CN117625027A - High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof - Google Patents

High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof Download PDF

Info

Publication number
CN117625027A
CN117625027A CN202311737278.2A CN202311737278A CN117625027A CN 117625027 A CN117625027 A CN 117625027A CN 202311737278 A CN202311737278 A CN 202311737278A CN 117625027 A CN117625027 A CN 117625027A
Authority
CN
China
Prior art keywords
weight
parts
component
corrosion inhibitor
mica powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311737278.2A
Other languages
Chinese (zh)
Other versions
CN117625027B (en
Inventor
杨国嬴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shangqingyuan Electric Power Technology Co ltd
Original Assignee
Shandong Guancai Packaging Printing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Guancai Packaging Printing Co ltd filed Critical Shandong Guancai Packaging Printing Co ltd
Priority to CN202311737278.2A priority Critical patent/CN117625027B/en
Publication of CN117625027A publication Critical patent/CN117625027A/en
Application granted granted Critical
Publication of CN117625027B publication Critical patent/CN117625027B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • 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
    • C09D123/00Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/18Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C09D123/20Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C09D123/22Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D5/18Fireproof paints including high temperature resistant 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
    • 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
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Paints Or Removers (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention relates to a high-strength corrosion inhibitor for a chemical bucket for ocean transportation, belonging to the technical field of corrosion inhibition of metal materials. The invention relates to a high-strength chemical bucket corrosion inhibitor for ocean transportation, which comprises a component A and a component B, wherein the component A comprises 0.3-0.8 part by weight of modified mica powder, 5-10 parts by weight of hydroxyethyl gleditsia sinensis lam, 3-8 parts by weight of polyisobutene and 1-3 parts by weight of epoxidized soybean oil; the component B comprises 20-40 parts by weight of modified polyurethane, 10-20 parts by weight of alkyd resin, 3-8 parts by weight of titanium oxide, 1-5 parts by weight of polyphosphate, 5-9 parts by weight of dimethylethanolamine and 2-8 parts by weight of film forming auxiliary agent. The corrosion inhibitor is mainly used for chemical barrels of metal substrates, such as stainless steel chemical barrels, and can prolong the service life of the chemical barrels of metal substrates in marine environments and improve the corrosion resistance or corrosion inhibition performance of the chemical barrels of metal substrates.

Description

High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof
Technical Field
The invention belongs to the technical field of metal material corrosion inhibition, and relates to a high-strength chemical bucket corrosion inhibitor for ocean transportation and a preparation method thereof.
Background
Chemical drums are important containers for storing and transporting chemicals, and common chemical drum materials include High Density Polyethylene (HDPE), polypropylene (PP), and stainless steel. HDPE has excellent corrosion resistance and sealing performance, and is suitable for storing acid-base chemicals. PP has higher chemical resistance and high temperature resistance, and is suitable for storing corrosive substances and high-temperature liquid. Stainless steel has excellent corrosion resistance and strength, and is suitable for storing chemicals such as high pressure, high temperature or organic solvents.
The chemical bucket is generally corroded by marine environment in the marine transportation process, and particularly the stainless steel chemical bucket for metals and the like. Compared with natural environments such as land atmosphere, soil and the like, the marine environment is most severely corroded. The seawater contains a large amount of salt compounds of sodium chloride, potassium, bromine, iodine and other trace elements, and meanwhile, the seawater contains sufficient oxygen, which are all important factors for causing corrosion of metals such as carbon steel, alloy steel and the like. At the same time, the periodically varying sea water temperature also causes the corrosion rate of the metal to increase as the sea water temperature increases. In addition, the seawater is rich in a plurality of microelements and nutrient salts, so that marine organisms are easy to reproduce, further the corrosion of metal materials is accelerated, and even the corrosion behavior and mechanism of the metal are changed.
To date, in order to inhibit corrosion of metals in marine environments, a number of effective measures have been developed to extend the useful life of stainless steel barrels in marine environments. As a simple, convenient and efficient treatment measure to avoid corrosion, anticorrosive coatings have been widely used for metal corrosion protection in marine environments.
Disclosure of Invention
The invention mainly aims to provide an anti-corrosion inhibitor which is mainly used for a chemical barrel of a metal substrate, so that the service life of the chemical barrel of the metal substrate in a marine environment is prolonged, and the anti-corrosion and corrosion inhibition performances of the chemical barrel of the metal substrate are improved.
The invention adopts the following technical scheme to realize the purposes:
the chemical barrel corrosion inhibitor for high-strength marine transportation comprises a component A and a component B, wherein the component A comprises 0.3-0.8 part by weight of modified mica powder, 5-10 parts by weight of hydroxyethyl gleditsia sinensis lam, 3-8 parts by weight of polyisobutene and 1-3 parts by weight of epoxidized soybean oil; the component B comprises 20-40 parts by weight of modified polyurethane, 10-20 parts by weight of alkyd resin, 3-8 parts by weight of titanium oxide, 1-5 parts by weight of polyphosphate, 5-9 parts by weight of dimethylethanolamine and 2-8 parts by weight of film forming additive.
Further, the chemical bucket anti-corrosion inhibitor comprises a component A and a component B, wherein the component A comprises 0.5-0.7 part by weight of modified mica powder, 6-8 parts by weight of hydroxyethyl gleditsia sinensis lam, 4-7 parts by weight of polyisobutene and 1-3 parts by weight of epoxidized soybean oil; the component B comprises 30-35 parts by weight of modified polyurethane, 12-16 parts by weight of alkyd resin, 3-8 parts by weight of titanium oxide, 2-4 parts by weight of polyphosphate, 5-7 parts by weight of dimethylethanolamine and 3-6 parts by weight of film forming additive.
The preparation method of the modified mica powder comprises the following steps: mixing mica powder with butyl acrylate, adding potassium persulfate and phenyl trimethoxy silane under stirring, reacting at 110-120 ℃ for 1-3h, adding maleic anhydride and polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1-3h at 60-70 ℃, filtering, washing and drying to obtain modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: dissolving isocyanate in polyol, slowly adding graphene oxide and dibutyltin dilaurate into the polyol under the protection of nitrogen, and heating and stirring the mixture at 50-60 ℃ to obtain a prepolymer; adding dihydroxymethylpropanoic acid, citric acid butyrate and methyltriethoxysilane into the prepolymer, heating to 100-120 ℃, and reacting for 0.5-1h to obtain the modified polyurethane.
The film forming auxiliary agent in the chemical bucket corrosion inhibitor is one or a combination of more of ethylene glycol monobutyl ether, N-methyl pyrrolidone, ethylene glycol phenyl ether, diacetone alcohol, alcohol ester twelve and propylene glycol butyl ether; the polyalcohol is one or more of sorbitol, trimethylolethane and glycerol.
Further, in the preparation method of the modified mica powder, the mass ratio of the mica powder to the butyl acrylate to the potassium persulfate to the phenyl trimethoxysilane to the maleic anhydride to the polyvinyl alcohol is (20-30), the mass ratio of the mica powder to the polyvinyl alcohol is (60-90), the mass ratio of the mica powder to the polyvinyl alcohol to the maleic anhydride to the polyvinyl alcohol to the modified mica powder to the potassium persulfate to the polyvinyl alcohol to the modified mica powder to the 1-5.
In the preparation method of the modified polyurethane, the mass ratio of isocyanate to polyol to graphene oxide to dibutyl tin dilaurate to dihydroxymethylpropionic acid to citric acid butyrate to methyltriethoxysilane is (40-60), the mass ratio of (30-50) to (2-5) to (0.3-0.8) to (1-2) to (0.5-1) to (3-6).
The invention also provides a preparation method of the chemical bucket anti-corrosion inhibitor, which mainly comprises the following steps:
step 1, preparing a component A, namely dispersing polyisobutylene and epoxidized soybean oil for 20-30min at the rotation speed of 200-300 rpm, adding modified mica powder, dispersing for 40-60min at 400-500 rpm, finally adding hydroxyethyl gleditsia sinensis lam, dispersing for 30-40min at 200-300 rpm, and filtering to obtain the component A;
step 2, preparing the component B, namely dispersing modified polyurethane, alkyd resin and dimethylethanolamine at 100-200 rpm for 10-20min, then adding titanium oxide and polyphosphate, continuously dispersing for 20-30min, finally adding a film forming auxiliary agent, dispersing for 20-30min, and filtering to obtain the component B.
The invention provides a use method of the anti-corrosion inhibitor, which comprises the following specific steps: the surface of a matrix material is degreased by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is (15-30): 3-8): 1000 in terms of g/g/mL; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
The invention has the following beneficial effects:
the component A and the component B are cooperated, so that the adhesive force of the anti-corrosion inhibitor to the metal substrate is enhanced, meanwhile, the anti-corrosion inhibitor has better antibacterial performance, inhibits the attachment of marine organisms, and has better salt spray resistance, artificial aging resistance and temperature change resistance, and the anti-corrosion inhibitor specifically comprises the following components:
1. the modified mica powder is adopted in the component A, the high temperature resistance of the modified mica powder is improved by carrying out surface modification on the mica powder, and meanwhile, the modified mica powder is synergistic with other components to realize the heat treatment repair capability of the corrosion inhibition coating, and the modified mica powder has better self-repair capability especially in a high-temperature marine environment and improves the protection effect of the modified mica powder on a metal substrate;
2. the polyurethane is used in the component B, and through proper modification of the polyurethane and formation of synergistic effect of other components in the component, the overall waterproof and water-resistant performances of the coating are improved, a waterproof layer with good performances is formed on the surface of the metal substrate, and the service life of the metal substrate in a marine environment is prolonged;
3. the A, B components in the corrosion inhibitor have better synergistic combination, so that the corrosion inhibitor has better tensile strength, tear resistance, impact resistance, wear resistance, hydrolysis resistance, antibacterial property, marine organism adhesion resistance and the like, can adapt to complex marine environments, has better stability in the marine environments, prolongs the service life, and has better protection effect on metal base materials.
Detailed Description
The present invention is further illustrated below with reference to specific examples, which are to be construed as merely illustrative of the invention and not limiting of its scope, as various equivalent modifications to the invention will fall within the scope of the claims of the application after reading the invention.
EXAMPLE 1 preparation of Corrosion inhibitor
Step 1, preparing a component A, namely dispersing 50g of polyisobutylene and 20g of epoxidized soybean oil at a rotation speed of 280 rpm for 25min, then adding 6g of modified mica powder, dispersing at 450 rpm for 55min, finally adding 15g of hydroxyethyl gleditsia sinensis lam, dispersing at 280 rpm for 35min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 330g of modified polyurethane, 130g of alkyd resin and 60g of dimethylethanolamine at 150 rpm for 15min, then adding 60g of titanium oxide and 30g of polyphosphate, continuing to disperse for 25min, finally adding 40g of ethylene glycol monobutyl ether, dispersing for 25min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 28g of mica powder with 75g of butyl acrylate, adding 8g of potassium persulfate and 3g of phenyl trimethoxy silane under stirring, reacting for 2 hours at 110 ℃, adding 14g of maleic anhydride and 3g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1 hour at 65 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: dissolving 50g of isocyanate in 35g of polyol, slowly adding 3g of graphene oxide and 0.5g of dibutyltin dilaurate into the mixture under the protection of nitrogen, and heating and stirring the mixture at 55 ℃ to obtain a prepolymer; adding 2g of dihydroxymethylpropanoic acid, 0.8g of citric acid butyrate and 5g of methyltriethoxysilane into the prepolymer, heating to 110 ℃, and reacting for 1h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 20:5:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
EXAMPLE 2 preparation of Corrosion inhibitor
Step 1, preparing a component A, namely dispersing 70g of polyisobutylene and 10g of epoxidized soybean oil at a rotation speed of 200 rpm for 20min, then adding 7g of modified mica powder, dispersing at 400 rpm for 40min, finally adding 30g of hydroxyethyl gleditsia sinensis lam, dispersing at 200 rpm for 30min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 350g of modified polyurethane, 160g of alkyd resin and 50g of dimethylethanolamine at 100 rpm for 10min, then adding 40g of titanium oxide and 40g of polyphosphate, continuing to disperse for 20min, finally adding 60g of N-methyl pyrrolidone, dispersing for 20min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 30g of mica powder with 60g of butyl acrylate, adding 10g of potassium persulfate and 2g of phenyl trimethoxy silane under stirring, reacting for 1h at 120 ℃, adding 15g of maleic anhydride and 1g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 3h at 60 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: 60g of isocyanate is dissolved in 30g of polyol, 5g of graphene oxide and 0.3g of dibutyltin dilaurate are slowly added into the polyol under the protection of nitrogen, and the mixture is heated and stirred at 50 ℃ to obtain a prepolymer; adding 2g of dihydroxymethylpropanoic acid, 0.5g of citric acid butyrate and 3g of methyltriethoxysilane into the prepolymer, heating to 120 ℃, and reacting for 0.5h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 15:3:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
EXAMPLE 3 preparation of Corrosion inhibitor
Step 1, preparing a component A, namely dispersing 40g of polyisobutylene and 30g of epoxidized soybean oil at a rotating speed of 300 rpm for 30min, then adding 5g of modified mica powder, dispersing at 500 rpm for 60min, finally adding 20g of hydroxyethyl gleditsia sinensis lam, dispersing at 300 rpm for 40min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 300g of modified polyurethane, 120g of alkyd resin and 70g of dimethylethanolamine at 200 r/min, then adding 70g of titanium oxide and 20g of polyphosphate, continuing to disperse for 30min, finally adding 30g of ethylene glycol phenyl ether, dispersing for 30min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 20g of mica powder with 90g of butyl acrylate, adding 5g of potassium persulfate and 5g of phenyl trimethoxy silane under stirring, reacting for 3 hours at 110 ℃, adding 10g of maleic anhydride and 5g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1 hour at 70 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: dissolving 40g of isocyanate in 50g of polyol, slowly adding 2g of graphene oxide and 0.8g of dibutyltin dilaurate into the mixture under the protection of nitrogen, and heating and stirring the mixture at 50-60 ℃ to obtain a prepolymer; adding 1g of dihydroxymethylpropanoic acid, 1g of citric acid butyrate and 6g of methyltriethoxysilane into the prepolymer, heating to 110 ℃, and reacting for 1h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 30:8:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
EXAMPLE 4 preparation of Corrosion inhibitor
Step 1, preparing a component A, namely dispersing 80g of polyisobutylene and 10g of epoxidized soybean oil at a rotation speed of 230 rpm for 20min, adding 8g of modified mica powder, dispersing at 420 rpm for 45min, finally adding 10g of hydroxyethyl gleditsia sinensis lam, dispersing at 220 rpm for 35min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 400g of modified polyurethane, 200g of alkyd resin and 90g of dimethylethanolamine at 180 rpm for 15min, then adding 30g of titanium oxide and 50g of polyphosphate, continuing to disperse for 30min, finally adding twelve 80g of alcohol ester, dispersing for 25min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 28g of mica powder with 75g of butyl acrylate, adding 8g of potassium persulfate and 3g of phenyl trimethoxy silane under stirring, reacting for 2 hours at 120 ℃, adding 14g of maleic anhydride and 3g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 2 hours at 65 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: 45g of isocyanate is dissolved in 35g of polyol, 3g of graphene oxide and 0.5g of dibutyltin dilaurate are slowly added into the polyol under the protection of nitrogen, and the mixture is heated and stirred at 55 ℃ to obtain a prepolymer; adding 2g of dihydroxymethylpropanoic acid, 0.8g of citric acid butyrate and 5g of methyltriethoxysilane into the prepolymer, heating to 100 ℃, and reacting for 1h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 25:5:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
EXAMPLE 5 preparation of Corrosion inhibitor
Step 1, preparing a component A, namely dispersing 30g of polyisobutylene and 30g of epoxidized soybean oil at a rotation speed of 280 rpm for 25min, adding 3g of modified mica powder, dispersing at 480 rpm for 50min, finally adding 25g of hydroxyethyl gleditsia sinensis lam, dispersing at 250 rpm for 40min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 200g of modified polyurethane, 100g of alkyd resin and 60g of dimethylethanolamine at 120 r/min, then adding 80g of titanium oxide and 10g of polyphosphate, continuing to disperse for 25min, finally adding 20g of diacetone alcohol, dispersing for 30min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 23g of mica powder with 80g of butyl acrylate, adding 5g of potassium persulfate and 4g of phenyl trimethoxy silane under stirring, reacting for 1h at 120 ℃, adding 12g of maleic anhydride and 1.5g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1h at 65 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: dissolving 55g of isocyanate in 45g of polyol, slowly adding 5g of graphene oxide and 0.7g of dibutyltin dilaurate into the mixture under the protection of nitrogen, and heating and stirring the mixture at 55 ℃ to obtain a prepolymer; adding 1.5g of dihydroxymethylpropanoic acid, 0.6g of citric acid butyrate and 4g of methyltriethoxysilane into the prepolymer, heating to 110 ℃, and reacting for 0.8h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 20:7:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
Comparative example 1 preparation of corrosion inhibitor
Step 1, preparing a component A, namely dispersing 50g of polyisobutylene and 20g of epoxidized soybean oil at a rotation speed of 280 rpm for 25min, then adding 6g of mica powder, dispersing at 450 rpm for 55min, finally adding 15g of hydroxyethyl gleditsia sinensis lam, dispersing at 280 rpm for 35min, and filtering to obtain the component A;
step 2, preparing a component B, namely dispersing 330g of polyurethane, 130g of alkyd resin and 60g of dimethylethanolamine at 150 rpm for 15min, then adding 60g of titanium oxide and 30g of polyphosphate, continuing to disperse for 25min, finally adding 40g of ethylene glycol monobutyl ether, dispersing for 25min, and filtering to obtain the component B.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 20:5:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
Comparative example 2 preparation of corrosion inhibitor
Step 1, preparing a component A, namely dispersing 50g of polyisobutylene and 20g of epoxidized soybean oil at the rotation speed of 280 revolutions per minute for 25 minutes, then adding 6g of modified mica powder, dispersing at the rotation speed of 450 revolutions per minute for 55 minutes, and filtering to obtain the component A;
step 2, preparing the component B, namely dispersing 330g of polyurethane, 130g of alkyd resin and 60g of dimethylethanolamine at 150 rpm for 15min, then adding 40g of ethylene glycol monobutyl ether, dispersing for 25min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 28g of mica powder with 75g of butyl acrylate, adding 8g of potassium persulfate and 3g of phenyl trimethoxy silane under stirring, reacting for 2 hours at 110 ℃, adding 14g of maleic anhydride and 3g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1 hour at 65 ℃, filtering, washing and drying to obtain the modified mica powder.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 20:5:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
Comparative example 3 preparation of corrosion inhibitor
Step 1, preparing a component A, namely dispersing 50g of polyisobutylene and 20g of epoxidized soybean oil at the rotation speed of 280 revolutions per minute for 25 minutes, then adding 6g of mica powder, dispersing at the rotation speed of 450 revolutions per minute for 55 minutes, and filtering to obtain the component A;
step 2, preparing the component B, namely dispersing 330g of polyurethane and 60g of dimethylethanolamine at 150 rpm for 15min, adding 60g of titanium oxide, continuously dispersing for 25min, finally adding 40g of ethylene glycol monobutyl ether, dispersing for 25min, and filtering to obtain the component B.
The preparation method of the modified mica powder comprises the following steps: mixing 28g of mica powder with 75g of butyl acrylate, adding 8g of potassium persulfate and 3g of phenyl trimethoxy silane under stirring, reacting for 2 hours at 110 ℃, adding 14g of maleic anhydride and 3g of polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1 hour at 65 ℃, filtering, washing and drying to obtain the modified mica powder.
The preparation method of the modified polyurethane comprises the following steps: dissolving 50g of isocyanate in 35g of polyol, slowly adding 3g of graphene oxide and 0.5g of dibutyltin dilaurate into the mixture under the protection of nitrogen, and heating and stirring the mixture at 55 ℃ to obtain a prepolymer; adding 2g of dihydroxymethylpropanoic acid, 0.8g of citric acid butyrate and 5g of methyltriethoxysilane into the prepolymer, heating to 110 ℃, and reacting for 1h to obtain the modified polyurethane.
The use method of the anti-corrosion inhibitor comprises the following steps: firstly, carrying out surface degreasing on a matrix material by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is 20:5:1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
Performance testing
1. Antibacterial property detection
The antibacterial effect of the anti-corrosion inhibitor provided by the invention on typical bacteria pseudomonas aeruginosa in marine environment is tested, and the specific operation is as follows: firstly, two stainless steel plates are welded in a high-frequency welding roll welding mode, and then the anti-corrosion inhibitors obtained in the examples 1-5 and the comparative examples 1-3 are coated on the stainless steel plates according to corresponding using methods to manufacture templates; and uniformly contacting staphylococcus aureus with the template by adopting a film pasting mode, culturing for 24 hours, measuring the number of viable bacteria on the template, and calculating the antibacterial rate of the anti-corrosion inhibitor.
Antibacterial ratio (%) = (number of surface active bacteria of stainless steel plate without corrosion inhibitor-number of surface active bacteria of stainless steel plate with corrosion inhibitor)/number of surface active bacteria of stainless steel plate without corrosion inhibitor multiplied by 100%
The results were as follows: the corrosion inhibitor obtained in examples 1-5 shows strong antibacterial performance, can obviously inhibit the propagation of bacteria in the sea including micrococcus represented by staphylococcus aureus on the surface of a metal substrate, prolongs the service life of the corrosion-resistant coating and the metal substrate, and has obviously better effect than the corrosion inhibitor obtained in comparative examples 1-3.
Table 1 results of antibacterial properties of stainless Steel sheets
Sample plate Corrosion inhibitor Antibacterial efficiency (%)
Blank stainless steel plate Without any means for 63.25
Sample plate 1 Example 1 99.86
Template 2 Example 2 99.79
Sample plate 3 Example 3 99.82
Template 4 Example 4 99.68
Template 5 Example 5 99.83
Template 6 Comparative example 1 93.24
Template 7 Comparative example 2 90.19
Template 8 Comparative example 3 91.85
2. Marine organism attachment sign
An attaching experiment is carried out by adopting typical cyanobacteria microcystis in a marine environment, and the method comprises the following specific operations: firstly, taking two stainless steel plates, welding by adopting a high-frequency welding roll welding mode, then culturing the microcystis, and taking out for an attaching experiment when the microcystis is in an index growth period; coating the anti-corrosion inhibitor obtained in the examples 1-5 and the comparative examples 1-3 on a stainless steel plate according to a corresponding using method to prepare a sample plate; the sample plate is submerged in the microcapsule algae seawater suspension, and the sample plate is placed in an incubator for culturing for 48 hours. After the sample plate is taken out, sterile artificial seawater is adopted for flushing, the microcystis attached to the surface is flushed, glutaraldehyde prepared from the artificial seawater is adopted for fixing, and the attached area of the microcystis on the sample plate is observed through an electron microscope.
The results were as follows: the anti-corrosion inhibitor obtained in the examples 1-5 can effectively inhibit the adhesion of marine organisms, especially the adhesion of algae such as blue algae which are common in the sea, especially the adhesion of microcystis is less at the welding position of stainless steel plates, and can effectively avoid the corrosion of metal substrates caused by the adhesion of algae, and the effect is obviously better than that of the anti-corrosion inhibitor obtained in the comparative examples 1-3.
Table 2 Marine organism attachment results for each stainless steel plate
3. Corrosion and abrasion resistance test
Firstly, two stainless steel plates are welded in a high-frequency welding roll welding mode, then the anti-corrosion inhibitor obtained in the examples 1-5 and the comparative examples 1-3 is coated on the surfaces of the stainless steel plates according to the corresponding using method, the coating thickness is about 0.3mm, and the stainless steel plates are cured for 10 days at 30 ℃ to respectively obtain templates, and the adhesion, flexibility, abrasion, artificial aging resistance, temperature change resistance and other tests are tested.
The results were as follows: the corrosion inhibitor prepared in the examples 1-5 has better adhesive force to stainless steel base materials, has better salt spray resistance, artificial aging resistance and temperature change resistance, has no foaming, rust, falling off and other phenomena at the welding position of the stainless steel plates, and has the effect obviously superior to that of the corrosion inhibitor prepared in the comparative examples 1-3.
Table 3 corrosion resistance and abrasion resistance test results of each stainless steel sheet

Claims (10)

1. The chemical barrel corrosion inhibitor for high-strength marine transportation comprises a component A and a component B, wherein the component A comprises 0.3-0.8 part by weight of modified mica powder, 5-10 parts by weight of hydroxyethyl gleditsia sinensis lam, 3-8 parts by weight of polyisobutene and 1-3 parts by weight of epoxidized soybean oil; the component B comprises 20-40 parts by weight of modified polyurethane, 10-20 parts by weight of alkyd resin, 3-8 parts by weight of titanium oxide, 1-5 parts by weight of polyphosphate, 5-9 parts by weight of dimethylethanolamine and 2-8 parts by weight of film forming additive.
2. The chemical bucket corrosion inhibitor according to claim 1, which comprises a component A and a component B, wherein the component A comprises 0.5-0.7 part by weight of modified mica powder, 6-8 parts by weight of hydroxyethyl gleditsia sinensis lam, 4-7 parts by weight of polyisobutene and 1-3 parts by weight of epoxidized soybean oil; the component B comprises 30-35 parts by weight of modified polyurethane, 12-16 parts by weight of alkyd resin, 3-8 parts by weight of titanium oxide, 2-4 parts by weight of polyphosphate, 5-7 parts by weight of dimethylethanolamine and 3-6 parts by weight of film forming additive.
3. A chemical drum corrosion inhibitor as claimed in claim 1 or 2, wherein the modified mica powder in component a is prepared by the following method: mixing mica powder with butyl acrylate, adding potassium persulfate and phenyl trimethoxy silane under stirring, reacting at 110-120 ℃ for 1-3h, adding maleic anhydride and polyvinyl alcohol after the reaction is completed, uniformly mixing, preserving heat for 1-3h at 60-70 ℃, filtering, washing and drying to obtain modified mica powder.
4. The chemical drum corrosion inhibitor as claimed in claim 3, wherein the mass ratio of the mica powder to the butyl acrylate to the potassium persulfate to the phenyltrimethoxysilane to the maleic anhydride to the polyvinyl alcohol is (20-30) to (60-90) to (5-10) to (2-5) to (10-15) to (1-5).
5. The chemical drum corrosion inhibitor according to claim 1 or 2, wherein the preparation method of the modified polyurethane in the component B is as follows: dissolving isocyanate in polyol, slowly adding graphene oxide and dibutyltin dilaurate into the polyol under the protection of nitrogen, and heating and stirring the mixture at 50-60 ℃ to obtain a prepolymer; adding dihydroxymethylpropanoic acid, citric acid butyrate and methyltriethoxysilane into the prepolymer, heating to 100-120 ℃, and reacting for 0.5-1h to obtain the modified polyurethane.
6. The chemical drum corrosion inhibitor according to claim 5, wherein in the preparation method of the modified polyurethane, the mass ratio of isocyanate, polyol, graphene oxide, dibutyltin dilaurate, dihydroxymethylpropanoic acid, butyrate citrate and methyltriethoxysilane is (40-60): 30-50): 2-5): 0.3-0.8): 1-2): 0.5-1: 3-6.
7. The chemical drum corrosion inhibitor of claim 6, wherein the polyol is one or more of sorbitol, trimethylolethane and glycerol.
8. The chemical drum corrosion inhibitor according to claim 1 or 2, wherein the film forming auxiliary agent is one or more of ethylene glycol monobutyl ether, N-methyl pyrrolidone, ethylene glycol phenyl ether, diacetone alcohol, alcohol ester twelve and propylene glycol butyl ether.
9. The chemical drum corrosion inhibitor according to claim 1 or 2, wherein the preparation method of the corrosion inhibitor comprises the following steps:
step 1, preparing a component A, namely dispersing polyisobutylene and epoxidized soybean oil for 20-30min at the rotation speed of 200-300 rpm, adding modified mica powder, dispersing for 40-60min at 400-500 rpm, finally adding hydroxyethyl gleditsia sinensis lam, dispersing for 30-40min at 200-300 rpm, and filtering to obtain the component A;
step 2, preparing the component B, namely dispersing modified polyurethane, alkyd resin and dimethylethanolamine at 100-200 rpm for 10-20min, then adding titanium oxide and polyphosphate, continuously dispersing for 20-30min, finally adding a film forming auxiliary agent, dispersing for 20-30min, and filtering to obtain the component B.
10. The chemical drum corrosion inhibitor as claimed in claim 1 or 2, wherein the method for using the chemical drum corrosion inhibitor comprises the following steps: the surface of a matrix material is degreased by adopting a mixed aqueous solution of sodium carbonate and sodium silicate, wherein the mass volume ratio of the sodium carbonate to the sodium silicate to the water is (15-30): 3-8): 1000 in terms of g/g/ml; after the oil removal is finished, brushing the component A on the surface of the matrix material uniformly, and naturally curing; and then coating the component B on the surface of the matrix material in a spraying manner, and naturally solidifying to form an anti-corrosion and corrosion-inhibition layer.
CN202311737278.2A 2023-12-18 2023-12-18 High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof Active CN117625027B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311737278.2A CN117625027B (en) 2023-12-18 2023-12-18 High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311737278.2A CN117625027B (en) 2023-12-18 2023-12-18 High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof

Publications (2)

Publication Number Publication Date
CN117625027A true CN117625027A (en) 2024-03-01
CN117625027B CN117625027B (en) 2024-07-19

Family

ID=90030507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311737278.2A Active CN117625027B (en) 2023-12-18 2023-12-18 High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof

Country Status (1)

Country Link
CN (1) CN117625027B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015058684A1 (en) * 2013-10-21 2015-04-30 北京金汇利应用化工制品有限公司 Preparation method for waterborne anti-corrosion resin
CN105505094A (en) * 2015-12-30 2016-04-20 安徽安大华泰新材料有限公司 Corrosion and water resistant polyurethane coating
CN106905725A (en) * 2017-04-13 2017-06-30 志合山海(北京)科技有限公司 A kind of corrosion-inhibiting coating in application Yu Haiyang on metal-based layer and preparation method thereof
CN108384375A (en) * 2018-03-27 2018-08-10 占军 Environment-friendlyanti-corrosive anti-corrosive paint
CN109749583A (en) * 2019-01-29 2019-05-14 占军 Anticorrosion abrasion-resistant coating material and preparation method thereof
CN110564279A (en) * 2019-08-12 2019-12-13 顺缔高新材料江苏有限公司 ocean engineering anticorrosive polyurea coating and preparation method thereof
CN112592631A (en) * 2020-12-02 2021-04-02 湖南翰坤实业有限公司 Ocean corrosion-resistant nano aviation coating and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015058684A1 (en) * 2013-10-21 2015-04-30 北京金汇利应用化工制品有限公司 Preparation method for waterborne anti-corrosion resin
CN105505094A (en) * 2015-12-30 2016-04-20 安徽安大华泰新材料有限公司 Corrosion and water resistant polyurethane coating
CN106905725A (en) * 2017-04-13 2017-06-30 志合山海(北京)科技有限公司 A kind of corrosion-inhibiting coating in application Yu Haiyang on metal-based layer and preparation method thereof
CN108384375A (en) * 2018-03-27 2018-08-10 占军 Environment-friendlyanti-corrosive anti-corrosive paint
CN109749583A (en) * 2019-01-29 2019-05-14 占军 Anticorrosion abrasion-resistant coating material and preparation method thereof
CN110564279A (en) * 2019-08-12 2019-12-13 顺缔高新材料江苏有限公司 ocean engineering anticorrosive polyurea coating and preparation method thereof
CN112592631A (en) * 2020-12-02 2021-04-02 湖南翰坤实业有限公司 Ocean corrosion-resistant nano aviation coating and preparation method thereof

Also Published As

Publication number Publication date
CN117625027B (en) 2024-07-19

Similar Documents

Publication Publication Date Title
CN110564279B (en) Ocean engineering anticorrosive polyurea coating and preparation method thereof
CN102171294A (en) Antifouling coating composition, antifouling coating film formed using the composition, coated article having the coating film on the surface, and antifouling treatment method to form the coating film
CN102171293A (en) Antifouling coating composition, antifouling coating film formed from the composition, coated object having the coating film on surface, and method of antifouling by forming the coating film
KR102680739B1 (en) Antifouling composite coating film, antifouling substrate, and method for manufacturing antifouling substrate
CN108611647B (en) A kind of cleaning prefilming agent and the preparation method and application thereof
JPS5925843A (en) Seawater-resistant antifouling coating composition
CN106634705A (en) Anti-corrosive adhesive for ocean engineering, adhesive tape and preparation method
CN114921117B (en) Inorganic anticorrosive material and preparation method and application thereof
CN114231119B (en) Preparation method and application of anti-corrosion and anti-fouling integrated coating with self-repairing function
CN117625027B (en) High-strength chemical barrel corrosion inhibitor for ocean transportation and preparation method thereof
CN116622272B (en) Modified basalt flake @ ZIF-8-epoxy resin composite coating and preparation method thereof
CN113667376A (en) Formula of coating under wet and rusty condition
JPS63119880A (en) Method for coating rusty surface and coated object
JP2505301B2 (en) Heavy anticorrosion coated steel
CN110079170A (en) A kind of ship pollution prevention coating of painting under water and preparation method thereof
CN115058169A (en) MXene-based anticorrosive and antifouling composite coating and preparation method and application thereof
CN112745731B (en) Hyperbranched polymer-containing waterborne antifouling composite coating and preparation method thereof
JPH0566404B2 (en)
JPS61110545A (en) Rust-proof coated steel material
CN103952070B (en) Solvent-free polymeric type anticorrosive paint and preparation method thereof
CN113845844A (en) Composite anti-corrosion and anti-fouling treatment process for marine facilities, paint and preparation method
CN107130235B (en) Chromium-free chemical conversion coating treatment fluid for steel plate
CN116162408B (en) Organosilicon solvent-free waterproof anticorrosive paint and preparation method and application thereof
CN113583533B (en) Preparation method of sodium chloride modified double-layer composite coating with dual effects of antifouling and protection
JP2001172091A (en) Antifouling and degradation preventive agent for concrete structure, and method for antifouling and degradation prevention

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20240628

Address after: Room 1005-1007, Building 1, Ocean International Center, Gongshu District, Hangzhou City, Zhejiang Province, 310000

Applicant after: ZHEJIANG SHANGQINGYUAN ELECTRIC POWER TECHNOLOGY CO.,LTD.

Country or region after: China

Address before: 2nd Floor, Office Building 22, No. 4 Gongye South Road, Licheng District, Jinan City, Shandong Province, 250100

Applicant before: Shandong Guancai Packaging Printing Co.,Ltd.

Country or region before: China

GR01 Patent grant
GR01 Patent grant