CN103208549A - Back membrane material of solar cell module - Google Patents
Back membrane material of solar cell module Download PDFInfo
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- CN103208549A CN103208549A CN2013100847723A CN201310084772A CN103208549A CN 103208549 A CN103208549 A CN 103208549A CN 2013100847723 A CN2013100847723 A CN 2013100847723A CN 201310084772 A CN201310084772 A CN 201310084772A CN 103208549 A CN103208549 A CN 103208549A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a back membrane material of a solar cell module. The back membrane material is composed of an outer surface weather-proof layer, an intermediate layer and an inner surface encapsulation layer, wherein the outer surface weather-proof layer is a fluorine-containing film or a fluorine-containing coating, the intermediate layer is obtained through co-extrusion of a glass fiber modified polyester layer and a polyamide layer, and the inner surface encapsulation layer is an encapsulation rubber layer which is prepared with vinyl acetate-ethylene copolymers and the like serving as matrix resin. The back membrane material has the advantages that the intermediate layer of the high-performance back membrane is improved, the back membrane is used for encapsulating protection of a back side of the solar cell module, and compared with ordinary integrated back membrane films (ethylene vinyl acetate (EVA) + polyethylene terephthalate (PET) + fluorine films), the back membrane material is high in mechanical strength, good in moisture and gas resistance and good in weather-proof performance.
Description
(1) technical field
The present invention relates to a kind of high performance solar cells assembly notacoria material.
(2) background technology
Solar module is as the equipment that luminous energy is converted into electric energy, more and more come into one's own, the crystal silicon battery assembly that is most widely used at present, its structure is that transparent prebasal plate glass, EVA glued membrane, battery chip arrays, EVA glued membrane, metacoxal plate backboard are carried out lamination by heavy order top to bottm, sends into laminating machine high temperature lamination then.
Because solar module is installed in outdoor support or top of building usually; and can under various natural conditions, keep long-term useful life; so; as the backboard of metacoxal plate protection and backing material require that mechanical property is good, good weatherability, barrier be strong, can be under long-range circumstances corrode certain mechanical strength and the water vapor rejection performance of maintenance.
Traditional backboard is generally 3-tier architecture, outer fluoropolymer membrane (PVF, PVDF) has good anti-environmental attack ability, the intermediate layer has good mechanical intensity for the PET film, and internal layer fluoropolymer membrane (PVF, PVDF) needs to have good adhesive property through surface treatment and EVA.This backboard is used in combination with the EVA glued membrane, constitutes back side packaging protection layer.Though double-deck fluoropolymer membrane fabric backplanes weatherability is fine, cost height, its water vapor rejection ability and mechanical strength also remain to be improved, and long-term outdoor environment corrodes down, and steam enters and causes the damaged cracking of backboard, has a strong impact on the generated output of assembly.In recent years, in the innovation of photovoltaic module encapsulating material, cell back face EVA glued membrane and back veneer material are carried out integrated improvement, remove the internal layer fluoropolymer membrane, the EVA glued membrane directly is bonded on the PET film, simultaneously outer fluorine material is strengthened, form the integrated material of (EVA+PET+ fluorine film).This material can be saved many costs, but its weather resistance has to a certain degree decline.
(3) summary of the invention
The purpose of this invention is to provide the high-performance notacoria material that a kind of solar module is used; this notacoria material is strengthened on the basis of traditional (EVA+PET+ fluorine film) integrated material; make that its mechanical strength is better, good insulation preformance, moisture barrier property be more superior, can play the double action of protection and packaged battery sheet in solar module.
The technical solution used in the present invention is:
A kind of solar module notacoria material is made of outer surface weathering layer, intermediate layer and inner surface encapsulated layer;
Described outer surface weathering layer for contain fluorine film or fluorine-containing coat, thickness is 5～50 microns;
Described intermediate layer is obtained by glass fibre modified poly ester layer and aramid layer co-extrusion:
Described glass fibre modified poly ester layer by polyester, glass fibre, polyethylene glycol so that 100:1～15:0.5～3 quality are extruded than blend and obtained, thickness is 50～200 microns; Described polyester is one of following or two or more mixture wherein: PETG (PET), polybutylene terephthalate (PBT), poly terephthalic acid di-allyl ester (PDAP), poly fat (PHB); Wherein glass fibre is silicon dioxide (SiO
2), aluminium oxide (Al
2O
3), calcium oxide (CaO), boron oxide (B
2O
3), magnesium oxide (MgO), oxidation receives (Na
2O) etc. one or more in, alkali-free glass fibre tensile strength height, good insulation preformance, anticorrosion, moistureproof, antidetonation are mainly as the mechanical strength of reinforcing material raising polyester, make it to become good structure material, also can improve moisture barrier property and the insulation property of polyester simultaneously; Polyethylene glycol (PEG) extrudes the even blend of glass fibre and polyester as compatilizer.Polyester film after glass fiber-reinforced has fabulous mechanical strength and shock resistance, has good moisture barrier property and insulation property simultaneously.
Described aramid layer thickness is 10～100 microns; Described polyamide is one of following or two or more mixture wherein: nylon 12 (PA12), poly-lauroyl lauryl amine (PA1212), poly-11 lactams (PA11), poly-certain herbaceous plants with big flowers two acyl certain herbaceous plants with big flowers diamines (PA1010), polyhexamethylene sebacamide (PA610), poly-12 acyl hexamethylene diamines (PA612);
Described inner surface encapsulated layer is for being that packaging adhesive film, the thickness that matrix resin is made is 100～800 microns with vinylacetate-ethylene copolymer, polyvinyl butyral resin, poly-succinic diethylester.
Key of the present invention is the improvement in intermediate layer, and outer surface weathering layer and inner surface encapsulated layer are existing known common material, and those of ordinary skills can select according to general knowledge.
Weathering layer adopts and to contain fluorine film or fluoro-containing coating, can guarantee notacoria sufficiently long useful life, and it can be compounded on the polyester film of intermediate layer for fluorine-containing film; Also can be coated with on the polyester film of intermediate layer by fluoro-containing coating.Contain fluorine film and can be selected from polytetrafluoroethylene (PTFE), perfluoroethylene-propylene (FEP), Kynoar (PVDF), polyvinyl fluoride (PVF), tetrafluoroethene and ethylene copolymer (ETFE) and tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer (PFA) etc.Fluoro-containing coating can be selected from vinylidene (PVDF) coating, trifluoro type (FEVE) coating, tetrafluoro type (FEP) coating, trifluoro type coating resin is PVF-vinyl ethers (ester) copolymer, as chlorotrifluoroethylene and alkyl vinyl ether co-polymer, chlorotrifluoroethylene and alkyl vinyl ester copolymer; Tetrafluoro type coating resin is tetrafluoroethene and alkyl vinyl ether co-polymer or tetrafluoroethene and alkyl vinyl ester copolymer; Be preferably chlorotrifluoroethylene.
Inner surface encapsulated layer fusion coating is on the polyamide of intermediate layer, and encapsulated layer also contains crosslinking and curing agent, ultraviolet absorber, light stabilizer, reaches shading filler (as titanium dioxide, carbon black) etc. except matrix resin.This layer EVA has encapsulation function and ageing-resistant performance, and can stop that solar irradiation is mapped on the tack coat, avoids its xanthochromia.
Described crosslinking and curing agent is the conventional crosslinking and curing agent that is used for packaging adhesive film, can be in following one or more: 2,5-dimethyl-2, two (the t-butyl peroxy)-hexanes of 5-, adjacent, neighbour-tert-butyl group-neighbour-isopropyl-list-peroxycarbonates, adjacent, neighbour-tert-butyl group-neighbour-(2-ethylhexyl)-list-peroxycarbonates, adjacent, neighbour-tertiary pentyl-neighbour-(2-ethylhexyl)-list-peroxycarbonates, 3, two (tertiary pentyl peroxide) ethyl butyrates of 3-, 3, two (t-butyl peroxy) ethyl butyrates of 3-, 1, two (t-butyl peroxy) butane of 1-, 1, two (the t-butyl peroxy)-cyclohexanes of 1-, normal-butyl 4,4-two (tert-butyl peroxide) valerate, two (t-butyl peroxy)-3 of 1,1-, 3, the 5-trimethyl-cyclohexane, two 2.2-(tert-butyl peroxide) butane, peroxidating 2-ethylhexyl carbonic acid tert-pentyl ester, peroxidating two tertiary pentyls, peroxidating 2,5-dimethylhexane-2,5-di-tert-butyl peroxide or 2,5-dimethyl-2, two (benzoyl the peroxide)-hexanes of 5-; Be preferably peroxidating 2-ethylhexyl carbonic acid tert-pentyl ester or peroxidating two tertiary pentyls.
Described ultraviolet absorber is the conventional ultraviolet absorber that is used for packaging adhesive film, can be in following one or more: 2,2 '-(1,4-phenylene) two (4H-3,1-benzoxazine-4-ketone), 2,2 '-two (3,1-benzoxazines-4-ketone), 2,2 '-tetramethylene two (3,1-benzoxazine-4-ketone), 2,2 '-decamethylene two (3,1-benzoxazine-4-ketone), 2,2 '-TOPOT 2,2 (3,1-benzoxazine-4-ketone), 2,2 '-di-2-ethylhexylphosphine oxide (3,1-benzoxazine-4-ketone), 1,3,5-three (3,1-benzoxazine-4-ketone-2-yl) benzene, 2,4,6-three (3,1-benzoxazine-4-ketone-2-yl) naphthalene, 2,8-dimethyl-4H, 6H-benzo (1,2-d; 5; 4-d ') two (1; 3)-oxazines-4; the 6-diketone; 6 '; two (2-methyl-the 4H of 6-sulfonyl; 3; 1-benzoxazine-4-ketone); 6; 7 '-di-2-ethylhexylphosphine oxide (2-methyl-4H; 3; 1-benzoxazine-4-ketone); 2-hydroxyl-4-methoxy benzophenone; 2; the 4-dihydroxy benaophenonel; 2-hydroxyl-4-n-octyloxy benzophenone; 2-hydroxyl-4-methoxyl group-2 '-carboxyl benzophenone; 2; 2 '-dihydroxy-4; 4 '-dimethoxy-benzophenone; 2-hydroxyl-4-benzoyl oxygen base benzophenone; 2; 2 '; 4; 4 '-tetrahydroxybenzophenone; 2; 2 '-dihydroxy-4; 4 '-dimethoxy-benzophenone; 2-hydroxyl-5-chlorobenzophenone; two-(2-methoxyl group-4-hydroxyl-5-benzoyl phenyl) methane; 2-(2 '-hydroxy phenyl) BTA; 2-(2 '-hydroxy-5-methyl base phenyl) BTA; 2-(2 '-hydroxy-5-methyl base phenyl)-5-carboxylic acid butyl ester BTA; 2-(2 '-hydroxyl-5 '-aminomethyl phenyl)-5; 6-dichloro BTA; 2-(2 '-hydroxy-5-methyl base phenyl)-5-ethyl sulphonyl BTA; 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl)-5-chlorobenzotriazole; 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl) BTA; 2-(2 '-hydroxyl-5 '-aminophenyl) BTA; 2-(2 '-hydroxyl-3 '; 5 '-3,5-dimethylphenyl) BTA; 2-(2 '-methyl-4 '-hydroxy phenyl) BTA; 2-(2 '-hydroxyl-5-carboxylic acid phenyl) BTA ethyl ester; 2-(2 '-hydroxyl-3 ' methyl-5 '-tert-butyl-phenyl) BTA; 2-(2 '-octadecyl oxygen base-3 '; 5 '-3,5-dimethylphenyl)-the 5-methylbenzotrazole; 2-(2 '-hydroxyl-3 '; 5 '-di-tert-butyl-phenyl)-the 5-chlorobenzotriazole; 2-(2 '-hydroxyl-the 3 '-tert-butyl group-5 '-aminomethyl phenyl)-5-chlorobenzotriazole; 2-(2 '-hydroxyl-5 '-methoxyphenyl) BTA; 2-(2 '-hydroxyl-3 '; 5 '-di-tert-butyl-phenyl)-the 5-chlorobenzotriazole; 2-(2 '-hydroxyl-5 '-cyclohexyl phenyl) BTA; 2-(2 '-hydroxyl-4 '; 5 '-3,5-dimethylphenyl)-5-carboxylic acid BTA butyl ester; 2-(2 '-hydroxyl-3 '; 5 '-dichlorophenyl) BTA; 2-(2 '-hydroxyl-4 '; 5 '-dichlorophenyl) BTA; 2-(2 '-hydroxyl-3 ', 5 '-3,5-dimethylphenyl)-5-ethyl sulphonyl BTA; 2-(2 '-hydroxyl-4 '-octyloxyphenyl) BTA; 2-(2 '-hydroxyl-5 '-methoxyphenyl)-5-methylbenzotrazole; 2-(2 '-hydroxyl-5 '-aminomethyl phenyl)-5-carboxylate BTA; 2-(2 '-hydroxyl-5 '-uncle's octyl phenyl) BTA or 2-(2 '-acetoxyl group-5 '-aminomethyl phenyl) BTA.Be preferably 2-hydroxyl-4-benzoyl oxygen base benzophenone or 2-(2 '-hydroxyl-4 ', 5 '-3,5-dimethylphenyl)-5-carboxylic acid BTA butyl ester.
Described light stabilizer is the conventional light stabilizer that is used for packaging adhesive film, can be in following one or more: decanedioic acid two-2,2,6,6-tetramethyl piperidine alcohol ester, 2,4-, two chloro-6-(4-morpholinyl)-1,3,5-triazine, two-1-alkoxyl in the last of the ten Heavenly stems-2,2,6,6-tetramethyl piperidine-4-alcohol sebacate, succinic acid and 4-hydroxyl-2,2, the polymer of 6,6-tetramethyl-1-piperidines alcohol, N, N '-two (2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexamethylene diamine and 2,4-, two chloro-6-(1,1,3,3-tetramethyl butyl) amino-1,3, the polymer of 5-triazine, N, N '-two (2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexamethylene diamine and 2, the polymer of 4-two chloro-6-(4-morpholinyl)-1,3,5-triazines, N, N '-two (1,2,2,6,6-pentamethyl-4-piperidyl)-1,6-hexamethylene diamine and morpholine-2,4,6-, three chloro-1,3, the polymer of 5-triazine, two (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate/methyl isophthalic acid, 2,2,6,6-pentamethyl-4-piperidyl sebacate compound or succinic acid and (4-hydroxyl-2,2,6,6-tetramethyl-1-piperidines alcohol) polymer.It is two-2,2,6 to be preferably decanedioic acid, 6-tetramethyl piperidine alcohol ester or 2,4-, two chloro-6-(4-morpholinyl)-1,3,5-triazines.
As preferred scheme, the raw material that described outer surface weathering layer contains fluorine film or fluorine-containing coat is one of following: polytetrafluoroethylene, Kynoar, polyvinyl fluoride; Polyester raw material is one of following in the described glass fibre modified poly ester layer: PETG, polybutylene terephthalate, poly fat; Described aramid layer raw material is one of following: nylon 12, poly-lauroyl lauryl amine, poly-certain herbaceous plants with big flowers two acyl certain herbaceous plants with big flowers diamines; Described inner surface encapsulated layer is for being the packaging adhesive film that matrix resin is made with vinylacetate-ethylene copolymer.
Preferably, it is composed as follows to prepare the raw material quality of described encapsulated layer:
More preferred, the raw material quality for preparing described encapsulated layer is composed as follows:
Beneficial effect of the present invention is mainly reflected in: high-performance notacoria of the present invention is by improving the intermediate layer; the packaging protection that is used for the solar module dorsal part; compare with common integrated notacoria material (EVA+PET+ fluorine film); mechanical strength of the present invention is higher; the wet gas barrier properties of resistance is better, and weather resistance is more excellent.
(4) description of drawings
Fig. 1 is high-performance notacoria structural representation of the present invention; A is the outer surface weathering layer, and BC forms the intermediate layer, is respectively glass fibre modified poly ester layer (B) and aramid layer (C), and D is the inner surface encapsulated layer.
(5) embodiment
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
Embodiment 1:
At first in mass fraction, 100 parts of PETG (PET, the BN9015 of Polyplastics company) in the pellet, add 5 parts of alkali-free glass fibre powder (Guangzhou and Tai Si chemical materials Co., Ltd) and 1 part of polyethylene glycol (PEG6000, sky, Tianjin safe fine chemicals company), and mix, form the PET mixture; PET mixture and nylon 12 (PA12, du pont company 159L) are obtained 250 microns intermediate layer according to the ratio double-layer coextrusion of 70:30; Then, at polyvinyl fluoride (PVF, the du pont company of compound 25 micron thickness of pet sheet face dry method
Film applies the ethylene-vinyl acetate copolymer (EVA, the F806 of Hangzhou Foster photovoltaic material limited company) of 400 micron thickness at the PA12 melt surface.
Wherein the EVA film adds crosslinking agent by the EVA resin; ultraviolet absorber; light stabilizer and light-proofness filler melt extrude; be specially in 100 parts of EVA resins (du pont company EVA250); add 1 part of crosslinking agent peroxidating 2-ethylhexyl carbonic acid tert-pentyl ester (Dutch Akzo Nobel N.V.); 0.1 part ultraviolet absorber 2-hydroxyl-4-benzoyl oxygen base benzophenone (the many He Sheng in Nanjing Science and Technology Ltd.); 0.1 the light stabilizer decanedioic acid of part two-2; 2; 6; 6-tetramethyl piperidine alcohol ester (the many He Sheng in Nanjing Science and Technology Ltd.), 25 parts titanium dioxide white filler (Hangzhou ten thousand scape new material Co., Ltds).
Embodiment 2:
At first in mass fraction, 100 parts of polybutylene terephthalate (PBT, the 1494X02 of toray company) in the pellet, add 10 parts of alkali-free glass fibre powder (Hangzhou composite material Co., Ltd of high section) and 2 parts of polyethylene glycol (PEG8000, Hai'an, Jiangsu petrochemical plant), and mix, form the PBT mixture; PBT mixture and poly-certain herbaceous plants with big flowers two acyl certain herbaceous plants with big flowers diamines (PA1010, du pont company 09-12) are obtained 280 microns intermediate layer according to the ratio double-layer coextrusion of 65:35; Then, Kynoar (PVDF in compound 40 micron thickness of PBT surface dry method, France Arkema) film applies the ethylene-vinyl acetate copolymer film (EVA, the F806 of Hangzhou Foster photovoltaic material limited company) of 350 micron thickness at the PA1010 melt surface.
Wherein the EVA film adds crosslinking agent by the EVA resin, ultraviolet absorber, light stabilizer and light-proofness filler melt extrude, be specially 100 parts of EVA(Singapore TPC companies, MA-10) in the resin, add 1.5 parts of crosslinking agent peroxidating two tertiary pentyls (Dutch Akzo Nobel N.V.), 0.2 part ultraviolet absorber 2-(2 '-hydroxyl-4 ', 5 '-3,5-dimethylphenyl)-5-carboxylic acid BTA butyl ester (the many He Sheng in Nanjing Science and Technology Ltd.), 0.2 the light stabilizer 2 of part, 4-two chloro-6-(4-morpholinyl)-1,3,5-triazine (the many He Sheng in Nanjing Science and Technology Ltd.), 30 parts carbon black filler (Tianjin gold autumn realification worker Co., Ltd).
Embodiment 3
At first in mass fraction, 100 parts of PETG (PET, Beijing Yanshan Petrochemical) in the pellet, add 5 parts of alkali-free glass fibre powder (the rich great composite material in Guangzhou Co., Ltd) and 1 part of polyethylene glycol (PEG6000, sky, Tianjin safe fine chemicals company), and mix, form the PET mixture; PET mixture and poly-lauroyl lauryl amine (PA1212, French Arkema) are obtained 265 microns intermediate layer according to the ratio double-layer coextrusion of 70:30; Then, at Kynoar (PVDF, the French Arkema) film of compound 40 micron thickness of pet sheet face dry method, apply ethylene-vinyl acetate copolymer (EVA) film of 400 micron thickness at the PA1212 melt surface.The formation of EVA film is identical with embodiment 1.
Embodiment 4:
At first in mass fraction, 100 parts of PETG (PET, toray company) in the pellet, add 8 parts of alkali-free glass fibre powder (Guangzhou and Tai Si chemical materials Co., Ltd) and 2 parts of polyethylene glycol (PEG6000, sky, Tianjin safe fine chemicals company), and mix, form the PET mixture; PET mixture and nylon 12 (PA12, du pont company) are obtained 240 microns intermediate layer according to the ratio double-layer coextrusion of 65:35; Then, at the polytetrafluoroethylene (PTFE, du pont company) of compound 35 micron thickness of pet sheet face dry method, apply ethylene-vinyl acetate copolymer (EVA) film of 380 micron thickness at the PA12 melt surface.The formation of EVA film is identical with embodiment 1.
Embodiment 5:
At first in mass fraction, 100 parts of polybutylene terephthalate (PBT, U.S. GE company) in the pellet, alkali-free glass fibre powder (Hangzhou composite material Co., Ltd of high section) and 2 parts of polyethylene glycol (PEG8000 of adding 10 parts, Hai'an, Jiangsu petrochemical plant), and mix, form the PBT mixture; PBT mixture and nylon 12 (PA12, toray company) are obtained 280 microns intermediate layer according to the ratio double-layer coextrusion of 65:35; Then, at the polytetrafluoroethylene (PTFE, du pont company) of compound 35 micron thickness of pet sheet face dry method, apply ethylene-vinyl acetate copolymer (EVA) film of 400 micron thickness at the PA12 melt surface.The formation of EVA film is identical with embodiment 2.
Embodiment 6:
At first in mass fraction, 100 parts of poly fat (PHB, Shanghai red autumnal leaves Plastic Products Co., Ltd) in, alkali-free glass fibre powder (Guangzhou and Tai Si chemical materials Co., Ltd) and 3 parts of polyethylene glycol (PEG6000 of adding 15 parts, sky, Tianjin safe fine chemicals company), and mix, form the PHB mixture; PHB mixture and nylon 12 (PA12, toray company) are obtained 280 microns intermediate layer according to the ratio double-layer coextrusion of 65:35; Then, at Kynoar (PVDF, the French Arkema) film of compound 40 micron thickness of pet sheet face dry method, apply ethylene-vinyl acetate copolymer (EVA) film of 400 micron thickness at the PA12 melt surface.The formation of EVA film is identical with embodiment 1.
Comparative example 1:
Buy the BBF of 3M company backboard on the market, structure is EVA/PET/THV, 400 microns of gross thickness.
Comparative example 2:
The BEVA-307 notacoria product of Hangzhou Foster company, structure are EVA-450 micron/PET-250 micron/PVDF-20 micron, 720 microns of gross thickness.
Adopt above method to make the notacoria sample, performance index are measured by the following method:
1, steam transmitance
Measure according to ASTM F1249
2, electrical strength
Measure according to ASTM D149, wherein electrode is selected No. 2.
3, hot strength
Measure according to ASTM D882-02.
Table 1: the performance parameter that makes each notacoria
From above Performance Detection index as can be seen, high-performance notacoria material of the present invention is compared with plain edition notacoria material, and it is low to have the steam transmitance, the hot strength height, and the advantage of good insulation preformance is very outstanding solar module back-protective material.
Claims (4)
1. a solar module notacoria material is sealed by outer surface weathering layer, intermediate layer and inner surface
The dress layer constitutes;
Described outer surface weathering layer for contain fluorine film or fluorine-containing coat, thickness is 5～50 microns;
Described intermediate layer is obtained by glass fibre modified poly ester layer and aramid layer co-extrusion:
Described glass fibre modified poly ester layer by polyester, glass fibre, polyethylene glycol so that 100:1～15:0.5～3 quality are extruded than blend and obtained, thickness is 50～200 microns; Described polyester is one of following or two or more mixture wherein: PETG, polybutylene terephthalate, poly terephthalic acid diallyl, ekonol;
Described aramid layer thickness is 10～100 microns; Described polyamide is one of following or two or more mixture wherein: nylon 12, poly-lauroyl lauryl amine, poly-11 lactams, poly-certain herbaceous plants with big flowers two acyl certain herbaceous plants with big flowers diamines, polyhexamethylene sebacamide, poly-12 acyl hexamethylene diamines;
Described inner surface encapsulated layer is for being that packaging adhesive film, the thickness that matrix resin is made is 100～800 microns with vinylacetate-ethylene copolymer, polyvinyl butyral resin, poly-succinic diethylester.
2. notacoria material as claimed in claim 1 is characterized in that:
The raw material that described outer surface weathering layer contains fluorine film or fluorine-containing coat is one of following: polytetrafluoroethylene, Kynoar, polyvinyl fluoride;
Polyester raw material is one of following in the described glass fibre modified poly ester layer: PETG, polybutylene terephthalate, ekonol;
Described aramid layer raw material is one of following: nylon 12, poly-lauroyl lauryl amine, poly-certain herbaceous plants with big flowers two acyl certain herbaceous plants with big flowers diamines;
Described inner surface encapsulated layer is for being the packaging adhesive film that matrix resin is made with vinylacetate-ethylene copolymer.
3. method as claimed in claim 1 or 2, the raw material quality that it is characterized in that preparing described encapsulated layer is composed as follows:
4. method as claimed in claim 3, the raw material quality that it is characterized in that preparing described encapsulated layer is composed as follows:
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| CN104140644A (en) * | 2014-06-23 | 2014-11-12 | 苏州市盛百威包装设备有限公司 | Polyester film material and preparation method thereof |
| CN105161558A (en) * | 2015-08-06 | 2015-12-16 | 中国乐凯集团有限公司 | Solar cell packaging film |
| CN107293609A (en) * | 2016-03-31 | 2017-10-24 | 黄河科技学院 | A kind of flexible solar battery foreboard and its processing technology |
| WO2018076525A1 (en) * | 2016-10-31 | 2018-05-03 | 上迈（香港）有限公司 | Laminated structure of photovoltaic assembly, preparation method therefor, and photovoltaic assembly |
| CN108365037A (en) * | 2018-01-19 | 2018-08-03 | 合肥宸翊商贸有限公司 | Solar energy backboard membrane of high intensity and preparation method thereof |
| CN108878563A (en) * | 2018-06-29 | 2018-11-23 | 汉能移动能源控股集团有限公司 | Solar cell, power generation device and preparation method of solar cell |
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