CN108882406A - A kind of preparation method of the netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry - Google Patents
A kind of preparation method of the netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry Download PDFInfo
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- CN108882406A CN108882406A CN201810771510.7A CN201810771510A CN108882406A CN 108882406 A CN108882406 A CN 108882406A CN 201810771510 A CN201810771510 A CN 201810771510A CN 108882406 A CN108882406 A CN 108882406A
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- carbon
- slurry
- containing carboxyl
- netted
- carbon nanotube
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of preparation methods of netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry, and it includes aqueous polyurethane, carbon nano tube dispersion liquid containing carboxyl, nanometer carbon black, nano silica, curing agent, deionized water, dispersing agent and emulsifier that carbon, which starches component,.Carbon slurry is coated into the glass fibre netting for the copper conductor that the parallel spacing of built-in radial is 0.5-20cm, drying and processing, so that the netted thermo electric material starched based on the carbon of carbon nanotube containing carboxyl be made.Prepared electric network is good due to using the flexibility of carbon nanotube containing carboxyl, filming performance, and it ensure that the heating temperature of electric network, the fever uniformity, the grid-shaped circuit raises security performance of electric network, as a kind of flexible electric heating material, it can be not only used for wall heating, greenhouse can be woven into again, sleeping bag heats in tent.
Description
Technical field
The present invention relates to a kind of thermo electric material more particularly to a kind of netted electric heating materials based on the carbon of carbon nanotube containing carboxyl slurry
The preparation method of material.
Background technique
Carbon nanotube mainly passes through arc discharge method, chemical vapour deposition technique, and laser evaporization method etc. is prepared, and can see
Work is single wall or the concentric round tube of multi wall made of Sheet Graphite curling, has sizable draw ratio, caliber is in 6nm or less
It has good conductive property, and upper with very high heat exchange performance along its length, therefore, carbon nanotube belongs to one kind
Good conductive and heat-conductive filler.But carbon nanotube price is higher with respect to carbon black, a large amount of using industrial production cost is easily increased, simultaneously
Since nanometer carbon black easily forms Cluster group in water-based system, common dispersion behavior makes most of black grain diameter close
Micron order causes its percolation threshold to increase, and the dosage increase of carbon black can also cause the viscosity of coating to increase, and machinability is deteriorated,
The problems such as filming performance reduces.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry.
The purpose of the present invention is what is be achieved through the following technical solutions：
The preparation method of netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry of the invention, including step：
Step 1：Under the mixing speed of 10-20r/min, by nanometer carbon black and nano silica successively with 200-
The speed of 300g/min is slowly added into aqueous polyurethane；
Step 2：Deionized water, emulsifier, dispersing agent and carbon nano tube dispersion liquid containing carboxyl are slowly added after mixing
Enter into the aqueous polyurethane, continues the water of 5 hours obtained carbon nanotubes of mechanical stirring with the revolving speed of 700-800r/min
Base fever carbon slurry；
Step 3：Curing agent is uniformly blended into prepared water base fever carbon slurry, using paint-on technique, in 2-4 hours
It by above-mentioned carbon slurry coating to glass fibre netting, and is dried at 100-130 DEG C, electric network is made.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention to be based on nanometer containing carboxyl carbon
The preparation method of the netted thermo electric material of pipe carbon slurry, using carbon nanotube containing carboxyl, nanotube good dispersion in water can be with
It is effectively improved carbon and starches the coating uniformity on Network substrates, the reunion of conductive particle is overcome, so as to improve the electricity of web-shaped product
Hot property.Prepared electric network is good due to using the flexibility of carbon nanotube containing carboxyl, filming performance, and ensure that electric network
Heating temperature, the fever uniformity, the grid-shaped circuit raises security performance of electric network, as a kind of flexible electric heating material, both
It can be used for wall heating, and greenhouse can be woven into, sleeping bag heats in tent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric network prepared by the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The preparation method of netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry of the invention, it is preferably specific real
The mode of applying is：
Including step：
Step 1：Under the mixing speed of 10-20r/min, by nanometer carbon black and nano silica successively with 200-
The speed of 300g/min is slowly added into aqueous polyurethane；
Step 2：Deionized water, emulsifier, dispersing agent and carbon nano tube dispersion liquid containing carboxyl are slowly added after mixing
Enter into the aqueous polyurethane, continues the water of 5 hours obtained carbon nanotubes of mechanical stirring with the revolving speed of 700-800r/min
Base fever carbon slurry；
Step 3：Curing agent is uniformly blended into prepared water base fever carbon slurry, using paint-on technique, in 2-4 hours
It by above-mentioned carbon slurry coating to glass fibre netting, and is dried at 100-130 DEG C, electric network is made.
Prepared electric network operating voltage is 10-220V.
The carbon nano tube dispersion liquid is the carboxy-modified multi-walled carbon nanotube dispersion liquid containing dispersing agent, carboxy-modified
Multi-walled carbon nanotube concentration is 10%, dispersant concentration 2%.
Aqueous polyurethane solute used, carbon nano tube dispersion liquid solute, nanometer carbon black, nano silica, curing agent,
The mass ratio of dispersing agent and emulsifier is (70-80)：(0.5-3)：(11-17)：(2-4)：(1.5-3.5)：(0.2-0.5)：
(1.5-3), solvent are deionized water.
The emulsifier category anionic maleic anhydride derivative.
The curing agent is following any one or more：Aromatic isocyanate, aliphatic isocyanates, aromatic series are different
Cyanic acid ester oligomer, aliphatic isocyanates oligomer.
Paint-on technique described in step 3 is secondary paint-on technique, and coating makes fiberglass gridding be formed for the first time, second
Secondary coating improves the conductivity of electric network.
Glass fibre netting mesh size described in step 3 is (5-12mm) * (5-12mm), quality 80-160g/
m2, and warp thread is built-in with the copper conductor that parallel spacing is 0.5-20cm.
Electric network prepared by the present invention is as shown in Figure 1, due to using the flexibility of carbon nanotube containing carboxyl, filming performance
It is good, and ensure that the heating temperature of electric network, the fever uniformity, the grid-shaped circuit raises security performance of electric network, as
A kind of flexible electric heating material can be not only used for wall heating, and can be woven into greenhouse, sleeping bag, heat in tent.The scope of application
Extensively, it is of great significance to futurity industry production.
It is an advantage of the invention that：
The raw material of selection is environmentally protective, and preparation method is simple, cost economy, is suitable for industrial production.In nanometer carbon black seepage flow
Near Threshold forms conductive network with carbon nanotube overlap joint nanometer carbon black particle, reduces the dosage of conductive filler, while cooperation is received
The use of rice silica, prepared electric network flexibility, filming performance are good, and ensure that the heating temperature of electric network, hair
The hot uniformity, the grid-shaped circuit raises security performance of electric network as a kind of flexible electric heating material can be not only used for wall and take
Warm, and can be woven into greenhouse, sleeping bag heats in tent.By changing voltage, change electric network wire spacing, changing and lead
The proportion of electric filler can make electric network have different electric heating properties, expand its application range.
Specific embodiment：
Raw material used：Carbon nano tube dispersion liquid containing carboxyl, aqueous polyurethane, curing agent, emulsifier, dispersing agent, nanometer
Carbon black, nano silica, deionized water, the glass fibre netting of built-in parallel copper conductor.
Embodiment 1：
Step 1：Under the mixing speed of 10r/min, by 4.8849g nanometer carbon black and 1.1273g nano silica according to
It is secondary to be slowly added into 88.0362g aqueous polyurethane.
Step 2：0.7516g emulsifier and 7.6687g carbon nano tube dispersion liquid are slowly added into after mixing aqueous
In polyurethane.Continue the water base fever carbon being made containing 2% carbon nanotube for mechanical stirring 5 hours slurry with the revolving speed of 800r/min.
Step 3：0.9244g curing agent is uniformly blended into prepared water base fever carbon slurry, using paint-on technique, 2
It by the glass fibre netting of above-mentioned carbon slurry coating to copper conductor spacing 15cm in hour, and is dried at 110 DEG C, electric heating is made
Net.
Embodiment 2：
Step 1：Under the mixing speed of 10r/min, by 4.8849g nanometer carbon black and 1.1273g nano silica according to
It is secondary to be slowly added into 88.0362g aqueous polyurethane.
Step 2：3.8731g deionized water, 0.7516g emulsifier and 3.7956g carbon nano tube dispersion liquid containing carboxyl are mixed
It is slowly added into aqueous polyurethane after closing uniformly.Continue to be made for mechanical stirring 5 hours with the revolving speed of 800r/min and be received containing 1% carbon
The water base fever carbon of mitron is starched.
Step 3：0.9244g curing agent is uniformly blended into prepared water base fever carbon slurry, using paint-on technique, 2
It by the glass fibre netting of above-mentioned carbon slurry coating to copper conductor spacing 15cm in hour, and is dried at 110 DEG C, electric heating is made
Net.
Embodiment 3：
Step 1：Under the mixing speed of 10r/min, by 4.8849g nanometer carbon black and 1.1273g nano silica according to
It is secondary to be slowly added into 88.0362g aqueous polyurethane.
Step 2：7.6687g deionized water, 0.7516g emulsifier are slowly added into aqueous polyurethane after mixing
In.Continue that water base fever carbon slurry is made within mechanical stirring 5 hours with the revolving speed of 800r/min.
Step 3：0.9244g curing agent is uniformly blended into prepared water base fever carbon slurry, using paint-on technique, 2
It by the glass fibre netting of above-mentioned carbon slurry coating to copper conductor spacing 15cm in hour, and is dried at 110 DEG C, electric heating is made
Net.
Specific data
| Embodiment | 1 | 2 | 3 |
| 100V heating temperature | 40.6℃ | 37.5℃ | 36.7℃ |
| 220V heating temperature | 84.4℃ | 67.1℃ | 62.4℃ |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of preparation method of the netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry, which is characterized in that including step：
Step 1：Under the mixing speed of 10-20r/min, by nanometer carbon black and nano silica successively with 200-300g/min
Speed be slowly added into aqueous polyurethane；
Step 2：Deionized water, emulsifier, dispersing agent and carbon nano tube dispersion liquid containing carboxyl are slowly added into after mixing
In the aqueous polyurethane, continue the water base hair of 5 hours obtained carbon nanotubes of mechanical stirring with the revolving speed of 700-800r/min
Hot carbon slurry；
Step 3：Curing agent is uniformly blended into prepared water base fever carbon slurry, it, will be upper in 2-4 hours using paint-on technique
It states carbon slurry to coat to glass fibre netting, and is dried at 100-130 DEG C, electric network is made.
2. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is that prepared electric network operating voltage is 10-220V.
3. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is that the carbon nano tube dispersion liquid is the carboxy-modified multi-walled carbon nanotube dispersion liquid containing dispersing agent, carboxy-modified
Multi-walled carbon nanotube concentration is 10%, dispersant concentration 2%.
4. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is, aqueous polyurethane solute used, carbon nano tube dispersion liquid solute, nanometer carbon black, nano silica, curing agent,
The mass ratio of dispersing agent and emulsifier is (70-80)：(0.5-3)：(11-17)：(2-4)：(1.5-3.5)：(0.2-0.5)：
(1.5-3), solvent are deionized water.
5. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is, the emulsifier category anionic maleic anhydride derivative.
6. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is that the curing agent is following any one or more：Aromatic isocyanate, aliphatic isocyanates, aromatic series are different
Cyanic acid ester oligomer, aliphatic isocyanates oligomer.
7. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is that paint-on technique described in step 3 is secondary paint-on technique, and coating makes fiberglass gridding be formed for the first time, second
Secondary coating improves the conductivity of electric network.
8. the preparation method of the netted thermo electric material according to claim 1 based on the carbon of carbon nanotube containing carboxyl slurry, special
Sign is that glass fibre netting mesh size described in step 3 is (5-12mm) * (5-12mm), quality 80-160g/m2,
And warp thread is built-in with the copper conductor that parallel spacing is 0.5-20cm.
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| CN201810771510.7A CN108882406A (en) | 2018-07-13 | 2018-07-13 | A kind of preparation method of the netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry |
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| CN201810771510.7A CN108882406A (en) | 2018-07-13 | 2018-07-13 | A kind of preparation method of the netted thermo electric material based on the carbon of carbon nanotube containing carboxyl slurry |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650558A (en) * | 2019-09-24 | 2020-01-03 | 北京石油化工学院 | Flexible graphene electric heating net and preparation method thereof |
| CN111826947A (en) * | 2020-07-31 | 2020-10-27 | 西安工程大学 | Preparation method of carbon nanotube conductive heating fabric |
| CN114437386A (en) * | 2022-02-23 | 2022-05-06 | 同济大学 | Preparation method of thin film conductive structure based on carbon nanotube-waterborne polyurethane |
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|---|---|---|---|---|
| CN110650558A (en) * | 2019-09-24 | 2020-01-03 | 北京石油化工学院 | Flexible graphene electric heating net and preparation method thereof |
| CN111826947A (en) * | 2020-07-31 | 2020-10-27 | 西安工程大学 | Preparation method of carbon nanotube conductive heating fabric |
| CN114437386A (en) * | 2022-02-23 | 2022-05-06 | 同济大学 | Preparation method of thin film conductive structure based on carbon nanotube-waterborne polyurethane |
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Application publication date: 20181123 |