CN101820001A - Packaging adhesive film for solar cell - Google Patents
Packaging adhesive film for solar cell Download PDFInfo
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- CN101820001A CN101820001A CN201010160589A CN201010160589A CN101820001A CN 101820001 A CN101820001 A CN 101820001A CN 201010160589 A CN201010160589 A CN 201010160589A CN 201010160589 A CN201010160589 A CN 201010160589A CN 101820001 A CN101820001 A CN 101820001A
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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
- 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 relates to a packaging adhesive film for a solar cell, which can effectively prolong scorch time T2 and improve the processing and packaging properties of an EVA adhesive film on the basis of small change on total cross-linking time TC. The packaging adhesive film for the solar cell contains a copolymer of ethylene-vinyl acetate (EVA), a cross-linking agent, a cross-linking inhibitor and a radical trap, wherein, the masses of the cross-linking inhibitor and the radical trap are respectively 0.1-1.0% and 0-0.3% of the mass of the ethylene-vinyl acetate copolymer, and the cross-linking time of the packaging adhesive film for the solar cell is 10-30min. In the invention, the cross-linking inhibitor and the radical trap are added based on the formula of the existing packaging adhesive film for the solar cell to form a stable molecular structure with active radicals generated in the peroxide cross-linking agent, thus effectively preventing early-stage cross-linking and over cross-linking, and effectively prolonging the scorch time T2 on the basis of guaranteeing the total cross-linking time TC to meet the requirements.
Description
Technical field
The present invention relates to a kind of packaging adhesive film for solar cell, particularly relating to the ethylene-vinyl acetate copolymer is the solar cell heat-sealing glued membrane of primary raw material.
Background technology
Toughened glass 1, packaging adhesive film 2, battery sheet 3, packaging adhesive film 2, TPT backboard 4 are stacked in order,,, promptly can be made into thin-film solar cells with laminating machine vacuum lamination 15min～30min curing molding at 130 ℃～170 ℃.The structure of the solar module of process packaging adhesive film for solar cell encapsulation as shown in Figure 1.
Packaging adhesive film for solar cell, be to be primary raw material with EVA, cooperate function additives such as peroxide cross-linking agent, assistant crosslinking agent, coupling agent, antioxidant, ultra-violet stabilizer, process through technical processs such as melting mixing, curtain coating casting sheet, side cut rollings.The primary raw material of packaging adhesive film for solar cell itself is thermoplastic macromolecule, after the peroxide crosslinking reaction, has then become all very excellent elastomeric material of elasticity, mechanical property, adhesive property.
With regard to producing solar cell, if laminating temperature is low more, the lamination time is short more, production efficiency is just high more so.So can the glued membrane that be used for solar cell package be claimed, promptly curing temperature low more good more, The faster the better for curing cross-linking reaction.Satisfy this requirement, need in the packaging adhesive film prescription, use at laminating temperature half-life short peroxide and vulcanization accelerator.
With regard to producing packaging adhesive film for solar cell, if use at laminating temperature half-life short peroxide and vulcanization accelerator, be easy to so under temperature and the strong double action of shearing of screw extruder, because the crosslinked material that causes loses flowability, thereby in screw extruder and die head, form putty and make the course of processing interrupt.
As seen, glued membrane machine-shaping is crossed range request and can not be taken place crosslinkedly in early days, takes place perhaps that long more, degree of early stage crosslinked time is light more then to help machine-shaping more; And glued membrane use requirement, material, to finish sulfuration as early as possible after long sulfuration induction period in experience, can improve manufacture of solar cells efficient like this.
In material extrusion molding process, because early stage crosslinked generation is arranged, moment of torsion can be increasing.One, moment of torsion increases by 2 moment of torsion units on the minimum value basis, and at this moment material is owing to the crosslinked flowability that lost, and the pairing time is the yardstick of weighing material flowability, is referred to as process safety time or time of scorch, uses T
2Expression, it is a parameter of weighing the EVA processing characteristics.When producing the EVA glued membrane, need experience melting mixing, curtain coating casting sheet step usually, may cause cross-linking reaction, if time of scorch T
2Longer, then reduced the possibility that cross-linking reaction takes place greatly, be not prone to the curing phenomenon in the production, be beneficial to the EVA glued membrane that obtains good fluidity, be used for the encapsulation of solar cell.And when solar cell package, time of scorch T
2Longer, EVA keeps time of fluidity longer, then is beneficial to the vacuumize degassing in early stage.
In order product to be reached meet the degree of cross linking of service condition, need to add (with respect to 100 mass parts EVA) crosslinking agent of 0.4～1.5 mass parts, in this scope, under the laminating temperature of producing solar cell, there are the relation as Fig. 1 in crosslinking time and mixing moment of torsion.Among Fig. 1: there is minimum torque value ML at A point place.B point place torque value is located big 2 units than A point, is ML+2, and time corresponding is T
2There is the highest torque value MH at C point place, and the used time is total crosslinking time T
cBefore the time point Z is warm-up time.As can be seen, arrive warm-up time after, moment of torsion is along with the variation of crosslinking time is first reduction, the back raises, the melting stage of corresponding EVA of decline stage, the crosslinking curing stage of the corresponding EVA of ascent stage.
In order to enhance productivity, people wish to reduce total crosslinking time T as far as possible
CCrosslinking time depends on half-life, consumption and the lamination curing temperature of crosslinking agent, and the half-life of crosslinking agent is long more, and crosslinking time is long more; The lamination curing temperature is high more, and crosslinking time is short more; Dosage of crosslinking agent increases, and crosslinking rate is accelerated, and crosslinking time shortens, but excessive use crosslinking agent easily produces bubble, has reduced light transmittance.No matter adopt above-mentioned which kind of means to shorten crosslinking time, T
2And T
CThe capital changes synchronously, i.e. T
CShorten, simultaneously T
2Also can shorten.
This is a pair of contradiction, because the existence of this problem, the speed that causes making at present the packaging adhesive film for solar cell production line is lower.
Therefore, the processing of EVA glued membrane, encapsulation performance and production efficiency have formed the contradiction that is difficult to be in harmonious proportion, and still find no the effect means at present, can both guarantee the production efficiency of solar cell package, can effectively improve processing, the encapsulation performance of EVA glued membrane again.
In addition, one is glass and TPT film for the protective layer material in the solar cell, and glass is inorganic material and surface smoothing, and TPT is the difficult sticking material of macromolecule, and this makes that adhesive strength and persistence between EVA glued membrane and the protective layer are not high.
Summary of the invention
The invention provides a kind of packaging adhesive film for solar cell, can guarantee total crosslinking time T
CChange under the little prerequisite, effectively prolong time of scorch T
2, processing, the encapsulation performance of raising EVA glued membrane.
Described packaging adhesive film for solar cell contains ethylene-vinyl acetate copolymer, crosslinking agent, cross-linked inhibitor and free radical scavenger, wherein the quality of cross-linked inhibitor and free radical scavenger is respectively 0.1%～1.0% of ethylene-vinyl acetate copolymer quality, 0～0.3%, the crosslinking time of described packaging adhesive film for solar cell is 10～30 minutes.
Described cross-linked inhibitor is anhydrous acrylate metal salt, anhydrous methacrylate slaine, stearic acid, polyethylene glycol, ethene polymers, ethylene propylene copolymer, ethylene, propylene butylene copolymer, butadiene polymer and derivative or polymeric cyclopentadiene and derivative thereof; Described free radical scavenger is 3,4-4-dihydroxy benzaldehyde, 1,1-diphenyl-2-trinitrophenyl-hydrazine, 2-methyl-2-nitroso methane, 2-methyl-2-nitroso propane, 3-aryl benzofuranone or 5,5-dimethyl-1-oxidation pyrrolin, be preferably ethene polymers, ethylene propylene copolymer, ethylene, propylene butylene copolymer, butadiene polymer or derivatives thereof or polymeric cyclopentadiene or derivatives thereof, more preferably ethene polymers, ethylene propylene copolymer, butadiene polymer or polymeric cyclopentadiene.
The quality of described crosslinking agent is 0.4%～1.5% of an ethylene-vinyl acetate copolymer quality.Described crosslinking agent can adopt the crosslinking agent commonly used of EVA glued membrane, as 2,2-two (tert-butyl hydroperoxide) butane, 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 1,1-(two tert-butyl peroxide)-3,3, the 5-trimethyl-cyclohexane, peroxidized t-butyl perbenzoate, peroxidating carbonic acid-2 ethyl hexanoic acid the tert-butyl ester, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, di-t-butyl peroxide or 1, the 1-cyclohexane di-tert-butyl peroxide, the preferred crosslinking agent that adopts is 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite or 1,1-(two tert-butyl peroxide)-3,3, the 5-trimethyl-cyclohexane.
The content of vinyl acetate is 25%～40% in the described ethylene-vinyl acetate copolymer.
Can also contain ultra-violet absorber, antioxidant, light stabilizer and tackifier according to prior art in the described packaging adhesive film for solar cell.
Described ultra-violet absorber is 2-hydroxyl-4-methoxy benzophenone, 2,4-dihydroxy benaophenonel, 2-hydroxyl-4-just-dodecyloxy benzophenone, UV-531 or 2,2-dihydroxy-4,4-dimethoxy-benzophenone.
Described antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphite ester, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or β-positive octadecanol ester of (4-hydroxy phenyl-3,5 di-tert-butyl-phenyl) propionic acid.
Described light stabilizer is tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester), two (2,2,6,6-tetramethyl-4-piperidyl) sebacate or two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) diester in the last of the ten Heavenly stems.
Described silane coupler is vinyl Ethoxysilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, β-(3,4-epoxy radicals cyclohexyl) ethyl trimethoxy silane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-r-chloropropyl trimethoxyl silane, vinyl trichlorosilane, vinyltriacetoxy silane or gamma-aminopropyl-triethoxy-silane.
If the crosslinking agent among the EVA is long in the laminating temperature half-life, so the lamination time elongated, be unfavorable for promoting production efficiency.Therefore, wish to obtain the higher degree of cross linking in the short as far as possible time, generally use at the short crosslinking agent of laminating temperature half-life to improve crosslinking rate for this reason, one carries out laminated into type under 130～170 ℃.
There are the relation as Fig. 2 in dosage of crosslinking agent and crosslinking time.Along with the increase of dosage of crosslinking agent, crosslinking rate is accelerated, and crosslinking time shortens, but the too short easy generation bubble of crosslinking time has reduced light transmittance, and desirable crosslinking time is 15～20 minutes.
The present invention is on existing packaging adhesive film for solar cell prescription basis, add a class cross-linked inhibitor and a free radical scavenger, can form the stable molecule structure with the living radical that produces in the peroxide cross-linking agent, effectively prevention is early stage crosslinked and excessively crosslinked, thereby guarantees total crosslinking time T
COn the basis that meets the demands, effectively prolong time of scorch T
2
Compared with prior art, the present invention has the following advantages:
(1) under the prerequisite that does not influence other performance of EVA glued membrane, adjust the degree of cross linking by the addition of regulating cross-linked inhibitor and free radical scavenger, improved processing characteristics, can guarantee the production efficiency of solar cell package.
(2) by adding cross-linked inhibitor, at the crosslinked total time T that finishes of EVA glued membrane
CUnder the constant situation, can prolong the time of scorch T of EVA
2, more help the production of EVA glued membrane.
(3) compare with the EVA glued membrane that does not add cross-linked inhibitor, the EVA glued membrane adhesive strength that the present invention relates to increases to some extent, has more effectively protected solar cell device, has completely cut off oxygen, moisture better, has prolonged the useful life of solar cell.
Description of drawings
Fig. 1 is the solar module structure chart;
Fig. 2 is mixing moment of torsion-crosslinking time figure;
Fig. 3 is crosslinking time-crosslinked spirogram of using;
Fig. 4 is the rheological curve of homemade commercially available prod;
Fig. 5 is the rheological curve of comparative example 2;
Fig. 6 is the rheological curve of embodiment 1.
Embodiment
The present invention will be described in more detail below in conjunction with example, and the evaluation method of using in the implementation example is as follows:
(1) degree of cross linking
Crosslinked EVA glued membrane is cut into fractionlet, be put in formation sample bag in the 120 order stainless steel mesh bags after accurately taking by weighing appropriate mass, weighing mesh bag and sample gross weight, the sample bag is suspended in the flask of reflux with copper wire, with dimethylbenzene is that solvent boiling reflux 5 hours are (for preventing the crosslinked once again of sample, the antioxidant that can add mass fraction 1%), cooling, take out sample bag, hang to remove excessive solvent, put into vacuum drying oven again and dried by the fire 3 hours down, take out sample bag and in drier, cooled off 15 minutes at 140 ℃, take out weighing, calculate the degree of cross linking.
(2) adhesive strength
Detect according to standard GB/T 2790-1995.
(3) mixing moment of torsion
The EVA glued membrane is cut into granular, takes by weighing an amount of sample, use torque rheometer, obtain its rheological curve under laminating temperature.
Comparative example 1
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 0.8 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 0.25 part of 2-hydroxyl-4-methoxy benzophenone, 0.25 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.3 part of γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane mix under 80 ℃, make the EVA packaging adhesive film for solar cell.
Comparative example 2
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 0.25 part of 2-hydroxyl-4-methoxy benzophenone, 0.25 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.3 part of gamma-aminopropyl-triethoxy-silane mix under 80 ℃, make the EVA packaging adhesive film for solar cell.
Comparative example 3
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.4 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 0.25 part 2,4-dihydroxy benaophenonel, 0.25 part of three (2, the 4-di-tert-butyl-phenyl) phosphite ester, 0.2 part of two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems, diester, 0.3 part of gamma-aminopropyl-triethoxy-silane mixed under 80 ℃, made the EVA packaging adhesive film for solar cell.
Comparative example 4
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 1,1-(two tert-butyl peroxide)-3,3,5-trimethyl-cyclohexane, 0.25 part 2,4-dihydroxy benaophenonel, 0.25 part of four [(β-3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate mixes under 80 ℃, makes the EVA packaging adhesive film for solar cell.
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 0.25 part 2, the 4-dihydroxy benaophenonel, 0.25 part four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.3 part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.3 part polymeric cyclopentadiene, 0.1 part 1,1-diphenyl-2-trinitrophenyl-hydrazine mixes under 80 ℃, makes the EVA packaging adhesive film for solar cell.
Embodiment 2
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 2,5-dimethyl-2, two (t-butyl peroxy) hexanes of 5-, 0.25 part 2,4-dihydroxy benaophenonel, 0.25 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2 part two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 0.3 part of γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.2 part of butadiene polymer, 0.2 part 1,1-diphenyl-2-trinitrophenyl-hydrazine mixes under 80 ℃, makes the EVA packaging adhesive film for solar cell.
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 1,1-(two tert-butyl peroxide)-3,3, the 5-trimethyl-cyclohexane, 0.25 part 2, the 4-dihydroxy benaophenonel, 0.25 part β-(4-hydroxy phenyl-3,5 di-tert-butyl-phenyls) the positive octadecanol ester of propionic acid, 0.2 part two (1-octyloxies-2,2,6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems diester, 0.3 part γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.4 part Tissuemat E, 0.05 part 3, the 4-4-dihydroxy benzaldehyde mixes under 80 ℃, makes the EVA packaging adhesive film for solar cell.
Embodiment 4
In mass fraction, with 100 parts of VA content is 30% EVA material grain, 1.1 part 1,1-(two tert-butyl peroxide)-3,3,5-trimethyl-cyclohexane, 0.25 part 2,4-dihydroxy benaophenonel, 0.25 part of β-(4-hydroxy phenyl-3,5 di-tert-butyl-phenyls) the positive octadecanol ester of propionic acid, 0.2 part of two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) last of the ten Heavenly stems, diester, 0.3 part of γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, 0.4 part of ethylene propylene copolymer mixed under 80 ℃, made the EVA packaging adhesive film for solar cell.
The present invention detects the prepared crosslinked back of EVA glued membrane the adhesive strength of the degree of cross linking and glass, and testing result sees Table 1.
The table 1 EVA glued membrane degree of cross linking reaches the adhesive strength with glass
| The EVA glued membrane | The degree of cross linking (%) | Adhesive strength (N/cm) with glass |
| Comparative example 1 | ??85.3 | ??36.6 |
| Comparative example 2 | ??88.2 | ??39.5 |
| Comparative example 3 | ??92.0 | ??43.1 |
| Comparative example 4 | ??87.5 | ??30.5 |
| |
??82.7 | ??51.9 |
| Embodiment 2 | ??83.6 | ??53.1 |
| |
??80.2 | ??54.8 |
| Embodiment 4 | ??80.6 | ??54.2 |
Obtain vulcanizing data according to the rheological curve of Fig. 4-6 and see Table 2.
Table 2 EVA glued membrane sulfuration data
| The EVA glued membrane | ??ML(Nm) | ??T 2 | ??T C(containing preheating) |
| Homemade commercially available prod | ??4.6 | ??5′20″ | ??15′25″ |
| Comparative example 1 | ??5.1 | ??4′55″ | ??14′09″ |
| The EVA glued membrane | ??ML(Nm) | ??T 2 | ??T C(containing preheating) |
| Comparative example 2 | ??5.9 | ??4′0″ | ??12′15″ |
| Comparative example 3 | ??6.2 | ??3′34″ | ??10′32″ |
| Comparative example 4 | ??5.8 | ??3′55″ | ??12′17″ |
| |
??4.2 | ??10′29″ | ??15′18″ |
| Embodiment 2 | ??4.5 | ??9′12″ | ??14′24″ |
| |
??4.3 | ??10′40″ | ??15′51″ |
| Embodiment 4 | ??4.3 | ??10′43″ | ??15′46″ |
Getting homemade commercially available prod, comparative example 2 and embodiment 1 uses torque rheometer to detect the acquisition rheological curve respectively.
The above only is an inventive embodiments, be not that the present invention is done any pro forma restriction, any personnel that are familiar with this technology can utilize above-mentioned technology contents to be changed or be modified to the equivalent embodiment of equivalent variations, every content that does not break away from technical solution of the present invention all belongs to the technical solution of the present invention scope.
Claims (9)
1. packaging adhesive film for solar cell, it is characterized in that, it contains ethylene-vinyl acetate copolymer, crosslinking agent, cross-linked inhibitor and free radical scavenger, wherein the quality of cross-linked inhibitor and free radical scavenger is respectively 0.1%～1% of ethylene-vinyl acetate copolymer quality, 0～0.3%, the crosslinking time of described packaging adhesive film for solar cell is 10～30 minutes.
2. packaging adhesive film for solar cell as claimed in claim 1, it is characterized in that described cross-linked inhibitor is anhydrous acrylate metal salt, anhydrous methacrylate slaine, stearic acid, polyethylene glycol, ethene polymers, ethylene propylene copolymer, ethylene, propylene butylene copolymer, butadiene polymer and derivative or polymeric cyclopentadiene and derivative thereof; Described free radical scavenger is 3,4-4-dihydroxy benzaldehyde, 1,1-diphenyl-2-trinitrophenyl-hydrazine, 2-methyl-2-nitroso methane, 2-methyl-2-nitroso propane, 3-aryl benzofuranone or 5,5-dimethyl-1-oxidation pyrrolin.
3. packaging adhesive film for solar cell as claimed in claim 1 or 2 is characterized in that, the quality of described crosslinking agent is 0.4～1.5% of an ethylene-vinyl acetate copolymer quality.
4. packaging adhesive film for solar cell as claimed in claim 3, it is characterized in that, described crosslinking agent is 2,2-two (tert-butyl hydroperoxide) butane, 2,5-dimethyl-2, two (t-butyl peroxy) hexanes, 1 of 5-, 1-(two tert-butyl peroxide) 3,3,5-trimethyl-cyclohexane, peroxidized t-butyl perbenzoate, the peroxidating carbonic acid-2 ethyl hexanoic acid tert-butyl ester, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, di-t-butyl peroxide or 1,1-cyclohexane di-tert-butyl peroxide.
5. packaging adhesive film for solar cell as claimed in claim 1 or 2 is characterized in that, the content of vinyl acetate is 25%～40% in the described ethylene-vinyl acetate copolymer.
6. packaging adhesive film for solar cell as claimed in claim 1 or 2 is characterized in that, also contains ultra-violet absorber, antioxidant, light stabilizer and tackifier in the described packaging adhesive film for solar cell.
7. packaging adhesive film for solar cell as claimed in claim 6, it is characterized in that, described ultra-violet absorber is 2-hydroxyl-4-methoxy benzophenone, 2,4-dihydroxy benaophenonel, 2-hydroxyl-4-just-dodecyloxy benzophenone, UV-531 or 2,2-dihydroxy-4, the 4-dimethoxy-benzophenone.
8. packaging adhesive film for solar cell as claimed in claim 6, it is characterized in that, described antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphite ester, tricresyl phosphite (single nonyl benzene and dinonyl benzene mixed ester), four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or β-positive octadecanol ester of (4-hydroxy phenyl-3,5 di-tert-butyl-phenyl) propionic acid.Packaging adhesive film for solar cell as claimed in claim 6 is characterized in that, described light stabilizer is a tricresyl phosphite (1,2,2,6,6-pentamethyl piperidines ester), two (2,2,6,6-tetramethyl-4-piperidyl) sebacate or two (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) diester in the last of the ten Heavenly stems.
9. packaging adhesive film for solar cell as claimed in claim 6, it is characterized in that, described tackifier are vinyl Ethoxysilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, β-(3,4-epoxy radicals cyclohexyl) ethyl trimethoxy silane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-r-chloropropyl trimethoxyl silane, vinyl trichlorosilane, vinyltriacetoxy silane or gamma-aminopropyl-triethoxy-silane.
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| CN102655181A (en) * | 2011-03-03 | 2012-09-05 | 昆山恒辉新能源有限公司 | Solar cell packaging process |
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| CN103642411A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) adhesive film for solar cell packaging and preparation method thereof |
| CN103642412A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) adhesive film for solar cell packaging and preparation method thereof |
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| CN103642412A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) adhesive film for solar cell packaging and preparation method thereof |
| CN103642411A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) adhesive film for solar cell packaging and preparation method thereof |
| CN108239486A (en) * | 2016-12-26 | 2018-07-03 | 阿特斯阳光电力集团有限公司 | Anti- snail line EVA adhesive film |
| CN111458264A (en) * | 2019-01-18 | 2020-07-28 | 中国石油天然气股份有限公司 | Method and device for testing crosslinking time of gel type fracturing fluid |
| CN111524987A (en) * | 2020-05-27 | 2020-08-11 | 常州汉韦聚合物有限公司 | Dual glass assembly and method of laminating the same |
| CN111524987B (en) * | 2020-05-27 | 2022-03-08 | 常州汉韦聚合物有限公司 | Dual glass assembly and method of laminating the same |
| CN117125714A (en) * | 2023-10-27 | 2023-11-28 | 宁德时代新能源科技股份有限公司 | Silicon-based material and preparation method thereof, negative electrode plate, battery and electric equipment |
| CN117125714B (en) * | 2023-10-27 | 2024-03-29 | 宁德时代新能源科技股份有限公司 | Silicon-based material and preparation method thereof, negative electrode plate, battery and electric equipment |
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