CN107556822B - Ceramic ink for ink-jet printing and preparation method thereof - Google Patents
Ceramic ink for ink-jet printing and preparation method thereof Download PDFInfo
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- CN107556822B CN107556822B CN201710878738.1A CN201710878738A CN107556822B CN 107556822 B CN107556822 B CN 107556822B CN 201710878738 A CN201710878738 A CN 201710878738A CN 107556822 B CN107556822 B CN 107556822B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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Abstract
The invention discloses ceramic ink for ink-jet printing and a preparation method thereof, wherein the ceramic ink comprises the following components in percentage by weight: 5-15% of ceramic powder, 3-7% of surfactant aqueous solution, 0.1-0.5% of dispersing agent and the balance of deionized water. The ceramic ink for ink-jet printing prepared by the invention has good quality, good dispersibility and high stability, and can be stored for a long time.
Description
Technical Field
The invention relates to the technical field of ceramic ink for inkjet printing, in particular to ceramic ink for inkjet printing and a preparation method thereof.
Background
Ceramic inks are inks containing one or more ceramic fine powder components. The composition and properties of ceramic inks are related to the operating principle of the printer and the use of the ink. The ceramic ink is generally composed of inorganic nonmetal fine powder, a solvent, a dispersant, a binder, a surfactant and other auxiliary materials. The inorganic nonmetal fine powder is a core substance of ink, and is required to have the particle size of less than 1 micron, narrow particle size distribution, no strong agglomeration among particles, good stability and small influence by other substances such as solvents.
Inkjet printing is a promising non-contact and maskless fabrication method that can be used for additive manufacturing of sub-micron and multi-material parts. Inkjet printing has attracted considerable attention because of its low cost, rapid and accurate manufacturing process. The method can achieve a layer-by-layer 3D printing process by repeating the deposition at short time intervals. Ink jet printing methods controllably eject ink in minute volumes onto a pre-prepared substrate surface, primarily by precisely positioning the print head. One of the important factors in achieving high quality inkjet printing is the preparation of ceramic inks with matching printer requirements, generally requiring good stability, dispersion and uniformity. Porous and dense composite ceramic components such as electrode sheets and electrolytes in Solid Oxide Fuel Cells (SOFCs) are one of many examples of applications for existing ink jet printing technology.
At present, different people prepare ceramic ink for ink-jet printing with different performances and different difficulty degrees of ink preparation methods, wherein one of the most key performance indexes of the ink is the dispersibility and stability of the ink. The ink with poor stability is easy to precipitate, the layering phenomenon occurs, and the printing performance of the ink is seriously influenced. Therefore, the ceramic ink for ink-jet printing, which is prepared by the method and has simple preparation process, good stability and excellent printing performance, has great scientific research and application prospects.
At present, aiming at the research and development aspect of ceramic electrode materials of solid oxide fuel cells, no stable ink capable of being stored for a long time exists in the market.
In addition, ink systems are more and less in other applications on the market. However, compared with oil-based inks, the application of water-based inks has several important advantages, namely that water-based inks are safer and nontoxic, green and environment-friendly, the development process is more cost-effective, and the cleaning treatment is more convenient and easier.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide ceramic ink for ink-jet printing and a preparation method thereof, and aims to solve the problems that the prior ceramic ink is poor in stability and dispersibility and influences the printing performance of the ink.
The technical scheme of the invention is as follows:
the ceramic ink for ink-jet printing comprises the following components in percentage by weight: 5-15% of ceramic powder, 3-7% of surfactant aqueous solution, 0.1-0.5% of dispersing agent and the balance of deionized water.
The ceramic ink for ink-jet printing comprises the following components in percentage by weight: 10% of ceramic powder, 5% of surfactant aqueous solution with the mass concentration of 20%, 0.3% of dispersing agent and the balance of deionized water.
The ceramic ink for ink-jet printing is characterized in that the ceramic powder is lanthanum strontium cobalt ferrite.
The ceramic ink for inkjet printing is characterized in that the lanthanum strontium cobalt ferrite has a D10 value of 0.116 μm and a D50 value of 0.696 μm.
The ceramic ink for inkjet printing is characterized in that the dispersant is an amine compound.
The ceramic ink for inkjet printing is characterized in that the amine compound is triethanolamine.
The ceramic ink for inkjet printing, wherein the surfactant in the surfactant aqueous solution is a nonionic water-soluble polymer.
The ceramic ink for inkjet printing, wherein the nonionic water-soluble polymer is polyethylene glycol.
The ceramic ink for ink-jet printing is characterized in that the viscosity of the ceramic ink is 5.0-10.0 mPa & s, the surface tension of the ceramic ink is 50-60 mN/m, and the pH value of the ceramic ink is 2-11.
A method for preparing the ceramic ink for inkjet printing as described above, comprising the steps of:
A. mixing ceramic powder, a surfactant aqueous solution, a dispersant and deionized water to obtain a mixed solution;
B. and placing the mixed solution in a ball milling tank for ball milling treatment, taking out, filtering, adjusting the pH value, and testing the Zeta potential to obtain the ceramic ink.
Has the advantages that: the ceramic ink with the formula is low in viscosity, uniform in particle size distribution, controllable in viscosity of 5.0-10.0 mPa & s, surface tension of 50-60 mN/m, controllable in pH value of 2-11, and best in stability when the pH value is 6-7. The ceramic ink for ink-jet printing prepared by the invention has good quality, can be stored for a long time and has high dispersion stability.
Detailed Description
The present invention provides a ceramic ink for inkjet printing and a method for preparing the same, and the present invention will be described in further detail below in order to make the objects, technical solutions, and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a preferred embodiment of ceramic ink for ink-jet printing, which comprises the following components in percentage by weight: 5-15% of ceramic powder, 3-7% of surfactant aqueous solution, 0.1-0.5% of dispersing agent and the balance of deionized water.
Preferably, the ceramic powder is fuel cell cathode material LSCF (lanthanum strontium cobalt ferrite) having D10 of 0.116 μm and D50 of 0.696 μm.
Preferably, the surfactant in the aqueous surfactant solution is a non-ionic water-soluble polymer, such as PEG (polyethylene glycol) and the like, without being limited thereto.
Preferably, the mass concentration of the surfactant in the surfactant aqueous solution is 20%.
Preferably, the dispersant is an amine compound, such as TEOA (triethanolamine) and the like, but not limited thereto.
Based on the aspect of the ceramic electrode material of the existing solid oxide fuel cell, no stable ink capable of being stored for a long time exists. According to the requirements of ink performance, the ceramic ink which has a good dispersing effect, does not block a spray head and does not precipitate after being placed for a long time is designed.
Compared with the ceramic ink of the existing fuel cell ceramic electrode material, the ceramic ink provided by the invention has good quality, can be stored for a long time without sedimentation and delamination, and has high dispersion stability. The ceramic ink has low viscosity, uniform particle size distribution, controllable viscosity of 5.0-10.0 mPa & s, surface tension of 50-60 mN/m, controllable pH value of 2-11 and best stability when the pH value is 6-7.
The invention provides a preferred embodiment of the preparation method of the ceramic ink for ink-jet printing, which comprises the following steps:
A. mixing ceramic powder, a surfactant aqueous solution, a dispersant and deionized water to obtain a mixed solution;
B. and (3) placing the mixed solution into a ball milling tank for ball milling treatment (the treatment time is about 24 hours), taking out, filtering, adjusting the pH value, and testing the Zeta potential of the mixed solution to obtain the ceramic ink for inkjet printing, which has high dispersion stability and can be hermetically stored at normal temperature for a long time.
In step B, after filtration, the pH value of the solution is adjusted to be neutral by acid (such as 0.1mol/L hydrochloric acid) or alkali, and then the Zeta potential is tested at the pH value.
The invention is further illustrated by the following examples.
Example 1
The preparation method of the ceramic ink for inkjet printing of the embodiment comprises the following steps:
1. dissolving 20g of PEG4000 (polyethylene glycol) in 80g of deionized water to obtain 20wt% of PEG aqueous solution;
2. putting the PEG aqueous solution into a stirrer, setting the speed at 600r/min, stirring for 2min, and observing the solution by naked eyes until the solution becomes clear;
3. placing an empty bottle on a balance, and adding 40g of zirconium beads phi 3.2mm and 80g of zirconium beads phi 1.0 mm, 20g of LSCF (lanthanum strontium cobalt ferrite) powder, 10g of 20wt% PEG aqueous solution, 0.6g of TEA (triethanolamine) and 169.4g of deionized water in sequence;
4. using ultrasonic dispersion treatment to break up the agglomeration of the powder;
5. putting the ultrasonic ink into an agate tank, and then putting the ultrasonic ink into a planetary ball mill for ball milling treatment, wherein the ball milling rotation speed is 650 revolutions per minute, and the ball milling time is 24 hours;
6. according to the DLVO stability theory, the pH value of the prepared ink is gradually and dropwise added into a hydrochloric acid solution for pH value adjustment, the pH value and the corresponding Zeta potential are tested, the Zeta potential of the pH value between 6 and 7 exceeds +30mV through testing, and the ink is in a stable dispersion state under the optimization system. Simultaneously measuring the viscosity of the mixture to be 5-10 mPa.s (the shear rate is 1000 s)-1) And the surface tension is 50-60 mN/m, which both meet the ink-jet printing performance requirement;
7. through experimental observation and comparison with the original ink which is not optimized, the stable dispersion ink can be placed in a closed manner at normal temperature for more than 3 months without sedimentation and delamination, and the ink which is not optimized generates obvious sedimentation and delamination within 3 days under the same environmental condition. Further tests verify that the optimized ink has quite durable stability and can meet the requirement of long-time storage. The ink is prepared by adopting a physical method, so that the process is simple and the preparation period is short.
In conclusion, the ceramic ink for inkjet printing and the preparation method thereof provided by the invention have the advantages that the ceramic ink for inkjet printing prepared by the invention has good quality, can be stored for a long time, and realizes the preparation of the ceramic ink for inkjet printing with high dispersion stability.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (3)
1. The ceramic ink for ink-jet printing is characterized by comprising the following components in percentage by weight: 10% of ceramic powder, 5% of surfactant aqueous solution with the mass concentration of 20%, 0.3% of dispersing agent and the balance of deionized water;
the dispersant is triethanolamine;
the surfactant in the surfactant aqueous solution is polyethylene glycol;
the pH value of the ceramic ink is 6-7;
the ceramic powder is lanthanum strontium cobalt ferrite;
the lanthanum strontium cobalt ferrite has D10 of 0.116 μm and D50 of 0.696 μm.
2. The ceramic ink for inkjet printing according to claim 1, wherein the ceramic ink has a viscosity of 5.0 to 10.0 mPa-s and a surface tension of 50 to 60 mN/m.
3. A method of preparing a ceramic ink for inkjet printing according to claim 1, comprising the steps of:
A. mixing ceramic powder, a surfactant aqueous solution, a dispersant and deionized water to obtain a mixed solution;
B. and placing the mixed solution in a ball milling tank for ball milling treatment, taking out, filtering, adjusting the pH value, and testing the Zeta potential to obtain the ceramic ink.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878738.1A CN107556822B (en) | 2017-09-26 | 2017-09-26 | Ceramic ink for ink-jet printing and preparation method thereof |
| PCT/CN2017/119669 WO2019061919A1 (en) | 2017-09-26 | 2017-12-29 | Ceramic ink for inkjet printing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710878738.1A CN107556822B (en) | 2017-09-26 | 2017-09-26 | Ceramic ink for ink-jet printing and preparation method thereof |
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| CN107556822A CN107556822A (en) | 2018-01-09 |
| CN107556822B true CN107556822B (en) | 2020-11-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11065781B2 (en) * | 2018-06-13 | 2021-07-20 | City University Of Hong Kong | System and method for four-dimensional printing of elastomer-derived ceramic structures by self-forming method |
| CN108864822A (en) * | 2018-08-02 | 2018-11-23 | 张家港市沐和新材料技术开发有限公司 | A kind of formula of ceramic ink and preparation method thereof |
| CN109192995A (en) * | 2018-09-06 | 2019-01-11 | 深圳大学 | A kind of method of ink-jet 3D printing manufacture solid oxide fuel cell electrode |
| CN114836076A (en) * | 2022-06-13 | 2022-08-02 | 广西碧清源环保投资有限公司 | Ink-jet printing ink and preparation method and application thereof |
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| CN105940540A (en) * | 2014-01-09 | 2016-09-14 | 潮州三环（集团）股份有限公司 | Electrochemical energy conversion devices and cells, and positive electrode-side materials for them |
| CN106046939A (en) * | 2016-06-30 | 2016-10-26 | 佛山市理想家建材有限公司 | Novel ceramic ink-jet ink and production process thereof |
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| KR102367506B1 (en) * | 2015-05-06 | 2022-02-24 | 고려대학교 산학협력단 | Water-based ceramic ink for inkjet printing |
| EP3349973B1 (en) * | 2015-09-17 | 2022-12-07 | 3Dbotics, Inc. | Material system and method for fabricating refractory material-based 3d printed objects |
| CN106590149A (en) * | 2016-12-26 | 2017-04-26 | 哈尔滨工程大学 | Ink based on piezoelectric ceramic nanometer powder and preparing method |
| CN106905769A (en) * | 2017-04-18 | 2017-06-30 | 青岛农业大学 | A kind of aqueous ceramic digital jet ink and preparation method thereof |
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- 2017-09-26 CN CN201710878738.1A patent/CN107556822B/en active Active
- 2017-12-29 WO PCT/CN2017/119669 patent/WO2019061919A1/en active Application Filing
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| CN105940540A (en) * | 2014-01-09 | 2016-09-14 | 潮州三环（集团）股份有限公司 | Electrochemical energy conversion devices and cells, and positive electrode-side materials for them |
| CN107107096A (en) * | 2014-09-02 | 2017-08-29 | 廉盛雄 | Apply coating in substrate；By the composite construction for applying coating formation |
| CN106046939A (en) * | 2016-06-30 | 2016-10-26 | 佛山市理想家建材有限公司 | Novel ceramic ink-jet ink and production process thereof |
| CN106876149A (en) * | 2017-03-07 | 2017-06-20 | 华南理工大学 | A kind of ultracapacitor that silver nano-grain is supported based on porous cobalt strontium lanthanum oxide substrate |
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| CN107556822A (en) | 2018-01-09 |
| WO2019061919A1 (en) | 2019-04-04 |
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