CN110191523A - A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application - Google Patents
A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application Download PDFInfo
- Publication number
- CN110191523A CN110191523A CN201910308744.2A CN201910308744A CN110191523A CN 110191523 A CN110191523 A CN 110191523A CN 201910308744 A CN201910308744 A CN 201910308744A CN 110191523 A CN110191523 A CN 110191523A
- Authority
- CN
- China
- Prior art keywords
- nano
- heating film
- radiant heating
- electric radiant
- carbon material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H05B3/0019—Circuit arrangements
-
- 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
- H05B3/02—Details
-
- 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
-
- 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
Abstract
The present invention provides a kind of nano-carbon material Electric radiant Heating Film, and raw material includes: carbon nanotube, graphene and nano-cellulose.The present invention is used cooperatively by carbon nanotube, graphene and nano-cellulose, and nano-carbon material Electric radiant Heating Film obtained is made to have the advantages that low-voltage high-efficiency.
Description
Technical field
The present invention relates to thermo electric material fields, and in particular to a kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film and its preparation side
Method and application.
Background technique
In-built electrical thermosphere electric heating timber product is a kind of efficient low temperature radiation heating product, mainly passes through carbon system electricity
Hot material is compounded to form with wood materials.In-built electrical thermosphere electric heating timber product is using electricity as the energy, by by electric energy
The mode for being converted to thermal energy provides heat, reaches heating function.Such timber product maintains the excellent dicoration of wood materials
And natural characteristic, while heat source being provided, meet China's electricity heating development tactics and environmentally friendly trend.The carbon that the based article uses at present
Fiber heating paper, carbon crystal electric hotting mask and carbon fiber cable mainly use 220V voltage to carry out heating power, and there are potential electric leakages
Security risk influences to promote the use of.Therefore preparation uses the Electric radiant Heating Film of safe voltage (36V or less), further increases Electric radiant Heating Film
Electric security performance have practical significance.
Patent CN201610049789.9 discloses a kind of preparation method of super soft light graphite alkene Electric radiant Heating Film, mainly makes
It is raw material with graphene, and prepares pure graphene aerogel film by way of high-temperature heat treatment.The Electric radiant Heating Film is mainly applied
Electronic device fever, application field have limitation.
Patent CN201811278564.6 discloses a kind of graphene Electric radiant Heating Film and its preparation method and application, passes through graphite
Alkene conductive film masking liquid dries solidification after metal base brushing and graphene Electric radiant Heating Film is made.Its preparation process is complicated, and use is
Metal base is not suitable for electric heating timber product as heating layer substrate.
Patent CN201710472743.2 discloses a kind of nano-cellulose/graphene complex electrocaloric film and its green preparation
Technique is mainly mixed using graphene with nano-cellulose, is mixed nano-cellulose and graphene using inkjet printing methods
Disperse system is printed on insulating layer and is made, or is made by vacuum filtration, casting.The technique is only with graphene as conductive single
Member does not account for different nano-carbon material synergies, and graphene additive amount larger impact film strength, and higher cost.
Patent CN201810462147.0 discloses a kind of nano-cellulose/graphene oxide thermo electric material and its preparation side
Method is applied after the mixing of graphene, graphene oxide and nano-cellulose by inkjet printing or spraying or brushing film build method
It is distributed on insulating layer and forms heating film.The technique directly prints mixed liquor or spray or applies layer of cloth, since mixed liquor does not have
There is binder etc., is easy to be layered with insulating layer, forms short circuit.
Summary of the invention
In view of above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of low-voltage high-efficiency nano carbon materials
Expect Electric radiant Heating Film preparation method and application, by being used cooperatively for carbon nanotube, graphene and nano-cellulose, makes obtained receive
Rice carbon material Electric radiant Heating Film has the advantages that low-voltage high-efficiency.
One aspect of the present invention provides a kind of nano-carbon material Electric radiant Heating Film, and raw material includes: carbon nanotube, graphene and receives
Rice cellulose.
Present inventor it has been investigated that, when simultaneously using carbon nanotube, graphene and nano-cellulose this three
When kind component is as raw material, carbon nanotube, graphene mutually can be overlapped closely in nano-carbon material Electric radiant Heating Film obtained, be formed equal
Even conductive network, and then cause the performance of nano-carbon material Electric radiant Heating Film more stable, heating temperature is more evenly.And when in raw material
When lacking one or both of carbon nanotube, graphene and nano-cellulose, the nano-sized carbon of consistent heat generation cannot be made
Material electric heating film.
For example, carbon nanotube agglomeration is tight in nano-carbon material Electric radiant Heating Film obtained when lacking graphene in raw material
Weight.Inventor speculates that reason may be that carbon nanotube has fibrous structure, is easy to reunite in aqueous solution, dispersion effect
It is bad.But after graphene is added, carbon nanotube and graphene form bridge joint effect, with graphene in aqueous solution in uniform
The state of dispersion.And then each component in nano-carbon material Electric radiant Heating Film obtained is made to be in evenly dispersed state, nano-carbon material electricity
Hotting mask has stable performance.
According to the present invention, carbon nanotube and graphene play thermally conductive heating functioin, and nano-cellulose is as film forming matrix.
In some preferred embodiments of the invention, the raw material of nano-carbon material Electric radiant Heating Film further includes fire retardant.
According to the present invention, addition fire retardant is conducive to delay nano-cellulose high temperature cabonization, improves the thermostabilization of Electric radiant Heating Film
Property.
In some preferred embodiments of the invention, the fire retardant is response type phosphorus-nitrogenated flame retardant.
In some preferred embodiments of the invention, the diameter of the carbon nanotube is 10nm-100nm, preferably
30nm-50nm；And/or length is 0.1 μm -10 μm, preferably 4 μm -8 μm；And/or conductivity is in 150s/cm or more, preferably
200s/cm-300s/cm；And/or bulk density is 1.8g/cm3-2.0g/cm3。
According to the present invention, when the parameters of carbon nanotube are in above-mentioned specific range, be conducive to nano-carbon material
Quick conductive after Electric radiant Heating Film is powered, and fever rapidly.
In some preferred embodiments of the invention, the graphene with a thickness of 0.1nm-10nm, preferably
0.5nm-4nm；And/or median is 0.1 μm -8 μm, preferably 1 μm -5 μm；And/or the number of plies at 8 layers hereinafter, preferably 3
- 5 layers of layer.
According to the present invention, when the parameters of graphene are in above-mentioned specific range, be conducive to nano-carbon material electricity
Hotting mask fast heating, and improve fever uniformity.
In some preferred embodiments of the invention, the length of the nano-cellulose is 1 μm -10 μm, preferably 1
μm-5μm；And/or diameter is 1nm-50nm, preferably 5nm-15nm.
According to the present invention, when the parameters of nano-cellulose are in above-mentioned specific range, be conducive to improve electric heating
The tensile strength of film, and there is good flexibility.
In some preferred embodiments of the invention, the nano-cellulose is that cationic nano-cellulose is fine
Silk.
According to the present invention, cationic nano-cellulose fibril is relative to carboxylated nano-cellulose, Cellulose nanocrystal
Nano-carbon material Electric radiant Heating Film obtained can be made more easily to form a film etc. other nano-celluloses, not occur brittle failure, cracking etc. and lack
It falls into.
In some preferred embodiments of the invention, the carbon nanotube is multi-walled carbon nanotube.
In some preferred embodiments of the invention, the fire retardant is six (4- diethyl phosphate hydroxymethyl phenoxies
Base) three phosphonitrile of ring.
It according to the present invention, can when selecting six (4- diethyl phosphate hydroxy methyl phenyloxy) rings, three phosphonitrile as fire retardant
So that the horizontal firing grade of nano-carbon material Electric radiant Heating Film obtained reaches HF-1 grades, vertical combustion grade reaches V-0 grades.
According to the present invention, the raw material of nano-carbon material Electric radiant Heating Film optionally includes additive commonly used in the art, such as divides
Powder.By the gross weight of carbon nanotube, graphene and nano-cellulose be 100 mass fractions in terms of, the dosage of the dispersing agent is
7-10 mass fraction.
According to the present invention, dispersing agent helps to improve the dispersibility of carbon nanotube, graphene and nano-cellulose.
Another aspect of the present invention provides a kind of preparation method of nano-carbon material Electric radiant Heating Film, comprising:
The aqueous solution of carbon nanotubes, graphene and nano-cellulose is provided；
Vacuum filtration processing is carried out to the aqueous solution of the carbon nanotubes, graphene and nano-cellulose, position is made
In the nano-carbon material Electric radiant Heating Film on filter membrane；
The nano-carbon material Electric radiant Heating Film and the filter membrane are subjected to separating treatment, nano-carbon material Electric radiant Heating Film is made.
Present inventor has found under study for action, compared with the organic solvents such as dehydrated alcohol, using water as dispersion carbon
The solvent of nanotube, graphene and nano-cellulose enables to a variety of materials mutually uniformly to overlap, and forms uniform electric heating
Film, and environmental issue is not present after water suction filtration, and other organic solvents have Latent destruction to environment.
Present inventor also found that the thin film-forming method using vacuum filtration processing is conducive to carbon nanotube, graphene
The effect of hydrogen bond between nano-cellulose, and have Electric radiant Heating Film with micropore, assign flexibility, and simple process, cost
It is low.
In some preferred embodiments of the invention, the preparation method further includes using retardant solution to obtained
Nano-carbon material Electric radiant Heating Film carry out impregnation.
According to the present invention, the preparation method further includes before carrying out separating treatment to the nanometer on filter membrane
Carbon material Electric radiant Heating Film is dried.Wherein, the mode of drying process is unrestricted, is located at receiving on filter membrane as long as can remove
Moisture in rice carbon material Electric radiant Heating Film.
According to the present invention, contained by the way that carbon nanotube, graphene and nano-cellulose and water are carried out mixed processing preparation
The aqueous solution of carbon nanotube, graphene and nano-cellulose.The method of mixed processing include by carbon nanotube, graphene and
After nano-cellulose is placed in water, it is ultrasonically treated, and is stirred after ultrasonic treatment.
According to the present invention, the power of ultrasonic treatment is 500W-600W, and the time of ultrasonic treatment is 5min-10min.
According to the present invention, the revolving speed of stir process is 1000r/min-1500r/min, and the time of stir process is 10min-
1h, preferably 30min.
In some preferred embodiments of the invention, the carbon nanotubes, graphene and nano-cellulose
In aqueous solution, the mass ratio of carbon nanotube, graphene and nano-cellulose is (5-35): (5-35): 60, preferably 20:20:
60。
According to the present invention, when the mass ratio of carbon nanotube, graphene and nano-cellulose is in above-mentioned specific range
When, be conducive to Electric radiant Heating Film energy fast heating at safe voltage (36V or less), heating temperature meets the requirement of electric heating timber product.
In some preferred embodiments of the invention, the pressure of the vacuum filtration processing is 0.01MPa-
0.1MPa, preferably 0.08MPa-0.1MPa.
In some preferred embodiments of the invention, the time of the vacuum filtration processing is 1h-10h, preferably
4h-5h。
According to the present invention, used filter membrane is polytetrafluoroethylene (PTFE) (PTFE) filter membrane, the filter when carrying out vacuum filtration processing
Film is hydrophilic, and pore size is 0.22 μm.
In some preferred embodiments of the invention, the method for the separating treatment includes: to be located at filter membrane for described
On nano-carbon material Electric radiant Heating Film be placed in dehydrated alcohol carry out immersion treatment after, by nano carbon material by the way of mechanical stripping
Material Electric radiant Heating Film is separated with filter membrane；Preferably, the time of immersion treatment is 1min-10min.
Present inventor has found under study for action, is difficult by the way of conventional by nano-carbon material Electric radiant Heating Film and filter membrane
Separation, and after carrying out immersion treatment to the nano-carbon material Electric radiant Heating Film being located on filter membrane by dehydrated alcohol, machinery can be passed through
The mode of removing separates nano-carbon material Electric radiant Heating Film with filter membrane.
Inventor speculates that above-mentioned phenomenon may be due to the hydrogen bond after dehydrated alcohol displacement water, between Electric radiant Heating Film and filter membrane
It reduces, Van der Waals force is obviously weakened, can be completely stripped using nano-carbon material Electric radiant Heating Film and filter membrane.
In some preferred embodiments of the invention, the mass fraction of the fire retardant is 15%-20%, and pH value is
5.5-7.0。
According to the present invention, when the parameters of fire retardant are in above-mentioned specific range, be conducive to nano-carbon material electricity
The flame retardant property of hotting mask reaches requirement, and can control cost.
In some preferred embodiments of the invention, the time of the impregnation is 10s-50s, preferably 20s-
30s。
According to the present invention, place can be dried to the nano-carbon material Electric radiant Heating Film through impregnation in air dry oven
Reason.Preferably, the temperature of drying process is 60 DEG C -70 DEG C, and the time of drying process is 2h-3h.
Further aspect of the present invention provides nano-sized carbon made from a kind of above-mentioned nano-carbon material Electric radiant Heating Film or above-mentioned preparation method
Application of the material electric heating film in compound electro-thermal timber product field.
According to the present invention, the power-on voltage of the compound electro-thermal timber product is 15V-25V, and heating temperature is 30 DEG C -70
℃。
According to the present invention, the example of the compound electro-thermal timber product includes electric hot plate, and the electric hot plate includes:
Substrate,
Nano-carbon material Electric radiant Heating Film on the substrate is formed,
The insulating layer being formed between the substrate and the nano-carbon material Electric radiant Heating Film, and
The conductive silver paste being formed at the length direction both sides of the edge of the another side of the nano-carbon material Electric radiant Heating Film.
According to the present invention, the proportion by control multi-walled carbon nanotube, graphene and nano-cellulose and the different lotuses of input
Nano-carbon material electric heating film for heating temperature can be regulated and controled by carrying voltage.
Nano-carbon material Electric radiant Heating Film mechanical strength with higher, preferable flexibility prepared by the present invention and higher
Heating property and lower energy consumption.
Detailed description of the invention
Fig. 1 is thermal infrared figure of the nano-carbon material Electric radiant Heating Film made from embodiment 1 under the voltage of 20V.
Fig. 2 a and Fig. 2 b are the electron scanning micrographs of nano-carbon material Electric radiant Heating Film made from embodiment 1.
Fig. 3 is nano-carbon material Electric radiant Heating Film made from embodiment 1 under different voltage, conduction time and heating temperature
Relational graph.
Fig. 4 is the circulation aging tendency figure of nano-carbon material Electric radiant Heating Film made from embodiment 1.
Fig. 5 is the flexible picture for showing nano-carbon material Electric radiant Heating Film made from embodiment 1.
Specific embodiment
The present invention is described in detail by the following examples, but protection scope of the present invention is not limited to down state
It is bright.
In the following embodiments, used each raw material includes:
Multi-walled carbon nanotube: diameter 40nm, 6 μm of length, conductivity 250s/cm, bulk density 2.0g/cm3；
Graphene: thickness 3nm, 4 μm of median, 5 layers；
Cationic nano-cellulose fibril: 5 μm of length, diameter 12nm；Dispersing agent: product type TNWDIS.
In this application, electric-thermal emission conversion efficiency refers to every power for increasing 1 DEG C of needs and consuming.
Embodiment 1
(1) (i.e. by 0.203g multi-walled carbon nanotube, 0.029g graphene and 0.348g cationic nano-cellulose fibril
The mass ratio of each component is 35:5:60) it is placed in a beaker, 0.05g nano-carbon material dispersing agent is added later, and 50g steaming is added
Then distilled water is ultrasonically treated the magnetic agitation processing under the revolving speed of 1000r/min after 5min under the ultrasonic power of 600W
The aqueous solution of carbon nanotubes, graphene and nano-cellulose is made in 30min.
(2) aqueous solution of carbon nanotubes obtained in step (1), graphene and nano-cellulose is poured into and has been assembled
(Funnel diameter 110mm has placed PTFE in funnel in the Buchner funnel of good and in operating status Vacuum filtration device
Filter membrane), 4h is handled under the vacuum filtration pressure of 0.1MPa, carbon nanotube-graphene-nanometer on PTFE filter membrane is made
Cellulose nano-carbon material Electric radiant Heating Film.
(3) carbon nanotube-graphene-being located on PTFE filter membrane that most of moisture has been leached out in step (2) is received
Rice cellulose nano-carbon material Electric radiant Heating Film is put into air dry oven together with funnel to be dried, and the time of drying process is 2h,
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is taken out from funnel together with PTFE filter membrane later, is placed in nothing
After impregnating 2min in water-ethanol, using tweezers by carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film and PTFE
Filter membrane separation.
(4) carbon nanotube-graphene isolated in step (3)-nano-cellulose nano-carbon material Electric radiant Heating Film is placed in
Mass fraction is 15%, impregnates 30s in six (4- diethyl phosphate hydroxy methyl phenyloxy) rings, the three phosphonitrile solution that pH value is 7, takes
It is placed in 70 DEG C of baking oven dry 30min out, carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is made.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 16.4MPa, maximum strain 0.21%；Conductivity is 7.6S/cm, when energization 10V, 3min heating temperature
Reach 40.1 DEG C, when voltage range 4-12V, 40.7mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 2
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 1, no
With place be only that multi-walled carbon nanotube, graphene and cationic nano-cellulose fibril dosage be respectively 0.116g,
0.116g and 0.348g (i.e. the mass ratio of each component is 20:20:60).
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 40.5MPa, maximum strain 0.52%；Conductivity is 2.7S/cm, when energization 20V, 3min heating temperature
Reach 53.9 DEG C, when voltage range 4-20V, 37.4mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 3
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 1, no
With place be only that multi-walled carbon nanotube, graphene and cationic nano-cellulose fibril dosage be respectively 0.029g,
0.203g and 0.348g (i.e. the mass ratio of each component is 5:35:60).
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 48.5MPa, maximum strain 0.9%；Conductivity is 1.17S/cm；When energization 20V, 3min heating temperature
Reach 39.7 DEG C, when voltage range 8-28V, 40.1mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 4
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 2, no
The mass ratio that carbon nanotube, graphene and nano-cellulose are only that with place is 10:30:60.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Resistance to spalling of passing judgement is 44.6MPa, maximum strain 0.73%；Conductivity is 1.22S/cm, when energization 20V, 3min heating temperature
Reach 39.4 DEG C, when voltage range 8-30V, 37.0mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 5
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 1, no
It is only that with place using the cationic nanometer in carboxylated nano-cellulose fibril or Cellulose nanocrystal alternative embodiment 1
Cellulose fibril.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, is as a result sent out
Existing, nano-carbon material electric heating film surface forms cracking striped after filtering, being dry, and brittleness is big, is not able to satisfy Electric radiant Heating Film intensity and soft
Property require.
Embodiment 6
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 2, no
The diameter that used carbon nanotube is only that with place is 30nm, and length is 4 μm.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 41.2MPa, maximum strain 0.6%, when conductivity 2.1S/cm, energization 20V, 3min heating temperature
Reach 53.9 DEG C, when voltage range 4-20V, 38.3mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 7
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 2, no
With place be only that used in graphene with a thickness of 1.5nm, median is 2 μm, and the number of plies is 3 layers.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 40.5MPa, maximum strain 0.5%；Conductivity is 2.7S/cm, when energization 20V, 3min heating temperature
Reach 48.3 DEG C, when voltage range 4-20V, 39.8mW/ DEG C of electric-thermal emission conversion efficiency.
Embodiment 8
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 2, no
With place be only that used in graphene with a thickness of 1nm, 2 μm of median.
Carbon nanotube-graphene obtained-nano-cellulose nano-carbon material Electric radiant Heating Film is tested for the property, as a result table
Its bright breaking strength is 39.9MPa, maximum strain 0.4%；Conductivity is 2.4S/cm, when energization 20V, 3min heating temperature
Reach 45.2 DEG C, when voltage range 4-20V, 42.7mW/ DEG C of electric-thermal emission conversion efficiency.
Comparative example 1
Multi-walled carbon nanotube is not used in this comparative example.Graphene-nanometer is prepared referring to the preparation method in embodiment 1
Cellulose Electric radiant Heating Film the difference is that only that the dosage of graphene is 0.232g, the dosage of cationic nano-cellulose fibril
For 0.348g (i.e. the mass ratio of each component is 40:60).
Graphene obtained-nano-cellulose Electric radiant Heating Film is tested for the property, the results showed that its breaking strength is
40.1MPa, maximum strain 0.41%, when conductivity 0.67S/cm, energization 20V, 3min heating temperature reaches 27.8 DEG C, electricity
When pressing range 15-40V, 39.6mW/ DEG C of electric-thermal emission conversion efficiency.
Comparative example 2
Graphene is not used in this comparative example.Carbon nanotube-nano fiber is prepared referring to the preparation method in embodiment 1
Plain nano-carbon material Electric radiant Heating Film the difference is that only that the dosage of carbon nanotube is 0.232g, and cationic nano-cellulose is fine
The dosage of silk is 0.348g.
Carbon nanotube-nano cellulose nano-carbon material Electric radiant Heating Film obtained is tested for the property, the results showed that it is disconnected
Resistance to spalling is 36.8MPa, maximum strain 1.0%, and when conductivity 6.08S/cm, energization 20V, 3min heating temperature reaches
100.6 DEG C, 30.8mW/ DEG C of electric-thermal emission conversion efficiency.
From the point of view of test result, under conductive unit additional amount the same terms, carbon nanotube Electric radiant Heating Film is than graphene electric heating
Film has better electric conductivity, higher heating temperature and better electric-thermal emission conversion efficiency.But carbon nanotube Electric radiant Heating Film is sent out
Hot temperature uniformity is poor, and carbon nanotube additive amount is more than 20% or more there are significant agglomeration, Electric radiant Heating Film occurs bright
Aobvious high-temperature area, there are security risks.
Comparative example 3
Carbon nanotube-graphene-nano-cellulose nano-carbon material Electric radiant Heating Film is prepared in the way of in embodiment 2, no
It is only that with place and is implemented using vacuum drying mode (mixed liquor places polytetrafluoroethylene (PTFE) or glassware vacuum drying) replacement
Vacuum filtration processing in example 2.
In drying process, due to being dehydrated the effect of tension, carbon nanotube-graphene-nano-cellulose nano-carbon material electricity
There is severe curl phenomenon in hotting mask, can not obtain flat and smooth Electric radiant Heating Film, and thickness degree is uneven, nano-carbon material aggregation is bright
It is aobvious.
It should be noted that embodiment described above for explaining only the invention, is not constituted to of the invention any
Limitation.By referring to exemplary embodiments, invention has been described, it should be appreciated that word used in it is descriptive
With explanatory vocabulary, rather than limited vocabulary.The present invention can be made within the scope of the claims by regulation
Modification, and the present invention is revised in without departing substantially from scope and spirit of the present invention.Although the present invention described in it relates to
And specific method, material and embodiment, it is not intended that the present invention is limited to particular case disclosed in it, on the contrary, this hair
It is bright to can be extended to other all methods and applications with the same function.
Claims (10)
1. a kind of nano-carbon material Electric radiant Heating Film, raw material includes: carbon nanotube, graphene and nano-cellulose；Preferably,
Raw material further includes fire retardant, it is highly preferred that the fire retardant is response type phosphorus-nitrogenated flame retardant.
2. nano-carbon material Electric radiant Heating Film according to claim 1, which is characterized in that
The diameter of the carbon nanotube is 10nm-100nm, preferably 30nm-50nm；And/or length is 0.1 μm -10 μm, preferably
It is 4 μm -8 μm；And/or conductivity is in 150s/cm or more, preferably 200s/cm-300s/cm；And/or bulk density is 1.8g/
cm3-2.0g/cm3；And/or
The graphene with a thickness of 0.1nm-10nm, preferably 0.5nm-4nm；And/or median is 0.1 μm -8 μm, it is excellent
It is selected as 1 μm -5 μm；And/or the number of plies at 8 layers hereinafter, preferably 3 layers -5 layers；And/or
The length of the nano-cellulose is 1 μm -10 μm, preferably 1 μm -5 μm；And/or diameter is 1nm-50nm, preferably
5nm-15nm。
3. nano-carbon material Electric radiant Heating Film according to claim 1 or 2, which is characterized in that the nano-cellulose be sun from
Subtype nano-cellulose fibril；And/or the fire retardant is six (4- diethyl phosphate hydroxy methyl phenyloxy) rings, three phosphonitrile.
4. a kind of preparation method of nano-carbon material Electric radiant Heating Film, comprising:
The aqueous solution of carbon nanotubes, graphene and nano-cellulose is provided；
Vacuum filtration processing is carried out to the aqueous solution of the carbon nanotubes, graphene and nano-cellulose, is made and is located at filter
Nano-carbon material Electric radiant Heating Film on film；
The nano-carbon material Electric radiant Heating Film and the filter membrane are subjected to separating treatment, nano-carbon material Electric radiant Heating Film is made；
Preferably, the preparation method further includes being carried out at dipping using retardant solution to nano-carbon material Electric radiant Heating Film obtained
Reason.
5. the preparation method according to claim 4, which is characterized in that the carbon nanotubes, graphene and Nanowire
In the aqueous solution for tieing up element, the mass ratio of carbon nanotube, graphene and nano-cellulose is (5-35): (5-35): 60, preferably
20:20:60。
6. preparation method according to claim 4 or 5, which is characterized in that it is described vacuum filtration processing pressure be
0.01MPa-0.1MPa, preferably 0.08MPa-0.1MPa；And/or the time of the vacuum filtration processing is 1h-10h, preferably
For 4h-5h.
7. the preparation method according to any one of claim 4-6, which is characterized in that the method packet of the separating treatment
It includes: the nano-carbon material Electric radiant Heating Film on filter membrane being placed in dehydrated alcohol after carrying out immersion treatment, shelled using machinery
From mode nano-carbon material Electric radiant Heating Film is separated with filter membrane；Preferably, the time of immersion treatment is 1min-10min.
8. the preparation method according to any one of claim 4-7, which is characterized in that the quality of the retardant solution point
Number is 15%-20%, pH value 5.5-7.0；And/or the time of the impregnation is 10s-50s, preferably 20s-30s.
9. any one of nano-carbon material Electric radiant Heating Film according to any one of claim 1-3 or claim 4-8 institute
Application of the nano-carbon material Electric radiant Heating Film made from the preparation method stated in compound electro-thermal timber product field.
10. application according to claim 9, which is characterized in that the power-on voltage of the compound electro-thermal timber product is
15V-25V, heating temperature are 30 DEG C -70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308744.2A CN110191523A (en) | 2019-04-17 | 2019-04-17 | A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308744.2A CN110191523A (en) | 2019-04-17 | 2019-04-17 | A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110191523A true CN110191523A (en) | 2019-08-30 |
Family
ID=67714722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910308744.2A Pending CN110191523A (en) | 2019-04-17 | 2019-04-17 | A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110191523A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670411A (en) * | 2019-09-10 | 2020-01-10 | 衢州五洲特种纸业股份有限公司 | Food paperboard with heat preservation and heating functions and preparation method thereof |
| CN110685186A (en) * | 2019-09-10 | 2020-01-14 | 衢州五洲特种纸业股份有限公司 | Modified graphene/nano-cellulose conductive functional coating and preparation method and application thereof |
| CN112291868A (en) * | 2020-09-14 | 2021-01-29 | 兰州大学 | Self-annealing graphene self-supporting high-temperature electrothermal film and preparation method thereof |
| CN114143920A (en) * | 2021-10-21 | 2022-03-04 | 广东耀东华装饰材料科技有限公司 | Low-voltage electric heating veneer and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317785A (en) * | 2012-03-20 | 2013-09-25 | 沈阳航空航天大学 | Method for preparing carbon nanometer paper flame resistant polymer matrix composite material |
| CN103476158A (en) * | 2013-09-04 | 2013-12-25 | 中国科学院深圳先进技术研究院 | PTC composite material heating film and manufacturing method and application thereof |
| CN204616114U (en) * | 2015-05-22 | 2015-09-02 | 广东天弼陶瓷有限公司 | A kind of nano electroheating composite ceramics |
| CN104910398A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院金属研究所 | Nanocellulose-assisted preparation method of high-content graphene flexible conductive composite membrane |
| CN107105528A (en) * | 2017-05-31 | 2017-08-29 | 北京绿能嘉业新能源有限公司 | Graphene composite fibre far-infrared negative-ion compliant conductive heating board and manufacture craft |
| CN108521683A (en) * | 2018-05-15 | 2018-09-11 | 广西大学 | Nano-cellulose graphene oxide thermo electric material and preparation method thereof |
| CN109251342A (en) * | 2018-07-12 | 2019-01-22 | 南京林业大学 | A kind of nano-cellulose/carbon nano-tube/poly dimethyl siloxane conductive composite film and preparation method thereof |
-
2019
- 2019-04-17 CN CN201910308744.2A patent/CN110191523A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317785A (en) * | 2012-03-20 | 2013-09-25 | 沈阳航空航天大学 | Method for preparing carbon nanometer paper flame resistant polymer matrix composite material |
| CN103476158A (en) * | 2013-09-04 | 2013-12-25 | 中国科学院深圳先进技术研究院 | PTC composite material heating film and manufacturing method and application thereof |
| CN104910398A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院金属研究所 | Nanocellulose-assisted preparation method of high-content graphene flexible conductive composite membrane |
| CN204616114U (en) * | 2015-05-22 | 2015-09-02 | 广东天弼陶瓷有限公司 | A kind of nano electroheating composite ceramics |
| CN107105528A (en) * | 2017-05-31 | 2017-08-29 | 北京绿能嘉业新能源有限公司 | Graphene composite fibre far-infrared negative-ion compliant conductive heating board and manufacture craft |
| CN108521683A (en) * | 2018-05-15 | 2018-09-11 | 广西大学 | Nano-cellulose graphene oxide thermo electric material and preparation method thereof |
| CN109251342A (en) * | 2018-07-12 | 2019-01-22 | 南京林业大学 | A kind of nano-cellulose/carbon nano-tube/poly dimethyl siloxane conductive composite film and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张火利等: "《新型贵金属催化剂的设计制备及加氢应用》", 15 November 2016 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670411A (en) * | 2019-09-10 | 2020-01-10 | 衢州五洲特种纸业股份有限公司 | Food paperboard with heat preservation and heating functions and preparation method thereof |
| CN110685186A (en) * | 2019-09-10 | 2020-01-14 | 衢州五洲特种纸业股份有限公司 | Modified graphene/nano-cellulose conductive functional coating and preparation method and application thereof |
| CN112291868A (en) * | 2020-09-14 | 2021-01-29 | 兰州大学 | Self-annealing graphene self-supporting high-temperature electrothermal film and preparation method thereof |
| CN114143920A (en) * | 2021-10-21 | 2022-03-04 | 广东耀东华装饰材料科技有限公司 | Low-voltage electric heating veneer and preparation method thereof |
| CN114143920B (en) * | 2021-10-21 | 2023-10-13 | 广东耀东华集团有限公司 | Low-voltage electric heating veneer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110191523A (en) | A kind of low-voltage high-efficiency nano-carbon material Electric radiant Heating Film preparation method and application | |
| KR101294596B1 (en) | Composition and method of carbon nanotube paste for flat heating element device | |
| KR20080030410A (en) | Conductive ink-composition for flat type pyrogen and flat type pyrogen using with the ink composition | |
| CN105694074B (en) | A kind of preparation method of the high dielectric nano composite membrane of flexibility fire-resistant | |
| CN108755279B (en) | Aramid fiber porous conductive paper and preparation method thereof | |
| CN111073059A (en) | Nano-cellulose electrothermal film and preparation method thereof | |
| CN102456886B (en) | Method for increasing bending strength of gas diffusion layer in fuel cell | |
| WO2008128411A1 (en) | \nanometer, far infrared and negative ion conductive paper and its preparation | |
| CN105696420B (en) | A kind of conductive paper and preparation method thereof | |
| KR102144255B1 (en) | Carbon non-woven fabric and manufacturing method thereof | |
| CN109098029A (en) | A kind of manufacturing method of novel carbon fiber heating paper | |
| CN103451991A (en) | Preparation method of lignin enhanced graphite conductive paper | |
| Bian et al. | A strong soybean meal adhesive enhanced by aluminum hydroxide nanoparticles via a low-cost and simple organic-inorganic hybrid strategy | |
| CN108797190A (en) | Graphene mica duplex paper and its preparation method and application and mica electric hot plate or heating equipment comprising it | |
| CN208479970U (en) | A kind of graphite nano plate flexible heater film | |
| CN103388278A (en) | Carbon fibre paper and preparation method thereof | |
| CN103214881A (en) | Ionic liquid grafted modified carbon black and preparation method thereof | |
| WO2005090481A1 (en) | Composite material, composite carbon material and method for producing those | |
| KR20170041739A (en) | Highly dispersed and viscosity controllable transparent electrode ink with carbon nanotubes | |
| CN114068796A (en) | Preparation method of composite thermoelectric material based on regenerated nano-cellulose | |
| CN107419607A (en) | A kind of High Strength Carbon Nanotubes conductive paper and preparation method | |
| WO2017219457A1 (en) | Heat-resistant synthetic fiber paper | |
| WO2020240733A1 (en) | Conductive paste, conductive film, and method for producing conductive film | |
| JP6291818B2 (en) | Porous carbon electrode and manufacturing method thereof | |
| CN107700262B (en) | A kind of high conductivity conductive paper and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |
|
| RJ01 | Rejection of invention patent application after publication |