CN108862399A - A kind of preparation method of monodispersed micron order hexagon oxidation iron plate - Google Patents
A kind of preparation method of monodispersed micron order hexagon oxidation iron plate Download PDFInfo
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- CN108862399A CN108862399A CN201811137011.9A CN201811137011A CN108862399A CN 108862399 A CN108862399 A CN 108862399A CN 201811137011 A CN201811137011 A CN 201811137011A CN 108862399 A CN108862399 A CN 108862399A
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- hexagon
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 230000003647 oxidation Effects 0.000 title claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 52
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 39
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 8
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003760 magnetic stirring Methods 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 1
- 229910001948 sodium oxide Inorganic materials 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 22
- 229920000036 polyvinylpyrrolidone Polymers 0.000 abstract description 7
- 239000001267 polyvinylpyrrolidone Substances 0.000 abstract description 7
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 4
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003973 paint Substances 0.000 abstract description 4
- 239000007772 electrode material Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 239000011259 mixed solution Substances 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000004094 surface-active agent Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000901 LiFePO4/C Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide (Fe2O3)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Abstract
The invention discloses a kind of preparation methods of monodispersed micron order hexagon oxidation iron plate, include the following steps：Step 1 configures reaction solution；The primary product of reddish violet is made in step 2, solvent-thermal method；Step 3, heat treatment obtains bronzing iron oxide in Muffle furnace.Innovatively use methanol-water mixed solution system, polyvinylpyrrolidone is used to carry out auxiliary control as pattern and dispersibility of the surfactant to product, using Iron trichloride hexahydrate as source of iron, carries out solvent thermal reaction and prepare micron order hexagon oxidation iron plate.The micron order regular hexagon oxidation iron plate unicity of preparation is good, and of uniform size, good dispersion, surface is smooth, and preparation step is simple, can have good application prospect in fields such as electrode material, catalyst, functional paint, air-sensitives with large-scale industrial production.
Description
Technical field
The present invention relates to inorganic material to synthesize field, and specifically a kind of monodispersed micron order hexagon aoxidizes iron plate
Preparation method.
Background technique
Iron oxide is important magnetic material, catalyst, polishing material, battery material, red pigment, colorant, function
Coating, gas sensitive.It is widely used in medical treatment, the energy, telecommunication, measurement instrument industry, paint, rubber, plastics, cosmetics, enamel, skin
The fields such as leather, magnetic alloy, catalysis industry and gas sensor.Such as：In terms of medicine, the micron iron oxide of dopen Nano particle
Suspension is used for medical magnetic resonance radiography；In terms of electrochemistry, there is the performance of the LiFePO4/C positive electrode based on micron iron oxide
Research；In terms of chemical industry, about the report for using micron suspension of ferric oxide powder to wash pickling exhaust gas；Catalysis aspect, it is related
In using micron ferric oxide and potassium carbonate as the application of the catalyst for phenylethylene dehydrogenation of raw material.
The preparation method of iron oxide micron particles material is mainly dry and wet at present.Wet process mainly has：It is hydro-thermal method, strong
Compel Hydrolyze method, sol-gal process, colloid chemistry methods, microemulsion method and chemical precipitation method etc..Dry method mainly has：Flame thermal decomposition,
Vapor deposition, low-temperature plasma chemical vapour deposition technique, solid phase method and laser thermal decomposition method.
The wet process generallyd use is to react suitable iron salt solutions with soda bath, is passed through air at normal temperature and is allowed to complete
Portion becomes ferric hydroxide colloid solution, and gradually oxide deposition generates iron oxide micron particles.Dry method generallys use nitric acid and iron plate
Reaction generates ferrous nitrate, through crystallisation by cooling, dehydration and drying, polished calcining, then oxidation is made through washing, drying, crushing
Iron.
An important factor for microscopic appearance and structure size of iron oxide are its performance and application, therefore the tune of morphology and size
Control is always the research emphasis of iron oxide material.It is desirable that obtaining novel iron oxide micron by control reaction condition etc.
Grain has unique pattern, the corresponding new performance applications for having electrochemistry, catalysis etc..For being mixed in methanol-water
It is had not yet seen in the prior art in solution system with the iron oxide material that solvent-thermal method prepares micron order hexagon.
Summary of the invention
The present invention is exactly to provide a kind of monodispersed micron order hexagon to solve deficiencies of the prior art
The preparation method of iron plate is aoxidized, methanol-water mixed solution system is innovatively used, uses polyvinylpyrrolidone as table
Face activating agent carries out auxiliary control to the pattern and dispersibility of product, and using Iron trichloride hexahydrate as source of iron, it is anti-to carry out solvent heat
Micron order hexagon oxidation iron plate should be prepared.The micron order regular hexagon oxidation iron plate unicity of preparation is good, of uniform size, dispersion
Property is good, and surface is smooth, and preparation step is simple, can be with large-scale industrial production, in electrode material, catalyst, functional paint, gas
There is good application prospect in quick equal fields.
The technical scheme adopted by the invention to solve the technical problem is that：
A kind of preparation method of monodispersed micron order hexagon oxidation iron plate, includes the following steps：
Step 1：Iron trichloride hexahydrate is dissolved in methanol solution, stirring adds appropriate polyethylene up to being completely dissolved
Pyrrolidones continues stirring until being completely dissolved, and obtains the transparent uniform solution that ferric chloride concn is 0.035-0.045mol/L；
Polyvinylpyrrolidone is surfactant, and additional amount meets corresponding reaction and requires.
In deionized water by sodium hydroxide dissolution, it stirs to being completely dissolved, obtains transparent sodium hydrate aqueous solution,
The solubility of middle sodium hydroxide is 0.8-1.0mol/L；
By the sodium hydroxide of preparation, solution is added dropwise in above-mentioned ferric chloride solution under magnetic stirring, ferric chloride solution and
Sodium hydroxide solution volume proportion is 2.5-3.5:1, continue magnetic agitation 40-60 minutes.
Step 2：The liquid that step 1 is obtained is transferred in the reaction kettle of polytetrafluoroethyllining lining, is maintained at 150-180
DEG C heating 10-20 hours.It is opened after reaction kettle at room temperature natural cooling, by reaction product methanol solution and deionized water
Centrifuge washing 3-5 times respectively, the primary product of reddish violet is obtained after drying；
Step 3：Product obtained in step 2 is heated 1.5-2 hours at 480-550 DEG C, removes remaining surface
Hydroxyl etc. obtains regular hexagon oxidation iron plate russet after exhaustive oxidation.
The transparent uniform solution concentration of iron chloride is 0.04mol/L in the step 1, and the concentration of the sodium hydroxide is
0.83mol/L；Ferric chloride solution and sodium hydroxide solution volume proportion are 3 in the step 1:1.
The beneficial effects of the invention are as follows：
1, size shape is uniform, good dispersion, and side length is about 3.5~3.8*103Nanometer, thickness are about 200~380 to receive
Rice.Particle surface is flat and smooth, fine and close pore-free.
2, methanol-water mixed solution system is innovatively used, uses polyvinylpyrrolidone as surfactant
Pattern and dispersibility to product carry out auxiliary control, and using Iron trichloride hexahydrate as source of iron, progress solvent thermal reaction prepares micro-
Meter level hexagon aoxidizes iron plate.The micron order regular hexagon oxidation iron plate unicity of preparation is good, of uniform size, good dispersion, table
Face is smooth, and preparation step is simple, can be led with large-scale industrial production in electrode material, catalyst, functional paint, air-sensitive etc.
There is good application prospect in domain.
Detailed description of the invention
Fig. 1 and Fig. 2 is the stereoscan photograph that micron order hexagon prepared by the embodiment of the present invention 1 aoxidizes iron plate.
Specific embodiment
For a better understanding of the present invention, a specific embodiment of the invention is explained in detail with reference to the accompanying drawing.
Embodiment 1
It weighs 0.5g Iron trichloride hexahydrate to be added in 38ml methanol, be stirred under magnetic stirring to being completely dissolved, then weigh 1g
Polyvinylpyrrolidone is added, and continues stirring to being completely dissolved.It separately weighs 0.5g sodium hydroxide to be added in 15mL water, magnetic agitation
To being completely dissolved.The aqueous solution of sodium hydroxide is added dropwise to the methanol solution of Iron trichloride hexahydrate obtained above under stiring
In.Then aforesaid liquid is transferred in the reaction kettle of polytetrafluoroethyllining lining, reacts 16 hours at 160 DEG C, at room temperature from
It is so cooling.Reaction product is poured into centrifuge tube, deionized water and methanol wash 4 times respectively, are then placed in 55 DEG C of baking ovens and protect
It holds 24 hours and dries, place into Muffle furnace and keep aoxidizing to get to micron-sized regular hexagon russet for 2 hours for 500 DEG C
Iron plate.
Embodiment 2
It weighs 0.6g Iron trichloride hexahydrate to be added in 45ml methanol, be stirred under magnetic stirring to being completely dissolved, then weigh
0.8g polyvinylpyrrolidone is added, and continues stirring to being completely dissolved.It separately weighs 0.6g sodium hydroxide to be added in 18mL water, magnetic force
Stirring is to being completely dissolved.The methanol that Iron trichloride hexahydrate obtained above is added dropwise in the aqueous solution of sodium hydroxide under stiring is molten
In liquid.Then aforesaid liquid is transferred in the reaction kettle of polytetrafluoroethyllining lining, reacts 10 hours at 170 DEG C, at room temperature
Natural cooling.Reaction product is poured into centrifuge tube, deionized water and methanol wash 5 times respectively, are then placed in 60 DEG C of baking ovens
It keeps drying for 12 hours, places into Muffle furnace and kept for 2 hours to get micron-sized regular hexagon oxygen russet is arrived for 480 DEG C
Change iron plate.
Embodiment 1
It weighs 0.5g Iron trichloride hexahydrate to be added in 52ml methanol, be stirred under magnetic stirring to being completely dissolved, then weigh 1g
Polyvinylpyrrolidone is added, and continues stirring to being completely dissolved.It separately weighs 0.5g sodium hydroxide to be added in 15mL water, magnetic agitation
To being completely dissolved.The aqueous solution of sodium hydroxide is added dropwise to the methanol solution of Iron trichloride hexahydrate obtained above under stiring
In.Then aforesaid liquid is transferred in the reaction kettle of polytetrafluoroethyllining lining, reacts 16 hours at 180 DEG C, at room temperature from
It is so cooling.Reaction product is poured into centrifuge tube, deionized water and methanol wash 4 times respectively, are then placed in 55 DEG C of baking ovens and protect
It holds 24 hours and dries, place into Muffle furnace and keep aoxidizing to get to micron-sized regular hexagon russet for 2 hours for 550 DEG C
Iron plate.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (2)
1. a kind of preparation method of monodispersed micron order hexagon oxidation iron plate, characterized in that the method includes following steps
Suddenly：
Step 1：Iron trichloride hexahydrate is dissolved in methanol solution, stirring adds appropriate polyvinyl pyrrole up to being completely dissolved
Alkanone continues stirring until being completely dissolved, and obtains the transparent uniform solution that ferric chloride concn is 0.035-0.045mol/L；
In deionized water by sodium hydroxide dissolution, it stirs to being completely dissolved, obtains transparent sodium hydrate aqueous solution, wherein hydrogen
The solubility of sodium oxide molybdena is 0.8-1.0mol/L；
By the sodium hydroxide of preparation, solution is added dropwise in above-mentioned ferric chloride solution under magnetic stirring, ferric chloride solution and hydrogen-oxygen
Change sodium solution volume proportion is 2.5-3.5:1, continue magnetic agitation 40-60 minutes.
Step 2：The liquid that step 1 is obtained is transferred in the reaction kettle of polytetrafluoroethyllining lining, is maintained at 150-180 DEG C and is added
It is 10-20 hours hot, it is opened after reaction kettle at room temperature natural cooling, reaction product methanol solution and deionized water is distinguished
Centrifuge washing 3-5 times obtains the primary product of reddish violet after drying；
Step 3：Product obtained in step 2 is heated 1.5-2 hours at 480-550 DEG C, removes the hydroxyl of remaining surface,
Regular hexagon oxidation iron plate russet is obtained after exhaustive oxidation.
2. a kind of preparation method of monodispersed micron order hexagon oxidation iron plate according to claim 1, characterized in that
The transparent uniform solution concentration of iron chloride is 0.04mol/L in the step 1, and the concentration of the sodium hydroxide is 0.83mol/
L；Ferric chloride solution and sodium hydroxide solution volume proportion are 3 in the step 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137011.9A CN108862399B (en) | 2018-09-28 | 2018-09-28 | Preparation method of monodisperse micron-sized hexagonal iron oxide sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137011.9A CN108862399B (en) | 2018-09-28 | 2018-09-28 | Preparation method of monodisperse micron-sized hexagonal iron oxide sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108862399A true CN108862399A (en) | 2018-11-23 |
| CN108862399B CN108862399B (en) | 2021-03-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661194A (en) * | 2020-12-24 | 2021-04-16 | 厦门大学 | Preparation method of uniform flaky ferric oxide with adjustable size |
| CN112919548A (en) * | 2021-03-09 | 2021-06-08 | 陕西科技大学 | Purple luster iron oxide flaky particles and preparation method thereof |
-
2018
- 2018-09-28 CN CN201811137011.9A patent/CN108862399B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661194A (en) * | 2020-12-24 | 2021-04-16 | 厦门大学 | Preparation method of uniform flaky ferric oxide with adjustable size |
| CN112661194B (en) * | 2020-12-24 | 2023-05-23 | 厦门大学 | Preparation method of uniform flaky ferric oxide with adjustable size |
| CN112919548A (en) * | 2021-03-09 | 2021-06-08 | 陕西科技大学 | Purple luster iron oxide flaky particles and preparation method thereof |
| CN112919548B (en) * | 2021-03-09 | 2023-08-08 | 晶瓷(北京)新材料科技有限公司 | Purple glossy iron oxide flaky particles and preparation method thereof |
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| Publication number | Publication date |
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| CN108862399B (en) | 2021-03-19 |
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