CN107162515A - The enhanced composite cement mortar of radiation proof - Google Patents
The enhanced composite cement mortar of radiation proof Download PDFInfo
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- CN107162515A CN107162515A CN201710592953.5A CN201710592953A CN107162515A CN 107162515 A CN107162515 A CN 107162515A CN 201710592953 A CN201710592953 A CN 201710592953A CN 107162515 A CN107162515 A CN 107162515A
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- cement mortar
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- reinforcing fiber
- radiation proof
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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
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00258—Electromagnetic wave absorbing or shielding materials
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The application is related to a kind of enhanced composite cement mortar of radiation proof, and the cement mortar is made up of following component：100 150 parts of cement, 100 700 parts of river sand, 100 700 parts of water, 30 50 parts of graphene reinforcing fiber, 7 12 parts of water reducer, hollow glass micropearl/Fe3O430 40 parts of composite, 30 50 parts of tourmaline powder, 20 40 parts of graphite, 30 50 parts of quartz sand, 20 30 parts of kaolin, 5 15 parts of SBR emulsion, 5 20 parts of aluminum sulfate, 15 parts of carboxymethyl cellulose.
Description
Technical field
The application is related to building material field, more particularly to a kind of enhanced Compound Water silt particle of radiation proof of architectural engineering
Slurry.
Background technology
Cement is a kind of conventional material of building field, and its key property is the plasticity having after addition suitable quantity of water, water
Mud can not only be hardened in atmosphere, can also be hardened in water.Cement is used to manufacture concrete, is then applied to road
The occasions such as face laying, building construction.
In the prior art, road surface just is spread under cold weather conditions by cement concrete, because of ice and snow unfreezing, often
Premature failure and destroyed, the service life of design objective is not reached much, the production and living given people are made troubles and wasted.
In addition, cement mortar is a kind of poor toughness, fragile material uneven, easy to crack, there is tensile pressure ratio low, dry-shrinkage deformed big, anti-
The shortcomings of oozing property, crack resistance, corrosion-resistant, and the development modernized with architectural engineering, mortar performance is particularly bonded
Intensity, cracking resistance, impermeability etc. propose higher requirement, and traditional cement mortar material is difficult to meet higher and higher
Engineering actual demand.
The content of the invention
For shortcoming and defect present in prior art set forth above, the present invention is intended to provide a kind of radiation proof is enhanced
Composite cement mortar, to solve problem set forth above.
A kind of enhanced composite cement mortar of radiation proof is provided in embodiments of the invention, the cement mortar is by such as the following group
Part is constituted：100-150 parts of cement, 100-700 parts of river sand, 100-700 parts of water, 30-50 parts of graphene reinforcing fiber, water reducer 7-
12 parts, hollow glass micropearl/Fe3O430-40 parts of composite, 30-50 parts of tourmaline powder, 20-40 parts of graphite, quartz sand 30-
50 parts, 20-30 parts of kaolin, 5-15 parts of SBR emulsion, 5-20 parts of aluminum sulfate, 1-5 parts of carboxymethyl cellulose.
The technical scheme that embodiments of the invention are provided can include the following benefits：
1. adding graphene reinforcing fiber into cement mortar, the graphene reinforcing fiber is good in toughness, and with one
Fixed wave-sucking performance, makes cement mortar have an electro-magnetic screen function, and with that adhesive force is strong, crack resistance is good, intensity is high etc. is aobvious
Work feature.
2. hollow glass micropearl/Fe is added into cement mortar3O4Composite, the hollow glass micropearl/Fe3O4It is compound
Material has light weight, to electro-magnetic wave absorption, reflection loss is strong the advantages of so that the cement mortar wave absorbtion is significantly improved.
The aspect and advantage that the application is added will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the application.It should be appreciated that the general description of the above and detailed description hereinafter are only
It is exemplary and explanatory, the application can not be limited.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is hollow glass micropearl/Fe of the present invention3O4The structural representation of composite；
Wherein, 1- hollow glass micropearls, 2-Fe3O4。
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
Embodiments of the invention are related to a kind of enhanced composite cement mortar of radiation proof, and the cement mortar is by following component structure
Into：
100-150 parts of cement, 100-700 parts of river sand, 100-700 parts of water, 30-50 parts of graphene reinforcing fiber, water reducer
7-12 parts, hollow glass micropearl/Fe3O430-40 parts of composite, 30-50 parts of tourmaline powder, 20-40 parts of graphite, quartz sand
30-50 parts, 20-30 parts of kaolin, 5-15 parts of SBR emulsion, 5-20 parts of aluminum sulfate, 1-5 parts of carboxymethyl cellulose.
In technical solution of the present invention, graphene reinforcing fiber is added into cement mortar, the graphene reinforcing fiber is tough
Property it is good, and with certain wave-sucking performance, make cement mortar that there is electro-magnetic screen function, and with adhesive force is strong, cracking resistance
The distinguishing feature such as the good, intensity of property is high.
In technical solution of the present invention, hollow glass micropearl/Fe is added into cement mortar3O4Composite, the hollow glass
Microballon/Fe3O4Composite has light weight, to electro-magnetic wave absorption, reflection loss is strong the advantages of so that the cement mortar inhale ripple
Property is significantly improved.
Each group distribution ratio is preferably in the present invention：120 parts of cement, 300 parts of river sand, 400 parts of water, graphene reinforcing fiber 50
Part, 10 parts of water reducer, hollow glass micropearl/Fe3O440 parts of composite, 40 parts of tourmaline powder, 40 parts of graphite, quartz sand 50
Part, 30 parts of kaolin, 15 parts of SBR emulsion, 15 parts of aluminum sulfate, 3 parts of carboxymethyl cellulose.
Preferably, above-mentioned graphene reinforcing fiber is doped with Fe nanowire, Fe3O4The graphene fiber of nano-particle, institute
Graphene reinforcing fiber main component is stated for graphene, Fe nanowire, Fe3O4Nano-particle, wherein, quality shared by Fe nanowire
Than for 8%, Fe nanowire length is 10 μm；Fe3O4Mass ratio shared by nano-particle is 20%, Fe3O4Nano particle diameter is
200nm；
Preferably, the length of graphene reinforcing fiber described above is 3~20mm.
Graphene is a kind of preferable module units, and it can be for preparing high-performance fiber, aeroge, film and is received
Nano composite material.At the beginning of self-discovery, graphene just causes extensive concern, based on its excellent electric conductivity and thermal conductivity, stone
Black alkene composite fibre is respectively provided with advantage in aspect of performances such as mechanical performance, heat conduction, conductions.In technical scheme, Jiang Tiena
Rice noodles, Fe3O4Nano-particle is combined with graphene, is prepared for graphene reinforcing fiber, and the graphene reinforcing fiber has axially
Excellent toughness, high conductivity, are applied to composite cement mortar, cement mortar is had electro-magnetic screen function, and have
There are the distinguishing features such as adhesive force is strong, crack resistance is good, intensity is high.
Preferably, above-mentioned hollow glass micropearl/Fe3O4Composite is core shell structure, and it is that ripple material is inhaled in a kind of double losses
Material, hollow glass micropearl has the characteristic, hollow glass such as high temperature resistant, thermal insulation, insulation, corrosion-resistant, chemical property stabilization, intensity height
Microballon shows as a kind of hollow, lightweight, even-grained spheric granules, in the prior art, generally as composite
Filler use, it can reduce the density of matrix, because itself does not possess absorbing property, generally in its Surface coating one
Layer or several layers of wave absorbing agents, obtain preferable lightweight composite wave-suction material；Fe3O4Dielectric loss, which can be produced, can also produce magnetic loss,
But traditional single Fe3O4It is used as absorbing material, it is difficult to meet absorbing material thickness of thin, absorb strong composite request, the application
In, on hollow glass micropearl surface provided with one layer of Fe3O4Layer, constitutes hollow glass micropearl/Fe3O4Core shell structure, this is special
Nucleocapsid structure causes electromagnetic wave that multiple reflections occur inside cavity and repeatedly absorb, and extends electromagnetic wave propagation path, so that
Be conducive to the loss of electromagnetic wave；In addition, hollow glass micropearl/the Fe3O4Core shell structure is a kind of high resistivity composite, from
And be conducive to the impedance matching of electromagnetic wave and free space, reflection will not be produced in material surface, electromagnetic wave largely can be effective
Into composite inner, so as to be conducive to the improvement of absorbing property.
Preferably, calcium sulfate, wherein calcium sulfate 1-5 parts, the condensation for adjusting mortar are also included in above-mentioned cement mortar
Time.
Preferably, thickener, 1-3 parts of thickener, the organic thickening of preferred cellulose ethers are also included in above-mentioned cement mortar
Agent or propylene class organic thickening agent, for water-keeping thickening, improve workability and the wet viscosity of mortar.
Preferably, the invention further relates to the preparation process of above-mentioned cement mortar：
Step 1, hollow glass micropearl is cleaned up, is then placed on keeping 50min in 0.6M NaOH solutions,
To remove surface organic impurities, after washing, then dry for standby；
Step 2, the hollow glass micropearl 23g of above-mentioned drying is taken, NaOH 12g, Fe (CO) is then taken525ml, monoethanolamine
400ml, hydrazine hydrate 30ml, above-mentioned substance is added in the anti-reactor of stainless steel, and holding temperature is 170 DEG C, and soaking time is
10~15h, then naturally cools to room temperature, and black precipitate is cleaned up, and it is micro- to obtain core shell structure hollow glass after drying
Pearl/Fe3O4Composite；
Step 3, mass fraction is added in the graphene oxide liquid crystal that mass concentration is 0.3%~3% is, 7% iron
Nano wire, 15% Fe3O4Nano-particle, being stirred with 100~1000rpm mixing speed to be formed graphene oxide/iron and receives
Rice noodles/Fe3O4Nano-particle spinning lyosol；
Step 4, graphene oxide/Fe nanowire/Fe of gained in step is taken3O4Nano-particle spinning lyosol, with 1~
After 100mL/h extruded velocity is by a diameter of 5~500 μm of spin duct, 1~100s is stopped in 5~80 DEG C of solidification liquid
Silk is frozen into, then is washed after drying, graphene oxide reinforcing fiber is obtained；
Step 5, the graphene oxide reinforcing fiber of gained in upper step is placed in reducing agent to reduce and washed after 0.1~100h
Or obtain graphene reinforcing fiber after carrying out thermal reduction；
Step 6, each component is taken by said ratio, then first cement, river sand, graphene reinforcing fiber is mixed, added
Water, after stirring, sequentially adds other components, often adds after a kind of component, adds part water, and is sufficiently stirred for, finally
Obtain cement mortar of the present invention.
Embodiment 1
The preparation process of the cement mortar：
Step 1, hollow glass micropearl is cleaned up, is then placed on keeping 50min in 0.6M NaOH solutions,
To remove surface organic impurities, after washing, then dry for standby；
Step 2, the hollow glass micropearl 23g of above-mentioned drying is taken, NaOH 12g, Fe (CO) is then taken525ml, monoethanolamine
400ml, hydrazine hydrate 30ml, above-mentioned substance is added in the anti-reactor of stainless steel, and holding temperature is 170 DEG C, and soaking time is
10~15h, then naturally cools to room temperature, and black precipitate is cleaned up, and it is micro- to obtain core shell structure hollow glass after drying
Pearl/Fe3O4Composite；
Step 3, mass fraction is added in the graphene oxide liquid crystal that mass concentration is 0.3%~3% is, 7% iron
Nano wire, 15% Fe3O4Nano-particle, being stirred with 100~1000rpm mixing speed to be formed graphene oxide/iron and receives
Rice noodles/Fe3O4Nano-particle spinning lyosol；
Step 4, graphene oxide/Fe nanowire/Fe of gained in step is taken3O4Nano-particle spinning lyosol, with 1~
After 100mL/h extruded velocity is by a diameter of 5~500 μm of spin duct, 1~100s is stopped in 5~80 DEG C of solidification liquid
Silk is frozen into, then is washed after drying, graphene oxide reinforcing fiber is obtained；
Step 5, the graphene oxide reinforcing fiber of gained in upper step is placed in reducing agent to reduce and washed after 0.1~100h
Or obtain graphene reinforcing fiber after carrying out thermal reduction；
Step 6, each component is taken by proportioning, then first cement, river sand, graphene reinforcing fiber is mixed, water is added, stirs
After mixing uniformly, other components are sequentially added, are often added after a kind of component, add part water, and be sufficiently stirred for, it is final to obtain this
Invent the cement mortar.
In the present embodiment, each group distribution ratio is as follows in the cement mortar：
120 parts of cement, 300 parts of river sand, 400 parts of water, 50 parts of graphene reinforcing fiber, 10 parts of water reducer, hollow glass is micro-
Pearl/Fe3O440 parts of composite, 40 parts of tourmaline powder, 40 parts of graphite, 50 parts of quartz sand, 30 parts of kaolin, butadiene-styrene rubber breast
15 parts of liquid, 15 parts of aluminum sulfate, 3 parts of carboxymethyl cellulose.
The length of the graphene reinforcing fiber is 3mm.
Embodiment 2
The preparation process of the cement mortar：
Step 1, hollow glass micropearl is cleaned up, is then placed on keeping 50min in 0.6M NaOH solutions,
To remove surface organic impurities, after washing, then dry for standby；
Step 2, the hollow glass micropearl 23g of above-mentioned drying is taken, NaOH 12g, Fe (CO) is then taken525ml, monoethanolamine
400ml, hydrazine hydrate 30ml, above-mentioned substance is added in the anti-reactor of stainless steel, and holding temperature is 170 DEG C, and soaking time is
10~15h, then naturally cools to room temperature, and black precipitate is cleaned up, and it is micro- to obtain core shell structure hollow glass after drying
Pearl/Fe3O4Composite；
Step 3, mass fraction is added in the graphene oxide liquid crystal that mass concentration is 0.3%~3% is, 7% iron
Nano wire, 15% Fe3O4Nano-particle, being stirred with 100~1000rpm mixing speed to be formed graphene oxide/iron and receives
Rice noodles/Fe3O4Nano-particle spinning lyosol；
Step 4, graphene oxide/Fe nanowire/Fe of gained in step is taken3O4Nano-particle spinning lyosol, with 1~
After 100mL/h extruded velocity is by a diameter of 5~500 μm of spin duct, 1~100s is stopped in 5~80 DEG C of solidification liquid
Silk is frozen into, then is washed after drying, graphene oxide reinforcing fiber is obtained；
Step 5, the graphene oxide reinforcing fiber of gained in upper step is placed in reducing agent to reduce and washed after 0.1~100h
Or obtain graphene reinforcing fiber after carrying out thermal reduction；
Step 6, each component is taken by proportioning, then first cement, river sand, graphene reinforcing fiber is mixed, water is added, stirs
After mixing uniformly, other components are sequentially added, are often added after a kind of component, add part water, and be sufficiently stirred for, it is final to obtain this
Invent the cement mortar.
In the present embodiment, each group distribution ratio is as follows in the cement mortar：
120 parts of cement, 300 parts of river sand, 400 parts of water, 50 parts of graphene reinforcing fiber, 10 parts of water reducer, hollow glass is micro-
Pearl/Fe3O440 parts of composite, 40 parts of tourmaline powder, 40 parts of graphite, 50 parts of quartz sand, 30 parts of kaolin, butadiene-styrene rubber breast
15 parts of liquid, 15 parts of aluminum sulfate, 3 parts of carboxymethyl cellulose.
The length of the graphene reinforcing fiber is 10mm.
Embodiment 3
The preparation process of the cement mortar：
Step 1, hollow glass micropearl is cleaned up, is then placed on keeping 50min in 0.6M NaOH solutions,
To remove surface organic impurities, after washing, then dry for standby；
Step 2, the hollow glass micropearl 23g of above-mentioned drying is taken, NaOH 12g, Fe (CO) is then taken525ml, monoethanolamine
400ml, hydrazine hydrate 30ml, above-mentioned substance is added in the anti-reactor of stainless steel, and holding temperature is 170 DEG C, and soaking time is
10~15h, then naturally cools to room temperature, and black precipitate is cleaned up, and it is micro- to obtain core shell structure hollow glass after drying
Pearl/Fe3O4Composite；
Step 3, mass fraction is added in the graphene oxide liquid crystal that mass concentration is 0.3%~3% is, 7% iron
Nano wire, 15% Fe3O4Nano-particle, being stirred with 100~1000rpm mixing speed to be formed graphene oxide/iron and receives
Rice noodles/Fe3O4Nano-particle spinning lyosol；
Step 4, graphene oxide/Fe nanowire/Fe of gained in step is taken3O4Nano-particle spinning lyosol, with 1~
After 100mL/h extruded velocity is by a diameter of 5~500 μm of spin duct, 1~100s is stopped in 5~80 DEG C of solidification liquid
Silk is frozen into, then is washed after drying, graphene oxide reinforcing fiber is obtained；
Step 5, the graphene oxide reinforcing fiber of gained in upper step is placed in reducing agent to reduce and washed after 0.1~100h
Or obtain graphene reinforcing fiber after carrying out thermal reduction；
Step 6, each component is taken by proportioning, then first cement, river sand, graphene reinforcing fiber is mixed, water is added, stirs
After mixing uniformly, other components are sequentially added, are often added after a kind of component, add part water, and be sufficiently stirred for, it is final to obtain this
Invent the cement mortar.
In the present embodiment, each group distribution ratio is as follows in the cement mortar：
120 parts of cement, 300 parts of river sand, 400 parts of water, 50 parts of graphene reinforcing fiber, 10 parts of water reducer, hollow glass is micro-
Pearl/Fe3O440 parts of composite, 40 parts of tourmaline powder, 40 parts of graphite, 50 parts of quartz sand, 30 parts of kaolin, butadiene-styrene rubber breast
15 parts of liquid, 15 parts of aluminum sulfate, 3 parts of carboxymethyl cellulose.
The length of the graphene reinforcing fiber is 20mm.
The preferred mode of the present invention is the foregoing is only, is not intended to limit the invention, all spiritual and originals in the present invention
Within then, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of enhanced composite cement mortar of radiation proof, it is characterised in that the cement mortar is made up of following component：Cement
100-150 parts, 100-700 parts of river sand, 100-700 parts of water, 30-50 parts of graphene reinforcing fiber, 7-12 parts of water reducer, hollow glass
Glass microballon/Fe3O430-40 parts of composite, 30-50 parts of tourmaline powder, 20-40 parts of graphite, 30-50 parts of quartz sand, kaolin
20-30 parts, 5-15 parts of SBR emulsion, 5-20 parts of aluminum sulfate, 1-5 parts of carboxymethyl cellulose.
2. the enhanced composite cement mortar of a kind of radiation proof according to claim 1, it is characterised in that above-mentioned graphene increases
Strong fiber is doped with Fe nanowire, Fe3O4The graphene fiber of nano-particle, the graphene reinforcing fiber main component is
Graphene, Fe nanowire, Fe3O4Nano-particle.
3. a kind of enhanced composite cement mortar of radiation proof according to claim 2, it is characterised in that the Fe nanowire institute
It is 8% to account for mass ratio, and Fe nanowire length is 10 μm.
4. a kind of enhanced composite cement mortar of radiation proof according to claim 2, it is characterised in that the Fe3O4Nanoparticle
Sub shared mass ratio is 20%, Fe3O4Nano particle diameter is 200nm.
5. a kind of enhanced composite cement mortar of radiation proof according to claim 2, it is characterised in that graphite described above
The length of alkene reinforcing fiber is 3~20mm.
6. a kind of enhanced composite cement mortar of radiation proof according to claim 1, it is characterised in that described hollow glass
Glass microballon/Fe3O4Composite is core shell structure, and hollow glass micropearl is nuclear structure, Fe3O4Layer is shell structure.
7. the enhanced composite cement mortar of a kind of radiation proof according to claim 6, it is characterised in that the cement mortar by
Following component is constituted：120 parts of cement, 300 parts of river sand, 400 parts of water, 50 parts of graphene reinforcing fiber, 10 parts of water reducer, hollow glass
Glass microballon/Fe3O440 parts of composite, 40 parts of tourmaline powder, 40 parts of graphite, 50 parts of quartz sand, 30 parts of kaolin, butylbenzene rubber
15 parts of latex solution, 15 parts of aluminum sulfate, 3 parts of carboxymethyl cellulose.
8. a kind of enhanced composite cement mortar of radiation proof according to claim 1, it is characterised in that above-mentioned cement mortar
In also include calcium sulfate, wherein calcium sulfate 1-5 parts.
9. a kind of enhanced composite cement mortar of radiation proof according to claim 1, it is characterised in that above-mentioned cement mortar
In also include thickener, 1-3 part of thickener, the thickener is in cellulose ethers organic thickening agent, propylene class organic thickening agent
One kind.
10. according to a kind of enhanced composite cement mortar of radiation proof according to any one of claims 1 to 9, it is characterised in that
The preparation process of above-mentioned cement mortar：
Step 1, hollow glass micropearl is cleaned up, is then placed on keeping 50min in 0.6M NaOH solutions, with clear
Except surface organic impurities, after washing, then dry for standby；
Step 2, the hollow glass micropearl 23g of above-mentioned drying is taken, NaOH 12g, Fe (CO) is then taken525ml, monoethanolamine 400ml,
Hydrazine hydrate 30ml, above-mentioned substance is added in the anti-reactor of stainless steel, holding temperature be 170 DEG C, soaking time be 10~
15h, then naturally cools to room temperature, and black precipitate is cleaned up, after drying i.e. obtain core shell structure hollow glass micropearl/
Fe3O4Composite；
Step 3, mass fraction is added in the graphene oxide liquid crystal that mass concentration is 0.3%~3% is, 7% iron nanometer
Line, 15% Fe3O4Nano-particle, stirs to form graphene oxide/iron nanometer with 100~1000rpm mixing speed
Line/Fe3O4Nano-particle spinning lyosol；
Step 4, graphene oxide/Fe nanowire/Fe of gained in step is taken3O4Nano-particle spinning lyosol, with 1~
After 100mL/h extruded velocity is by a diameter of 5~500 μm of spin duct, 1~100s is stopped in 5~80 DEG C of solidification liquid
Silk is frozen into, then is washed after drying, graphene oxide reinforcing fiber is obtained；
Step 5, by upper step gained graphene oxide reinforcing fiber be placed in reducing agent reduce 0.1~100h after washing or
Graphene reinforcing fiber is obtained after carrying out thermal reduction；
Step 6, each component is taken by said ratio, then first cement, river sand, graphene reinforcing fiber is mixed, water is added, stirs
After mixing uniformly, other components are sequentially added, are often added after a kind of component, add part water, and be sufficiently stirred for, it is final to obtain this
Invent the cement mortar.
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| CN111056777A (en) * | 2019-12-27 | 2020-04-24 | 东营市万泰建设工程有限公司 | Corrosion-resistant radiation-proof concrete |
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