CN102863915A - Ultraviolet-aging-resistant solar cell packaging rubber film and preparation method thereof - Google Patents
Ultraviolet-aging-resistant solar cell packaging rubber film and preparation method thereof Download PDFInfo
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- CN102863915A CN102863915A CN2012103393906A CN201210339390A CN102863915A CN 102863915 A CN102863915 A CN 102863915A CN 2012103393906 A CN2012103393906 A CN 2012103393906A CN 201210339390 A CN201210339390 A CN 201210339390A CN 102863915 A CN102863915 A CN 102863915A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Photovoltaic Devices (AREA)
Abstract
The invention relates to an ultraviolet-aging-resistant solar cell packaging rubber film and a preparation method thereof. The rubber film comprises the following components in parts by mass: 100 parts of polymer resin, 1-50 parts of polar resin, 0.8-1.4 parts of cross-linking curing agent, 0.05-0.15 part of cross-linking curing accelerator, 0.2-0.6 part of tackifier, 0.1-0.5 part of antioxidant, 0.05-0.25 part of ultraviolet stabilizer and 0.05-0.25 part of ultraviolet absorber. The preparation method of the ultraviolet-aging-resistant solar cell packaging rubber film comprises the following steps of: 1) evenly mixing the raw materials according to proportions to obtain mixture; and 2) pouring the mixture into an extruder for mixing and plasticizing to obtain extruded materials, casting and calendaring the extruded materials to form a film, shaping through cooling and drawing, and finally winding the film. The ultraviolet-aging-resistant solar cell packaging rubber film provided by the invention has the advantages of long outdoor service life, high light transmittance, high toughness and small shrinkage rate; and the preparation method provided by the invention has the advantages of low cost and simplicity in operation.
Description
Technical field
The invention belongs to used for encapsulation of solar battery glued membrane and preparation field thereof, particularly a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane and preparation method thereof.
Background technology
Along with in short supply, the deterioration of environment of resource and the sustainable growth of energy cost, be the energy so that numerous country has turned to the sight of noting renewable, wherein sun power enjoys attention.No matter from the quantity of resource, the ubiquity of distribution, or the reliability from episodic, technology, sun power all has more superiority than other renewable energy sources, be a kind of inexhaustible non-carbon-emitting green energy resource, and solar cell is exactly the main direction that sun power utilizes.
Solar cell is called again " solar chip " or photocell, is a kind of optoelectronic semiconductor thin slice that utilizes the sunlight direct generation of electricity, is subject to illumination, just can instant output voltage and electric current.The kind of solar cell is a lot, wherein the monocrystaline silicon solar cell efficiency of conversion is the highest, technology is also ripe, efficient during scale production is that 18%(was by the end of 2011), dominate still in large-scale application and industrial production, but because the silicon single crystal cost value is high, its cost of decrease is very difficult, in order to save silicon materials, polysilicon membrane and amorphous silicon membrane have been developed as the substitute products of monocrystaline silicon solar cell.Multi-crystal silicon film solar battery and silicon single crystal comparative costs are cheap, soon will be in solar cell market dominate.
In the practical application of solar cell, if silicon chip directly contacts outside atmosphere, its photoelectric transformation efficiency is decay rapidly, and loses use value.Therefore, must protect solar cell by a kind of packaged material.Before this century the eighties, once tried out liquid silicone resin and polyvinyl butyral resin sheet (PVB) both at home and abroad, all high because of price, execution conditions are harsh, physical property is bad is eliminated.Using maximum packaged materials on the market now is ethylene-vinyl acetate polymkeric substance (EVA), yet still there is easy xanthochromia in the EVA glued membrane, the shortcomings such as anti-ultraviolet ageing deficiency.Seek a kind of solar cell package material with excellent performance and become one of main target of each production firm.
According to the characteristics of solar cell, packaged material must satisfy following condition: at first, packaged material must have sufficiently high transmittance, to guarantee the battery component after the encapsulation higher photoelectric transformation efficiency is arranged; Secondly, packaged material need to have good anti-ultraviolet ageing performance and photo and thermal stability, with the long high-efficiency operation of battery; In addition, the moisture-proof permeability to gas of packaged material also will reach certain requirement, otherwise cell piece also can lose its photoelectric conversion capacity under the erosion of steam.
Summary of the invention
Technical problem to be solved by this invention provides a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane and preparation method thereof; this used for encapsulation of solar battery glued membrane long service life, transmittance are high; and good toughness, shrinking percentage are low, and this preparation method is simple to operate, is produced on a large scale.
A kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane of the present invention, its components in mass portion number comprises:
100 parts of fluoropolymer resins,
Polar resin 1-50 part,
Crosslinking and curing agent 0.8-1.4 part,
Crosslinking curing promotor 0.05-0.15 part,
Tackifier 0.2-0.6 part,
Oxidation inhibitor 0.1-0.5 part,
UV light stabilizing agent 0.05-0.25 part,
Ultraviolet absorbers 0.05-0.25 part.
Described ultraviolet absorbers is rutile titanium dioxide or aerosil.
Described fluoropolymer resin is one or more in the copolymer of alpha-olefin.
Described alpha-olefin is one or more in ethene, propylene, butylene, hexene, the octene.
Described fluoropolymer resin is specially one or more in ethylene-butene copolymer, ethylene-propylene copolymer, ethene-hexene copolymer, ethylene-octene copolymer, propylene-octene Copolymer, propylene-hexene copolymer, the butylene-octene copolymer.
Described polar resin is polar group graft modification functional resin, perhaps polar group multi-component copolymer functional resin.
The blend graft modified product of the resins such as multipolymer (POE) that described polar group graft modification functional resin is polar monomer and polyethylene, polypropylene, polybutene, ethene and octene; Described polar monomer is one or more in maleic anhydride, glycidyl methacrylate, the acrylate.
Described polar group multi-component copolymer functional resin is the polynary polar copolymer that one or more copolymerization in the olefinic monomers such as polar monomer and ethene, propylene, butylene, hexene, octene form; Described polar monomer is one or more in maleic anhydride, glycidyl methacrylate or the acrylate.
Described polar group graft modification functional resin is specially the Research of Grafting Malaic Anhydride Onto Polyethylene multipolymer, the polycthylene grafted acryhic ester copolymer, the polypropylene grafted maleic anhydride multipolymer, polypropylene grafted glycidyl methacrylate copolymer, polybutene grafted maleic anhydride multipolymer, polybutene graft acrylic acid ester copolymer, POE grafted maleic anhydride multipolymer, POE graft acrylic acid ester copolymer, POE grafting alkylmethacrylate polymer, polyvinyl-maleic anhydride-acrylate graft copolymers, in POE-maleic anhydride-glycidyl methacrylate graft multipolymer one or more;
Described polar group multi-component copolymer functional resin is specially one or more in ethylene-propylene-maleic anhydride terpolymer, ethene-butylene-maleic anhydride terpolymer, butylene-octene-acrylate terpolymer, the ethylene-acrylate-maleic anhydride terpolymer.
Described crosslinking and curing agent is tert-butyl hydroperoxide 2-ethylhexyl carbonic ether.
Described crosslinking curing promotor is triallyl isonitrile urate.
Described tackifier are the r-glycidyl ether oxygen propyl trimethoxy silicane.
Described oxidation inhibitor is two (2,4-dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythritol diphosphite, one or more in three (nonyl phenyl) phosphorous acid ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.
Described UV light stabilizing agent is poly-succinic (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines ethanol) ester or two (2,2,6,6-tetramethyl--4-piperidyl) sebate.
The preparation method of a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane of the present invention comprises:
(1) by proportioning each raw material is mixed, get mixture;
(2) said mixture is poured into forcing machine and carried out mixing plasticizing, extruder temperature is controlled at 50-100 ℃ (preferred 82-88 ℃), the gained extrudate is carried out film forming through curtain coating, calendering, carry out shaping by cooling, traction, namely get anti-ultraviolet, anti-xanthochromia, aging-resistant packaging adhesive film for solar cell by winding process at last.
The present invention is directed to that used for solar batteries packaging adhesive film uvioresistant is indifferent in the market, the shortcoming that ageing-resistant performance is inadequate provides a kind of effectively uvioresistant, anti-xanthochromia, ageing-resistant polymer packaging material.
The present invention has following features:
1. the advantages such as to have price low for the fluoropolymer resin among the present invention, and relative density is little, and volume is cheap, and thermotolerance, winter hardiness are excellent, and weathering resistance, ageing resistance are good.
2. the present invention compares with traditional product, and adopting rutile type nano titanic oxide or electrodeless nano grade gas phase silicon dioxide is ultraviolet absorbers, has avoided the reaction between traditional product usefulness phenylbenzene ketone absorption agent and the peroxide radical.Chromophore quinone Wei that reaction produces, as:
Rutile type nano TiO
2It is a kind of novel inorganic nano semiconductor material, have significant nano effect, surface and interface effect and quantum size effect, the physical features sizes such as the coherence length of its size and ultraviolet wavelength, de broglie wavelength and superconducting state or transmission depth quite or less, this moment periodic boundary condition with destroyed, the optical property that material production is special.Rutile type nano TiO on the macroscopic view
2In the ultraviolet region of solar spectrum very large absorption is arranged, has excellent ultravioletlight screening characteristic, it can be ultraviolet by the small part that the large specific surface behind the super-refinement and interface diffuse scattering fall in the packaging adhesive film, and absorb behind most of ultraviolet energy by transition of electron and to discharge to vibrate other form such as heat or fluorescence by the compound of electron-hole pair again, avoided polymer molecular chain to absorb fracture after the ultraviolet ray of high energy.On the other hand, rutile type nano TiO
2Ultraviolet sorption is protected the organic ultraviolet photostabilizer effectively, so that they can bring into play usefulness within the longer time, slowed down the aging speed of packaged material.
The unique texture of aerosil is so that have stronger light reflective in the ultraviolet-visible optical range, near but the absorption peak that wavelength=230 nanometers, has an intensity to differ, weakened the transmittance of UV-light, ultraviolet absorption below 300 nanometers and reflection are reached 100%, therefore improved the resistance to UV aging energy of packaging adhesive film.And, because the aerosil stable performance, not with body series in other organism reactions, therefore do not have the generation of chromophore moieties.
The present invention reaches requirement in the cohesive strength of guaranteeing polymer encapsulated glued membrane and glass, TPT, be that polymkeric substance/glass is 40-55N/cm, polymkeric substance/TPT is under the prerequisite of 38-54N/cm, select suitable adjuvant system, it is satisfied requires: (1) can effectively reduce UV-light to the destruction of polymkeric substance, prolongs the outdoor work-ing life of packaging adhesive film; (2) can effectively reduce the UV-light that enters backboard, increase the work-ing life of backboard; (3) reduce or removed the consumption of organic ultraviolet light absorber so that coloured group that the organic ultraviolet light absorber in use produces greatly reduces, from but transmittance remains on higher level; (4) inorganic nano-particle of blend can effectively strengthen the toughness of glued membrane as the physical crosslinking point, and reduces shrinking percentage.
The prepared thickness of embodiments of the invention 1-5 is that the cohesive strength of 0.5 millimeter glued membrane and glass, TPT is 40-55N/cm, 38-54N/cm, and its used standard is GB/T2790-1995.
The performance test scheme:
(1) ultraviolet light and aging:
Carried out the uv irradiation burn-in test, test condition according to International Electrotechnical Commission Standard IEC61345 specified requirement:
60 ± 5 ℃ of specimen surface temperature, test period 2000 hours
Wavelength: 280-400 nanometer, irradiation intensity are 1.5Kwh/m
2
Xanthochromia index (Δ YI) is analyzed by GB2409-80 " plastics xanthochromia index test method ".
(2) wet and heat ageing resistant performance
Carry out the hydrothermal aging test by the GB/T2423.3 test method
Test conditions: 85 ℃ of temperature, relative humidity 85%, 2000 hours time
Xanthochromia index (Δ YI) is analyzed by GB2409-80 " plastics xanthochromia index test method ".
(3) thermo-oxidative ageing:
Test conditions: 100 ℃ of temperature, 2000 hours time
Xanthochromia index (Δ YI) is analyzed by GB2409-80 " plastics xanthochromia index test method ".
The packaging adhesive film for solar cell that embodiment of the invention 1-5 obtains the results are shown in Table 1 through above-mentioned testing method after testing:
The test result of table 1 embodiment of the invention 1-5 products obtained therefrom
The above results proves, the packaging adhesive film for solar cell that this invention is produced is at aspect of performances such as ultraviolet aging resistance, anti-xanthochromia and thermo-oxidative ageings, the continuous 2000 hours test after yellowing index of process all is lower, so the packaging adhesive film for solar cell that the present invention produces can reach more than 30 years by Assurance component work-ing life.
Beneficial effect:
(1) used for encapsulation of solar battery glued membrane of the present invention can effectively reduce UV-light to the destruction of polymkeric substance, prolongs the outdoor work-ing life of packaging adhesive film; Can effectively reduce the UV-light that enters backboard, increase the work-ing life of backboard; And transmittance is high, good toughness, shrinking percentage are low;
(2) preparation method's cost of the present invention is low, simple to operate, is produced on a large scale.
Description of drawings
Fig. 1 is aqeous suspension uv-visible absorption spectroscopy (a) and the transmitted spectrum (b) of the Rutile type Titanium Dioxide that adopts among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
To add the polar resin POE grafted maleic anhydride multipolymer of 5 weight parts in 100 parts of mass parts propylene-octene Copolymer raw materials, the crosslinking and curing agent tert-butyl hydroperoxide 2-ethylhexyl carbonic ether of 1 mass parts, 0.1 the crosslinking curing promotor triallyl isonitrile urate of mass parts, 0.5 three grades of TMOSs of mass parts tackifier r-glycidyl ether oxygen propyl, 0.2 the oxidation inhibitor distearyl pentaerythritol diphosphite of mass parts, 0.25 UV light stabilizing agent poly-succinic (the 4-hydroxyl-2 of the ultraviolet absorbers Rutile type Titanium Dioxide of mass parts and 0.1 mass parts, 2,6,6-tetramethyl--1-1 piperidines ethanol) ester mixes rear input forcing machine and carries out mixing plasticizing, extruder temperature is controlled at 82 ℃, with the gained extrudate through curtain coating, film forming is carried out in calendering, by cooling, shaping is carried out in traction, and namely making thickness by winding process at last is 0.5 millimeter packaging adhesive film for solar cell F-1.
Embodiment 2
To add the polar resin POE graft acrylic acid ester copolymer of 10 weight parts in 100 parts of mass parts ethylene-propylene copolymer raw materials, the crosslinking and curing agent tert-butyl hydroperoxide 2-ethylhexyl carbonic ether of 1 mass parts, 0.1 the crosslinking curing promotor triallyl isonitrile urate of mass parts, 0.5 three grades of TMOSs of mass parts tackifier r-glycidyl ether oxygen propyl, 0.2 the oxidation inhibitor three of mass parts (nonyl phenyl) phosphorous acid ester, 0.25 the ultraviolet absorbers Rutile type Titanium Dioxide of mass parts and the UV light stabilizing agent of 0.1 mass parts two (2,2,6,6-tetramethyl--4-piperidyl) sebate mixes rear input forcing machine and carries out mixing plasticizing, extruder temperature is controlled at 83 ℃, with the gained extrudate through curtain coating, film forming is carried out in calendering, by cooling, shaping is carried out in traction, and namely making thickness by winding process at last is 0.5 millimeter packaging adhesive film for solar cell F-2.
Embodiment 3
To add the polypropylene grafted glycidyl methacrylate copolymer of polar resin of 20 weight parts in 100 parts of mass parts ethylene-butene copolymer raw materials, the crosslinking and curing agent tert-butyl hydroperoxide 2-ethylhexyl carbonic ether of 1 mass parts, 0.1 the crosslinking curing promotor triallyl isonitrile urate of mass parts, 0.5 three grades of TMOSs of mass parts tackifier r-glycidyl ether oxygen propyl, 0.2 the oxidation inhibitor three (2 of mass parts, the 4-di-tert-butyl-phenyl) phosphorous acid ester, 0.25 UV light stabilizing agent poly-succinic (the 4-hydroxyl-2 of the ultraviolet absorbers aerosil of mass parts and 0.1 mass parts, 2,6,6-tetramethyl--1-1 piperidines ethanol) ester mixes rear input forcing machine and carries out mixing plasticizing, extruder temperature is controlled at 86 ℃, with the gained extrudate through curtain coating, film forming is carried out in calendering, by cooling, shaping is carried out in traction, and namely making thickness by winding process at last is 0.5 millimeter packaging adhesive film for solar cell F-3.
Embodiment 4
To add the polar resin ethylene-propylene-maleic anhydride terpolymer of 30 weight parts in 100 parts of mass parts ethylene-octene copolymer raw materials, 0.8 the crosslinking and curing agent tert-butyl hydroperoxide 2-ethylhexyl carbonic ether of mass parts, 0.05 the crosslinking curing promotor triallyl isonitrile urate of mass parts, 0.2 three grades of TMOSs of mass parts tackifier r-glycidyl ether oxygen propyl, 0.5 the oxidation inhibitor two (2 of mass parts, the 4-dicumylphenyl) pentaerythritol diphosphites, 0.15 the ultraviolet absorbers Rutile type Titanium Dioxide of mass parts and the UV light stabilizing agent of 0.25 mass parts two (2,2,6,6-tetramethyl--4-piperidyl) sebate mixes rear input forcing machine and carries out mixing plasticizing, extruder temperature is controlled at 88 ℃, with the gained extrudate through curtain coating, film forming is carried out in calendering, by cooling, shaping is carried out in traction, and namely making thickness by winding process at last is 0.5 millimeter packaging adhesive film for solar cell F-4.
Embodiment 5
To add the polar resin polyvinyl-maleic anhydride-acrylate graft copolymers of 50 weight parts in 100 parts of mass parts ethylene-propylene copolymer raw materials, 1.4 the crosslinking and curing agent tert-butyl hydroperoxide 2-ethylhexyl carbonic ether of mass parts, 0.15 the crosslinking curing promotor triallyl isonitrile urate of mass parts, 0.6 three grades of TMOSs of mass parts tackifier r-glycidyl ether oxygen propyl, 0.1 the oxidation inhibitor two (2 of mass parts, the 4-dicumylphenyl) pentaerythritol diphosphites, 0.05 UV light stabilizing agent poly-succinic (the 4-hydroxyl-2 of the ultraviolet absorbers aerosil of mass parts and 0.05 mass parts, 2,6,6-tetramethyl--1-1 piperidines ethanol) ester mixes rear input forcing machine and carries out mixing plasticizing, extruder temperature is controlled at 84 ℃, with the gained extrudate through curtain coating, film forming is carried out in calendering, by cooling, shaping is carried out in traction, and namely making thickness by winding process at last is 0.5 millimeter packaging adhesive film for solar cell F-5.
The component prescription (being mass parts) of each embodiment among the table 2 embodiment 1-5
Claims (10)
1. anti-ultraviolet ageing used for encapsulation of solar battery glued membrane, it is characterized in that: the components in mass portion number of this used for encapsulation of solar battery glued membrane comprises:
100 parts of fluoropolymer resins,
Polar resin 1-50 part,
Crosslinking and curing agent 0.8-1.4 part,
Crosslinking curing promotor 0.05-0.15 part,
Tackifier 0.2-0.6 part,
Oxidation inhibitor 0.1-0.5 part,
UV light stabilizing agent 0.05-0.25 part,
Ultraviolet absorbers 0.05-0.25 part.
2. a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane according to claim 1, it is characterized in that: described ultraviolet absorbers is rutile titanium dioxide or aerosil.
3. a kind of packaging adhesive film for solar cell according to claim 1 is characterized in that: described fluoropolymer resin is one or more in the copolymer of alpha-olefin.
4. a kind of packaging adhesive film for solar cell according to claim 3, it is characterized in that: described alpha-olefin is one or more in ethene, propylene, butylene, hexene, the octene.
5. a kind of packaging adhesive film for solar cell according to claim 1, it is characterized in that: described polar resin is polar group graft modification functional resin, perhaps polar group multi-component copolymer functional resin;
Described polar group graft modification functional resin is the blend graft modified product of polar monomer and polyethylene, polypropylene, polybutene or POE; Described polar monomer is one or more in maleic anhydride, glycidyl methacrylate, the acrylate;
Described polar group multi-component copolymer functional resin is the polynary polar copolymer that one or more copolymerization in polar monomer and ethene, propylene, butylene, hexene, the octene form; Described polar monomer is one or more in maleic anhydride, glycidyl methacrylate, the acrylate;
Described polar group graft modification functional resin is specially the Research of Grafting Malaic Anhydride Onto Polyethylene multipolymer, the polycthylene grafted acryhic ester copolymer, the polypropylene grafted maleic anhydride multipolymer, polypropylene grafted glycidyl methacrylate copolymer, polybutene grafted maleic anhydride multipolymer, polybutene graft acrylic acid ester copolymer, POE grafted maleic anhydride multipolymer, POE graft acrylic acid ester copolymer, POE grafting alkylmethacrylate polymer, polyvinyl-maleic anhydride-acrylate graft copolymers, in POE-maleic anhydride-glycidyl methacrylate graft multipolymer one or more;
Described polar group multi-component copolymer functional resin is specially one or more in ethylene-propylene-maleic anhydride terpolymer, ethene-butylene-maleic anhydride terpolymer, butylene-octene-acrylate terpolymer, the ethylene-acrylate-maleic anhydride terpolymer.
According to claim 1 in arbitrary described a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane, it is characterized in that: described crosslinking and curing agent is tert-butyl hydroperoxide 2-ethylhexyl carbonic ether;
Described crosslinking curing promotor is triallyl isonitrile urate.
According to claim 1 in arbitrary described a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane, it is characterized in that: described tackifier are the r-glycidyl ether oxygen propyl trimethoxy silicane;
Described oxidation inhibitor is two (2,4-dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythritol diphosphite, one or more in three (nonyl phenyl) phosphorous acid ester, three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.
According to claim 1 in arbitrary described a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane, it is characterized in that: described UV light stabilizing agent is poly-succinic (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines ethanol) ester or two (2,2,6,6-tetramethyl--4-piperidyl) sebate.
9. the preparation method of a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane as claimed in claim 1 comprises:
(1) by proportioning each raw material is mixed, get mixture;
(2) said mixture is poured into forcing machine and carried out mixing plasticizing, extruder temperature is controlled at 50-100 ℃, gets extrudate, and the gained extrudate is carried out film forming through curtain coating, calendering, carries out shaping by cooling, traction, at last by winding process and get final product.
10. the preparation method of a kind of anti-ultraviolet ageing used for encapsulation of solar battery glued membrane according to claim 9, it is characterized in that: the temperature of the forcing machine described in the step (2) is controlled at 82-88 ℃.
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| CN104231954A (en) * | 2014-08-26 | 2014-12-24 | 常州斯威克光伏新材料有限公司 | Intensified POE (Polyolefin Elastomer) photovoltaic packaging adhesive film as well as preparation process and application thereof |
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| CN114605813A (en) * | 2022-03-29 | 2022-06-10 | 广东汇齐新材料有限公司 | Ultraviolet light aging resistant TPU hot melt adhesive film and preparation method thereof |
| WO2024059996A1 (en) * | 2022-09-20 | 2024-03-28 | 宁德时代新能源科技股份有限公司 | Composite film and preparation method therefor, battery module, battery pack, and electric device |
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