CN107833653B - A kind of antibiotic conductive silver paste and its preparation process - Google Patents
A kind of antibiotic conductive silver paste and its preparation process Download PDFInfo
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- CN107833653B CN107833653B CN201711184903.XA CN201711184903A CN107833653B CN 107833653 B CN107833653 B CN 107833653B CN 201711184903 A CN201711184903 A CN 201711184903A CN 107833653 B CN107833653 B CN 107833653B
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- silver paste
- nano
- conductive silver
- antibacterial agent
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 29
- 238000013329 compounding Methods 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000005760 Difenoconazole Substances 0.000 claims abstract description 13
- BQYJATMQXGBDHF-UHFFFAOYSA-N difenoconazole Chemical compound O1C(C)COC1(C=1C(=CC(OC=2C=CC(Cl)=CC=2)=CC=1)Cl)CN1N=CN=C1 BQYJATMQXGBDHF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004952 Polyamide Substances 0.000 claims abstract description 11
- 229920002647 polyamide Polymers 0.000 claims abstract description 11
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 7
- 239000002121 nanofiber Substances 0.000 claims abstract description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical compound CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002101 Chitin Polymers 0.000 claims abstract description 6
- 239000003223 protective agent Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 7
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 4
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 4
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims 1
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000004656 dimethylamines Chemical class 0.000 claims 1
- RNYJXPUAFDFIQJ-UHFFFAOYSA-N hydron;octadecan-1-amine;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH3+] RNYJXPUAFDFIQJ-UHFFFAOYSA-N 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- LLDFSHBCVFHQIV-UHFFFAOYSA-M dimethyl-octadecyl-propylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC LLDFSHBCVFHQIV-UHFFFAOYSA-M 0.000 abstract description 6
- 230000000845 anti-microbial effect Effects 0.000 abstract description 3
- 230000002421 anti-septic effect Effects 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 239000010409 thin film Substances 0.000 description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 241000813090 Rhizoctonia solani Species 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000222122 Candida albicans Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 230000003260 anti-sepsis Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001018 virulence Effects 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
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Conductive Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of antibiotic conductive silver paste and its preparation process, which is made of following raw material: 45-60 parts of terpinol, 60-70 parts of nano-silver powder, 12-16 parts of polyamide, compounding antibacterial agent 7-9 parts, 0.5-1 parts of difenoconazole, 4-6 parts of dispersing agent, 1-2 parts of protective agent.The present invention joined compounding antibacterial agent in the preparation process of conductive silver paste, the compounding antibacterial agent includes N- halogen amine chitin nano fiber, nano-titanium dioxide and 3 three kinds of ingredients of [trimethoxy silicon substrate] propyl-dimethyl octadecyl ammonium chloride, the advantages of compounding antibacterial agent has both polymer antibacterial agent, inorganic antiseptic and organic antibacterial agent, it is able to achieve coordination antibacterial, conductive silver paste obtained has excellent antibacterial effect；Silver powder of the invention is using nano-silver powder, and nano silver surface charge is high, and stability is good, is a kind of excellent broad-spectrum antibacterial agent；Conductive silver paste electric conductivity of the invention is excellent, and preparation is simple, and anti-microbial property is excellent.
Description
Technical field
The invention belongs to conductive silver paste technical fields, and in particular, to a kind of antibiotic conductive silver paste and its preparation process.
Background technique
Thin film switch is the switch produced on flexible polycarbonate or polyester film with electrocondution slurry printing contact circuit,
It is one kind of contact switch.The advantages of thin film switch is that entirety is flat, the bodily form is thin, light-weight, dust-proof property is good, has excellent water-resistance,
Belong to semi-closed structure.In addition, the selection freedom degree of panel design and color is big, application range forward direction desktop computer is duplicated
The extension of the fields such as machine, facsimile machine, toy, personal computer, word processor.As ergonomics and aesthetics design are produced in electronics
More and more important in product, Chinese thin film switch manufacturer is being dedicated to the exploitation product that brightness is higher, style is richer to answer
Growth to demand.Since the design of thin film switch is full of flourishes, and can the various exquisite patterns of chromatography to help user side rapidly
Just it identifies its function, therefore is just gradually replacing electromechanics in the consumer electronics in low-power consumption, household electrical appliance and industrial application and opening
It closes.In addition, thin film switch relies on its good shape sense of touch, reflection-proof and explains added with function, in toy, mobile phone, PDA, calculating
The application fields such as device, remote controler, computor-keyboard and Medical Devices also receive welcome.
Electrocondution slurry is that one part and parcel of thin film switch is most widely used among these with conductive silver paste.Conductive silver
Slurry has very excellent room temperature electric conductivity, hardness, adhesion and bending resistance.The investigation of one research shows: micro- with regard to room
For environmental pollution, the total number of bacteria in city and rural area is 72.10cfu/cm2 and 138.94cfu/cm2 respectively, and living environment is micro-
Biological pollution is serious.The microorganism as present in life is inevitable, research and develop efficient and nontoxic secondary work
Anti-biotic material has become the important topic of researcher.Preparation antibacterial and the conductive silver paste for having both excellent conductive capability, have
The subjective antisepsis for helping institute's application product is an important branch of novel high-performance antimicrobial composite material.
Summary of the invention
The purpose of the present invention is to provide a kind of antibiotic conductive silver paste and its preparation processes, pass through the raw material in conductive silver paste
Middle addition compounding antibacterial agent and difenoconazole, so that conductive silver paste has both antibacterial on the basis of keeping excellent electric conductivity
Performance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of antibiotic conductive silver paste, is made of following raw material: 45-60 parts of terpinol, 60-70 parts of nano-silver powder,
12-16 parts of polyamide, compounding antibacterial agent 7-9 parts, 0.5-1 parts of difenoconazole, 4-6 parts of dispersing agent, 1-2 parts of protective agent；
The compounding antibacterial agent is N- halogen amine chitin nano fiber, nano-titanium dioxide, 3 [trimethoxy silicon substrate] propyl
Dimethyl stearyl ammonium chloride is that 1:0.8-1.3:0.5-0.9 is compounded according to mass ratio.
The particle diameter of the nano-silver powder is 30-60nm.
The dispersing agent is sodium tripolyphosphate or sodium pyrophosphate.
The protective agent is sodium carboxymethylcellulose or isophorone.
A kind of preparation process of antibiotic conductive silver paste, includes the following steps:
(1) polyamide is added in terpinol, is heated to 65-75 DEG C, constant temperature stirring obtains resin up to being completely dissolved
Mixed liquor；
(2) compounding antibacterial agent and difenoconazole are added in resin mixture liquor, stirring keeps solid complete at 35-45 DEG C
Dissolution, obtains mixed liquor；
(3) nano-silver powder is added in mixed liquor, while dispersing agent is added, be heated to 55-60 DEG C, stirred under constant temperature
After being cooled to room temperature, protective agent is added in 10-15min, and conductive silver paste is made in ultrasonic disperse 5-7min.
Beneficial effects of the present invention:
The present invention joined compounding antibacterial agent in the preparation process of conductive silver paste, which includes N- halogen amine first
Shell element nanofiber, nano-titanium dioxide and 3 three kinds of ingredients of [trimethoxy silicon substrate] propyl-dimethyl octadecyl ammonium chloride, should
The advantages of compounding antibacterial agent has both polymer antibacterial agent, inorganic antiseptic and organic antibacterial agent, is able to achieve coordination antibacterial, obtained
Conductive silver paste has excellent antibacterial effect；Meanwhile joined difenoconazole in conductive silver paste, which there is sterilization to make
With the virulence with higher such as Rhizoctonia solani, ash mildew bacterium can enhance the antibacterial effect of conductive silver paste；Of the invention
Silver powder is using nano-silver powder, and nano silver surface charge is high, and stability is good, is a kind of excellent broad-spectrum antibacterial agent；The present invention
Conductive silver paste electric conductivity it is excellent, preparation is simple, and anti-microbial property is excellent.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
Embodiment 1
A kind of thin film switch antibiotic conductive silver paste, is made of following raw material: 45 parts of terpinol, nano-silver powder 60
Part, 12 parts of polyamide, compounding 7 parts of antibacterial agent, 0.5 part of difenoconazole, 4 parts of sodium tripolyphosphate, sodium carboxymethylcellulose 1
Part；
The preparation method of the antibiotic conductive silver paste, includes the following steps:
(1) polyamide is added in terpinol, is heated to 65 DEG C, it is mixed to obtain resin up to being completely dissolved for constant temperature stirring
Close liquid；
(2) compounding antibacterial agent and difenoconazole are added in resin mixture liquor, stirring keeps solid completely molten at 35 DEG C
Solution, obtains mixed liquor；
(3) nano-silver powder is added in mixed liquor, while sodium tripolyphosphate and sodium carboxymethylcellulose is added, be heated to
55 DEG C, 10min is stirred under constant temperature, after being cooled to room temperature, sodium carboxymethylcellulose is added, conductive silver is made in ultrasonic disperse 5min
Slurry.
The particle diameter of the nano-silver powder is 30nm.
The compounding antibacterial agent is N- halogen amine chitin nano fiber, nano-titanium dioxide, 3 [trimethoxy silicon substrate] propyl
Dimethyl stearyl ammonium chloride is that 1:0.8:0.5 is compounded according to mass ratio.
Embodiment 2
A kind of thin film switch antibiotic conductive silver paste, is made of following raw material: 50 parts of terpinol, nano-silver powder 65
Part, 14 parts of polyamide, compounding 8 parts of antibacterial agent, 0.7 part of difenoconazole, 5 parts of sodium pyrophosphate, 1.5 parts of isophorone；
The preparation method of the antibiotic conductive silver paste, includes the following steps:
(1) polyamide is added in terpinol, is heated to 70 DEG C, it is mixed to obtain resin up to being completely dissolved for constant temperature stirring
Close liquid；
(2) compounding antibacterial agent and difenoconazole are added in resin mixture liquor, stirring keeps solid completely molten at 40 DEG C
Solution, obtains mixed liquor；
(3) nano-silver powder is added in mixed liquor, while sodium pyrophosphate is added, be heated to 57 DEG C, stirred under constant temperature
After being cooled to room temperature, isophorone is added in 12min, and conductive silver paste is made in ultrasonic disperse 6min.
The particle diameter of the nano-silver powder is 45nm.
The compounding antibacterial agent is N- halogen amine chitin nano fiber, nano-titanium dioxide, 3 [trimethoxy silicon substrate] propyl
Dimethyl stearyl ammonium chloride is that 1:1:0.7 is compounded according to mass ratio.
Embodiment 3
A kind of thin film switch antibiotic conductive silver paste, is made of following raw material: 60 parts of terpinol, nano-silver powder 70
Part, 16 parts of polyamide, compounding 9 parts of antibacterial agent, 1 part of difenoconazole, 6 parts of sodium tripolyphosphate, sodium carboxymethylcellulose 2
Part；
The preparation method of the antibiotic conductive silver paste, includes the following steps:
(1) polyamide is added in terpinol, is heated to 75 DEG C, it is mixed to obtain resin up to being completely dissolved for constant temperature stirring
Close liquid；
(2) compounding antibacterial agent and difenoconazole are added in resin mixture liquor, stirring keeps solid completely molten at 45 DEG C
Solution, obtains mixed liquor；
(3) nano-silver powder is added in mixed liquor, while sodium tripolyphosphate is added, be heated to 60 DEG C, stirred under constant temperature
After being cooled to room temperature, sodium carboxymethylcellulose is added in 15min, and conductive silver paste is made in ultrasonic disperse 7min.
The particle diameter of the nano-silver powder is 60nm.
The compounding antibacterial agent is N- halogen amine chitin nano fiber, nano-titanium dioxide, 3 [trimethoxy silicon substrate] propyl
Dimethyl stearyl ammonium chloride is that 1:1.3:0.9 is compounded according to mass ratio.
Antibiotic conductive silver paste made from embodiment 1-3, it is thin to Escherichia coli, staphylococcus aureus, gram positive and negative
The bacteriostasis rate of bacterium, candida albicans, pseudomonas aeruginosa, Rhizoctonia solani Kuhn, ash mildew bacterium etc. reaches 80%-90%.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of antibiotic conductive silver paste, which is characterized in that be made of following raw material: 45-60 parts of terpinol, nano-silver powder
60-70 parts, 12-16 parts of polyamide, antibacterial agent 7-9 parts of compounding, 0.5-1 parts of difenoconazole, 4-6 parts of dispersing agent, protection
1-2 parts of agent；
The compounding antibacterial agent is N- halogen amine chitin nano fiber, nano-titanium dioxide, 3 [trimethoxy silicon substrate] dimethylamines
Base octadecyl ammonium chloride is that 1:0.8-1.3:0.5-0.9 is compounded according to mass ratio.
2. a kind of antibiotic conductive silver paste according to claim 1, which is characterized in that the particle diameter of the nano-silver powder is
30-60nm。
3. a kind of antibiotic conductive silver paste according to claim 1, which is characterized in that the dispersing agent be sodium tripolyphosphate or
Sodium pyrophosphate.
4. a kind of antibiotic conductive silver paste according to claim 1, which is characterized in that the protective agent is carboxymethyl cellulose
Sodium or isophorone.
5. a kind of preparation process of antibiotic conductive silver paste according to claim 1, which comprises the steps of:
(1) polyamide is added in terpinol, is heated to 65-75 DEG C, constant temperature stirring obtains resin mixing up to being completely dissolved
Liquid；
(2) compounding antibacterial agent and difenoconazole are added in resin mixture liquor, stirring keeps solid completely molten at 35-45 DEG C
Solution, obtains mixed liquor；
(3) nano-silver powder is added in mixed liquor, while dispersing agent is added, be heated to 55-60 DEG C, stir 10- under constant temperature
After being cooled to room temperature, protective agent is added in 15min, and conductive silver paste is made in ultrasonic disperse 5-7min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184903.XA CN107833653B (en) | 2017-11-23 | 2017-11-23 | A kind of antibiotic conductive silver paste and its preparation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184903.XA CN107833653B (en) | 2017-11-23 | 2017-11-23 | A kind of antibiotic conductive silver paste and its preparation process |
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| Publication Number | Publication Date |
|---|---|
| CN107833653A CN107833653A (en) | 2018-03-23 |
| CN107833653B true CN107833653B (en) | 2019-03-08 |
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| CN201711184903.XA Expired - Fee Related CN107833653B (en) | 2017-11-23 | 2017-11-23 | A kind of antibiotic conductive silver paste and its preparation process |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117025A (en) * | 2020-09-29 | 2020-12-22 | 湖南诺尔得材料科技有限公司 | Antibacterial conductive silver powder and preparation method and application thereof |
| CN115197543B (en) * | 2021-04-14 | 2023-07-25 | 上海沪正实业有限公司 | Anti-mite far infrared emission function filling master batch and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8486305B2 (en) * | 2009-11-30 | 2013-07-16 | Lockheed Martin Corporation | Nanoparticle composition and methods of making the same |
| CN107039100A (en) * | 2015-07-29 | 2017-08-11 | 上海赤龙科技有限公司 | A kind of conductive polythiophene/silver quantum dot composite conducting slurry and preparation method thereof |
| CN105427919B (en) * | 2015-11-23 | 2017-05-10 | 广东银研高新材料股份有限公司 | Self-antibacterial nano conductive silver paste and preparation method and application thereof |
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