CN104387854A - Heat-resistant nano-silver conductive paint and manufacturing process thereof - Google Patents
Heat-resistant nano-silver conductive paint and manufacturing process thereof Download PDFInfo
- Publication number
- CN104387854A CN104387854A CN201410680549.XA CN201410680549A CN104387854A CN 104387854 A CN104387854 A CN 104387854A CN 201410680549 A CN201410680549 A CN 201410680549A CN 104387854 A CN104387854 A CN 104387854A
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- Prior art keywords
- silver
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- heat
- conductive coating
- heat resistant
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Classifications
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/10—Homopolymers or copolymers of propene
- C09D123/12—Polypropene
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a heat-resistant nano-silver conductive paint and a manufacturing process thereof. The heat-resistant nano-silver conductive paint comprises the following components in parts by weight: polypropylene random, heat-resistant polyethylene, diisopropylbenzene peroxide, a viscosity modifier, tackifying resin, graphite powder, silver powder and nano-silver wire dispersion liquid. Nanoscale conductive silver wires are mixed into water-soluble or oil-soluble resin, so that the conductivity of the resulting paint is greatly improved; the heat-resistant polyethylene and the tackifying resin are mixed into the solution, so that the pain has the characteristics of high adhesion and heat resistance; the superconductivity of the graphite powder and the silver powder is matched with the nanoscale conductive silver wires, so that the paint is low in resistivity and has superconductivity. The preparation method is simple, the added auxiliaries are few, the raw materials are cheap and easy to obtain, the reaction conditions are mild, the pollution is free, and the method is suitable for mass production.
Description
Technical field
The present invention relates to electrically conducting coating field, is especially a kind of heat resistant type nano-silver conductive coating and manufacturing process thereof.
Background technology
Electrically conducting coating is the special functional coating developed rapidly with modern science and technology, about has semicentennial developing history so far.1948, the U.S. discloses made the patent of conductive resin by silver and epoxy resin, this be the earliest disclosed in electrically conducting coating.China also begins one's study in the 1950's and applies electrically conducting coating.Even if over nearly year, electrically conducting coating is applied in the multiple military, civilian industrial circles such as electronics, electrical equipment, aviation, chemical industry, printing.Corresponding therewith, the theoretical investigation of electrically conducting coating is also developed rapidly, and facilitates the increasingly mature and perfect of utilisation technology.
Nanotube has great length-to-diameter ratio and excellent electrical property, it is joined in polymkeric substance as wild phase, greatly can improve the mechanical property, photoelectric properties etc. of polymkeric substance, therefore it for the preparation of functional carbon nanotubes/conducting polymer coating, various fields can be applied in.Nanotube conductive material and film forming material interpenetrate with the particle diameter of the almost same order of magnitude, and each other without obvious interface, therefore the antiseptic property of nanotube conductive coating is better than general protective system performance.
, there is following technical problem in nano conducting paint in prior art: conductivity is excellent not, and resistivity is higher, can not meet the needs in market; Cementability is low, and shaping conductive film is easy to come off from hypothallus; Thermotolerance is low, easily melts distortion in high temperature environments, even comes off time serious.
How to design and a kind ofly possess high adhesion and heat-resisting electrically conducting coating, can effectively prevent shaping conducting film resistivity higher; Easily come off from matrix; The generation of high temperature melting metamorphism is the problem needing solution badly.
Summary of the invention
Be directed to above-mentioned deficiency, the object of the present invention is to provide a kind of heat resistant type nano-silver conductive coating and manufacturing process thereof, higher to solve conducting film resistivity in prior art; Easily come off from matrix; Thermo-labile, the problem of high temperature melting distortion.
For achieving the above object, the invention provides a kind of heat resistant type nano-silver conductive coating, described heat resistant type nano-silver conductive coating is made up of the component of following weight part:
Three type polypropylene 18-20 parts,
Heat-proof polythene 10-13 part,
Dicumyl peroxide 0.8-1 part,
Viscosity modifier 20-30 part,
Tackifying resin 7-8 part,
Graphite Powder 99 3-5 part,
Silver powder 2-3 part,
Nano-silver thread dispersion liquid 10-16 part;
Described nano-silver thread dispersion liquid is made up of the component of following weight part:
Silver Nitrate 2-6 part,
Glycerol 10-15 part,
Etching reagent 1-3 part,
Polyvinylpyrrolidone 3-6 part,
Dispersion agent 0.5-1 part,
Water 4-6 part.
Preferably, described etching reagent is ammonium chloride or Neutral ammonium fluoride.
Preferably, described dispersion agent is selected from methyl ethyl diketone, six phosphorus ammonia, ethylenediamine tetraacetic acid (EDTA) or its combination.
The present invention also provides a kind of step of manufacturing process of heat resistant type nano-silver conductive coating as follows:
Step one, Silver Nitrate, glycerol, polyvinylpyrrolidone are placed in stirrer and stir, whipping temp is 160-210 DEG C, rotating speed 800-1000r/min, time is 4-6h, add etching reagent, dispersion agent and water, continue to stir 3-5h, rotating speed is that 900-1100r/min obtains nano-silver thread dispersion liquid, nano-silver thread dispersion liquid is crossed 200-330 mesh filter screen and isolates nano-silver thread;
Step 2, under whipping temp is 160-210 DEG C of environment, three type polypropylene, heat-proof polythene, dicumyl peroxide, Graphite Powder 99 and silver powder is added in nano-silver thread dispersion liquid, stirrer is utilized batching to be mixed, now the rotating speed of stirrer is 1500-2000r/min, and churning time is 8-12h;
Step 3, the solution after stirring is crossed 300-400 mesh filter screen and isolated thinner slurries, now in stirrer, add tackifying resin and viscosity modifier, make heat resistant type nano-silver conductive coating.
The beneficial effect of the invention:
The present invention, by being mixed in water-soluble or oil-soluble resin by nano-level conducting silver line, drastically increases the conductivity of gained coating; Mix heat-proof polythene and tackifying resin in the solution simultaneously, make coating possess high adhesion and heat-resisting feature; The supraconductivity of Graphite Powder 99 and silver powder and nano-level conducting silver line coordinate, and make resistance of coating rate low, possess the characteristic of superconduction.Preparation method is simple, and the auxiliary agent of interpolation is few, and cheaper starting materials is easy to get, and reaction conditions gentleness is pollution-free, is applicable to volume production.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1:
Heat resistant type nano-silver conductive coating of the present invention, described heat resistant type nano-silver conductive coating is made up of the component of following weight part:
Three type polypropylene 18 parts,
Heat-proof polythene 10 parts,
Dicumyl peroxide 0.8 part,
Viscosity modifier 20 parts,
Tackifying resin 7 parts,
Graphite Powder 99 3 parts,
2 parts, silver powder,
Nano-silver thread dispersion liquid 10 parts;
Described nano-silver thread dispersion liquid is made up of the component of following weight part:
Silver Nitrate 2 parts,
Glycerol 10 parts,
1 part, etching reagent,
Polyvinylpyrrolidone 3 parts,
Dispersion agent 0.5 part,
4 parts, water.
Embodiment 2:
Heat resistant type nano-silver conductive coating of the present invention, described heat resistant type nano-silver conductive coating is made up of the component of following weight part:
Three type polypropylene 19 parts,
Heat-proof polythene 12 parts,
Dicumyl peroxide 0.9 part,
Viscosity modifier 25 parts,
Tackifying resin 7.5 parts,
Graphite Powder 99 4 parts,
2.5 parts, silver powder,
Nano-silver thread dispersion liquid 13 parts;
Described nano-silver thread dispersion liquid is made up of the component of following weight part:
Silver Nitrate 5 parts,
Glycerol 13 parts,
2 parts, etching reagent,
Polyvinylpyrrolidone 4 parts,
Dispersion agent 0.8 part,
5 parts, water.
Embodiment 3:
Heat resistant type nano-silver conductive coating of the present invention, described heat resistant type nano-silver conductive coating is made up of the component of following weight part:
Three type polypropylene 20 parts,
Heat-proof polythene 13 parts,
Dicumyl peroxide 1 part,
Viscosity modifier 30 parts,
Tackifying resin 8 parts,
Graphite Powder 99 5 parts,
3 parts, silver powder,
Nano-silver thread dispersion liquid 16 parts;
Described nano-silver thread dispersion liquid is made up of the component of following weight part:
Silver Nitrate 6 parts,
Glycerol 15 parts,
3 parts, etching reagent,
Polyvinylpyrrolidone 6 parts,
Dispersion agent 1 part,
6 parts, water.
The step of the manufacturing process of heat resistant type nano-silver conductive coating is as follows:
Step one, Silver Nitrate, glycerol, polyvinylpyrrolidone are placed in stirrer and stir, whipping temp is 160-210 DEG C, rotating speed 800-1000r/min, time is 4-6h, add etching reagent, dispersion agent and water, continue to stir 3-5h, rotating speed is that 900-1100r/min obtains nano-silver thread dispersion liquid, nano-silver thread dispersion liquid is crossed 200-330 mesh filter screen and isolates nano-silver thread;
Step 2, under whipping temp is 160-210 DEG C of environment, three type polypropylene, heat-proof polythene, dicumyl peroxide, Graphite Powder 99 and silver powder is added in nano-silver thread dispersion liquid, stirrer is utilized batching to be mixed, now the rotating speed of stirrer is 1500-2000r/min, and churning time is 8-12h;
Step 3, the solution after stirring is crossed 300-400 mesh filter screen and isolated thinner slurries, now in stirrer, add tackifying resin and viscosity modifier, make heat resistant type nano-silver conductive coating.
The assay of the heat resistant type nano-silver conductive coating in embodiment 1-3 is as shown in the table:
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (4)
1. a heat resistant type nano-silver conductive coating, is characterized in that: described heat resistant type nano-silver conductive coating is made up of the component of following weight part:
Three type polypropylene 18-20 parts,
Heat-proof polythene 10-13 part,
Dicumyl peroxide 0.8-1 part,
Viscosity modifier 20-30 part,
Tackifying resin 7-8 part,
Graphite Powder 99 3-5 part,
Silver powder 2-3 part,
Nano-silver thread dispersion liquid 10-16 part;
Described nano-silver thread dispersion liquid is made up of the component of following weight part:
Silver Nitrate 2-6 part,
Glycerol 10-15 part,
Etching reagent 1-3 part,
Polyvinylpyrrolidone 3-6 part,
Dispersion agent 0.5-1 part,
Water 4-6 part.
2. a kind of heat resistant type nano-silver conductive coating according to claim 1, is characterized in that: described etching reagent is ammonium chloride or Neutral ammonium fluoride.
3. a kind of heat resistant type nano-silver conductive coating according to claim 1, is characterized in that: described dispersion agent is selected from methyl ethyl diketone, six phosphorus ammonia, ethylenediamine tetraacetic acid (EDTA) or its combination.
4. the step of the manufacturing process of a heat resistant type nano-silver conductive coating according to claim 1 is as follows:
Step one, Silver Nitrate, glycerol, polyvinylpyrrolidone are placed in stirrer and stir, whipping temp is 160-210 DEG C, rotating speed 800-1000r/min, time is 4-6h, add etching reagent, dispersion agent and water, continue to stir 3-5h, rotating speed is that 900-1100r/min obtains nano-silver thread dispersion liquid, nano-silver thread dispersion liquid is crossed 200-330 mesh filter screen and isolates nano-silver thread;
Step 2, under whipping temp is 160-210 DEG C of environment, three type polypropylene, heat-proof polythene, dicumyl peroxide, Graphite Powder 99 and silver powder is added in nano-silver thread dispersion liquid, stirrer is utilized batching to be mixed, now the rotating speed of stirrer is 1500-2000r/min, and churning time is 8-12h;
Step 3, the solution after stirring is crossed 300-400 mesh filter screen and isolated thinner slurries, now in stirrer, add tackifying resin and viscosity modifier, make heat resistant type nano-silver conductive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680549.XA CN104387854A (en) | 2014-11-24 | 2014-11-24 | Heat-resistant nano-silver conductive paint and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410680549.XA CN104387854A (en) | 2014-11-24 | 2014-11-24 | Heat-resistant nano-silver conductive paint and manufacturing process thereof |
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| CN104387854A true CN104387854A (en) | 2015-03-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333343A (en) * | 2017-06-30 | 2017-11-07 | 上海晶朋电子科技有限公司 | A kind of preparation method of portable rectangular flexible low-voltage driving electric heating film |
| CN107987596A (en) * | 2017-12-13 | 2018-05-04 | 天津宝兴威科技股份有限公司 | A kind of heat resistant type nano-silver conductive coating |
| CN109181455A (en) * | 2018-08-20 | 2019-01-11 | 中国科学院工程热物理研究所 | Low emissivity coating and preparation method thereof |
| CN110408268A (en) * | 2019-09-11 | 2019-11-05 | 哈尔滨工业大学 | A kind of water system nanometer ink and preparation method |
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| JPH08218006A (en) * | 1995-02-17 | 1996-08-27 | Hitachi Chem Co Ltd | Electroconductive paste |
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2014
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Patent Citations (5)
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| JPH02120373A (en) * | 1988-10-28 | 1990-05-08 | Kansai Paint Co Ltd | Conductive coating composition |
| JPH08218006A (en) * | 1995-02-17 | 1996-08-27 | Hitachi Chem Co Ltd | Electroconductive paste |
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Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333343A (en) * | 2017-06-30 | 2017-11-07 | 上海晶朋电子科技有限公司 | A kind of preparation method of portable rectangular flexible low-voltage driving electric heating film |
| CN107333343B (en) * | 2017-06-30 | 2021-07-02 | 上海晶朋电子科技有限公司 | Preparation method of portable rectangular flexible low-voltage driving electric heating film |
| CN107987596A (en) * | 2017-12-13 | 2018-05-04 | 天津宝兴威科技股份有限公司 | A kind of heat resistant type nano-silver conductive coating |
| CN109181455A (en) * | 2018-08-20 | 2019-01-11 | 中国科学院工程热物理研究所 | Low emissivity coating and preparation method thereof |
| CN110408268A (en) * | 2019-09-11 | 2019-11-05 | 哈尔滨工业大学 | A kind of water system nanometer ink and preparation method |
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Address after: 223900 Sihong Province Economic Development Zone, West Ocean Road, No. 6, No. Applicant after: Jiangsu Stick new materials Polytron Technologies Inc Address before: 215400 Taicang Economic Development Zone, Jiangsu, Qingdao West Road, No. 11, No. Applicant before: Suzhou Sidike New Material Science & Technology Co., Ltd. |
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Application publication date: 20150304 |
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