CN114550973A - Thick film paste for screen printing and preparation method thereof - Google Patents
Thick film paste for screen printing and preparation method thereof Download PDFInfo
- Publication number
- CN114550973A CN114550973A CN202011331687.9A CN202011331687A CN114550973A CN 114550973 A CN114550973 A CN 114550973A CN 202011331687 A CN202011331687 A CN 202011331687A CN 114550973 A CN114550973 A CN 114550973A
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- Prior art keywords
- thick film
- film paste
- mass
- screen printing
- parts
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 13
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 10
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 10
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims abstract description 10
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 10
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 10
- 229940116411 terpineol Drugs 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 238000000498 ball milling Methods 0.000 claims abstract description 4
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 4
- 239000010431 corundum Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000003801 milling Methods 0.000 claims abstract description 4
- 239000003973 paint Substances 0.000 claims abstract description 4
- 238000007873 sieving Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 239000000919 ceramic Substances 0.000 abstract description 7
- 238000007639 printing Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 8
- 238000001465 metallisation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses thick film paste for screen printing and a preparation method thereof, wherein the thick film paste comprises the following components in parts by mass: 100 parts of metal oxide powder; 16 parts of terpineol; 1 part of ethyl cellulose; the paint also comprises 0.5-0.7 part by mass of a flatting agent and 0.2-0.5 part by mass of a defoaming agent. The preparation method of the thick film paste comprises the following steps: s1: mixing ethyl cellulose; terpineol; the mass ratio of the flatting agent to the defoaming agent is 1: 16: 0.5-0.7: 0.2-0.5 extracting; s2: pouring the mixture obtained in the step S1 into a glass bottle, and heating and melting; s3: pouring the suspension obtained in the step S2 and the metal oxide into a corundum ball milling jar according to the mass ratio of 0.18:1 for mixed milling for 24-48 hours; s4: and (4) sieving the mixture obtained in the step S3 through a screen to obtain thick film paste. The invention solves the problems that the ceramic sealing ring is stuck to the screen plate when printing a metal layer due to small volume and light weight, and the fixed surface is easy to be stuck.
Description
Technical Field
The invention relates to the technical field of electronic materials, in particular to thick film paste for screen printing and a preparation method thereof.
Background
The prior art product has small volume and light weight of the ceramic sealing ring, thick film slurry used by the prior ceramic metallization process is formed by mixing metal powder and suspension liquid consisting of adhesive or single solvent, when the thick film slurry is used for screen printing, a printing surface is easy to adhere to a screen plate, and a fixed surface is easy to cause the metal layer to be pasted and rotten, so that the ceramic metal layer is damaged, and the performance of the ceramic metal layer is influenced and the ceramic metal layer is discarded.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide the thick film paste with smaller tension and viscosity, so that the problem that a metal layer on a fixed surface is pasted and rotten due to the fact that the thick film paste is adhered to a screen plate by too large tension and viscosity is avoided, and the stability of a metallization process is greatly improved.
In order to solve the technical problems, the invention adopts the following technical scheme: the thick film paste for screen printing comprises the following components in parts by mass:
100 parts of metal oxide powder
Terpineol 16 parts
Ethyl cellulose 1 part
The paint also comprises 0.5-0.7 part by mass of a flatting agent and 0.2-0.5 part by mass of a defoaming agent.
Preferably, the leveling agent mainly comprises silicone.
Preferably, the defoamer consists essentially of an oily silicone.
Preferably, the metal oxide powder includes molybdenum powder, manganese powder, alumina powder, silica, calcium carbonate and magnesium oxide.
Preferably, the preparation method of the thick film paste for screen printing comprises the following steps:
s1: mixing ethyl cellulose; terpineol; the mass ratio of the flatting agent to the defoaming agent is 1: 16: 0.5-0.7: 0.2-0.5 extracting;
s2: pouring the mixture obtained in the step S1 into a glass bottle, and heating and melting the mixture until the mixture is completely mixed;
s3: pouring the suspension obtained in the step S2 and the metal oxide into a corundum ball milling jar according to the mass ratio of 0.18:1 for mixed milling for 24-48 hours;
s4: and (4) sieving the mixture obtained in the step S3 to obtain thick film paste below the sieve.
Preferably, the heating temperature in the step S2 is 80 ℃.
Preferably, in the step S2, the stirring is performed by a stirring rod to accelerate mixing.
Preferably, the temperature in the mixing and grinding process in the step S3 is 60-70 ℃.
Preferably, the screen in step S4 is a 300 mesh screen.
Compared with the prior art, the invention has the advantages that: the invention solves the problems that the ceramic sealing ring is stuck to the screen plate when printing a metal layer due to small volume and light weight, and the fixed surface is easy to be stuck.
The preparation method has the characteristics of simple preparation steps, convenience in implementation and the like.
Detailed Description
The present invention is further described in detail in the following specific examples, and it is obvious that the described examples are only a part of the examples of the present invention, but not all examples, and all other examples obtained by one of ordinary skill in the art without any inventive work based on the examples of the present invention belong to the protection scope of the present invention.
The thick film paste for screen printing of the embodiment comprises the following components in parts by mass:
100 parts of metal oxide powder
Terpineol 16 parts
Ethyl cellulose 1 part
The coating also comprises 0.5-0.7 part by mass of a flatting agent and 0.2-0.5 part by mass of an antifoaming agent.
In the embodiment, the defoaming agent and the leveling agent are added in the thick film slurry formula to disperse metal powder, so that the viscosity of the thick film slurry is reduced, the slurry is inhibited from foaming and defoaming, the leveling is promoted, the slurry is prevented from shrinking, and the stability of the slurry is improved.
In this embodiment, the leveling agent mainly includes silicone.
In this embodiment, the defoaming agent mainly includes an oily silicone.
In this embodiment, the metal oxide powder includes molybdenum powder, manganese powder, alumina powder, silica, calcium carbonate, and magnesium oxide.
The preparation method of the thick film paste for screen printing in the present embodiment includes the steps of:
s1: mixing ethyl cellulose; terpineol; the mass ratio of the flatting agent to the defoaming agent is 1: 16: 0.5-0.7: 0.2-0.5 extracting;
s2: pouring the mixture obtained in the step S1 into a glass bottle, and heating and melting the mixture until the mixture is completely mixed;
s3: pouring the suspension obtained in the step S2 and the metal oxide into a corundum ball milling jar according to the mass ratio of 0.18:1 for mixed milling for 24-48 hours;
s4: and (4) sieving the mixture obtained in the step S3 to obtain thick film paste below the sieve.
In this embodiment, the heating temperature in step S2 is 80 ℃.
In this embodiment, in the step S2, the stirring rod is used to perform stirring and accelerated mixing.
In this embodiment, the temperature during the mixing and grinding process in step S3 is 60 to 70 ℃.
In this embodiment, the screen in step S4 is a 300-mesh screen.
In this example, 500g of metal oxide, 80g of terpineol, 5g of ethyl cellulose, 3g of leveling agent, and 2g of defoaming agent were added to obtain a thick film slurry prepared according to the above steps: 4# rotor, 6RPM speed, viscosity 50 Pa.s;
in this example, 500g of metal oxide, 80g of terpineol, and 5g of ethyl cellulose were added to prepare a thick film paste according to the above procedure to obtain: 4# rotor, 6RPM speed, viscosity 70 Pa.s.
This gives: under the same environment, the viscosity of the leveling agent and the defoaming agent is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (9)
1. A thick film paste for screen printing characterized by: the paint comprises the following components in parts by mass:
100 parts of metal oxide powder;
16 parts of terpineol;
1 part of ethyl cellulose;
the paint also comprises 0.5-0.7 part by mass of a flatting agent and 0.2-0.5 part by mass of a defoaming agent.
2. The thick film paste for screen printing according to claim 1, wherein: the leveling agent mainly comprises organic silicon.
3. The thick film paste for screen printing according to claim 1, wherein: the defoaming agent mainly comprises oily silicone.
4. The thick film paste for screen printing according to claim 1, wherein: the metal oxide powder includes molybdenum powder, manganese powder, alumina powder, silicon dioxide, calcium carbonate and magnesium oxide.
5. A method of preparing a thick film paste for screen printing as claimed in any one of claims 1 to 4 comprising the steps of:
s1: ethyl cellulose, terpineol, a flatting agent and a defoaming agent are mixed according to the mass ratio of 1: 16: 0.5-0.7: 0.2-0.5 extracting;
s2: pouring the mixture obtained in the step S1 into a glass bottle, and heating and melting the mixture until the mixture is completely mixed;
s3: pouring the suspension obtained in the step S2 and the metal oxide into a corundum ball milling jar according to the mass ratio of 0.18:1 for mixed milling for 24-48 hours;
s4: and (4) sieving the mixture obtained in the step S3 to obtain thick film paste below the sieve.
6. The production method according to claim 5, characterized in that: the heating temperature in the step S2 was 80 ℃.
7. The method of claim 5, wherein: in the step S2, stirring and accelerated mixing are performed by a stirring rod.
8. The method of claim 5, wherein: and the temperature in the mixed grinding process in the step S3 is 60-70 ℃.
9. The method of claim 5, wherein: the screen in step S4 is a 300 mesh screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331687.9A CN114550973A (en) | 2020-11-24 | 2020-11-24 | Thick film paste for screen printing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011331687.9A CN114550973A (en) | 2020-11-24 | 2020-11-24 | Thick film paste for screen printing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114550973A true CN114550973A (en) | 2022-05-27 |
Family
ID=81659202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011331687.9A Pending CN114550973A (en) | 2020-11-24 | 2020-11-24 | Thick film paste for screen printing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114550973A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395184A (en) * | 1986-10-08 | 1988-04-26 | 住友大阪セメント株式会社 | Metallization for ceramics |
| CN102276295A (en) * | 2011-05-18 | 2011-12-14 | 厦门虹鹭钨钼工业有限公司 | 95% alumina ceramic metallizing slurry used in silk-screen printing |
| CN110120275A (en) * | 2018-08-15 | 2019-08-13 | 娄底市安地亚斯电子陶瓷有限公司 | A kind of Metal slurry and preparation method thereof of power battery hermetically sealed connector |
| CN111548193A (en) * | 2020-05-18 | 2020-08-18 | 宜宾红星电子有限公司 | Metallization method for ultra-high purity alumina ceramic |
-
2020
- 2020-11-24 CN CN202011331687.9A patent/CN114550973A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395184A (en) * | 1986-10-08 | 1988-04-26 | 住友大阪セメント株式会社 | Metallization for ceramics |
| CN102276295A (en) * | 2011-05-18 | 2011-12-14 | 厦门虹鹭钨钼工业有限公司 | 95% alumina ceramic metallizing slurry used in silk-screen printing |
| CN110120275A (en) * | 2018-08-15 | 2019-08-13 | 娄底市安地亚斯电子陶瓷有限公司 | A kind of Metal slurry and preparation method thereof of power battery hermetically sealed connector |
| CN111548193A (en) * | 2020-05-18 | 2020-08-18 | 宜宾红星电子有限公司 | Metallization method for ultra-high purity alumina ceramic |
Non-Patent Citations (1)
| Title |
|---|
| 王文祥: "《微波工程技术》", 国防工业出版社, pages: 600 * |
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