CN104966754B - A kind of solar module high water resistant backboard - Google Patents
A kind of solar module high water resistant backboard Download PDFInfo
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- CN104966754B CN104966754B CN201510383296.4A CN201510383296A CN104966754B CN 104966754 B CN104966754 B CN 104966754B CN 201510383296 A CN201510383296 A CN 201510383296A CN 104966754 B CN104966754 B CN 104966754B
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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 present invention discloses a kind of solar module high water resistant backboard, including olefin copolymer layer, tack coat, polyester substrate, fluorine-containing weathering layer.The present invention passes through to add High hydrophilous resin in olefin copolymer layer（SAP）, make backboard have good water vapor barrier property, can effectively reduce the generation of assembly PID phenomenon.A kind of solar module high water resistant backboard that the present invention provides has good weatherability, and adhesion strength is high, and block-water performance is good, low cost and other advantages, can be widely used in solar module encapsulation.
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 induction decay) phenomenon, refers in megawatt level light
Overhead utility etc. has been connected the degradation phenomena occurring when a lot of solar panels (solar module) run under high voltages,
It is characterized with declining to a great extent of generated energy.
By the as shown by data of photovoltaic cell component manufacturer and research institution, PID effect and assembly composition, encapsulating material,
Local environment temperature, humidity and voltage have close contact.
Vapor can be reduced using high water resistant backboard and enter component internal, can effectively suppress the generation of PID phenomenon.Existing
High water resistant backboard typically extremely low permeability rate is obtained on PET using aluminium foil overlay film.But aluminium foil is conductive material in the program,
After backboard shelf depreciation, assembly can be led to have the risk of short circuit.So such blocks water, the security performance of backboard cannot ensure.Cause
This, current market has the backboard of high water vapor rejection, high-insulativity, low cost in the urgent need to releasing a class.
Content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art part, a kind of solar module high resistant is provided
Water backboard.
The technical scheme realizing the object of the invention is：A kind of solar module high water resistant backboard, by olefin-copolymerization
Nitride layer, tack coat, polyester substrate, fluorine-containing weathering layer bond successively and form, and the thickness of described olefin copolymer layer is 100～
500 μm, its raw materials quality fraction is as follows：100 part of first matrix resin, 1～20 part of High hydrophilous resin, 0.2～5 part of cross-linking agent,
0.2～2 part of antioxidant, 0.1～1 part of UV absorbent, 0.1～2 part of light stabilizer；
Further, the water absorption rate of described High hydrophilous resin, in more than 500g/g, is gathered by cross linked sodium polyacrylate, modification
Vinyl alcohol, one or more mixture according to any proportioning composition of graft acrylamide.
Further, described first matrix resin is ethylene-vinyl acetate copolymer, metallocene catalysed polyethylene, second
Alkene octene copolymer, one or more mixture according to any proportioning composition of ethylene pentene copolymer；
Described cross-linking agent is tert-butyl hydroperoxide propylene carbonate, double (tert-butyl peroxide) -3 of 1-, 3,5- front three basic rings
Hexane, 2,5- dimethyl -2,5- double (tert-butyl peroxy base) hexane, tert-butyl hydroperoxide carbonic acid -2- Octyl Nitrite, 2,5- diformazan
Base -2, double (t-butyl peroxy) -3 of 5- bis- (tert-butyl hydroperoxide) hexane, 1,1-, 3,5- trimethyl-cyclohexanes, 1,1- are double, and (uncle penta
Base peroxide) hexamethylene, double (t-butyl peroxy) hexamethylene of 1,1-, 2,2- double (t-butyl peroxy) butane, peroxidating 2- ethyl hexyl
Base carbonic acid tert-pentyl ester, 2,5- dimethyl 2,5- double (benzoyl peroxide)-hexane, peroxidating carbonic acid tert-pentyl ester, peroxidating 3,3,5 3
The mixture that one or more of the methylhexanoic acid tert-butyl ester forms according to any proportioning；
Described antioxidant is 2,2 '-methylene-bis--(4- methyl-6-tert-butylphenol), β-(4- hydroxyl -3,5- bis- uncle
Butyl phenyl) the positive octadecyl ester of propanoic 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-triazines -2,4,6- (1H, 3H, 5H)-triketones, 2,2 '-methylene-bis--(4- ethyl -6-
Tert-butyl phenol), two (2,4- dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythrityl diphosphite,
One or more mixture according to any proportioning composition of three (nonyl phenyl) phosphite ester；
Described UV absorbers be Octabenzone, 2,2 '-(Isosorbide-5-Nitrae-phenylene) double (4H-3,
1- benzimidazole dihydrochloride -4- ketone), 2,2 '-bis- (3,1- benzimidazole dihydrochloride -4- ketone), 2- hydroxyl -4- methoxyl group -2 '-carboxyl benzophenone,
2,2 '-dihydroxy -4,4 '-dimethoxy-benzophenone, 2- (2 '-hydroxy phenyl) benzotriazole, 2- (2 '-hydroxy-5-methyl base benzene
Base) benzotriazole, 2- (2 '-hydroxy-5-methyl base phenyl) -5- butyl's ester benzotriazole, 2- (2 '-hydroxyl -5 '-methylbenzene
Base) -5,6- dichloro benzotriazole, 2- (2 '-hydroxy-5-methyl base phenyl) -5- ethylsulfonic acid benzotriazole, 2- (2 '-hydroxyl -5 ' -
Tert-butyl-phenyl) -5- chlorobenzotriazole, one or more of 2- (2 '-hydroxyl -5 '-tert-butyl-phenyl) benzotriazole is according to any
The mixture of proportioning composition；
Described light stabilizer by for decanedioic acid double -2,2,6,6- tetramethyl piperidine alcohol esters, double -1- decane epoxide -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, the polymer of 2,6,6- tetramethyl -1- piperidine alcohols, N, N ' -
Double (2,2,6,6- tetramethyl -4- piperidyl) -1,6- hexamethylene diamines and the chloro- 6- of 2,4- bis- (1,1,3,3- tetramethyl butyl) amino -
One or more mixture according to any proportioning composition of the polymer of 1,3,5-triazines.
Further, the thickness of described polyester substrate is 150～300 μm, and its raw material components is as follows：100 part second
Matrix resin, 0～20 part of inorganic material, 0.1～5 part of hydrolysis-resisting agent, 0.1～2 part of antioxidant；
Described second matrix resin is by polyethylene terephthalate (PET), polybutylene terephthalate (PBT)
(PBT), one or more of PEN (PEN) forms according to any proportioning.
Described inorganic material is by titanium dioxide, silicon dioxide, white carbon black, Calcium Carbonate, one or more of barium sulfate according to any
Proportioning forms.
Described hydrolysis-resisting agent by polycarbodiimide class hydrolysis stabilizer, monomer Carbodiimides hydrolysis stabilizer, one
One or more of first carboxylic acid (+)-2,3-Epoxy-1-propanol hydrolysis of lipid stabilizer forms according to any proportioning.
Described antioxidant is 2,2 '-methylene-bis--(4- methyl-6-tert-butylphenol), β-(4- hydroxyl -3,5- bis- uncle
Butyl phenyl) the positive octadecyl ester of propanoic 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-triazines -2,4,6- (1H, 3H, 5H)-triketones, 2,2 '-methylene-bis--(4- ethyl -6-
Tert-butyl phenol) one or more mixture according to any proportioning composition；
Further, the thickness of described fluorine-containing weathering layer is 10～40 μm, and its raw materials quality fraction is as follows：100 part
Three matrix resins, 5～50 parts of modified resins, 5～20 parts of firming agent, 0～30 part of filler, 0.5～2 part of adhesion promoter, 20
～100 parts of solvents；
Described 3rd matrix resin is fluorothene-vinyl ether co-polymer, fluorothene-vinyl ester copolymer, tetrafluoro second
One or more of alkene and alkyl vinyl ether co-polymer, tetrafluoroethene and alkyl vinyl ester copolymer according to any proportioning group
The mixture becoming.
Described modified resin is unsaturated polyester (UP), and acrylic resin, one or more of polyethers according to any proportioning composition
Mixture.
Described firming agent is isocyanates, amino resins, blocked isocyanate, blocked isocyanate, tripolycyanamide
One or more mixture according to any proportioning composition.
Described filler is titanium dioxide, Calcium Carbonate, barium sulfate, white carbon black, iron oxide black, one or more of silicon dioxide according to any
The mixture of proportioning composition.
Described adhesion promoter is dibutyl tin laurate, tin dilaurate dioctyl tin, monobutyltin oxide or pungent
The mixture that one or more of sour stannous forms according to any proportioning.
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more of butyl acetate or propylene glycol methyl ether acetate
Mixture according to any proportioning composition.
Further it is characterised in that the thickness of described tack coat is 5～20 μm, its raw materials quality fraction is as follows：
100 part of the 4th matrix resin, 0～50 part of modified resin, 5～20 parts of firming agent, 20～50 parts of solvents；
The 4th described matrix resin is amino resins, unsaturated polyester (UP), and one or more of acrylic resin according to appointing
The mixture of meaning proportioning composition；
Described modified resin is amino resins, unsaturated polyester (UP), and one or more of acrylic resin according to arbitrarily joining
Mixture than composition；
Described firming agent is isocyanates, amino resins, blocked isocyanate, blocked isocyanate, tripolycyanamide
One or more mixture according to any proportioning composition.
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more of butyl acetate or propylene glycol methyl ether acetate
Mixture according to any proportioning composition.
The present invention is raw materials used all can be buied by market.Olefin copolymer layer in backboard, polyester substrate, all can be by
Casting film-forming well known in the art or double-layer coextrusion obtain, weathering layer and adhesive layer also can by after wet coating through heat cure or
UV curing method is obtained.
Beneficial effects of the present invention：1. present invention employs backboard integrated technique, make backboard have the envelope of rear layer EVA adhesive film
Pretend to use.2. the present invention passes through to design the formula of internal layer, reaches extremely low permeability rate.3. the weathering layer of the present invention is fluorine-containing tree
Fat, has good weatherability.
Brief description：
Fig. 1 is the schematic sectional view of the embodiment with high water resistant backboard for the solar module of the present invention.Wherein 1 is
Olefin-copolymerization layer, 2 is tack coat, and 3 is polyester substrate, and 4 is fluorine-containing weathering layer.
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 terms of mass fraction, 100 parts of VA contents are 30% ethylene-vinyl acetate
In copolymer (du pont company), add 1 part of High hydrophilous resin AQUA KEEP SA60S (SUMITOMO CHEMICAL company), 0.2 part of friendship
Connection agent tert-butyl hydroperoxide propylene carbonate (lark prestige Science and Technology Ltd.), and 0.2 part of antioxidant three (2,4 ,-di-tert-butyl
Base) phosphite ester (extremely big Tian Hai development in science and technology company limited), 0.1 part of ultraviolet absorber 2- hydroxyl -4- n-octyloxy hexichol first
Ketone (Nanjing Zhong Hesheng Science and Technology Ltd.), 0.5 part of light stabilizer decanedioic acid pair -2,2,6,6- tetramethyl piperidine alcohol ester (Shanghai
Spark good plasticizing company limited), and mix homogeneously.Mixture is carried out in an extruder blending extrusion, temperature control, at 90 DEG C, is squeezed
Through curtain coating, cooling, cutting, winding process after going out, obtain the internal layer film layer of 500 μ m-thick.
The weather-proof layer formula of fluorine resin is as follows：In terms of mass fraction, (Daikin applies 100 parts of fluorine resin GK570
Material) in, add 50 parts of modified resin ST5790 (weaving of Japanese Japan), (Dupont is public for 20 parts of filler titanium dioxide R960
Department), 10 parts of filler flatting silica C803 (U.S.'s Grace manufactures), 15 parts of firming agent N3390 (German Baeyer), 1 part attached
Adhesion promoter dibutyl tin laurate and 100 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows：In terms of mass fraction, 100 parts of acrylic resin ACR6730 (brilliant same Dehua work)
In, add 50 parts of unsaturated polyester resin ST5790 (weaving of Japanese Japan), 20 parts of firming agent N3390 (German Baeyer),
50 parts of solvent acetic acid butyl ester, stirs.
White PET film (Sichuan Dong Cai company) from 300 μ m-thick as polyester substrate, using corona equipment corona
To 50～60dyne/cm.First it is coated by the coating formula of fluorine resin weathering layer on the top layer of PET, in 120 DEG C of hot blast
2～5min film forming is dried, makes the weathering layer of about 10 μ m-thick, carry out by the coating formula of binding agent in the opposite side of PET basement membrane
Coating, in 120 DEG C of hot air drying 1min, makes about 20 μm of tack coat, and laminating upper 500 μm of olefin copolymer layer,
A kind of solar module high water resistant backboard S1 is obtained.
Embodiment 2：
Olefin copolymer bonding layer formula is as follows：In terms of mass fraction, 100 parts of VA contents are 20% ethyl vinyl acetate second
In enoate copolymer (du pont company), add 10 parts of High hydrophilous resin polyvinyl alcohol (Japan's synthesis 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- second
Base -6- tert-butyl phenol) (Shanghai Rui Ding chemical company), 0.1 part of ultraviolet absorber 2,2 '-dihydroxy -4,4 '-dimethoxy two
Benzophenone (Nanjing Zhong Hesheng Science and Technology Ltd.), 0.1 part of hindered amine light stabilizer pair -1- decane epoxide -2,2,6,6- tetra-
Methyl piperidine -4- alcohol sebacate mix homogeneously.Mixture is carried out in an extruder blending extrusion, temperature control is 90
DEG C, through curtain coating, cooling, cutting, winding process after extrusion, obtain the internal layer film layer of 200 μ m-thick.
The weather-proof layer formula of fluorine resin is as follows：In terms of mass fraction, (Daikin applies 100 parts of fluorine resin GK570
Material) in, add 30 parts of modified resin GK680 (weaving of Japanese Japan), (Dupont is public for 25 parts of filler titanium dioxide R960
Department), 2 parts of filler flatting silica C803 (U.S.'s Grace manufactures), 10 parts of firming agent z4470 (German Baeyer), 0.5 part attached
Adhesion promoter dibutyl tin laurate and 40 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows：In terms of mass fraction, 100 parts of unsaturated polyester (UP) WF-P011 (Wuxi Huambo coating
In, the unsaturated polyester resin ST5790 (weaving of Japanese Japan) of 20 parts of addition, 10 parts of firming agent z4470 (German Baeyer), 40
The solvent xylene of part, stirs.
White PET film (Sichuan Dong Cai company) from 150 μ m-thick as polyester substrate, using corona equipment corona
To 50～60dyne/cm.First it is coated by the coating formula of fluorine resin weathering layer on the top layer of PET, in 120 DEG C of hot blast
2～5min film forming is dried, makes the weathering layer of about 40 μ m-thick, carry out by the coating formula of binding agent in the opposite side of PET basement membrane
Coating, in 120 DEG C of hot air drying 1min, makes about 5 μm of glue layer, and laminating upper 200 μm of olefin copolymer bonds
Layer, is obtained a kind of solar module high water resistant backboard S2.
Embodiment 3：
Olefin copolymer bonding layer formula is as follows：In terms of mass fraction, (Dupont is public for 100 parts of ethylene-octene copolymers
Department) in, add 5 parts of High hydrophilous resin SA60N (SUMITOMO CHEMICAL company), 5 parts of cross-linking agent 1- pair of (tert-butyl peroxide) -3,3,5-
Trimethyl-cyclohexane (lark prestige Science and Technology Ltd.), 2 parts of antioxidant 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl benzene
Phenol) (Shanghai Rui Ding chemical company), 0.5 part of ultraviolet absorber 2,2 '-dihydroxy -4, (Nanjing is many for 4 '-dimethoxy-benzophenone
He Sheng Science and Technology Ltd.), 0.5 part of hindered amine light stabilizer 3,5- di-t-butyl -4- hydroxy-benzoic acid cetyl ester is simultaneously
Mix homogeneously.Mixture is carried out in an extruder blending extrusion, temperature control at 120 DEG C, after extrusion through curtain coating, cooling,
Cutting, winding process, obtain the internal layer film layer of 300 μ m-thick.
The weather-proof layer formula of fluorine resin is as follows：In terms of mass fraction, (Daikin applies 100 parts of fluorine resin GK570
Material) in, add 5 parts of unsaturated polyester resin ST5790 (weaving of Japanese Japan), 5 parts of firming agent z4470 (German Baeyer),
2 parts of adhesion promoter dibutyl tin laurate and 20 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows：In terms of mass fraction, 100 parts of unsaturated polyester (UP) WF-P011 (Wuxi Huambo coating
In, 10 parts of firming agent N3390 (German Baeyer), 20 parts of solvent xylene, stir.
Clear PET film (Sichuan Dong Cai company) from 250 μ m-thick as base copolyester, using corona equipment corona extremely
50～60dyne/cm.First it is coated by the coating formula of fluorine resin weathering layer on the top layer of PET, in 120 DEG C of hot air drying
Dry 2～5min film forming, makes the weathering layer of about 25 μ m-thick, is applied by the coating formula of binding agent in the opposite side of PET basement membrane
Cover, in 120 DEG C of hot air drying 1min, make about 10 μm of glue layer, and laminating upper 300 μm of olefin copolymer bonds
Layer, is obtained a kind of solar module high water resistant backboard S3.
Embodiment 4：
Olefin copolymer bonding layer formula is as follows：In terms of mass fraction, (Dupont is public for 100 parts of ethylene-pentene copolymers
Department) in, add 20 parts of High hydrophilous resin SA60N (SUMITOMO CHEMICAL company), 1.5 parts of cross-linking 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) (auspicious ancient cooking vessel in Shanghai
Chemical company), 1 part of ultraviolet absorber 2,2 '-dihydroxy -4,4 '-dimethoxy-benzophenone (Nanjing what bright scientific and technological limited public affairs many
Department), 2 parts of hindered amine light stabilizer three (1,2,2,6,6- pentamethyl -4- piperidyl) phosphite esters mix homogeneously.To mix
Thing carries out blending extrusion in an extruder, and temperature control, at 120 DEG C, through curtain coating, cooling, cutting, winding process after extrusion, obtains
Internal layer film layer to 100 μ m-thick.
The weather-proof layer formula of fluorine resin is as follows：In terms of mass fraction, (Daikin applies 100 parts of fluorine resin GK570
Material) in, add 25 parts of modified resin GK680 (weaving of Japanese Japan), 1 part of white carbon black MA100 (Mitsubishi), 5 parts of delustring
Powder C803 (U.S.'s Grace manufactures), 20 parts of firming agent BL3175 (German Baeyer), 2 parts of adhesion promoter tin dilaurate
Dibutyl tin and 40 parts of solvent xylenes, grind and stir.
The formula of binding agent is as follows：In terms of mass fraction, 100 parts of unsaturated polyester (UP) WF-P011 (Wuxi Huambo coating
In, add 20 parts of unsaturated polyester resin ST5790 (weaving of Japanese Japan), 15 parts of firming agent N3390 (German Baeyer),
40 parts of solvent xylene, stirs.
Semi-transparent PET film (Sichuan Dong Cai company) from 200 μ m-thick as base copolyester, using corona equipment corona extremely
50～60dyne/cm.First it is coated by the coating formula of fluorine resin weathering layer on the top layer of PET, in 120 DEG C of hot air drying
Dry 2～5min film forming, makes the weathering layer of about 15 μ m-thick, is applied by the coating formula of binding agent in the opposite side of PET basement membrane
Cover, in 120 DEG C of hot air drying 1min, make about 10 μm of glue layer, and laminating upper 100 μm of olefin copolymer bonds
Layer, is 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：Detected by ASTM-F1249.
Shelf depreciation：Detected by IEC60664-1.
Yellowness index：Detected by GB2409-80.
Peel strength with EVA：Carry out peel strength test by GB/T2790.
Damp and hot experiment：Carry out by the regulation of IEC 61215-2005, at 85 DEG C ± 2 DEG C, humidity (85 ± 5) %RH's is warm and humid
Carry out accelerated ageing in degree case.Record light transmittance after aging 1000h for the sample, mist degree, yellowness index (△ YI) and peel off strong
Degree.
Table 1
From test data table 1 as can be seen that the present invention provide solaode high water resistant backboard ensure high-peeling strength,
Low-yellowing, have a safety feature on the basis of, have extremely low permeability rate again, can effectively suppress the generation of PID phenomenon, and aging
Excellent performance in experiment, good weatherability is it is achieved that goal of the invention requirement.
Claims (5)
1. a kind of solar module high water resistant backboard, by olefin copolymer layer, tack coat, polyester substrate, fluorine-containing resistance to
Time layer bonds successively and forms it is characterised in that the thickness of described olefin copolymer layer is 100～500 μm, its raw materials quality fraction
As follows：100 part of first matrix resin, 1～20 part of High hydrophilous resin, 0.2～5 part of cross-linking agent, 0.2～2 part of antioxidant, 0.1
～1 part of UV absorbent, 0.1～2 part of light stabilizer；
The water absorption rate of described High hydrophilous resin, in more than 500g/g, by cross linked sodium polyacrylate, modified polyvinylalcohol, is grafted third
The mixture that one or more of acrylamide forms according to any proportioning.
2. backboard according to claim 1 is it is characterised in that described first matrix resin is common for ethylene-vinyl acetate
Polymers, metallocene catalysed polyethylene, POE, one or more of ethylene pentene copolymer according to any proportioning group
The mixture becoming；
Described cross-linking agent is tert-butyl hydroperoxide propylene carbonate, double (tert-butyl peroxide) -3 of 1-, 3,5- trimethyl-cyclohexanes,
Tert-butyl hydroperoxide carbonic acid -2- Octyl Nitrite, 2,5- dimethyl -2, the double (tert-butyl group of 5- bis- (tert-butyl hydroperoxide) hexane, 1,1-
Peroxide) -3,3,5- trimethyl-cyclohexane, double (t-amyl peroxy) hexamethylene of 1,1-, double (t-butyl peroxy) hexamethylene of 1,1-, 2,
Double (t-butyl peroxy) butane of 2-, peroxidating 2- ethylhexyl carbonate tert-pentyl ester, 2,5- dimethyl 2,5- double (benzoyl peroxide)-
Hexane, peroxidating carbonic acid tert-pentyl ester, one or more of peroxidating 3,3,5 trimethylhexanoate according to any proportioning composition
Mixture；
Described antioxidant is 2,2 '-methylene-bis--(4- methyl-6-tert-butylphenol), β-(4- hydroxyl -3,5- di-t-butyl
Phenyl) the positive octadecyl ester of propanoic 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-triazines -2,4,6- (1H, 3H, 5H)-triketones, 2,2 '-methylene-bis--(the tertiary fourth of 4- ethyl -6-
Base phenol), two (2,4- dicumylphenyl) pentaerythritol diphosphites, distearyl pentaerythrityl diphosphite, three (nonyls
Base phenyl) one or more mixture according to any proportioning composition of phosphite ester；
Described UV absorbers are Octabenzone, 2,2 '-(Isosorbide-5-Nitrae-phenylene) double (4H-3,1- benzene
And piperazine -4- ketone), 2,2 '-bis- (3,1- benzimidazole dihydrochloride -4- ketone), 2- hydroxyl -4- methoxyl group -2 '-carboxyl benzophenone, 2,2 ' -
Dihydroxy -4,4 '-dimethoxy-benzophenone, 2- (2 '-hydroxy phenyl) benzotriazole, 2- (2 '-hydroxy-5-methyl base phenyl) benzene
And triazole, 2- (2 '-hydroxy-5-methyl base phenyl) -5- butyl's ester benzotriazole, 2- (2 '-hydroxyl -5 '-aminomethyl phenyl) -5,
6- dichloro benzotriazole, 2- (2 '-hydroxy-5-methyl base phenyl) -5- ethylsulfonic acid benzotriazole, 2- (2 '-hydroxyl -5 '-the tert-butyl group
Phenyl) -5- chlorobenzotriazole, one or more of 2- (2 '-hydroxyl -5 '-tert-butyl-phenyl) benzotriazole is according to any proportioning group
The mixture becoming；
Described light stabilizer by for decanedioic acid double -2,2,6,6- tetramethyl piperidine alcohol esters, double -1- decane epoxide -2,2,6,6- tetra-
Methyl piperidine -4- alcohol sebacate, 3,5- di-t-butyl -4- hydroxy-benzoic acid cetyl ester, three (1,2,2,6,6- five first
Base -4- piperidyl) phosphite ester, succinic acid and 4- hydroxyl -2, the polymer of 2,6,6- tetramethyl -1- piperidine alcohols, N, N '-bis-
(2,2,6,6- tetramethyl -4- piperidyl) -1,6- hexamethylene diamine and the chloro- 6- of 2,4- bis- (1,1,3,3- tetramethyl butyl) amino -1,
One or more mixture according to any proportioning composition of the polymer of 3,5- triazines.
3. backboard according to claim 1 is it is characterised in that the thickness of described polyester substrate is 150～300 μm,
Its raw material components is as follows：100 part of second matrix resin, 0～20 part of inorganic material, 0.1～5 part of hydrolysis-resisting agent, 0.1～2 part
Antioxidant；
Described second matrix resin is by polyethylene terephthalate (PET), polybutylene terephthalate (PBT) (PBT), poly-
One or more of (ethylene naphthalate) (PEN) forms according to any proportioning；
Described inorganic material is by titanium dioxide, silicon dioxide, white carbon black, Calcium Carbonate, one or more of barium sulfate according to any proportioning
Composition；
Described hydrolysis-resisting agent is by polycarbodiimide class hydrolysis stabilizer, monomer Carbodiimides hydrolysis stabilizer, unitary carboxylic
One or more of acid glycidyl hydrolysis of lipid stabilizer forms according to any proportioning；
Described antioxidant is 2,2 '-methylene-bis--(4- methyl-6-tert-butylphenol), β-(4- hydroxyl -3,5- di-t-butyl
Phenyl) the positive octadecyl ester of propanoic 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-triazines -2,4,6- (1H, 3H, 5H)-triketones, 2,2 '-methylene-bis--(the tertiary fourth of 4- ethyl -6-
Base phenol) one or more mixture according to any proportioning composition.
4. backboard according to claim 1 is it is characterised in that the thickness of described fluorine-containing weathering layer is 10～40 μm, its
Raw materials quality fraction is as follows：100 part of the 3rd matrix resin, 5～50 parts of modified resins, 5～20 parts of firming agent, 0～30 part of filler,
0.5～2 part of adhesion promoter, 20～100 parts of solvents；
Described 3rd matrix resin be fluorothene-vinyl ether co-polymer, fluorothene-vinyl ester copolymer, tetrafluoroethene with
One or more of alkyl vinyl ether co-polymer, tetrafluoroethene and alkyl vinyl ester copolymer forms according to any proportioning
Mixture；
Described modified resin is unsaturated polyester (UP), acrylic resin, one or more mixing according to any proportioning composition of polyethers
Compound；
Described firming agent is isocyanates, amino resins, blocked isocyanate, blocked isocyanate, one kind of tripolycyanamide
Or multiple according to any proportioning composition mixture；
Described filler is titanium dioxide, Calcium Carbonate, barium sulfate, white carbon black, iron oxide black, one or more of silicon dioxide according to any proportioning
The mixture of composition；
Described adhesion promoter is dibutyl tin laurate, tin dilaurate dioctyl tin, monobutyltin oxide or octanoic acid are sub-
The mixture that one or more of stannum forms according to any proportioning；
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more of butyl acetate or propylene glycol methyl ether acetate according to
The mixture that arbitrarily proportioning forms.
5. backboard according to claim 1 is it is characterised in that the thickness of described tack coat is 5～20 μm, its raw material matter
Amount fraction is as follows：100 part of the 4th matrix resin, 0～50 part of modified resin, 5～20 parts of firming agent, 20～50 parts of solvents；
The 4th described matrix resin is amino resins, unsaturated polyester (UP), and one or more of acrylic resin according to arbitrarily joining
Mixture than composition；
Described modified resin is amino resins, unsaturated polyester (UP), and one or more of acrylic resin according to any proportioning group
The mixture becoming；
Described firming agent is isocyanates, amino resins, blocked isocyanate, blocked isocyanate, one kind of tripolycyanamide
Or multiple according to any proportioning composition mixture；
Described solvent is toluene, dimethylbenzene, ethyl acetate, one or more of butyl acetate or propylene glycol methyl ether acetate according to
The mixture that arbitrarily proportioning forms.
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| 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 |
| CN106992255B (en) * | 2016-01-18 | 2020-01-21 | 张家港康得新光电材料有限公司 | Packaging structure, manufacturing method and application thereof |
| 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 |
| CN106299006B (en) * | 2016-09-08 | 2018-08-07 | 国家电网公司 | 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 |
| 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 |
| 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 |
| CN109762482B (en) * | 2018-11-29 | 2021-08-03 | 常州回天新材料有限公司 | Solar cell panel covering back film and preparation method thereof |
| 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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| CN103252953B (en) * | 2013-04-27 | 2015-04-01 | 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 |
| CN104260519B (en) * | 2014-08-26 | 2017-01-18 | 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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