CN114316653A - Superfine vanadium-titanium anticorrosive powder and preparation method thereof - Google Patents
Superfine vanadium-titanium anticorrosive powder and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
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- 239000000440 bentonite Substances 0.000 claims abstract description 21
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 21
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- 239000002994 raw material Substances 0.000 claims description 25
- 238000000227 grinding Methods 0.000 claims description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 22
- 229910052720 vanadium Inorganic materials 0.000 claims description 22
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- 239000010936 titanium Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 16
- 239000007900 aqueous suspension Substances 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 13
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000008096 xylene Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 231100000956 nontoxicity Toxicity 0.000 abstract description 3
- 230000000638 stimulation Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 21
- 238000001035 drying Methods 0.000 description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
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- 229920000178 Acrylic resin Polymers 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
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- 239000000049 pigment Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
The invention provides superfine vanadium-titanium anticorrosive powder and a preparation method thereof, wherein the superfine vanadium-titanium anticorrosive powder comprises the following components in parts by weight: 1-80 parts of vanadium-titanium byproduct, 1-5 parts of C5-C8 alcohol, 5-10 parts of dimethylbenzene, 12-20 parts of polyurethane resin and 5-15 parts of bentonite. The superfine vanadium-titanium anticorrosive powder is easy to disperse in the paint preparation process, and the prepared anticorrosive paint or primer has the advantages of good stability, difficulty in layering, excellent anticorrosive capability, high cost performance, no lead, chromium and other heavy metals, no toxicity, no pollution, no stimulation, low consumption, good anticorrosive performance and low preparation cost.
Description
Technical Field
The invention relates to the technical field of anticorrosive products, in particular to ultrafine vanadium-titanium anticorrosive powder and a preparation method thereof.
Background
Chemical and electrochemical corrosion of metals brings great economic loss and social harm to human beings. The corrosion of ships in seawater is very complex, the corrosion environments of different ship body parts are different, and the corrosion conditions are different. In general, the corrosion of ships in seawater is mainly influenced by the salinity, temperature, pH value, atmospheric environment, microorganisms and other factors of the seawater. These factors interact to constitute corrosion of the vessel.
At present, the common surface coating protection for protecting the metal surface is to cover a layer of coating on the metal by electroplating or spraying and other methods to prevent the metal from contacting with corrosive media, thereby achieving the purpose of protecting the metal. It has been proven in long-term practice that coatings are the most economical, practical and widely used protection method. The anticorrosive coatings are classified into various types, and according to film forming substances, the anticorrosive coatings can be classified into epoxy resin anticorrosive coatings, acrylate anticorrosive coatings, fluororesin anticorrosive coatings, polyaniline anticorrosive coatings, polyimide anticorrosive coatings, chlorinated polypropylene anticorrosive coatings, organic silicon resin anticorrosive coatings and the like, and the anticorrosive coatings generally have a good protection effect.
Patent CN109181547A discloses an anticorrosive paint, which comprises propylene emulsion, propylene glycol, titanate coupling agent, preservative, adhesive and titanium dioxide, and the invention has the effect of purifying air, and in the preparation process of the functional paint, because illite functional powder is added, the use amount of titanium dioxide and thickening agent can be reduced, and the production cost of the functional paint is greatly reduced.
Along with the progress of industrialization and social progress, people have higher and higher requirements on anticorrosive coatings, so in order to prolong the service life of the coatings, protect ecological environment and save construction cost, the development of an environment-friendly, low-cost and excellent-performance anticorrosive coating is urgently needed.
Disclosure of Invention
The invention solves the technical problem of providing the ultrafine vanadium-titanium anticorrosive powder and the preparation method thereof, the ultrafine vanadium-titanium anticorrosive powder does not contain heavy metals such as lead, chromium and the like, has no toxicity, environmental protection and no stimulation, can achieve good performance when the dosage is less, and can be applied to various solvent-based or water-based base materials to prepare anticorrosive, antirust paint, primer and primer-primer combined antirust paint.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides superfine vanadium-titanium anticorrosive powder which is characterized by comprising the following components in parts by weight: 1-80 parts of vanadium-titanium by-product, 1-5 parts of C5-C8 alcohol, 5-10 parts of dimethylbenzene, 12-20 parts of polyurethane resin and 5-15 parts of bentonite.
Further, the composition comprises the following components in parts by weight: 5-50 parts of vanadium-titanium byproducts, 1-3 parts of C5-C8 alcohol, 5-8 parts of dimethylbenzene, 12-15 parts of polyurethane resin and 5-10 parts of bentonite.
Further, the composition comprises the following components in parts by weight: 20-40 parts of vanadium-titanium byproducts, 2-3 parts of C5-C8 alcohol, 7-8 parts of xylene, 12-14 parts of polyurethane resin and 5-7 parts of bentonite.
Further, the superfine vanadium-titanium anticorrosive powder comprises the following components in parts by weight: 22 parts of vanadium-titanium by-product, 2 parts of C5-C8 alcohol, 8 parts of xylene, 12 parts of polyurethane resin and 5 parts of bentonite.
The invention utilizes the byproducts, the waste slag and the like generated in the steelmaking production process as raw materials to prepare the anticorrosive powder, can realize the comprehensive utilization of resources and reduce the production cost in the steelmaking process.
The bentonite is used as one of raw materials for improving the adhesive force of the coating.
Further, the vanadium-titanium by-product comprises one or more of a vanadium extraction by-product, titanium ore tailings powder and a vanadium-titanium containing secondary resource;
further, the vanadium-titanium byproduct comprises TiO2 20％、Fe3O41.5％、V2O5 0.3％。
In a specific embodiment of the invention, the particle size D50 of the anticorrosive powder is 2-4 μm.
Further, the pH value of the water suspension of the anticorrosive powder is 6-7.
Further, the density of the anticorrosive powder is 2-3.5 g/cm3The water soluble matter is less than or equal to 5 percent, and the volatile matter is less than or equal to 1 percent.
The invention also provides a preparation method of the superfine vanadium-titanium anticorrosive powder, which comprises the following steps: calcining all the raw materials and grinding to obtain the finished product.
The invention also provides application of the superfine vanadium-titanium anticorrosive powder in preparing anticorrosive paint.
The invention has the following beneficial effects:
(1) the superfine vanadium-titanium anticorrosive powder forms an extraordinary compact paint film through small-size effect and surface effect generated among components, can enhance the binding force of pigment and base material, promote the paint film performance, and can effectively prevent the corrosion of oxygen, water and other harmful substances to the surface of steel, thereby protecting the steel and playing a role in long-acting anticorrosion.
(2) The ultrafine vanadium-titanium anticorrosive powder is easy to disperse in the paint preparation process, and the prepared antirust anticorrosive paint or primer has good stability, is not easy to delaminate, has excellent anticorrosive capability and high cost performance, can achieve good antirust performance when the using amount is less, and can be used in paints of various base materials and used for preparing various anticorrosive paints, such as: phenolic aldehyde, alkyd, acrylic acid, epoxy, water-based resin paint and the like, and can also be widely applied to anticorrosive paint in the aspects of ships, automobiles, industrial machinery, color steel plates, household appliances, metal containers for food and the like.
(3) The superfine vanadium-titanium anticorrosive powder does not contain heavy metals such as lead, chromium and the like, has no toxicity, pollution or irritation, and is low in preparation cost, so that waste resources are effectively utilized.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of amyl alcohol, 8 parts of dimethylbenzene, 12 parts of polyurethane resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 2
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 30 parts of the raw materials with 1 part of hexanol, 5 parts of dimethylbenzene, 15 parts of polyurethane resin and 8 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 3
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 50 parts of the raw materials with 4 parts of hexanol, 5 parts of dimethylbenzene, 20 parts of polyurethane resin and 15 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 4
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μmOf TiO 22 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, and mixing 35 parts of the raw materials with 4 parts of hexanol, 8 parts of dimethylbenzene, 20 parts of polyurethane resin and 10 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 5
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 25 parts of the raw materials with 4 parts of amyl alcohol, 10 parts of dimethylbenzene, 15 parts of polyurethane resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 6
Mixing the vanadium extraction byproduct, titanium-selecting tailing powder and secondary vanadium-titanium-containing resource, calcining at 1300 ℃, and finely grinding to obtain powder with the particle size D50 of 4.0 mu m, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of amyl alcohol, 8 parts of dimethylbenzene, 12 parts of polyurethane resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Example 7
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 3.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 25 parts of amyl alcohol 4 parts, dimethylbenzene 10 parts, polyurethane resin 15 parts and bentonite 5 parts, drying and grinding to obtain the superfine vanadium-titanium anticorrosive paintThe pH value of the powder and the antiseptic powder aqueous suspension is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Comparative example 1
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of butanol, 8 parts of dimethylbenzene, 12 parts of polyurethane resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Comparative example 2
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of amyl alcohol, 8 parts of dimethylbenzene, 12 parts of acrylic resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Comparative example 3
Mixing the vanadium extraction byproduct, titanium ore tailings powder and secondary vanadium and titanium containing resource, calcining at 1300 deg.C, and finely grinding to obtain powder with particle diameter D50 of 2.0 μm, wherein TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of amyl alcohol, 8 parts of dimethylbenzene, 12 parts of epoxy acrylic resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
Comparative example 4
By-product of vanadium extractionMixing the product, the selected titanium tailing powder and the vanadium-titanium-containing secondary resource, calcining at 1300 ℃, and finely grinding to obtain powder with the particle size D50 of 2.0 mu m and TiO in the powder2 20％、Fe3O41.5％、 V2O50.3 percent of the raw materials, mixing 22 parts of the raw materials with 2 parts of butyl acetate, 8 parts of dimethylbenzene, 12 parts of polyurethane resin and 5 parts of bentonite, drying and grinding to obtain the superfine vanadium-titanium anticorrosive powder, wherein the pH value of the aqueous suspension of the anticorrosive powder is 6-7, and the density is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
After 5% of the superfine vanadium-titanium anticorrosive powder prepared in the example 1 and 10% of the anticorrosive powder in the comparative examples 1-4 are respectively prepared into the coating according to a conventional method, the performance of the coating is detected, and the detection results are shown in table 1:
TABLE 1
The superfine vanadium-titanium anticorrosive powder forms an extraordinary compact paint film through small-size effect and surface effect generated among components, can enhance the binding force of pigment and base material, promote the performance of the paint film, and effectively prevent the corrosion of oxygen, water and other harmful substances to the surface of steel, thereby protecting the steel, playing a role in long-acting anticorrosion, and being used in paints of various base materials and preparing various anticorrosion paints such as: phenolic aldehyde, alkyd, acrylic acid, epoxy, water-based resin paint and the like, and can also be widely applied to anticorrosive paint in the aspects of ships, automobiles, industrial machinery, color steel plates, household appliances, metal containers for food and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The ultrafine vanadium-titanium anticorrosive powder is characterized by comprising the following components in parts by weight: 1-80 parts of vanadium-titanium byproduct, 1-5 parts of C5-C8 alcohol, 5-10 parts of dimethylbenzene, 12-20 parts of polyurethane resin and 5-15 parts of bentonite.
2. The ultrafine vanadium-titanium anticorrosive powder according to claim 1, characterized by comprising the following components in parts by weight: 5-50 parts of vanadium-titanium byproducts, 1-3 parts of C5-C8 alcohol, 5-8 parts of dimethylbenzene, 12-15 parts of polyurethane resin and 5-10 parts of bentonite.
3. The ultrafine vanadium-titanium anticorrosive powder according to claim 1, characterized by comprising the following components in parts by weight: 20-40 parts of vanadium-titanium byproducts, 2-3 parts of C5-C8 alcohol, 7-8 parts of xylene, 12-14 parts of polyurethane resin and 5-7 parts of bentonite.
4. The ultrafine vanadium-titanium anticorrosive powder according to claim 1, characterized by comprising the following components in parts by weight: 22 parts of vanadium-titanium by-product, 2 parts of C5-C8 alcohol, 8 parts of xylene, 12 parts of polyurethane resin and 5 parts of bentonite.
5. The ultrafine vanadium-titanium anticorrosive powder according to claim 4, wherein the vanadium-titanium by-products comprise one or more of vanadium extraction by-products, titanium ore tailings powder, and vanadium-titanium containing secondary resources;
further, the vanadium-titanium byproduct comprises TiO2 20％、Fe3O41.5％、V2O5 0.3％。
6. The ultrafine composite vanadium-titanium anticorrosive powder according to any one of claims 1 to 5, wherein the particle size D50 of the anticorrosive powder is 2 to 4 μm.
7. The ultrafine vanadium-titanium anticorrosive powder according to any one of claims 1 to 5, wherein the pH of an aqueous suspension of the anticorrosive powder is 6 to 7.
8. According to any one of claims 1 to 5The superfine vanadium-titanium anticorrosive powder is characterized in that the density of the anticorrosive powder is 2-3.5 g/cm3The water-soluble substance is less than or equal to 0.5 percent, and the volatile matter at 105 ℃ is less than or equal to 1 percent.
9. The method for preparing the ultrafine vanadium-titanium anticorrosive powder according to any one of claims 1 to 8, characterized by comprising the following steps: calcining all the raw materials and grinding to obtain the catalyst.
10. Use of the ultrafine vanadium-titanium anticorrosive powder according to any one of claims 1 to 8 in the preparation of anticorrosive coatings.
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| CN1504516A (en) * | 2002-11-28 | 2004-06-16 | 万达科技（无锡）有限公司 | Antirust pigment for improving antirust property of antirust paint |
| CN106833092A (en) * | 2015-12-04 | 2017-06-13 | 上海中冶环境工程科技有限公司 | A kind of chemical filler prepared using metallurgical byproduct |
| CN109321103A (en) * | 2018-09-28 | 2019-02-12 | 天津美士邦涂料化工有限公司 | Water-based alkyd anti-corrosion primer |
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