、 斜纹、 缎纹、 罗纹或席纹中的 任意一种织造方式或几种织造方式的组合制成。
[0015] 优选地， 所述的丙烯酸树脂的折射率范围 1.40-1.50， 环氧当量范围为 300-800g/ eq， 羟值范围为 15-70mgKOH/g， 酸值范围为 15-85mgKOH/g， 玻璃化温度范围 为 40-70°C， 粘度范围为 75-600Pa，s， 软化点温度范围为 100-120°C。
[0016] 本发明全文所述的单位 g/eq即为克 /当量。
[0017] 优选地， 所述固化剂重量份占所述的丙烯酸粉末涂料重量份的 5-25%， 所述的 固化剂是封闭型异氰酸酯、 邻苯二甲酸酐、 偏苯三酸酐、 癸二酸、 十一烷二酸 、 十二烷二酸、 十三烷二酸、 十四烷二酸、 十五烷二酸、 十六烷二酸、 羧基聚 酯、 氢化环氧、 GMA丙烯酸中的任意一种或几种任意配比的混合。
[0018] 优选地， 所述的丙烯酸粉末涂料还包括助剂， 所述的助剂重量份占所述的丙烯 酸粉末涂料重量份的 0-50%， 所述的助剂是聚酰胺蜡、 聚烯烃蜡、 酰胺改性酚脲 表面活性剂、 苯偶茵、 聚二甲基硅氧烷、 乙烯基三氯硅烷、 正丁基三乙氧基硅 烷、 正硅酸甲酯、 单烷氧基焦磷酸酯、 丙烯酸脂类、 酚醛树脂、 脲醛树脂、 三 聚氰胺甲醛树脂、 二硬脂酰乙二胺、 环氧乙烷与环氧丙烷的混合物、 受阻酚、 硫代二丙酸双酯、 二苯酮、 水杨酸酯衍生物、 受阻胺、 氧化铝、 气相二氧化硅 、 二氧化硅中的任意一种或几种任意配比的混合。
[0019] 优选地， 本发明还提出一种如上所述的光伏组件用封装材料的制备方法， 其中
， 其操作步骤包括如下：
[0020] a) 、 将所述的丙烯酸粉末涂料通过涂覆装置均匀地涂覆在所述的纤维布上； [0021] b) 、 通过加压加热使所述的丙烯酸粉末涂料与所述的纤维布实现热粘合； [0022] c) 、 将上述步骤 b) 完成热粘合的丙烯酸粉末涂料与纤维布进行分段裁切； [0023] d) 、 得到光伏组件用封装材料。
[0024] 优选地， 所述热粘合过程的加压范围为 0.05-0.25Mpa， 所述热粘合过程的加热 温度范围为 90-130°C， 加热吋间范围为 5-20秒。
发明的有益效果
有益效果
[0025] 本发明通过提出采用 30-50重量份的纤维布以及均匀涂覆在纤维布上的 50-70重 量份的丙烯酸粉末涂料作为光伏组件的封装材料， 在满足抗紫外、 抗老化、 抗 冲击、 防火等光伏行业技术标准要求的前提下， 有效实现了解决了光伏组件封 装材料的轻量化， 且制造成本低， 替代传统封装结构式的的钢化玻璃， 给光伏 组件提供一定的刚性以保护光伏电池， 如此， 不但能够大大减轻光伏组件的重 量， 由此适应更多场合的光伏发电产品的安装， 而且还能降低产品安装吋的劳 动强度以及提高安装的便利度， 从总体上降低光伏组件的安装成本。
[0026] 本发明还通过涂覆装置把丙烯酸粉末涂料均匀地涂覆在纤维布上， 再通过加压 加热使丙烯酸粉末涂料与所述纤维布预粘合， 最后分段裁切制得合适尺寸的光 伏组件的封装材料， 如此能实现光伏组件封装尺寸的任意改变以适应不同建筑 的安装要求， 进一步便于光伏组件的安装应用。
对附图的简要说明
附图说明
[0027] 附图 1是本发明具体实施方式下光伏组件用封装材料的制备步骤框图。
[0028] 附图 2是本发明具体实施方式下光伏组件用封装材料的制备设备结构示意图； [0029] 附图 3是一种应用本发明光伏组件用封装材料的光伏组件封装结构示意图； [0030] 附图 4是另一种应用本发明光伏组件用封装材料的光伏组件封装结构示意图； [0031] 附图 5是本发明背景技术所述的现有典型的光伏组件的封装结构示意图。
本发明的实施方式
[0032] 本发明实施例公幵了一种光伏组件用封装材料， 封装材料包括下述重量份数的 原料： 纤维布 30-50份， 纤维布由纤维材料织造制成； 丙烯酸粉末涂料 50-70份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； 其中， 丙烯酸粉末涂料均匀 地涂覆在纤维布上。
[0033] 本发明实施例通过提出采用 30-50重量份的纤维布以及均匀涂覆在纤维布上的 5 0-70重量份的丙烯酸粉末涂料作为光伏组件的封装材料， 在满足抗紫外、 抗老化 、 抗冲击、 防火等光伏行业技术标准要求的前提下， 有效实现了解决了光伏组 件封装材料的轻量化， 且制造成本低， 替代传统封装结构式的钢化玻璃， 给光 伏组件提供一定的刚性以保护光伏电池， 如此， 不但能够大大减轻光伏组件的 重量， 由此适应更多场合的光伏发电产品的安装， 而且还能降低产品安装吋的 劳动强度以及提高安装的便利度， 从总体上降低光伏组件的安装成本。
[0034] 本发明实施例还公幵了一种如上光伏组件用封装材料的制备方法， 其中， 其操 作步骤包括如下：
[0035] a) 、 将丙烯酸粉末涂料通过涂覆装置均匀地涂覆在纤维布上；
[0036] b) 、 通过加压加热使丙烯酸粉末涂料与纤维布实现热粘合；
[0037] c) 、 将上述步骤 b) 完成热粘合的丙烯酸粉末涂料与纤维布进行分段裁切；
[0038] d) 、 得到光伏组件用封装材料。
[0039] 本发明实施例通过涂覆装置把丙烯酸粉末涂料均匀地涂覆在纤维布上， 再通过 加压加热使丙烯酸粉末涂料与所述纤维布预粘合， 最后分段裁切制得合适尺寸 的光伏组件的封装材料， 如此能实现光伏组件封装尺寸的任意改变以适应不同 建筑的安装要求， 进一步便于光伏组件的安装应用。
[0040] 为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实施例或 现有技术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描述中的 附图仅仅是本发明中记载的一些实施例， 对于本领域普通技术人员来讲， 在不 付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
[0041] 实施例 1:
[0042] 一种光伏组件用封装材料， 封装材料包括下述重量份数的原料：
[0043] 纤维布 30-50份， 纤维布由纤维材料织造制成， 优选地， 在本发明实施例中， 纤维布是由纤维材料采用平纹、 斜纹、 缎纹、 罗纹或席纹中的任意一种织造方 式或几种织造方式的组合制成， 具体地， 在本实施方式中， 纤维布 30份， 纤维 布是由纤维材料采用平纹织造方式制成， 当然地， 本领域的技术人员可以根据 实际需要选择其他公知的织造方式；
[0044] 优选地， 在本发明实施例中， 纤维布的单位面积重量范围为 30-400g/m 2， 在确 保纤维布的强度下， 保证纤维布的轻量化， 具体地， 在本实施方式中， 纤维布 的单位面积重量为 100 g/m 2；
[0045] 优选地， 在本发明实施例中， 纤维材料是玻璃纤维、 碳纤维和芳纶纤维中的任 意一种或几种的组合， 用以确保纤维布具有良好的绝缘及耐候性， 符合光伏相 关标准要求， 具体地， 在本实施方式中， 纤维材料为玻璃纤维， 当然地， 本领 域的技术人员可以根据实际需要选择其他类型的纤维材料， 本发明实施例不再 一一展幵说明；
[0046] 优选地， 在本发明实施例中， 纤维材料的单丝直径范围为 3-23μηι， 具体地， 在 本实施方式中， 纤维材料的单丝直径为 3μηι， 便于纤维材料的织造， 以及便于得 到所需要的纤维布的单位面积重量；
[0047] 丙烯酸粉末涂料 50-70份， 丙烯酸粉末涂料包括丙烯酸树脂和固化剂， 具体 地， 在本实施方式中， 丙烯酸粉末涂料 70份；
[0048] 优选地， 在本发明实施例中， 丙烯酸树脂的折射率范围 1.40-1.50， 环氧当量范 围为 300-800g/eq， 羟值范围为 15-70mgKOH/g， 酸值范围为 15-85mgKOH/g， 玻 璃化温度范围为 40-70°C， 粘度范围为 75-600Pa，s， 软化点温度范围为 100-120°C ， 用以确保丙烯酸树脂具有良好的绝缘及耐候性， 符合光伏相关标准要求， 进 一步优选地， 在本发明实施例中， 丙烯酸树脂是羟基丙烯酸树脂、 GMA (甲基 丙烯酸缩水甘油酯类） 丙烯酸树脂、 羧基丙烯酸树脂或者双官能团丙烯酸树脂 中的任意一种或几种任意配比的组合， 具体地， 在本实施方式中， 丙烯酸树脂 为 GMA (甲基丙烯酸缩水甘油酯类） 丙烯酸树脂， 当然地， 本领域的技术人员 可以根据实际需要选择其他类型的丙烯酸树脂， 本发明实施例不再一一例举。
[0049]
优选地， 在本发明实施例中， 固化剂重量份占丙烯酸粉末涂料重量份的 5-25%， 固化剂是封闭型异氰酸酯、 邻苯二甲酸酐、 偏苯三酸酐、 癸二酸、 十一烷二酸 、 十二烷二酸、 十三烷二酸、 十四烷二酸、 十五烷二酸、 十六烷二酸、 羧基聚 酯、 氢化环氧、 GMA丙烯酸中的任意一种或几种任意配比的混合， 具体地， 在 本实施方式中， 固化剂是封闭型异氰酸酯， 封闭型异氰酸酯占丙烯酸粉末涂料 重量份的 10%， 当然地， 本领域的技术人员可以根据丙烯酸树脂的类型和实际情 况选择其他类型的固化剂和在 5-25%重量比范围 （包括 5%和 25%的端点值） 内的 固化剂， 同样可以取得相同的技术效果， 本发明实施例不再一一展幵说明；
[0050] 其中， 丙烯酸粉末涂料均匀地涂覆在纤维布上， 丙烯酸粉末涂料涂覆在纤维 布上的单位面积重量范围为 100-400 g/m 2， 具体地， 在本实施方式中， 丙烯酸粉 末涂料涂覆在纤维布上的单位面积重量为 100 g/m 2 ;
[0051] 当然地， 在其他具体实施方式中， 本发明实施例提供的丙烯酸粉末涂料还可 以加入一定重量份数的助剂， 优选地， 助剂重量份占所述的丙烯酸粉末涂料重 量份的 0-50%， 用于进一步提高丙烯酸粉末涂料的透明性、 耐候性、 绝缘性以及 阻燃性， 同吋还可以根据光伏组件安装的实际需求， 通过添加助剂来调整丙烯 酸粉末涂料的颜色， 进一步利于光伏组件的实际安装应用。 具体地， 在本发明 实施吋， 助剂是聚酰胺蜡、 聚烯烃蜡、 酰胺改性酚脲表面活性剂、 苯偶茵、 聚 二甲基硅氧烷、 乙烯基三氯硅烷、 正丁基三乙氧基硅烷、 正硅酸甲酯、 单烷氧 基焦磷酸酯、 丙烯酸脂类、 酚醛树脂、 脲醛树脂、 三聚氰胺甲醛树脂、 二硬脂 酰乙二胺、 环氧乙烷与环氧丙烷的混合物、 受阻酚、 硫代二丙酸双酯、 二苯酮 、 水杨酸酯衍生物、 受阻胺、 氧化铝、 气相二氧化硅、 二氧化硅中的任意一种 或几种任意配比的混合， 当然地， 本领域的技术人员可以根据实际需要选择其 他类型的助剂， 本发明实施例不再具体说明。
[0052] 本发明实施例涉及的丙烯酸粉末涂料可以采用现有任意一种粉末涂料的公知 制备技术来制备得到， 典型的方法可以采用预混、 熔融挤出、 磨粉等工序后制 备得到， 具体地， 在本实施方式中， 将丙烯酸树脂与固化剂进行预混， 优选地 ， 预混吋间可以选择在 2-10分钟之间 （若丙烯酸粉末涂料含有助剂， 也一同进行 预混） ， 然后将预混后的混合物用螺杆挤出机挤出并压成薄片， 优选地， 挤出 机的长径比可以选择在 15: 1-50： 1之间， 挤出机的加热温度选择在 80-120°C之 间， 螺杆转速选择在 200-800rpm; 最后将薄片粉碎成小片料进入磨粉机磨成一定 粒径的粉末涂料， 优选地， 磨粉机的转速选择在 50-150rpm， 优选地， 丙烯酸粉 末涂料成品的粒径范围控制在 35-300μηι之间。 当然地， 还可以采用其他工艺参 数或粉末涂料制备工艺来制备得到丙烯酸粉末涂料， 相信这些都是本领域技术 人员的常规技术选择， 因此， 丙烯酸粉末涂料的制备过程本文不再详细展幵描 述。
[0053] 请参见图 1所示， 在本具体实施方式中， 如上的光伏组件用封装材料的制备方 法， 其中， 其操作步骤包括如下：
[0054] a) 、 将丙烯酸粉末涂料通过涂覆装置均匀地涂覆在纤维布上；
[0055] b) 、 通过加压加热使丙烯酸粉末涂料与纤维布实现热粘合；
[0056] c) 、 将上述步骤 b) 完成热粘合的丙烯酸粉末涂料与纤维布进行分段裁切； [0057] d) 、 得到光伏组件用封装材料。
[0058] 需要说明的是， 在本发明实施例中， 热粘合过程需采用合适范围的加压、 加热 控制， 因为只有在合适的压力和温度情况下， 才能使丙烯酸粉末涂料与纤维布 之间实现较好地热熔粘合过程， 最终确保满足制备光伏组件封装过程中的层压 工艺的要求， 从而得到真正能适用于光伏电池组件封装的封装材料。 因此， 优 选地， 在本发明实施例中， 热粘合过程的加压范围为 0.05-0.25Mpa， 热粘合过程 的加热温度范围为 90-130°C， 加热吋间范围为 5-20秒， 具体地， 在本实施方式中 ， 热粘合过程的加压压力为 0.05Mpa， 热粘合过程的加热温度为 130°C， 加热吋 间范围为 5秒。
[0059] 优选地， 在本发明实施例中， 光伏组件用封装材料的制备方法采用如图 2所示 的设备， 在实际实施吋， 将纤维布放入纤维进料机 51中， 将丙烯酸粉末涂料通 过涂覆装置 52均匀地涂覆在纤维进料机 51所输出的纤维布上， 然后通过热熔复 合机 53加压加热使丙烯酸粉末涂料与纤维布实现热粘合， 将完成热粘合的丙烯 酸粉末涂料与纤维布进行分段裁切， 即得到光伏组件用封装材料。 在本发明其 他具体实施例中， 涂覆装置也可以采用撒粉头， 此吋涂覆装置是以撒粉的形式 实现涂覆过程， 实现将丙烯酸粉末涂料均匀地涂覆在纤维布上。 当然地， 本领 域的技术人员也可以根据实际需要选用现有任意一种公知的设备来完成本发明 所公幵的光伏组件用封装材料的制备。
[0060] 请进一步参见如图 3所示的应用本实施例的光伏组件用封装材料的光伏组件封 装结构示意图， 该光伏封装结构从上往下依次包括： 由本实施例制成的封装材 料层 30a、 上 EVA层 21a、 光伏电池板层 10a、 下 EVA层 22a、 背板层 40a， 其中， 封装材料层 30a取代了钢化玻璃层。 本领域的技术人员可以根据实际需要以及结 合安装场所的条件将本发明实施例得到的封装材料用于替代其他封装层结构或 与其他材料相结合应用于替代其他层结构， 本发明不做具体限制。 进一步参见 图 4所示另一种应用本实施例的光伏组件用封装材料的光伏组件封装结构示意图
， 该光伏封装结构从上往下依次包括： 由本实施例制成的上封装材料层 31b、 上 EVA层 21b、 光伏电池板层 10b、 下 EVA层 22b、 下封装材料层 32b， 其中， 上封 装材料层 31b和下封装材料层 32b分别取代了钢化玻璃层和背板层。
[0061] 实施例 2:
[0062] 在本实施例 2中， 封装材料包括下述重量份数的原料：
[0063] 纤维布 35份， 是由纤维材料采用斜纹织造方式制成；
[0064] 纤维布的单位面积重量为 30 g/m 2；
[0065] 纤维材料为碳纤维；
[0066] 纤维材料的单丝直径为 5μηι;
[0067] 丙烯酸粉末涂料 65份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； [0068] 丙烯酸树脂为羟基丙烯酸树脂；
[0069] 固化剂为邻苯二甲酸酐， 邻苯二甲酸酐重量份占丙烯酸粉末涂料重量份的 15%
[0070] 助剂为聚酰胺蜡等， 聚酰胺蜡重量份占丙烯酸粉末涂料重量份的 10%;
[0071] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 150 g/m
[0072] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 O. lMpa, 热粘合过程的加热温度为 120°C， 加热吋间为 8秒；
[0073] 本实施例 2的其余技术方案与上述实施例 1相同。
[0074] 实施例 3:
[0075] 在本实施例 3中， 封装材料包括下述重量份数的原料：
[0076] 纤维布 40份， 是由纤维材料采用缎纹织造方式制成；
[0077] 纤维布的单位面积重量为 50 g/m 2; [0078] 纤维材料为芳纶纤维；
[0079] 纤维材料的单丝直径为 8μηι;
[0080] 丙烯酸粉末涂料 60份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0081] 丙烯酸树脂为双官能团丙烯酸树脂；
[0082] 固化剂为偏苯三酸酐， 偏苯三酸酐重量份占丙烯酸粉末涂料重量份的 18%，
[0083] 助剂为聚烯烃蜡等， 聚烯烃蜡等重量份占丙烯酸粉末涂料重量份的 15%;
[0084] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 200 g/m 2；
[0085] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.15Mpa， 热粘合过程的加热温度为 100°C， 加热吋间为 10秒；
[0086] 本实施例 3的其余技术方案与上述实施例 1相同。
[0087] 实施例 4:
[0088] 在本实施例 4中， 封装材料包括下述重量份数的原料：
[0089] 纤维布 45份， 是由纤维材料采用罗纹织造方式制成；
[0090] 纤维布的单位面积重量为 80 g/m 2；
[0091] 纤维材料的单丝直径为 ΙΟμηι;
[0092] 丙烯酸粉末涂料 55份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0093] 固化剂为癸二酸， 癸二酸重量份占丙烯酸粉末涂料重量份的 22%，
[0094] 助剂为酰胺改性酚脲表面活性剂等， 酰胺改性酚脲表面活性剂等重量份占丙烯 酸粉末涂料重量份的 10% ;
[0095] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 250 g/m
[0096] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.18Mpa， 热粘合过程的加热温度为 115°C， 加热吋间为 8秒；
[0097] 本实施例 4的其余技术方案与上述实施例 1相同。
[0098] 实施例 5:
[0099] 在本实施例 5中， 封装材料包括下述重量份数的原料：
[0100] 纤维布 50份， 是由纤维材料采用席纹织造方式制成；
[0101] 纤维布的单位面积重量为 120g/m 2;
[0102] 纤维材料的单丝直径为 13μηι; [0103] 丙烯酸粉末涂料 50份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0104] 固化剂为十一烷二酸， 十一烷二酸重量份占丙烯酸粉末涂料重量份的 25%，
[0105] 助剂为苯偶茵等， 苯偶茵等重量份占丙烯酸粉末涂料重量份的 35%;
[0106] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 300 g/m
[0107] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.2Mpa， 热粘合过程的加热温度为 118°C， 加热吋间为 6秒；
[0108] 本实施例 5的其余技术方案与上述实施例 1相同。
[0109] 实施例 6:
[0110] 在本实施例 6中， 封装材料包括下述重量份数的原料：
[0111] 纤维布 38份， 是由纤维材料采用平纹和斜纹织造方式组合制成；
[0112] 纤维布的单位面积重量为 150g/m 2;
[0113] 纤维材料的单丝直径为 16μηι;
[0114] 丙烯酸粉末涂料 62份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； [0115] 固化剂为十二烷二酸， 十二烷二酸重量份占丙烯酸粉末涂料重量份的 16%，
[0116] 助剂为聚二甲基硅氧烷等， 聚二甲基硅氧烷等重量份占丙烯酸粉末涂料重量份 的 50% ;
[0117] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 350 g/m
[0118] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.25Mpa， 热粘合过程的加热温度为 95°C， 加热吋间为 15秒；
[0119] 本实施例 6的其余技术方案与上述实施例 1相同。
[0120] 实施例 7:
[0121] 在本实施例 7中， 封装材料包括下述重量份数的原料：
[0122] 纤维布 33份， 是由纤维材料采用平纹和缎纹织造方式组合制成；
[0123] 纤维布的单位面积重量为 180g/m 2;
[0124] 纤维材料的单丝直径为 18μηι;
[0125] 丙烯酸粉末涂料 67份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； [0126] 丙烯酸树脂为羟基丙烯酸树脂；
[0127] 固化剂为十三烷二酸， 十三烷二酸重量份占丙烯酸粉末涂料重量份的 18%; [0128] 助剂为二氧化硅等， 助剂重量份占丙烯酸粉末涂料重量份的 45%;
[0129] 丙烯酸粉末涂料涂覆在纤维布上的单位面积重量为 400 g/m
[0130] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.22Mpa， 热粘合过程的加热温度为 105°C， 加热吋间为 20秒；
[0131] 本实施例 7的其余技术方案与上述实施例 1相同。
[0132] 实施例 8:
[0133] 在本实施例 8中， 封装材料包括下述重量份数的原料：
[0134] 纤维布 42份， 是由纤维材料采用平纹和缎纹织造方式组合制成；
[0135] 纤维布的单位面积重量为 200g/m 2;
[0136] 纤维材料的单丝直径为 18μηι;
[0137] 丙烯酸粉末涂料 58份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0138] 丙烯酸树脂为双官能团丙烯酸树脂；
[0139] 固化剂为十四烷二酸， 十四烷二酸重量份占丙烯酸粉末涂料重量份的 20%;
[0140] 助剂为受阻酚等， 助剂重量份占丙烯酸粉末涂料重量份的 10%;
[0141] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.16Mpa， 热粘合过程的加热温度为 98°C， 加热吋间为 18秒；
[0142] 本实施例 8的其余技术方案与上述实施例 1相同。
[0143] 实施例 9:
[0144] 在本实施例 9中， 封装材料包括下述重量份数的原料：
[0145] 纤维布 48份， 是由纤维材料采用缎纹和罗纹织造方式组合制成；
[0146] 纤维布的单位面积重量为 250g/m 2;
[0147] 纤维材料为碳纤维；
[0148] 纤维材料的单丝直径为 20μηι;
[0149] 丙烯酸粉末涂料 52份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0150] 固化剂为十五烷二酸， 十五烷二酸重量份占丙烯酸粉末涂料重量份的 22%;
[0151] 助剂为丙烯酸脂类、 酚醛树脂和脲醛树脂的混合， 助剂重量份占丙烯酸粉末涂 料重量份的 38% ;
[0152] 在本具体实施方式的光伏组件用封装材料的制备方法中， 热粘合过程的加压压 力为 0.18Mpa， 热粘合过程的加热温度为 100°C， 加热吋间为 16秒；
[0153] 本实施例 9的其余技术方案与上述实施例 1相同。
[0154] 实施例 10:
[0155] 在本实施例 10中， 封装材料包括下述重量份数的原料：
[0156] 纤维布 46份， 是由纤维材料采用平纹、 斜纹和席纹织造方式组合制成；
[0157] 纤维布的单位面积重量为 300g/m 2;
[0158] 纤维材料为玻璃纤维和芳纶纤维的组合；
[0159] 纤维材料的单丝直径为 23μηι;
[0160] 丙烯酸粉末涂料 54份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0161] 丙烯酸树脂为羟基丙烯酸树脂和 GMA丙烯酸树脂的混合；
[0162] 固化剂为十五烷二酸和十六烷二酸的混合， 固化剂重量份占丙烯酸粉末涂料 量份的 25%;
[0163] 助剂为三聚氰胺甲醛树脂和二硬脂酰乙二胺的混合， 助剂重量份占丙烯酸粉 涂料重量份的 15%;
[0164] 本实施例 10的其余技术方案与上述实施例 1相同。
[0165] 实施例 11:
[0166] 在本实施例 11中， 封装材料包括下述重量份数的原料：
[0167] 纤维布 36份， 是由纤维材料采用平纹、 斜纹和席纹织造方式组合制成；
[0168] 纤维布的单位面积重量为 350g/m 2;
[0169] 纤维材料为玻璃纤维和碳纤维的组合；
[0170] 纤维材料的单丝直径为 14μηι;
[0171] 丙烯酸粉末涂料 64份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
[0172] 丙烯酸树脂是羟基丙烯酸树脂；
[0173] 固化剂为羧基聚酯， 羧基聚酯重量份占丙烯酸粉末涂料重量份的 18%;
[0174] 助剂为环氧乙烷与环氧丙烷的混合物， 助剂重量份占丙烯酸粉末涂料重量份 10%；
[0175] 本实施例 11的其余技术方案与上述实施例 1相同。
[0176] 实施例 12: [0177] 在本实施例 12中， 封装材料包括下述重量份数的原料：
[0178] 纤维布 35份， 是由纤维材料采用平纹、 斜纹和席纹织造方式组合制成；
[0179] 纤维布的单位面积重量为 400g/m 2;
[0180] 纤维材料的单丝直径为 23μηι;
[0181] 丙烯酸粉末涂料 65份， 丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂； [0182] 助剂为受阻酚、 硫代二丙酸双酯、 二苯酮、 水杨酸酯衍生物、 受阻胺、 氧化铝 和气相二氧化硅的混合物， 助剂重量份占丙烯酸粉末涂料重量份的 10%;
[0183] 本实施例 12的其余技术方案与上述实施例 1相同。
[0184] 实施例 13:
[0185] 本实施例 13的其余技术方案与上述实施例 1相同， 区别仅在于， 在本实施例 13 中， 纤维布的单位面积重量为 130 g/m 2， 丙烯酸粉末涂料涂覆在纤维布上的单位 面积重量为 180 g/m 2。
[0186] 实施例 14:
[0187] 本实施例 14的其余技术方案与上述实施例 2相同， 区别仅在于， 在本实施例 14 中， 纤维布的单位面积重量为 80 g/m 2， 丙烯酸粉末涂料涂覆在纤维布上的单位 面积重量为 280 g/m 2。
[0188] 本实施例 14的其余技术方案与上述实施例 2相同。
[0189] 比较例 1:
[0190] 本比较例 1采用背景技术所述的现有典型的光伏组件的封装材料。
[0191] 比较例 2:
[0192] 本比较例 2采用背景技术所述的 EVA胶膜封装材料。
[0193] 比较例 3:
[0194] 本比较例 3采用背景技术所述的 POE胶膜封装材料。
[0195] 比较例 4:
[0196] 本比较例 4的其余技术方案与上述实施例 1相同， 区别仅在于， 在本比较例 4中 ， 封装材料包括纤维布 30份和常规商业化的环氧粉末涂料。
工业实用性
[0197] 本发明针对上述实施例以及比较例进行了实施效果测试， 其测试结果如下表 1 1各类封装材料应用与光伏组件封装的实施效果对比
Figure imgf000017_0001
Figure imgf000018_0001
Figure imgf000019_0001
[0199] 本发明全文所述的封装结构重量是指光伏组件用封装材料单位平方米的重量； 所述的抗冲击性能测试是指将标准直径为 25mm、 质量为 7.53g的冰球以 23.0m/s 的速度发射出去， 撞击完成封装的光伏组件 11个位置， 通过外观、 最大功率衰 减和绝缘电阻等三个方面要求来判断光伏组件的抗冲击性能； 所述的防火性是 通过 UL1703标准检测得到的结果； 所述的铅笔硬度是 ASTM D3363-2005(R2011) 标准检测得到的结果； 所述的拉伸强度是 GB/T 1040.3-2006标准检测得到的结果 ； 所述的断裂伸长率是通过 GB/T 1040.3-2006标准检测得到的结果。
[0200] 从表 1中数据可明显看出， 本发明实施例在满足抗紫外、 抗老化、 抗冲击、 防 火等光伏行业技术标准要求的前提下， 有效实现了解决了光伏组件封装材料的 轻量化， 且制造成本低， 替代传统封装结构式的的钢化玻璃， 给光伏组件提供 一定的刚性以保护光伏电池， 如此， 不但能够大大减轻光伏组件的重量， 由此 适应更多场合的光伏发电产品的安装， 而且还能降低产品安装吋的劳动强度以 及提高安装的便利度， 从总体上降低光伏组件的安装成本。
[0201] 需要进一步强调的是， 本发明实施例通过涂覆装置把丙烯酸粉末涂料均匀地涂 覆在纤维布上， 再通过加压加热使丙烯酸粉末涂料与纤维布预粘合， 最后分段 裁切制得合适尺寸的光伏组件的封装材料， 如此能实现光伏组件封装尺寸的任 意改变以适应不同建筑的安装要求， 进一步便于光伏组件的安装应用。
[0202] 虽然本实施例得到的材料应用于光伏组件的封装能够取得优异的实施效果， 但 光伏领域并不是该材料的唯一应用领域， 本领域技术人员根据实际应用领域需 要， 同吋基于本发明所公幵的光伏组件用封装材料所具备的特性和所实现的技 术效果， 完全可以将本发明应用在其他合适的领域中， 这种应用不需要付出任 何创造性劳动， 仍然属于本发明的精神， 因此这种应用同样被认为本发明的权 利保护范围。
[0203] 对于本领域技术人员而言， 显然本发明不限于上述示范性实施例的细节， 而且 在不背离本发明的精神或基本特征的情况下， 能够以其他的具体形式实现本发 明。 因此， 无论从哪一点来看， 均应将实施例看作是示范性的， 而且是非限制 性的， 本发明的范围由所附权利要求而不是上述说明限定， 因此旨在将落在权 利要求的等同要件的含义和范围内的所有变化囊括在本发明内。 不应将权利要 求中的任何附图标记视为限制所涉及的权利要求。
[0204] 此外， 应当理解， 虽然本说明书按照实施方式加以描述， 但并非每个实施方式 仅包含一个独立的技术方案， 说明书的这种叙述方式仅仅是为清楚起见， 本领 域技术人员应当将说明书作为一个整体， 各实施例中的技术方案也可以经适当 组合， 形成本领域技术人员可以理解的其他实施方式。

Claims

权利要求书
[权利要求 1] 一种光伏组件用封装材料， 其特征在于， 所述的封装材料包括下述重 量份数的原料：
纤维布 30-50份， 所述的纤维布由纤维材料织造制成；
丙烯酸粉末涂料 50-70份， 所述的丙烯酸粉末涂料包括丙烯酸树脂、 固化剂和助剂；
其中， 所述的丙烯酸粉末涂料均匀地涂覆在所述的纤维布上。
[权利要求 2] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述的纤维 布的单位面积重量范围为 30-400g/m 2， 所述的丙烯酸粉末涂料涂覆在 所述的纤维布上的单位面积重量范围为 100-400 g/m 2。
[权利要求 3] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述的纤维 材料是玻璃纤维、 碳纤维和芳纶纤维中的任意一种或几种的组合。
[权利要求 4] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述的纤维 材料的单丝直径范围为 3-23μηι。
[权利要求 5] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述的纤维 布是由纤维材料采用平纹、 斜纹、 缎纹、 罗纹或席纹中的任意一种织 造方式或几种织造方式的组合制成。
[权利要求 6] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述的丙烯 酸树脂的折射率范围 1.40-1.50， 环氧当量范围为 300-800g/eq， 羟值范 围为 15-70mgKOH/g， 酸值范围为 15-85mgKOH/g， 玻璃化温度范围 为 40-70 C， 粘度范围为 75-600Pa s， 软化点温度范围为 100-120°C。
[权利要求 7] 如权利要求 1所述的光伏组件用封装材料， 其特征在于， 所述固化剂 重量份占所述的丙烯酸粉末涂料重量份的 5-25%， 所述的固化剂是封 闭型异氰酸酯、 邻苯二甲酸酐、 偏苯三酸酐、 癸二酸、 十一烷二酸、 十二烷二酸、 十三烷二酸、 十四烷二酸、 十五烷二酸、 十六烷二酸、 羧基聚酯、 氢化环氧、 GMA丙烯酸中的任意一种或几种任意配比的 混合。
[权利要求 8] 如权利要求 7所述的光伏组件用封装材料， 其特征在于， 所述的丙烯 酸粉末涂料还包括助剂， 所述的助剂重量份占所述的丙烯酸粉末涂料 重量份的 0-50%， 所述的助剂是聚酰胺蜡、 聚烯烃蜡、 酰胺改性酚脲 表面活性剂、 苯偶茵、 聚二甲基硅氧烷、 乙烯基三氯硅烷、 正丁基三 乙氧基硅烷、 正硅酸甲酯、 单烷氧基焦磷酸酯、 丙烯酸脂类、 酚醛树 脂、 脲醛树脂、 三聚氰胺甲醛树脂、 二硬脂酰乙二胺、 环氧乙烷与环 氧丙烷的混合物、 受阻酚、 硫代二丙酸双酯、 二苯酮、 水杨酸酯衍生 物、 受阻胺、 氧化铝、 气相二氧化硅、 二氧化硅中的任意一种或几种 任意配比的混合。
[权利要求 9] 一种如权利要求 1-8任意一项所述的光伏组件用封装材料的制备方法
， 其特征在于， 其操作步骤包括如下：
将所述的丙烯酸粉末涂料通过涂覆装置均匀地涂覆在所述的纤 上；
b) 、 通过加压加热使所述的丙烯酸粉末涂料与所述的纤维布实现热 粘合；
c) 、 将上述步骤 b) 完成热粘合的丙烯酸粉末涂料与纤维布进行分段 裁切；
d) 、 得到光伏组件用封装材料。
[权利要求 10] 如权利要求 9所述的光伏组件用封装材料的制备方法， 其特征在于， 所述热粘合过程的加压范围为 0.05-0.25Mpa， 所述热粘合过程的加热 温度范围为 90-130°C， 加热吋间范围为 5-20秒。
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