CN110144068A - CNT compound material heater and its manufacturing method and application - Google Patents
CNT compound material heater and its manufacturing method and application Download PDFInfo
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- CN110144068A CN110144068A CN201810249254.5A CN201810249254A CN110144068A CN 110144068 A CN110144068 A CN 110144068A CN 201810249254 A CN201810249254 A CN 201810249254A CN 110144068 A CN110144068 A CN 110144068A
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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
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- 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
- C08K9/00—Use of pretreated ingredients
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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
-
- 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
- H05B3/18—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
-
- 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
- C08K2201/001—Conductive additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
Abstract
The invention discloses a kind of CNT compound material heaters, the CNT compound material heater include silicon rubber, PBR, PP, PE, NDBR, SSBR, acrylic rubber, fluorubber, it is more than any one in polyurethane, the weight content for being dispersed the carbon nanotube of processing is 1% to 12%.The effect that the present invention reaches is: power consumption is low, using safe.The invention also discloses the preparation method and applications of the CNT compound material heater.
Description
Technical field
The present invention relates to compound material heater technical fields, include the compound of carbon nanotube more particularly, to a kind of
Profile material heater.The invention further relates to the manufacturing methods that this includes the compound material heater of carbon nanotube.
Background technique
Compound material heater comprising carbon nanotube (CNT, CarbonNanoTube, hereinafter referred to as " CNT ") is exactly
Heater is made in the compound material mixed by CNT and macromolecule, which is placed on face, face and face it
Between be inserted into electrode, just can promote heater service life, and improve safety.
CNT was had found in 1991 by Japanese Scientists for the first time.The substance possesses electric conductivity more stronger than copper, more than diamond
High thermal conductivity, and its mechanical property is higher than thousands of times of iron.Currently, CNT has had more than use and volume production history in 20 years, and often
Additive as other materials uses.Because of distinctive antistatic, electromagnetic wave is shielded, absorbs electric wave, sound insulation is heat-insulated, fever
Etc. characteristics, CNT be widely used in multiple necks such as electric appliance, electronics, automobile, ship, aviation, movement, military affairs as additional materials
Domain.However, the developmental research due to the isolation technics and methods for using them to CNT is insufficient, can not still be applied even more extensively at present
CNT.Recently, hot spot is just become to the research for making heater based on CNT and carbon fiber.
It is noted that include CNT heater with no air pollution and noise, can radiate beneficial to human body
Far infrared the advantages of.Using this characteristic of CNT, scientists, which are being studied, is used for thermotherapy, healthy mulberry
It takes, clothing, bedding, heats, freeze prevention, and agriculture aquatic products are dry, stock barns, chemical plant and the combustion such as pig raising poultry
The pipe insulation of fate ship, or even make every effort to become next-generation household heating material.
But existing heater is mainly by directly forming the power supply for being similar to electrode on heater now
Come what is generated heat.But this heating system is easy to cause the generation of accident: first is that more than interface between heater and electrode
It will form high-temperature area, so as to cause safety accident；Second is that on heater if having foreign matter enter if hot spot easy to form, into
And local pyrexia and lead to safety accident.Also, the heater containing carbon fiber can not be heated to 100 DEG C or more, in broken string
In the case of can not continue to heat, cannot be by as materials'use.Meanwhile there is only service lifes sharply to contract for this kind of heater
Short problem, if being damaged by external impact, also easy to cause fire, electric shock and other safety accidents, and it is low to will appear performance
Under problem.
There is document to disclose and has selected plastics as polymer substance heater is made, in order to make CNT and polymer
Matter uniformly mixes, it has to add carbon black.The heater (as shown in Figure 2) that manufacturing method shown in the document is fabricated, should
The heating temperature of heater can steeply rise with the passing of time.In order to control temperature, need additionally to be added temperature control
Agent, user can face the problem that heating temperature is unstable increase with time.There is document and " utilizes heating mixture
The surface heating molecule of (heating paste) and low electric power portable heater " is related, discloses heating mixture
(heating paste) is made in low-resistance situation, thus made of fever physical efficiency in low-voltage and low dynamics
In the case of operate.There is document related with " carbon heating synthetic and carbon heating body ", discloses containing powdery silicon carbide
The manufacturing method of resin heater.There are document and " heater and its manufacturing method on the face with silane functionality " related, disclosure
Make the carbon raw crystallization comprising graphene and CNT, and is made the manufacturing method of heater after mixing with silanol.
However, mode of printing is utilized to manufacture heater in aforementioned documents.Heater made of this method can only be in table
Face fever, and because the contact resistance of electrode section is very big, it can only generate heat in electrode area and easily form hot spot (hot
Spot), harm is then generated.
Therefore applicant mixes the CNT of decentralized processing with macromolecule there is no above-mentioned several method is used
Compound material is made, workable surface is printed on existing heater and simultaneously adds electrode, but have investigated face with
Heater on the face of electrode is added between face, it can power saving and safety.
Summary of the invention
The object of the present invention is to provide a kind of CNT compound material heaters, it has and solves presently commercially available heater
Existing power consumption is high, and there are the security risks such as electric shock, fire, and because stability caused by short circuit or damage is poor, electromagnetic wave is to people
Body generates the characteristics of variety of problems such as harm.
The technical scheme adopted by the invention is that:
It is mixed using the CNT of dispersed processing with macromolecule, CNT compound material heater is made.
To reach above-mentioned target, the CNT in the present invention has used multi-walled carbon nanotube (MWCNT, Multiple Wall
CarbonNanoTube) and single-walled carbon nanotube (SWCNT, Single Wall Carbon NanoTube), the master of the selection of material
Want feature are as follows: diameter is within 30nm, and size is on the basis of 1 times of diameter, and aspect ratio is in 1:1000 or less.
High molecular material used in the present invention is rubber and plastics, specifically, by silicon rubber, PBR
(Polybutadiene Rubber), PP (Polypropylene), PE (Polyethylene), NDBR (Neodymium
Butadiene Rubber), SSBR (Solution Styrene Butadiene Rubber), acrylic rubber, fluorine-containing rubber
Glue, polyurethane, any one in PA (Polyamide) etc. above synthesize.
In the present invention, CNT accounts for the 1-12% of high molecular material weight.
The present invention includes following manufacturing step:
Decentralized processing stage early period of S110:CNT；
S120: the CNT and high molecular material mix stages of processing are dispersed；
S130: synthetic rolls (rolling) stage；
S140: the electrode stage is inserted between face and face；
S150: hot binding and hardening cooling stage.
In decentralized processing stage early period of step S110:CNT, MWCNT and SWCNT, main feature have been used are as follows: straight
Diameter is within 30nm, and size is on the basis of 1 times of diameter, and aspect ratio is in 1:1000 or less.
In step S120: in the CNT and high molecular material mix stages for being dispersed processing, having used rubber and plastics, had
It is the appointing in PA etc. by silicon rubber, PBR, PP, PE, NDBR, SSBR, acrylic rubber, fluorine-containing rubber, polyurethane for body
Anticipating, more than one are synthesized.
Also, in the CNT and high molecular material mix stages (S120) for being dispersed processing, need first to add in a mixer
Enter high molecular material, adds the CNT of its weight 1-12%.The difference according to CNT combined amount is needed in adition process, every time
The CNT of its weight 1-3% is added in macromolecule and operates repeatedly complete to mixing.
In step S130: synthetic rolls (rolling) stage, and by rolling mixing material, the shape of fever dignity is made
State.
In step S140: being inserted into the electrode stage between face and face, tin, silver and nickel are plated on copper electrode surface, electrode
It is inserted between the face and face of heater.
In step S150: in hot binding and hardening cooling stage, two sides continues hot binding 20- at 110-250 DEG C
50 minutes, hardening cooling made its sizing, heater on face is made.
The composite material heating body of the carbon nanotube of the preparation method production of CNT compound material heater above-mentioned is made
For heater core (heater core) application.
The effect that the present invention reaches is: power consumption is low, using safe.That is, manufacturing method according to the invention, produced
CNT compound material heater is mixed with rubber in macromolecule, by its buffering effect, utmostly reduces impaired possible
Property.Also, the CNT compound material in the present invention can be criticized in a manner of injection molding by the CNT of mixing macromolecule and dispersion
Amount production.The present invention using surface workable for printing on existing heater and does not add electrode, or utilizes
The method that electrode is added between face and face, enables the face Homogeneouslly-radiating of entire heater and non local heat dissipation.Then, at this
In invention, the heater of 3 dimension forms or multi-thickness can be manufactured by production metal die.The present invention can be prevented by damaging
The generation of wound, Superficial Foreign Body bring hot spot phenomenon, can not only prevent safety accident, moreover it is possible to increase product service life.CNT
Compound material heater can radiate the far infrared beneficial to human body by CNT.Compared with heater on existing face, this
Product can significantly save electric energy, used environment-friendly materials, and energy electromagnetic wave absorption, be allowed to not radiate externally.Outdoors or
There is no the place of power supply, only can maintain certain temperature that it is more than hour to be up to 5 as portable battery.CNT of the invention
Compound material heater is not limited by size, is served many purposes, such as heating cushion, heating shoes, the portable hair of outdoor
Hot body, moved seat, steering wheel heating device, gloves, handrail, door handle heater, bedding blanket heating etc..
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the flow chart for manufacturing CNT compound material heater.
Fig. 2 is that the heater under traditional technology changes over time, and the chart of heating temperature is (with right endpoint circle of each curve
Fixed, four curves respectively indicate the data cases in embodiment 1, embodiment 5, embodiment 6 and embodiment 7 from top to bottom).
Fig. 3 is to be dispersed the image of the CNT handled under a scanning electron microscope (to define with the right endpoint of each curve, four
Curve respectively indicates the data cases in embodiment 1, embodiment 5, embodiment 6 and embodiment 7 from top to bottom).
Fig. 4 is to make to be dispersed the CNT of processing and the mixer of high molecular material mixing.
Fig. 5 is the roll mill that CNT compound material is made to planar form.
Fig. 6 be face on heater face and face between electrode arrangement demonstration graph (in figure top text are as follows: heater,
The text of lower section are as follows: electrode).
Fig. 7 is that the two sides of heater on opposite carries out the machine of hot binding.
Fig. 8 is the heater that silicon and the CNT Jing Guo decentralized processing are mixed.
Fig. 9 is that CNT compound material heater is placed in the diagram in cushion.
Figure 10 is and the corresponding resistance comparison chart of different CNT contents (the header text in figure in NDBR, TPU, silicon
Are as follows: the heat-insulated-CNT Loading classification resistance value of rubber).
Figure 11 is the made result emitting far-infrared comprising the silicon heater of CNT of South Korea's far infrared association.
Figure 12 is the anion measurement result of the made silicon heater comprising CNT of South Korea's far infrared association.
Figure 13 is resistance ratio corresponding from carbon materials type and content different in PC (Poly Carbonate) or PP
Relatively result (Korean of bottom is respectively from left to right in figure: carbon black, special carbon black, common CNT, dispersion CNT).
Figure 14 be the silicon heater for containing CNT is applied to measured after room conditioning host electromagnetic wave result (in figure,
The text of figure top is successively from top to bottom: electromagnetic wave numerical value, the silicon+CNT of 20 centimeters of air-conditioner host measurement indoors are compound
After type material blocks, air-conditioning name: Samsung hauzen, electromagnetic wave measuring device name: ME3030B；The text of bottom divides from left to right
It is not: before blocking: 650V/m, blocking afterwards: 20V/m).
Figure 15 is the CNT for being dispersed processing.
Figure 16 is the temperature change result of the silicon heater containing CNT under different applied voltages.
Figure 17 be the silicon heater comprising CNT generated with voltage and time temperature change result (in figure, horizontal seat
Parameter unit is the second).
Figure 18 is temperature change of the silicon heater before and after punching comprising CNT.
Figure 19 is the current-mode figure of heater after drilling.
Figure 20 is the diagram that CNT paste is made to heater with screen printing technology.
Figure 21 is the CNT paste screen painting heater temperature change of generation at any time.
Figure 22 is the heater made with CNT-Plastic compound material.
Figure 23 is the diagram that CNT-Plastic compound material heater is changed over time plus the temperature after voltage.
Figure 24 is the diagram that CNT-Plastic compound material heater is changed over time plus the temperature after voltage.
Figure 25 is CNT-Film compound material.
Figure 26 and Figure 27 be CNT-Film compound material temperature change diagram (in Figure 26, what more loose dotted line referred to
It is that the dotted line that film is left, closeer refers to the film right side).
Figure 28 is temperature change of the CNT compound material heater under the effect of physics strength after parts against wear (in figure
The Korean left side in square picture are as follows: hole, the right are as follows: pothole).
Specific embodiment
Embodiment 1
The manufacture of CNT compound material heater:
Fig. 1 is the flow chart for manufacturing CNT compound material heater.
The manufacture of CNT compound material heater the following steps are included:
Decentralized processing stage early period of S110:CNT
Fig. 3 is to be dispersed the image of the CNT handled under a scanning electron microscope.
Figure 15 is the CNT for being dispersed processing.
In order to manufacture CNT compound material heater, need that CNT is first made decentralized processing.
It if CNT is not dispersed, will appear condensation phenomenon, lead to unbalanced conductive characteristic.Therefore, in order to improve
The resistance of same amount material needs CNT carrying out decentralized processing.
It can choose MWCNT or SWCNT in CNT, select MWCNT to have more reasonability, but need not be confined to this.
The diameter of above-mentioned CNT is within 30nm, and the size of MWCNT is in 10-30nm, and the size of SWCNT is in 5-10nm, greatly
It is small on the basis of 1 times of diameter, aspect ratio is in 1:1000 or less.But it need not be confined to this.
And it is possible to select one or more of following substance to replace CNT or be mixed with use: graphite powder, it is rich
Strangle alkene, graphene, carbon micro-coil (Carbon Microcoil) etc..
S120: the CNT and high molecular material mix stages of processing are dispersed.
In order to make the CNT for being dispersed processing and high molecular material mixing, need to prepare rubber.
High molecular material can be divided into rubber, plastics and fiber, and the present invention uses rubber and plastics.
Above-mentioned high molecular material is by silicon rubber, PBR, PP, PE, NDBR, SSBR, acrylic rubber, fluorine-containing rubber, poly- ammonia
Ester, in PA etc. any one it is above synthesize, relatively reasonable selection is silicon rubber, PBR, NDBR, PP, PE, but be need not be confined to
This.
The fusing point of PP is 174 DEG C, and glass transition temperature is 17 DEG C, will not be melted at 160 DEG C or less.
The fusing point of PE is 137 DEG C, and glass transition temperature is 30 DEG C, has soft springy characteristic similar with rubber.
The fusing point of PA is 215 DEG C, and glass transition temperature is 40 DEG C, has the advantages that impact resistance, resistant to high temperature.
It is first put into high molecular material in mixer, places into the CNT for being dispersed and handling and is mixed.
The CNT for being dispersed processing accounts for about the 1-12% of high molecular material weight, and more reasonable situation is 3-12%, but need not
It is confined to this.
After high molecular material is added in a mixer, the CNT through separating treatment of its weight 1-3%, the process are added
It needs to repeat 1-12 times until mixing is complete.The number is changed according to the difference of required resistance.
According to the difference of high molecular material, the content of CNT is also required to accordingly change, and CNT, which is excessively added, will lead to mixture
Resistance be lower.
The above-mentioned mixer used is Kneader, one of sinters clutch such as Screw.But it need not be confined to this.
Fig. 4 is to make to be dispersed the CNT of processing and the mixer of high molecular material mixing.
In order to make the CNT for being dispersed processing and high molecular material perfection mixing, need to carry out under 30-60 degrees Celsius, together
When driving rotator need to be run 30-60 minutes according to the content of high molecular material and CNT with the revolving speed of 30-60rpm.But no
It must be confined to this.
After being dispersed CNT and the macromolecule mixing completely of processing, it is formed CNT compound material.
S130: synthetic rolling sequence.
Fig. 5 is the roll mill that CNT compound material is made to planar form.
In step S120 in embodiment 1, mixed CNT compound material is rolled into planar form, according to target
Object changes its thickness and size.
Also, pass through manufacture metal die, it is possible to produce the heater of three-dimensional configuration.
S140: the electrode stage is inserted between face and face.
Fig. 6 is the demonstration graph of electrode arrangement between the face and face of heater on face.
Because printing workable surface on existing heater and adding electrode, or using between face and face
In addition the manufacturing method of electrode can not preferably generate heat, heater of the invention uses interleaving in face and face as shown in FIG. 6
Enter the method for electrode.
Tin plating, silver-plated or nickel plating copper electrode can be used in above-mentioned electrode, although ideally using tin plating copper electrode,
But it need not be confined to this.
Also, in the present invention, when using electrode between face and face, very thin metal wire that can be boundling 10 or more, although
Ideally boundling 10~50, more preferably situation is that boundling 15~30, but need not be confined to this.
Also, ductility and corrosion resistance can be improved using corrosion-resistant gold-plated electrode, use the very thin gold by 10 or more
Belong to line boundling at electrode wires can reduce the breakage and fracture of electrode wires.
S150: hot binding, hardening cooling stage.
Hot binding, hardening cooling are carried out to the two sides of the heater of insertion electrode and fixed.
Fig. 7 is that the two sides of heater on opposite carries out the machine of hot binding.
Above-mentioned hot binding according to high molecular type or the content of CNT can continue 20 between 110~250 DEG C~
50 minutes, but need not be confined to this.
According to production method progress hot binding is stated on, heater on CNT composite material charge level is made.
Also, CNT compound material heater does not use adhesive, environmentally protective, can permanently use.
Fig. 8 is the heater that silicon and the CNT Jing Guo decentralized processing are mixed.
As shown in figure 8, the number of electrodes of heater can be 2 or 4 on CNT composite material charge level.
Heater can be applied to heating cushion on the CNT composite material charge level being made according to the method described above, transfer is suffered from
The heating pad of person, the heater for preventing frost crack pipe, the heater for cultivating seedling, runway or road drying and anti-caking
Ice heater, the staylace of built-in heating body, the blanket of built-in heating body, heating shoes, outdoor activities Portable heating
Body, the removable multiple uses such as heating seat cushion or Heating gloves.
Fig. 9 is that CNT compound material heater is placed in the diagram in cushion.
Embodiment 2
Heater is made using CNT compound material.
Depending on the application, the manufactured CNT using the production method according to step S110 and step S120 in embodiment 1
Compound material can make the heater of multiple use.
According to quantity and condition, can be formed without rolling by production metal die, hot pressing (hotpress).
After sizing, is made according to the production method of step S140 and step S150 in embodiment 1, complete three-dimensional configuration
Heater.
According to different designs, epidermis is sticked for heater.
The three-dimensional configuration CNT compound material heater that will be made according to the method described above, be flexibly applied to heating cushion,
The heating pad for transferring patient, the heater for preventing frost crack pipe, the heater for cultivating seedling, runway or road are dry
And it is anti-freeze with heater, the staylace of built-in heating body, the blanket of built-in heating body, heating shoes, outdoor activities pocket
Heater, the removable multiple uses such as heating seat cushion or Heating gloves.
Experimental example 1
Macromolecule is mixed with CNT according to different proportion, comparison resistance.
1) experimental method and result.
Macromolecule is mixed with CNT according to different proportion, the experiment of resistance is compared.
In experimental group, if having used CNT compound material heater made of the production method according to<embodiment 1>,
Then macromolecule uses NDBR, TPU (Thermoplastic Poly Urethane) and silicon (silicon).
If also, using CNT Jing Guo decentralized processing, according to high molecular type by the weight content of CNT according to 1%,
2.5%, it 3%, 4%, 6%, 7%, 8%, 10%, 12% and 15% adjusts and is compared.
Following table 1 uses NDBR in macromolecule, obtains resistance value corresponding with CNT content.
Table 1:
Following table 2 uses TPU in macromolecule, obtains resistance value corresponding with CNT content.
Table 2:
Following table 3 uses silicon in macromolecule, obtains resistance value corresponding with CNT content.
Table 3:
Figure 10 be and the corresponding resistance comparison chart of different CNT contents in NDBR, TPU, silicon.
According to Figure 10 and table 1 and table 3, NDBR, TPU and silicon this 3 kinds of rubber heat-barrier materials are mixed with CNT by different proportion
In resistance value measurement result afterwards, the mixing material resistance value of silicon and CNT are minimum.Silicon is used to generate heat, is heat-insulated, shielding electromagnetism
Optimum performance can be played when the purposes such as wave.
It follows that in all experiments of the invention, by silicon and it is dispersed when the CNT of processing is used in mixed way effect most
It is good.
It, can be selected according to the variation of voltage also, after mixing rubber with the dispersion CNT of weight content 3~12%
Multiple use heater in the optimal heater of production effect.
Experimental example 2
The far infrared of silicon heater containing CNT emits status.
1) experimental method and result.
If using the CNT compound material heater according to the method production in embodiment 2, high score in experimental group
Son selects silicon.
If its heavy content is 3% in heater also, using CNT Jing Guo decentralized processing.
Figure 11 is the emitting far-infrared result of the made silicon heater containing CNT of South Korea's far infrared association.
According to the womb measurement result for having used the silicon heater containing CNT in Figure 11, before use compared with, far
Infrared ray is uniform and wavelength is longer.
Experimental example 3
The anion of silicon heater containing CNT measures.
Experimental method and result:
Determine the anion of the silicon heater containing CNT.
If using the CNT compound material heater of the method production in basis < embodiment 1, high score in experimental group
Son selects silicon.
If its heavy content is 3% in heater also, using the CNT Jing Guo decentralized processing.
Using charge particle measurement device, anion is in the air that temperature is 37 DEG C indoors, humidity is 48%
Under conditions of 102ions/cc, measure.
Figure 12 is the anion measurement result of the made silicon heater containing CNT of South Korea's far infrared association.
As shown in Figure 12, the anion of the silicon heater containing CNT is 106ions/cc, is higher by about 4% than standard value.
Experimental example 4
Compared with resistance corresponding with carbon materials type and content different in PC or PP.
Experimental method and result:
Compare resistance value corresponding from different carbon materials type and content.
If making according to the method in embodiment 1, using PC or PP in macromolecule, carbon materials use carbon black, spy
Different carbon black, CNT and the CNT Jing Guo decentralized processing.
Compared with Figure 13 is resistance corresponding with carbon materials type and content different in PC or PP.
When as shown in Figure 13, according to the standard operation of 1.0E+01 Ω cm, it is dispersed the CNT (weight content 3%) of processing
Content it is minimum, followed by common CNT (weight content 8%).Also, highest content is carbon black (weight content 25%).Thus may be used
Know, to make resistance value consistent, carbon materials are different, and additive amount is also different；It should be noted that carbon materials are carbon black
When, need many additive amounts, it means that cost can also improve.
Also, with the rising of carbon materials content, the decline of other materials content, compared with the property of rubber itself,
Its durability can be remarkably decreased.
Experimental example 5
The electromagnetic wave measuring of silicon heater containing CNT.
Experimental method and result:
Measure the electromagnetic wave of the silicon heater containing CNT.
If using the CNT compound material heater according to the method production in experimental example 1, high score in experimental group
Son uses silicon.
If its heavy content is 6% in heater also, using the CNT that have passed through decentralized processing.
Measurement is in the electromagnetic wave generated away from 20 centimeters of room conditioning host.
Figure 14 is that the silicon heater for containing CNT is applied to the electromagnetic wave result measured after room conditioning host.
As shown in Figure 14, in the silicon heater shielded room containing CNT before air-conditioner host, electromagnetic wave 650V/m,
After blocking, electromagnetic wave 20V/m, hence it is evident that be lower.
Experimental example 6
Under different applied voltages, heating temperature changes with time measurement.
Experimental method and result:
Under different applied voltages, heating temperature changes with time heater on face in the measurement present invention.
If using the CNT compound material heater according to the method production in experimental example 1, high score in experimental group
Son uses silicon.
If its heavy content is 6% in heater also, using the CNT that have passed through decentralized processing.
Temperature when measuring above-mentioned heater under the applied voltage of 5V, 7.5V, 10V and 10.7V.
Figure 16 is the temperature change result of the silicon heater containing CNT under different applied voltages.
Figure 17 is the temperature change result that the silicon heater comprising CNT is generated with voltage and time.
By Figure 16 and Figure 17 it is found that when applied voltage is 10.7V, generate heat temperature highest (for 129 DEG C)；Applied voltage
When for 10V, heater temperature control two is high (for 109 DEG C)；When applied voltage is 7.5V, heater temperature control three is high (for 74 DEG C)；
When applied voltage is 5V, fever temperature is minimum (for 46 DEG C).It follows that the temperature of heater with the raising of voltage and
It increases.
Also, the heater in the confirmation present invention can be warming up to 40 DEG C or more within 60 seconds.
It is further known that mobile power source voltage is 5V, fever temperature is 46 DEG C, can be used as heater and maintains human body suitable
Suitable temperature.Even if without temperature controller, once reaching preference temperature, heater temperature will not rise again, so can be safe
It uses.
Then, it may be determined that in other temperature sections, there is also the perseverances for still maintaining former temperature after a while
Warm coefficient.
So according to different purposes, it can be by this heater security application in heating jacket, warmer, cooking machine
Deng.
Experimental example 7
The temperature measuring of heater punching front and back.
Experimental method and result:
The temperature of heater punching front and back in the measurement present invention.
If using the CNT compound material heater according to the method production in embodiment 1, high score in experimental group
Son uses silicon, and the heater of punching is used in comparative group.
If its heavy content is 6% in heater also, using the CNT that have passed through decentralized processing.
It is 10V in voltage, under the output condition of electric current 3A, 30W, measures above-mentioned fever temperature.
Figure 18 is temperature change of the silicon heater before and after punching containing CNT.
Figure 19 is the current-mode figure of heater after drilling.
According to Figure 18 and Figure 19, heater is 91.7 DEG C on the face before punching, and heater is 88.4 on the face after punching
DEG C, it can thus be appreciated that even if punching, the temperature of heater also do not change substantially.That is, even if punching or generating other
Damage avoids damage location due to electronics and forms electric current, again without problem in heater performance.It can thus be concluded that going out the present invention
The conclusion that can be processed of heater.
Experimental example 8
The temperature measuring of CNT paste screen painting.
Experimental method and result:
Figure 20 is the diagram that CNT paste is made to heater with screen printing technology.
Different resistance value and time are given after making heater with screen painting skill and technique using CNT paste, is measured
Corresponding temperature change.
Above-mentioned resistance value is given as 8.7 Ω, 11.3 Ω, 17.2 Ω, 35 Ω, 37.1 Ω, 52 Ω and 11 Ω respectively.
Figure 21 is the CNT paste screen painting heater temperature change of generation at any time.
As shown in Figure 21, resistance value rises, and temperature also rises with it, when resistance is 11.3 Ω and 8.7 Ω, in time zone
Duan Shang, temperature show unstability.That is, the heater manufactured with screen printing showed in time section it is unstable
Property.
Experimental example 9
Heating temperature limit value measurement corresponding with CNT-Plastic compound material heat resistance.
Experimental method and result:
If using the CNT-Plastic compound material heater according to the method production in embodiment 1, matrix tree
It is 120 DEG C of PP that rouge, which should use heat resistance,.
Figure 22 is the heater made with CNT-Plastic compound material.
Figure 23 is the diagram that CNT-Plastic compound material heater is changed over time plus the temperature after voltage.
Figure 24 is the diagram that CNT-Plastic compound material heater is changed over time plus the temperature after voltage.
As shown in Figure 23, the CNT-Plastic compound material heater of long 190mm, wide 80mm, high 5mm, in direct current
Under conditions of voltage 11V, 110W, temperature can rise to 110 DEG C.
As shown in Figure 24, the CNT-Plastic compound material heater of long 100mm, wide 100mm, high 3mm, in direct current
Under conditions of voltage 5V, 8.7W, temperature can rise to 70 DEG C.
But temperature is no more than the heat resistance limit value of matrix resin PP in CNT compound material, namely no more than
120℃。
Experimental example 10
CNT-Film compound material temperature measuring.
Experimental method and result:
If using CNT compound material and film form is made into according to the method in embodiment 1, according to length
The big little makings of 100mm, wide 100mm, high 0.3mm are 48V in DC voltage, measure it under conditions of 17.3W and push away at any time
The temperature change moved and generated.
Figure 25 is CNT-Film compound material.
Figure 26 and Figure 27 is the temperature change diagram of CNT-Film compound material.
By Figure 26 and Figure 27 it is found that film or so temperature is similar (being 74.7 DEG C).
Experimental example 11
Temperature measuring after CNT compound material heater partial destruction.
Experimental method and result
If being beaten using the CNT compound material heater according to the method production in embodiment 1 by physics strength
Pothole is dug out in hole, then carries out temperature measuring.
Figure 28 is temperature change of the CNT compound material heater under the effect of physics strength after parts against wear.
As shown in Figure 28, the temperature of heater is 200.6 DEG C, and the temperature around hole is 159.5 DEG C, 168.1 DEG C.Pothole
Partial temperature is 166.6 DEG C, not will form hot spot.
Industry utilizes possibility
The present invention is related to CNT compound material heater and preparation method thereof, passes through what is mixed in CNT and macromolecule
It is inserted into electrode between composite material, so that heater service life extends, safety increases, has industry and utilizes possibility.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other phases
The technical field of pass, is included within the scope of the present invention.
Claims (7)
1.CNT compound material heater, it is characterised in that: the CNT compound material heater includes silicon rubber, PBR
(Polybutadiene Rubber)、PP(Polypropylene)、PE(Polyethylene)、NDBR(Neodymium
Butadiene Rubber), it is SSBR (Solution Styrene ButadieneRubber), acrylic rubber, fluorubber, poly-
More than any one in urethane, the weight content for being dispersed the carbon nanotube (CNT) of processing is 1% to 12%.
2. the preparation method of CNT compound material heater according to claim 1, includes the following steps:
S110: decentralized processing stage early period of carbon nanotube (CNT)；
S120: carbon nanotube (CNT) and high molecular mix stages by decentralized processing；
S130: the rolling sequence of synthetic；
S140: the stage of electrode is inserted between face and face；
S150: sinter merges the hardening cooling stage.
3. the preparation method of CNT compound material heater according to claim 2, it is characterised in that: the step
In S110, CNT uses multi-walled carbon nanotube (MWCNT, Multiple WallCarbonNanotube) or single-walled carbon nanotube
(SWCNT,Single Wall CarbonNanotube)。
4. the preparation method of CNT compound material heater according to claim 2, it is characterised in that: the step
In S120, macromolecule uses any one in PBR, PP, PE, NDBR, SSBR, acrylic rubber, fluorubber, polyurethane, PA
More than.
5. the preparation method of CNT compound material heater according to claim 2, it is characterised in that: the step
In S120, the weight content for being dispersed the carbon nanotube (CNT) of processing is 1% to 12%.
6. the preparation method of CNT compound material heater according to claim 2, it is characterised in that: the step
In S150,20 minutes to 50 minutes hot bindings and hardening are carried out to the heater for being inserted with electrode between 110 DEG C to 250 DEG C
It is cooling and fixed.
7. the composite wood for the carbon nanotube that the preparation method of CNT compound material heater according to claim 2 produces
Expect that heater is applied as heater core (heater core).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643101A (en) * | 2019-10-31 | 2020-01-03 | 广东顺德伟德创通智能科技有限公司 | Conductive heating material for generating negative ions, preparation method and application thereof |
| CN114230893A (en) * | 2021-12-13 | 2022-03-25 | 游氏（厦门）卫浴工业有限公司 | Micro-current heating composite material and heating toilet seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572453A (en) * | 2012-08-12 | 2014-02-12 | 泰根索路科技股份有限公司 | Conductive silicone rubber heating element and manufacturing method thereof |
| CN106851873A (en) * | 2017-01-20 | 2017-06-13 | 韩荣泽 | A kind of electric heating material and preparation method thereof and electric heater |
| KR20170097340A (en) * | 2016-02-18 | 2017-08-28 | 금오공과대학교 산학협력단 | A planar heating film using carbon nanotube |
| KR20170141112A (en) * | 2017-04-18 | 2017-12-22 | (주)씨엔티솔루션 | Composite material heating element containing Carbon nanotube and the method thereof |
| CN107809811A (en) * | 2017-11-16 | 2018-03-16 | 崔仁植 | One kind is without metal heater element and heating pad |
-
2018
- 2018-03-26 CN CN201810249254.5A patent/CN110144068A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572453A (en) * | 2012-08-12 | 2014-02-12 | 泰根索路科技股份有限公司 | Conductive silicone rubber heating element and manufacturing method thereof |
| KR20170097340A (en) * | 2016-02-18 | 2017-08-28 | 금오공과대학교 산학협력단 | A planar heating film using carbon nanotube |
| CN106851873A (en) * | 2017-01-20 | 2017-06-13 | 韩荣泽 | A kind of electric heating material and preparation method thereof and electric heater |
| KR20170141112A (en) * | 2017-04-18 | 2017-12-22 | (주)씨엔티솔루션 | Composite material heating element containing Carbon nanotube and the method thereof |
| CN107809811A (en) * | 2017-11-16 | 2018-03-16 | 崔仁植 | One kind is without metal heater element and heating pad |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643101A (en) * | 2019-10-31 | 2020-01-03 | 广东顺德伟德创通智能科技有限公司 | Conductive heating material for generating negative ions, preparation method and application thereof |
| CN114230893A (en) * | 2021-12-13 | 2022-03-25 | 游氏（厦门）卫浴工业有限公司 | Micro-current heating composite material and heating toilet seat |
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