CN102702892A - Conducting paint composition and preparation method thereof - Google Patents

Conducting paint composition and preparation method thereof Download PDF

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Publication number
CN102702892A
CN102702892A CN2012101971884A CN201210197188A CN102702892A CN 102702892 A CN102702892 A CN 102702892A CN 2012101971884 A CN2012101971884 A CN 2012101971884A CN 201210197188 A CN201210197188 A CN 201210197188A CN 102702892 A CN102702892 A CN 102702892A
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mixture
compsn
resin
agent
coupling agent
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祝盆鑫
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TIANCHANG YINHU PAINT Co Ltd
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TIANCHANG YINHU PAINT Co Ltd
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Priority to CN2012101971884A priority Critical patent/CN102702892A/en
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Abstract

The invention relates to a conducting paint composition which comprises the components by mass percent: 12-58% of resin, 20-50% of polymer coated carbon nanotube, 5-20% of coupling agent, and 5-20% of solvent. The invention also provides a preparation method of the conducting paint composition. Beside excellent conductivity, the coating has excellent water resistance, corrosion resistance and pollution resistance; and in use, the coating does not cause substrate bursting, and is environment-friendly.

Description

A kind of conducting paint composite and preparation method thereof
Technical field
The invention belongs to the electrically conducting coating field, particularly, the present invention relates to a kind of conducting paint composite and preparation method thereof.
Background technology
Along with the development of information, household electrical appliances, electronics, military affairs and aeronautical technology, the hazardness of electromagenetic wave radiation receives people's great attention.Electromagenetic wave radiation not only influences the healthy of human body, also disturbs the normal functions of use of electronics simultaneously.How to prevent effectively that the interference of electromagenetic wave radiation from receiving people's attention day by day.A large amount of uses of the plastic bottom material of high resistivity at present make and prevent that electromagnetic interference is even more important.
The method that prevents electromagnetic radiation commonly used makes ground have conduction current and the ability of getting rid of accumulate static charge, thereby plays the effect that prevents electromagnetic interference for the surface at ground forms conductive layer.Can be through vacuum sputtering, electroplate, be coated with mode such as electrically conducting coating and form conductive layer on the surface of ground.Compare with plating mode with vacuum sputtering, electrically conducting coating has plurality of advantages such as easy construction, equipment are simple, with low cost, applied range, is particularly useful for the coating of various surfaces of complex shape.
For example, CN 1441014A discloses a kind of environment protecting nano conducting paint composite, it is characterized in that; In the conducting paint composite gross weight; This conducting paint composite contains the film-forming resin of 5-80%, the nano conducting powders of 2-80%, the solvent of 10-90%; The surface-modifying agent of the metallics fixing agent of 1-20% and the nanoparticle of 0.01-15%; Wherein film-forming resin is selected from one or more in the following resin: aminoresin, vinyl resin, urethane and epoxy resin, and the molecular weight ranges of the aminoresin of selecting for use is 8000-100000, the molecular weight of vinyl resin is 10000-100000; Urethane viscosity is the 100-1500 centipoise, and the viscosity of epoxy resin is the 100-1200 centipoise; Employed solvent is a dibasic acid esters, and said dibasic acid esters is at least two kinds a synthetics in glutarate, adipic acid ester and the succinic diester.The shortcoming of this conducting paint composite is in the use of conducting paint composite, to cause ground to disturb song or explosion easily.
CN101096470 discloses a kind of conducting paint composite, and said composition comprises conducting particles, resin and solvent, and wherein, said resin is a spirit-soluble resin, and said solvent is pure soluble solvent.The conducting paint composite kind that provides in this invention; Employed resin and solvent are respectively spirit-soluble resin and alcoholic solvent; Since spirit-soluble resin and alcoholic solvent to the corrodibility of ground very a little less than, therefore, the conducting paint composite of this invention can not cause the ground explosion in use.And spirit-soluble resin and alcoholic solvent are very little to the pungency of human body and environment, have the characteristic of environmental protection, but this water-resistant coating is relatively poor.
Summary of the invention
One of the object of the invention is to provide a kind of conducting paint composite, and this coating also has excellent water tolerance, erosion resistance and stain resistance except that having excellent conductivity, can not cause the ground explosion during use, and environmentally friendly.
In order to achieve the above object, the present invention has adopted following technical scheme:
Said conducting paint composite comprises by mass percentage:
Figure BDA00001767532900021
As optimal technical scheme, said compsn comprises by mass percentage:
Figure BDA00001767532900022
As optimal technical scheme, said compsn comprises by mass percentage:
Figure BDA00001767532900031
The mass percent of said resin is 13 ~ 57%, for example 14%, 16%, 18%, 20%, 22%, 24%, 56%, 54%, 52%, 50%, 48%, 46%, and preferred 15 ~ 55%, further preferred 20 ~ 50%.
The mass percent of said polymer overmold carbon nanotube is 22 ~ 48%, for example 24%, 26%, 28%, 30%, 32%, 46%, 44%, 42%, 40%, and preferred 25 ~ 45%, further preferred 30 ~ 40%.
The mass percent of said coupling agent is 6 ~ 20%, for example 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, and preferred 10 ~ 20%, further preferred 12 ~ 20%.
The mass percent of said solvent is 6 ~ 20%, for example 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, and preferred 10 ~ 20%, further preferred 12 ~ 20%.
As optimal technical scheme, said resin is selected from the mixture of a kind of in epoxy resin, Synolac, aminoresin, vinyl resin, resol, urethane resin, the fluorocarbon resin or at least two kinds.Said mixture is the mixture of epoxy resin and Synolac for example, the mixture of fluorocarbon resin and urethane resin, the mixture of resol and vinyl resin; The mixture of aminoresin and epoxy resin; The mixture of Synolac and fluorocarbon resin, the mixture of urethane resin and resol, the mixture of vinyl resin and aminoresin; The mixture of epoxy resin, Synolac and fluorocarbon resin; The mixture of urethane resin, resol and vinyl resin, the mixture of aminoresin, epoxy resin and Synolac, the mixture of fluorocarbon resin, urethane resin and resol; The mixture of epoxy resin, Synolac, fluorocarbon resin and urethane resin, the mixture of resol, vinyl resin, aminoresin and fluorocarbon resin.
Said coupling agent is selected from the mixture of a kind of in silane coupling agent, titanate coupling agent, aluminate coupling agent, metal composite coupling agent, phosphate coupling agent, the boric acid ester coupler or at least two kinds.Said mixture is the mixture of boric acid ester coupler and phosphate coupling agent for example; The mixture of metal composite coupling agent and aluminate coupling agent; The mixture of titanate coupling agent and silane coupling agent; The mixture of phosphate coupling agent and metal composite coupling agent, the mixture of aluminate coupling agent and titanate coupling agent, the mixture of silane coupling agent and boric acid ester coupler; The mixture of phosphate coupling agent, metal composite coupling agent and aluminate coupling agent, the mixture of titanate coupling agent, silane coupling agent and boric acid ester coupler.
In the said polymer overmold carbon nanotube, said carbon nanotube both can be multi-walled carbon nano-tubes, also can be SWCN.Said polymer overmold carbon nanotube is a prior art, and those skilled in the art can obtain polymer overmold carbon nanotube according to the invention with reference to the method for disclosed polymer overmold carbon nanotube in the prior art.Polymkeric substance in the said polymer overmold carbon nanotube can be the same with Choice of Resin, also can select different, as long as guarantee that the consistency of said polymkeric substance and resin is relatively good.The consistency of polymkeric substance can be according to structural similitude, and the similar compatibility principle is judged, the expertise that it should be grasped by those skilled in the art, and the present invention is no longer enumerated at this.
Said compsn can add some conventional auxiliary agents, and said auxiliary agent comprises the mixture of a kind of in adhesion promoter, flow agent, skimmer, anti-settling agent, wetting dispersing agent, mould inhibitor, stablizer, the wetting agent or at least two kinds.Said mixture is the mixture of stablizer and mould inhibitor for example, the mixture of wetting dispersing agent and anti-settling agent, the mixture of skimmer and flow agent; The mixture of adhesion promoter and stablizer, the mixture of mould inhibitor and wetting dispersing agent, the mixture of anti-settling agent and skimmer; The mixture of flow agent and adhesion promoter, the mixture of stablizer, mould inhibitor and wetting dispersing agent, the mixture of anti-settling agent, skimmer and flow agent; The mixture of wetting agent and flow agent, the mixture of wetting agent and skimmer, the mixture of wetting agent and anti-settling agent; The mixture of wetting agent and mould inhibitor; The mixture of wetting agent and stablizer, the mixture of wetting agent, flow agent and skimmer, the mixture of wetting agent, anti-settling agent and stablizer.
The mass percent of said adhesion promoter is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said flow agent is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said skimmer is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said anti-settling agent is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said wetting dispersing agent is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said mould inhibitor is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said stablizer is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
The mass percent of said wetting agent is 0.5 ~ 5%, for example 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%.
" comprising " of the present invention, mean it except that said component, can also comprise other components, make said coating composition have other function.In addition, " comprising " of the present invention, can also replace with enclosed " being " or " by ... form ".No matter which kind of composition compsn according to the invention comprises, each component sum of said compsn is 100%.
Those skilled in the art can select suitable solvent according to the performance of resin.
Two of the object of the invention is to provide a kind of preparation method of aforesaid coating composition, and said method is: by prescription each material is mixed, stir, obtain conducting paint composite.
Compared with prior art, the present invention has following beneficial effect:
This coating also has excellent water tolerance, erosion resistance and stain resistance except that having excellent conductivity, can not cause the ground explosion during use, and environmentally friendly.
Preparation technology is simple for this electrically conducting coating, the coating good planeness, and scrubbing resistance, weathering resistance are good.
Embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical case of the present invention but non-restrictive example is following:
Embodiment 1
Said coating composition comprises by mass percentage:
Figure BDA00001767532900061
By above-mentioned prescription each material is mixed, stir, obtain conducting paint composite.
Embodiment 2
Figure BDA00001767532900062
By above-mentioned prescription each material is mixed, stir, obtain conducting paint composite.
Embodiment 3
Figure BDA00001767532900063
By above-mentioned prescription each material is mixed, stir, obtain conducting paint composite.
Comparative Examples 1
Comparative Examples 1 is CN 101935489A the disclosed embodiments 5.
Be coated with silver-colored particulate Attapulgite conductive filler material through the blending method preparation; Detailed process is following: get silver powder particles (SSP-o1; Kunming Nuo Man electronics corporation provides) 10g; In the 212g deionized water, evenly mixed and grind 3 hours, promptly get and be surrounded by silver-colored particulate four protruding excellent conductive filler materials with the 35g Attapulgite.
With the cruel resin (WTB-5228 of 20g water-soluble poly ammonia; Shanghai how gloomy chemical industry ltd produces); 5g water soluble acrylic resin (HD2073, U.S. Hua Ensi company produces) and 50g water make the resin homodisperse in the even stirring of 2000 rev/mins of high speed agitators, obtain mixture A.
With 25g be coated with a silver medal particulate Attapulgite conductive filler material, (staple is compound silicone oil and nonionogenic tenside to 5g silicone resin skimmer; Model is HZX-201, Changzhou refreshing fortune Chemical Manufacture), (staple is the cruel cross-linking agent of ROHM for 50g water and 5g alkali swelling type thickening material; Model is HT-925; The safe Chemical Manufacture of Nantong break) mixes, evenly stir with electric mixer and made each component thorough mixing in 1 hour, obtain mixture B.
Said mixture A and mixture B played under 2000 rev/mins of conditions, to stir making its uniform mixing in 30 minutes, promptly obtain the Attapulgite electrically conducting coating.
Conducting paint composite and Comparative Examples 1 disclosed electrically conducting coating by embodiment 1-3 preparation use ethanol with volume ratio dilution in 1: 1 respectively; Be sprayed on then on the polyethyleneterephthalate ground; Air drying 5 minutes; Afterwards 70 ℃ dry 10 minutes down, obtain thickness and be 12.5 microns coating.Measure the layer resistivity and the sticking power of coating then respectively with following method, it is as shown in table 1 to measure the result.
The measuring method of layer resistivity: GB/T 16906-1997
The measuring method of sticking power: ASTMD3359
Table 1 embodiment 1-3 and Comparative Examples 1 resistivity and sticking power are measured the result
Embodiment Layer resistivity (milliohm/square metre/12.5 microns) Sticking power
Embodiment 1 75 5B
Embodiment 2 74 5B
Embodiment 3 70 5B
Comparative Examples 1 191 5B
Mensuration result shown in the table 1 can find out that the coating that is obtained by conducting paint composite provided by the invention has lower layer resistivity and higher sticking power.
Should be noted that and understand, under the situation that does not break away from the desired the spirit and scope of the present invention of accompanying Claim, can make various modifications and improvement the present invention of above-mentioned detailed description.Therefore, the scope of the technical scheme of requirement protection does not receive the restriction of given any specific exemplary teachings.
Applicant's statement, the present invention explains detailed method of the present invention through the foregoing description, but the present invention is not limited to above-mentioned detailed method, does not mean that promptly the present invention must rely on above-mentioned detailed method and could implement.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.

Claims (8)

1. a conducting paint composite is characterized in that, said compsn comprises by mass percentage:
Figure FDA00001767532800011
2. compsn as claimed in claim 1 is characterized in that, said compsn comprises by mass percentage:
Figure FDA00001767532800012
3. according to claim 1 or claim 2 compsn is characterized in that said compsn comprises by mass percentage:
Figure FDA00001767532800013
4. like the described compsn of one of claim 1-3, it is characterized in that said resin is selected from the mixture of a kind of in epoxy resin, Synolac, aminoresin, vinyl resin, resol, urethane resin, the fluorocarbon resin or at least two kinds.
5. like the described compsn of one of claim 1-4; It is characterized in that said coupling agent is selected from the mixture of a kind of in silane coupling agent, titanate coupling agent, aluminate coupling agent, metal composite coupling agent, phosphate coupling agent, the boric acid ester coupler or at least two kinds.
6. like the described compsn of one of claim 1-5, it is characterized in that said carbon nanotube is SWCN or multi-walled carbon nano-tubes.
7. like the described compsn of one of claim 1-6; It is characterized in that said compsn also comprises the mixture of a kind of in adhesion promoter, flow agent, skimmer, anti-settling agent, wetting dispersing agent, mould inhibitor, stablizer, the wetting agent or at least two kinds.
8. the preparation method like one of claim 1-7 described coating composition is characterized in that, said method is: by prescription each material is mixed, stir, obtain conducting paint composite.
CN2012101971884A 2012-06-14 2012-06-14 Conducting paint composition and preparation method thereof Pending CN102702892A (en)

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Cited By (8)

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CN105062349A (en) * 2015-09-11 2015-11-18 河南理工大学 Self repairing coal wall gas closing material and preparation method thereof
CN105176266A (en) * 2015-10-13 2015-12-23 东来涂料技术(上海)有限公司 Conductive plastic paint with electromagnetic shielding effect and preparation method of conductive plastic paint
CN106519844A (en) * 2016-11-10 2017-03-22 无锡市明盛强力风机有限公司 Broadband electromagnetic shielding material
CN106975729A (en) * 2017-03-07 2017-07-25 宁波麦克潘特电动工具有限公司 A kind of lost-wax casting method of drill bit
CN107674559A (en) * 2017-10-31 2018-02-09 山东凯盛新材料股份有限公司 High-antistatic PEKK electrostatic spraying powder coating, its preparation method and application
CN110885581A (en) * 2018-09-10 2020-03-17 宁波其兰文化发展有限公司 Wear-resistant composite conductive coating and preparation method thereof
CN113025160A (en) * 2021-03-12 2021-06-25 东莞市德聚胶接技术有限公司 High-temperature-resistant electromagnetic shielding coating and application thereof
CN113390862A (en) * 2021-06-21 2021-09-14 中国科学院长春应用化学研究所 Electrochemical luminescence immunosensor and preparation method thereof

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CN101165127A (en) * 2007-10-11 2008-04-23 同济大学 Water polyurethane electric conduction paint containing carbon nano-tube and preparation method thereof
CN101338040A (en) * 2008-08-15 2009-01-07 厦门建霖工业有限公司 Method for preparing porous conductive coating on plastic surface
CN102329560A (en) * 2010-07-14 2012-01-25 中化化工科学技术研究总院 Novel electromagnetic shielding paint for surface of silicone rubber

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US20060052509A1 (en) * 2002-11-01 2006-03-09 Mitsubishi Rayon Co., Ltd. Composition containing carbon nanotubes having coating thereof and process for producing them
CN101165127A (en) * 2007-10-11 2008-04-23 同济大学 Water polyurethane electric conduction paint containing carbon nano-tube and preparation method thereof
CN101338040A (en) * 2008-08-15 2009-01-07 厦门建霖工业有限公司 Method for preparing porous conductive coating on plastic surface
CN102329560A (en) * 2010-07-14 2012-01-25 中化化工科学技术研究总院 Novel electromagnetic shielding paint for surface of silicone rubber

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105062349A (en) * 2015-09-11 2015-11-18 河南理工大学 Self repairing coal wall gas closing material and preparation method thereof
CN105176266A (en) * 2015-10-13 2015-12-23 东来涂料技术(上海)有限公司 Conductive plastic paint with electromagnetic shielding effect and preparation method of conductive plastic paint
CN105176266B (en) * 2015-10-13 2018-06-26 东来涂料技术(上海)股份有限公司 A kind of conductive plastics paint of effectiveness and preparation method thereof
CN106519844A (en) * 2016-11-10 2017-03-22 无锡市明盛强力风机有限公司 Broadband electromagnetic shielding material
CN106975729A (en) * 2017-03-07 2017-07-25 宁波麦克潘特电动工具有限公司 A kind of lost-wax casting method of drill bit
CN106975729B (en) * 2017-03-07 2019-05-24 宁波麦克潘特电动工具有限公司 A kind of lost-wax casting method of drill bit
CN107674559A (en) * 2017-10-31 2018-02-09 山东凯盛新材料股份有限公司 High-antistatic PEKK electrostatic spraying powder coating, its preparation method and application
CN107674559B (en) * 2017-10-31 2020-04-07 山东凯盛新材料股份有限公司 High-antistatic polyether ketone electrostatic spraying powder coating, and preparation method and application thereof
CN110885581A (en) * 2018-09-10 2020-03-17 宁波其兰文化发展有限公司 Wear-resistant composite conductive coating and preparation method thereof
CN113025160A (en) * 2021-03-12 2021-06-25 东莞市德聚胶接技术有限公司 High-temperature-resistant electromagnetic shielding coating and application thereof
CN113025160B (en) * 2021-03-12 2021-11-23 东莞市德聚胶接技术有限公司 High-temperature-resistant electromagnetic shielding coating and application thereof
CN113390862A (en) * 2021-06-21 2021-09-14 中国科学院长春应用化学研究所 Electrochemical luminescence immunosensor and preparation method thereof

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Application publication date: 20121003