CN105720125A - Functional multilayer composite photovoltaic backboard - Google Patents

Functional multilayer composite photovoltaic backboard Download PDF

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Publication number
CN105720125A
CN105720125A CN201510779615.3A CN201510779615A CN105720125A CN 105720125 A CN105720125 A CN 105720125A CN 201510779615 A CN201510779615 A CN 201510779615A CN 105720125 A CN105720125 A CN 105720125A
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layer
weather
thickness
backboard
internal layer
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CN105720125B (en
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杨继明
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Zhong Tian Photovoltaic Materials Co Ltd
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Zhong Tian Photovoltaic Materials Co Ltd
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    • 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
    • B32B27/30—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
    • B32B27/32—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
    • B32B27/36—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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2323/00—Polyalkenes
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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
    • B32B2457/12—Photovoltaic modules
    • 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

Abstract

The invention brings forward a functional multilayer composite photovoltaic backboard. The functional multilayer composite photovoltaic backboard is characterized in that the backboard is formed by successively stacking a weather-resistant external layer A, a weather-resistant external layer B, an intermediate base layer, an internal layer A and an internal layer B, wherein the weather-resistant external layer A, the weather-resistant external layer B, the intermediate base layer and the internal layer A are bonded through a high-molecular adhesive, the internal layer B is a coating at the lower surface of the internal layer A, the weather-resistant external layer A has a thickness of 20-40[mu]m, the weather-resistant external layer B has a thickness of 50-100[mu]m, the intermediate base layer has a thickness of 100 to 300[mu]m, the internal layer A has a thickness of 50-100 [mu]m, and the internal layer B has a thickness of 20-40[mu]m. According to the invention, two weather-resistant polyolefin films are additionally arranged through structural design, such performance of the backboard as steam resistance, thermal conductivity, partial discharge, reflectivity and the like is obviously improved, after a test of 96 hours, the maximum of power attenuation of the assembly before and after the test does not exceed 1%, the risk of backboard failure is reduced, assembly generating gain can also be realized, and at the same time, through introduction of the internal layer coating, the adhesion stress between the backboard and a packaging EVA glue film can also be enhanced.

Description

A kind of functional multi layer composite photo voltaic backboard
Technical field:
The present invention relates to the encapsulation field of solar module, particularly relate to a kind of functional multi layer composite photo voltaic backboard.
Background technology:
Solar cell backboard is extremely important encapsulating material in photovoltaic module; cell piece is played support and protective effect; its direct and external environment bump contact simultaneously; carry the important mission ensureing 25 years stable electric generations of photovoltaic module, it is necessary to possess the performances such as ageing-resistant (damp and hot, xeothermic, ultraviolet), the resistance to electric insulation of brilliance, vapor water barriers, dimensionally stable.
Current backboard mainly on two sides compound weatherability macromolecule membrane (fluorine film, polyethylene film, polyamide membrane etc.) or is coated with fluoro coatings for base material with PET, it it is no matter compound backboard or application type backboard generally only has three layers macromolecule membrane, thickness is between 200-400 μm, it is usually present that reflecting rate is low, the problem of poor thermal conductivity, affect the generating efficiency of cell piece, even some backboard is not met by the environmental requirement that some are harsh, owing to steam, ultraviolet destruction occur that the problems such as xanthochromia, delamination, crackle directly result in component failures.
Summary of the invention:
In order to solve the problems referred to above, the invention provides a kind of by the structural design increase weather-proof polyolefin film of two-layer, it will be apparent that improve the technical scheme of the performances such as the water vapor barrier property of backboard, heat conductivity, putting property of office, reflectance:
A kind of functional multi layer composite photo voltaic backboard, from top to bottom it is sequentially overlapped is constituted by weather-proof outer layer A, weather-proof outer layer B, intermediate base layer, internal layer A and inner layer B, weather-proof outer layer A, weather-proof outer layer B, bonding each through macromolecular adhesive between intermediate base layer and internal layer A, inner layer B is internal layer A lower surface coating, the thickness of weather-proof outer layer A is 20-40 μm, the thickness of weather-proof outer layer B is 50-100 μm, the thickness of intermediate base layer is 100-300 μm, the thickness of internal layer A is 50-100 μm, and the thickness of inner layer B is 20-40 μm.
As preferably, weather-proof outer layer A is the one of pvf film and polyvinylidene fluoride film.
As preferably, weather-proof outer layer B is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.
As preferably, intermediate base layer is PET film.
As preferably, internal layer A is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.
As preferably, macromolecular adhesive is the one of adhesive for polyurethane, epoxy resin adhesive, acrylic resin adhesive.Described internal layer 5 is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin.
As preferably, inner layer B is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin
The beneficial effects of the present invention is:
The present invention increases the weather-proof polyolefin film of two-layer by structural design, it will be apparent that improve the performances such as the water vapor barrier property of backboard, heat conductivity, putting property of office, reflectance, backboard water vapor transmittance is less than 1.0g/m2D (infrared method), heat conductivity is between 3.0-5.0W/M K, relative discharge tracking index test result is II level more than 400V(IEC grade), reflectance (400-1100nm) is more than 85%, use the photovoltaic module that backboard of the present invention encapsulates at 85 DEG C, 85% humidity, additional 1000V negative voltage, after test 96h, before and after assembly, power attenuation is maximum less than 1%.Can not only reducing the risk that backboard lost efficacy, use can also realize assembly generating gain, and the introducing of internal layer coating simultaneously can also strengthen the caking property of backboard and encapsulation EVA material.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention:
For making the goal of the invention of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
As shown in Figure 1, the present invention devises a kind of functional multi layer composite photo voltaic backboard, by weather-proof outer layer A1, weather-proof outer layer B2, intermediate base layer 3, internal layer A4 and inner layer B 5 are from top to bottom sequentially overlapped composition, weather-proof outer layer A1, weather-proof outer layer B2, between intermediate base layer 3 and internal layer A4 bonding each through macromolecular adhesive 6, inner layer B 5 is internal layer A4 lower surface coating, the thickness of weather-proof outer layer A1 is 20-40 μm, the thickness of weather-proof outer layer B2 is 50-100 μm, the thickness of intermediate base layer 3 is 100-300 μm, the thickness of internal layer A4 is 50-100 μm, the thickness of inner layer B 5 is 20-40 μm.
Wherein weather-proof outer layer A1 is the one of pvf film and polyvinylidene fluoride film.Weather-proof outer layer B2 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Meanwhile intermediate base layer 3 is PET film.Internal layer A4 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Macromolecular adhesive is the one of adhesive for polyurethane, epoxy resin adhesive, acrylic resin adhesive.Inner layer B 5 is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin.
Embodiment 1
A kind of functional multi layer composite photo voltaic backboard of the present invention, the thickness of weather-proof outer layer A1 is 22.5 μm, and the thickness of weather-proof outer layer B2 is 50 μm, and the thickness of intermediate base layer 3 is 150 μm, and the thickness of internal layer A4 is 50 μm, and the thickness of inner layer B 5 is 20 μm.This invention product water vapor transmittance is 0.99g/m2D (infrared method), heat conductivity is 3.13W/M K, relative discharge tracking index is II level more than 400V(IEC grade), reflectance (400-1100nm) is 85.5%, use the photovoltaic module of invention backboard encapsulation at 85 DEG C, 85% humidity, additional 1000V negative voltage, after test 96h, before and after assembly, power attenuation is 0.95%.Weather-proof outer layer A1 is the one of pvf film and polyvinylidene fluoride film.Weather-proof outer layer B2 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Intermediate base layer 3 is PET film.Internal layer A4 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Macromolecular adhesive 6 is the one of adhesive for polyurethane, epoxy resin adhesive, acrylic resin adhesive.Inner layer B 5 is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin.
Embodiment 2
In a kind of functional multi layer composite photo voltaic backboard such scheme of the present invention, the thickness of weather-proof outer layer A1 is 22.5 μm, and the thickness of weather-proof outer layer B2 is 100 μm, and the thickness of intermediate base layer 3 is 150 μm, the thickness of internal layer A4 is 100 μm, and the thickness of inner layer B 5 is 20 μm.This, this invention product water vapor transmittance is 0.83g/m2D (infrared method), heat conductivity is 3.09W/M K, relative discharge tracking index is II level more than 400V(IEC grade), reflectance (400-1100nm) is 85.9%, use the photovoltaic module that backboard of the present invention encapsulates at 85 DEG C, 85% humidity, additional 1000V negative voltage, after test 96h, before and after assembly, power attenuation is 0.91%.Weather-proof outer layer A1 is the one of pvf film and polyvinylidene fluoride film.Weather-proof outer layer B2 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Intermediate base layer 3 is PET film.Internal layer A4 is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.Macromolecular adhesive 6 is the one of adhesive for polyurethane, epoxy resin adhesive, acrylic resin adhesive.Inner layer B 5 is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin.
Above-described embodiment is presently preferred embodiments of the present invention; it it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, be regarded as falling within the scope of the rights protection of patent of the present invention.

Claims (7)

1. a functional multi layer composite photo voltaic backboard, it is characterized in that: by weather-proof outer layer A, weather-proof outer layer B, intermediate base layer, internal layer A and inner layer B are from top to bottom sequentially overlapped composition, described weather-proof outer layer A, weather-proof outer layer B, between intermediate base layer and internal layer A bonding each through macromolecular adhesive, described inner layer B is internal layer A lower surface coating, the thickness of described weather-proof outer layer A is 20-40 μm, the thickness of described weather-proof outer layer B is 50-100 μm, the thickness of described intermediate base layer is 100-300 μm, the thickness of described internal layer A is 50-100 μm, the thickness of described inner layer B is 20-40 μm.
2. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterised in that: described weather-proof outer layer A is the one of pvf film and polyvinylidene fluoride film.
3. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterized in that: described weather-proof outer layer B is weather resistant polyolefin film, by polyethylene, polypropylene, POE, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3, 5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3, 5-di-t-butyl-4-hydroxy-benzoic acid cetyl ester, dibutyl tin laurate, Octabenzone, oleamide is pressed constant weight component and is constituted.
4. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterised in that: described intermediate base layer is PET film.
5. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterized in that: described internal layer A is weather resistant polyolefin film, by polyethylene, polypropylene, ethylene-octene copolymer, titanium dioxide, Pulvis Talci, γ-(methacryloxypropyl) propyl trimethoxy silicane, tetraethyl orthosilicate, cumyl peroxide, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, 3,5-di-t-butyl-4-hydroxy-benzoic acid cetyl esters, dibutyl tin laurate, Octabenzone, oleamide are pressed constant weight component and are constituted.
6. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterised in that: described macromolecular adhesive is the one of adhesive for polyurethane, epoxy resin adhesive, acrylic resin adhesive.
7. a kind of functional multi layer composite photo voltaic backboard according to claim 1, it is characterised in that: described inner layer B is made up of two or more mixing in polyflon, polyvinylidene fluoride resin, daiflon, epoxy resin, acrylic resin, polyurethane resin.
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CN107240617A (en) * 2017-05-12 2017-10-10 宁波长阳科技股份有限公司 A kind of compound high water vapor rejection solar cell backboard film and preparation method thereof
CN107591458A (en) * 2017-08-31 2018-01-16 合肥风生水起信息科技有限公司 A kind of novel fluorine solar panel backboard and preparation method thereof
CN108075007A (en) * 2016-11-14 2018-05-25 阿特斯阳光电力集团有限公司 A kind of photovoltaic module backboard and include its solar cell
CN108767067A (en) * 2018-06-07 2018-11-06 常熟幸福新能源材料有限公司 A kind of production technology of KPF structured transparents backboard

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US20140137938A1 (en) * 2011-07-14 2014-05-22 Fujifilm Corporation Protective sheet for solar cells, method for producing same, back sheet for solar cells, and solar cell module

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CN201199524Y (en) * 2008-08-29 2009-02-25 苏州中来太阳能材料技术有限公司 Backing film for high cohesiveness solar battery
CN101916789A (en) * 2010-07-07 2010-12-15 李民 Backboard of solar battery with seven-layer structure
US20140137938A1 (en) * 2011-07-14 2014-05-22 Fujifilm Corporation Protective sheet for solar cells, method for producing same, back sheet for solar cells, and solar cell module

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CN108075007A (en) * 2016-11-14 2018-05-25 阿特斯阳光电力集团有限公司 A kind of photovoltaic module backboard and include its solar cell
CN107240617A (en) * 2017-05-12 2017-10-10 宁波长阳科技股份有限公司 A kind of compound high water vapor rejection solar cell backboard film and preparation method thereof
CN107591458A (en) * 2017-08-31 2018-01-16 合肥风生水起信息科技有限公司 A kind of novel fluorine solar panel backboard and preparation method thereof
CN107591458B (en) * 2017-08-31 2020-02-14 陈德言 Novel fluorine-containing solar cell panel back plate and preparation method thereof
CN108767067A (en) * 2018-06-07 2018-11-06 常熟幸福新能源材料有限公司 A kind of production technology of KPF structured transparents backboard

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