CN103555015A - Preparation method of EVA adhesive film surface nano paint - Google Patents
Preparation method of EVA adhesive film surface nano paint Download PDFInfo
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- CN103555015A CN103555015A CN201310534294.1A CN201310534294A CN103555015A CN 103555015 A CN103555015 A CN 103555015A CN 201310534294 A CN201310534294 A CN 201310534294A CN 103555015 A CN103555015 A CN 103555015A
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- glued membrane
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- fatty alcohol
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000003973 paint Substances 0.000 title abstract description 6
- 239000002313 adhesive film Substances 0.000 title abstract 5
- 239000011248 coating agent Substances 0.000 claims abstract description 51
- 238000000576 coating method Methods 0.000 claims abstract description 51
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 30
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 30
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 30
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 30
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 16
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 16
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims description 65
- 239000006185 dispersion Substances 0.000 claims description 25
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 25
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000004581 coalescence Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007731 hot pressing Methods 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002103 nanocoating Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract description 63
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract description 63
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000002071 nanotube Substances 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 6
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 abstract 5
- 150000002191 fatty alcohols Chemical class 0.000 abstract 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000523 sample Substances 0.000 description 11
- 239000000306 component Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 239000012991 xanthate Substances 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polyoxyethylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a preparation method of an EVA (ethylene-vinyl acetate) adhesive film surface nano paint. The EVA adhesive film surface nano paint is composed of the following components in percentage by mass: 10-20% of carbon nanotube, 5-15% of nano silicon dioxide, 3-15% of fatty alcohol polyethenoxy ether, 3-5% of carboxymethyl cellulose, 3-5% of propylene glycol monomethyl ether acetate and the balance (10-30%) of organic solvent. The mass ratio of the fatty alcohol polyethenoxy ether to the carboxymethyl cellulose is 1:1-3:1; and the fatty alcohol polyethenoxy ether is used as a dispersant, the carboxymethyl cellulose is used as an adhesive, and the propylene glycol monomethyl ether acetate is used as a film-forming assistant. The coating film formed by the EVA adhesive film surface nano paint has electric conductivity and low yellowing rate, and enhances the photoelectric conversion rate of the battery pack; and the preparation method is simple in technique and convenient to operate, and can efficiently enable the carbon nanotubes and silicon dioxide nanotubes to be uniformly dispersed and fixed to the EVA adhesive film surface.
Description
Technical field
The preparation method who the present invention relates to a kind of EVA glued membrane nano surface coating, belongs to technical field of organic chemistry.
Background technology
Under the situation of global warming, human ecological environment deterioration, conventional energy resources shortage, the strategy of sustainable development is accepted by countries in the world.Sun power has the advantages such as spatter property, security, resource abundance, is 21st century one of most important new forms of energy, is subject to attention and the support of national governments.Photovoltaic market sharply expanded in recent years, and supply falls short of demand for photovoltaic product.
At present, at solar cell in process of production, need to encapsulate cell piece.The character of packaged material will determine performance and the life-span of solar module to a great extent.Good packaged material must have high-crosslinking-degree (or low-shrinkage), high-peeling strength, low xanthate ratio (or high visible transmittance).
EVA (ethylene-vinyl acetate copolymer) is a kind of thermoplastic macromolecule material, is the superpolymer of linearity molecular structure.By ethene and vinyl acetate, copolymerization under High Temperature High Pressure forms EVA.By regulating ethene and vinyl acetate ratio can obtain the EVA glued membrane of different transparencies, pliability and toughness.Add after linking agent, there is crosslinking curing in EVA glued membrane in packaged battery sheet, thereby eliminate the phenomenon of expanding with heat and contract with cold, and improves thermotolerance.Due to EVA glued membrane, to have low-shrinkage, high transmission rate, high-peeling strength, excellent weathering resistance and processibility etc. specific, become at present the most frequently used a kind of packaged material, when EVA glued membrane is packed for electrical equipment, electronic product etc., require film to there is certain antistatic performance.
In order to make EVA glued membrane there is low xanthate ratio, improve the high transmission rate of EVA glued membrane to visible ray, thereby improve the optoelectronic transformation efficiency of series of cells, conventionally adopt three kinds of methods: the first, add ultraviolet absorbers and photostabilizer, although shielded ultraviolet ray, owing to absorbing ultraviolet Conversion of energy, be heat energy, impelled the aging acceleration of EVA glued membrane; The second, adds antioxidant, eliminates the living radical that glued membrane is in use produced by excessive linking agent, because of such free radical will make ultraviolet absorbers or (with) photostabilizer generates the new compound with chromophore, thereby causes yellow; The third adds the nano particle of infrared reflection effect, yet is shielding the ultrared while, the problem that exists visible light part to weaken in film.
Summary of the invention
The technical problem that the present invention solves is: propose a kind of EVA glued membrane nano surface coating, the coating of the formed coating formation of this coating, cover film surface, can there is electroconductibility, low xanthate ratio, improve the photoelectric conversion rate of series of cells simultaneously, and a kind of technique is simple, easy to operate, can make efficiently carbon nanotube and Silica Nanotube dispersed and be fixed on the preparation method on EVA glued membrane surface.
In order to solve the technical scheme of above-mentioned one of them technical problem proposition, be: a kind of EVA glued membrane nano surface coating, composed of the following components according to mass percent: carbon nanotube 10～20%, nano silicon 5～15%, fatty alcohol-polyoxyethylene ether 3～15%, carboxymethyl cellulose 3～5%, 1-Methoxy-2-propyl acetate 3～5%, surplus is organic solvent, the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 1 ︰ 1 to 3 ︰ 1, wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, described carboxymethyl cellulose is as binding agent, described 1-Methoxy-2-propyl acetate is as film coalescence aid.
In order to make the good conductivity of this EVA glued membrane nano surface coating, a kind of preferred technical scheme is: the mass percent of described carbon nanotube is 15～20%.
In order to make the xanthate ratio of this EVA glued membrane nano surface coating low, light transmission good, a kind of preferred technical scheme is: the mass percent of described nano silicon is 10～12%.
In order to make, this EVA glued membrane nano surface coating is dispersed better, binding property is better, and a kind of preferred technical scheme is: the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 2 ︰ 1.
In order to make this EVA glued membrane nano surface paint stability better, described organic solvent is selected from a kind of of ethanol, propyl alcohol or Virahol.
The present invention for solving the technical scheme of above-mentioned another technical problem proposition is: a kind of preparation method's of EVA glued membrane nano surface coating preparation method, comprises the following steps:
A. prepare burden: take raw material, described EVA glued membrane nano surface coating is comprised of following according to mass percent: carbon nanotube 10～20%, nano silicon 5～15%, fatty alcohol-polyoxyethylene ether 3～15%, carboxymethyl cellulose 3～5%, 1-Methoxy-2-propyl acetate 3～5%, surplus is organic solvent, the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 1 ︰ 1 to 3 ︰ 1; Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid;
B. mix: add carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mix, stir formation suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine to disperseing to obtain dispersion liquid;
D. apply: by above-mentioned dispersion liquid at 20～40 ℃ sonic oscillation 20～30 minutes and dilute 2～4 times be coated to EVA glued membrane surface afterwards dry, solidify.
E. hot pressing: the nano coating that surface, EVA glued membrane surface is had carries out hot-pressing processing.
In order to make the good conductivity of this EVA glued membrane nano surface coating, a kind of preferred technical scheme is: the mass percent of described carbon nanotube is 15～20%.
In order to make the xanthate ratio of this EVA glued membrane nano surface coating low, light transmission good, a kind of preferred technical scheme is: the mass percent of described nano silicon is 10～12%.
In order to make, this EVA glued membrane nano surface coating is dispersed better, binding property is better, and a kind of preferred technical scheme is: the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 2 ︰ 1.
In order to make this EVA glued membrane nano surface paint stability better, described organic solvent is selected from a kind of of ethanol, propyl alcohol or Virahol.
Beneficial effect of the present invention is as follows:
(1) in the composition of EVA glued membrane nano surface coating of the present invention, comprise carbon nanotube, comparing traditional manufacture craft is in film, to add a large amount of conductive agents such as carbon black, and this technique is simple, can obtain and have good conductivity.
(2) EVA glued membrane nano surface coating of the present invention is used nano silicon, the coating that this coating forms covers film surface, when radiation acts on after film, transparent film plasma resonance wavelength is much smaller than incident wavelength, make incident wavelength in infrared region without seeing through, become high reflection, simultaneously higher to UV-light and ultrared shielding, and make the transmitance of visible ray high, the easy yellow problem of soluble film, and improved the photoelectric conversion rate of series of cells.
(3) the appropriate fatty alcohol-polyoxyethylene ether of EVA glued membrane nano surface coating selection of the present invention is as dispersion agent, select appropriate carboxymethyl cellulose as binding agent, select appropriate 1-Methoxy-2-propyl acetate as film coalescence aid, can make coating good dispersity, binding property is good, stability is high.
(4) EVA glued membrane nano surface preparation method for coating of the present invention, first by carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mixes, stirs formation suspension; Again above-mentioned suspension is sent to high-shear dispersion machine to disperseing to obtain dispersion liquid; Finally above-mentioned dispersion liquid is coated to EVA glued membrane surface dry, curing afterwards, technique is simple, easy and simple to handle, can make carbon nanotube and Silica Nanotube dispersed and be fixed on EVA glued membrane surface, guarantee coating good dispersity, binding property is good, stability is high simultaneously.
(5) EVA glued membrane nano surface preparation method for coating of the present invention adopts high-shear dispersion machine to disperse, the core component of high-shear dispersion machine is rotor/stator structure, the high tangential speed that rotor high-speed rotation produces and high frequency machinery effect belt carry out powerful kinetic energy, make material fixed, rotor is subject to strong mechanical shearing in narrow gap, fluid power is sheared, centrifugal extruding, liquid layer friction, shock is torn and the comprehensive actions such as turbulent flow, make immiscible liquid phase under the condition of corresponding maturation process, moment uniform, fine ground disperses, through moving in circles of high frequency, finally obtain stable high-quality product, with three-roller, ball mill, sand mill is compared, it is high that high-shear dispersion machine has efficiency, energy consumption is low.
Embodiment
Embodiment 1
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA glued membrane nano surface coating of the present embodiment, comprises following concrete steps:
A. prepare burden: according to above-mentioned formula consumption, take appropriate carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, 1-Methoxy-2-propyl acetate, ethanol, water, wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid;
B. mix: add carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mix, stir formation suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine to disperseing to obtain dispersion liquid;
D. apply: by above-mentioned dispersion liquid at 20～40 ℃ sonic oscillation 20 minutes and dilute 4 times be coated to EVA glued membrane surface afterwards dry, solidify.
E. hot pressing: the nano coating that surface, EVA glued membrane surface is had carries out hot-pressing processing.
Embodiment 2
The rest part of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1, and difference is:
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
The preparation method of the EVA glued membrane nano surface coating of the present embodiment rest part identical with embodiment 1, difference is: step D be by dispersion liquid at 20～40 ℃ sonic oscillation 30 minutes and dilute 2 times be coated to EVA glued membrane surface afterwards dry, solidify.
Embodiment 3
The rest part of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1, and difference is:
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Embodiment 4
The rest part of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1, and difference is:
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Embodiment 5
The rest part of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1, and difference is:
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
The concrete technical scheme being not limited to described in above-described embodiment of the present invention, all employings are equal to replaces the technical scheme forming and is the protection domain that the present invention requires.
(comparative example 1)
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1.
(comparative example 2)
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1.
(comparative example 3)
The EVA glued membrane nano surface coating of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA glued membrane nano surface coating of the present embodiment is identical with embodiment 1.
The coating that the coating of the various embodiments described above and comparative example is formed covers film surface, and the property indices of resulting EVA glued membrane is measured by the following method:
1, resistance to ultraviolet(ray) radiation energy
Test sample book is the glued membrane multi-disc of 0.5mm.Uv-radiation ageing testing method is the IEC61345 of International Electrotechnical Commission standard, and test condition is: 60 ± 5 ℃ of temperature, wavelength 200～400nm, irradiation intensity 15KWh/m2.Determination of light transmittance is pressed GB/T2410 standard, its printing opacity conservation rate=(sample mean transmittance/pre-irradiation sample mean transmittance after irradiation) * 100%.Xanthochromia index is analyzed according to GB2409-80.
2, wet and heat ageing resistant performance
Wet and heat ageing resistant testing method is pressed GB/T2423.3 standard, and test condition is: 85 ℃ of temperature, relative humidity 85%, time 2000h.Determination of light transmittance is pressed GB/T2410 standard, its printing opacity conservation rate=(sample mean transmittance/pre-irradiation sample mean transmittance after irradiation) * 100%.Xanthochromia index is analyzed according to GB2409-80.
3, photoelectric transformation efficiency
With embodiment and comparative example gained EVA glued membrane, encapsulate respectively monocrystaline silicon solar cell group, accordingly testing photoelectronic efficiency of conversion.
4, specific conductivity
The four point probe conductivity measurement of preparing with embodiment and comparative example gained eva film:
By described sample sand milling and polishing, and apply four electrodes that comprise silver-colored conductive paste.By use, be connected in the four point probe conductivity measuring method of the solid-state electrometer of Keithley Instruments610C of Jandel general probe, measure the specific conductivity of described sample.
Above-mentioned test result is as shown in the table:
The test-results of the sample of each embodiment of table 1 and comparative example
Comparative example 1 and each embodiment contrast known, there is no this component of nano silicon in comparative example 1, and the specific conductivity of result EVA glued membrane is 1.5, there is no conductivity.
Comparative example 2 contrasts known with each embodiment, select free alkylphenol polyoxyethylene alternative fats polyoxyethylenated alcohol as tackiness agent, select carboxymethyl cellulose to substitute carboxymethyl cellulose as tackiness agent, yet the printing opacity conservation rate of film and photoelectric conversion rate are all very low, and the experimental result of the embodiment 1 to 5 of employing fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is desirable.
Comparative example 3 contrasts known with each embodiment, the ratio of selecting fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 10:3, printing opacity conservation rate, photoelectric conversion rate and specific conductivity result thereof are all bad, and the printing opacity conservation rate of embodiment 1 to 5, photoelectric conversion rate and specific conductivity result thereof are obviously better than comparative example 3, shown the superiority of formula.
EVA glued membrane nano surface coating of the present invention and preparation method thereof is not limited to the various embodiments described above, and above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (6)
1. a preparation method for EVA glued membrane nano surface coating, is characterized in that: comprise the following steps:
A. prepare burden: take raw material, described EVA glued membrane nano surface coating is comprised of following according to mass percent: carbon nanotube 10～20%, nano silicon 5～15%, fatty alcohol-polyoxyethylene ether 3～15%, carboxymethyl cellulose 3～5%, 1-Methoxy-2-propyl acetate 3～5%, surplus is organic solvent, the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 1 ︰ 1 to 3 ︰ 1; Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described carboxymethyl cellulose is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid;
B. mix: add carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mix, stir formation suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine to disperseing to obtain dispersion liquid;
D. apply: by above-mentioned dispersion liquid at 20～40 ℃ sonic oscillation 20～30 minutes and dilute 2～4 times be coated to EVA glued membrane surface afterwards dry, solidify.
2.E. hot pressing: the nano coating that surface, EVA glued membrane surface is had carries out hot-pressing processing.
3. the preparation method of EVA glued membrane nano surface coating according to claim 1, is characterized in that: the mass percent of described carbon nanotube is 15～20%.
4. the preparation method of EVA glued membrane nano surface coating according to claim 1, is characterized in that: the mass percent of described nano silicon is 10～12%.
5. the preparation method of EVA glued membrane nano surface coating according to claim 1, is characterized in that: the mass ratio of described fatty alcohol-polyoxyethylene ether and carboxymethyl cellulose is 2 ︰ 1.
6. the preparation method of EVA glued membrane nano surface coating according to claim 1, is characterized in that: described organic solvent is selected from a kind of of ethanol, propyl alcohol or Virahol.
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| CN111761827A (en) * | 2020-06-09 | 2020-10-13 | 武汉理工大学 | Connecting process method for carbon fiber reinforced resin matrix composite material |
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| CN101781404A (en) * | 2009-12-10 | 2010-07-21 | 安徽金阳纳米科技有限公司 | Method for preparing carbon nanotube static conductive coating on surface of EVA thin film |
| CN102443287A (en) * | 2010-09-30 | 2012-05-09 | 三菱综合材料株式会社 | Transparent conductive film composition for solar cell and transparent conductive film thereof |
| WO2013038891A1 (en) * | 2011-09-16 | 2013-03-21 | 富士フイルム株式会社 | Electroconductive member, process for producing electro- conductive member, touch panel and solar cell |
| CN103360986A (en) * | 2012-03-31 | 2013-10-23 | 江南大学 | Novel high-thermal-conductive packaging material for solar module |
| CN103073965A (en) * | 2012-11-23 | 2013-05-01 | 高凡 | Novel nano transparent heat insulation coating |
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| CN111761827A (en) * | 2020-06-09 | 2020-10-13 | 武汉理工大学 | Connecting process method for carbon fiber reinforced resin matrix composite material |
| CN111761827B (en) * | 2020-06-09 | 2022-03-18 | 武汉理工大学 | Connecting process method for carbon fiber reinforced resin matrix composite material |
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| CN103555015B (en) | 2016-03-23 |
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