CN108687359A - The preparation method of nanometer copper clad aluminium hybrid fuel - Google Patents
The preparation method of nanometer copper clad aluminium hybrid fuel Download PDFInfo
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- CN108687359A CN108687359A CN201810583312.8A CN201810583312A CN108687359A CN 108687359 A CN108687359 A CN 108687359A CN 201810583312 A CN201810583312 A CN 201810583312A CN 108687359 A CN108687359 A CN 108687359A
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- Prior art keywords
- nanometer
- copper
- kocide
- aluminium
- hybrid fuel
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 116
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000004411 aluminium Substances 0.000 title claims abstract description 87
- 239000010949 copper Substances 0.000 title claims abstract description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 51
- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- AEJIMXVJZFYIHN-UHFFFAOYSA-N copper;dihydrate Chemical compound O.O.[Cu] AEJIMXVJZFYIHN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000008139 complexing agent Substances 0.000 claims abstract description 35
- 239000000725 suspension Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 24
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 18
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001509 sodium citrate Substances 0.000 claims abstract description 14
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims abstract description 14
- 229940038773 trisodium citrate Drugs 0.000 claims abstract description 14
- -1 aluminum ion Chemical class 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 12
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 9
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 206010013786 Dry skin Diseases 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 10
- 244000061458 Solanum melongena Species 0.000 abstract description 2
- 239000004094 surface-active agent Substances 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 13
- 239000000126 substance Substances 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000005751 Copper oxide Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Substances OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910000431 copper oxide Inorganic materials 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003380 propellant Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004449 solid propellant Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- JQKUCPUQTWLCNU-UHFFFAOYSA-N copper;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound [Cu].OC(=O)CC(O)(C(O)=O)CC(O)=O JQKUCPUQTWLCNU-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229950011087 perflunafene Drugs 0.000 description 1
- UWEYRJFJVCLAGH-UHFFFAOYSA-N perfluorodecalin Chemical compound FC1(F)C(F)(F)C(F)(F)C(F)(F)C2(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C21F UWEYRJFJVCLAGH-UHFFFAOYSA-N 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The invention discloses the preparation methods of a kind of nanometer of copper clad aluminium hybrid fuel, it is in the mixing water phase suspension of Kocide SD and aluminium powder, add trace copper ion complexing agent trisodium citrate and aluminum ion complexing agent ammonium fluoride, the aubergine product that reaction is obtained centrifuges, and obtains a nanometer copper clad aluminium hybrid fuel.The technique of the present invention carries out at normal temperatures and pressures, does not introduce any type surfactant, gained Nanometer Copper is evenly distributed in nanometer aluminium surface, and homogeneous grain diameter;The concentration for regulating and controlling trace copper ion complexing agent can also adjust the granularity of gained nanometer copper particle.
Description
Technical field
The present invention relates to the solid propellant preparation methods of nano aluminum hybrid fuel, and in particular to nanometer copper clad aluminium is multiple
Close the preparation method of fuel.
Background technology
Aluminium powder is quite notable to the effect for improving specific impulse due to the combustion heat that density is high, oxygen demand is low and high, therefore is made
It is widely used in solid rocket propellant for metal fuel.Relative to traditional micron aluminium fuel, nano aluminum fuel is had
The special small-size effect and skin effect having make it have higher reactivity and energy releasing efficiency.Then, nano aluminum
Chemical property is more active compared with micron aluminium, is more easy to and extraneous environmental factor(Temperature, humidity, atmosphere etc.)It interacts,
It is formed on its surface the inertia oxidation film of high level, to lose most of activity.Therefore, the activity of nano aluminum fuel is kept
As needing the major issue solved in actual use.
In all multi-methods that nano aluminum activity is kept, surface cladding design is proved to be a kind of effective approach.
Such as:Pennsylvania State Univ-Univ Park USA Matsoukas teaches seminar using chemical vapor deposition approach respectively by isopropyl
Alcohol, toluene, Octadecafluorodec Ahydronaphthalene etc. are coated on a nanometer aluminium surface(ACS Appl. Mater. Interfaces, 2014, 6:
7942–7947), the activity of nano aluminum is protected to a certain extent.Ye Mingquan etc.(CN103506621A)Disclose a kind of fluorine rubber
The preparation method of glue coating nano aluminium powder compound particle, clad fluorubber can delay the normal temperature oxidation of nanometer aluminium powder, raising to receive
The high-temperature oxydation rate and heat release rate of rice aluminium powder.Zhao Fengqi etc.(CN103611943A)Disclose a kind of carbon-coated nano
The preparation method of aluminium powder, nanometer aluminium powder can effectively prevent the oxidation of nano aluminum after cladding, maintain the activity of nano aluminum.However,
Covering material involved in research is mostly inert substance, non-solid propellant recipe ingredient, and combustion heat value is not high.
Nanometer Copper is common burningrate catalyst in solid propellant, synthesizes a nanometer copper clad aluminium hybrid fuel;One side
Face can keep the activity of aluminium fuel, it is prevented further to be passivated at low temperature;On the other hand, it is turned at high temperature by alloy
With or aluminothermy effect the ignition performance of aluminium fuel can be improved.Applicant once existed"Displacement reduction method prepares nucleocapsid Cu/Al
Composite powder"(Chemical journal, 2017,65:81-85)The synthesis technology for reporting a kind of nanometer of copper clad micron aluminium powder, with bright
In the aqueous solution that glue is protective agent, fluorine ion is complexing agent, the method for restoring soluble copper salt using aluminium powder direct replacement is realized
Rapid chemical sedimentation of the Nanometer Copper on micron aluminium powder surface.Then, after nano aluminum replaces micron aluminium, using such synthesis work
Skill, the copper particle cemented out is not deposited on the surface of nano aluminum, but forms the two of simple copper particle and nano aluminum
First metal mixture.The reason for this is that:Nano aluminum is not enough to rely on compared to micron aluminium, grain size smaller, the Nanometer Copper cemented out
Electrostatic attraction is adsorbed on a nanometer aluminium surface.
Invention content
It is an object of the invention to:The preparation method that a kind of nanometer of copper clad aluminium hybrid fuel is provided, using " double complexings
Agent " prepares Nanometer Copper coating nano aluminium, improves application performance of the nano aluminum fuel in solid rocket propellant, is nanometer copper-clad
It covers application of the aluminium hybrid fuel in solid rocket propellant and technical support is provided.
Technical solution of the invention is:The preparation method of this nanometer of copper clad aluminium hybrid fuel be in Kocide SD and
In the mixing water phase suspension of aluminium powder, trace copper ion complexing agent trisodium citrate and aluminum ion complexing agent ammonium fluoride are added, it will
The aubergine product that reaction obtains centrifuges, and obtains a nanometer copper clad aluminium hybrid fuel.
Wherein, the preparation method of this nanometer of copper clad aluminium hybrid fuel includes step in detail below:
(1)Under normal temperature and pressure, certain density copper sulfate solution and sodium hydrate aqueous solution is respectively configured, copper sulphate is water-soluble
Liquid and sodium hydrate aqueous solution are according to volume ratio 1:1 is uniformly mixed, and forms Kocide SD suspension;Kocide SD suspension is centrifuged
Separation is washed with deionized to acid-base value neutrality, obtains Kocide SD;
(2)Kocide SD and aluminium powder are added to the water and ultrasonic disperse and be dispersed with stirring, Kocide SD and aluminium powder are obtained
Mix water phase suspension;
(3)By step(2)Mixing water phase suspension in be added trace copper ion complexing agent trisodium citrate and aluminium ion complexing
Agent ammonium fluoride, whole process carry out under being stirred at 500-800 revs/min, and product after a certain period of time, is centrifuged and washed by reaction
It washs, 45 DEG C of dryings, obtains a nanometer copper clad aluminium hybrid fuel.
Wherein, the particle size range of the aluminium powder is 100-800 nanometers.
Wherein, step(1)In, copper sulfate solution concentration is controlled in 0.01-0.1 mol/L, and sodium hydrate aqueous solution is dense
Degree is 2.1 times of copper sulphate water concentration.
Wherein, step(2)In, in the mixing water phase suspension of the Kocide SD and aluminium powder, Kocide SD, aluminium powder and water
The weight ratio of three is 0.001-0.01:0.01:1.
Wherein, step(2)In, the condition of the ultrasonic disperse is:60-360 watts of ultrasonic disperse power.
Wherein, step(3)In, the weight of the trace copper ion complexing agent trisodium citrate is the weight of Kocide SD
1 percent;Concentration of the aluminum ion complexing agent ammonium fluoride in the mixing water phase suspension of Kocide SD and aluminium powder, which controls, is
0.05-0.2 mol/L。
Wherein, step(3)In, the reaction time is 1-5 minutes.
The principle of the present invention is:Under normal temperature and pressure, nanometer aluminium surface is wrapped up by one layer of fine and close oxidation film, with mantoquita energy
The premise that displacement reaction occurs is to remove the oxidation film on surface;In the mixing aqueous phase system of nano aluminum and Kocide SD, introduce
Aluminum ion complexing agent ammonium fluoride can destroy the oxidation film of nanometer aluminum surface layer, to expose the pure aluminum of high activity;Because of hydroxide
Copper has higher solubility product, can not ionize out free-moving copper ion in the solution, active elemental aluminium still can not be from hydrogen
Copper oxide displaces copper simple substance;For this purpose, being also added into trace copper ion network in the mixing aqueous phase system of nano aluminum and Kocide SD
Mixture trisodium citrate, effect is to be complexed to form copper trace-citric acid complex ion with Kocide SD;Copper trace-citric acid
Complex ion can displace copper simple substance by the pure aluminum of high activity rapidly, while release complexing agent citrate again;It releases
Citrate will continue be complexed Kocide SD formed copper trace-citric acid complex ion, therewith again occur displacement reaction, and
Release complexing agent;Therefore, in the present invention, displacement reaction and complex reaction alternately carry out being set completely until Kocide SD
Change copper simple substance into;Since the concentration of copper-citric acid complex ion in system is trace, and maintain always one it is approximately the same
Level, efficiently avoid influence of the variation of system concentration to copper products grain size, pass through reduce copper-citric acid complex ion
Concentration, effectively reduce nanometer copper particle granularity, make it through electrostatic attraction and be adsorbed on a nanometer aluminium surface.
Compared with prior art, the present invention having advantageous effect below:
1, by " double complexing agents ", i.e. trace copper ion complexing agent and appropriate aluminum ion complexing agent, a nanometer copper-clad is quickly prepared
Cover nano aluminum hybrid fuel.
2, preparation process carries out at normal temperatures and pressures, does not introduce any type surfactant, required production equipment letter
It is single, it is suitble to industrialized production.
3, Nanometer Copper is evenly distributed in nanometer aluminium surface, homogeneous grain diameter, and regulates and controls the concentration of trace copper ion complexing agent, also
The granularity of controllable nanometer copper particle.
Description of the drawings
The stereoscan photograph of Fig. 1 nanometer copper clad aluminium hybrid fuels.
Specific implementation mode
The technical solution further illustrated the present invention with reference to embodiment, but these embodiments are not to be construed as to skill
The limitation of art scheme.
Embodiment 1:Preparing nanometer copper clad aluminium hybrid fuel, steps are as follows:
(1)Under normal temperature and pressure, certain density copper sulfate solution and sodium hydrate aqueous solution is respectively configured, copper sulphate is water-soluble
Liquid and sodium hydrate aqueous solution are according to volume ratio 1:1 is uniformly mixed, and forms Kocide SD suspension;Kocide SD suspension is centrifuged
Separation is washed with deionized to acid-base value neutrality, obtains Kocide SD;Wherein, copper sulfate solution concentration is 0.01mol/L,
2.1 times of a concentration of copper sulphate water concentration of sodium hydrate aqueous solution;
(2)By step(1)The Kocide SD and aluminium powder of gained, which are added to the water, carries out the ultrasonic disperse of 60 watts of power, obtains hydrogen-oxygen
Change the mixing water phase suspension of copper and aluminium powder;Wherein, the particle size range of the aluminium powder is 100 nanometers;The Kocide SD and aluminium
In the mixing water phase suspension of powder, the weight ratio of Kocide SD, aluminium powder and water three is 0.001:0.01:1;
(3)By step(2)Mixing water phase suspension in be added trace copper ion complexing agent trisodium citrate and aluminium ion complexing
Agent ammonium fluoride, whole process carry out under being stirred at 500 revs/min, and product after five minutes, is centrifuged and washed by reaction, and 45 DEG C dry
It is dry, obtain a nanometer copper clad aluminium hybrid fuel;The weight of the trace copper ion complexing agent trisodium citrate is Kocide SD
1 the percent of weight;Concentration of the aluminum ion complexing agent ammonium fluoride in the mixing water phase suspension of Kocide SD and aluminium powder
It is 0.05mol/L.
Embodiment 2:Preparing nanometer copper clad aluminium hybrid fuel, steps are as follows:
(1)Under normal temperature and pressure, certain density copper sulfate solution and sodium hydrate aqueous solution is respectively configured, copper sulphate is water-soluble
Liquid and sodium hydrate aqueous solution are according to volume ratio 1:1 is uniformly mixed, and forms Kocide SD suspension;Kocide SD suspension is centrifuged
Separation is washed with deionized to acid-base value neutrality, obtains Kocide SD;Wherein, copper sulfate solution concentration is 0.055mol/
L, 2.1 times of a concentration of copper sulphate water concentration of sodium hydrate aqueous solution;
(2)By step(1)The Kocide SD and aluminium powder of gained, which are added to the water, carries out the ultrasonic disperse of 210 watts of power, obtains hydrogen
The mixing water phase suspension of copper oxide and aluminium powder;Wherein, the particle size range of the aluminium powder is 450 nanometers;The Kocide SD and
In the mixing water phase suspension of aluminium powder, the weight ratio of Kocide SD, aluminium powder and water three is 0.0055:0.01:1;
(3)By step(2)Mixing water phase suspension in be added trace copper ion complexing agent trisodium citrate and aluminium ion complexing
Agent ammonium fluoride, whole process carry out under being stirred at 650 revs/min, after reacting 3 minutes, product are centrifuged and are washed, and 45 DEG C dry
It is dry, obtain a nanometer copper clad aluminium hybrid fuel;The weight of the trace copper ion complexing agent trisodium citrate is Kocide SD
1 the percent of weight;Concentration of the aluminum ion complexing agent ammonium fluoride in the mixing water phase suspension of Kocide SD and aluminium powder
It is 0.125 mol/L.
Embodiment 3:Preparing nanometer copper clad aluminium hybrid fuel, steps are as follows:
(1)Under normal temperature and pressure, certain density copper sulfate solution and sodium hydrate aqueous solution is respectively configured, copper sulphate is water-soluble
Liquid and sodium hydrate aqueous solution are according to volume ratio 1:1 is uniformly mixed, and forms Kocide SD suspension;Kocide SD suspension is centrifuged
Separation is washed with deionized to acid-base value neutrality, obtains Kocide SD;Wherein, copper sulfate solution concentration is 0.1 mol/L,
2.1 times of a concentration of copper sulphate water concentration of sodium hydrate aqueous solution;
(2)By step(1)The Kocide SD and aluminium powder of gained, which are added to the water, carries out the ultrasonic disperse of 360 watts of power, obtains hydrogen
The mixing water phase suspension of copper oxide and aluminium powder;Wherein, the particle size range of the aluminium powder is 800 nanometers;The Kocide SD and
In the mixing water phase suspension of aluminium powder, the weight ratio of Kocide SD, aluminium powder and water three is 0.01:0.01:1;
(3)By step(2)Mixing water phase suspension in be added trace copper ion complexing agent trisodium citrate and aluminium ion complexing
Agent ammonium fluoride, whole process carry out under being stirred at 800 revs/min, after reacting 1 minute, product are centrifuged and are washed, and 45 DEG C dry
It is dry, obtain a nanometer copper clad aluminium hybrid fuel;The weight of the trace copper ion complexing agent trisodium citrate is Kocide SD
1 the percent of weight;Concentration of the aluminum ion complexing agent ammonium fluoride in the mixing water phase suspension of Kocide SD and aluminium powder
It is 0.2 mol/L.
Wherein, Fig. 1 nanometers copper clad aluminium hybrid fuel(800nm)Stereoscan photograph;By receiving obtained by embodiment 1-3
The physical and chemical index such as following table of rice copper clad aluminium hybrid fuel:
。
Claims (8)
1. the preparation method of nanometer copper clad aluminium hybrid fuel, it is characterized in that:It is the mixing water phase in Kocide SD and aluminium powder
In suspension, trace copper ion complexing agent trisodium citrate and aluminum ion complexing agent ammonium fluoride are added, reaction is obtained purplish red
Color product centrifuges, and obtains a nanometer copper clad aluminium hybrid fuel.
2. the preparation method of nanometer copper clad aluminium hybrid fuel according to claim 1, it is characterized in that the preparation method packet
Include following steps:
(1)Under normal temperature and pressure, certain density copper sulfate solution and sodium hydrate aqueous solution is respectively configured, copper sulphate is water-soluble
Liquid and sodium hydrate aqueous solution are according to volume ratio 1:1 is uniformly mixed, and forms Kocide SD suspension;Kocide SD suspension is centrifuged
Separation is washed with deionized to acid-base value neutrality, obtains Kocide SD;
(2)Kocide SD and aluminium powder are added to the water and carry out ultrasonic disperse, the mixing water phase for obtaining Kocide SD and aluminium powder is outstanding
Turbid;
(3)By step(2)Mixing water phase suspension in be added trace copper ion complexing agent trisodium citrate and aluminium ion complexing
Agent ammonium fluoride, whole process carry out under being stirred at 500-800 revs/min, and product after a certain period of time, is centrifuged and washed by reaction
It washs, 45 DEG C of dryings, obtains a nanometer copper clad aluminium hybrid fuel.
3. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:The grain of the aluminium powder
Ranging from 100-800 nanometers of diameter.
4. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:Step(1)In, sulphur
The control of sour copper liquor concentration is in 0.01-0.1 mol/L, 2.1 times of a concentration of copper sulphate water concentration of sodium hydrate aqueous solution.
5. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:Step(2)In, institute
In the mixing water phase suspension for stating Kocide SD and aluminium powder, the weight ratio of Kocide SD, aluminium powder and water three is 0.001-0.01:
0.01:1.
6. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:Step(2)In, institute
The ultrasonic disperse condition stated is:60-360 watts of ultrasonic disperse power.
7. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:Step(3)In, institute
The weight for stating trace copper ion complexing agent trisodium citrate is 1 the percent of the weight of Kocide SD;The aluminum ion complexing agent
Concentration control of the ammonium fluoride in the mixing water phase suspension of Kocide SD and aluminium powder is 0.05-0.2 mol/L.
8. the preparation method of according to claim 2 nanometer of copper clad aluminium hybrid fuel, it is characterized in that:Step(3)In, institute
It is 1-5 minutes to state the reaction time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583312.8A CN108687359B (en) | 2018-06-08 | 2018-06-08 | Preparation method of nano copper-coated aluminum composite fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583312.8A CN108687359B (en) | 2018-06-08 | 2018-06-08 | Preparation method of nano copper-coated aluminum composite fuel |
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| CN110480004A (en) * | 2019-08-29 | 2019-11-22 | 南京理工大学 | The method that hydro-thermal method prepares carbon-coated aluminum nanoparticles |
| CN111331130A (en) * | 2020-03-11 | 2020-06-26 | 淮阴师范学院 | Preparation method of flower-shaped nano manganese hydroxide coated aluminum composite material |
| CN114309593A (en) * | 2021-09-24 | 2022-04-12 | 中北大学 | Preparation method of multi-transition metal coated micron aluminum composite fuel |
| CN114853554A (en) * | 2022-05-25 | 2022-08-05 | 北京理工大学 | Aluminum-copper core-shell structure metal fuel with catalytic effect and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480004A (en) * | 2019-08-29 | 2019-11-22 | 南京理工大学 | The method that hydro-thermal method prepares carbon-coated aluminum nanoparticles |
| CN111331130A (en) * | 2020-03-11 | 2020-06-26 | 淮阴师范学院 | Preparation method of flower-shaped nano manganese hydroxide coated aluminum composite material |
| CN111331130B (en) * | 2020-03-11 | 2022-03-18 | 淮阴师范学院 | Preparation method of flower-shaped nano manganese hydroxide coated aluminum composite material |
| CN114309593A (en) * | 2021-09-24 | 2022-04-12 | 中北大学 | Preparation method of multi-transition metal coated micron aluminum composite fuel |
| CN114309593B (en) * | 2021-09-24 | 2024-04-05 | 中北大学 | Preparation method of multielement transition metal coated micron aluminum composite fuel |
| CN114853554A (en) * | 2022-05-25 | 2022-08-05 | 北京理工大学 | Aluminum-copper core-shell structure metal fuel with catalytic effect and preparation method thereof |
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