CN114854257A - High-temperature-resistant antirust agent and preparation method thereof - Google Patents
High-temperature-resistant antirust agent and preparation method thereof Download PDFInfo
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- CN114854257A CN114854257A CN202210496697.0A CN202210496697A CN114854257A CN 114854257 A CN114854257 A CN 114854257A CN 202210496697 A CN202210496697 A CN 202210496697A CN 114854257 A CN114854257 A CN 114854257A
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- temperature
- resistant
- antirust agent
- agent
- antirust
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- 239000013556 antirust agent Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000008367 deionised water Substances 0.000 claims abstract description 27
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 17
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims abstract 3
- 238000003756 stirring Methods 0.000 claims description 60
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 29
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 29
- 229920000178 Acrylic resin Polymers 0.000 claims description 22
- 239000004925 Acrylic resin Substances 0.000 claims description 22
- 229910052580 B4C Inorganic materials 0.000 claims description 22
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 22
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000004359 castor oil Substances 0.000 claims description 22
- 235000019438 castor oil Nutrition 0.000 claims description 22
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 22
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 22
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 21
- HSYFJDYGOJKZCL-UHFFFAOYSA-L zinc;sulfite Chemical compound [Zn+2].[O-]S([O-])=O HSYFJDYGOJKZCL-UHFFFAOYSA-L 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 15
- 239000003112 inhibitor Substances 0.000 claims description 14
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 14
- 238000007873 sieving Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims description 4
- 235000019252 potassium sulphite Nutrition 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- 238000002715 modification method Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000052 comparative effect Effects 0.000 description 48
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 29
- 229910000831 Steel Inorganic materials 0.000 description 24
- 239000010959 steel Substances 0.000 description 24
- 238000005260 corrosion Methods 0.000 description 13
- 230000007797 corrosion Effects 0.000 description 12
- 230000002401 inhibitory effect Effects 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- IFPMZBBHBZQTOV-UHFFFAOYSA-N 1,3,5-trinitro-2-(2,4,6-trinitrophenyl)-4-[2,4,6-trinitro-3-(2,4,6-trinitrophenyl)phenyl]benzene Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(C=2C(=C(C=3C(=CC(=CC=3[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)C(=CC=2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)=C1[N+]([O-])=O IFPMZBBHBZQTOV-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- QBLDFAIABQKINO-UHFFFAOYSA-N barium borate Chemical compound [Ba+2].[O-]B=O.[O-]B=O QBLDFAIABQKINO-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 2
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of antirust agents, and particularly relates to a high-temperature-resistant antirust agent and a preparation method thereof. The invention provides a high-temperature-resistant antirust agent, which comprises the following raw materials, by weight, 20-35 parts of citric acid; 8-15 parts of sulfite; 2-6 parts of high-temperature resistant material; 6-9 parts of ethylene diamine tetraacetic acid disodium salt; 2-4 parts of a penetrating agent; 2-4 parts of a film forming agent; 5-10 parts of deionized water. According to the invention, the antirust agent in the antirust paint is modified, so that the antirust paint has a high-temperature resistant effect when no high-temperature resistant material is added, and the antirust effect of the antirust agent is superior to that of the traditional high-temperature resistant antirust paint.
Description
Technical Field
The invention belongs to the technical field of antirust agents, and particularly relates to a high-temperature-resistant antirust agent and a preparation method thereof.
Background
The rust inhibitive paint is a paint which can protect the metal surface from chemical or electrochemical corrosion of the atmosphere, seawater, etc., and the rust inhibitive paint used is roughly oil-based or water-based. Oily rust-proof paint makes it difficult to remove greasy on the surface of materials, and is rarely used. The water-based antirust paint is prepared by using water as a dispersion medium and utilizing multiple antirust mechanisms such as physics, chemistry and the like according to chemical transformation, complexation and reaction and other chemical principles, and is an optimal replacement product of the traditional antirust primer. The paint is widely applied to the anticorrosion protection of various automobiles, ships, net racks, machinery manufacturing, containers, railways, bridges, boilers, steel structures, petrochemical equipment and the like, and is incomparable with solvent-based paints.
The prior art discloses a water-based high-temperature-resistant flame-retardant antirust paint which comprises the following components in percentage by weight, silicone-acrylic emulsion, water, sodium polyacrylate, sodium hexametaphosphate, a mildew-proof bactericide, an antirust agent, alcohol ester dodeca, triethanolamine, a flame retardant, aluminum tripolyphosphate, titanium stone powder, magnet powder, mica powder, barium metaborate, silica sol, potassium silicate, a defoaming agent and a flatting agent.
However, the high-temperature resistant antirust paint in the prior art has a high-temperature resistant function by adding high-temperature resistant materials, but the antirust agent itself is not improved.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of overcoming the defects that the high-temperature-resistant antirust paint in the prior art has a high-temperature-resistant function by adding high-temperature-resistant materials, but the antirust agent is not improved, and thus, the high-temperature-resistant antirust agent and the preparation method thereof are provided.
Therefore, the invention provides the following technical scheme,
the invention provides a high-temperature-resistant antirust agent which comprises the following raw materials in parts by weight,
optionally, the sulfite is one or more of sodium sulfite, zinc sulfite and potassium sulfite.
Optionally, the high-temperature resistant material is a mixture of nitride and carbide;
and/or the mass ratio of the nitride to the carbide is (1-3): (1-3).
Optionally, the nitride is one or more of silicon nitride and boron nitride;
and/or the carbide is one or more of boron carbide and silicon carbide.
Optionally, the penetrant is one or more of modified castor oil and vinyl ether;
and/or the film-forming agent is an acrylic resin film-forming agent and a butadiene resin film-forming agent.
Optionally, the antirust agent comprises the following raw materials in parts by weight,
the invention also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing, grinding and sieving the high-temperature resistant material, and adding the crushed and sieved high-temperature resistant material into deionized water;
s2: adding disodium ethylene diamine tetraacetate into the mixture obtained in the step S1 for modification to obtain a modified high-temperature-resistant solution;
s3: adding citric acid and sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring;
s4: and (4) adding the penetrating agent and the film forming agent into the solution obtained in the step S3, stirring and filtering to obtain the high-temperature-resistant antirust agent.
Alternatively, the modification method in step S2 includes the steps of,
the mixture of the disodium ethylene diamine tetraacetate and the S1 is subjected to ultrasonic dispersion and then heated at the temperature of 300 ℃ and 600 ℃.
Optionally, the ultrasonic dispersion time is 1-2 h;
and/or the heating time is 12-24 h.
Alternatively, the production method satisfies at least one of the following (1) to (X),
(1) the grinding time is 10-30 min;
(2) the sieved screen mesh is 50-150 meshes;
(3) the mixing and stirring time is 20-60 min;
(4) the stirring speed of the mixing and stirring is 20-50 r/min;
(5) the stirring time is 3-8 h;
(6) the stirring speed is 5-30 r/min;
(7) the filter screen for filtering is 300 meshes and 800 meshes.
The technical proposal provided by the invention has the advantages that,
1. the invention provides a high-temperature-resistant antirust agent, which comprises the following raw materials, by weight, 20-35 parts of citric acid; 8-15 parts of sulfite; 2-6 parts of high-temperature resistant material; 6-9 parts of ethylene diamine tetraacetic acid disodium salt; 2-4 parts of a penetrating agent; 2-4 parts of a film forming agent; 5-10 parts of deionized water. According to the invention, the antirust agent in the antirust paint is modified, so that the antirust paint has a high-temperature resistant effect when no high-temperature resistant material is added, and the antirust effect of the antirust agent is superior to that of the traditional high-temperature resistant antirust paint.
2. The invention also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps of S1: crushing, grinding and sieving the high-temperature resistant material, and adding the crushed and sieved high-temperature resistant material into deionized water; s2: adding disodium ethylene diamine tetraacetate into the mixture obtained in the step S1 for modification to obtain a modified high-temperature-resistant solution; s3: adding citric acid and sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring; s4: and (4) adding the penetrating agent and the film forming agent into the solution obtained in the step S3, stirring and filtering to obtain the high-temperature-resistant antirust agent. According to the method for preparing the antirust agent, the high-temperature resistant material is modified by the disodium ethylene diamine tetraacetate, so that the high-temperature resistance of the high-temperature resistant material is further improved, and the prepared high-temperature resistant antirust agent has a more excellent antirust effect compared with the traditional antirust paint.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
30kg of citric acid, 10kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 10kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 2
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
30kg of citric acid, 10kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 2kg of silicon nitride and 3kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 10kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film-forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 3
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
30kg of citric acid, 10kg of sodium sulfite, 5kg of high-temperature resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of vinyl ether, 3kg of butadiene resin film forming agent and 8kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then 8kg of disodium ethylene diamine tetraacetate is added into the mixture obtained in the step S1 for ultrasonic dispersion for 1h, and then the mixture is heated at 500 ℃ for 20h to obtain a modified high temperature resistant solution;
s3: adding 30kg of citric acid and 10kg of sodium sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of vinyl ether and 3kg of butadiene resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 4
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
30kg of citric acid, 10kg of potassium sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of boron nitride and 2kg of silicon carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of boron nitride and 2kg of silicon carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 10kg of potassium sulfite into the high-temperature-resistant solution obtained in the step S2, mixing and stirring for 50min, wherein the stirring speed is 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 5
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
35kg of citric acid, 8kg of zinc sulfite, 6kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 3kg of boron carbide), 6kg of disodium ethylene diamine tetraacetate, 4kg of modified castor oil, 2kg of acrylic resin film-forming agent and 10kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 6kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 3kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 10kg of deionized water;
s2: then 6kg of disodium ethylene diamine tetraacetate is added into the mixture obtained in the step S1 for ultrasonic dispersion for 1h, and then the mixture is heated at 500 ℃ for 20h to obtain a modified high-temperature resistant solution;
s3: adding 35kg of citric acid and 8kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 4kg of modified castor oil and 2kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 6
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
20kg of citric acid, 15kg of zinc sulfite, 2kg of high-temperature-resistant material (consisting of 1kg of silicon nitride and 1kg of boron carbide), 9kg of disodium ethylene diamine tetraacetate, 2kg of modified castor oil, 4kg of acrylic resin film-forming agent and 5kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: 2kg of high-temperature resistant material (consisting of 1kg of silicon nitride and 1kg of boron carbide) is crushed and ground for 20min, and is added into 5kg of deionized water after being sieved by a 100-mesh sieve;
s2: then adding 9kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 20kg of citric acid and 15kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, mixing and stirring for 50min, wherein the stirring speed is 30 r/min;
s4: and adding 2kg of modified castor oil and 4kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Example 7
The embodiment provides a high-temperature-resistant antirust agent, which comprises the following raw materials by weight,
30kg of citric acid, 10kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The embodiment also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: adding 30kg of citric acid, 10kg of zinc sulfite and 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, mixing and stirring for 50min, wherein the stirring speed is 30 r/min;
s3: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S2, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Comparative example 1
The comparative example provides a production method of water-based high-temperature-resistant flame-retardant antirust paint
30kg of silicone-acrylic emulsion, 16kg of water, 0.4kg of sodium polyacrylate, 0.2kg of sodium hexametaphosphate, 0.2kg of mildew-proof bactericide, 0.3kg of antirust agent, 2kg of alcohol ester dodeca, 1.5kg of triethanolamine, 6kg of flame retardant, 4kg of aluminum tripolyphosphate, 9kg of titanium powder, 9kg of magnet powder, 4kg of mica powder, 9kg of barium metaborate, 4kg of silica sol, 4kg of potassium silicate and 0.2kg of defoaming agent, 0.2kg of flatting agent 0.2 are mixed, stirred and subjected to impurity removal through a physical method to obtain the water-based high-temperature-resistant flame-retardant antirust paint.
Comparative example 2
The comparative example provides a high temperature resistant rust inhibitor, comprising the following raw materials by weight,
50kg of citric acid, 10kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The comparative example also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 50kg of citric acid and 10kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Comparative example 3
The comparative example provides a high temperature resistant rust inhibitor, comprising the following raw materials by weight,
30kg of citric acid, 20kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The comparative example also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 20kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Comparative example 4
The comparative example provides a high temperature resistant rust inhibitor, comprising the following raw materials by weight,
30kg of citric acid, 10kg of zinc sulfite, 10kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 8kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The comparative example also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 10kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 8kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 10kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Comparative example 5
The comparative example provides a high temperature resistant rust inhibitor, comprising the following raw materials by weight,
30kg of citric acid, 10kg of zinc sulfite, 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide), 20kg of disodium ethylene diamine tetraacetate, 3kg of modified castor oil, 3kg of acrylic resin film-forming agent and 8kg of deionized water.
The comparative example also provides a preparation method of the high-temperature-resistant antirust agent, which comprises the following steps,
s1: crushing and grinding 5kg of high-temperature-resistant material (consisting of 3kg of silicon nitride and 2kg of boron carbide) for 20min, sieving with a 100-mesh sieve, and adding into 8kg of deionized water;
s2: then adding 20kg of disodium ethylene diamine tetraacetate into the mixture obtained in the step S1, performing ultrasonic dispersion for 1h, and heating at 500 ℃ for 20h to obtain a modified high-temperature-resistant solution;
s3: adding 30kg of citric acid and 10kg of zinc sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring for 50min at the stirring speed of 30 r/min;
s4: and adding 3kg of modified castor oil and 3kg of acrylic resin film forming agent into the solution obtained in the step S3, stirring for 5 hours (the stirring speed is 20r/min), and filtering (the filter screen is 500 meshes) to obtain the high-temperature-resistant antirust agent.
Test example 1
The rust inhibitors or rust inhibitive paints prepared in examples 1 to 7 and comparative examples 1 to 5 were subjected to a high temperature resistance test,
the high-temperature resistance test method comprises the following steps: 60 steel plates of the same size and made of Q235B are respectively soaked in the rust inhibitors or the rust inhibiting paints prepared in examples 1 to 7 and comparative examples 1 to 5 for 5min, the surfaces of the steel plates in examples 1 to 7 and comparative examples 1 to 5 have 4 steel plates with the rust inhibitors or the rust inhibiting paints and then are marked, the steel plates in example 1 are marked with the numbers of A1, A2, A3 and A4, the steel plates in example 2 are marked with the numbers of B1, B2, B3 and B4, the steel plates in example 3 are marked with the numbers of C1, C2, C3 and C4, the steel plates in example 4 are marked with the numbers of D1, D2, D3 and D3, the steel plates in example 5 are marked with E3, E3, E3 and E3, the steel plates in example 6 are marked with the numbers of F3, F3, F3, F3 and F3, the steel plates in example 7 are marked with the numbers of G3, G3, G3, the steel plates in example 1, the steel plates in comparative example 4, the comparative example 3 are marked with the numbers of J3, the comparative examples J3, the numbers of J3, the comparative examples J3, the comparative examples are marked with the numbers of J3, the comparative examples of J3, the comparative examples of J3, the comparative examples of J3, the comparative examples of J3, the comparative examples of J3, the J3 of 3, the J3 of J3, the J3 of J3 of J3 of 3, the J3 of J3, the comparative examples of J3 of 3, the J3 of 3, the comparative examples of 3, the J3 of 3, the J3 of 3, the J3 of 3, the comparative examples of 3 of, k2, K3, K4, reference numbers L1, L2, L3, L4 for comparative example 5. The steel sheets of examples 1 to 7 and comparative examples 1 to 5, numbered after 1, were subjected to corrosion at 25 c, the steel sheets of examples 1 to 7 and comparative examples 1 to 5, numbered after 2, were subjected to corrosion at 100 c for 30d, the steel sheets of examples 1 to 7 and comparative examples 1 to 5, numbered after 3, were subjected to corrosion at 200 c for 30d, and the steel sheets of examples 1 to 7 and comparative examples 1 to 5, numbered after 4, were subjected to corrosion at 300 c for 30 d. The steel plate was observed for the occurrence of significant rusting. It is noted at which temperatures rust occurred for both examples 1-7 and comparative examples 1-5.
The corrosion method comprises the following steps: the etching method was carried out by an accelerated etching method disclosed in patent document No. CN1235031C, in addition to the ambient temperature.
The specific test results are as follows:
| temperature of rusting | |
| Example 1 | Is free of |
| Example 2 | Is free of |
| Example 3 | Is free of |
| Example 4 | Is free of |
| Example 5 | Is free of |
| Example 6 | Is free of |
| Example 7 | 300℃ |
| Comparative example 1 | 300℃ |
| Comparative example 2 | 200℃、300℃ |
| Comparative example 3 | 200℃、300℃ |
| Comparative example 4 | 200℃、300℃ |
| Comparative example 5 | 200℃、300℃ |
And (4) conclusion: as can be seen from the above table, the rust inhibitor prepared by the invention can play a role in rust inhibition even under high temperature (300 ℃). The ethylene diamine tetraacetic acid is adopted to modify the high-temperature resistant material, so that the high-temperature resistance of the high-temperature resistant material is further improved.
Test example 2
The rust inhibitors or rust inhibitive paints prepared in examples 1 to 7 and comparative examples 1 to 5 were subjected to an anti-corrosion test,
the corrosion resistance test method comprises the following steps: 12 steel plates with the same size and Q235B material quality are respectively placed in the antirust agents or the antirust paints prepared in the examples 1-7 and the comparative examples 1-5 to be soaked for 5min, and then accelerated corrosion is carried out by simulating a laboratory accelerated corrosion method. The time to start corrosion of the steel sheet was recorded.
The method for accelerating the corrosion in the laboratory comprises the following steps: the etching was carried out by the accelerated etching method disclosed in patent document No. CN 1235031C.
The steel plate corrosion initiation time standard is the time at which significant rusting on a steel plate occurs and the steel plate starts to corrode.
The specific test results are as follows:
| time to start corrosion of steel plate (d) | |
| Example 1 | 60 |
| Example 2 | 58 |
| Example 3 | 53 |
| Example 4 | 55 |
| Example 5 | 51 |
| Example 6 | 56 |
| Example 7 | 48 |
| Comparative example 1 | 45 |
| Comparative example 2 | 43 |
| Comparative example 3 | 41 |
| Comparative example 4 | 42 |
| Comparative example 5 | 43 |
And (4) conclusion: through the tables, the antirust effect of the antirust agent provided by the invention is obviously improved compared with that of the antirust agent in the prior art, and the prepared high-temperature-resistant antirust agent has more excellent antirust effect compared with the traditional antirust paint by modifying the high-temperature-resistant material with the disodium ethylene diamine tetraacetate.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A high-temperature-resistant antirust agent is characterized by comprising the following raw materials in parts by weight,
2. the high temperature resistant rust inhibitor of claim 1, wherein the sulfite is one or more of sodium sulfite, zinc sulfite, and potassium sulfite.
3. The high temperature resistant rust inhibitor of claim 1 or 2 wherein the high temperature resistant material is a mixture of nitride and carbide;
and/or the mass ratio of the nitride to the carbide is (1-3): (1-3).
4. The high-temperature-resistant antirust agent according to claim 3, wherein said nitride is one or more of silicon nitride and boron nitride;
and/or the carbide is one or more of boron carbide and silicon carbide.
5. The high-temperature-resistant antirust agent according to any one of claims 1 to 4, wherein the penetrant is one or more of modified castor oil and vinyl ether;
and/or the film-forming agent is an acrylic resin film-forming agent and a butadiene resin film-forming agent.
6. The high-temperature-resistant antirust agent according to any one of claims 1 to 5, wherein the antirust agent comprises the following raw materials in parts by weight,
7. a method for preparing the high temperature resistant rust inhibitor according to any one of claims 1 to 6, characterized by comprising the steps of,
s1: crushing, grinding and sieving the high-temperature resistant material, and adding the crushed and sieved high-temperature resistant material into deionized water;
s2: adding disodium ethylene diamine tetraacetate into the mixture obtained in the step S1 for modification to obtain a modified high-temperature-resistant solution;
s3: adding citric acid and sulfite into the high-temperature-resistant solution obtained in the step S2, and mixing and stirring;
s4: and adding the penetrating agent and the film forming agent into the solution obtained in the step S3, stirring and filtering to obtain the high-temperature-resistant antirust agent.
8. The method for preparing a high temperature resistant rust inhibitor according to claim 7, wherein the modification method in step S2 comprises the steps of,
after the mixture of the disodium ethylenediamine tetraacetate and the S1 is subjected to ultrasonic dispersion, the mixture is heated at the temperature of 300-600 ℃.
9. The method for preparing the high-temperature-resistant antirust agent according to claim 8, wherein the ultrasonic dispersion time is 1-2 h;
and/or the heating time is 12-24 h.
10. The method for producing a high-temperature-resistant rust inhibitor according to any one of claims 7 to 9, characterized in that the production method satisfies at least one of the following (1) to (X),
(1) the grinding time is 10-30 min;
(2) the sieved screen mesh is 50-150 meshes;
(3) the mixing and stirring time is 20-60 min;
(4) the stirring speed of the mixing and stirring is 20-50 r/min;
(5) the stirring time is 3-8 h;
(6) the stirring speed is 5-30 r/min;
(7) the filter screen for filtering is 300 meshes and 800 meshes.
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