CN103074023A - Adhesive composition, preparation method of adhesive composition, and application of adhesive composition in solar cell back plate - Google Patents
Adhesive composition, preparation method of adhesive composition, and application of adhesive composition in solar cell back plate Download PDFInfo
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Abstract
The invention discloses an adhesive composition, a preparation method of the adhesive composition, and an application of the adhesive composition in a solar cell back plate, and belongs to the technical field of solar cells. The adhesive composition comprises a main body and an auxiliary body, wherein the main body mainly comprises the following components by weight percentage: 20-80% of synthetic resin, 0.1-20% of nano coated oxide, 0.01-3% of high-molecule dispersing agent, and the balance of solvent, and the auxiliary body comprises an isocyanate curing agent. A weather-proof layer, a middle insulation layer and a bonding layer of the solar cell back plate are compounded by coating the adhesive composition at a certain temperature through a grafting technique, the adhesive composition is sufficiently fused with an inner layer bonding film through the grafting technique, and hydrolysis-resistant and ultraviolet-resistant components are released uniformly through a slow release technique, so that the bonding layer can achieve purposes of hydrolysis aging resistance and ultraviolet aging resistance for a long time.
Description
Technical field
The present invention relates to a kind of sizing agent composition and method of making the same and in the application of solar cell backboard, belong to technical field of solar batteries.
Background technology
Solar module is installed in the open air throughout the year, and the steam in the atmosphere and the ultraviolet erosion in the sunlight can directly cause the decline of solar module optoelectronic transformation efficiency, the serious termination that causes the solar module life-span.Solar cell backboard is the critical material of solar module, is used for the chip that can produce photoelectric conversion is carried out packaging protection, and the performance of backboard has directly determined life-span and the transformation efficiency of battery.Therefore require backboard to have cohesive strength preferably, higher electrical insulation capability, can intercept damp and hot, oxidation, water-fast vapour, ultraviolet radiation, and the performances such as cold-hot impact of excellence.
Solar cell backboard adopts " sandwich " structure mostly, i.e. three-layer thin-film structure, and it is bonding to adopt one deck sizing agent to carry out between each layer, and sizing agent has played critical effect in backboard, and the quality of glue directly affects the life-span of backboard.Mainly there is following shortcoming in the solar cell backboard that adopts conventional sizing agent to be composited at present:
1. water-fast vapour poor performance: the water vapor transmittance of backboard is generally at 1 ~ 2 (g/m at present
2D), higher water vapor transmittance makes backboard under the erosion of steam, especially contains the group of ester bond, easily is hydrolyzed, and loses gradually cohesive strength, causes backboard to lose efficacy, and whole assembly is scrapped;
2. a little less than the ultra-violet radiation resisting: backboard can only stop the UV radiation about 80% at present, and high-intensity ultraviolet radiation can cause the polymer bond rupture, the cohesive strength step-down, and the phenomenon of jaundice appears in backboard;
3. the splitting degree is low: current line backboard in the industry cohesive strength between layers is lower, degree of peeling off is generally at 20N/5cm, and lower cohesive force means backboard under extraneous environmental attack, and its bonding fading period shortens, and affects the work-ing life of assembly.
In view of this, the inventor studies this, develops specially a kind of sizing agent composition and method of making the same and in the application of solar cell backboard, this case produces thus.
Summary of the invention
One of purpose of the present invention provides a kind ofly can make that solar cell backboard has that high hydrolysis resistance is aging, ultraviolet aging resistance and than the sizing agent composition and method of making the same of high bond strength.
The sizing agent composition, comprise main body and auxiliary body, wherein, the main body chief component is 20%-80%(weight) synthetic resins, 0.1%-20%(weight) nanometer is oxide coated, 0.01%-3%(weight) macromolecule dispersing agent, surplus be solvent, auxiliary body is solidifying agent, and the NCO group in the solidifying agent and the proportion relation of the OH group in the synthetic resins are NCO:OH=0.8 ~ 1.5:1 (mol ratio).
Synthetic resins in the above-mentioned sizing agent composition is that one or both of Hydroxylated acrylic resin, hydroxy polyester resin are compound.
Above-mentioned solidifying agent is the isocyanates solidifying agent, be specifically as follows tolylene diisocyanate (TDI), diphenylmethanediisocyanate (MDI), hexamethylene diisocyanate (HDI), 4,4'-dicyclohexyl methane diisocyanate (HMDI), the mixture of one or more of isophorone diisocyanate (IPDI).
One or more mixtures of the nano titanium oxide of the mean particle size that above-mentioned nanometer is oxide coated to refer to particle below 100nm, tindioxide, zirconium dioxide, zinc oxide.
Described macromolecule dispersing agent can be selected from the Disperbyk103 of German Bi Ke chemical company, Disperbyk106, Disperbyk107, Disperbyk110, Disperbyk111, Disperbyk115, Disperbyk130, Disperbyk160, Disperbyk162, Disperbyk163, Disperbyk164, Disperbyk2000; Also can be the Solsperse3000 of Aveciag company, Solsperse13940, Solsperse17000, Solsperse24000, Solsperse28000, Solsperse32000, Solsperse32500, Solsperse34750; Can also be the Texaphor963 of Henkel Corp., Texaphor963s, Texaphor3061, Texaphor3073, Texaphor3241, Texaphor3112, Texaphor3250, Texaphor3287; Or the EFKA-44 of Dutch EFKA auxiliary agent company, EFKA-46, EFKA-47, EFKA-48, EFKA-49, EFKA-54, EFKA-63, EFKA-64, EFKA-65, EFKA-701, EFKA-745, EFKA-765, EFKA-766; Or the Elvacite type dispersant A B1010 of E.I.Du Pont Company, AB1015, AB1020, AB1030.
Above-mentioned solvent is selected from alkanes, as: butane, Skellysolve A, iso-pentane, normal hexane, normal heptane, isoheptane, octane, trichloroethane; The benzene class, as: benzene,toluene,xylene, Three methyl Benzene, ethylbenzene, isopropyl benzene; Ketone, as: acetone, methylethylketone, pimelinketone, metacetone; And lipid, as: one or more in vinyl acetic monomer, n-butyl acetate, isobutyl acetate, the capryl acetate are compound.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent is added in the solvent, then it is oxide coated to add nanometer, disperse with high speed dispersor, rotating speed is 500-5000rpm, time is 5-90min, make the oxide coated slurry of nanometer, then with the oxide coated slurry of above-mentioned nanometer and synthetic resins and solvent, fully disperse this main body mixture with high speed dispersor or grinding plant, in the aforementioned body, macromolecule dispersing agent accounts for 0.01%-3%(weight), the oxide coated 0.1%-20%(weight that accounts for of nanometer), synthetic resins accounts for 20%-80%(weight), surplus is solvent;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the solidifying agent in the mensuration synthetic resins, then according to the proportion relation of nco value and OH value, in main body, add a certain proportion of solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing, in the solidifying agent in NCO group and the synthetic resins proportion relation of OH group be NCO:OH=0.8 ~ 1.5:1 (mol ratio).
Above-mentioned nco value and OH value can be measured by chemical quantivative approach according to " mensuration of hydroxyl value in the HG/T 2709-1995 polyester polyol " and " mensuration of acid number in the HG/T 2708-1995 polyester polyol ".
The present invention also provides a kind of solar cell backboard that above-mentioned sizing agent composition is composited of using, and has that high hydrolysis resistance is aging, a ultraviolet aging resistance and than advantages such as high bond strengths.
Solar cell backboard is composited by weathering layer, adhesive layer, intermediate insulating layer, adhesive layer and tack coat coating successively; Wherein, sizing agent composition main body chief component in the described adhesive layer is 20%-80%(weight) synthetic resins, 0.1%-20%(weight) nanometer is oxide coated, 0.01%-3%(weight) macromolecule dispersing agent, surplus be solvent, auxiliary body is solidifying agent, method by twice preparation forms the sizing agent composition, in the solidifying agent in NCO group and the synthetic resins proportion relation of OH group be NCO:OH=0.8 ~ 1.5:1 (mol ratio).
Described weathering layer includes but are not limited to PVF film, pvdf membrane, ETFE film and weathering resistance PET film, and thickness is 15 ~ 35 μ m.
Described tack coat includes but are not limited to PE film, PVA film and PE/EVA composite membrane, and thickness is 50 ~ 100 μ m.
Described intermediate insulating layer includes but are not limited to polyester film, polyamide layer and Kapton, and thickness is 180 ~ 300 μ m.
The thickness of described adhesive layer is 3-8 μ m.
Solar cell backboard weathering layer of the present invention, intermediate insulating layer and tack coat pass through crosslinking technology, be coated with at a certain temperature with the sizing agent composition and be composited, described sizing agent composition adopts nanometer to coat slow release method, hydrolysis in the sizing agent and uvioresistant composition are coated with nanoparticle, fully merge by crosslinking technology and internal layer adhesive film, again hydrolysis and uvioresistant homogeneous chemical composition are discharged by slow release method, make tack coat reach that long-time resistant to hydrolysis is aging, the purpose of anti-ultraviolet ageing.Because adopt the nanoparticle coating technology, this adhesive layer is compared similar adhesive layer, has cohesive strength height, thin thickness, when performance is better than similar sizing agent, also greatly reduces the production cost of solar cell backboard.
Below in conjunction with drawings and the specific embodiments the present invention is done and to describe in further detail.
Description of drawings
Fig. 1 is solar cell backboard section structure synoptic diagram of the present invention.
The figure number explanation:
Embodiment
The sizing agent composition, comprise the main body and the auxiliary body solidifying agent that are formed by Hydroxylated acrylic resin, titanium dioxide, macromolecule dispersing agent Disperbyk103, normal hexane and dimethylbenzene, wherein, Hydroxylated acrylic resin accounts for 20%(weight in the main body), titanium dioxide accounts for 10%(weight), macromolecule dispersing agent Disperbyk103 accounts for 3%(weight), solvent normal hexane and xylene mixture account for 67%(weight); The content of solidifying agent in the sizing agent composition is decided according to the OH value of Hydroxylated acrylic resin, in the present embodiment, solidifying agent is tolylene diisocyanate (TDI), and the OH group mole proportioning of the NCO group in the tolylene diisocyanate and Hydroxylated acrylic resin is 1:1..
The oxide coated titanium dioxide mean particle size of above-mentioned nanometer is 100nm.
Described macromolecule dispersing agent, can also be selected from the Disperbyk106 of German Bi Ke chemical company, Disperbyk107, Disperbyk110, Disperbyk111, Disperbyk115, Disperbyk130, Disperbyk160, Disperbyk162, Disperbyk163, Disperbyk164, one or more mixtures among the Disperbyk2000.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent Disperbyk103 is added in solvent normal hexane and the dimethylbenzene, then add the oxide coated titanium dioxide of nanometer, disperse with high speed dispersor, rotating speed is 2000rpm, time is 30min, makes the oxide coated slurry of nanometer; Then the oxide coated slurry of above-mentioned nanometer and Hydroxylated acrylic resin and solvent normal hexane and dimethylbenzene are mixed, fully disperse this mixture with high speed dispersor or grinding plant; Wherein, with aforementioned body mixture 100% weighing scale, Disperbyk103 accounts for 3% in the described main body, and normal hexane and dimethylbenzene account for 67%, and titanium dioxide accounts for 10%, and Hydroxylated acrylic resin accounts for 20%;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the curing agent toluene vulcabond in the mensuration Hydroxylated acrylic resin, then according to NCO group and OH group NCO:OH=1:1(mol ratio) proportion relation, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing.
A kind of solar cell backboard that adopts above-mentioned sizing agent composition to be composited as shown in Figure 1, is composited by weathering layer 1, adhesive layer 2, intermediate insulating layer 3, adhesive layer 2 and tack coat 4 coatings successively.
In the present embodiment, described weathering layer is the PVF film, and thickness is 15 μ m, and tack coat is the PE film, and thickness is 100 μ m, and intermediate insulating layer is polyester film, and thickness is 250 μ m, and the thickness of adhesive layer is 3 μ m.
The sizing agent composition, comprise the main body and the auxiliary body solidifying agent that are formed by hydroxy polyester resin, tindioxide, macromolecule dispersing agent Solsperse3000 and solvent xylene, wherein, hydroxy polyester resin accounts for 40%(weight in the sizing agent composition main body), tindioxide accounts for 0.1%(weight), macromolecule dispersing agent Solsperse3000 accounts for 0.8%(weight), solvent xylene accounts for 59.1%(weight); The content of solidifying agent in the sizing agent composition is decided according to the OH value of hydroxy polyester resin, in the present embodiment, solidifying agent is hexamethylene diisocyanate (HDI), and the OH group mole proportioning of the NCO group in the hexamethylene diisocyanate and hydroxy polyester resin is 1.1:1.
The oxide coated tindioxide mean particle size of above-mentioned nanometer is 80nm.
Described macromolecule dispersing agent can also be selected from the Solsperse13940 of Aveciag company, Solsperse17000, Solsperse24000, Solsperse28000, Solsperse32000, Solsperse32500, one or more mixtures among the Solsperse34750.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent Solsperse3000 is added in the solvent xylene, then add the oxide coated tindioxide of nanometer, disperse with high speed dispersor, rotating speed is 500rpm, time is 90min, makes the oxide coated slurry of nanometer; Then the oxide coated slurry of above-mentioned nanometer is mixed with hydroxy polyester resin and solvent xylene, fully disperse this main body mixture with high speed dispersor or grinding plant; Wherein, with aforementioned body 100% weighing scale, Solsperse3000 accounts for 0.8% in the described main body, and dimethylbenzene accounts for 59.1%, and tindioxide accounts for 0.1%, and hydroxy polyester resin accounts for 40%;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the solidifying agent hexamethylene diisocyanate in the mensuration hydroxy polyester resin, then according to NCO group and OH group NCO:OH=1.1:1(mol ratio) proportion relation, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing.
A kind of solar cell backboard that adopts above-mentioned sizing agent composition to be composited as shown in Figure 1, is composited by weathering layer 1, adhesive layer 2, intermediate insulating layer 3, adhesive layer 2 and tack coat 4 coatings successively.
In the present embodiment, described weathering layer is pvdf membrane, and thickness is 20 μ m, and tack coat is the PVA film, and thickness is 75 μ m, and intermediate insulating layer is polyamide layer, and thickness is that the thickness of 300 μ m adhesive layers is 4 μ m.
A kind of sizing agent composition, comprise the main body and the auxiliary body solidifying agent that are formed by hydroxy polyester resin, titanium dioxide, macromolecule dispersing agent Texaphor963, solvent acetone and pimelinketone, wherein, hydroxy polyester resin accounts for 50%(weight in the main body), titanium dioxide accounts for 5.5%(weight), macromolecule dispersing agent Texaphor963 accounts for 1.4%(weight), solvent acetone and pimelinketone account for 37.1%(weight); The content of solidifying agent in the sizing agent composition is decided according to the OH value of hydroxy polyester resin, in the present embodiment, solidifying agent is isophorone diisocyanate (IPDI), and the OH group mole proportioning of the NCO group in the isophorone diisocyanate and hydroxy polyester resin is 1.5:1.
The oxide coated titanium dioxide mean particle size of above-mentioned nanometer is 80nm.
Described macromolecule dispersing agent can also be selected the Texaphor963s of Henkel Corp., Texaphor3061, Texaphor3073, Texaphor3241, Texaphor3112, Texaphor3250, one or more mixtures among the Texaphor3287.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent Texaphor963 is added in solvent acetone and the pimelinketone, then add the oxide coated titanium dioxide of nanometer, disperse with high speed dispersor, rotating speed is 4000rpm, time is 20min, makes the oxide coated slurry of nanometer; Then the oxide coated slurry of above-mentioned nanometer and hydroxy polyester resin and solvent acetone and pimelinketone are mixed, fully disperse this main body mixture with high speed dispersor or grinding plant; Wherein, with aforementioned body 100% weighing scale, Texaphor963 accounts for 1.4% in the described main body, and acetone and pimelinketone account for 37.1%, and titanium dioxide accounts for 5.5%, and hydroxy polyester resin accounts for 50%;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the solidifying agent isophorone diisocyanate in the mensuration hydroxy polyester resin, then according to NCO group and OH group NCO:OH=1.5:1(mol ratio) proportion relation, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing.
A kind of solar cell backboard that adopts above-mentioned sizing agent composition to be composited as shown in Figure 1, is composited by weathering layer 1, adhesive layer 2, intermediate insulating layer 3, adhesive layer 2 and tack coat 4 coatings successively.
In the present embodiment, described weathering layer is the ETFE film, and thickness is 25 μ m, and tack coat is the PE/EVA film, and thickness is 85 μ m, and intermediate insulating layer is Kapton, and thickness is 180 μ m, and the thickness of adhesive layer is 5 μ m.
The sizing agent composition, comprise the main body and the auxiliary body solidifying agent that are formed by hydroxy polyester resin, zirconium dioxide, macromolecule dispersing agent EFKA-44 and solvent n-butyl acetate, wherein, synthetic resins accounts for 60%(weight in the main body), zirconium dioxide accounts for 20%(weight), macromolecule dispersing agent EFKA-44 accounts for 2.4%(weight), the solvent n-butyl acetate accounts for 17.6%(weight); The content of solidifying agent in the sizing agent composition is decided according to the OH of hydroxy polyester resin, in the present embodiment, solidifying agent is 4,4'-dicyclohexyl methane diisocyanate (HMDI), the OH group mole proportioning of the NCO group in 4, the 4'-dicyclohexyl methane diisocyanate and hydroxy polyester resin is 1.2:1.
The oxide coated zirconium dioxide mean particle size of above-mentioned nanometer is 60nm.
Described macromolecule dispersing agent can also be selected the EFKA-46 of Dutch EFKA auxiliary agent company, EFKA-47, EFKA-48, EFKA-49, EFKA-54, EFKA-63, EFKA-64, EFKA-65, EFKA-701, EFKA-745, EFKA-765, EFKA-766.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent EFKA-44 is added in the solvent n-butyl acetate, then add the oxide coated zirconium dioxide of nanometer, disperse with high speed dispersor, rotating speed is 3500rpm, time is 60min, makes the oxide coated slurry of nanometer; Then the oxide coated slurry of above-mentioned nanometer is mixed with hydroxy polyester resin and solvent n-butyl acetate, fully disperse this main body mixture with high speed dispersor or grinding plant; Wherein, with aforementioned body 100% weighing scale, EFKA-44 accounts for 2.4% in the described main body, and n-butyl acetate accounts for 17.6%, and zirconium dioxide accounts for 20%, and hydroxy polyester resin accounts for 60%;
2) with after the aforementioned body filtration, measure content and the solidifying agent 4 of OH group in the hydroxy polyester resin, the content of NCO group in the 4'-dicyclohexyl methane diisocyanate, then according to NCO group and OH group NCO:OH=1.2:1(mol ratio) proportion relation, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing.
A kind of solar cell backboard that adopts above-mentioned sizing agent composition to be composited as shown in Figure 1, is composited by weathering layer 1, adhesive layer 2, intermediate insulating layer 3, adhesive layer 2 and tack coat 4 coatings successively.
In the present embodiment, described weathering layer is pvdf membrane, and thickness is 18 μ m, and tack coat is the PVA film, and thickness is 50 μ m, and intermediate insulating layer is polyamide layer, and thickness is 240 μ m, and the thickness of adhesive layer is 6 μ m.
Embodiment 5
The sizing agent composition, comprise main body and auxiliary body solidifying agent that mixture, zinc oxide, macromolecule dispersing agent AB1010, solvent vinyl acetic monomer and toluene by Hydroxylated acrylic resin and hydroxy polyester resin form, wherein, the mixture of Hydroxylated acrylic resin and hydroxy polyester resin accounts for 80%(weight in the main body), zinc oxide accounts for 16%(weight), macromolecule dispersing agent AB1010 accounts for 0.01%(weight), solvent vinyl acetic monomer and toluene account for 3.99%(weight); The content of solidifying agent in the sizing agent composition is decided according to the OH of hydroxy polyester resin, in the present embodiment, solidifying agent is diphenylmethanediisocyanate (MDI), and the OH group mole proportioning in the NCO group in the diphenylmethanediisocyanate and the mixture of Hydroxylated acrylic resin and hydroxy polyester resin is 0.8:1.
The oxide coated zinc oxide mean particle size of above-mentioned nanometer is 50nm.
Described macromolecule dispersing agent can also be selected the Elvacite type dispersant A B1015 of E.I.Du Pont Company, AB1020, AB1030.
Above-mentioned sizing agent preparation method of composition comprises the steps:
1) main body preparation: at first macromolecule dispersing agent AB1010 is added in solvent vinyl acetic monomer and the toluene, then add the oxide coated zinc oxide of nanometer, disperse with high speed dispersor, rotating speed is 5000rpm, time is 5min, makes the oxide coated slurry of nanometer; Then the mixture of the oxide coated slurry of above-mentioned nanometer and Hydroxylated acrylic resin and hydroxy polyester resin and solvent vinyl acetic monomer and toluene are mixed, fully disperse this main body mixture with high speed dispersor or grinding plant; Wherein, with aforementioned body 100% weighing scale, AB1010 accounts for 0.01% in the described main body, and vinyl acetic monomer and toluene account for 3.99%, and zinc oxide accounts for 16%, and the mixture of Hydroxylated acrylic resin and hydroxy polyester resin accounts for 80%;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the curing agent diphenyl methane diisocyanate in the mixture of mensuration Hydroxylated acrylic resin and hydroxy polyester resin, then according to NCO group and OH group NCO:OH=0.8:1(mol ratio) proportion relation, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing.
A kind of solar cell backboard that adopts above-mentioned sizing agent composition to be composited as shown in Figure 1, is composited by weathering layer 1, adhesive layer 2, intermediate insulating layer 3, adhesive layer 2 and tack coat 4 coatings successively.
In the present embodiment, described weathering layer is weathering resistance PET film, and thickness is 35 μ m, and tack coat is the PVA film, and thickness is 75 μ m, and intermediate insulating layer is polyamide layer, and thickness is that the thickness of 270 μ m adhesive layers is 8 μ m.
The described solar cell backboard of above-described embodiment 1-5 is carried out respectively performance test, see Table 1.
Table 1
As can be seen from the table, the prepared backboard 1-5 splitting power of Application Example 1-5 sizing agent is large, and water vapor transmission rate (WVTR) is low, and water-tolerant, ultra-violet radiation resisting are strong, so that the backboard over-all properties is outstanding.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present invention to its suitable variation or modification of doing.
Claims (10)
1. sizing agent composition, it is characterized in that: comprise main body and auxiliary body, wherein, the main body chief component is that 20%-80% synthetic resins, 0.1%-20% nanometer are oxide coated, 0.01%-3% macromolecule dispersing agent, surplus are solvent, auxiliary body is the isocyanates solidifying agent, and the mole proportion relation of the NCO group in the solidifying agent and the OH group in the synthetic resins is NCO:OH=0.8 ~ 1.5:1.
2. sizing agent composition as claimed in claim 1 is characterized in that: the synthetic resins in the above-mentioned sizing agent composition is that one or both of Hydroxylated acrylic resin, hydroxy polyester resin are compound.
3. sizing agent composition as claimed in claim 1, it is characterized in that: above-mentioned isocyanates solidifying agent comprises tolylene diisocyanate, diphenylmethanediisocyanate, hexamethylene diisocyanate, 4, the mixture of one or more of 4'-dicyclohexyl methane diisocyanate, isophorone diisocyanate.
4. sizing agent composition as claimed in claim 1 is characterized in that: oxide coated one or more mixtures for the nano titanium oxide of mean particle size below 100nm, tindioxide, zirconium dioxide, zinc oxide of above-mentioned nanometer.
5. sizing agent composition as claimed in claim 1 is characterized in that: described macromolecule dispersing agent is the Disperbyk103 of German Bi Ke chemical company, Disperbyk106, Disperbyk107, Disperbyk110, Disperbyk111, Disperbyk115, Disperbyk130, Disperbyk160, Disperbyk162, Disperbyk163, Disperbyk164, Disperbyk2000; The Solsperse3000 of Aveciag company, Solsperse13940, Solsperse17000, Solsperse24000, Solsperse28000, Solsperse32000, Solsperse32500, Solsperse34750; The Texaphor963 of Henkel Corp., exaphor963s, Texaphor3061, Texaphor3073, Texaphor3241, Texaphor3112, Texaphor3250, Texaphor3287; The EFKA-44 of Holland EFKA auxiliary agent company, EFKA-46, EFKA-47, EFKA-48, EFKA-49, EFKA-54, EFKA-63, EFKA-64, EFKA-65, EFKA-701, EFKA-745, EFKA-765, EFKA-766; The Elvacite type dispersant A B1010 of E.I.Du Pont Company, AB1015, AB1020, AB1030.
6. sizing agent composition as claimed in claim 1 is characterized in that: above-mentioned solvent is that one or more of alkanes, benzene class, ketone and lipid are compound.
7. the sizing agent preparation method of composition is characterized in that comprising the steps:
1) main body preparation: at first macromolecule dispersing agent is added in the solvent, then it is oxide coated to add nanometer, disperse with high speed dispersor, rotating speed is 500-5000rpm, time is 5-90min, make the oxide coated slurry of nanometer, then with the oxide coated slurry of above-mentioned nanometer and synthetic resins and solvent, fully disperse this mixture with high speed dispersor or grinding plant, in the aforementioned body mixture, macromolecule dispersing agent accounts for 0.01%-3%, the oxide coated 0.1%-20% that accounts for of nanometer, synthetic resins accounts for 20%-80%, and surplus is solvent;
2) with after the aforementioned body filtration, the content of NCO group in the content of OH group and the solidifying agent in the mensuration synthetic resins, then according to the proportion relation of nco value and OH value, in main body, add solidifying agent and carry out the preparation second time, form the sizing agent composition after fully mixing, in the solidifying agent in NCO group and the synthetic resins mole proportion relation of OH group be NCO:OH=0.8 ~ 1.5:1.
8. solar cell backboard is characterized in that: be composited by weathering layer, adhesive layer, intermediate insulating layer, adhesive layer and tack coat coating successively; Wherein, sizing agent composition in the described adhesive layer is the described sizing agent composition of claim 1-6, the main body chief component is that 20%-80% synthetic resins, 0.1%-20% nanometer are oxide coated, 0.01%-3% macromolecule dispersing agent, surplus are solvent, auxiliary body is the isocyanates solidifying agent, method by twice preparation forms the sizing agent composition, in the solidifying agent in NCO group and the synthetic resins mol ratio proportion relation of OH group be NCO:OH=0.8 ~ 1.5:1.
9. solar cell backboard as claimed in claim 8, it is characterized in that: described weathering layer includes but are not limited to PVF film, pvdf membrane, ETFE film and weathering resistance PET film, and thickness is 15 ~ 35 μ m; Described tack coat includes but are not limited to PE film, PVA film and PE/EVA composite membrane, and thickness is 50 ~ 100 μ m; Described intermediate insulating layer includes but are not limited to polyester film, polyamide layer and Kapton, and thickness is 180 ~ 300 μ m.
10. solar cell backboard as claimed in claim 8, it is characterized in that: the thickness of described adhesive layer is 3-8 μ m.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104877625A (en) * | 2015-05-08 | 2015-09-02 | 浙江晶茂科技有限公司 | Adhesive and preparation method thereof |
| CN104946170A (en) * | 2015-07-09 | 2015-09-30 | 常州汇森电子有限公司 | Environment-friendly water-based nanometer adhesive and preparing method thereof |
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| CN106206788A (en) * | 2016-07-29 | 2016-12-07 | 无锡中洁能源技术有限公司 | Multiple field solar energy backboard |
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|---|---|---|---|---|
| CN105524585A (en) * | 2014-11-24 | 2016-04-27 | 比亚迪股份有限公司 | Adhesive and its preparation method and use |
| CN105524585B (en) * | 2014-11-24 | 2017-07-04 | 比亚迪股份有限公司 | A kind of adhesive and its preparation method and application |
| CN104485379A (en) * | 2014-12-25 | 2015-04-01 | 乐凯胶片股份有限公司 | Solar cell back panel |
| CN104877625A (en) * | 2015-05-08 | 2015-09-02 | 浙江晶茂科技有限公司 | Adhesive and preparation method thereof |
| CN104946170A (en) * | 2015-07-09 | 2015-09-30 | 常州汇森电子有限公司 | Environment-friendly water-based nanometer adhesive and preparing method thereof |
| CN106206796A (en) * | 2016-07-26 | 2016-12-07 | 无锡中洁能源技术有限公司 | A kind of high conversion solar energy back board structure |
| CN106206788A (en) * | 2016-07-29 | 2016-12-07 | 无锡中洁能源技术有限公司 | Multiple field solar energy backboard |
| CN108682707A (en) * | 2018-06-13 | 2018-10-19 | 常州回天新材料有限公司 | A kind of solar photovoltaic battery component transparent back panel for generating electricity on two sides |
| CN108682707B (en) * | 2018-06-13 | 2020-06-09 | 常州回天新材料有限公司 | Transparent back plate of solar photovoltaic cell module for double-sided power generation |
| CN111546729A (en) * | 2020-06-10 | 2020-08-18 | 昆山恒泰复合材料科技有限公司 | Anti-ultraviolet composite fabric for outdoor equipment protective cover and preparation method thereof |
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