CN112375463A - Environment-friendly high-solid-content heavy-duty anticorrosive paint for inner wall of storage tank and preparation method thereof - Google Patents

Environment-friendly high-solid-content heavy-duty anticorrosive paint for inner wall of storage tank and preparation method thereof Download PDF

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CN112375463A
CN112375463A CN202011356956.7A CN202011356956A CN112375463A CN 112375463 A CN112375463 A CN 112375463A CN 202011356956 A CN202011356956 A CN 202011356956A CN 112375463 A CN112375463 A CN 112375463A
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epoxy resin
scale
modified
solvent
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李庆宇
滕赟
刘宏宇
唐博
王凡
王佳妮
吴井龙
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Shenyang Research Institute of Chemical Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • C09D7/62Additives non-macromolecular inorganic modified by treatment with other compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/70Additives characterised by shape, e.g. fibres, flakes or microspheres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation

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Abstract

The invention relates to the field of anticorrosive coatings, and particularly relates to an environment-friendly high-solid-content heavy-duty anticorrosive coating for an inner wall of a storage tank and a preparation method thereof. 40-60 parts of scale, 15-20 parts of epoxy resin, 0.1-1 part of coupling agent, 10-15 parts of solvent and 5-10 parts of low molecular wax. The modified scale slurry obtained by the invention carries out surface modification on scales in a system through a coupling agent and low molecular wax, improves the compatibility of the scales and epoxy resin, and the coating obtained by utilizing the modified scale slurry has excellent chemical corrosion resistance, especially outstanding acid and alkali corrosion resistance, and can be used in strong corrosion environments such as acid and alkali. Has excellent ageing resistance, can be used for a long time and does not generate pulverization. Good temperature resistance, small thermal expansion coefficient and good wear resistance.

Description

Environment-friendly high-solid-content heavy-duty anticorrosive paint for inner wall of storage tank and preparation method thereof
Technical Field
The invention relates to the field of anticorrosive coatings, and particularly relates to an environment-friendly high-solid-content heavy-duty anticorrosive coating for an inner wall of a storage tank and a preparation method thereof.
Background
Traditional storage tank inner wall anticorrosive coating mostly adds the scale in the resin, wherein with epoxy coating many, the parallel arrangement forms labyrinth effect in the resin of scale, prolongs corrosive medium infiltration route, improves the anticorrosive ageing of product, but the scale is mostly inorganic material, and the difference of surface energy between with epoxy is too big, therefore the scale is difficult to homodisperse in epoxy, influences the anticorrosive effect and the life of coating.
And the traditional anticorrosive paint construction mode is to respectively coat a primer and an intermediate paint, so the construction mode is complicated, the construction period is long, and the improvement is urgently needed.
Disclosure of Invention
The invention provides an environment-friendly high-solid-content heavy-duty anticorrosive paint for the inner wall of a storage tank and a preparation method thereof, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the modified scale slurry comprises, by weight, 40-60 parts of scales, 15-20 parts of epoxy resin, 0.1-1 part of coupling agent, 10-15 parts of solvent and 5-10 parts of low molecular wax.
The scale is one or more of glass scale, mica iron oxide scale and graphite scale;
the glass flakes comprise one or more of 120-mesh medium-alkali glass flakes, 200-mesh medium-alkali glass flakes, 325-mesh medium-alkali glass flakes, 120-mesh borosilicate glass flakes, 200-mesh borosilicate glass flakes and 325-mesh borosilicate glass flakes.
The mica flake comprises one or more of dry white mica flake, wet white mica flake, phlogopite flake, sericite flake, biotite flake and synthetic mica flake.
The mica iron oxide scale comprises one or more of mica iron oxide ash scales and mica iron oxide red scales.
The graphite flakes comprise one or more of high-purity graphite flakes, high-carbon graphite flakes, medium-carbon graphite flakes and low-carbon graphite flakes.
The low molecular wax comprises one or more of polyamide wax, ethylene-vinyl acetate copolymer wax dispersion liquid, polyethylene wax, polytetrafluoroethylene wax, composite polyolefin compound and synthetic wax;
the coupling agent is one or more of silane coupling agent, titanate coupling agent and aluminate coupling agent;
the silane coupling agent comprises gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, gamma-aminopropylmethyldiethoxysilane, gamma-aminopropylsilanetriol, gamma-aminopropylmethyldimethoxysilane, N-phenyl-gamma-aminopropyltrimethoxysilane, N-beta- (aminoethyl) -gamma-aminopropylmethyldimethoxysilane, N-diethyl-3-aminopropyltrimethoxysilane, N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane, gamma-diethylenetriaminopropyltrimethoxysilane, gamma-diethylaminomethyltriethoxysilane, N-phenylaminomethyltriethoxysilane, bis- (gamma-trimethoxysilylpropyl) amine, One or more of bis (3-triethoxysilylpropyl) amine and hexamethyldisilazane.
The titanate coupling agent comprises one or more of tetraisopropyl di (dioctyl phosphite acyloxy) titanate, propyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate, isopropyl tri (dioctyl phosphate acyloxy) titanate, isopropyl trioleate acyloxy titanate, isopropyl tri (dodecyl benzene sulfonic acid) titanate, isopropyl tri (dioctyl pyrophosphate acyloxy) ethylene titanate, tetra-n-butyl titanate and tetra-isopropyl titanate, and preferably tetraisopropyl di (dioctyl phosphite acyloxy) titanate.
The aluminate coupling agent comprises one or more of (ethyl acetoacetate) diisopropyl aluminate, (acetylacetone) diisopropyl aluminate, isopropyl distearyl acyloxy aluminate, an aluminum-titanium compound and high-purity aluminate.
The epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and novolac epoxy resin;
the bisphenol A epoxy resin comprises one or more of PGE modified type, CGE modified type, AGE modified type and BGE modified type.
The bisphenol F type epoxy resin comprises one or more of BPA/BPF/AGE diluted type, standard type BPF resin and BPA/BPF mixed type.
The novolac epoxy resin comprises one or more of phenol novolac resin, methyl phenol novolac resin, tetrafunctional group novolac resin and solvent epoxy resin.
The solvent is one or more of toluene, xylene, ethanol, butanol, diacetone alcohol, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether, acetone, butanone and methyl isobutyl ketone.
The scale, the coupling agent and the epoxy resin are put in a solvent according to the proportion, the coupling agent is grafted on the surface of the glass scale in a chemical bond form to obtain stable modified scale, and then low molecular wax is added to obtain modified scale slurry.
A process for preparing modified scale slurry includes such steps as proportionally mixing scale, coupling agent and epoxy resin in solvent, grafting the coupling agent onto the surface of glass scale in chemical bond mode to obtain stable modified scale, and adding low-molecular wax to obtain modified scale slurry.
Further, according to the proportion, stirring the solvent, the epoxy resin and the scale for 40-50min at 20-25 ℃, dropwise adding the coupling agent into the dispersion under the protection of nitrogen, heating to 70-80 ℃ after dropwise adding, reacting for 4-4.5h, cooling to 20-25 ℃ after the reaction is finished, adding the low molecular wax, and dispersing for 10-20min to obtain the modified scale slurry.
An environment-friendly high-solid-content heavy-duty anticorrosive coating for the inner wall of a storage tank, which consists of A, B two components in a mass part ratio of 4-20: 1; the component A comprises, by mass, 100 parts of 20-30 parts of epoxy resin, 30-35 parts of the modified flake pulp of claim 1, 10-30 parts of pigment and filler, 8-12 parts of solvent A and 0-5 parts of auxiliary agent; the component B comprises 90-95 parts of curing agent and 0-5 parts of solvent B.
The epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and novolac epoxy resin; the pigment and filler is one or more of iron oxide red, zinc phosphate, zinc phosphomolybdate, aluminum tripolyphosphate, barium sulfate, calcium carbonate, talcum powder, bentonite, titanium white, calcium sulfate, aluminum sulfate, quartz powder, feldspar powder and silica micropowder; the solvent A and the solvent B can be the same or different and are selected from one or more of toluene, xylene, ethanol, butanol, diacetone alcohol, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether, acetone, butanone and methyl isobutyl ketone; the auxiliary agent is one or more of a defoaming agent, a wetting dispersant, a rheological auxiliary agent and an adhesion promoter;
the defoaming agent is one or more of a high molecular polymer defoaming agent, a modified polysiloxane defoaming agent and a hydrophobic particle-containing polysiloxane defoaming agent.
The wetting dispersant is one or more of a modified polysiloxane wetting agent, a high molecular weight carboxylic acid wetting agent, an electrically neutral polycarboxylic amine salt wetting agent, an acid-group-containing copolymer solution wetting agent, an anionic surfactant wetting agent, a polyurethane compound wetting agent, a modified alkyd type wetting agent and a modified acrylic polymer wetting agent.
The rheological additive is one or more of polysiloxane, modified polysiloxane, polyester modified polysiloxane, polyether modified organic siloxane, acrylate copolymer and fluorine modified polyacrylate copolymer.
The adhesion promoter is one or more of epoxy silane compound, amino silane compound, resin compound without polysiloxane, chlorinated polyolefin modified acrylic resin.
The curing agent is a phenolic aldehyde amine curing agent. The curing agent is one or more of aliphatic phenolic aldehyde amine curing agent, alicyclic phenolic aldehyde amine curing agent, aromatic phenolic aldehyde amine curing agent and polyether amine modified phenolic aldehyde amine curing agent.
The phenolic aldehyde amine curing agent is one or more of aliphatic phenolic aldehyde amine curing agent, alicyclic phenolic aldehyde amine curing agent, aromatic phenolic aldehyde amine curing agent and polyether amine modified phenolic aldehyde amine curing agent.
A preparation method of an environment-friendly high-solid-content heavy-duty anticorrosive coating on the inner wall of a storage tank comprises the following steps:
1) the preparation process of the component A comprises the following steps: uniformly dispersing the epoxy resin in the solvent A according to the proportion, adding the antirust filler, the inorganic filler and the auxiliary agent in the dispersing process, grinding for 40-50min, filtering, adding the modified flake pulp into the collected milk pulp, and dispersing for 10-20min to obtain a component A;
2) the preparation process of the component B comprises the following steps: dispersing polyamine curing agent in solvent B for 10-15min to obtain component B;
3) anticorrosive paint: when in use, the component A and the component B are composed according to the mass part ratio of 4-20: 1.
The invention has the advantages that:
the modified scale slurry obtained by the invention carries out surface modification on scales in a system through a coupling agent and low molecular wax, improves the compatibility of the scales and epoxy resin, improves the directional arrangement degree of the scales, enables the scales to be uniformly dispersed and arranged in parallel, and prolongs the permeation path of corrosive media.
The modified flake pulp is used for preparing the anticorrosive coating for the inner wall of the storage tank, and the anticorrosive coating prepared by the modified flake pulp and a specific system has higher solid content, low voc emission and environmental friendliness, so that the modified flakes can be better arranged and uniformly dispersed in resin, the anticorrosive capability of the coating is improved, and the anticorrosive aging of the product is improved.
The coating is thick paste type coating, can be formed at one time, saves construction time and cost, can adopt various construction modes such as brushing, roller coating, spraying and the like, and has flexible construction modes.
The coating has excellent chemical corrosion resistance, especially excellent acid and alkali corrosion resistance, and can be used in strong corrosion environments such as acid or alkali. Has excellent ageing resistance, can be used for a long time and does not generate pulverization. Good temperature resistance, small thermal expansion coefficient and good wear resistance.
Detailed Description
The technical solutions, the technical problems to be solved, the technical solutions and the beneficial effects in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and the described embodiments are only a part of the present invention, but not all embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Example 1
Preparing modified flake pulp:
adding 18 parts of dimethylbenzene and 4 parts of butanol, 20 parts of 6101 epoxy resin and 50 parts of 325-mesh medium-alkali glass flakes into a dry flask, stirring for 40min at 20 ℃, dripping 0.1 part of coupling agent HY401 into the flask under the protection of nitrogen, heating to 80 ℃ and reacting for 4 h. And after the reaction is finished, cooling to 25 ℃, adding 10 parts of low molecular wax, and dispersing for 15min to obtain the modified flake pulp.
Different modified flake pulps were prepared according to the parts of the materials used in the above preparation method, see table 1.
Preparing scale slurry:
adding 18 parts of dimethylbenzene, 4 parts of butanol, 20 parts of 6101 epoxy resin and 50 parts of glass flakes into a drying flask, stirring for 40min at the temperature of 20 ℃, and heating to 80 ℃ for reaction for 4 h. And after the reaction is finished, cooling to 25 ℃ to obtain the scale slurry.
Table 1 modified scale slurries 2-20 examples formulations table
Figure BDA0002802830060000041
Figure BDA0002802830060000051
Meanwhile, the scale slurry was used as a comparative example in which the glass scale was 325 mesh medium alkali glass scale (comparative example 1) and 800 mesh medium alkali glass scale (comparative example 2).
Preparing an environment-friendly high-solid-content heavy-duty anticorrosive coating on the inner wall of the storage tank:
the preparation process of the component A comprises the following steps: modified flake slurry is obtained according to the formula and the example in the table 1, 30 parts of resin is uniformly dispersed in a mixed solvent of 7 parts of xylene and 3 parts of butanol, the rotating speed is adjusted to 1500r/min, 1 part of bentonite 4611, 0.5 part of defoamer, a moderate 6800, 10 parts of RS11 iron oxide red, 5 parts of TP409 modified zinc phosphate, 8 parts of 800-mesh precipitated barium sulfate, 5 parts of 800-mesh talcum powder and 0.5 part of defoamer, a moderate 8629 are sequentially added, the mixture is dispersed for 15min, the mixture is ground to the fineness of less than 40 mu m by a sand mill, and the mixture is filtered. Respectively adding 30 parts of modified flake or comparative flake slurry (in the comparative example, the glass flake is 325 mesh medium-alkali glass flake (comparative example 1) and 800 mesh medium-alkali glass flake (comparative example 2)) obtained according to the formula and the example in the table 1, adding the mixture into grinding slurry for 1000r/min to disperse for 15min, and filtering to obtain the component A.
The preparation process of the component B comprises the following steps: 95 parts of polyamine epoxy curing agent 1305, 3.5 parts of dimethylbenzene and 1.5 parts of butanol are uniformly mixed at 1000r/min to obtain a component B.
According to the preparation steps of the modified flake slurry in the embodiment 1, the glass flake, the coupling agent and the low molecular wax are replaced according to the steps shown in the table 1, other steps in the reaction process are unchanged, and the component A and the component B are compounded according to the mass ratio of 5:1, so that the environment-friendly high-solid-content heavy-duty anticorrosive coating for the inner wall of the storage tank is obtained.
The obtained component A and the component B are uniformly mixed according to a proportion, coating is carried out on a standard test steel plate, after 7 days of maintenance, a salt spray resistance experiment is carried out according to a standard GB/T1771-2007, and a 10% hydrofluoric acid resistance, a 15% nitric acid resistance, a 20% hydrochloric acid resistance, a 25% sulfuric acid resistance, a 25% sodium hydroxide resistance, a gasoline resistance, a kerosene resistance, a diesel oil resistance, an ethanol resistance, a toluene resistance, a xylene resistance and a 10% NaCl resistance (60 ℃) experiment is carried out according to a standard GB/T9274-1988 (see table 2).
Table 2 examples 1-20 test data
Figure BDA0002802830060000061
TABLE 3 solvent resistance test data
Figure BDA0002802830060000062
Figure BDA0002802830060000071
As can be seen from tables 2 and 3, the salt spray resistance and acid and alkali resistance of the coating product using the modified flake slurry of the present invention are greatly improved compared with the product without the modified flake, and the examples 1, 4, 11 and 17 have better comprehensive performance, so that the addition of the modified flake improves the compatibility in the resin, makes the dispersion thereof more uniform, forms a labyrinth structure arranged in parallel, prolongs the time of the corrosive medium reaching the base material, and improves the corrosion protection effect.
The invention is not limited to the specific embodiments described above, and many variations can be made by those skilled in the art without inventive effort. All technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experimentation on the basis of the prior art by means of the inventive concept are intended to be within the scope of protection defined by the claims.

Claims (9)

1. A modified flake pulp is characterized in that: 40-60 parts of scale, 15-20 parts of epoxy resin, 0.1-1 part of coupling agent, 10-15 parts of solvent and 5-10 parts of low molecular wax.
2. The modified flake slurry of claim 1, wherein: the scale is one or more of glass scale, mica iron oxide scale and graphite scale; the low molecular wax comprises one or more of polyamide wax, ethylene-vinyl acetate copolymer wax dispersion liquid, polyethylene wax, polytetrafluoroethylene wax, composite polyolefin compound and synthetic wax; the coupling agent is one or more of silane coupling agent, titanate coupling agent and aluminate coupling agent; the epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and novolac epoxy resin; the solvent is one or more of toluene, xylene, ethanol, butanol, diacetone alcohol, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether, acetone, butanone and methyl isobutyl ketone.
3. Modified flake pulp according to claim 1 or 2, characterized in that: the scale, the coupling agent and the epoxy resin are put in a solvent according to the proportion, the coupling agent is grafted on the surface of the glass scale in a chemical bond form to obtain stable modified scale, and then low molecular wax is added to obtain modified scale slurry.
4. A method of preparing the modified flake slurry of claim 1, characterized in that: the scale, the coupling agent and the epoxy resin are put in a solvent according to the proportion, the coupling agent is grafted on the surface of the glass scale in a chemical bond form to obtain stable modified scale, and then the low molecular wax is added to obtain modified scale slurry.
5. A process for preparing a modified flake slurry of claim 4, wherein: according to the proportion, stirring the solvent, the epoxy resin and the scale for 40-50min at 20-25 ℃, dropwise adding the coupling agent into the dispersion under the protection of nitrogen, heating to 70-80 ℃ after dropwise adding, reacting for 4-4.5h, cooling to 20-25 ℃ after the reaction is finished, adding the low molecular wax, and dispersing for 10-20min to obtain the modified scale slurry.
6. An environment-friendly high-solid-content heavy-duty anticorrosive coating for inner walls of storage tanks is characterized in that: the environment-friendly high-solid-content heavy-duty anticorrosive paint on the inner wall of the storage tank consists of A, B two components in a mass part ratio of 4-20: 1; the component A comprises, by mass, 100 parts of 20-30 parts of epoxy resin, 30-35 parts of the modified flake pulp of claim 1, 10-30 parts of pigment and filler, 8-12 parts of solvent A and 0-5 parts of auxiliary agent; the component B comprises 90-95 parts of curing agent and 0-5 parts of solvent B.
7. The environment-friendly high-solid-content heavy-duty anticorrosive coating for the inner wall of the storage tank, according to claim 6, is characterized in that: the epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and novolac epoxy resin; the pigment and filler is one or more of iron oxide red, zinc phosphate, zinc phosphomolybdate, aluminum tripolyphosphate, barium sulfate, calcium carbonate, talcum powder, bentonite, titanium white, calcium sulfate, aluminum sulfate, quartz powder, feldspar powder and silica micropowder; the solvent A and the solvent B can be the same or different and are selected from one or more of toluene, xylene, ethanol, butanol, diacetone alcohol, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether, acetone, butanone and methyl isobutyl ketone; the auxiliary agent is one or more of a defoaming agent, a wetting dispersant, a rheological auxiliary agent and an adhesion promoter; the curing agent is a phenolic aldehyde amine curing agent.
8. The storage tank inner wall environment-friendly high-solid-content heavy-duty anticorrosive paint according to claim 7, characterized in that: the phenolic aldehyde amine curing agent is one or more of aliphatic phenolic aldehyde amine curing agent, alicyclic phenolic aldehyde amine curing agent, aromatic phenolic aldehyde amine curing agent and polyether amine modified phenolic aldehyde amine curing agent.
9. The preparation method of the environment-friendly high-solid-content heavy-duty anticorrosive coating for the inner wall of the storage tank, according to claim 6, is characterized by comprising the following steps:
1) the preparation process of the component A comprises the following steps: uniformly dispersing the epoxy resin in the solvent A according to the proportion, adding the antirust filler, the inorganic filler and the auxiliary agent in the dispersing process, grinding for 40-50min, filtering, adding the modified flake pulp into the collected milk pulp, and dispersing for 10-20min to obtain a component A;
2) the preparation process of the component B comprises the following steps: dispersing polyamine curing agent in solvent B for 10-15min to obtain component B;
3) anticorrosive paint: when in use, the component A and the component B are composed according to the mass part ratio of 4-20: 1.
CN202011356956.7A 2020-11-27 2020-11-27 Environment-friendly high-solid-content heavy-duty anticorrosive paint for inner wall of storage tank and preparation method thereof Pending CN112375463A (en)

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CN113831832A (en) * 2021-11-08 2021-12-24 铜陵有色金属集团铜冠建筑安装股份有限公司 Anticorrosive paint for inner wall of acid tank and construction method thereof
CN115286767A (en) * 2022-06-30 2022-11-04 海洋化工研究院有限公司 Antibacterial fluorine modified epoxy vinyl ester resin, preparation method thereof and multi-mechanism synergetic universal anticorrosive coating
CN115286767B (en) * 2022-06-30 2023-09-19 海洋化工研究院有限公司 Antibacterial fluorine modified epoxy vinyl ester resin, preparation method thereof and multi-mechanism synergistic general anti-corrosion coating
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