CN108997890A - A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating - Google Patents
A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating Download PDFInfo
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- CN108997890A CN108997890A CN201811017437.0A CN201811017437A CN108997890A CN 108997890 A CN108997890 A CN 108997890A CN 201811017437 A CN201811017437 A CN 201811017437A CN 108997890 A CN108997890 A CN 108997890A
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- carbon nanotube
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- colored carbon
- composite coating
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- 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
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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
- 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
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
Abstract
The invention discloses a kind of preparation methods for mixing silver-colored carbon nanotube-epoxy base composite coating, it include: that (1) carbon nanotube of carboxylation is added in deionized water, 1~2h of magnetic agitation under 75~85 DEG C of water bath conditions, it is cooled to 20~30 DEG C, silver nitrate solution is added with certain rate of addition, stirs 30~40min, adds sodium borohydride solution, continue 2~5h of stirring, obtains mixing silver-colored carbon nanotube；(2) in parts by weight: weighing 30~40 parts of epoxy resin, 10~20 parts of modified polyamine, 5~10 parts of epoxy propane butyl ether, coupling agent is 1~5 part, and defoaming agent is 1~4 part, and acetone is 20~30 parts, 2~4h of ultrasonic disperse, silver-colored carbon nanotube is mixed described in adding 2~5 parts, is continued 1~2h of dispersion, is obtained coating compound；(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 24~48h under normal temperature condition, obtains mixing silver-colored carbon nanotube-epoxy base composite coating.In composite coating of the invention, silver particles can be evenly dispersed in carbon nanotube, so that its coating has preferable electric conductivity.
Description
Technical field
The present invention relates to coating material technical fields, mix silver-colored carbon nanotube-epoxy base composite coating more particularly to one kind
Preparation method.
Background technique
Epoxy resin has excellent mechanical property, thermal stability, adhesive property and processing performance etc., can be used as coating
Material, matrices of composite material and adhesive use, and are widely used in the fields such as machinery, chemical industry, electronic apparatus and aerospace.By
It is higher in the volume resistivity of epoxy resin, it is used as insulating materials use substantially for a long time.But gradually with electronic product
To the development of miniaturization and portability, the epoxy resin composite material with certain electric conductivity is in electronics and information industry, aviation
The application demand in the fields such as industry and communal facility is more more and more intense.A kind of epoxy resin conducing composite material is prepared can be with
Expand the application range of epoxy resin, meanwhile, it selects also to provide more choices space for people in conductive material.
Epoxy resin conducing composite material is that curing agent, conductive filler is added and other adds using epoxy resin as matrix
Add agent, obtains composite system after filler dispersion, resin solidification.Currently, the type of conductive filler mainly has metal to fill out
Material and carbon system filler.But metal material and carbon material are combined and are not much as the application of conductive filler.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of preparation side for mixing silver-colored carbon nanotube-epoxy base composite coating
Method is able to solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods for mixing silver-colored carbon nanotube-epoxy base composite coating, to overcome
Deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating, comprising:
(1) carbon nanotube of carboxylation is added in deionized water, 1~2h of magnetic agitation under 75~85 DEG C of water bath conditions,
20~30 DEG C are cooled to, silver nitrate solution is added with certain rate of addition, 30~40min is stirred, it is molten to add sodium borohydride
Liquid continues 2~5h of stirring, obtains mixing silver-colored carbon nanotube；
(2) in parts by weight: weigh 30~40 parts of epoxy resin, 10~20 parts of modified polyamine, epoxy propane butyl ether 5
~10 parts, coupling agent is 1~5 part, and defoaming agent is 1~4 part, and acetone is 20~30 parts, and 2~4h of ultrasonic disperse adds 2~5
Silver-colored carbon nanotube is mixed described in part, continues 1~2h of dispersion, obtains coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 24~48h under normal temperature condition, obtains
To mixing silver-colored carbon nanotube-epoxy base composite coating.
Preferably, in step (1), the molar ratio of the silver nitrate and the sodium borohydride is 1:1~5.
Preferably, the molar ratio of the silver nitrate and the sodium borohydride is 1:3.
Preferably, in step (1), the rate of addition of silver nitrate solution is 15~25 drops/min.
Preferably, in step (2), in parts by weight: weigh 35 parts of epoxy resin, 15 parts of modified polyamine, propylene oxide
7.5 parts of butyl ether, coupling agent is 3 parts, and defoaming agent is 2.5 parts, and acetone is 25 parts, and mixing silver-colored carbon nanotube is 3.5 parts.
Preferably, in step (2), ultrasonic power is 700~900W.
Preferably, in step (3), spray is away from for 15~25mm.
Preferably, in step (3), it is described mix silver-colored carbon nanotube-epoxy base composite coating with a thickness of 1.5~2.5mm.
Compared with the prior art, the advantages of the present invention are as follows: in composite coating of the invention, silver particles can equably divide
It dissipates on the carbon nanotubes, so that its coating has preferable electric conductivity.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating, to overcome in the prior art
Deficiency.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating, comprising:
(1) carbon nanotube of carboxylation is added in deionized water, 1~2h of magnetic agitation under 75~85 DEG C of water bath conditions,
20~30 DEG C are cooled to, silver nitrate solution is added with certain rate of addition, 30~40min is stirred, it is molten to add sodium borohydride
Liquid continues 2~5h of stirring, obtains mixing silver-colored carbon nanotube；
(2) in parts by weight: weigh 30~40 parts of epoxy resin, 10~20 parts of modified polyamine, epoxy propane butyl ether 5
~10 parts, coupling agent is 1~5 part, and defoaming agent is 1~4 part, and acetone is 20~30 parts, and 2~4h of ultrasonic disperse adds 2~5
Silver-colored carbon nanotube is mixed described in part, continues 1~2h of dispersion, obtains coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 24~48h under normal temperature condition, obtains
To mixing silver-colored carbon nanotube-epoxy base composite coating.
Wherein, in step (1), the molar ratio of the silver nitrate and the sodium borohydride is 1:1~5, it is preferred that the nitre
The molar ratio of sour silver and the sodium borohydride is 1:3；The rate of addition of silver nitrate solution is 15~25 drops/min, it is preferred that nitre
The rate of addition of sour silver solution is 20 drops/min.
Wherein, in step (2), in parts by weight: weigh 35 parts of epoxy resin, 15 parts of modified polyamine, propylene oxide fourth
7.5 parts of base ether, coupling agent is 3 parts, and defoaming agent is 2.5 parts, and acetone is 25 parts, and mixing silver-colored carbon nanotube is 3.5 parts；Ultrasonic power is
700~900W, it is preferred that ultrasonic power is 700~900W.
Wherein, in step (3), spray is away from being 15~25mm, it is preferred that sprays away from for 20mm；It is described to mix silver-colored carbon nanotube-epoxy
Base composite coating with a thickness of 1.5~2.5mm, it is preferred that it is described mix silver-colored carbon nanotube-epoxy base composite coating with a thickness of
2mm。
It is following that the preparation side that silver-colored carbon nanotube-epoxy base composite coating is mixed in the present invention is illustrated with specifically embodiment
Method.
Embodiment 1
(1) carbon nanotube of carboxylation is added in deionized water, magnetic agitation 1h, is cooled to 20 under 75 DEG C of water bath conditions
DEG C, silver nitrate solution is added with 15 drops/min rate of addition, 30min is stirred, adds sodium borohydride solution, continue to stir
2h obtains mixing silver-colored carbon nanotube, wherein the molar ratio of the silver nitrate and the sodium borohydride is 1:1；
(2) in parts by weight: weighing 30 parts of epoxy resin, 10 parts of modified polyamine, 5 parts of epoxy propane butyl ether, be coupled
Agent be 1 part, defoaming agent be 1 part, acetone be 20 parts, ultrasonic disperse 2h, add 2 parts described in mix silver-colored carbon nanotube, continue to disperse
1h obtains coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies under normal temperature condition for 24 hours, obtains thickness
Degree mixes silver-colored carbon nanotube-epoxy base composite coating for 1.5mm's.
Embodiment 2
(1) carbon nanotube of carboxylation is added in deionized water, magnetic agitation 1.5h, is cooled under 80 DEG C of water bath conditions
25 DEG C, silver nitrate solution is added with 20 drops/min rate of addition, 35min is stirred, adds sodium borohydride solution, continue to stir
3h obtains mixing silver-colored carbon nanotube, wherein the molar ratio of the silver nitrate and the sodium borohydride is 1:3；
(2) in parts by weight: weigh 35 parts of epoxy resin, it is 15 parts of modified polyamine, 7.5 parts of epoxy propane butyl ether, even
Join agent be 3 parts, defoaming agent be 2.5 parts, acetone be 25 parts, ultrasonic disperse 3h, add 3.5 parts described in mix silver-colored carbon nanotube, after
Continuous dispersion 1.5h, obtains coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 36h under normal temperature condition, obtains thickness
Degree mixes silver-colored carbon nanotube-epoxy base composite coating for 2mm's.
Embodiment 3
(1) carbon nanotube of carboxylation is added in deionized water, magnetic agitation 2h, is cooled to 30 under 85 DEG C of water bath conditions
DEG C, silver nitrate solution is added with 25 drops/min rate of addition, 40min is stirred, adds sodium borohydride solution, continue to stir
5h obtains mixing silver-colored carbon nanotube, wherein the molar ratio of the silver nitrate and the sodium borohydride is 1:5；
(2) in parts by weight: weighing 40 parts of epoxy resin, 20 parts of modified polyamine, 10 parts of epoxy propane butyl ether, be coupled
Agent be 5 parts, defoaming agent be 4 parts, acetone be 30 parts, ultrasonic disperse 4h, add 5 parts described in mix silver-colored carbon nanotube, continue to disperse
2h obtains coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 48h under normal temperature condition, obtains thickness
Degree mixes silver-colored carbon nanotube-epoxy base composite coating for 2.5mm's.
It is mixed made from method in above-described embodiment 1~3 in silver-colored carbon nanotube-epoxy base composite coating, silver particles can
It is evenly dispersed in carbon nanotube, so that the composite coating has preferable electric conductivity.Using the double electrical measurements of RTS-9 type
Four-point probe carries out the test of conductivity to the silver-colored carbon nanotube-epoxy base composite coating of mixing in above-described embodiment 1~3,
As a result measuring its conductivity is 3.86~4.92s/cm.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (8)
1. a kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating characterized by comprising
(1) carbon nanotube of carboxylation is added in deionized water, 1~2h of magnetic agitation under 75~85 DEG C of water bath conditions, it is cooling
To 20~30 DEG C, silver nitrate solution is added with certain rate of addition, 30~40min is stirred, adds sodium borohydride solution, after
2~5h of continuous stirring, obtains mixing silver-colored carbon nanotube；
(2) in parts by weight: weigh 30~40 parts of epoxy resin, 10~20 parts of modified polyamine, epoxy propane butyl ether 5~10
Part, coupling agent is 1~5 part, and defoaming agent is 1~4 part, and acetone is 20~30 parts, 2~4h of ultrasonic disperse, adds 2~5 parts of institutes
It states and mixes silver-colored carbon nanotube, continue 1~2h of dispersion, obtain coating compound；
(3) above-mentioned coating mixture is sprayed on processed glass surface, solidifies 24~48h under normal temperature condition, is mixed
Silver-colored carbon nanotube-epoxy base composite coating.
2. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (1), the molar ratio of the silver nitrate and the sodium borohydride is 1:1~5.
3. the preparation method according to claim 2 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that institute
The molar ratio for stating silver nitrate and the sodium borohydride is 1:3.
4. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (1), the rate of addition of silver nitrate solution is 15~25 drops/min.
5. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (2), in parts by weight: weigh 35 parts of epoxy resin, 15 parts of modified polyamine, 7.5 parts of epoxy propane butyl ether, coupling agent
It is 3 parts, defoaming agent is 2.5 parts, and acetone is 25 parts, and mixing silver-colored carbon nanotube is 3.5 parts.
6. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (2), ultrasonic power is 700~900W.
7. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (3), spray is away from for 15~25mm.
8. the preparation method according to claim 1 for mixing silver-colored carbon nanotube-epoxy base composite coating, which is characterized in that step
Suddenly in (3), it is described mix silver-colored carbon nanotube-epoxy base composite coating with a thickness of 1.5~2.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017437.0A CN108997890A (en) | 2018-09-01 | 2018-09-01 | A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating |
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| CN201811017437.0A CN108997890A (en) | 2018-09-01 | 2018-09-01 | A kind of preparation method for mixing silver-colored carbon nanotube-epoxy base composite coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925716A (en) * | 2020-09-01 | 2020-11-13 | 南通大学 | Silver-loaded multi-walled carbon nanotube antibacterial water-based epoxy resin coating and preparation method thereof |
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| CN103666199A (en) * | 2013-12-09 | 2014-03-26 | 国家电网公司 | Carbon nanotube modified conductive anticorrosive paint used for grounding grids, and preparation method thereof |
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2018
- 2018-09-01 CN CN201811017437.0A patent/CN108997890A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666199A (en) * | 2013-12-09 | 2014-03-26 | 国家电网公司 | Carbon nanotube modified conductive anticorrosive paint used for grounding grids, and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 刘文超等: "碳纳米管载纳米银复合材料制备与抑菌性能测试", 《科技信息》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925716A (en) * | 2020-09-01 | 2020-11-13 | 南通大学 | Silver-loaded multi-walled carbon nanotube antibacterial water-based epoxy resin coating and preparation method thereof |
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