CN114574039A - Cylindrical ink and printing ink tube - Google Patents
Cylindrical ink and printing ink tube Download PDFInfo
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- CN114574039A CN114574039A CN202011376215.5A CN202011376215A CN114574039A CN 114574039 A CN114574039 A CN 114574039A CN 202011376215 A CN202011376215 A CN 202011376215A CN 114574039 A CN114574039 A CN 114574039A
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- ink
- liquid metal
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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
- C09D11/52—Electrically conductive inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses cylindrical ink and an ink tube for printing, and relates to the technical field of flexible electronic rapid manufacturing. The cylindrical ink comprises the components of liquid metal and metal powder mixed in the liquid metal; wherein, in the vertical direction, the concentration of the metal powder at the bottom of the columnar ink is less than the concentration of the metal powder at the top of the columnar ink. According to the embodiment of the invention, the conductive metal paste is prepared into the cylindrical printing ink with different metal powder upper and lower concentrations, so that the problem that the content of the metal powder deposited at the bottom exceeds the standard due to gradual sedimentation of the metal powder when the conductive metal paste is used can be avoided, the conductive metal paste is uniformly coated with ink on the whole, the missing printing degree of roll printing patterns is reduced, the generation of waste materials is avoided, and the printing quality of the conductive metal paste in the whole using process is ensured.
Description
Technical Field
The invention belongs to the technical field of flexible electronic rapid manufacturing, and particularly relates to cylindrical ink and an ink tube for printing.
Background
In recent years, with the rapid development of the field of electronic circuit manufacturing, many new electronic circuit manufacturing techniques have appeared on the market; the liquid metal has natural flexibility, so that the requirements of the current flexible electronic circuit can be perfectly met, and the additive manufacturing technology using the liquid metal as a raw material most conforms to the development trend of the current flexible electronic circuit and is widely concerned by the scientific and technological field.
The liquid metal additive manufacturing technology firstly realizes printing in a direct writing and spraying mode, but due to the inherent limitations of the printing mode and the self characteristics of the liquid metal, the liquid metal additive manufacturing technology has the problems of low manufacturing efficiency, poor adhesive force, easiness in shrinking and the like. Therefore, in the prior art, a liquid metal printing apparatus is proposed, which transfers and prints liquid metal by means of an ink roller, but the liquid metal is not easy to adhere to the surface of the ink roller due to the excessive surface tension of the liquid metal, so that the surface tension of the liquid metal itself is reduced by doping conductive metal particles into the liquid metal, and the conductivity of the liquid metal can be improved by adding the conductive metal particles with conductivity higher than that of the liquid metal.
The metal paste formed by mixing the liquid metal and the conductive metal particles can solve the problems of inking and transfer printing of an ink roller, but the content of the conductive metal particles plays a role in determining the adhesion of the metal paste, and the metal paste cannot be well inked and printed when the content of the conductive metal particles is too much or too little, so the requirement on the component proportion of the metal paste is high.
However, although the preparation of the metal paste is strictly controlled, the conductive metal particles in the metal paste have a natural tendency to settle due to high density during printing, so that the conductive metal particles in the metal paste in the ink tube gradually deposit at the bottom of the ink tube during the use process of repeated inking and roll printing, and after a certain limit, the problems of uneven inking of the printing roll, missing printing of roll printing patterns and the like are caused.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a cylindrical ink, so as to solve the problems in the prior art that solid particles in a metal paste settle during printing, so that the ink on a printing roller is not uniform, and printing patterns on the roller are missed.
In some illustrative embodiments, the columnar ink has a composition comprising a liquid metal and a metal powder mixed in the liquid metal; wherein, in the vertical direction, the concentration of the metal powder at the bottom of the columnar ink is less than the concentration of the metal powder at the top of the columnar ink.
In some alternative embodiments, the concentration gradient of the metal powder in the columnar ink gradually decreases from top to bottom.
In some alternative embodiments, the pillar ink is stacked from multiple layers of liquid metal pastes of different concentrations; each layer of the liquid metal paste comprises liquid metal and metal powder mixed in the liquid metal; wherein the concentration of metal powder in the liquid metal paste at the bottom layer is lower than the concentration of metal powder in the liquid metal paste at the top layer.
In some optional embodiments, the cylindrical ink comprises: the ink comprises a main body ink with uniform concentrations of liquid metal and metal powder and a diluting material embedded in a local section of the main body ink in the vertical direction; the diluting material at least contains liquid metal for adjusting the concentration of metal powder in the embedded section.
In some alternative embodiments, the liquid metal is a low melting point metal having a melting point below 300 ℃.
In some optional embodiments, the liquid metal is a room temperature liquid metal.
In some optional embodiments, the metal powder comprises: one or more of gold powder, silver powder, copper powder, aluminum powder and silver-coated copper powder.
In some alternative embodiments, the columnar ink is a liquid columnar structure, a solid columnar structure, or a solid-liquid mixed columnar structure.
In some alternative embodiments, the columnar ink is a solid columnar structure formed in an environment at a temperature below the melting point of the liquid metal therein.
Another object of the present invention is to provide an ink tube for printing, which solves the problems of the prior art.
In some illustrative embodiments, the printing ink tube includes: the upper end of the hollow pipe body is used as an ink supply port; the piston body is arranged in the pipe body and moves along the inner wall of the pipe body; the inner cavity of the tube body between the piston body and the ink supply port forms an ink storage space with variable volume and contains the cylindrical ink; the lower port of the pipe body is used for supporting a driving part to drive the piston body to move.
Compared with the prior art, the invention has the following advantages:
according to the embodiment of the invention, the conductive metal paste is prepared into the cylindrical printing ink with different metal powder upper and lower concentrations, so that the problem that the content of the metal powder deposited at the bottom exceeds the standard due to gradual sedimentation of the metal powder when the conductive metal paste is used can be avoided, the conductive metal paste is uniformly coated with ink on the whole, the missing printing degree of roll printing patterns is reduced, the generation of waste materials is avoided, and the printing quality of the conductive metal paste in the whole using process is ensured.
Drawings
FIG. 1 is a schematic view of the structure of a roll printing apparatus;
FIG. 2 is a first structural example of a columnar ink in the embodiment of the present invention;
FIG. 3 is a schematic structural view of an ink tube for printing according to an embodiment of the present invention;
FIG. 4 is a second structural example of a columnar ink in the embodiment of the present invention;
FIG. 5 is a sectional view showing a second example of the structure of the columnar ink in the embodiment of the present invention.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments of the invention may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed.
It should be noted that the technical features in the embodiments of the present invention may be combined with each other without conflict.
The conductive metal paste of the prior art may be applied to a roll printing apparatus, as shown in fig. 1, the roll printing apparatus including at least: an ink roller 1 and an ink tube 2; the ink tube 2 contains the conductive metal paste 3, the upper port of the ink tube is used as an ink supply port, when supplying ink, the ink roller 1 rotates and contacts the conductive metal paste 3 in the ink tube 2, and the conductive metal paste 3 in the ink tube 2 is gradually taken out to the rotating peripheral surface of the ink roller 1 in a friction mode, so that the ink application of the conductive metal paste 3 is realized; the conductive metal paste 3 includes liquid metal and metal powder, and during the inking process, the metal powder inside the conductive metal paste 3 is gradually deposited downwards under the action of gravity, so that the content of the metal powder at the bottom of the conductive metal paste 3 is too large, the conductive metal paste in the ink tube 2 cannot be transferred well by the ink roller 1, and the printing effect is also greatly influenced.
Therefore, the embodiment of the invention discloses the cylindrical ink which can be suitable for the roller printing equipment and realizes the good inking and printing of the whole ink in the using process; specifically, as shown in fig. 2, fig. 2 is a first structural example of the columnar ink in the embodiment of the present invention; the components of the columnar ink comprise liquid metal and metal powder mixed in the liquid metal; wherein, in the vertical direction, the concentration of the metal powder at the bottom of the columnar ink is less than the concentration of the metal powder at the top of the columnar ink.
According to the embodiment of the invention, the conductive metal paste is prepared into the cylindrical printing ink with different metal powder upper and lower concentrations, so that the problem that the content of the metal powder deposited at the bottom exceeds the standard due to gradual sedimentation of the metal powder when the conductive metal paste is used can be avoided, the conductive metal paste is uniformly coated with ink on the whole, the missing printing degree of roll printing patterns is reduced, the generation of waste materials is avoided, and the printing quality of the conductive metal paste in the whole using process is ensured.
The components of the columnar ink in the embodiment of the invention comprise liquid metal and metal powder mixed in the liquid metal; in some embodiments, the composition of the cylindrical ink in embodiments of the present invention may consist of only liquid metal and metal powder; in other embodiments, the cylindrical ink in the embodiments of the present invention may also include other material components besides the liquid metal and the metal powder, such as polymer solvents, additives, and the like, and non-metal powder particles.
Specifically, the liquid metal in the embodiment of the invention may be a low-melting-point metal simple substance and/or alloy with a melting point below 300 ℃; specifically, the liquid metal in the embodiment of the present invention may be selected from: one or more of elementary gallium, elementary indium, elementary tin, gallium-indium alloy, gallium-indium-tin alloy, gallium-zinc alloy, gallium-indium-zinc alloy, gallium-tin-zinc alloy, gallium-indium-tin-zinc alloy, gallium-tin-cadmium alloy, gallium-zinc-cadmium alloy, bismuth-indium alloy, bismuth-tin alloy, bismuth-indium-zinc alloy, bismuth-tin-zinc alloy, bismuth-indium-tin-zinc alloy, tin-lead alloy, tin-copper alloy, tin-zinc-copper alloy, tin-silver-copper alloy and bismuth-lead-tin alloy.
When the conductive metal paste in the embodiment of the invention is used for inking, at least the surface layer ink contacting with an ink roller needs to be in a thick paste state so as to meet the inking requirement, and specifically, the liquid metal in the surface layer ink contacting with the ink roller is in a molten state in the modes of photo-thermal, wind-thermal, electric heating, heat transfer and the like, so that the thick paste state is achieved.
Preferably, the liquid metal in the embodiment of the present invention may be a low melting point metal simple substance or alloy with a melting point below 100 ℃; the low-melting-point metal can meet the melting of the low-melting-point metal only by a simple heating device and environment, so that the temperature resistance requirements on printing equipment and environment can be reduced, the material requirements of a printing process are reduced, and the cost is saved; on the other hand, the ink formed by the low-melting-point metal can be suitable for manufacturing a self-recovery flexible electronic circuit, and when the flexible electronic circuit has the problems of short circuit and the like, the liquid metal in the flexible electronic circuit can be in a molten state again through simple operation of low-temperature heating, so that the short circuit and other defect areas can be automatically repaired.
Furthermore, the liquid metal in the embodiment of the invention can be room temperature liquid metal, namely low melting point metal which is in a molten state at room temperature (30 ℃), and the room temperature liquid metal can meet the printing of the cylindrical ink at room temperature, thereby further reducing the requirements on various aspects of printing equipment and simultaneously reducing the preparation requirements of the printing equipment. In the embodiment, the conductive metal paste formed by using the room-temperature liquid metal can achieve the self-repairing characteristic, and is particularly suitable for manufacturing flexible electronic circuits and flexible stretchable electronic circuits.
The metal powder in the embodiment of the invention is not limited to one or more of gold powder, silver powder, copper powder, aluminum powder and silver-coated copper powder; according to the invention, the metal powder is doped in the liquid metal, so that on one hand, the surface tension of the liquid metal is reduced, and the viscosity of the ink is improved, so as to meet the requirement of an upper roller; on the other hand, the excellent conductivity of the metal powder is utilized to reduce the contact resistance of the ink and improve the conductivity of the whole ink.
Preferably, the metal powder in the embodiment of the invention can be silver powder or silver-coated copper powder, and the metal powder has the characteristics of low cost and excellent conductivity.
In some embodiments, the metal powder in embodiments of the present invention may have a particle size in the range of 0.05 to 50 μm; the shape of the metal powder in the embodiment of the invention can be one or more of a rod shape, a branch shape, a sphere shape and a sheet shape.
Preferably, the particle size range of the metal powder in the embodiment of the invention is 0.5-20 μm, and the shape is spherical or flaky, so that the conductivity of the ink can be improved, and the agglomeration effect of the metal powder can be reduced.
Specifically, the applicant finds that the metal powder in the conductive metal paste accounts for 4-10% of the total mass of the conductive metal paste, so that good inking and printing effects can be ensured; therefore, the concentration gradient of the metal powder in the cylindrical ink in the embodiment of the invention can be prepared and designed according to the concentration gradient, so that the concentration of the metal powder in the surface layer of the cylindrical ink, which is in contact with the ink roller, is always in accordance with the proportion range in the using process of the cylindrical ink, and the overall inking and printing stability of the cylindrical ink is ensured.
Preferably, the specific concentration design in the cylindrical ink in the embodiment of the present invention may also be analytically designed according to the depth (or height) of the cylindrical ink, the inking efficiency of the ink roller, and other parameters.
For example: for example, a cylindrical ink having a height of 10cm, which is sublimated into two sections in the vertical direction thereof, the concentration gradients of the metal powder in the two sections are different, the upper 5cm is a high concentration section, and the lower 5cm is a low concentration section; the concentration of the metal powder in the high concentration section may be 10% and the concentration of the metal powder in the low concentration section may be 4% in accordance with the rotation speed of the ink roller 20 r/min. Wherein the cylindrical structure may be formed by means of a reservoir such as an ink tube.
The columnar ink in the embodiment of the present invention may have a liquid columnar structure, a solid columnar structure, or a solid-liquid mixed columnar structure. The liquid column structure refers to a liquid column formed by depending on a container (such as an ink tube), the solid column structure refers to a solid column depending on or independent of the container (such as the ink tube), and the solid-liquid mixed column structure refers to a structure with a solid bottom and a liquid surface formed by depending on the container (the ink tube).
The term "liquid" in the embodiments of the present invention means that the liquid metal in the ink is in a liquid state, so that the ink body is in a slurry state. The surface layer of the columnar ink in the solid cylinder, which is contacted with the ink roller, can be melted by a heating roller and other modes, so that the columnar ink can be applied to a slurry state.
In the above embodiment, the manner of melting the surface layer ink in contact with the ink roller is not limited to one or any combination of the following: providing a heating function of the ink roller to enable the peripheral surface of the ink roller to have a temperature higher than the melting point of the liquid metal; the conductive metal paste on the surface layer is heated by means of electric heating, photo-thermal or hot baking, and the like, so that the conductive metal paste reaches the melting temperature of the liquid metal.
In some embodiments, the columnar ink in the embodiments of the present invention may be placed in an environment temperature lower than the melting point temperature of the liquid metal therein, so that the columnar ink is solidified into a solid state, and the settling efficiency of the metal powder in the ink may be further reduced in cooperation with the inking manner in which the surface layer is gradually melted. On the other hand, the metal activity of the liquid metal can be reduced, and excessive oxide impurities can be avoided. In particular, the liquid metal that is solid at room temperature (i.e., has a melting point of 30 ℃ or higher) may be simply allowed to stand and solidify in a normal temperature environment, and the columnar ink may be frozen and solidified in the room-temperature liquid metal.
In some embodiments, the concentration of the metal powder in the cylindrical ink in the embodiments of the present invention is gradually decreased from top to bottom, and in cooperation with the inking efficiency of the ink roller, the surface layer of the cylindrical ink contacting the ink roller is always maintained in a relatively uniform range during inking.
For example: and (3) placing the fully and uniformly mixed conductive metal paste in an environment with the temperature higher than the melting point of the liquid metal for a certain time to enable the conductive metal paste to freely settle within the time, and then inverting the conductive metal paste to obtain the cylindrical ink with the concentration of the metal powder being high and low.
Preferably, after obtaining the columnar ink that is concentrated in concentration of the metal powder and diluted, the columnar ink may be solidified by placing the columnar ink in a temperature environment lower than that of the liquid metal therein.
In some embodiments, the cylindrical ink in the embodiments of the present invention may be stacked from multiple layers of liquid metal pastes of different concentrations; each layer of the liquid metal paste comprises liquid metal and metal powder mixed in the liquid metal; wherein the concentration of metal powder in the liquid metal paste at the bottom layer is lower than the concentration of metal powder in the liquid metal paste at the top layer. The number of layers in the multi-layer liquid metal paste in this embodiment is at least 2.
For example: respectively obtaining a first liquid metal paste body with the concentration of A, a second liquid metal paste body with the concentration of B and a third liquid metal paste body with the concentration of C; wherein A > B > C; firstly, sequentially stacking a third liquid metal paste body, a second liquid metal paste body and a first liquid metal paste body from bottom to top to form the cylindrical ink.
Preferably, the cylindrical ink may be formed by stacking a solid third liquid metal paste, a solid second liquid metal paste, and a solid first liquid metal paste; or after the liquid third liquid metal paste body, the second liquid metal paste body and the first liquid metal paste body are stacked, the solidification treatment can be carried out.
In some embodiments, the cylindrical ink of embodiments of the present invention may include: the ink comprises a main body ink with uniform concentrations of liquid metal and metal powder and a diluting material embedded in a local section of the main body ink in the vertical direction; the dilution material contains at least liquid metal for adjusting the concentration of metal powder in the section in which it is embedded.
The cylindrical ink of this embodiment can be prepared by only one concentration of ink, and then the concentration of metal powder in the target zone is reduced by adding liquid metal material as a diluting material.
Preferably, the main body ink with uniform concentration is prepared, then the main body ink is matched with a container to form a cylindrical ink, the cylindrical ink is placed in a low-temperature environment to be solidified, a groove is formed in the bottom of the cylindrical ink, and a liquid metal sheet is embedded, so that the concentration of the metal powder in the bottom section is reduced as a whole.
The cylindrical ink in the embodiment has the advantages of simple and convenient preparation process, less mixing process, less waste, high efficiency and the like.
Further, the cylindrical ink in the embodiment of the present invention may be roll-printed, and is placed in an ink tube of a printing apparatus, an ink supply port of the ink tube is upward, and the ink in the ink tube is gradually extruded to the ink supply port in the process of being continuously carried away and transferred by an ink roller from below.
Specifically, the preparation of the columnar ink in the embodiment of the present invention is not limited to the following manner:
(1) placing the ink with uniform concentration in an environment with the temperature higher than the melting point of the liquid metal in the ink for standing for a period of time; the length of the rest time can be set according to the height and concentration of the printing ink, and can also be set by the experience of operators; inverting the static ink to obtain the cylindrical ink with target concentration gradient;
(2) on the basis of (1), the obtained columnar ink is placed in a low-temperature environment (the temperature is lower than the melting point temperature of liquid metal) to form a solid structure, and the columnar solid ink is obtained;
(3) stacking a plurality of layers of liquid metal paste bodies with different concentrations along the vertical direction to obtain cylindrical ink with target concentration gradient;
(4) on the basis of the step (3), the obtained columnar ink is placed in a low-temperature environment (the temperature is lower than the melting point temperature of liquid metal) to form a solid structure, and the columnar solid ink is obtained;
(5) splicing the columnar solid multi-layer liquid metal paste bodies with different concentrations along the vertical direction to obtain columnar ink with target concentration gradient;
(6) embedding a diluting material in a local section of the main body printing ink with uniform concentration in the vertical direction to form the multilayer liquid metal paste bodies with different concentrations; wherein the dilution material contains at least the liquid metal.
(7) Embedding a solid liquid metal sheet at the bottom of the solid body ink with uniform concentration, thereby reducing the integrity of the metal powder at the bottom of the cylindrical ink.
Another object of the present invention is to provide an ink tube for printing, which solves the problems of the prior art.
As shown in fig. 3, the printing ink tube according to the embodiment of the present invention includes: a hollow tube 101 with an upper port 102 as an ink supply port; a piston body 104 disposed inside the pipe body 101 and moving along an inner wall of the pipe body; the inner cavity of the tube body between the piston body 104 and the ink supply port forms an ink storage space with variable volume, and the ink storage space contains the cylindrical ink in the embodiment of the invention; the lower port 103 of the tube 101 is used to support a driving part to drive the piston 104 to move.
Continuous inking of the ink roller is achieved by controlling the piston member 104 to move upwards in steps during inking. The driving member is not limited to a pneumatic, hydraulic, or link type mechanical structure for driving the piston body.
As shown in fig. 4 and 5, preferably, the columnar ink in the embodiment of the present invention includes: a columnar solid body ink 200; the concentration of the metal powder in the inner part is uniform; the lower half of the cylindrical structure is provided with a groove body parallel to the axial direction of the ink roller, and a solid liquid metal sheet 300 is embedded in the groove body.
When the cylindrical ink is used for inking, the liquid metal sheet can be uniformly contacted with the axial direction of the ink roller, so that the uniformity in an inking paste body is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A columnar ink characterized in that its components comprise a liquid metal and a metal powder mixed in the liquid metal; wherein, in the vertical direction, the concentration of the metal powder at the bottom of the columnar ink is less than the concentration of the metal powder at the top of the columnar ink.
2. The columnar ink according to claim 1, wherein a concentration gradient of the metal powder in the columnar ink is gradually decreased from top to bottom.
3. The ink of claim 1, wherein the ink is formed by stacking a plurality of liquid metal pastes of different concentrations; each layer of the liquid metal paste comprises liquid metal and metal powder mixed in the liquid metal; wherein the concentration of metal powder in the liquid metal paste at the bottom layer is lower than the concentration of metal powder in the liquid metal paste at the top layer.
4. The cylindrical ink according to claim 1, characterized in that the cylindrical ink comprises: the ink comprises a main body ink with uniform concentrations of liquid metal and metal powder and a diluting material embedded in a local section of the main body ink in the vertical direction; the diluting material at least contains liquid metal for adjusting the concentration of metal powder in the embedded section.
5. The columnar ink according to claim 1, wherein the liquid metal is a low-melting-point metal having a melting point of 300 ℃ or lower.
6. The cylindrical ink according to claim 1, wherein the liquid metal is a room-temperature liquid metal.
7. The cylindrical ink according to claim 1, wherein the metal powder comprises: one or more of gold powder, silver powder, copper powder, aluminum powder and silver-coated copper powder.
8. The columnar ink according to claim 1, wherein the columnar ink is a liquid columnar structure, a solid columnar structure, or a solid-liquid mixed columnar structure.
9. The columnar ink according to claim 8, wherein the columnar ink is a solid columnar structure formed in an environment at a temperature lower than a melting point of a liquid metal therein.
10. A printing ink tube, comprising:
the upper end of the hollow pipe body is used as an ink supply port;
the piston body is arranged in the pipe body and moves along the inner wall of the pipe body;
the inner cavity of the tube body between the piston body and the ink supply port forms an ink storage space with variable volume, and the ink storage space contains the cylindrical ink as claimed in claim 1;
the lower port of the pipe body is used for supporting a driving part to drive the piston body to move.
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| CN202011376215.5A CN114574039B (en) | 2020-11-30 | 2020-11-30 | Cylindrical ink and printing ink tube |
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| CN202011376215.5A CN114574039B (en) | 2020-11-30 | 2020-11-30 | Cylindrical ink and printing ink tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023824A (en) * | 2023-01-18 | 2023-04-28 | 上海宇叠智能科技有限公司 | Conductive ink and preparation method and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667846A (en) * | 1992-12-23 | 1997-09-16 | E. I. Du Pont De Nemours And Company | Roller coating to make post-formable non-stick smooth substrates |
| JP2006056199A (en) * | 2004-08-23 | 2006-03-02 | Hamada Printing Press Co Ltd | Inkjet recording method and apparatus |
| JP2011104983A (en) * | 2009-10-19 | 2011-06-02 | General Technology Co Ltd | Thermosensitive ink roller and hot roller printer |
| US20150101745A1 (en) * | 2012-05-04 | 2015-04-16 | Unipixel Displays, Inc. | Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls |
| CN107337964A (en) * | 2017-08-25 | 2017-11-10 | 北京梦之墨科技有限公司 | A kind of color liquid operplate printing ink and preparation method thereof |
| CN108823442A (en) * | 2018-06-29 | 2018-11-16 | 北京梦之墨科技有限公司 | A kind of printed electronic material and printing process |
| CN109535832A (en) * | 2018-12-16 | 2019-03-29 | 山西大学 | A kind of red fluorescence ink and its liquid that changes colour |
| CN111128440A (en) * | 2020-01-07 | 2020-05-08 | 北京梦之墨科技有限公司 | Liquid metal conductive slurry, preparation method thereof and electronic device |
| US20200221580A1 (en) * | 2017-09-13 | 2020-07-09 | Carnegie Mellon University | Liquid metal fusion with conductive inks and pastes |
| CN211868913U (en) * | 2019-12-26 | 2020-11-06 | 北京梦之墨科技有限公司 | Desktop printing inking device |
-
2020
- 2020-11-30 CN CN202011376215.5A patent/CN114574039B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667846A (en) * | 1992-12-23 | 1997-09-16 | E. I. Du Pont De Nemours And Company | Roller coating to make post-formable non-stick smooth substrates |
| JP2006056199A (en) * | 2004-08-23 | 2006-03-02 | Hamada Printing Press Co Ltd | Inkjet recording method and apparatus |
| JP2011104983A (en) * | 2009-10-19 | 2011-06-02 | General Technology Co Ltd | Thermosensitive ink roller and hot roller printer |
| US20150101745A1 (en) * | 2012-05-04 | 2015-04-16 | Unipixel Displays, Inc. | Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls |
| CN107337964A (en) * | 2017-08-25 | 2017-11-10 | 北京梦之墨科技有限公司 | A kind of color liquid operplate printing ink and preparation method thereof |
| US20200221580A1 (en) * | 2017-09-13 | 2020-07-09 | Carnegie Mellon University | Liquid metal fusion with conductive inks and pastes |
| CN108823442A (en) * | 2018-06-29 | 2018-11-16 | 北京梦之墨科技有限公司 | A kind of printed electronic material and printing process |
| CN109535832A (en) * | 2018-12-16 | 2019-03-29 | 山西大学 | A kind of red fluorescence ink and its liquid that changes colour |
| CN211868913U (en) * | 2019-12-26 | 2020-11-06 | 北京梦之墨科技有限公司 | Desktop printing inking device |
| CN111128440A (en) * | 2020-01-07 | 2020-05-08 | 北京梦之墨科技有限公司 | Liquid metal conductive slurry, preparation method thereof and electronic device |
Non-Patent Citations (2)
| Title |
|---|
| BEIER,W ET AL.: "Emulsifying of dampening solution in offset ink in short inking units", 《ADVANCES IN PRINTING SCIENCE AND TECHNOLOGY》 * |
| 周亮: "新型PCB用油墨――液态光致抗蚀油墨", 《云南大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023824A (en) * | 2023-01-18 | 2023-04-28 | 上海宇叠智能科技有限公司 | Conductive ink and preparation method and application thereof |
| CN116023824B (en) * | 2023-01-18 | 2023-09-01 | 上海宇叠智能科技有限公司 | Conductive ink and preparation method and application thereof |
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