CN103555025B - A kind of preparation method of EVA film surface paint - Google Patents
A kind of preparation method of EVA film surface paint Download PDFInfo
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- CN103555025B CN103555025B CN201310534943.8A CN201310534943A CN103555025B CN 103555025 B CN103555025 B CN 103555025B CN 201310534943 A CN201310534943 A CN 201310534943A CN 103555025 B CN103555025 B CN 103555025B
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- polyoxyethylene ether
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- 239000003973 paint Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000006185 dispersion Substances 0.000 claims abstract description 31
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 28
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 28
- 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
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 10
- 238000004581 coalescence Methods 0.000 claims abstract description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 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
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012991 xanthate Substances 0.000 abstract description 6
- 239000002071 nanotube Substances 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 63
- 239000005038 ethylene vinyl acetate Substances 0.000 description 48
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 48
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000523 sample Substances 0.000 description 11
- 239000000306 component Substances 0.000 description 10
- 239000002313 adhesive film Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000007639 printing Methods 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 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
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 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
- 235000019241 carbon black Nutrition 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 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
- 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
- 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
- 238000004806 packaging method and process Methods 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)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of preparation method of EVA film surface paint, composed of the following components according to mass percent: carbon nanotube 5 ~ 10%, nano silicon 5 ~ 15%, fatty alcohol-polyoxyethylene ether 3 ~ 15%, vinylformic acid 3 ~ 5%, 1-Methoxy-2-propyl acetate 3 ~ 5%, surplus is organic solvent, described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 1 ︰ 1 to 3 ︰ 1, wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, described vinylformic acid is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.The film that the coating that this EVA film surface paint is formed covers can have 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 film surface.
Description
Technical field
The present invention relates to a kind of preparation method of EVA film surface paint, belong 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 products.
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.EVA by ethene and vinyl acetate at high temperature under high pressure copolymerization form.By the EVA adhesive film regulating ethene and vinyl acetate ratio can obtain different transparency, pliability and toughness.After adding linking agent, there is crosslinking curing in EVA adhesive film while packaged battery sheet, thus eliminate phenomenon of expanding with heat and contract with cold, and improves thermotolerance.Due to EVA adhesive film, to have low-shrinkage, high transmission rate, high-peeling strength, excellent weathering resistance and processibility etc. specific, become the most frequently used a kind of packaged material at present, when eva film is used for the packaging such as electrical equipment, electronic product, then require that film has certain antistatic performance.
In order to make EVA adhesive film, there is low xanthate ratio, improve EVA adhesive film to the high transmission rate of visible ray, thus improve the optoelectronic transformation efficiency of series of cells, usual employing three kinds of methods: the first, add ultraviolet absorbers and photostabilizer, although shield ultraviolet, be heat energy owing to absorbing ultraviolet Conversion of energy, impelled the aging acceleration of EVA adhesive film; The second, add antioxidant, eliminate the living radical that in use produced by excessive linking agent of glued membrane, because of such free radical will make ultraviolet absorbers or (with) photostabilizer generates the new compound being with chromophore, thus causes yellow; The third, add the nano particle of infrared reflection effect in the film, but shielding ultrared while, there is the problem that visible light part weakens.
Summary of the invention
The technical problem that the present invention solves is: propose a kind of EVA film surface paint, the coating of the coating formation that this coating is formed, cover film surface, electroconductibility, low xanthate ratio can be had, 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 film surface.
The technical scheme proposed to solve one of them technical problem above-mentioned is: a kind of EVA film surface paint, composed of the following components according to mass percent: carbon nanotube 5 ~ 10%, nano silicon 5 ~ 15%, fatty alcohol-polyoxyethylene ether 3 ~ 15%, vinylformic acid 3 ~ 5%, 1-Methoxy-2-propyl acetate 3 ~ 5%, surplus is organic solvent, described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 1 ︰ 1 to 3 ︰ 1, wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, described vinylformic acid 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 film surface paint, a kind of preferred technical scheme is: the mass percent of described carbon nanotube is 8 ~ 10%.
In order to make, the xanthate ratio of this EVA film surface paint is low, light transmission good, and a kind of preferred technical scheme is: the mass percent of described nano silicon is 10 ~ 12%.
In order to make, this EVA film surface paint is dispersed better, binding property is better, and a kind of preferred technical scheme is: described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 2 ︰ 1.
In order to make this EVA film surface paint stability better, described organic solvent is selected from the one of ethanol, propyl alcohol or Virahol.
The present invention is the technical scheme solving another technical problem above-mentioned proposition: a kind of preparation method of EVA film surface paint, comprises the following steps:
A. prepare burden: take raw material, described EVA film surface paint is made up of following according to mass percent: carbon nanotube 5 ~ 10%, nano silicon 5 ~ 15%, fatty alcohol-polyoxyethylene ether 3 ~ 15%, vinylformic acid 3 ~ 5%, 1-Methoxy-2-propyl acetate 3 ~ 5%, organic solvent 10 ~ 30%, surplus is water, and described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 1 ︰ 1 to 3 ︰ 1; Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid 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, vinylformic acid, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mixing, stirring form suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine and obtain dispersion liquid to carrying out dispersion;
D. spray: by above-mentioned dispersion liquid sonic oscillation 20 ~ 30 minutes dilute 2 ~ 4 times and spray to dry behind eva film surface, solidification at 20 ~ 40 DEG C.
In order to make the good conductivity of this EVA film surface paint, a kind of preferred technical scheme is: the mass percent of described carbon nanotube is 8 ~ 10%.
In order to make, the xanthate ratio of this EVA film surface paint is low, light transmission good, and a kind of preferred technical scheme is: the mass percent of described nano silicon is 10 ~ 12%.
In order to make, this EVA film surface paint is dispersed better, binding property is better, and a kind of preferred technical scheme is: described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 2 ︰ 1.
In order to make this EVA film surface paint stability better, described organic solvent is selected from the one of ethanol, propyl alcohol or Virahol.
Beneficial effect of the present invention is as follows:
(1) comprise carbon nanotube in the composition of EVA film surface paint of the present invention, comparing traditional manufacture craft is in film, add the conductive agents such as a large amount of carbon blacks, and this technique is simple, can obtain and have excellent conductivity.
(2) EVA film surface paint of the present invention uses nano silicon, the coating that this coating is formed covers film surface, after radiation acts on film, transparent film plasma resonance wavelength much smaller than incident wavelength, make incident wavelength in infrared region without through, become high reverse--bias, simultaneously to UV-light and ultrared shielding higher, and make the transmitance of visible ray high, the easy yellow problem of soluble film, and improve the photoelectric conversion rate of series of cells.
(3) EVA film surface paint of the present invention selects appropriate fatty alcohol-polyoxyethylene ether as dispersion agent, select appropriate vinylformic acid as binding agent, select appropriate 1-Methoxy-2-propyl acetate as film coalescence aid, can make that coating good dispersity, binding property are good, stability is high.
(4) EVA film surface paint preparation method of the present invention is first by carbon nanotube, nano silicon, fatty alcohol-polyoxyethylene ether, vinylformic acid, 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 and obtain dispersion liquid to carrying out dispersion; Dry after finally above-mentioned dispersion liquid being sprayed to eva film surface, solidification, technique is simple, easy and simple to handle, can make carbon nanotube and Silica Nanotube dispersed and be fixed on eva film surface, ensure that coating good dispersity, binding property are good, stability is high simultaneously.
(5) EVA film surface paint preparation method of the present invention adopts high-shear dispersion machine to disperse, the core component of high-shear dispersion machine is rotor/stator structure, rotor high-speed rotates the high tangential speed that produces and high frequency machinery effect belt carrys out powerful kinetic energy, make material fixed, strong mechanical shearing is subject in the gap that rotor is narrow, aquashear, centrifugal extruding, liquid layer rubs, shock is torn and the comprehensive actions such as turbulent flow, make immiscible liquid phase under the condition of corresponding maturation process, the ground dispersion of moment uniform, fine, moving in circles through 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 film surface paint of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA film surface paint of the present embodiment, comprises following concrete steps:
A. prepare burden: take appropriate carbon nanotube according to above-mentioned formula consumption, nano silicon, fatty alcohol-polyoxyethylene ether, vinylformic acid, 1-Methoxy-2-propyl acetate, ethanol, water, wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid 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, vinylformic acid, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mixing, stirring form suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine and obtain dispersion liquid to carrying out dispersion;
D. spray: by above-mentioned dispersion liquid sonic oscillation 20 minutes dilute 4 times and spray to dry behind eva film surface, solidification at 20 ~ 40 DEG C.
Embodiment 2
The rest part of the EVA film surface paint of the present embodiment is identical with embodiment 1, and difference is:
The EVA film surface paint of the present embodiment, composed of the following components:
The preparation method of the EVA film surface paint of the present embodiment rest part identical with embodiment 1, difference is: step D be by dispersion liquid at 20 ~ 40 DEG C sonic oscillation 30 minutes and dilute 2 times spray to eva film surface after dry, solidification.
Embodiment 3
The rest part of the EVA film surface paint of the present embodiment is identical with embodiment 1, and difference is:
The EVA film surface paint of the present embodiment, composed of the following components:
Embodiment 4
The rest part of the EVA film surface paint of the present embodiment is identical with embodiment 1, and difference is:
The EVA film surface paint of the present embodiment, composed of the following components:
Embodiment 5
The rest part of the EVA film surface paint of the present embodiment is identical with embodiment 1, and difference is:
The EVA film surface paint of the present embodiment, composed of the following components:
The concrete technical scheme be not limited to described in above-described embodiment of the present invention, all employings are equal to replaces the protection domain that the technical scheme formed is application claims.
(comparative example 1)
The EVA film surface paint of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA film surface paint of the present embodiment is identical with embodiment 1.
(comparative example 2)
The EVA film surface paint of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA film surface paint of the present embodiment is identical with embodiment 1.
(comparative example 3)
The EVA film surface paint of the present embodiment, composed of the following components:
Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid is as binding agent, and described 1-Methoxy-2-propyl acetate is as film coalescence aid.
The preparation method of the EVA film surface paint 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 is covered film surface, obtain EVA adhesive film property indices measure 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 International Electrotechnical Commission IEC61345 standard, and test condition is: temperature 60 ± 5 DEG C, wavelength 200 ~ 400nm, irradiation intensity 15KWh/m2.Determination of light transmittance presses GB/T2410 standard, its printing opacity conservation rate=(sample mean transmittance after irradiation/pre-irradiation sample mean transmittance) × 100%.Yellowness index is analyzed according to GB2409-80.
2, wet and heat ageing resistant performance
Wet and heat ageing resistant testing method presses GB/T2423.3 standard, and test condition is: temperature 85 DEG C, relative humidity 85%, time 2000h.Determination of light transmittance presses GB/T2410 standard, its printing opacity conservation rate=(sample mean transmittance after irradiation/pre-irradiation sample mean transmittance) × 100%.Yellowness index is analyzed according to GB2409-80.
3, photoelectric transformation efficiency
Monocrystaline silicon solar cell group is encapsulated respectively, testing photoelectronic efficiency of conversion accordingly by embodiment and comparative example gained EVA adhesive film.
4, specific conductivity
Four point probe conductivity measurement with prepared by embodiment and comparative example gained eva film:
By described sample sand milling and polishing, and apply the electrode that four comprise silver-colored conductive paste.By using the four point probe conductivity measuring method being connected to the solid-state electrometer of KeithleyInstruments610C 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
It is known that comparative example 1 and each embodiment carry out contrast, and do not have this component of nano silicon in comparative example 1, the specific conductivity of result eva film is 1.5, does not have conductivity.
It is known that comparative example 2 and each embodiment carry out contrast, select free alkylphenol polyoxyethylene alternative fats polyoxyethylenated alcohol as tackiness agent, carboxymethyl cellulose is selected to substitute vinylformic acid as tackiness agent, but film printing opacity conservation rate and photoelectric conversion rate all very low, and adopt the experimental result of fatty alcohol-polyoxyethylene ether and acrylic acid embodiment 1 to 5 desirable.
It is known that comparative example 3 and each embodiment carry out contrast, fatty alcohol-polyoxyethylene ether and acrylic acid ratio is selected to be 10:3, printing opacity conservation rate, photoelectric conversion rate and Conductivity Results thereof are all bad, and the printing opacity conservation rate of embodiment 1 to 5, photoelectric conversion rate and Conductivity Results thereof are obviously better than comparative example 3, show the superiority of formula.
EVA film surface paint 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 the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (5)
1. a preparation method for EVA film surface paint, is characterized in that: comprise the following steps:
A. prepare burden: take raw material, described EVA film surface paint is made up of following according to mass percent: carbon nanotube 5 ~ 10%, nano silicon 5 ~ 15%, fatty alcohol-polyoxyethylene ether 3 ~ 15%, vinylformic acid 3 ~ 5%, 1-Methoxy-2-propyl acetate 3 ~ 5%, organic solvent 10 ~ 30%, surplus is water, and described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 1 ︰ 1 to 3 ︰ 1; Wherein said fatty alcohol-polyoxyethylene ether is as dispersion agent, and described vinylformic acid 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, vinylformic acid, 1-Methoxy-2-propyl acetate, organic solvent and water, fully mixing, stirring form suspension;
C. disperse: under room temperature, above-mentioned suspension is sent to high-shear dispersion machine and carry out dispersion and obtain dispersion liquid;
D. spray: by above-mentioned dispersion liquid sonic oscillation 20 ~ 30 minutes dilute 2 ~ 4 times and spray to dry behind eva film surface, solidification at 20 ~ 40 DEG C.
2. the preparation method of EVA film surface paint according to claim 1, is characterized in that: the mass percent of described carbon nanotube is 8 ~ 10%.
3. the preparation method of EVA film surface paint according to claim 1, is characterized in that: the mass percent of described nano silicon is 10 ~ 12%.
4. the preparation method of EVA film surface paint according to claim 1, is characterized in that: described fatty alcohol-polyoxyethylene ether and acrylic acid mass ratio are 2 ︰ 1.
5. the preparation method of EVA film surface paint according to claim 1, is characterized in that: described organic solvent is selected from the one of ethanol, propyl alcohol or Virahol.
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN102034877A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | Conductive paste for solar cell and preparation method thereof |
| 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 |
| CN102533163A (en) * | 2011-12-28 | 2012-07-04 | 广州鹿山新材料股份有限公司 | Preparing method of high reflectance rate ethylene-vinyl-acetate copolymer composition |
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- 2013-11-01 CN CN201310534943.8A patent/CN103555025B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034877A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | Conductive paste for solar cell and preparation method thereof |
| 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 |
| CN102533163A (en) * | 2011-12-28 | 2012-07-04 | 广州鹿山新材料股份有限公司 | Preparing method of high reflectance rate ethylene-vinyl-acetate copolymer composition |
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Effective date of registration: 20180627 Address after: 525000 A-03, Henan First District, Maoming high tech Industrial Development Zone, Guangdong Patentee after: GUANGDONG LUSHU ENVIRONMENTAL COATING TECHNOLOGY CO.,LTD. Address before: 215128 golden silk industrial park, Guo Xiang, Wuzhong District, Suzhou, Jiangsu Patentee before: SUZHOU TECHNIQUE SOLAR FILM MATERIAL Co.,Ltd. |
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Denomination of invention: Preparation method of EVA film surface coating Granted publication date: 20151118 Pledgee: China Construction Bank Corporation Maoming Branch Pledgor: GUANGDONG LUSHU ENVIRONMENTAL COATING TECHNOLOGY CO.,LTD. Registration number: Y2024980046576 |