CN103666152A - Light gray dry-film conductive primer and preparation method thereof - Google Patents
Light gray dry-film conductive primer and preparation method thereof Download PDFInfo
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- CN103666152A CN103666152A CN201310657035.8A CN201310657035A CN103666152A CN 103666152 A CN103666152 A CN 103666152A CN 201310657035 A CN201310657035 A CN 201310657035A CN 103666152 A CN103666152 A CN 103666152A
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Abstract
A light gray dry-film conductive primer is mainly composed of 40-60 parts by weight of thermoplastic acrylic resin and 1-5 parts by weight of graphene. The provided light gray dry-film conductive primer is prepared by mixing surface modified graphene and thermoplastic acrylic resin and adding a solvent and rutile titanium white. The primer has the lightness (L value) more than 40 and the resistivity less than 0.3 M omega*cm. The primer has no influence on the color of a finishing coat, can help the finishing coat and varnish to realize electrostatic coating, and helps to improve the paint utilization rate and save material cost.
Description
Technical field
The present invention relates to a kind of coating with electric property, relate in particular to a kind of light grey dry film conductive primer, be applicable to the plastic bottom materials such as ABS/PC/HIPS, make plastic bottom material can use electrostatic coating.
Background technology
Electrically conducting coating is to follow modern science and technology and the special functional coating that develops rapidly, approximately has so far semicentennial developing history.1948, the U.S. has announced made the patent of conductive resin by silver and epoxy resin, and this is disclosed electrically conducting coating the earliest.China also begins one's study and applies electrically conducting coating in the 1950's.Even near year, electrically conducting coating is applied in the multiple military, civilian industrial circles such as electronics, electrical equipment, aviation, chemical industry, printing.Corresponding therewith, the theoretical investigation of electrically conducting coating is also developed rapidly, and has promoted the increasingly mature and perfect of utilisation technology.
Chinese invention patent ZL201110203853.1 discloses a kind of electroconductive graphene/polymer composite material, and this material electroconductibility is strong, for shielding electromagnetic wave or anti-electrostatic, but resistivity is too small, easily cause electrostatic coating voltage overload, have an accident, and color is Dark grey.
Summary of the invention
One object of the present invention is to provide a kind of light grey dry film conductive primer, makes plastic rubber substrate possess electroconductibility, allows finish paint and varnish realize electrostatic coating, improves paint utilization ratio, saves material cost.
Another object of the present invention is to provide a kind of preparation method of light grey dry film conductive primer, so that the lightness of the light grey dry film conductive primer of producing (L value) surpasses 40, and does not affect the color of finish paint, possesses electroconductibility.
Light grey dry film conductive primer provided by the invention, thermoplastic acrylic resin, because it has good surface drying speed and the preferential molecular weight 3000mpa.s-6000mpa.s that selects of pigment wettability conduct, total consumption is 40-60 weight part.
Thermoplastic acrylic resin belongs to current the be familiar with class acrylic resin of those skilled in the art, its class acrylic resin for mainly being made by polymerizations such as vinylformic acid, methacrylic acid and derivatives thereof (as: ester class, nitrile and amides), as: but be not limited only to HypomerAC-7435(sea Ming Sideqian company), Setalux2119TB-50(Niu Peisi resin company) and ZHL-134(Di Aisheng company), the thermoplastic acrylic resin of these different models can be separately or mixing be applied to the present invention.
Light grey dry film conductive primer provided by the invention, is also used 1-5 weight part Graphene and thermoplastic acrylic resin jointly to form.Preferential selection, the Graphene of use surface modification, even if Graphene is scattered in dispersing auxiliary.
The dispersing auxiliary that is applicable to Graphene of the present invention as: but be not limited only to BYK163, AFCONA4071 and Disponer903, it can separately or mix and is applied to the present invention.The preferential AFCONA4071 that selects, is used the dispersing auxiliary of 1-3 weight part to carry out surface modification to Graphene.
A kind of light grey dry film conductive primer provided by the invention, mainly thermoplastic acrylic resin and the 1-5 weight part Graphene by 40-60 weight part forms jointly.Preferential selection, Graphene median size≤10 μ m, and there are different specific conductivity; But be not limited only to SE1231, SE52X0 and SE6240.The Graphene of these kinds can be separately or is mixed and be applied to the present invention.
A kind of light grey dry film conductive primer provided by the invention, mainly thermoplastic acrylic resin and the 1-5 weight part Graphene by 40-60 weight part forms, and also adds 20-40 parts by weight solvent and 10-15 weight part rutile titanium white pigments.
The various light grey dry film conductive primers of the present invention solvent used as: but be not limited only to benzene, dimethylbenzene, vinyl acetic monomer, N-BUTYL ACETATE, Virahol, isopropylcarbinol, propyl carbinol and 1-Methoxy-2-propyl acetate.These solvents can be separately or are mixed and be applied to the present invention.
The various light grey dry film conductive primer of the present invention rutile titanium white used is that a kind of pigment can be buied from market, as: the R902 that E.I.Du Pont Company produces.The concrete model of rutile titanium white slurry limits the present invention with must not originate.
The invention provides a kind of preparation method of light grey dry film conductive primer, first produce respectively Graphene slurry and rutile and starch too in vain, then Graphene slurry is starched and mixed for 2: 1 by weight too in vain with rutile, make lightness surpass 40, mixture dry film resistivity≤0.3M Ω .cm.For making priming paint be applicable to application, also can add appropriate solvent with adjusting viscosity.
In the solvent that Graphene slurry adds 20-30 weight part by the Graphene of 1-5 weight part, soak 10 hours-14 hours, stir and slowly add the dispersing auxiliary of 1-3 weight part, after graphene uniform disperses (being dispersed with the viscosity 70-100KU of the dispersing auxiliary of Graphene), after add 20-40 weight part thermoplastic acrylic resin, continue to stir, until mixture fineness≤30 μ m, mixture dry film resistivity≤0.01M Ω .cm.
Rutile is starched too in vain by 20-40 weight part thermoplastic acrylic resin, 20-40 weight part rutile titanium white and 10-20 parts by weight solvent and is formed.
The beneficial effect that technical solution of the present invention realizes:
Light grey dry film conductive primer provided by the invention, mixes the Graphene of surface modification with thermoplasticity based acrylic resin, being equipped with solvent and rutile titanium white, make.This priming paint has lightness (L value) and surpasses 40, and resistivity is less than 0.3M Ω .cm.On the color of finish paint, without impact, can make finish paint and varnish realize electrostatic coating, improve paint utilization ratio, save material cost.
Light grey dry film conductive primer provided by the invention, is applicable to vehicle plastic part electrostatic coating, improves finish paint and varnish utilization ratio 30%-40%.
Embodiment
Below describe technical scheme of the present invention in detail.The embodiment of the present invention is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical scheme of invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in claim scope of the present invention.
If the present invention's reagent used does not clearly indicate, use technical grade.
The light grey dry film conductive primer that following each embodiment (referring to table 1 and table 2) of the present invention relates to, all makes as follows:
The Graphene of 1-5 weight part is added in the solvent of 20-30 weight part and soak, stir and slowly add the dispersing auxiliary of 1-3 weight part, after graphene uniform disperses, add 20-40 weight part thermoplastic acrylic resin, continue to stir, until mixture fineness≤30um, mixture dry film resistivity≤0.01M Ω .cm, the rutile titanium white slurry that finally adds 10-30 weight part, requires lightness (L value) to surpass 40, mixture dry film resistivity≤0.3M Ω .cm.Final adjusting viscosity, obtains light grey dry film conductive primer.
Table 1
Through investigation, utilize AFCONA4071 best to the dispersion effect of Graphene, minimum to Graphene (weight ratio) consumption.
Use pre-dispersed good resin Graphene mixture, investigate the rutile titanium white slurry that adds Different Weight part, the conductive primer details that make are in Table 2.
Table 2
Through relatively drawing, the most applicable electrostatic coating of resistance value of embodiment 3, L value is medium, does not affect finish paint color, although embodiment 2 and 4 L values are higher, of light color, resistance value is excessive, is not suitable for electrostatic coating.Though embodiment 1 resistance value is little, but L value is less, and color is dark, affects finish paint color.
To gained conductive primer, after cryodrying film forming, gained paint film properties detects, and the results are shown in Table 3.
Table 3
Gained conductive primer of the present invention, can reduce plastic bottom material resistance, and applicable electrostatic coating improves paint utilization ratio more than 30%, and does not affect the aberration of white, redness and the light finish paint such as yellow.
Claims (10)
1. a light grey dry film conductive primer, is characterized in that main thermoplastic acrylic resin and 1-5 weight part Graphene by 40-60 weight part forms jointly;
Described thermoplastic acrylic resin molecular weight is 3000mpa.s-6000mpa.s.
2. light grey dry film conductive primer according to claim 1, is characterized in that also adding 10-15 weight part rutile titanium white.
3. light grey film conductive primer according to claim 1, is characterized in that adding solvent, and total amount is 20-40 weight part.
4. light grey dry film conductive primer according to claim 1, is characterized in that described thermoplastic acrylic resin is selected from one or more of HypomerAC-7435, Setalux2119TB-50 and ZHL-134.
5. light grey dry film conductive primer according to claim 1, is characterized in that described Graphene is scattered in dispersing auxiliary, and described dispersing auxiliary is selected from one or more of BYK163, AFCONA4071 and Disponer903.
6. light grey dry film conductive primer according to claim 1, is characterized in that described Graphene median size≤10 μ m, resistivity≤0.000001 Ω .cm.
7. light grey dry film conductive primer according to claim 1, is characterized in that described Graphene is selected from one or more of SE1231, SE52X0 and SE6240.
8. light grey dry film conductive primer according to claim 1, is characterized in that described solvent is selected from one or more of benzene, dimethylbenzene, vinyl acetic monomer, N-BUTYL ACETATE, Virahol, isopropylcarbinol, propyl carbinol and 1-Methoxy-2-propyl acetate.
9. produce a method for the described light grey dry film conductive primer of one of claim 1-8, it is characterized in that Graphene slurry to starch and mix for 2: 1 by weight too in vain with rutile, make lightness surpass 40, mixture dry film resistivity≤0.3M Ω .cm;
In the solvent that described Graphene slurry adds 20-30 weight part by the Graphene of 1-5 weight part, soak, stir and slowly add the dispersing auxiliary of 1-3 weight part, after Graphene is dispersed to viscosity 70-100KU, add 20-40 weight part thermoplastic acrylic resin, continue to stir, until mixture fineness≤30um, mixture dry film resistivity≤0.01M Ω .cm;
Described rutile titanium white slurry is comprised of 20-40 weight part thermoplastic acrylic resin, 20-40 weight part rutile titanium white and 10-20 parts by weight solvent.
10. the method for producing light grey dry film conductive primer according to claim 9, the time that it is characterized in that soaking described Graphene is 10 hours-14 hours.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194455A (en) * | 2014-08-25 | 2014-12-10 | 鸿纳（东莞）新材料科技有限公司 | Graphene coating as well as preparation method and coating method thereof |
| CN105086682A (en) * | 2014-10-30 | 2015-11-25 | 合肥蓝天家具制造有限责任公司 | Graphene anticorrosion paint |
| CN106634312A (en) * | 2016-12-29 | 2017-05-10 | 山东非金属材料研究所 | Electric conduction spray paint |
| CN106883704A (en) * | 2017-03-09 | 2017-06-23 | 常州大学 | A kind of attapulgite graphene composite conductive priming paint and preparation method thereof |
| CN107141918A (en) * | 2017-06-12 | 2017-09-08 | 常州第六元素材料科技股份有限公司 | The application of priming paint and preparation method thereof and the priming paint in as static conductive priming paint |
| CN107793869A (en) * | 2017-11-27 | 2018-03-13 | 重庆三峡油漆股份有限公司 | Graphene conductive coating with superelevation conductive capability |
| CN110221520A (en) * | 2018-03-02 | 2019-09-10 | 常州强力电子新材料股份有限公司 | The modified dry film photoresist of graphene and its application in printed wiring board |
| GB2600786A (en) * | 2020-10-27 | 2022-05-11 | Haydale Tech Thailand Company Limited | Primer composition |
| CN116063887A (en) * | 2023-01-13 | 2023-05-05 | 浙江尚品飞轿制漆有限公司 | High-weather-resistance and super-wear-resistance electrostatic coating water-based finish paint and preparation method thereof |
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| JPS58167658A (en) * | 1982-03-29 | 1983-10-03 | Nippon Oil & Fats Co Ltd | Electrically conductive primer composition |
| KR20110031569A (en) * | 2009-09-21 | 2011-03-29 | 동우 화인켐 주식회사 | Anti-static coating agent composition and optical film using the same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194455A (en) * | 2014-08-25 | 2014-12-10 | 鸿纳（东莞）新材料科技有限公司 | Graphene coating as well as preparation method and coating method thereof |
| CN105086682A (en) * | 2014-10-30 | 2015-11-25 | 合肥蓝天家具制造有限责任公司 | Graphene anticorrosion paint |
| CN106634312A (en) * | 2016-12-29 | 2017-05-10 | 山东非金属材料研究所 | Electric conduction spray paint |
| CN106883704A (en) * | 2017-03-09 | 2017-06-23 | 常州大学 | A kind of attapulgite graphene composite conductive priming paint and preparation method thereof |
| CN107141918A (en) * | 2017-06-12 | 2017-09-08 | 常州第六元素材料科技股份有限公司 | The application of priming paint and preparation method thereof and the priming paint in as static conductive priming paint |
| CN107793869A (en) * | 2017-11-27 | 2018-03-13 | 重庆三峡油漆股份有限公司 | Graphene conductive coating with superelevation conductive capability |
| CN110221520A (en) * | 2018-03-02 | 2019-09-10 | 常州强力电子新材料股份有限公司 | The modified dry film photoresist of graphene and its application in printed wiring board |
| CN110221520B (en) * | 2018-03-02 | 2021-10-08 | 常州强力电子新材料股份有限公司 | Graphene modified dry film photoresist and application thereof in printed circuit board |
| GB2600786A (en) * | 2020-10-27 | 2022-05-11 | Haydale Tech Thailand Company Limited | Primer composition |
| CN116063887A (en) * | 2023-01-13 | 2023-05-05 | 浙江尚品飞轿制漆有限公司 | High-weather-resistance and super-wear-resistance electrostatic coating water-based finish paint and preparation method thereof |
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