CN115043690A - Preparation method of silver ignition bridge based on ink-jet direct writing - Google Patents
Preparation method of silver ignition bridge based on ink-jet direct writing Download PDFInfo
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- CN115043690A CN115043690A CN202210499182.6A CN202210499182A CN115043690A CN 115043690 A CN115043690 A CN 115043690A CN 202210499182 A CN202210499182 A CN 202210499182A CN 115043690 A CN115043690 A CN 115043690A
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- Prior art keywords
- ink
- silver
- ignition bridge
- ignition
- nano
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 30
- 239000004332 silver Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000011049 filling Methods 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 9
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 9
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 239000002360 explosive Substances 0.000 abstract description 8
- 230000000977 initiatory effect Effects 0.000 abstract description 8
- 238000004590 computer program Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004886 head movement Effects 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C5/00—Fuses, e.g. fuse cords
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5116—Ag or Au
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention belongs to the field of initiating explosive device ignition, and particularly relates to a preparation method of a silver ignition bridge based on ink-jet direct writing. The method adopts an ink-jet direct-writing device, the specification of an ink-jet direct-writing injector is 1-5ml, and the method comprises the following steps: step (1): preparing nano silver ink; step (2): filling the nano silver ink into an injector, and extruding the ink on the ceramic substrate to form an ignition bridge with a required shape; and (3): sintering and molding at 200-300 ℃ to prepare the silver ignition bridge with the required shape and size. The method comprises the steps of loading the nano silver ink with optimized formula process on a three-dimensional motion platform through an injector, compiling a computer program according to the shape and size requirements of the silver ignition bridge, controlling the deposition of the three-dimensional motion platform on a ceramic substrate by using the computer program, and preparing the silver ignition bridge through high-temperature sintering; compared with the existing metal ignition bridge preparation process, the process is simple in procedure, high in forming speed and wide in application prospect.
Description
Technical Field
The invention belongs to the field of initiating explosive device ignition, and particularly relates to a preparation method of a silver ignition bridge based on ink-jet direct writing.
Background
With the continuous development of modern scientific technology, under the promotion of Micro-nano technology and the traction of advanced ammunition and fuse requirements, the initiating explosive device is developing from the traditional single-function initiating explosive device to a new generation initiating explosive device (Micro-Electro-Mechanical System, MEMS initiating explosive device) with the characteristics of transducer informatization, structural miniaturization and System integration.
The micro metal ignition bridge prepared by the existing magnetron sputtering method and the photoetching method has long preparation time which is more than 24 hours; the silver ignition bridge prepared by the ink-jet direct writing technology is high in forming speed, only needs a few minutes, is wide in application prospect, and can greatly improve the preparation efficiency of ignition bridge initiating explosive devices.
Disclosure of Invention
The invention aims to provide a silver ignition bridge preparation method based on ink-jet direct writing.
The technical solution for realizing the purpose of the invention is as follows: a preparation method of a silver ignition bridge based on ink-jet direct writing adopts an ink-jet direct writing device, the specification of an injector for ink-jet direct writing is 1-5ml, and the preparation method comprises the following steps:
step (1): preparing nano silver ink;
step (2): filling the nano silver ink into an injector, and extruding the ink on a ceramic substrate to form an ignition bridge in a required shape;
and (3): sintering and molding at 200-300 ℃ to prepare the silver ignition bridge with the required shape and size.
Further, the nano silver ink comprises nano silver, glycol, deionized water and polyvinylpyrrolidone.
Further, the mass percent of the nano-silver in the nano-silver ink is 30%; the mass percent of the polyvinylpyrrolidone is 2-4%, and the balance is ethylene glycol and deionized water, wherein the mass ratio of the ethylene glycol to the deionized water is 1: 1.
furthermore, the ink-jet direct writing device also comprises a three-dimensional motion platform, a controller and a control program matched with the motion.
Further, the step (1) is to add the binder PVP into a solvent system of ethylene glycol and deionized water, wherein the ratio of ethylene glycol: stirring and carrying out ultrasonic treatment for 30-60min to form a uniformly dispersed binder system, wherein the ratio of water to water is 1: 1;
adding the nano silver particles into a binder system, performing ultrasonic treatment and stirring for 30-60min to form uniformly dispersed and stable nano silver ink.
Further, the ink pushing speed of the ignition bridge which extrudes the ink on the ceramic substrate to form the required shape in the step (2) is 0.001-0.005 mm/s, and the needle head movement speed is 1-5 mm/s.
A silver ignition bridge is prepared by the method.
The silver ignition bridge is in an H shape, a V shape or a butterfly shape.
Compared with the prior art, the invention has the remarkable advantages that:
(1) the nano silver ink used in the invention has simple preparation process and easily obtained raw materials.
(2) The nano-silver ink prepared by the method has good stability and uniform dispersion, and can meet the requirements of an ink-jet direct-writing device on ink performance.
(3) The silver ignition bridge prepared by the ink-jet direct writing technology has high patterning precision, and can effectively avoid material waste.
(4) Compared with the existing preparation methods (such as a photoetching method, a magnetron sputtering method and the like), the preparation method of the silver ignition bridge is simple and quick.
Drawings
Fig. 1 is a schematic view of an inkjet direct writing apparatus used in the present invention.
FIG. 2 is a diagram of a silver ignition bridge prepared according to the present invention; wherein (a) is H type, (b) is V type, and (c) is butterfly type.
FIG. 3 is a microscopic SEM image of silver ignition bridge sintered at 300 ℃ under different magnifications; wherein (a) is 1000 times, (b) is 5000 times, (c) is 10000 times, and (d) is 30000 times.
Fig. 4 is a high-speed photographic image of a silver ignition bridge of the present invention successfully electrically exploded.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
A silver ignition bridge preparation method based on an ink-jet direct writing technology is characterized in that an ink-jet direct writing device is used for directly writing nano silver ink on a ceramic substrate according to a certain track under the control of computer software, and the nano silver ink is sintered at a high temperature of 300 ℃ at 200-. The method comprises the following steps:
step 1: stirring the prepared nano silver ink in proportion for 30-60min and ultrasonically dispersing for 30-60 min;
step 2: the prepared nano silver ink is filled into a disposable injector of 1-5ml and is fixed on a three-dimensional motion platform on an ink-jet direct writing device. According to the requirements of the size and the shape of the silver ignition bridge, a computer program is compiled, the movement track of the ink is controlled by computer software, the ink is uniformly pushed out, the ink outlet speed of the ink is controlled by an extrusion ink pushing mode, the ink is deposited on the ceramic substrate to form a certain shape, and the high-temperature sintering molding is carried out at the temperature of 200-300 ℃, so that the silver ignition bridge with the specific shape and the specific size is prepared. The optimized direct-write parameters are as follows: the ink pushing speed is 0.001mm/s-0.005mm/s, and the needle head movement speed is 1mm/s-5 mm/s;
the nano silver ink comprises nano silver, ethylene glycol, deionized water and polyvinylpyrrolidone (molecular weight 85w), and the mass percent of the nano silver is 30%; the used solvent is glycol and deionized water in a mass ratio of 1: 1; the mass percentage of the dispersant polyvinylpyrrolidone is 2-4%.
Examples
Step 1: adding 3% of binder PVP into a 67% of glycol and deionized water solvent system, wherein the mass fraction of the glycol: stirring and carrying out ultrasonic treatment for 30-60min to form a uniformly dispersed binder system, wherein the ratio of water to water is 1: 1;
step 2: adding 30% of nano-silver particles into a binder system, performing ultrasonic treatment and stirring for 30-60min to form uniformly dispersed and stable nano-silver ink;
and step 3: the prepared nano silver ink is filled into a disposable injector of 1-5ml and is fixed on a three-dimensional motion platform on an ink-jet direct writing device. According to the requirements of the size and the shape of the silver ignition bridge, writing a computer program, controlling the ink movement track by using computer software, pushing out the ink uniformly, and controlling the ink outlet speed of the ink in an extrusion ink pushing mode, wherein the ink pushing speed is controlled to be 0.003mm/s, and the needle movement speed is controlled to be 3mm/s, so that the ink is deposited on the ceramic substrate to form a certain shape, and is sintered and molded at the high temperature of 200-300 ℃, and the specific shape and the specific size of the silver ignition bridge are prepared, wherein a specific material object diagram is shown in fig. 2.
Fig. 3 is a microscopic image of silver ignition bridges sintered at 300 c, and it can be seen that the nano-silver particles are effectively connected together to form an excellent conductive network. FIG. 4 is a high-speed photographic image of the successfully electric-exploded silver ignition bridge and the generated plasma, which shows that the ignition bridge prepared by the invention can meet the ignition or detonation requirements of initiating explosive devices.
Claims (8)
1. A silver ignition bridge preparation method based on ink-jet direct writing is characterized in that an ink-jet direct writing device is adopted, the specification of an injector for ink-jet direct writing is 1-5ml, and the method comprises the following steps:
step (1): preparing nano silver ink;
step (2): filling the nano silver ink into an injector, and extruding the ink on a ceramic substrate to form an ignition bridge in a required shape;
and (3): sintering and molding at 200-300 ℃ to prepare the silver ignition bridge with the required shape and size.
2. The method of claim 1, wherein the nano-silver ink comprises nano-silver, ethylene glycol, deionized water, and polyvinylpyrrolidone.
3. The method of claim 2, wherein the nanosilver ink has a nanosilver mass percent of 30%; the mass percent of the polyvinylpyrrolidone is 2-4%, and the balance is ethylene glycol and deionized water, wherein the mass ratio of the ethylene glycol to the deionized water is 1: 1.
4. the method of claim 3, wherein the inkjet direct writing apparatus further comprises a three-dimensional motion stage, a controller and a control program matched to the motion.
5. The method according to claim 4, characterized in that step (1) the binder PVP is added to a solvent system of ethylene glycol and deionized water, wherein the ratio of ethylene glycol: stirring and carrying out ultrasonic treatment for 30-60min to form a uniformly dispersed binder system, wherein the ratio of water to water is 1: 1;
adding the nano silver particles into a binder system, performing ultrasonic treatment and stirring for 30-60min to form uniformly dispersed and stable nano silver ink.
6. The method of claim 5, wherein the ink pushing speed of the ignition bridge extruding the ink on the ceramic substrate to form the desired shape in step (2) is 0.001mm/s to 0.005mm/s, and the needle moving speed is 1mm/s to 5 mm/s.
7. A silver igniter bridge produced by the method of any one of claims 1 through 6.
8. The silver ignition bridge of claim 7, wherein the silver ignition bridge is "H" -shaped, "V" -shaped, or "butterfly" -shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499182.6A CN115043690A (en) | 2022-05-09 | 2022-05-09 | Preparation method of silver ignition bridge based on ink-jet direct writing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499182.6A CN115043690A (en) | 2022-05-09 | 2022-05-09 | Preparation method of silver ignition bridge based on ink-jet direct writing |
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| Publication Number | Publication Date |
|---|---|
| CN115043690A true CN115043690A (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210499182.6A Pending CN115043690A (en) | 2022-05-09 | 2022-05-09 | Preparation method of silver ignition bridge based on ink-jet direct writing |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040147618A1 (en) * | 2001-04-30 | 2004-07-29 | Lee Mu Sang | Colloid solution of metal nanoparticles, metal-polymer nanocomposites and methods for preparation thereof |
| US20050176849A1 (en) * | 2004-02-09 | 2005-08-11 | Haixin Yang | Ink jet printable thick film compositions and processes |
| US20050176246A1 (en) * | 2004-02-09 | 2005-08-11 | Haixin Yang | Ink jet printable thick film ink compositions and processes |
| TW201329167A (en) * | 2012-01-02 | 2013-07-16 | Univ Nat Taiwan | Inkjet method and kit for manufacturing silver films |
| CN112556505A (en) * | 2020-11-21 | 2021-03-26 | 南京理工大学 | Energy-containing semiconductor bridge based on Al/PVDF (aluminum/polyvinylidene fluoride) ink and preparation method thereof |
| CN113953533A (en) * | 2021-11-01 | 2022-01-21 | 哈尔滨工业大学 | Method for printing copper-based composite coating by selective laser melting of metal nano powder ink |
| CN114279280A (en) * | 2021-12-27 | 2022-04-05 | 南京理工大学 | Ink-jet printing microstructure transducer element and preparation method thereof |
-
2022
- 2022-05-09 CN CN202210499182.6A patent/CN115043690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040147618A1 (en) * | 2001-04-30 | 2004-07-29 | Lee Mu Sang | Colloid solution of metal nanoparticles, metal-polymer nanocomposites and methods for preparation thereof |
| US20050176849A1 (en) * | 2004-02-09 | 2005-08-11 | Haixin Yang | Ink jet printable thick film compositions and processes |
| US20050176246A1 (en) * | 2004-02-09 | 2005-08-11 | Haixin Yang | Ink jet printable thick film ink compositions and processes |
| TW201329167A (en) * | 2012-01-02 | 2013-07-16 | Univ Nat Taiwan | Inkjet method and kit for manufacturing silver films |
| CN112556505A (en) * | 2020-11-21 | 2021-03-26 | 南京理工大学 | Energy-containing semiconductor bridge based on Al/PVDF (aluminum/polyvinylidene fluoride) ink and preparation method thereof |
| CN113953533A (en) * | 2021-11-01 | 2022-01-21 | 哈尔滨工业大学 | Method for printing copper-based composite coating by selective laser melting of metal nano powder ink |
| CN114279280A (en) * | 2021-12-27 | 2022-04-05 | 南京理工大学 | Ink-jet printing microstructure transducer element and preparation method thereof |
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Application publication date: 20220913 |