CN108117365A - The preparation method and conductive material of conductive material - Google Patents
The preparation method and conductive material of conductive material Download PDFInfo
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- CN108117365A CN108117365A CN201711441288.6A CN201711441288A CN108117365A CN 108117365 A CN108117365 A CN 108117365A CN 201711441288 A CN201711441288 A CN 201711441288A CN 108117365 A CN108117365 A CN 108117365A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/90—Electrical properties
- C04B2111/94—Electrically conducting materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of preparation method of conductive material, including：By water, agar powder, nano carbon black, KOH, Al2O3With Ca (OH)2Chemical solution is configured by the mass ratio of the starting components of default chemical solution；Clay haydite is added in the chemical solution and is stirred, conduction haydite is made；NaOH, waterglass and water are configured into alkali-activator by the mass ratio of the starting components of default alkali-activator；Flyash, slag, the alkali-activator and the conductive haydite are configured into slurry by the mass ratio of the starting components of conductive material；By the slurry blanks and moulding and conserving, the conductive material is obtained.The present invention improves the electric conductivity, anti-permeability performance and corrosion resistance of material, energy conservation and environmental protection.
Description
Technical field
The present invention relates to the technical field of conductive material more particularly to the preparation methods and conduction material of a kind of conductive material
Material.
Background technology
Conducting concrete is a kind of special concrete with certain electrical property and mechanical property.Because it possess electric conductivity and
Agility etc. so that it not only serves as a kind of floor decoration materials'use, and electromagnetic interference shield, industrial electrostatic prevention,
Anti-corrosion of metal cathode protection technology, building ground heating and deicing snow melt etc. play a significant role.Conventional conductive concrete
Using Portland cement as major gelled material, with sand, stone, water and conductive material (such as graphite, carbon fiber) by certain ratio
Example mixes.Its chemical composition of Portland cement includes tricalcium silicate, dicalcium silicate, tricalcium aluminate and tetra calcium aluminoferrite
A solid-liquid-gas three-phase porous system, wherein liquid phase water and electrolyte ion soluble in water are formed with water reaction after-hardening
Make Behavior of Hardened Cement Paste that there is certain electric conductivity.
Conducting concrete requirement should have good electric conductivity while the performance indicators such as intensity, resistivity are met.
For conducting concrete because its manufacture craft is simple, material easily obtains, the advantages that low cost, constantly substitutes conventional conducting materials should
In Practical Project.However the present inventor by the study found that based on cement for cementitious material conducting concrete exist with
Lower shortcoming：(1) with the progress of hydrated reaction of cement, the Free water in system can progressively be converted into chemical bonding water, Free water
Reduction can greatly reduce the electric conductivity of system, according to the literature, the electric conductivity of portland cement concrete depends primarily upon
The electric conductivity of hardened cement paste and shared volume fraction, and under ambient temperature and moisture state, the resistivity of cement concrete reaches
To 6.7*106 Ω m.To improve its electric conductivity, using the cement concrete of the larger ratio of mud, its early mechanics characteristics can be very big
It reduces, practice of construction requirement can not be met；(2) aggregate in concrete is generally non-conductor.Wherein, as the thick bone of concrete
The stone of material, iron content is few, is under normal circumstances insulator, just conductive only under superhigh temperature.It is sent out by test
Existing, quartz sand is a kind of metastable insulating material of performance.And aggregate accounts for the overwhelming majority of volume of concrete, this makes to mix
Solidifying soil electric conductivity is greatly lowered；(3) manufacture of cement preparation process is complicated, and need to use the substantial amounts of energy and resource, gives birth to
Production and use cause environment serious pollution and destruction.
The content of the invention
The embodiment of the present invention provides a kind of preparation method and conductive material of conductive material, improves the electric conductivity of material
Energy, anti-permeability performance and corrosion resistance, energy conservation and environmental protection.
To achieve the above object, the embodiment of the present invention provides a kind of preparation method of conductive material, including：
By water, agar powder, nano carbon black, KOH, Al2O3With Ca (OH)2By the starting components of default chemical solution
Mass ratio configures chemical solution；
Clay haydite is added in the chemical solution and is stirred, conduction haydite is made；
NaOH, waterglass and water are configured into alkali-activator by the mass ratio of the starting components of default alkali-activator；
By flyash, slag, the alkali-activator and the conductive haydite by the quality of the starting components of conductive material
Than configuring slurry；
By the slurry blanks and moulding and conserving, the conductive material is obtained.
Further, the mass ratio of the default chemical solution starting components is：Water：Agar powder：Nano carbon black：
KOH：Al2O3:Ca(OH)2=100:(3~6):(4~6):(1~2):(3.5~5):(7.5~9).
Further, the mass ratio of the starting components of the alkali-activator is：NaOH：Waterglass：Water=1:10.72：
(14.21~16.82), wherein, the modulus scope of the waterglass is 0.8~2.0, the Na in the waterglass2O content scope
For 3%~6%；
Further, the mass ratio of the starting components of the conductive material is：Flyash：Slag：Alkali-activator：It is conductive
Haydite=1：(0.11~0.25)：(0.55~0.62)：(0.53~1.26).
Further, the former material that flyash, slag, the alkali-activator and the conductive haydite are pressed to conductive material
The mass ratio configuration slurry of material component specifically includes：
Flyash, slag, the alkali-activator and the conduction are weighed by the mass ratio of the starting components of conductive material
Haydite；
The flyash and the slag are stirred, obtain the first stirring body；
It is stirred after adding in the alkali-activator in first stirring body, obtains the second stirring body；
It is stirred after the conductive haydite is added in second stirring body, obtains the slurry.
Further, the mixing time of first stirring body and the alkali-activator be 30s, second stirring body and
The mixing time of the conduction haydite is 120s.
Further, the water in the raw material of the alkali-activator and grey body mass ratio are 0.35~0.45, wherein, it is described
Grey body includes the flyash and the slag.
Further, described by the slurry blanks and moulding and conserving, obtaining the conductive material includes：
The slurry is injected into mould molding, form removal after slurry maintenance preset time described in the mold in injection is made
The conductive material；Wherein, the environment temperature of the slurry maintenance is 20 DEG C ± 2 DEG C, and humidity is more than 95%；
It is further included during the injection mould molding by the slurry：Using electrode network to the slurry in injection mold
Body vibrates, to eliminate the bubble in the slurry；
Further, the flyash is II grades of flyash, wherein, the SiO in the flyash2、Al2O3And Fe2O3's
The sum of content is more than 50%, the SO in the flyash3Content no more than 3%, the content of the CaO in the flyash is little
In 4%, the fineness of the flyash is no more than 25%, and the fineness is tailed over 45 μm of square hole screens and represented, the need of the flyash
Water is not more than 105%, and the burning quantity of the flyash is not more than 8%；
The slag is S95 grades of slags, wherein, CaO, SiO in the slag2、Al2O3It is more than with the sum of the content of MgO
95%, the SO of the slag3Content is not more than 4%, and the chloride ion content of the slag is not more than 0.02%, the slag
Vitreum content is not less than 85%, and no more than 1.0%, the specific surface area of the slag is not less than the water content of the slag
350m2/ Kg, 7 days of the slag and the requirement of 28 days activity index technologies are not less than 75% and 95% respectively.
The grain size of the clay haydite is 2-5mm, and the apparent density of the clay haydite is not more than 1.20g/cm3, it is described
The water absorption rate more than 6.5% of clay haydite.
Correspondingly, the embodiment of the present invention also provides a kind of conductive material, provided by the invention described above any embodiment
Conductive material preparation method prepare gained.
Description of the drawings
Fig. 1 is a kind of step schematic diagram of the preparation method of conductive material provided in an embodiment of the present invention；
Fig. 2 is a kind of process flow chart of the preparation method of conductive material provided in an embodiment of the present invention；
Fig. 3 is the chemical structural drawing of alkali-activated carbonatite aluminosilicate gels；
Fig. 4 is alkali-activated carbonatite conduction cementitious material of the Examples 1 and 2 based on flyash/slag and conventional cement cementitious material
Resistivity and curing age relational graph.
Fig. 5 is that embodiment 3 and embodiment 4 prepare mortar and light bone with the alkali-activated carbonatite conductive material based on flyash/slag
Expect concrete resistivity and curing age relational graph.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
It is a kind of step schematic diagram of the preparation method of conductive material provided in an embodiment of the present invention referring to Fig. 1；Including：
S1, Jiang Shui, agar powder, nano carbon black, KOH, Al2O3With Ca (OH)2By the starting components of default chemical solution
Mass ratio configuration chemical solution；
S2, clay haydite is added in the chemical solution and is stirred, conduction haydite is made；Wherein, the clay
Haydite is the clay haydite after drying；
S3, NaOH, waterglass and water are configured into alkali-activator by the mass ratio of the starting components of default alkali-activator；
S4, by flyash, slag, the alkali-activator and the conductive haydite by the matter of the starting components of conductive material
Amount is than configuration slurry；
S5, by the slurry blanks and moulding and conserving, obtain the conductive material.
Further, the mass ratio of the default chemical solution starting components is：Water：Agar powder：Nano carbon black：
KOH：Al2O3:Ca(OH)2=100:(3~6):(4~6):(1~2):(3.5~5):(7.5~9).
Further, the mass ratio of the starting components of the alkali-activator is：NaOH：Waterglass：Water=1:10.72：
(14.21~16.82), wherein, the modulus scope of the waterglass is 0.8~2.0, the Na in the waterglass2O content scope
For 3%~6%；
Further, the mass ratio of the starting components of the conductive material is：Flyash：Slag：Alkali-activator：It is conductive
Haydite=1：(0.11~0.25)：(0.55~0.62)：(0.53~1.26).
Further, flyash, slag, the alkali-activator and the conductive haydite are pressed into conduction material described in step S4
The mass ratio configuration slurry of the starting components of material specifically includes：
S41, flyash, slag, the alkali-activator and described are weighed by the mass ratio of the starting components of conductive material
Conductive haydite；
S42, the flyash and the slag are stirred, obtain the first stirring body；
S43, it is stirred after adding in the alkali-activator in first stirring body, obtains the second stirring body；Specifically,
First stirring body and alkali-activator can be put into mixer and are stirred；
S44, it is stirred after the conductive haydite is added in second stirring body, obtains the slurry.
Preferably, the mixing time of the first stirring body and the alkali-activator described in step S43 is 30s, in step S44
The mixing time of second stirring body and the conductive haydite is 120s.
Further, the water in the raw material of the alkali-activator and grey body mass ratio are 0.35~0.45, wherein, it is described
Grey body includes the flyash and the slag.
Further, the slurry blanks and moulding and conserving is obtained the conductive material and specifically included described in step S5：
The slurry is injected into mould molding, form removal after slurry maintenance preset time described in the mold in injection is made
The conductive material；Wherein, the environment temperature of the slurry maintenance is 20 DEG C ± 2 DEG C, and humidity is more than 95%；Described by institute
It is further included during stating slurry injection mould molding：It is vibrated using electrode network (titanium net) to the slurry in injection mold,
To eliminate the bubble in the slurry.
For example, the slurry is injected in mold, when injection slurry reaches the 1/2 of mold capacity, electrode is added in
Net (titanium net) vibrates and eliminates bubble, is further continued for injection slurry and vibrates shaping, form removal after maintenance 1 day, obtained conductive material.
The volume of the mold can determine corresponding size, such as 40*40*160mm as needed.
Further, the flyash is II grades of flyash, wherein, the SiO in the flyash2、Al2O3And Fe2O3's
The sum of content is more than 50%, the SO in the flyash3Content no more than 3%, the content of the CaO in the flyash is little
In 4%, the fineness of the flyash is no more than 25%, and the fineness is tailed over 45 μm of square hole screens and represented, the need of the flyash
Water is not more than 105%, and the burning quantity of the flyash is not more than 8%；
The slag is S95 grades of slags, wherein, CaO, SiO in the slag2、Al2O3It is more than with the sum of the content of MgO
95%, the SO of the slag3Content is not more than 4%, and the chloride ion content of the slag is not more than 0.02%, the slag
Vitreum content is not less than 85%, and no more than 1.0%, the specific surface area of the slag is not less than the water content of the slag
350m2/ Kg, 7 days of the slag and the requirement of 28 days activity index technologies are not less than 75% and 95% respectively.
The grain size of the clay haydite is 2-5mm, and the apparent density of the clay haydite is not more than 1.20g/cm3, it is described
The water absorption rate more than 6.5% of clay haydite；The clay haydite is directly using the clay haydite sold on the market.
After step S5 obtains conductive material, the conductive material is after standard curing certain age, using 4 points of surveys
Examination method, applies 3V DC power supplies and measures test block electric current and voltage, and resistance is calculated using ohm law, then resistivity change is calculated
Change tendency chart.The present embodiment prepares the resistance that the products of conductive materials of gained measured in standard curing after 28 days based on the above process
Rate is 13.31 Ω m.
The mechanism of the embodiment of the present invention is：With drated calcium aluminate, entringite and the C- of the generation of Portland cement aquation
S-H gels are different, and the reaction product of the alkali-activated carbonatite conductive material based on Class F fly ash is mainly in strong alkali environment by raw material
It is lower dissolving generate aluminum-oxygen tetrahedron [AlO4] and oxygen-octahedron [SiO4] structural unit generated by polymerisation one
Kind aluminosilicate gels (N-A-S-H).The chemical constitution of alkali-activated carbonatite aluminosilicate gels shown in Figure 3, according to Si/Al ratio
Value is different (its ratio can be 1,2,3 in basic Component units), and the basic polymerized form of-Si-O-Al- chains can be divided into PS types,
PSS types and PSDS types, as shown in Fig. 3 (a)；Utilize-Si-O-Al- the chains of the different Si/Al ratio value of modern computer analysis mode
Elementary cell, which is connected to each other, forms the aluminosilicate gels body chemical constitution of mostly network skeleton structure, as shown in Fig. 3 (b).
In alkali-activated carbonatite Class F fly ash system, water master plays instrumentality, and only a small amount of water can be chemically bonded to reaction production
In object, and most water is all in free state, and there are substantial amounts of alkali metal ion, electro-chemical activities in alkali-activated carbonatite system
Height, therefore the electric conductivity of alkali-activated material is greatly improved, compared to ordinary cement material, alkali-activated material electric conductivity is more
It is good.And flyash and slag make gel become finer and close, generate N-A-S-H gels and needle-shaped C-S-H respectively by polycondensation reaction
Gel, drated calcium aluminate gel promote slurry condensation hardening, greatly increase its intensity.It is dense according to the ion of alkali-activated material
Degree configures the chemical solution with the complementation of its ion concentration, prepares conductive haydite, substitutes general aggregate, improves alkali-activated carbonatite coagulation
Native overall conductivity.
The technology effect possessed for the preparation method for preferably proving a kind of conductive material that the embodiment of the present invention provided
Fruit, the embodiment of the present invention also carry out description of test by the experimental data of following 1~embodiments of embodiment 4：
Embodiment 1
A kind of preparation of the alkali-activated carbonatite conduction cementitious material based on flyash/slag：
(1) sodium hydroxide 14.15g, waterglass 151.72g and water 201.13g are claimed respectively in mass ratio, wherein waterglass
Modulus is 1.5, sodium oxide content 4%, the ratio of mud 0.4.
(2) flyash 663.18g, slag 73.69g and alkali-activator 367.00g are weighed respectively in mass ratio.
(3) flyash and slag are stirred evenly and pours into net slurry mixer, added in alkali-activator stirring and prepare slurry；It will stir
The die for molding of uniform slurry injection 40*40*160mm is mixed, when injection slurry reaches mould volume 1/2, adds in electrode
Net (titanium net) vibrates and eliminates bubble, reinjects slurry and vibrates shaping, and form removal after maintenance 1 day, standard curing certain age tests
Its resistivity.
Test result：28 days resistivity is 4.36 Ω m.
Its main mechanical properties such as following table：
| Mechanical property | 7 days | 30 days |
| Flexural strength (MPa) | 6.10 | 8.29 |
| Compression strength (MPa) | 23.22 | 28.09 |
Embodiment 2
A kind of preparation of the alkali-activated carbonatite conduction cementitious material based on flyash/slag：
(1) sodium hydroxide 14.15g, waterglass 151.72g and water 201.13g are claimed respectively in mass ratio, wherein waterglass
Modulus is 1.5, sodium oxide content 4%, the ratio of mud 0.4.
(2) flyash 589.49g, slag 147.37g and alkali-activator 367.00g are weighed respectively in mass ratio.
(3) flyash and slag are stirred evenly and pours into net slurry mixer, added in alkali-activator stirring and prepare slurry；It will stir
The die for molding of uniform slurry injection 40*40*160mm is mixed, when injection slurry reaches mould volume 1/2, adds in electrode
Net (titanium net) vibrates and eliminates bubble, reinjects slurry and vibrates shaping, and form removal after maintenance 1 day, standard curing certain age tests
Its resistivity and intensity.
Test result：28 days resistivity is 9.93 Ω m.
Its main mechanical properties such as following table：
| Mechanical property | 7 days | 30 days |
| Flexural strength (MPa) | 8.54 | 10.27 |
| Compression strength (MPa) | 37.96 | 42.50 |
Embodiment 3
Middle sand is mixed in the alkali-activated carbonatite conduction cementitious material based on flyash/slag, prepares electric conduction mortar：
(1) modulus of sodium hydroxide 7.07g, waterglass 75.86g and water 100.57g, wherein waterglass are distinguished in mass ratio
For 1.5, sodium oxide content 4%, the ratio of mud 0.4.
(2) flyash 294.75g, slag 73.69g, alkali-activator 183.51g and middle sand are weighed respectively in mass ratio
746.24g。
(3) flyash and slag are stirred evenly and pours into mortar mixer, add in alkali-activator stirring at low speed 30s, then it is low
Fast stirring 30s is uniformly added into sand simultaneously, then quickly stirs 30s, stops quickly stirring 60s again after mixing 90s；The sand that will be stirred evenly
The die for molding of slurry injection 40*40*160mm when injection mortar reaches mould volume 1/2, adds in electrode network (titanium net),
Vibrate and eliminate bubble, reinject mortar and vibrate shaping, form removal after maintenance 1 day, standard curing certain age test its resistivity with
Intensity.
Test result：28 days resistivity is 30.84 Ω m.
Embodiment 4
By in a kind of conductive alkali-activated carbonatite conduction cementitious material of the haydite incorporation based on flyash/slag of preparation, preparation is led
Electric concrete：
(1) modulus of sodium hydroxide 7.07g, waterglass 75.86g and water 100.57g, wherein waterglass are distinguished in mass ratio
For 1.5, sodium oxide content 4%, the ratio of mud 0.4.
(2) flyash 294.75g, slag 73.69g, alkali-activator 183.51g and conductive pottery are weighed respectively in mass ratio
Grain 273.15g.
(3) flyash and slag are stirred evenly and pours into mortar mixer, add in alkali-activator stirring at low speed 30s, then it is low
Fast stirring 30s is uniformly added into sand simultaneously, then quickly stirs 30s, stops quickly stirring 60s again after mixing 90s；The slurry that will be stirred evenly
Body injects the die for molding of 40*40*160mm, when injection slurry reaches mould volume 1/2, adds in electrode network (titanium net),
Vibrate and eliminate bubble, reinject slurry and vibrate shaping, form removal after maintenance 1 day, standard curing certain age test its resistivity with
Intensity.
Test result：28 days resistivity is 13.31 Ω m.
The interpretation of above-described embodiment 1~4 is as follows, wherein, form 1 is that raw material are matched somebody with somebody in Examples 1 to 4
Than comparing form, form 2 compares form for the electric conductivity and mechanical property of the conductive material of Examples 1 to 4
Form 1
Form 2
In addition, referring to Fig. 4 and Fig. 5, Fig. 4 is alkali-activated carbonatite conduction cementitious material of the Examples 1 and 2 based on flyash/slag
With conventional cement cementitious material resistivity and curing age relational graph；Fig. 5 is the conduction that embodiment 3 and embodiment 4 are prepared
Material preparation mortar and lightweight aggregate concrete resistivity and curing age relational graph.
1~4 experimental data understands that the embodiment of the present invention has the following advantages that in conjunction with the embodiments：
(1) the alkali-activated carbonatite conductive material resistivity ratio conventional cement based on flyash/slag prepared by the embodiment of the present invention
The resistivity of conducting concrete is low, and with preferable mechanical property.General aggregate is replaced by using conductive haydite, is not only reduced
Production cost, and considerably reduce the density of concrete, it is made more easily to apply in Practical Project.
(2) flyash and slag that the embodiment of the present invention applies to are industrial solid castoff, using it as raw material system
The standby alkali-activated carbonatite conductive material based on flyash/slag solves the process problem of trade waste, energy-saving and environment friendly.
Correspondingly, the embodiment of the present invention also provides a kind of conductive material, provided by the invention described above any embodiment
Conductive material preparation method prepare gained.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of preparation method of conductive material, which is characterized in that including：
By water, agar powder, nano carbon black, KOH, Al2O3With Ca (OH)2By the quality of the starting components of default chemical solution
Than configuring chemical solution；
Clay haydite is added in the chemical solution and is stirred, conduction haydite is made；
NaOH, waterglass and water are configured into alkali-activator by the mass ratio of the starting components of default alkali-activator；
Flyash, slag, the alkali-activator and the conductive haydite are matched somebody with somebody by the mass ratio of the starting components of conductive material
Put slurry；
By the slurry blanks and moulding and conserving, the conductive material is obtained.
2. a kind of preparation method of conductive material as described in claim 1, which is characterized in that the default chemical solution is former
The mass ratio of material component is：Water：Agar powder：Nano carbon black：KOH：Al2O3:Ca(OH)2=100:(3~6):(4~6):(1
~2):(3.5~5):(7.5~9).
A kind of 3. preparation method of conductive material as described in claim 1, which is characterized in that the raw material of the alkali-activator
The mass ratio of component is：NaOH：Waterglass：Water=1:10.72：(14.21~16.82), wherein, the modulus model of the waterglass
It encloses for 0.8~2.0, the Na in the waterglass2O content scope is 3%~6%.
A kind of 4. preparation method of conductive material as described in claim 1, which is characterized in that the raw material of the conductive material
The mass ratio of component is：Flyash：Slag：Alkali-activator：Conductive haydite=1：(0.11~0.25)：(0.55~0.62)：
(0.53~1.26).
5. a kind of preparation method of conductive material as described in claim 1, which is characterized in that described by flyash, slag, institute
Alkali-activator and the conductive haydite is stated to specifically include by the mass ratio configuration slurry of the starting components of conductive material：
Flyash, slag, the alkali-activator and the conductive haydite are weighed by the mass ratio of the starting components of conductive material；
The flyash and the slag are stirred, obtain the first stirring body；
It is stirred after adding in the alkali-activator in first stirring body, obtains the second stirring body；
It is stirred after the conductive haydite is added in second stirring body, obtains the slurry.
A kind of 6. preparation method of conductive material as claimed in claim 5, which is characterized in that first stirring body and described
The mixing time of alkali-activator is 30s, and the mixing time of second stirring body and the conductive haydite is 120s.
A kind of 7. preparation method of conductive material as claimed in claim 5, which is characterized in that the raw material of the alkali-activator
In water and grey body mass ratio be 0.35~0.45, wherein, the grey body includes the flyash and the slag.
8. a kind of preparation method of conductive material as described in claim 1, which is characterized in that described be molded the slurry is supported
Shield, obtaining the conductive material includes：
The slurry is injected into mould molding, by form removal after slurry maintenance preset time described in the mold in injection, is made described
Conductive material；Wherein, the environment temperature of the slurry maintenance is 20 DEG C ± 2 DEG C, and humidity is more than 95%；
It is further included during the injection mould molding by the slurry：Using electrode network to injection mold in slurry into
Row vibrates, to eliminate the bubble in the slurry.
9. a kind of preparation method of conductive material as described in claim 1, which is characterized in that the flyash is II grades of fine coal
Ash, wherein, the SiO in the flyash2、Al2O3And Fe2O3The sum of content be more than 50%, the SO in the flyash3Contain
Amount is no more than 3%, and for the content of the CaO in the flyash no more than 4%, the fineness of the flyash is described no more than 25%
Fineness is tailed over 45 μm of square hole screens and represented, for the water requirement of the flyash no more than 105%, the burning quantity of the flyash is little
In 8%；
The slag is S95 grades of slags, wherein, CaO, SiO in the slag2、Al2O3It is more than with the sum of the content of MgO
95%, the SO of the slag3Content is not more than 4%, and the chloride ion content of the slag is no more than 0.02%, the glass of the slag
Glass body content is not less than 85%, and for the water content of the slag no more than 1.0%, the specific surface area of the slag is not less than 350m2/
Kg, 7 days of the slag and the requirement of 28 days activity index technologies are not less than 75% and 95% respectively.
The grain size of the clay haydite is 2-5mm, and the apparent density of the clay haydite is not more than 1.20g/cm3, the clay pottery
The water absorption rate more than 6.5% of grain.
10. a kind of conductive material, which is characterized in that pass through the preparation method of claim 1~9 any one of them conductive material
Prepare gained.
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| CN109728271A (en) * | 2018-12-19 | 2019-05-07 | 深圳市凌盛电子有限公司 | A kind of negative electrodes for lithium batteries for sweeper |
| CN112652782A (en) * | 2020-12-09 | 2021-04-13 | 广东至道先进土木工程材料技术研究有限公司 | Environment-friendly geopolymer battery and preparation method thereof |
| WO2021133353A3 (en) * | 2019-12-24 | 2021-09-23 | Afyon Kocatepe Universitesi Rektorlugu | A method for increasing the electrical characteristics of high iron-contained calcium aluminate cements by hydrating under the magnetic field without any additives |
| CN113998978A (en) * | 2021-10-21 | 2022-02-01 | 嘉华特种水泥股份有限公司 | Light conductive heating thermal insulation material and preparation method thereof |
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