CN104966754A - High-water-resistance backboard for solar battery assembly - Google Patents
High-water-resistance backboard for solar battery assembly Download PDFInfo
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Abstract
The invention discloses a high-water-resistance backboard for a solar battery assembly, which comprises an olefin copolymer layer, a bonding layer, a polyester base layer and a fluorine-containing weather resistant layer. According to the invention, the backboard is enabled to have excellent moisture blocking performance through adding super absorbent resin (SAP) to the olefin copolymer layer, thereby being capable of effectively reducing occurrence of a PID (Potential Induced Degradation) phenomenon in the assembly. The high-water-resistance backboard provided by the invention for the solar battery assembly has the advantages of good weather resistance, high bonding strength, good water blocking performance, low cost and the like, and can be widely applied to packaging of the solar battery assembly.
Description
Technical field
The present invention relates to a kind of solar module high water resistant backboard.
Background technology
PID (Potential Induced Degradation, current potential brings out decay) phenomenon, refer to the degradation phenomena occurred when a lot of solar panels (solar module) of having connected such as megawatt level photovoltaic plant run under high voltages, declining to a great extent as feature with energy output.
Shown by the data of photovoltaic cell component manufacturer and research institution, PID effect and assembly are formed, encapsulating material, residing ambient temperature, humidity and voltage has and contact closely.
Adopt high water resistant backboard can reduce steam and enter component internal, effectively can suppress the generation of PID phenomenon.Existing high water resistant backboard generally adopts aluminium foil overlay film on PET, obtain extremely low permeability rate.But aluminium foil is electric conducting material in the program, after backboard partial discharge, assembly can be caused to have the risk of short circuit.So such blocks water, the security performance of backboard can not get ensureing.Therefore, current market has the backboard of high water vapor rejection, high-insulativity, low cost in the urgent need to releasing a class.
Summary of the invention
The object of the invention is the weak point existed for prior art, a kind of solar module high water resistant backboard is provided.
The technical scheme realizing the object of the invention is: a kind of solar module high water resistant backboard, bondd successively formed by olefin copolymer layer, tack coat, polyester substrate, fluorine-containing weathering layer, the thickness of described olefin copolymer layer is 100 ~ 500 μm, and its material quality mark is as follows: 100 part of first matrix resin, 1 ~ 20 part of high hydroscopic resin, 0.2 ~ 5 part of crosslinking agent, 0.2 ~ 2 part of antioxidant, 0.1 ~ 1 part of ultra-violet absorber, 0.1 ~ 2 part of light stabilizer;
Further, the water absorption rate of described high hydroscopic resin at more than 500g/g, by one or more mixtures formed according to any proportioning of cross linked sodium polyacrylate, modified polyvinylalcohol, graft acrylamide.
Further, described first matrix resin is ethylene-vinyl acetate copolymer, one or more mixtures formed according to any proportioning of metallocene catalysed polyethylene, POE, ethene pentene copolymer;
Described crosslinking agent is tert-butyl hydroperoxide propylene carbonate, two (tert-butyl peroxide)-3 of 1-, 3, 5-trimethyl-cyclohexane, 2, 5-dimethyl-2, two (tert-butyl peroxy base) hexane of 5-, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, 2, 5-dimethyl-2, 5-bis-(tert-butyl hydroperoxide) hexane, 1, two (t-butyl peroxy)-3 of 1-, 3, 5-trimethyl-cyclohexane, 1, two (t-amyl peroxy) cyclohexane of 1-, 1, two (t-butyl peroxy) cyclohexane of 1-, 2, two (t-butyl peroxy) butane of 2-, peroxidating 2-ethylhexyl carbonate tert-pentyl ester, 2, 5-dimethyl 2, two (benzoyl the peroxide)-hexane of 5-, peroxidating carbonic acid tert-pentyl ester, peroxidating 3, 3, one or more mixtures formed according to any proportioning of 5 trimethylhexanoate,
Described antioxidant is 2, 2 '-methylene-bis--(4-methyl-6-tert-butylphenol), β-(4-hydroxyl-3, 5-di-tert-butyl-phenyl) the positive octadecyl ester of propionic acid, three (2, 4-di-tert-butyl-phenyl) phosphite ester, 1, 3, 5-tri-(the 4-tert-butyl group-3-hydroxyl-2, 6-dimethyl benzyl)-1, 3, 5-triazine-2, 4, 6-(1H, 3H, 5H)-triketone, 2, 2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol), two (2, 4-dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythrityl diphosphite, one or more mixtures formed according to any proportioning of three (nonyl phenyl) phosphite ester,
Described UV absorbers is UV-531, 2, 2 '-(1, 4-phenylene) two (4H-3, 1-benzoxazine-4-ketone), 2, 2 '-bis-(3, 1-benzoxazine-4-ketone), 2-hydroxyl-4-methoxyl group-2 '-carboxyl benzophenone, 2, 2 '-dihydroxy-4, 4 '-dimethoxy-benzophenone, 2-(2 '-hydroxy phenyl) BTA, 2-(2 '-hydroxy-5-methyl base phenyl) BTA, 2-(2 '-hydroxy-5-methyl base phenyl)-5-butyl ester BTA, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl)-5, 6-dichloro BTA, 2-(2 '-hydroxy-5-methyl base phenyl)-5-ethylsulfonic acid BTA, 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl)-5-chlorobenzotriazole, 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl) one or more mixtures formed according to any proportioning of BTA,
Described light stabilizer is by being decanedioic acid two-2, 2, 6, 6-tetramethyl piperidine alcohol ester, two-1-alkoxyl in the last of the ten Heavenly stems-2, 2, 6, 6-tetramethyl piperidine-4-alcohol sebacate, 3, 5-di-t-butyl-4-hydroxy-benzoic acid cetyl ester, three (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) phosphite ester, succinic acid and 4-hydroxyl-2, 2, 6, the polymer of 6-tetramethyl-1-piperidine alcohols, N, N '-bis-(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 6-hexamethylene diamine and 2, the chloro-6-(1 of 4-bis-, 1, 3, 3-tetramethyl butyl) amino-1, 3, one or more mixtures formed according to any proportioning of the polymer of 5-triazine.
Further, the thickness of described polyester substrate is 150 ~ 300 μm, and its raw material components is as follows: 100 part of second matrix resin, the inorganic material of 0 ~ 20 part, 0.1 ~ 5 part of hydrolysis-resisting agent, 0.1 ~ 2 part of antioxidant;
Described second matrix resin by PETG (PET), polybutylene terephthalate (PBT) (PBT), PEN (PEN) one or more form according to any proportioning.
Described inorganic material by titanium dioxide, silicon dioxide, carbon black, calcium carbonate, barium sulfate one or more form according to any proportioning.
Described hydrolysis-resisting agent by polycarbodiimide class hydrolysis stabilizer, monomer Carbodiimides hydrolysis stabilizer, monocarboxylic acid glycidol hydrolysis of lipid stabilizer one or more form according to any proportioning.
Described antioxidant is 2,2 '-methylene-bis--(4-methyl-6-tert-butylphenol), β-(4-hydroxyl-3,5-di-tert-butyl-phenyl) the positive octadecyl ester of propionic acid, three (2,4-di-tert-butyl-phenyl) phosphite ester, 1,3,5-tri-(the 4-tert-butyl group-3-hydroxyl-2,6-dimethyl benzyl)-1,3,5-triazine-2,4,6-(1H, 3H, 5H)-triketone, 2,2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol) one or more mixtures formed according to any proportioning;
Further, the thickness of described fluorine-containing weathering layer is 10 ~ 40 μm, and its material quality mark is as follows: 100 part of the 3rd matrix resin, 5 ~ 50 parts of modified resin, 5 ~ 20 parts of curing agent, 0 ~ 30 part of filler, 0.5 ~ 2 part of adhesion promoter, 20 ~ 100 parts of solvents;
Described 3rd matrix resin is one or more mixtures formed according to any proportioning of PVF-vinyl ether co-polymer, PVF-vinyl ester copolymer, tetrafluoroethene and alkyl vinyl ether co-polymer, tetrafluoroethene and alkyl vinyl ester copolymer.
Described modified resin is unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin, polyethers.
Described curing agent is one or more mixtures formed according to any proportioning of isocyanates, amino resins, blocked isocyanate, blocked isocyanate, melamine.
Described filler is one or more mixtures formed according to any proportioning of titanium dioxide, calcium carbonate, barium sulfate, carbon black, iron oxide black, silicon dioxide.
Described adhesion promoter is one or more mixtures formed according to any proportioning of dibutyl tin laurate, tin dilaurate dioctyl tin, monobutyltin oxide or stannous octoate.
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more mixtures formed according to any proportioning of butyl acetate or 1-Methoxy-2-propyl acetate.
Further, it is characterized in that, the thickness of described tack coat is 5 ~ 20 μm, and its material quality mark is as follows: 100 part of the 4th matrix resin, 0 ~ 50 part of modified resin, 5 ~ 20 parts of curing agent, 20 ~ 50 parts of solvents;
The 4th described matrix resin is amino resins, unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin;
Described modified resin is amino resins, unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin;
Described curing agent is one or more mixtures formed according to any proportioning of isocyanates, amino resins, blocked isocyanate, blocked isocyanate, melamine.
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more mixtures formed according to any proportioning of butyl acetate or 1-Methoxy-2-propyl acetate.
The present invention is raw materials used all can buy by market.Olefin copolymer layer in backboard, polyester substrate, all can be obtained by casting film-forming well known in the art or double-layer coextrusion, weathering layer and adhesive layer also can obtain through hot curing or UV curing method by after wet coating.
Beneficial effect of the present invention: 1. present invention employs backboard integrated technique, makes backboard have the encapsulation effect of rear layer EVA adhesive film.2. the present invention is by the formula of design internal layer, reaches extremely low permeability rate.3. weathering layer of the present invention is fluorine resin, has good weatherability.
Accompanying drawing illustrates:
Fig. 1 is the schematic sectional view of the embodiment of solar module high water resistant backboard of the present invention.Wherein 1 is olefin-copolymerization layer, and 2 is tack coats, and 3 is polyester substrate, and 4 is fluorine-containing weathering layers.
Specific embodiments
Below in conjunction with example, the present invention is further described in detail, but is not limited to this.
Embodiment 1:
Olefin copolymer layer formula is as follows: in mass fraction, 100 parts of VA content are in the ethylene-vinyl acetate copolymer (du pont company) of 30%, add 1 part of high hydroscopic resin AQUA KEEP SA60S (SUMITOMO CHEMICAL company), 0.2 part of crosslinking agent tert-butyl hydroperoxide propylene carbonate (lark prestige Science and Technology Ltd.), 0.2 part of antioxidant three (2, 4,-di-tert-butyl-phenyl) phosphite ester (huge Tian Hai development in science and technology Co., Ltd), 0.1 part of ultraviolet absorber UV-531 (Nanjing Zhong Hesheng Science and Technology Ltd.), 0.5 part of light stabilizer decanedioic acid two-2, 2, 6, 6-tetramethyl piperidine alcohol ester (Shanghai spark good plasticizing Co., Ltd), and mix.Mixture is carried out blending extrusion in an extruder, and temperature controls at 90 DEG C, through curtain coating, cooling after extruding, cuts, winding process, obtains 500 μm of thick internal layer retes.
Fluorine resin weathering layer formula is as follows: in mass fraction, in the fluorine resin GK570 (Daikin coating) of 100 parts, add the modified resin ST5790 (weaving of Japanese Japan) of 50 parts, the filler titanium dioxide R960 (du pont company) of 20 parts, the filler flatting silica C803 (U.S.'s Grace manufactures) of 10 parts, the curing agent N3390 (German Baeyer) of 15 parts, the adhesion promoter dibutyl tin laurate of 1 part and 100 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows: in mass fraction, in the acrylic resin ACR6730 (brilliant same Dehua work) of 100 parts, add the unsaturated polyester resin ST5790 (weaving of Japanese Japan) of 50 parts, the curing agent N3390 (German Baeyer) of 20 parts, the solvent acetic acid butyl ester of 50 parts, stirs.
Select 300 μm of thick white PET film (Sichuan Dong Cai company) as polyester substrate, adopt corona equipment corona to 50 ~ 60dyne/cm.Coating formula first on the top layer of PET by fluorine resin weathering layer applies, heated-air drying 2 ~ 5min film forming of 120 DEG C, make about 10 μm of thick weathering layers, apply by the coating formula of binding agent at the opposite side of PET basement membrane, at the heated-air drying 1min of 120 DEG C, make the tack coat being about 20 μm, and the olefin copolymer layer of laminating upper 500 μm, obtained a kind of solar module high water resistant backboard S1.
Embodiment 2:
Olefin copolymer tack coat formula is as follows: in mass fraction, 100 parts of VA content are in the ethylene-vinyl acetate copolymer (du pont company) of 20%, add 10 parts of high hydroscopic resin polyvinyl alcohol (Japanese synthetic chemistry), 0.5 part of crosslinking agent tert-butyl hydroperoxide propylene carbonate (lark prestige Science and Technology Ltd.), 1.2 parts of antioxidant 2, 2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol) (Shanghai Rui Ding chemical company), 0.1 part of ultraviolet absorber 2, 2 '-dihydroxy-4, 4 '-dimethoxy-benzophenone (Nanjing Zhong Hesheng Science and Technology Ltd.), 0.1 part of two-1-alkoxyl in the last of the ten Heavenly stems-2 of hindered amine light stabilizer, 2, 6, 6-tetramethyl piperidine-4-alcohol sebacate also mixes.Mixture is carried out blending extrusion in an extruder, and temperature controls at 90 DEG C, through curtain coating, cooling after extruding, cuts, winding process, obtains 200 μm of thick internal layer retes.
Fluorine resin weathering layer formula is as follows: in mass fraction, in the fluorine resin GK570 (Daikin coating) of 100 parts, add the modified resin GK680 (weaving of Japanese Japan) of 30 parts, the filler titanium dioxide R960 (du pont company) of 25 parts, the filler flatting silica C803 (U.S.'s Grace manufactures) of 2 parts, the curing agent z4470 (German Baeyer) of 10 parts, the adhesion promoter dibutyl tin laurate of 0.5 part and 40 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows: in mass fraction, the unsaturated polyester (UP) WF-P011 of 100 parts is (in the Huambo coating of Wuxi, add the unsaturated polyester resin ST5790 (weaving of Japanese Japan) of 20 parts, 10 parts of curing agent z4470 (German Baeyer), the solvent xylene of 40 parts, stirs.
Select 150 μm of thick white PET film (Sichuan Dong Cai company) as polyester substrate, adopt corona equipment corona to 50 ~ 60dyne/cm.Coating formula first on the top layer of PET by fluorine resin weathering layer applies, heated-air drying 2 ~ 5min film forming of 120 DEG C, make about 40 μm of thick weathering layers, apply by the coating formula of binding agent at the opposite side of PET basement membrane, at the heated-air drying 1min of 120 DEG C, make the glue layer being about 5 μm, and the olefin copolymer tack coat of laminating upper 200 μm, obtained a kind of solar module high water resistant backboard S2.
Embodiment 3:
Olefin copolymer tack coat formula is as follows: in mass fraction, in 100 parts of ethylene-octene copolymers (du pont company), add 5 parts of high hydroscopic resin SA60N (SUMITOMO CHEMICAL company), 5 parts of two (tert-butyl peroxides)-3 of crosslinking agent 1-, 3, 5-trimethyl-cyclohexane (lark prestige Science and Technology Ltd.), 2 parts of antioxidant 2, 2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol) (Shanghai Rui Ding chemical company), 0.5 part of ultraviolet absorber 2, 2 '-dihydroxy-4, 4 '-dimethoxy-benzophenone (Nanjing Zhong Hesheng Science and Technology Ltd.), 0.5 part of hindered amine light stabilizer 3, 5-di-t-butyl-4-hydroxy-benzoic acid cetyl ester also mixes.Mixture is carried out blending extrusion in an extruder, and temperature controls at 120 DEG C, through curtain coating, cooling after extruding, cuts, winding process, obtains 300 μm of thick internal layer retes.
Fluorine resin weathering layer formula is as follows: in mass fraction, in the fluorine resin GK570 (Daikin coating) of 100 parts, add the unsaturated polyester resin ST5790 (weaving of Japanese Japan) of 5 parts, the curing agent z4470 (German Baeyer) of 5 parts, the adhesion promoter dibutyl tin laurate of 2 parts and 20 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows: in mass fraction, and (in the Huambo coating of Wuxi, the curing agent N3390 (German Baeyer) of 10 parts, the solvent xylene of 20 parts, stirs the unsaturated polyester (UP) WF-P011 of 100 parts.
Select 250 μm of thick clear PET film (Sichuan Dong Cai company) as base copolyester, adopt corona equipment corona to 50 ~ 60dyne/cm.Coating formula first on the top layer of PET by fluorine resin weathering layer applies, heated-air drying 2 ~ 5min film forming of 120 DEG C, make about 25 μm of thick weathering layers, apply by the coating formula of binding agent at the opposite side of PET basement membrane, at the heated-air drying 1min of 120 DEG C, make the glue layer being about 10 μm, and the olefin copolymer tack coat of laminating upper 300 μm, obtained a kind of solar module high water resistant backboard S3.
Embodiment 4:
Olefin copolymer tack coat formula is as follows: in mass fraction, in 100 parts of ethylene-pentene copolymers (du pont company), add 20 parts of high hydroscopic resin SA60N (SUMITOMO CHEMICAL company), 1.5 parts of crosslinking agent tert-butyl hydroperoxide propylene carbonate (lark prestige Science and Technology Ltd.), 1.5 parts of antioxidant 2, 2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol) (Shanghai Rui Ding chemical company), 1 part of ultraviolet absorber 2, 2 '-dihydroxy-4, 4 '-dimethoxy-benzophenone (Nanjing Zhong Hesheng Science and Technology Ltd.), 2 parts of hindered amine light stabilizers three (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) phosphite ester mixing.Mixture is carried out blending extrusion in an extruder, and temperature controls at 120 DEG C, through curtain coating, cooling after extruding, cuts, winding process, obtains 100 μm of thick internal layer retes.
Fluorine resin weathering layer formula is as follows: in mass fraction, in the fluorine resin GK570 (Daikin coating) of 100 parts, add the modified resin GK680 (weaving of Japanese Japan) of 25 parts, 1 part of carbon black MA100 (Mitsubishi), the flatting silica C803 (U.S.'s Grace manufactures) of 5 parts, the curing agent BL3175 (German Baeyer) of 20 parts, the adhesion promoter dibutyl tin laurate of 2 parts and 40 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows: in mass fraction, the unsaturated polyester (UP) WF-P011 of 100 parts is (in the Huambo coating of Wuxi, add the unsaturated polyester resin ST5790 (weaving of Japanese Japan) of 20 parts, the curing agent N3390 (German Baeyer) of 15 parts, the solvent xylene of 40 parts, stirs.
Select 200 μm of thick semi-transparent PET film (Sichuan Dong Cai company) as base copolyester, adopt corona equipment corona to 50 ~ 60dyne/cm.Coating formula first on the top layer of PET by fluorine resin weathering layer applies, heated-air drying 2 ~ 5min film forming of 120 DEG C, make about 15 μm of thick weathering layers, apply by the coating formula of binding agent at the opposite side of PET basement membrane, at the heated-air drying 1min of 120 DEG C, make the glue layer being about 10 μm, and the olefin copolymer tack coat of laminating upper 100 μm, obtained a kind of solar module high water resistant backboard S4.
Comparative example 1:
The KPE type backboard of other producers.
Test assessment method:
Water vapor transmittance: detect by ASTM-F1249.
Partial discharge: detect by IEC60664-1.
Yellowness index: detect by GB2409-80.
With the peel strength of EVA: carry out peel strength test by GB/T2790.
Damp and hot experiment: undertaken by the regulation of IEC 61215-2005, at 85 DEG C ± 2 DEG C, carries out accelerated ageing in the humiture case of humidity (85 ± 5) %RH.The light transmittance of record sample after aging 1000h, mist degree, yellowness index (△ YI) and peel strength.
Table 1
As can be seen from test data table 1, solar cell high water resistant backboard provided by the invention ensures on the basis that high-peeling strength, low-yellowing, security performance are good, there is again extremely low permeability rate, effectively can suppress the generation of PID phenomenon, and excellent performance in senile experiment, good weatherability, achieves goal of the invention requirement.
Claims (6)
1. a solar module high water resistant backboard, bondd successively formed by olefin copolymer layer, tack coat, polyester substrate, fluorine-containing weathering layer, it is characterized in that, the thickness of described olefin copolymer layer is 100 ~ 500 μm, and its material quality mark is as follows: 100 part of first matrix resin, 1 ~ 20 part of high hydroscopic resin, 0.2 ~ 5 part of crosslinking agent, 0.2 ~ 2 part of antioxidant, 0.1 ~ 1 part of ultra-violet absorber, 0.1 ~ 2 part of light stabilizer.
2. backboard according to claim 1, is characterized in that, the water absorption rate of described high hydroscopic resin at more than 500g/g, by one or more mixtures formed according to any proportioning of cross linked sodium polyacrylate, modified polyvinylalcohol, graft acrylamide.
3. backboard according to claim 1, it is characterized in that, described first matrix resin is ethylene-vinyl acetate copolymer, one or more mixtures formed according to any proportioning of metallocene catalysed polyethylene, POE, ethene pentene copolymer;
Described crosslinking agent is tert-butyl hydroperoxide propylene carbonate, two (tert-butyl peroxide)-3 of 1-, 3, 5-trimethyl-cyclohexane, 2, 5-dimethyl-2, two (tert-butyl peroxy base) hexane of 5-, tert-butyl hydroperoxide carbonic acid-2-Octyl Nitrite, 2, 5-dimethyl-2, 5-bis-(tert-butyl hydroperoxide) hexane, 1, two (t-butyl peroxy)-3 of 1-, 3, 5-trimethyl-cyclohexane, 1, two (t-amyl peroxy) cyclohexane of 1-, 1, two (t-butyl peroxy) cyclohexane of 1-, 2, two (t-butyl peroxy) butane of 2-, peroxidating 2-ethylhexyl carbonate tert-pentyl ester, 2, 5-dimethyl 2, two (benzoyl the peroxide)-hexane of 5-, peroxidating carbonic acid tert-pentyl ester, peroxidating 3, 3, one or more mixtures formed according to any proportioning of 5 trimethylhexanoate,
Described antioxidant is 2, 2 '-methylene-bis--(4-methyl-6-tert-butylphenol), β-(4-hydroxyl-3, 5-di-tert-butyl-phenyl) the positive octadecyl ester of propionic acid, three (2, 4-di-tert-butyl-phenyl) phosphite ester, 1, 3, 5-tri-(the 4-tert-butyl group-3-hydroxyl-2, 6-dimethyl benzyl)-1, 3, 5-triazine-2, 4, 6-(1H, 3H, 5H)-triketone, 2, 2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol), two (2, 4-dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythrityl diphosphite, one or more mixtures formed according to any proportioning of three (nonyl phenyl) phosphite ester,
Described UV absorbers is UV-531, 2, 2 '-(1, 4-phenylene) two (4H-3, 1-benzoxazine-4-ketone), 2, 2 '-bis-(3, 1-benzoxazine-4-ketone), 2-hydroxyl-4-methoxyl group-2 '-carboxyl benzophenone, 2, 2 '-dihydroxy-4, 4 '-dimethoxy-benzophenone, 2-(2 '-hydroxy phenyl) BTA, 2-(2 '-hydroxy-5-methyl base phenyl) BTA, 2-(2 '-hydroxy-5-methyl base phenyl)-5-butyl ester BTA, 2-(2 '-hydroxyl-5 '-aminomethyl phenyl)-5, 6-dichloro BTA, 2-(2 '-hydroxy-5-methyl base phenyl)-5-ethylsulfonic acid BTA, 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl)-5-chlorobenzotriazole, 2-(2 '-hydroxyl-5 '-tert-butyl-phenyl) one or more mixtures formed according to any proportioning of BTA,
Described light stabilizer is by being decanedioic acid two-2, 2, 6, 6-tetramethyl piperidine alcohol ester, two-1-alkoxyl in the last of the ten Heavenly stems-2, 2, 6, 6-tetramethyl piperidine-4-alcohol sebacate, 3, 5-di-t-butyl-4-hydroxy-benzoic acid cetyl ester, three (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) phosphite ester, succinic acid and 4-hydroxyl-2, 2, 6, the polymer of 6-tetramethyl-1-piperidine alcohols, N, N '-bis-(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 6-hexamethylene diamine and 2, the chloro-6-(1 of 4-bis-, 1, 3, 3-tetramethyl butyl) amino-1, 3, one or more mixtures formed according to any proportioning of the polymer of 5-triazine.
4. backboard according to claim 1, is characterized in that, the thickness of described polyester substrate is 150 ~ 300 μm, and its raw material components is as follows: 100 part of second matrix resin, the inorganic material of 0 ~ 20 part, 0.1 ~ 5 part of hydrolysis-resisting agent, 0.1 ~ 2 part of antioxidant;
Described second matrix resin by PETG (PET), polybutylene terephthalate (PBT) (PBT), PEN (PEN) one or more form according to any proportioning;
Described inorganic material by titanium dioxide, silicon dioxide, carbon black, calcium carbonate, barium sulfate one or more form according to any proportioning;
Described hydrolysis-resisting agent by polycarbodiimide class hydrolysis stabilizer, monomer Carbodiimides hydrolysis stabilizer, monocarboxylic acid glycidol hydrolysis of lipid stabilizer one or more form according to any proportioning;
Described antioxidant is 2,2 '-methylene-bis--(4-methyl-6-tert-butylphenol), β-(4-hydroxyl-3,5-di-tert-butyl-phenyl) positive octadecyl ester of propionic acid, three (2,4-di-tert-butyl-phenyl) phosphite ester, 1,3,5-tri-(the 4-tert-butyl group-3-hydroxyl-2,6-dimethyl benzyl)-1,3,5-triazine-2,4,6-(1H, 3H, 5H)-triketone, 2,2 '-methylene-bis--(4-ethyl-6-tert-butyl phenol) one or more mixtures formed according to any proportioning.
5. backboard according to claim 1, it is characterized in that, the thickness of described fluorine-containing weathering layer is 10 ~ 40 μm, and its material quality mark is as follows: 100 part of the 3rd matrix resin, 5 ~ 50 parts of modified resin, 5 ~ 20 parts of curing agent, 0 ~ 30 part of filler, 0.5 ~ 2 part of adhesion promoter, 20 ~ 100 parts of solvents;
Described 3rd matrix resin is one or more mixtures formed according to any proportioning of PVF-vinyl ether co-polymer, PVF-vinyl ester copolymer, tetrafluoroethene and alkyl vinyl ether co-polymer, tetrafluoroethene and alkyl vinyl ester copolymer;
Described modified resin is unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin, polyethers;
Described curing agent is one or more mixtures formed according to any proportioning of isocyanates, amino resins, blocked isocyanate, blocked isocyanate, melamine;
Described filler is one or more mixtures formed according to any proportioning of titanium dioxide, calcium carbonate, barium sulfate, carbon black, iron oxide black, silicon dioxide;
Described adhesion promoter is one or more mixtures formed according to any proportioning of dibutyl tin laurate, tin dilaurate dioctyl tin, monobutyltin oxide or stannous octoate;
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more mixtures formed according to any proportioning of butyl acetate or 1-Methoxy-2-propyl acetate.
6. backboard according to claim 1, is characterized in that, the thickness of described tack coat is 5 ~ 20 μm, and its material quality mark is as follows: 100 part of the 4th matrix resin, 0 ~ 50 part of modified resin, 5 ~ 20 parts of curing agent, 20 ~ 50 parts of solvents;
The 4th described matrix resin is amino resins, unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin;
Described modified resin is amino resins, unsaturated polyester (UP), one or more mixtures formed according to any proportioning of acrylic resin;
Described curing agent is one or more mixtures formed according to any proportioning of isocyanates, amino resins, blocked isocyanate, blocked isocyanate, melamine;
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more mixtures formed according to any proportioning of butyl acetate or 1-Methoxy-2-propyl acetate.
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| CN201510383296.4A CN104966754B (en) | 2015-06-30 | 2015-06-30 | A kind of solar module high water resistant backboard |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106079773A (en) * | 2016-06-16 | 2016-11-09 | 杭州福斯特光伏材料股份有限公司 | A kind of power gain type solar energy back veneer material |
| CN106206798A (en) * | 2016-07-28 | 2016-12-07 | 无锡中洁能源技术有限公司 | A kind of hydrolysis-resistant coated solar energy backboard |
| CN106633343A (en) * | 2016-11-21 | 2017-05-10 | 江苏恒峰线缆有限公司 | Silane crosslinking mixture capable of realizing fast self-crosslinking at normal temperature |
| CN106926534A (en) * | 2017-03-09 | 2017-07-07 | 杭州福斯特应用材料股份有限公司 | A kind of functional film of hot melting cohesion |
| CN106992255A (en) * | 2016-01-18 | 2017-07-28 | 张家港康得新光电材料有限公司 | Encapsulating structure, its preparation method and its apply |
| CN106992253A (en) * | 2016-01-18 | 2017-07-28 | 张家港康得新光电材料有限公司 | Encapsulating structure, thin-film solar cells and organic light-emitting display device |
| CN107256902A (en) * | 2016-09-08 | 2017-10-17 | 合肥智慧殿投资管理有限公司 | A kind of solar cell backboard film and preparation method thereof |
| CN108410340A (en) * | 2018-03-28 | 2018-08-17 | 杭州福斯特应用材料股份有限公司 | A kind of black weather-resistant coating and preparation method and application |
| CN109762482A (en) * | 2018-11-29 | 2019-05-17 | 常州回天新材料有限公司 | Solar panel covers notacoria and preparation method thereof |
| CN111634074A (en) * | 2020-06-09 | 2020-09-08 | 杭州福斯特应用材料股份有限公司 | Compound photovoltaic backplate and anti PID photovoltaic module |
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| CN103252953A (en) * | 2013-04-27 | 2013-08-21 | 杭州福斯特光伏材料股份有限公司 | Integrated photovoltaic module back plate material with anti-PID (Potential Induced Degradation) effect |
| CN103756579A (en) * | 2014-01-09 | 2014-04-30 | 常州斯威克光伏新材料有限公司 | EVA (Ethylene Vinyl-Acetate) packaging glue film with high gas-water barrier property and preparation method thereof |
| CN104260519A (en) * | 2014-08-26 | 2015-01-07 | 中天光伏材料有限公司 | A self-cooling type photovoltaic backboard and a preparing method thereof |
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| CN103756579A (en) * | 2014-01-09 | 2014-04-30 | 常州斯威克光伏新材料有限公司 | EVA (Ethylene Vinyl-Acetate) packaging glue film with high gas-water barrier property and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992255A (en) * | 2016-01-18 | 2017-07-28 | 张家港康得新光电材料有限公司 | Encapsulating structure, its preparation method and its apply |
| CN106992253A (en) * | 2016-01-18 | 2017-07-28 | 张家港康得新光电材料有限公司 | Encapsulating structure, thin-film solar cells and organic light-emitting display device |
| CN106992253B (en) * | 2016-01-18 | 2020-01-21 | 张家港康得新光电材料有限公司 | Packaging structure, thin-film solar cell and organic light-emitting display device |
| CN106079773A (en) * | 2016-06-16 | 2016-11-09 | 杭州福斯特光伏材料股份有限公司 | A kind of power gain type solar energy back veneer material |
| CN106206798A (en) * | 2016-07-28 | 2016-12-07 | 无锡中洁能源技术有限公司 | A kind of hydrolysis-resistant coated solar energy backboard |
| CN107256902B (en) * | 2016-09-08 | 2019-02-19 | 广州奥鹏能源科技有限公司 | A kind of solar cell backboard film and preparation method thereof |
| CN107256902A (en) * | 2016-09-08 | 2017-10-17 | 合肥智慧殿投资管理有限公司 | A kind of solar cell backboard film and preparation method thereof |
| CN106633343A (en) * | 2016-11-21 | 2017-05-10 | 江苏恒峰线缆有限公司 | Silane crosslinking mixture capable of realizing fast self-crosslinking at normal temperature |
| CN106926534A (en) * | 2017-03-09 | 2017-07-07 | 杭州福斯特应用材料股份有限公司 | A kind of functional film of hot melting cohesion |
| CN106926534B (en) * | 2017-03-09 | 2019-07-23 | 杭州福斯特应用材料股份有限公司 | A kind of functional film of hot melting cohesion |
| CN108410340A (en) * | 2018-03-28 | 2018-08-17 | 杭州福斯特应用材料股份有限公司 | A kind of black weather-resistant coating and preparation method and application |
| CN108410340B (en) * | 2018-03-28 | 2020-04-28 | 杭州福斯特应用材料股份有限公司 | Black weather-resistant coating and preparation method and application thereof |
| CN109762482A (en) * | 2018-11-29 | 2019-05-17 | 常州回天新材料有限公司 | Solar panel covers notacoria and preparation method thereof |
| CN111634074A (en) * | 2020-06-09 | 2020-09-08 | 杭州福斯特应用材料股份有限公司 | Compound photovoltaic backplate and anti PID photovoltaic module |
| CN111634074B (en) * | 2020-06-09 | 2023-03-28 | 杭州福斯特应用材料股份有限公司 | Compound photovoltaic backplate and anti PID photovoltaic module |
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Address after: 311300 Ling'an Province, Hangzhou City, Jin Jin Bao street, North Street Patentee after: Hangzhou Forster applied materials Limited by Share Ltd Address before: 311300 Ling'an Province, Hangzhou City, Jin Jin Bao street, North Street Patentee before: Hangzhou First PV Material Co., Ltd. |