CN102250554B - Sealing adhesive film for solar cell - Google Patents
Sealing adhesive film for solar cell Download PDFInfo
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- CN102250554B CN102250554B CN 201110133882 CN201110133882A CN102250554B CN 102250554 B CN102250554 B CN 102250554B CN 201110133882 CN201110133882 CN 201110133882 CN 201110133882 A CN201110133882 A CN 201110133882A CN 102250554 B CN102250554 B CN 102250554B
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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 discloses a sealing adhesive film for a solar cell, comprising a functional compound with the refractive index n of not less than 1.55. The functional compound accounts for 0.009-0.988 percent of total weight of the adhesive film and is sulfur-containing resin containing a reactive functional group or resin containing a delocalization electronic conjugated system. According to the sealing adhesive film disclosed by the invention, the defect that the light transmittance of the adhesive film is reduced because acid absorbent inorganic particles are added is overcome and the light transmittance of the adhesive film is improved, so that the EVA (Ethylene Vinyl Acetate) adhesive film has the characteristics of durability, electrode corrosion inhibition, stable optical performance, and the like; and the photoelectric conversion efficiency and the service life of a solar battery assembly are ensured.
Description
Technical field
The present invention relates to a kind of improved solar cell sealing glued membrane.
Background technology
Traditional fuel energy reduces day by day, and the harm that environment is caused becomes increasingly conspicuous, and meanwhile, the whole world has all been invested renewable energy source to sight, wishes that renewable energy source can change human energy structure, keeps long-range Sustainable development.Abundant solar radiant energy is important energy, is the energy inexhaustible, nexhaustible, pollution-free, cheap, that the mankind can freely utilize.
Solar cell is the most typical application of sun power.Generating by solar is to utilize the quantum effect principle of silicon semiconductor directly the visible light of sun power to be changed into electric energy,, in this process, if silicon wafer directly is exposed in the atmosphere, its opto-electronic conversion performance is easy to decay, loses practical value.Therefore, must protect accordingly silicon wafer by a kind of packaged material.
The material require that is used for the encapsulation solar cell has gratifying transparency, in order to do not influence generating efficiency; Secondly, the hot expansibility difference of packaged material and cell device and connection line is as far as possible little, otherwise can cause battery sheet cracking, circuit to ftracture or packaged material is peeled off and ftractureed.In addition, packaged material must be coordinated the battery material with different coefficients of expansion assembling and self rupture failure not take place again.Therefore, packaged material must be low modulus elastomer.
The EVA resin is a kind of thermoplastic macromolecule material, it is linearity molecular structure, cost is low, being easy to processing uses, have high transmission rate, high-k, low steam sees through and water-absorbent, high adhesive property and mechanical property, and good ultraviolet light and thermal-oxidative aging property, and has certain unreactiveness.Along with constantly throwing oneself into the EVA Adhesive Film both at home and abroad, EVA has become the most frequently used material in the present solar cell package technology.
Although EVA has become the most frequently used sealing material of solar cell, but owing to contain the vinyl acetate composition in its molecular structure, therefore, in hot and humid environment, As time goes on hydrolysis produces acetic acid easily, cause solar components inner lead and electrode corrosion, reduce photoelectric transformation efficiency even cause assembly to be scrapped.In order to address this problem, the acid-acceptor that is made of nanometer inorganic can be introduced in the EVA glued membrane system usually, in order to absorb the acetic acid that hydrolysis produces.Can cause EVA glued membrane transmittance to reduce but do like this, influence photoelectric transformation efficiency.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of transparency good solar cell sealing glued membrane.
For addressing the above problem, technical scheme provided by the invention is:
A kind of solar cell sealing glued membrane contains the functional compound of refractive index n 〉=1.55 in the described glued membrane, this functional compound accounts for 0.009%～0.988% of glued membrane gross weight; Described functional compound is that tool contains
Perhaps
The thioretinite of reactive functional group or contain the resin of delocalized electron conjugated system.
Above-mentioned solar cell sealing glued membrane, it is made by the component of following proportioning: ethylene-vinyl acetate copolymer 100 weight parts, organo-peroxide linking agent 0.1～3 weight part, crosslinking accelerator 0.1～3 weight part, protective agent 0.05～2 weight part, functional compound 0.01～1 weight part, described protective agent comprises ultraviolet absorbers, photostabilizer, oxidation inhibitor and acid absorber.
The functional compound of described refractive index n 〉=1.55 is a kind of in the following compounds: 2-thiophenyl ethyl propylene acid esters, 2-thiophenyl ethyl-methyl acrylate, adjacent phenyl benzene ethoxyethyl group acrylate, oxyethyl group (4) bisphenol S diacrylate, 9, two [4-(2-acryloxy) phenyl] fluorenes of 9-.
In the described ethylene-vinyl acetate copolymer, the mass content of vinyl acetate is 26%～35%.
Described organo-peroxide linking agent is one of following material or its mixture: tert-butyl hydroperoxide-sec.-propyl carbonic ether, tert-butyl hydroperoxide-2-ethylhexyl carbonic ether, tert-butyl hydroperoxide stearyl carbonic ether, the peroxidation carbonic acid-2 ethyl hexanoic acid tert-butyl ester, two (2-ethylhexyl) peroxy dicarbonate, peroxy dicarbonate 24 esters.
Described oxidation inhibitor is one or both the composition in hindered phenol antioxygen, the phosphite antioxidant.
Described acid absorber is the inorganic particulate of 0.1～1um.
Described acid absorber is MgO, Mg (OH)
2, Ca (OH)
2, at least a in CaO, ZnO or the hydrotalcite.
Compared with prior art, the invention has the advantages that, by the functional compound of refractive index n 〉=1.55 is introduced EVA glued membrane system, offset the shortcoming of the glued membrane transmittance reduction that causes owing to adding acid absorber inorganic particulate, improved the transmittance of glued membrane, make the EVA glued membrane have durable for a long time, suppress electrode corrosion, stable characteristics such as optical property, guaranteed the photoelectric transformation efficiency of solar module.
Embodiment
Why the aforementioned functional compound can improve the transmittance of glued membrane, and reason is that functional compound can regulate the light refractive index of EVA glued membrane, makes itself and ultra-clear glasses that the encapsulation solar cell uses have close light refractive index index.According to optical principle, incident light will reduce at the reflected light of glass and the generation of EVA glued membrane interface, thereby can increase the transmitance of incident light, improve the photoelectric transformation efficiency of solar cell.In order to make the EVA glued membrane have stable optical characteristics, need carry out graft modification to functional compound, it is had
Perhaps
The functional compound of reactive functional group, this is can participate in the crosslinked of EVA on the one hand because have the functional compound of previous reaction sexual function group, stable transmittance compensation effect is provided, on the other hand when the EVA glued membrane carries out heated lamination, these groups can be anchored in the EVA polymer network, have avoided the problem of functional compound migration.This is because the small-molecule substance of Non-crosslinked characteristic of oriented material interface migration all if functional compound does not carry out holdfast, will be assembled between ultra-clear glasses and EVA glued membrane, can produce the problem of transmitance reduction on the contrary.
As the functional compound of refractive index n 〉=1.55, can be the resin of sulfur-bearing or the resin that contains the delocalized electron conjugated system, these resins also have especially
Perhaps
Reactive functional group is used for participating in the crosslinked of EVA, and stable transmittance compensation effect is provided.
Thioretinite, the outer field two pairs of lone-pair electron of sulphur atom are polarized easily, can effectively improve the specific refractory power of resin.Resin as sulfur-bearing can have following structure, but is not limited to following structure:
Specific refractory power 1.65
The resin that contains the delocalized electron conjugated system, by introducing the specific refractory power that conjugated system that aromatic ring etc. contains more delocalized electron improves resin, such as active group in grafting on the fluorenes ring structure, this type of material can have following structure, but is not limited to following structure:
Specific refractory power 1.63
Specific refractory power 1.64
Specific refractory power
As described refractive index n 〉=1.55 functional compounds, can list Shanghai and be full of the AM6101(2-thiophenyl ethyl propylene acid esters of sharpening worker company limited, specific refractory power 1.56) and AM6102(2-thiophenyl ethyl-methyl acrylate, specific refractory power 1.56), the adjacent phenyl benzene of the PP-011(ethoxyethyl group acrylate of Korea S Han Nong chemistry company limited, specific refractory power 1.58) and TBP-042(oxyethyl group (4) bisphenol S diacrylate, specific refractory power 1.56) and the Guangzhou CM8231(9 of matrix material Science and Technology Ltd. of section carefully, two [4-(2-acryloxy) phenyl] fluorenes of 9-, specific refractory power 1.62).
With respect to ethylene-vinyl acetate 100 weight parts in the aforementioned solar cell sealing glued membrane, the content of aforementioned functional compound is preferably 0.01～1 weight part.When the consumption of functional compound surpasses 1 weight part, can bring uneconomical on the product cost; When its consumption during less than 0.01 weight part, the DeGrain that improves solar sealant film transparency that plays; When its consumption control during at 0.01～1 weight part, can be good at solving the problem that glued membrane reduces because of the transparency of using acid-acceptor and bringing, the cost aspect can be well controlled simultaneously.
Solar cell sealing glued membrane of the present invention is except containing functional compound, also contain ethylene-vinyl acetate copolymer (EVA), that the solar sealant film that uses ethylene-vinyl acetate copolymer to make as main raw has is with low cost, the transparency and soft characteristic.
Ethylene vinyl acetate copolymer that be used for to make the solar sealant film preferably uses melt flow rate (MFR) (Melt Flow Rate) below 45g/10 minute, the glued membrane of making than the ethylene-vinyl acetate copolymer of low melt flow speed, during heating and pressurizing in carrying out the solar cell sealing operation, can suppress the Flashmelt of glued membrane or position deviation and ooze out from the substrate end.
Among the present invention, as the main raw material of preparation EVA glued membrane, the quality of the vinyl acetate in the ethylene-vinyl acetate copolymer is 26%～35%.When vinyl acetate contain quantity not sufficient 26% time, then under the high temperature during crosslinking curing sealed Cellophane of gained do not have enough transmittances; When the content of vinyl acetate surpasses 35%, then in the later stage use, be easy to generate small-molecule substances such as carboxylic acid, alcohol, amine, influence the work-ing life of solar module.
The organo-peroxide linking agent is as one of raw material of glued membrane, and it mainly acts on is to guarantee that ethylene-vinyl acetate has enough degree of crosslinking, and the enough mechanical properties of glued membrane and creep resistance are provided.
Aforementioned organo-peroxide linking agent can be commonly used for this area; be applicable to the organo-peroxide linking agent of EVA glued membrane preparation; can be one or more mixtures in the following substances: 1; 1-two (tert-butyl hydroperoxide)-3; 3; the 5-trimethyl-cyclohexane; 2; 5-dimethylhexane-2; the 5-ditertiary butyl peroxide; 2; 5-dimethyl-2; two (benzoyl the peroxide)-hexanes of 5-; dicumyl peroxide; two (2-tert-butyl hydroperoxide sec.-propyl) benzene; the tert-butyl peroxide isopropyl benzene; ditertiary butyl peroxide; the peroxybenzoic acid tert-pentyl ester; 2; two (tert-pentyl the peroxide)-butane of 2-; two t-amyl peroxy things; tert butyl peroxy benzoate; tert-butyl hydroperoxide-2-ethylhexanoate; tert-butyl hydroperoxide-3; 5; 5-tri-methyl hexanoic acid ester; dicumyl peroxide; tertiary butyl cumyl peroxide; the dibenzoyl superoxide; two (4-chlorobenzene formacyl) superoxide; two (2; 4-dichloro-benzoyl base) superoxide; two (4-methyl benzoyl) superoxide; normal-butyl-4; 4-two (tert-butyl hydroperoxide) valerate; ethyl-3; 3-two (tert-butyl hydroperoxide) butyric ester; tert-butyl hydroperoxide-sec.-propyl carbonic ether; tert-butyl hydroperoxide-2-ethylhexyl carbonic ether; tert-butyl hydroperoxide stearyl carbonic ether; peroxidation carbonic acid-2 ethyl hexanoic acid the tert-butyl ester; two (2-ethylhexyl) peroxy dicarbonate; peroxy dicarbonate 24 esters; preferred tert-butyl hydroperoxide-sec.-propyl the carbonic ether that uses; tert-butyl hydroperoxide-2-ethylhexyl carbonic ether; tert-butyl hydroperoxide stearyl carbonic ether; peroxidation carbonic acid-2 ethyl hexanoic acid the tert-butyl ester; two (2-ethylhexyl) peroxy dicarbonate; peroxy dicarbonate 24 esters more preferably use tert-butyl hydroperoxide-2-ethylhexyl carbonic ether.
With respect to ethylene-vinyl acetate 100 weight parts in the glued membrane, the content of aforesaid organo-peroxide linking agent is 0.1～3 weight part.When the consumption of organic peroxide cross-linking agent surpasses 3 weight parts, can produce the compatibility problem with ethylene-vinyl acetate copolymer; When its consumption during less than 0.1 weight part, the degree of crosslinking deficiency of resulting sealed Cellophane can produce the not enough problem of transparency.
For rate of crosslinking and the cross-linking depth that improves ethylene-vinyl acetate, increase the technology subject range of solar cell sealing operation laminating operation, the present invention has added crosslinking accelerator when glued membrane prepares.
As described crosslinking accelerator, can be 3 functional group's reactive monomers such as triallylcyanurate, cyanacrylate, also can be (methyl) acrylate simple function group, 2 functional groups or 3 functional group's reactive monomers, wherein preferred methacrylate 3 monomers.
With respect to ethylene-vinyl acetate 100 weight parts in the glued membrane, the content of aforementioned crosslinking accelerator is preferably 0.1～3 weight part.When the consumption of organic peroxide cross-linking agent surpasses 3 weight parts, can produce the compatibility problem with ethylene-vinyl acetate copolymer; When its consumption during less than 0.1 weight part, the rate of crosslinking that causes promotes not enough, is difficult to enlargement layer compression technology subject range.
In order to prolong the work-ing life of sealing film, the present invention has added protective agent when glued membrane prepares, and the protective agent among the present invention is made up of ultraviolet absorbers, photostabilizer, oxidation inhibitor and acid absorber.
As described ultraviolet absorbers, can suppress the aging of the ethylene-vinyl acetate copolymer that caused by the ultraviolet ray that the sun sends, and then the xanthochromia phenomenon of solar cell sealing glued membrane occur.The uv-absorbing agent that uses among the present invention can be selected the UV light absorber that arrives commonly used in this area for use, as various types of uv-absorbing agents such as Benzophenones, benzotriazole category, triazines, salicylate classes.As the Benzophenones uv-absorbing agent, can enumerate as 2-hydroxyl-4-methoxyl group benzophenone, 2-hydroxyl-4-methoxyl group-2 '-carboxyl benzophenone, 2-hydroxyl-4 octyloxy benzophenone, 2-hydroxyl-4-n-dodecane oxygen base benzophenone, 2-hydroxyl-4-Octadecane oxygen base benzophenone, 2-hydroxyl-4-benzyloxy benzophenone, 2-hydroxyl-4-methoxyl group-5-diphenylsulfone ketone, 2-hydroxyl-5-chloro benzophenone, 2, the 4-dihydroxy benzophenone, 2,2 '-dihydroxyl-4-methoxyl group benzophenone, 2,2 '-dihydroxyl-4,4 '-dimethoxy benzophenone, 2,2 ', 4,4 '-tetrahydroxybenzophenone etc.; As the benzotriazole category ultraviolet absorbers, it is the benzotriazole cpd that hydroxyphenyl replaces, can enumerate the benzotriazole as 2-(2-hydroxy-5-methyl base phenyl), 2-(2-hydroxyl-5-tert-butyl-phenyl) benzotriazole, 2-(2-hydroxyl-3, the 5-3,5-dimethylphenyl) benzotriazole, 2-(2-methyl-4-hydroxy phenyl) benzotriazole, 2-(2-hydroxy-3-methyl-5-tert-butyl-phenyl) benzotriazole, 2-(2-hydroxyl-3, the 5-di-tert-butyl-phenyl) benzotriazole, 2-(2-hydroxyl-3,5-3,5-dimethylphenyl-3, the 5-3,5-dimethylphenyl)-5-methoxyl group benzo triazole, (the 2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorobenzotriazole, (2-hydroxyl-5-tert-butyl-phenyl)-5-chlorobenzotriazole etc.As the triazines UV light absorber, can enumerate 2-[4, two (2,4-the 3,5-dimethylphenyl)-1,3,5-triazines of 6--2-yl]-5-(octyloxy) phenol, 2-(4,6-phenylbenzene-1,3,5-triazines-2-yl)-5-(hexyloxy) phenol etc.As the salicylate class, can list salol, p-octylphenyl salicylate etc.; As the preferred benzophenone ultraviolet absorbers of ultraviolet absorbers, more specifically preferred 2,2 '-dihydroxyl-4-methoxyl group benzophenone is as the ultraviolet absorbers of solar cell sealing glued membrane.
As described photostabilizer, mainly refer to the organism of hindered amines.It has been generally acknowledged that the photostabilizer of hindered amine has the effect of radical-scavenging, singlet oxygen quencher, hydroperoxide decomposition, can provide effective protection for high molecular polymer.The hindered amine as light stabilizer of using always in this area can list: two (2,2,6,6-tetramethyl--4-piperidyl) sebate, Succinic Acid and (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines alcohol) polymkeric substance, poly-{ [6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-[(2,2,6,6,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two the support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] }, two (1-octyloxy-2,2,6,6-tetramethyl--4-piperidyl) sebate, two (1,2,2,6,6-pentamethyl--4-piperidyl) sebate, the product on the market can list CYASORB UV-3346, SYASORB UV-3529 (CYTEC company), Lowilite-62, Lowilite-94, Lowilite-6294, Lowilite-92, Lowilite-77 (Chemtura Corporation), Tinuvin 744, Tinuvin 770, Tinuvin 765, Tinuvin 144, Tinuvin 622LD, CHIMASSORB 944LD(Ciba) etc.Above-mentioned photostabilizer may be used alone, can also be used in combination.
As photostabilizer, 2 kinds of photostabilizers of preferably combination use, and concrete preferred Lowilite-62 and Lowilite-94 are used in combination.
As described oxidation inhibitor, mainly contain two kinds of hindered phenol antioxygen, phosphite antioxidants.
As described hindered phenol antioxygen, it has been generally acknowledged that to have Mulberry Extract, stop the thermo-oxidative ageing chain reaction, improve the effect of macromolecular material heat oxygen aging resistance.The hindered phenol antioxygen marketization product of using always in this area can be enumerated: CYANOX-1790, CYANOX 2246, CYANOX 425 (CYTEC company), Anox-20, Anox-330, Lowinox-1790, Lowinox CA-22, Lowinox GP-45, Lowinox HD-98, Naugard PS-48 (Chemtura Corporation), IRGANOX-1010, IRGANOX-1076, IRGANOX-1098, IRGANOX-1135 (Ciba) etc.Aforementioned hindered phenol antioxygen may be used alone, can also be used in combination, and concrete ratio is unqualified, and the present invention preferably uses IRGANOX-1010.
As described phosphite antioxidant, it has been generally acknowledged that it has hydroperoxide decomposition, suppress the effect of processing of high molecular material xanthochromia.The phosphite antioxidant marketization product of using always in this area can list: STAB-1178, STAB-317, STAB-517, STAB-2112, STAB-1500, STAB-AS4500 (Changchun, Taiwan chemistry company limited), Weston-705, Weston-430, Weston-TNPP, Ultranox-619F, Ultranox-626 (Chemtura Corporation), IRGAFOS-168, IRGAFOS P-EPQ, IRGAFOS TNPP (Ciba) etc.Aforementioned phosphite antioxidant may be used alone, can also be used in combination, and concrete ratio is unqualified, and the present invention preferably uses IRGAFOS-168.
Aforesaid hindered phenol antioxygen and phosphite antioxidant can use wherein a kind of separately, also can make up two kinds of uses, and concrete ratio is unqualified, and the present invention preferably uses IRGAFOS-168 as oxidation inhibitor.
Preferably using median size as described acid absorber is the inorganic particulate of 0.1～1um.Solar components will obtain high generating efficiency, just require light manyly as far as possible must be transmitted on the silicon chip, therefore very important as the transparency of described solar cell sealing glued membrane, if the particle diameter of inorganic particulate surpasses 1um, will obviously reduce the transparency of solar cell sealing glued membrane, influence the generating efficiency of battery component, particle diameter is bigger in addition inorganic particulate can because inhale sour ability a little less than, influence the life-time service of battery component; If, there is the problem of the acid absorber gathering that causes because the inorganic particulate particle diameter is too small less than 0.1um in the particle diameter of inorganic particulate, causing can't stably manufactured.
Be mainly metal oxide, metal hydroxides, metal carbonate and complex metal hydroxide as the acid absorber of using always in this area.Specifically can list: magnesium oxide, calcium hydroxide, calcium oxide, zinc oxide, hydrotalcite, magnesium hydroxide, hydrated barta, magnesiumcarbonate, barium carbonate, calcium carbonate, lime borate, Zinic stearas, phthalic acid calcium, phosphorous acid calcium, Calucium Silicate powder, Magnesium Silicate q-agent, magnesium borate, magnesium metaborate, calcium metaborate, barium metaborate, aluminum oxide, aluminium hydroxide etc.Wherein a kind of can be used separately as described inorganic particulate, also multiple use can be made up.The present invention preferably uses nano-sized magnesium hydroxide (Yantai Ai Fuer Chemical Industry Science Co., Ltd) to be acid absorber.
Among the present invention, the concrete consumption of various components is not particularly limited in the above-mentioned protective agent.
Except ultraviolet absorbers, photostabilizer, oxidation inhibitor, the acid absorber of above introduction, aforementioned protective agent can also comprise lactone, tertiary amines free radical scavenger, Carbodiimides hydrolysis-resisting agent etc.
With respect to ethylene-vinyl acetate 100 weight parts in the glued membrane, the content of aforementioned protective agent is preferably 0.05～2 weight part.When the consumption of protective agent surpasses 2 weight parts, can produce the problem that protective agent excessively uses, cause solar cell sealing glued membrane xanthochromia and the transparency to reduce; When its consumption during less than 0.05 weight part, the anti-aging effect deficiency of glued membrane, be difficult to guarantee permanent use and the work-ing life of solar components.
EVA glued membrane provided by the invention can adopt known method to make: with the functional compound of ethylene-vinyl acetate copolymer, organo-peroxide linking agent, crosslinking accelerator, protective agent, refractive index n 〉=1.55 through batch mixing, extrude, film forming and splitting winding obtain the EVA glued membrane.
Be described in further detail below in conjunction with the specific embodiment of the present invention of embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
The VA content that the tert-butyl hydroperoxide-2-ethylhexyl carbonic ether (Chiayi, Beijing changes into the TBEC of company limited) of 3 weight parts is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 3 weight parts as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 26 weight parts; Protective agent with 2 weight parts (contains 2 of 0.8 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.6 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.2 four [methyl-β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (IRGANOX-1010 of Ciba) and 0.2 weight part three (2, the 4-di-tert-butyl-phenyl) mixture of phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0.2 the nano-sized magnesium hydroxide of weight part (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber), 0.01 9 of weight part, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is 0.009% glued membrane.
Embodiment 2
The VA content that the tert-butyl hydroperoxide-sec.-propyl carbonic ether (Sa grace chemical technology company limited) of 1 weight part is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 0.5 weight part as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 28 weight parts; Protective agent with 1 weight part (contains 2 of 0.2 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.2 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.2 four [methyl-β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (IRGANOX-1010 of Ciba) and 0.1 weight part three (2, the 4-di-tert-butyl-phenyl) mixture of phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 3 weight parts (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber), 0.6 9 of weight part, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is the glued membrane of .58%.
Embodiment 3
The VA content that the tert-butyl hydroperoxide stearyl carbonic ether (Wuhan westernization WH-3062) of 0.1 weight part is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 0.1 weight part as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 28 weight parts; Protective agent with 0.05 weight part (contains 2 of 0.02 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.01 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.01 three (2 of weight part, the 4-di-tert-butyl-phenyl) phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 01 weight part (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber), 9 of 1 weight part, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is 0.988% glued membrane.
Embodiment 4
The VA content that the peroxidation carbonic acid-2 ethyl hexanoic acid tert-butyl ester (auxiliary reagent factory, Lanzhou LQ-TAEC) of 0.1 weight part is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 3 weight parts as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 33 weight parts; Protective agent with 1.5 weight parts (contains 2 of 0.3 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.5 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.4 four [methyl-β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (IRGANOX-1010 of Ciba) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 3 weight parts (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber), 0.7 9 of weight part, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is 0.95% glued membrane.
Embodiment 5
The VA content that the mixture of the tert-butyl hydroperoxide-sec.-propyl carbonic ether (Sa grace chemical technology company limited) of the tert-butyl hydroperoxide-2-ethylhexyl carbonic ether (Chiayi, Beijing changes into the TBEC of company limited) of 2 weight parts and 1 weight part is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 3 weight parts as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 35 weight parts; Protective agent with 1.2 weight parts (contains 2 of 0.2 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.05 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.1 four [methyl-β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (IRGANOX-1010 of Ciba) and 0.35 weight part three (2, the 4-di-tert-butyl-phenyl) mixture of phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 5 weight parts (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber) and 0.5 weight part 9, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is 0.46% glued membrane.
Embodiment 6
The VA content that the mixture of two (2-ethylhexyl) peroxy dicarbonates (the good magnificent chemical industry in Changzhou Wujin) of the peroxidation carbonic acid-2 ethyl hexanoic acid tert-butyl ester (auxiliary reagent factory, Lanzhou LQ-TAEC) of 1.5 weight parts and 1.5 weight parts is added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 0.1 weight part as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 30 weight parts; Protective agent with 1 weight part (contains 2 of 0.3 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.05 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.35 three (2 of weight part, the 4-di-tert-butyl-phenyl) mixture of phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 3 weight parts (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber) and 0.2 weight part 9, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thickness 0.6mm, functional compound is 0.19% glued membrane.
Embodiment 7
The VA content that peroxy dicarbonate 24 esters (the wise and farsighted chemical industry MYPC of company limited in Shanghai) of 2 weight parts are added 100 weight parts as the trimethylolpropane trimethacrylate (Sartomer SR350) of organo-peroxide linking agent and 2 weight parts as crosslinking accelerator is to mix in the ethylene-vinyl acetate copolymer of 35 weight parts; Protective agent with 2 weight parts (contains 2 of 0.1 weight part again, 2 '-dihydroxyl-4-methoxyl group benzophenone (Taiwan is photochemistry Eversorb 52 forever) is as ultraviolet absorbers, 0.9 the mixture (Chemtura Corporation) of the Lowilite-62 of weight part and Lowilite-94 weight ratio 1:1 is as photostabilizer, 0.1 four [methyl-β-(3 of weight part, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (IRGANOX-1010 of Ciba) and 0.5 weight part three (2, the 4-di-tert-butyl-phenyl) mixture of phosphorous acid ester (Ciba IRGAFOS-168) is as oxidation inhibitor, 0. the nano-sized magnesium hydroxide of 4 weight parts (Yantai Ai Fuer Chemical Industry Science Co., Ltd) is acid absorber) and 0.8 weight part 9, two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) add in the said mixture as functional compound, mix.The material that mixes joined on the fusion extrusion casting machine extrude, temperature is controlled at 90 ℃, and extrudate is through curtain coating, cooling, traction, the operation of curling, and the content that namely gets thick 0.6mm, functional compound is 0.75% glued membrane.
Comparative example 1
Remove 9 of 0.01 weight part among the embodiment 1, prepared 0.6mm glued membrane behind two [4-(2-acryloxy) phenyl] fluorenes of 9-(Guangzhou is the CM8231 of matrix material Science and Technology Ltd. of section carefully) functional compound.
Estimate
Carry out the transmittance test of solar cell sealing glued membrane according to following method.
The EVA glued membrane is cut into the size of 50mm * 50mm, use two solar energy ultra-white woven design glass (thick 4mm, size 50mm * 50mm), stack gradually glass/EVA glued membrane/glass and obtain duplexer, be under 145 ℃ the condition in vacuum, temperature with vacuum laminator with the duplexer that obtains of operation like this, outgased 7 minutes, and be forced into 1kg/cm
2Kept 13 minutes, and can guarantee that by such operation the degree of crosslinking of EVA glued membrane was more than 90%.Use transmittance tester (the stone laboratory apparatus WGT-S of company limited among the San Quan of Jinan) to measure the light transmittance of laminate thickness direction then, what embodiment was measured the results are shown in Table 1:
Table 1: glued membrane transmittance test chart
From table 1, can see, by adding the aforementioned functional compound, can effectively improve the transmitance index of solar cell sealing glued membrane.
In addition, carry out the hydrothermal aging experiment according to the GB/T2423.3 test method: experiment condition is 85 ℃ of temperature, relative humidity
Table 2: xanthochromia data sheet
As can be seen from Table 2, each embodiment makes wet and heat ageing resistant, the ultraviolet aging resistance excellence of the EVA glued membrane that obtains.
Claims (2)
1. a solar cell sealing glued membrane is characterized in that, contains the functional compound of refractive index n 〉=1.55 in the described glued membrane, and this functional compound accounts for 0.009%～0.988% of glued membrane gross weight;
Described solar sealant film is made by the component of following proportioning:
Ethylene-vinyl acetate copolymer 100 weight parts;
Organo-peroxide linking agent 0.1～3 weight part;
Crosslinking accelerator 0.1～3 weight part;
Protective agent 0.05～2 weight part;
Functional compound 0.01～1 weight part;
Described protective agent comprises ultraviolet absorbers, photostabilizer, oxidation inhibitor and acid absorber;
Described functional compound is two [4-(2-acryloxy) phenyl] fluorenes of 9,9-.
2. according to the described solar cell sealing glued membrane of claim 1, it is characterized in that the mass content of vinyl acetate is 26%～35% in the described ethylene-vinyl acetate copolymer.
3According to the described solar cell sealing glued membrane of claim 2, it is characterized in that described organo-peroxide linking agent is one of following material or its mixture: tert-butyl hydroperoxide-sec.-propyl carbonic ether, tert-butyl hydroperoxide-2-ethylhexyl carbonic ether, tert-butyl hydroperoxide stearyl carbonic ether, the peroxidation carbonic acid-2 ethyl hexanoic acid tert-butyl ester, two (2-ethylhexyl) peroxy dicarbonate, peroxy dicarbonate 24 esters.
4According to the described solar cell sealing glued membrane of claim 3, it is characterized in that described oxidation inhibitor is one or both the composition in hindered phenol antioxygen, the phosphite antioxidant.
5According to the described solar cell sealing glued membrane of claim 4, it is characterized in that described acid absorber is the inorganic particulate of 0.1～1um.
6According to the described solar cell sealing glued membrane of claim 5, it is characterized in that described acid absorber is MgO, Mg (OH)
2, Ca (OH)
2, at least a in CaO, ZnO or the hydrotalcite.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102775924A (en) * | 2012-07-09 | 2012-11-14 | 苏州爱康光伏新材料有限公司 | Hydrolysis-resistant solar packaging EVA (ethylene-vinyl acetate) film, and preparation method and use method thereof |
| CN102775939B (en) * | 2012-08-21 | 2015-02-18 | 东方电气集团东方汽轮机有限公司 | Solar battery encapsulation adhesive film |
| CN105038624B (en) * | 2015-08-05 | 2017-10-31 | 乐凯胶片股份有限公司 | A kind of photovoltaic EVA packaging adhesive films |
| KR102008184B1 (en) * | 2016-11-11 | 2019-08-07 | 삼성에스디아이 주식회사 | Composition for encapsulating organic light emitting diode device and organic light emitting diode display using prepared the same |
| CN108219690A (en) * | 2016-12-22 | 2018-06-29 | 上海海优威新材料股份有限公司 | Ethylene vinyl acetate glued membrane and its corresponding packaging method for the high refractive index of encapsulation |
| CN108269869A (en) * | 2016-12-30 | 2018-07-10 | 阿特斯阳光电力集团有限公司 | A kind of photovoltaic component encapsulating film and include its photovoltaic module |
| CN107286449A (en) * | 2017-05-18 | 2017-10-24 | 江苏东昇光伏科技有限公司 | A kind of EVA material used for solar batteries and preparation method thereof |
| CN107177318A (en) * | 2017-06-08 | 2017-09-19 | 合肥华盖光伏科技有限公司 | A kind of photovoltaic EVA adhesive film and preparation method thereof |
| CN108264682B (en) * | 2018-01-10 | 2019-11-15 | 杭州福斯特应用材料股份有限公司 | A high transmittance photovoltaic packaging material |
| CN111253885A (en) * | 2018-11-30 | 2020-06-09 | 3M创新有限公司 | Adhesive composition, light guide film and solar cell module |
| CN111334200B (en) * | 2020-04-14 | 2022-03-29 | 杭州福斯特应用材料股份有限公司 | Packaging adhesive film and preparation method thereof |
| CN111440548A (en) * | 2020-06-15 | 2020-07-24 | 杭州福斯特应用材料股份有限公司 | Monolayer adhesive film, composition forming the same, coextruded adhesive film and solar cell module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513006A (en) * | 2001-05-31 | 2004-07-14 | 株式会社斗山电子事业 | Resin compositions, and optical lens prepared thereby |
| US20040249100A1 (en) * | 2003-05-27 | 2004-12-09 | General Electric Company | Curable (meth)acrylate compositions |
| CN101367893A (en) * | 2008-09-01 | 2009-02-18 | 长兴化学工业股份有限公司 | Polymerizable composition and application thereof |
| CN101501151A (en) * | 2006-08-04 | 2009-08-05 | 日立化成工业株式会社 | Adhesive composition and connection structure for circuit member |
| CN101538346A (en) * | 2008-03-17 | 2009-09-23 | 迎辉科技股份有限公司 | Monomer composition for preparing light-gathering sheet and application thereof |
-
2011
- 2011-05-23 CN CN 201110133882 patent/CN102250554B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513006A (en) * | 2001-05-31 | 2004-07-14 | 株式会社斗山电子事业 | Resin compositions, and optical lens prepared thereby |
| US20040249100A1 (en) * | 2003-05-27 | 2004-12-09 | General Electric Company | Curable (meth)acrylate compositions |
| CN101501151A (en) * | 2006-08-04 | 2009-08-05 | 日立化成工业株式会社 | Adhesive composition and connection structure for circuit member |
| CN101538346A (en) * | 2008-03-17 | 2009-09-23 | 迎辉科技股份有限公司 | Monomer composition for preparing light-gathering sheet and application thereof |
| CN101367893A (en) * | 2008-09-01 | 2009-02-18 | 长兴化学工业股份有限公司 | Polymerizable composition and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周磊.2011101338825.《STN检索报告》.2012, * |
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