CN104212244B - A kind of electrostatic precipitation ink and preparation method thereof - Google Patents
A kind of electrostatic precipitation ink and preparation method thereof Download PDFInfo
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- CN104212244B CN104212244B CN201410515094.6A CN201410515094A CN104212244B CN 104212244 B CN104212244 B CN 104212244B CN 201410515094 A CN201410515094 A CN 201410515094A CN 104212244 B CN104212244 B CN 104212244B
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Abstract
The invention discloses a kind of electrostatic precipitation ink, it is prepared from by following microlite ink powder by mass percentage, graphitized carbon black, nano titanium oxide, ethyl cellulose, glycol ether, polyethylene Microcrystalline Wax, Ricinate, organic solvent, thermoplastic resin, polyether-modified organopolysiloxane, its preparation process is as follows: above-mentioned raw materials is added homogenizer and stir, then to drop in ball mill, sand mill grinding distribution and get final product.Electrostatic precipitation ink printing excellent performance of the present invention, good leveling property, sticking power is excellent, a printing difficult problem for easy dry linting, resistance stability difference after efficiently solving poor adhesive force, film forming.Preparation method of the present invention is simple to operation, and production process is volatilized without a large amount of organic solvent, and toxicity is little, pollutes little, the healthy of practitioner is guaranteed, reduces production cost simultaneously.
Description
Technical field
The present invention relates to printing-ink technical field, be specifically related to a kind of electrostatic precipitation ink and preparation method thereof.
Background technology
The principle of work of electrostatic precipitator is that electric precipitator inside mainly contains corona discharge electrode (negative electrode), dust collector pole (anode) and vibrated system composition.When after electric precipitator energising, form electric field, ionize after exhaust gas dust enters fly-ash separator under electric field action between corona discharge electrode and dust collector pole, the dust after charged is by dust collector pole and corona discharge electrode.By the rapping to these the two poles of the earth, dust falls into ash bucket and reaches object of gathering dust.
Use silk screen or other mode of printings by electrostatic precipitation ink printing on the base materials such as PP or PET, producing very high strength of electric field by applying high-voltage, reaching the object of electrostatic precipitation.Therefore, the resistance of printed coating is moderate, and resistance is too low, and easily puncture, too high in resistance, dust removing effects is bad.General requirement resistance is at 1-100m Ω (25 μm thick, and 5cm is long), and in addition, because needs use in high-tension environment, also there is certain requirement resistance stability and the flame retardant resistance aspect of ink coating.Easy dry linting after the most of poor adhesive force of existing electrostatic precipitation ink, film forming, resistance stability are poor.
In addition, existing electrostatic precipitation ink is generally made up of conductive filler material, binding agent, solvent and additive, stirs, eventually pass three-roller grinding distribution and make through homogenizer; Wherein, conductive filler material generally all uses graphitized carbon black and mineral filler such as aerosil to form, and the cost of this filler is very high; The maximum shortcoming of traditional technology be exactly in three-roller grinding distribution process organic solvent volatilize in a large number, both polluted on the one hand, be detrimental to health; Waste resource again on the other hand, increase production cost.In addition, the electrostatic precipitation ink major part sticking power of domestic production is poor, easy dry linting after film forming; Resistance is unstable, the easy great change of current/voltage; Printing performance is also poor, and levelling property is bad, and film forming is uneven, easily occurs the phenomenon lacking print or bite.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of electrostatic precipitation ink, this electrostatic precipitation ink printing excellent performance, good leveling property, sticking power is excellent, a printing difficult problem for easy dry linting, resistance stability difference after efficiently solving poor adhesive force, film forming.
For solving the problem, the technical solution adopted in the present invention is as follows:
A kind of electrostatic precipitation ink, it comprises following component by mass percentage:
Wherein, the granularity of microlite ink powder is 1 ~ 2 μm, and the carbon content of microlite ink powder is 30% ~ 70%.
As the improvement of technique scheme, described ink comprises following component by mass percentage:
Wherein, the granularity of microlite ink powder is 1 ~ 2 μm, and the carbon content of microlite ink powder is 40% ~ 60%.
Described Ricinate is described Ricinate is HS-540 dispersion agent.
Described organic solvent is a kind of in isophorone, pimelinketone, No. 100 solvent oils, No. 150 solvent oils, dimethylbenzene, N-BUTYL ACETATE or two or more with arbitrarily than mixing.
Described thermoplastic resin is a kind of in Chlorinated Polypropylene III, urethane, vinyl chloride-vinyl acetate copolymer or two or more with arbitrarily than mixing.
Described thermoplastic resin comprises following component by weight: Chlorinated Polypropylene III 35 parts ~ 60 parts, urethane 0 part ~ 15 parts, vinyl chloride-vinyl acetate copolymer 10 parts ~ 40 parts.
Present invention also offers the preparation method of above-mentioned electrically conductive ink, its concrete steps are as follows:
A, by graphitized carbon black and part Ricinate join part organic solvent in, with homogenizer stir 30min obtain mixed liquor A;
B, mixed liquor A is joined dispersion medium is in the ball mill of steel ball, stops, obtaining lapping liquid B after grinding, dispersion 2 ~ 4h;
Lapping liquid B is added in homogenizer, add microlite ink powder, nano titanium oxide, glycol ether, the polyether-modified organopolysiloxane of polyethylene Microcrystalline Wax Dian and remaining Ricinate, stir 1h with the speed of 2000r/min, obtain mixed solution C;
D, pour in ball mill by mixed solution C, grinding, dispersion 8 ~ 10h, obtain lapping liquid D;
E, with 325 object screen clothes, lapping liquid D to be filtered, pour into after filtration in sand mill grind, dispersion 3 ~ 4h, obtain lapping liquid E;
F, thermoplastic resin is joined in remaining organic solvent, be stirred to thermoplastic resin with the speed of 2000r/min and dissolve completely, obtained thick lysate F; Lapping liquid E is poured in stirrer, and adds lysate F, stir 2 ~ 3h with the speed of 2000r/min, until light evenly, obtain required ink;
G. measure ink viscosity, add ethyl cellulose and regulate ink viscosity;
H, sampling detect, and after qualified, packaging gets product.
In such scheme, microlite ink powder and graphitized carbon black are as the conductive filler material of electrically conductive ink, and the two can form conductive network, possesses conductivity after making electrically conductive ink film forming.Meanwhile, the granularity of microlite ink powder is 1 ~ 2 μm, granularity can be prevented excessive thus easily cause blocking half tone; In addition, if the carbon content of microlite ink powder is too high, resistance is too low, easily punctures under high-voltage, and the carbon content of the microlite ink powder therefore selected by the present invention is 30% ~ 70%.
Nano titanium oxide has good dispersiveness as filler, can increase film forming properties, improves adhesive power, anti-aging, the scrub performance of ink; Glycol ether, as softening agent, can make film forming pliable and tough; Polyether-modified organopolysiloxane can reduce ink surface tension, controls the flow capacity of film coated surface, makes ink in drying and forming-film process, form smooth, smooth, a uniform film; Polyethylene Microcrystalline Wax, as wear-resistant liniment, can improve the burnish resistance of film forming; Ethyl cellulose has the effects such as bonding, filling, film forming, can improve the viscosity of ink; Ricinate is Block copolymer family macromolecule compound, such as poly-epsilon-caprolactone, PGA etc., concrete model is HS-540 dispersion agent, its manufacturer is that the limited company limited of brightness chemical industry is faced in Shanghai, and wetting dispersing agent of the present invention can shorten jitter time, improves gloss, improve tinting strength and opacifying power, prevent floating, prevent flocculation from returning slightly, increase the stability of ink; Organic solvent can be uniformly dispersed in the solution to make conducting particles by dissolving resin, the speed of solvent evaporates has important impact to printing performance, a kind of therefore in the preferred isophorone of the present invention, pimelinketone, No. 100 solvent oils, No. 150 solvent oils, dimethylbenzene, N-BUTYL ACETATE or two or more as solvent using arbitrarily than mixing.
Thermoplastic resin is the filmogen of electrocondution slurry, and it can make to form stable combination between conducting particles, between particle and base material as binding agent.The Chlorinated Polypropylene III that the present invention adopts is formed by grafting functional group after the senior PP chlorination of isotactic, after dissolving into liquid state, excellent sticking power is had to all types of plastic materials, because the performance of chlorination degree to resin has a great impact, (chlorination degree is too high, resin sticking power is bad, chlorination degree is too low, and the solvability of resin is too poor), be adopted as the Chlorinated Polypropylene III of chlorination degree 30% ~ 38% especially; Urethane belongs to the resin of low-pole, bad to PP, PE sticking power, but film forming is soft, and resin dissolves is good, in the present invention as auxiliary film-forming resin, regulates hardness and the toughness of film; Vinyl chloride-vinyl acetate copolymer can improve the sticking power of Chlorinated Polypropylene III; In addition, because the present invention uses Chlorinated Polypropylene III, electrostatic precipitation ink is made to have certain flame retardant resistance.
Compared to existing technology, beneficial effect of the present invention is:
1, a kind of electrostatic precipitation ink printing excellent performance of the present invention, good leveling property, sticking power is excellent, film forming is even, resistance stability is good, with low cost, cost performance is high, stable performance, not oxidizable corrosion-resistant, efficiently solves a printing difficult problem for easily dry linting, resistance stability difference after poor adhesive force, film forming; Gained ink viscosity of the present invention utilizes ethyl cellulose to regulate, and can meet different printing viscosity requirement;
2, the pollution and harm that the method that preparation method of the present invention abandons traditional three-roller grinding distribution causes environment and staff, production process is volatilized without a large amount of organic solvent, and toxicity is little, pollutes little, the healthy of practitioner is guaranteed, reduces production cost simultaneously.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
Specific embodiment 1 ~ 3:
A kind of electrostatic precipitation ink, it is prepared from by following component according to the mass fraction:
Above-described embodiment is made by preparation method below, and its concrete steps are as follows:
A, by graphitized carbon black and part Ricinate join part organic solvent in, with homogenizer stir 30min obtain mixed liquor A;
B, mixed liquor A is joined dispersion medium is in the ball mill of steel ball, stops, obtaining lapping liquid B after grinding, dispersion 2 ~ 4h;
Lapping liquid B is added in homogenizer, add microlite ink powder, nano titanium oxide, glycol ether, the polyether-modified organopolysiloxane of polyethylene Microcrystalline Wax Dian and remaining Ricinate, stir 1h with the speed of 2000r/min, obtain mixed solution C;
D, pour in ball mill by mixed solution C, grinding, dispersion 8 ~ 10h, obtain lapping liquid D;
E, with 325 object screen clothes, lapping liquid D to be filtered, pour into after filtration in sand mill grind, dispersion 3 ~ 4h, obtain lapping liquid E;
F, thermoplastic resin is joined in remaining organic solvent, be stirred to thermoplastic resin with the speed of 2000r/min and dissolve completely, obtained thick lysate F; Lapping liquid E is poured in stirrer, and adds lysate F, stir 2 ~ 3h with the speed of 2000r/min, until light evenly, obtain required ink;
G. measure ink viscosity, add ethyl cellulose and regulate ink viscosity;
H, sampling detect, and after qualified, packaging gets product.
Effect test test data is as follows:
Effect test testing method:
1) resistance stability: before test, scribbles the resistance of the PP substrate of above-mentioned ink, then this substrate is used 24 hours continuously under 10,000 volts to 100,000 volts high-voltages, then use resistance instrument measuring resistance, calculate resistance change rate with the test of resistance instrument.
Folding resistance: be applied on PP substrate equably by ink with coating device, forms the coating that one deck 25 μm of thick 10mm are wide.Carry out testing front resistance instrument measuring resistance, then by folding 180 ° of the power of this substrate 20N, fold 10 times continuously in 1 minute, then use resistance instrument measuring resistance, calculating resistance change rate.
Marginality: the edge lines observing printed pattern with magnifying glass.
Sticking power: adopt the method for drawing lattice experiment, the printing layer of ink utilizing adhesion-force tester to test to make with above-mentioned ink is to the adhesion property of base material, in the 3M adhesive tape sticking adopting 20mm wide printing layer of ink after hardening, take off with minimum angles, conductive film layer adhesive power is divided into 0 ~ 5 grade.Wherein 0 grade is greater than 95% for the printing layer of ink be attached on adhesive tape, and 1 grade is greater than 50%, and 2 grades are less than 30%, and 3 grades are less than 20%, and 4 grades are less than 10%, and 5 grades are less than 2%.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the utility model scope required for protection.
Claims (5)
1. an electrostatic precipitation ink, is characterized in that: it comprises following component by mass percentage:
Wherein, the granularity of microlite ink powder is 1 ~ 2 μm, and the carbon content of microlite ink powder is 30% ~ 70%;
Described Ricinate is Block copolymer family macromolecule compound;
Described organic solvent is a kind of in isophorone, pimelinketone, No. 100 solvent oils, No. 150 solvent oils, dimethylbenzene, N-BUTYL ACETATE or two or more with arbitrarily than mixing;
Described thermoplastic resin is a kind of in Chlorinated Polypropylene III, urethane, vinyl chloride-vinyl acetate copolymer or two or more with arbitrarily than mixing.
2. electrostatic precipitation ink according to claim 1, is characterized in that: it comprises following component by mass percentage:
Wherein, the granularity of microlite ink powder is 1 ~ 2 μm, and the carbon content of microlite ink powder is 40% ~ 60%.
3. electrostatic precipitation ink according to claim 1 and 2, is characterized in that: described Ricinate is HS-540 dispersion agent.
4. electrostatic precipitation ink according to claim 1, is characterized in that: described thermoplastic resin comprises following component by weight: Chlorinated Polypropylene III 35 parts ~ 60 parts, urethane 0 part ~ 15 parts, vinyl chloride-vinyl acetate copolymer 10 parts ~ 40 parts.
5. the preparation method of electrostatic precipitation ink as claimed in claim 1, is characterized in that: its concrete steps are as follows:
A, by graphitized carbon black and part Ricinate join part organic solvent in, stir 30min with homogenizer, obtain mixed liquor A;
B, mixed liquor A is joined dispersion medium is in the ball mill of steel ball, stops, obtaining lapping liquid B after grinding, dispersion 2 ~ 4h;
C, lapping liquid B is added in homogenizer, add microlite ink powder, nano titanium oxide, glycol ether, the polyether-modified organopolysiloxane of polyethylene Microcrystalline Wax Dian and remaining Ricinate, stir 1h with the speed of 2000r/min, obtain mixed solution C;
D, pour in ball mill by mixed solution C, grinding, dispersion 8 ~ 10h, obtain lapping liquid D;
E, with 325 object screen clothes, lapping liquid D to be filtered, pour into after filtration in sand mill grind, dispersion 3 ~ 4h, obtain lapping liquid E;
F, thermoplastic resin is joined in remaining organic solvent, be stirred to thermoplastic resin with the speed of 2000r/min and dissolve completely, obtained thick lysate F; Lapping liquid E is poured in stirrer, and adds lysate F, stir 2 ~ 3h with the speed of 2000r/min, until light evenly, obtain required ink;
G. measure ink viscosity, add ethyl cellulose and regulate ink viscosity;
H, sampling detect, and after qualified, packaging gets product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410515094.6A CN104212244B (en) | 2014-09-29 | 2014-09-29 | A kind of electrostatic precipitation ink and preparation method thereof |
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| CN108219580B (en) * | 2017-12-29 | 2021-04-06 | 南京宇洁环境***技术有限公司 | Printing ink, preparation method and application thereof |
| CN109205255A (en) * | 2018-11-09 | 2019-01-15 | 山东银广印务科技有限公司 | A kind of printing turnover device and printing process |
| WO2023010496A1 (en) * | 2021-08-06 | 2023-02-09 | 宁波先锋新材料股份有限公司 | Conductive coated wire having function of electrostatic adsorption of pm2.5 particles, conductive woven fabric, filter screen, and sunshade system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11246804A (en) * | 1998-03-02 | 1999-09-14 | Matsushita Electron Corp | Graphite ink |
| US6890972B2 (en) * | 2003-01-09 | 2005-05-10 | Advance Watch Company, Ltd. | Erasable ink for a writing implement |
| CN103146260B (en) * | 2013-03-20 | 2015-04-29 | 中国人民解放军国防科学技术大学 | Conductive printing ink composition, conductive film layer as well as preparation method of conductive film layer and application of conductive printing ink composition |
| CN103555067B (en) * | 2013-10-24 | 2015-11-25 | 张贤波 | Electrically conductive ink of a kind of regulating power and its preparation method and application |
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