CN110437629A - It is a kind of for protecting the viscoplasticity anti-corrosion daub and preparation method of metal surface - Google Patents
It is a kind of for protecting the viscoplasticity anti-corrosion daub and preparation method of metal surface Download PDFInfo
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- CN110437629A CN110437629A CN201910769753.1A CN201910769753A CN110437629A CN 110437629 A CN110437629 A CN 110437629A CN 201910769753 A CN201910769753 A CN 201910769753A CN 110437629 A CN110437629 A CN 110437629A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention discloses a kind of for protecting the viscoplasticity anti-corrosion daub and preparation method of metal surface, belong to field of surface engineering technique, it includes phytic acid that it, which prepares raw material, gallic acid, polyaniline, wherein, the metal oxide or metal itself that phytic acid and gallic acid can be formed with metal surface pass through chelation and form firm complex layer, and polyaniline can also form passivating film in metal surface, oxygen etc. is prevented to further corrode metal, at the same time, phytic acid, gallic acid, it will act synergistically after being combined between polyaniline three, further enhance the performance of the collaboration migration protective effect between three；Secondly, the addition of antioxidant will prevent the hardening of anti-corrosion daub and oxidation deterioration long-term effectively, it is ensured that the long-term effect of erosion resistant coating antisepsis, and be also added into bactericidal agent in the viscoplasticity anti-corrosion daub and can effectively eliminate and inhibit microbiologic(al) corrosion.
Description
Technical field
The present invention relates to field of surface engineering technique more particularly to a kind of for protecting the viscoplasticity anticorrosion of metal surface
Clay and preparation method.
Background technique
Metal tank, valve, flange etc. are the common facilities and component of the industries such as petrochemical industry, electric power and combustion gas, in daily life
It is played a crucial role during producing.Storage tank bottom margin plate is connected with tank foundation, due to storage tank load and surrounding ring
The variation of border temperature will form biggish gap between bottom edge board and tank foundation.Rainwater, microorganism and corrosive gas
Equal corrosive medias, which can invade in gap, to be deposited, and electrochemical corrosion occurs, results even in storage tank bottom margin plate and corrodes
Perforation；Valve and flange belong to the coupling part of metal, and usually locating work condition environment is severe, corrosive gas, ponding, acid mud
Slurry and microorganism etc. form corrosion to it, and the dust etc. deposited at gap then accelerates electrochemical corrosion, to building
Safety constitutes a threat to.
Currently used Corrosion prevention scheme predominantly coats Corrosion prevention scheme, and processing method is general are as follows: storage tank margin plate and pedestal
Bottom gap is sealed processing and is eliminated moulding after acute angle using anti-corrosion daub, and the irregular surfaces such as valve, flange are logical
Cross anti-corrosion daub be sealed and fill smooth eliminate acute angle after moulding, finally carry out anti-corrosion cladding.
In prior art, anti-corrosion daub used at present mostly uses viscoelastic body shape clay in anti-corrosion cladding scheme, with
There are preferable bonding force and cohesive force between metal adhesive, initial stage anti-corrosion effect is fine, but through use after a period of time
It was found that having the following problems: firstly, cohesive force is too strong, being not easily cleaned, increase the difficulty of plant maintenance maintenance；Secondly, the viscoelastic
Body shape anti-corrosion daub is easy to harden into high durometer rubber shape after a period of time has passed, so that viscoplasticity is lost, it cannot be clear again
It is re-used after managing, and these solid waste pollute the environment；Again, the viscoelastic body shape glue in prior art
It is poor that the antirust of mud turns rust function；Finally, due to locating for storage tank pedestal margin plate anti-corrosion position and flange, valve anti-corrosion position
Work condition environment easily cooperating microorganisms, and the presence of microorganism directly results in its metabolin deposition, and then causes electrochemical corrosion,
And anti-corrosion daub used at present is difficult to that microorganism is effectively killed and inhibited, to be difficult to prevent microbiologic(al) corrosion.
Summary of the invention
The present invention provides a kind of for protecting the viscoplasticity anti-corrosion daub and preparation method of metal surface, it is intended to solve anti-
Corrosion clay present in be not easily cleaned, perishable, antirust turn rust effect it is poor, poor to microbiologic(al) corrosion protection effect the defects of,
It never degenerates with preferable waterproof seal, easy to clean, long-time service, and secondary use may be implemented, be provided simultaneously with relatively strong
Antirust turn rust function, and the microorganisms such as iron bacteria, Thiobacillus, sulfate reducing bacteria can be killed effectively to preventing microorganism
Corrosion has significant economic benefit.
Specific technical solution provided by the invention is as follows:
In a first aspect, provided by the invention a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface, feature exists
In the viscoplasticity anti-corrosion daub includes the raw material of following mass percent: butyl rubber 5~11%, polyisobutene 6~
12%, base oil 7~19%, tackifying resin 4~10%, fumed silica 2~8%, ultra-fine conch meal 15~25%, ultra-fine
Talcum powder 15~27%, synthetic staple 2~6%, antioxidant 0.5~2%, bactericidal agent 3~5%, is prevented wetting agent 1~2.5%
Rust agent 2.5~5%.
Optionally, the base oil includes epoxidized soybean oil, poly & Alpha ,-olefin oil, synthesis cycloalkane, vegetable oil-based polyols
At least one of ester, silicone oil, the wetting agent include at least one of soya-bean oil, oleic acid, stearic acid, tall oil.
Optionally, the antioxidant includes mass fraction than the antioxidant 1010 and antioxidant BHT for 3:1, the sterilizing
Agent includes at least two in 2- phosphonobutane -1,4- tricarboxylic acids (PBTCA) and tetradecyltrimethylammonium ammonium acetate.
Optionally, the antirust agent includes gallic acid, phytic acid and the polyaniline that mass parts ratio is 2:1:1.
Optionally, the ultra-fine conch meal is the preparation of sea shells crushing and classification, and the mesh number of the ultra-fine conch meal is 800
~1400 mesh, the moisture content of the ultra-fine conch meal is less than 1%.
Optionally, the mesh number of the superfine talcum powder is 1250 mesh, and the moisture content of the superfine talcum powder is less than 0.5%
~3%.
Optionally, the viscoplasticity anti-corrosion daub is yellowish-brown sticky solid shape, the viscoplasticity anti-corrosion daub
Density is 1.5~2.0g/cm3, the permeability rate of the viscoplasticity anti-corrosion daub was less than 0.02g/ days.
Second aspect, the embodiment of the present invention provide a kind of method for being used to prepare above-mentioned viscoplasticity anti-corrosion daub, institute
The method of stating includes:
Step 1: by butyl rubber, part basis oil, tackifying resin, staple fiber, fumed silica, ultra-fine conch meal,
Mixer is added in superfine talcum powder, and mixing 90min at a temperature of 100 DEG C~120 DEG C obtains semifinal blend A；
Step 2: remaining base oil, wetting agent, antioxidant, bactericidal agent, antirust agent are added in emulsifying kettle, temperature is kept
40 DEG C~60 DEG C of degree obtains semifinal blend B after emulsifying 40min；
Step 3: semifinal blend A, polyisobutene are added in same kneader, pinched at a temperature of 90 DEG C~110 DEG C
60min is closed, vacuum dehydration is carried out in the case where mediating stirring later and handles 20min~40min, dropped after vacuum dehydration processing
Temperature to 60 DEG C of temperature hereinafter, and restore to normal pressure, semifinal blend B is added thereto later, mediate stirring 30min~
Stripping and slicing metering packing is discharged after 40min to get the viscoplasticity anti-corrosion daub is arrived.
Beneficial effects of the present invention are as follows:
The embodiment of the present invention provides a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface, and preparing raw material includes
Phytic acid, gallic acid, polyaniline, wherein the metal oxide or gold that phytic acid and gallic acid can be formed with metal surface
Belong to itself and firm complex layer is formed by chelation, and polyaniline can also form passivating film in metal surface, prevent oxygen
Point equal to further corrode to metal, at the same time, phytic acid, gallic acid will occur after combining between polyaniline three
Synergistic effect further enhances the performance of the collaboration migration protective effect between three；Secondly, the addition of antioxidant is by president
Phase is effectively prevented the hardening of anti-corrosion daub and oxidation deterioration, it is ensured that the long-term effect of erosion resistant coating antisepsis, and the viscoplasticity
Bactericidal agent is also added into anti-corrosion daub can effectively eliminate and inhibit microbiologic(al) corrosion, can effectively kill iron bacteria, sulphur bar
The microorganisms such as bacterium, sulfate reducing bacteria have the function of long-acting enduringly anti-corrosion protection, anticorrosion to prevent microbiologic(al) corrosion
Clay layer adhesive force is strong and fine and close insulating is good, waterproof sealing, and synergistic protective effect is prominent, good penetrability and chelating turns rust suppression rust
Ability is strong.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below further detailed
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
The embodiment of the present invention one provide it is a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface include following matter
Measure percentage raw material: butyl rubber 5~11%, polyisobutene 6~12%, base oil 7~19%, tackifying resin 4~10%,
Fumed silica 2~8%, ultra-fine conch meal 15~25%, superfine talcum powder 15~27%, wetting agent 1~2.5%, synthesis
Staple fiber 2~6%, antioxidant 0.5~2%, bactericidal agent 3~5%, antirust agent 2.5~5%.Wherein, the embodiment of the present invention is viscous
When the raw material used in elastic anti-corrosion daub is limited within the scope of above-mentioned mass percent, can be formed stable structure and
The good product of anticorrosion ability, the quality proportioning that only each starting components additive amount meets above-mentioned restriction just can accessing property
The excellent anti-corrosion daub of energy.
Further, base oil used by the viscoplasticity anti-corrosion daub that the embodiment of the present invention one provides includes that epoxy is big
Soya-bean oil, poly & Alpha ,-olefin oil, synthesis cycloalkane, vegetable oil-based polyols ester, at least one of silicone oil, wetting agent include soya-bean oil,
At least one of oleic acid, stearic acid, tall oil.Exemplary, base oil can be epoxidized soybean oil, poly & Alpha ,-olefin oil, synthesis
Cycloalkane, vegetable oil-based polyols ester, any two kinds of mixture in silicone oil, without limitation to this embodiment of the present invention.
Further, the antioxidant that the viscoplasticity anti-corrosion daub of the embodiment of the present invention uses includes mass fraction ratio for 3:
1 antioxidant 1010 and antioxidant BHT, bactericidal agent include 2- phosphonobutane -1,4- tricarboxylic acids (PBTCA) and tetradecyl trimethyl
At least two in guanidine-acetic acid ammonium.Exemplary, the antioxidant that the viscoplasticity anti-corrosion daub of the embodiment of the present invention uses can be by
Mass fraction is than the antioxidant 1010 and antioxidant BHT composition for 3:1, the 4- tri- that bactericidal agent can be 1:1 by mass parts ratio
Carboxylic acid (PBTCA) and tetradecyltrimethylammonium ammonium acetate mixing composition.Wherein, mass fraction than for 3:1 antioxidant 1010 and
Fabulous synergistic effect can be played after antioxidant BHT mixing, and then can prevent anti-corrosion daub from hardening long-term effectively
And oxidation deterioration, it is ensured that the long-term effect of erosion resistant coating antisepsis may finally realize that the viscoelastic body shape anti-corrosion daub is using
Transition hardening can't occur after a period of time and lose viscoplasticity, may be implemented to re-use after clearing up, reduce
Influence of the waste to environment.
It should be noted that the bactericidal agent that the viscoplasticity anti-corrosion daub of the embodiment of the present invention uses includes 2- phosphonic acids fourth
At least two in alkane -1,4- tricarboxylic acids (PBTCA) and tetradecyltrimethylammonium ammonium acetate, it can be effectively suppressed or kill storage tank base
The microorganism bred under work condition environment locating for seat margin plate anti-corrosion position and flange, valve anti-corrosion position, such as can be effective
Sulfate reducing bacteria, sulfur oxidizing bacterium, saprophytic bacteria, iron bacteria and fungi etc. are killed, to prevent microbial cell metabolic
Intermediate product and/or final product secretion and outer ferment etc. caused by corrode caused by anti-corrosion material failure it is broken
It is bad, it avoids metal material and avoids that microbiologic(al) corrosion occurs.
Specifically, using 2- phosphonobutane -1,4- tri- in the formula of the viscoplasticity anti-corrosion daub of the embodiment of the present invention
The combination of any two kinds of bactericidal agents in carboxylic acid (PBTCA) and tetradecyltrimethylammonium ammonium acetate can be effectively suppressed or kill easily
Cooperating microorganisms such as sulfate reducing bacteria, sulfur oxidizing bacterium, saprophytic bacteria, iron bacteria and fungi etc., to prevent microbial cell
Caused by anti-corrosion material failure caused by the intermediate product of metabolism and/or the secretion of final product and outer ferment etc.
Corrosion failure.
The composite sterilization agent that 2- phosphonobutane -1,4- tricarboxylic acids (PBTCA) and tetradecyltrimethylammonium ammonium acetate are formed
Contain positively charged quaternary ammonium cation in molecular structure, quaternary ammonium cation can change by being adsorbed in electronegative bacterium surface
The osmotic pressure of cell wall, ruptures thallus；In addition, hydrophobic grouping and hydrophilic radical can in this kind of compound disinfectant molecular structure
The lipoid layer and protein for going deep into somatic cells respectively, cause enzyme to lose activity, protein denaturation and it is dead, therefore, 2- phosphonic acids
The compound disinfectant that butane -1,4- tricarboxylic acids (PBTCA) and tetradecyltrimethylammonium ammonium acetate are formed has good bactericidal properties
Energy.
Moreover, because contain phosphono in 2- phosphonobutane -1, in 4- tricarboxylic acids (PBTCA) containing carboxyl quaternary ammonium sun from
Son, contains hydrophobic long alkyl chain group in tetradecyltrimethylammonium ammonium acetate, and then contains in its compound disinfectant for being formed
Phosphono, carboxyl quaternary ammonium cation and hydrophobic long alkyl chain group, and phosphono, carboxyl quaternary ammonium cation and hydrophobic
There is preferable synergistic effect effect between long alkyl chain group, can bring while playing bactericidal effect to metal material
Corrosion inhibition.Phosphono functional group (- CPO3H) structure can be with the Fe in recirculated cooling water2+、Ca2+、Mg2+Plasma chelating,
It generates chelate protective film and is covered on carbon steel metal surface；And the positive charge of cationic ammonium carboxylate salt group institute band, it can be because of electrostatic
Gravitation and the cathodic region for being adsorbed in carbon steel surface.In addition, nonpolar hydrophobic alkyl long chain alkyl group also can be vertically in metal
Carbon steel surface and stretch in the solution, form water-repellent layer and hinder the contact of solution with carbon steel surface, so the compound disinfectant
The collective effect of Zhong Ge functional group makes it form one layer of complete composite protection film on carbon steel surface, this layer of protective film inhibits carbon
The cathode diffusion of the Anodic Stripping and oxygen in water of steel, while playing sterilization effect, can also play to metal surface
Good corrosion inhibition.
The structure of electric double layer is changed since the polar group in antirust agent can be adsorbed on metal surface, improves gold
Belong to the reactivity of ion, convenient for forming chelate film, longer alkyl branches (long alkyl chain base in bactericidal agent in metal surface
Group), play the role of structual shield, and then antirust agent compounded with bactericidal agent after can effectively promote corrosion inhibition.Carboxylic acids is anti-
Rust agent and phenyl ring in carboxylic acids bactericidal agent and OH-based group are easy to form coordinate bond complex compound with metal, to effectively increase
The compactness of film prevents oxygen and the diffusion (in marine environment) of Cl-, slows down the corrosion rate of metal surface.
Further, the antirust agent for protecting the viscoplasticity anti-corrosion daub of metal surface to use of the embodiment of the present invention
Gallic acid, phytic acid and the polyaniline for being 2:1:1 including mass parts ratio, exemplary, antirust agent used in the embodiment of the present invention
It can be made of gallic acid, phytic acid and the polyaniline that mass parts ratio is 2:1:1.Wherein, by largely testing and failing
Later, after the application has found that mass parts ratio is the gallic acid of 2:1:1, phytic acid and polyaniline mixing, phytic acid therein and
The metal oxide or metal itself that gallic acid can be formed first with metal surface pass through chelation and form firm network
Nitride layer is closed, and polyaniline can also form passivating film in metal surface, and oxygen etc. is prevented to further corrode metal, it is same with this
When, mass parts ratio is that will act synergistically after combining between the phytic acid, gallic acid, polyaniline three of 2:1:1, into
One step enhances the performance of the collaboration migration protective effect between three.
Gallic acid is a kind of substance with rust transformation, uses gallic acid that can seep iron rust as rust transforming agent
Thoroughly and conversion forms uniform black conversion film.Gallic acid-phytic acid type converting agent of iron rust mechanism of action is to convert first
Suitable phytic acid is added in agent and forms acidic environment, promotes the Fe in iron rust3+Reduction reaction occurs and is converted into Fe2+, complete rust
Lose in the Partial Conversion of product namely the viscoplasticity anti-corrosion daub of the embodiment of the present invention using gallic acid and phytic acid be in order to
It realizes under phytic acid environment, gallic acid promotes the Fe in iron rust3+Reduction reaction occurs and is converted into Fe2+.Fe after inverted2 +, can react to form corresponding ferrous salt compound with converting agent of iron rust.And the Fe not being converted3+It can not only be with converting agent of iron rust
Reaction generates stable phytic acid iron passivating film, while can also generate gallic acid-iron chelate with organic component gallic acid
Passivation layer forms good insoluble protective film to inhibit corrosion process and stablize iron rust.To hinder metallic matrix contact
While extraneous corrosive medium is to protect matrix, the film layer of Combination passivation protection film is tightly adhered to metal surface, has yin
The function of pole polarization and resistance erosion passivation.
Meanwhile in the antirust agent for protecting the viscoplasticity anti-corrosion daub of metal surface to use of the embodiment of the present invention also
Including polyaniline, under the catalytic action of gallic acid, polyaniline contacts with metal surface to be protected and in metal polyaniline
Surface layer generates one layer of passivating film, and polyaniline passivating film, which can effectively obstruct corrosive medium and penetrate, touches metal base, reaches
Protect the purpose of metal material.Find that metal surface is sent out under the action of gallic acid with experimental study by largely practicing
While raw redox reaction, polyaniline can form passivating film in metal surface, be passivated the current potential of metal to passivation region,
There is passivation to metal surface to be protected under the action of gallic acid to form anodic protection namely polyaniline to metal
Effect, realizes the corrosion protection of metal surface.Metal surface reaction step under polyaniline and gallic acid effect is as follows:
Polyaniline is reduced: Fe+3PANI++3H2O→Fe(OH)3+3PANI+3H+
Polyaniline is oxidized: O2+2H2O+4PANI→4PANI++4OH-
It is found through the detection means analysis such as scanning electron microscope and x-ray photoelectron spectroscopy, polyaniline and gallic acid effect
Under in the passivating film main component that metal surface is formed be the γ-Fe in outer layer 1.5nm thickness2O3And secondary surface layer 4nm thickness
Fe3O4。
It is found by mass data analysis, polyaniline equally has inhibition to metal surface under the action of gallic acid
Effect.Wherein, corrosion inhibition typically refers to the suction-operated by metal to organic substance, forms unimolecule shielding on surface
Layer, to limit anode (cathode) corrosion rate, reaches anti-corrosion protection effect.The viscoplasticity anticorrosion glue of the embodiment of the present invention
The polyaniline contained in the antirust agent added in mud, reason is the central nitrogen atom of polyaniline compound compound, and there are unshared
Electronics pair, when metal surface has empty d track, the lone pair electrons of polarity group central atom can be with empty d rail
Road forms coordinate bond, and metal surface becomes apparent the suction-operated effect of molecule at this time, and forms one layer of hydrophobic adsorbent layer, with
Achieve the effect that reduce rusting rate.
Also, polyaniline why is added in viscoplasticity anti-corrosion daub provided in an embodiment of the present invention, but because it is poly-
Aniline has shielding action and electric field action under the action of gallic acid, to metal surface to be protected.Wherein, polyaniline pair
The shielding action mechanism of metal surface to be protected, which mainly passes through, prevents corrosive medium from being in contact with metal base, is protected with reaching
Protect the purpose of metal material.The presence of metal surface polyaniline coating can be effectively by corrosive environment around metal material and its
Separate, such as polyaniline coating has apparent shielding action to the infiltration of oxygen.
Polyaniline coating following chemical reaction can occur with oxygen under gallic acid environment and be oxidized polyaniline
And oxygen is reduced, O2+2H2O+PAn0=PAn++4OH-, and then polyaniline coating and oxygen act on, and have obstructed the infiltration of oxygen,
The generation for preventing metallic substrate surface oxygen uptake to corrode.In addition, its anti-corrosion effect of the epoxy coating of addition polyaniline is much good
In pure epoxy resin coating, reason is that polyaniline can be crosslinked with epoxy resin and reacts, substantially by the compactness of coating
It is promoted.
Ultra-fine conch meal used in the embodiment of the present invention is the preparation of sea shells crushing and classification, and mesh number is 800~1400
Mesh, moisture content is less than 1%.The mesh number of superfine talcum powder is 1250 mesh, the moisture content of superfine talcum powder less than 0.5%~
3%.Wherein, superfine talcum powder and thin conch meal play filling effect as filler, filling capacity are improved, in the mesh of above-mentioned restriction
In several and water content ranges, it is ensured that mobility, the viscosity of corrosion protection system are in moderate state, improve system stability.
Preferably, the mesh number of ultra-fine conch meal used in the embodiment of the present invention is 1250 mesh, and the moisture content of superfine talcum powder is less than
1%.Exemplary, the ultra-fine conch meal that the embodiment of the present invention is selected obtains for pure natural sea shells class rubbish crushing and classification.
Phytic acid used in the embodiment of the present invention, gallic acid, polyaniline etc. are to environment material without side-effects, and the bactericidal agent of use is equal
For environmentally friendly new varieties bactericidal agent, and the ultra-fine conch meal used forms for seabeach rubbish shell crushing and processing, it then follows
Energy-saving theory, in addition other components are also to be safe from harm to human body and environment, so even if leakage occurs to ring
Border will not pollute or its caused result is also foreseeable or controllable namely provided in an embodiment of the present invention
Be a kind of environment-protecting and non-poisonous, energy-saving, no pollution to the environment, non-volatility organic matter, without dangerous material for protecting metal
The viscoplasticity anti-corrosion daub on surface.
Further, viscoplasticity anti-corrosion daub provided in an embodiment of the present invention is yellowish-brown sticky solid shape, and density is
1.5~2.0g/cm3, permeability rate was less than 0.02g/ days.
The embodiment of the present invention provides a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface, and preparing raw material includes
Phytic acid, gallic acid, polyaniline, wherein the metal oxide or gold that phytic acid and gallic acid can be formed with metal surface
Belong to itself and firm complex layer is formed by chelation, and polyaniline can also form passivating film in metal surface, prevent oxygen
Point equal to further corrode to metal, at the same time, phytic acid, gallic acid will occur after combining between polyaniline three
Synergistic effect further enhances the performance of the collaboration migration protective effect between three；Secondly, the addition of antioxidant is by president
Phase is effectively prevented the hardening of anti-corrosion daub and oxidation deterioration, it is ensured that the long-term effect of erosion resistant coating antisepsis, and the viscoplasticity
Bactericidal agent is also added into anti-corrosion daub can effectively eliminate and inhibit microbiologic(al) corrosion, can effectively kill iron bacteria, sulphur bar
The microorganisms such as bacterium, sulfate reducing bacteria have the function of long-acting enduringly anti-corrosion protection, anticorrosion to prevent microbiologic(al) corrosion
Clay layer adhesive force is strong and fine and close insulating is good, waterproof sealing, and synergistic protective effect is prominent, good penetrability and chelating turns rust suppression rust
Ability is strong.
The embodiment of the present invention provide it is a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface, to technology to be protected
It is low to be surface-treated calling hierarchy, construction technology flexible and convenient, and easy to clean, it secondary can use, be suitable for storage tank bottom edge
Plate, pipe flange, valve etc..Usually in engineering site due to being limited by operating condition etc., Treatment of Metal Surface is extremely difficult to
It is required that rank, and use it is provided by the present invention it is a kind of for protecting the anti-corrosion daub of metal surface when, surface treatment only
It only needs to reach St 2.0；And the viscoplasticity anti-corrosion daub of the embodiment of the present invention can pass through manual trowelling, blade coating etc.
Irregular surface is filled the purpose for eliminating acute angle to reach moulding by method；It can if cleared up completely metal surface
It is removed using solvent wiping, and the anti-corrosion daub removed can utilize again.
Embodiment two
Based on identical inventive concept, above-described embodiment one is used to prepare second embodiment of the present invention provides one kind and is provided
Viscoplasticity anti-corrosion daub method, this method comprises:
Step 1: by butyl rubber, part basis oil, tackifying resin, staple fiber, fumed silica, ultra-fine conch meal,
Mixer is added in superfine talcum powder, and mixing 90min at a temperature of 100 DEG C~120 DEG C obtains semifinal blend A；
Step 2: remaining base oil, wetting agent, antioxidant, bactericidal agent, antirust agent are added in emulsifying kettle, temperature is kept
40 DEG C~60 DEG C of degree obtains semifinal blend B after emulsifying 40min；
Step 3: semifinal blend A, polyisobutene are added in same kneader, pinched at a temperature of 90 DEG C~110 DEG C
60min is closed, vacuum dehydration is carried out in the case where mediating stirring later and handles 20min~40min, dropped after vacuum dehydration processing
Temperature to 60 DEG C of temperature hereinafter, and restore to normal pressure, semifinal blend B is added thereto later, mediate stirring 30min~
Stripping and slicing metering packing is discharged after 40min to get the viscoplasticity anti-corrosion daub is arrived.
It should be noted that in viscoplasticity anti-corrosion daub preparation method provided in an embodiment of the present invention, the mixing of use
Mode by butyl rubber, part basis oil, tackifying resin, staple fiber, fumed silica, ultra-fine conch meal, extra fine talc
Mixing is at semifinal blend A under high temperature environment for powder, later by remaining base oil, wetting agent, antioxidant, bactericidal agent, anti-
Rust agent semifinal blend B is formed using low temperature emulsified by the way of, finally again under low-temperature atmosphere-pressure by semifinal blend A and partly at
Stirring forms viscoplasticity anti-corrosion daub after product mixture B is mutually mixed, and why step by step division technique is prepared respectively, is
Because the different raw material in formula have different requirements to temperature, if prepared by the mode for being all made of high temperature mixing,
Antioxidant, bactericidal agent, the activity of antirust agent and performance will be destroyed to play, if especially bactericidal agent is distinguished without technique,
Bactericidal agent inactivation will be will lead to and lose sterilization effect, or even generation phosphono, carboxyl quaternary ammonium cation and hydrophobic alkyl are long
The destruction of chain group etc. influences the effect that acts synergistically between phosphono, carboxyl quaternary ammonium cation and hydrophobic long alkyl chain group
Performance, and then influence its bactericidal effect and corrosion inhibition.
Embodiment three
The embodiment of the present invention three will be provided by means analysis above-described embodiment one and above-described embodiment two of specific experiment
Viscoplasticity anti-corrosion daub performance, found by comparative analysis, the viscoplasticity anti-corrosion daub environmental protection of the embodiment of the present invention
It is nontoxic, and have can random moulding permanent rubber viscoelastic body shape, adhesion strength is strong and sealing performance is good, sterilizes antibacterial anti-
Mouldiness can be good, and it is strong that chelating turns rust, suppression rust ability；And construction work required by the viscoplasticity anti-corrosion daub of the embodiment of the present invention
Skill flexible and convenient, surface treatment calling hierarchy is low, can be used for the irregular positions such as flange, valve, storage tank pedestal margin plate, bolt
And moulding can be filled and eliminate acute angle and anti-corrosion protection is sealed to these positions, it is ensured that in various harsh rugged environments
Under reach the purpose of anti-corrosion protection.
Wherein, the sample of the correlated performance test of the embodiment of the present invention three is as follows:
Sample 1: a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface includes the raw material of following mass parts ratio:
Butyl rubber 8%, polyisobutene 9%, base oil 13%, tackifying resin 7%, fumed silica 5%, ultra-fine conch meal
22%, superfine talcum powder 21%, wetting agent 1.8%, synthetic staple 4%, antioxidant 1.2%, bactericidal agent 4%, antirust agent
4%.
Sample 2: a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface includes the raw material of following mass parts ratio:
Butyl rubber 7%, polyisobutene 8%, base oil 11%, tackifying resin 6%, fumed silica 6.5%, ultra-fine conch meal
24.3%, superfine talcum powder 23%, wetting agent 1.4%, synthetic staple 3%, antioxidant 0.8%, bactericidal agent 4.5%, antirust
Agent 4.5%.
Sample 3: a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface includes the raw material of following mass parts ratio:
Butyl rubber 6%, polyisobutene 7%, base oil 9%, tackifying resin 5%, fumed silica 7.5%, ultra-fine conch meal
27%, superfine talcum powder 25%, wetting agent 1%, synthetic staple 2%, antioxidant 0.5%, bactericidal agent 5%, antirust agent 5%.
Wherein, technical indicator test result is as follows the table of the correlated performance test carried out for sample 1, sample 2 and sample 3
Shown in table one.
One technical target of the product test result of subordinate list
It is with reference to subordinate list one it is found that provided in an embodiment of the present invention a kind of for protecting the viscoplasticity anticorrosion glue of metal surface
Mud has preferable temperature tolerance, can bear 80 degrees Celsius and subzero 30 degrees Celsius of limiting temperature, still can at such a temperature
Prolonged steady operation is kept, softening trickling and cracking deformation will not occur；And viscoplasticity provided in an embodiment of the present invention
The extremely low water solubility of anti-corrosion daub, it is extremely difficult to be dissolved in water, remain to reliably working under outdoor complex environment or wet environment；And
And reference table one is it is found that viscoplasticity anti-corrosion daub provided in an embodiment of the present invention has fabulous water substituting and plasticity,
It can be used for the irregular position such as flange, valve, storage tank pedestal margin plate, bolt and moulding can be filled to eliminate acute angle and to this
A little positions are sealed anti-corrosion protection, it is ensured that reach the purpose of anti-corrosion protection under various harsh rugged environments.
Test result is as follows shown in table table two for the bacteria resistance energy carried out for sample 1, sample 2 and sample 3:
Two bacteria resistance energy test result of subordinate list
Reference table two it is found that the embodiment of the present invention it is a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface to normal
It is fabulous to see that corrosion-causing bacteria sulfate reducing bacteria, iron bacteria, sulfur oxidizing bacterium etc. have the effect of, can effectively kill iron bacteria, sulphur
The microorganisms such as bacillus, sulfate reducing bacteria are to prevent microbiologic(al) corrosion.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of for protecting the viscoplasticity anti-corrosion daub of metal surface, which is characterized in that the viscoplasticity anti-corrosion daub
Raw material including following mass percent: butyl rubber 5~11%, polyisobutene 6~12%, base oil 7~19%, thickening tree
Rouge 4~10%, fumed silica 2~8%, ultra-fine conch meal 15~25%, superfine talcum powder 15~27%, wetting agent 1~
2.5%, synthetic staple 2~6%, antioxidant 0.5~2%, bactericidal agent 3~5%, antirust agent 2.5~5%.
2. viscoplasticity anti-corrosion daub according to claim 1, which is characterized in that the base oil includes epoxy soybean
At least one of oil, poly & Alpha ,-olefin oil, synthesis cycloalkane, vegetable oil-based polyols ester, silicone oil, the wetting agent includes beans
At least one of oil, oleic acid, stearic acid, tall oil.
3. viscoplasticity anti-corrosion daub according to claim 1, which is characterized in that the antioxidant includes mass fraction ratio
For the antioxidant 1010 and antioxidant BHT of 3:1, the bactericidal agent includes 2- phosphonobutane -1,4- tricarboxylic acids (PBTCA) He Shisi
At least two in alkyl trimethyl ammonium acetate.
4. viscoplasticity anti-corrosion daub according to claim 1, which is characterized in that the antirust agent includes mass parts ratio
For the gallic acid, phytic acid and polyaniline of 2:1:1.
5. viscoplasticity anti-corrosion daub according to claim 1, which is characterized in that the ultra-fine conch meal is sea shells
The mesh number of crushing and classification preparation, the ultra-fine conch meal is 800~1400 mesh, and the moisture content of the ultra-fine conch meal is less than
1%.
6. viscoplasticity anti-corrosion daub according to claim 5, which is characterized in that the mesh number of the superfine talcum powder is
1250 mesh, the moisture content of the superfine talcum powder is less than 0.5%~3%.
7. viscoplasticity anti-corrosion daub according to claim 6, which is characterized in that the viscoplasticity anti-corrosion daub is Huang
Brown viscous solid-like, the density of the viscoplasticity anti-corrosion daub are 1.5~2.0g/cm3, the viscoplasticity anti-corrosion daub
Permeability rate be less than 0.02g/ days.
8. a kind of method for being used to prepare viscoplasticity anti-corrosion daub as described in any one of claims 1 to 7, feature exist
In, which comprises
Step 1: by butyl rubber, part basis oil, tackifying resin, staple fiber, fumed silica, ultra-fine conch meal, ultra-fine
Mixer is added in talcum powder, and mixing 90min at a temperature of 100 DEG C~120 DEG C obtains semifinal blend A；
Step 2: remaining base oil, wetting agent, antioxidant, bactericidal agent, antirust agent are added in emulsifying kettle, temperature 40 is kept
DEG C~60 DEG C, semifinal blend B is obtained after emulsifying 40min；
Step 3: semifinal blend A, polyisobutene are added in same kneader, mediated at a temperature of 90 DEG C~110 DEG C
60min carries out vacuum dehydration in the case where mediating stirring later and handles 20min~40min, cooled down after vacuum dehydration processing
To 60 DEG C of temperature hereinafter, and restore to normal pressure, semifinal blend B is added thereto later, mediates stirring 30min~40min
Stripping and slicing metering packing discharge afterwards to get the viscoplasticity anti-corrosion daub is arrived.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732849A (en) * | 2020-06-23 | 2020-10-02 | 西南石油大学 | VPC nano composite material with self-repairing performance and preparation method of coating thereof |
| CN115400603A (en) * | 2022-09-16 | 2022-11-29 | 天津大学 | Nanofiltration membrane prepared based on dissociation of plant polyphenol-metal ion complex and preparation method thereof |
| US11964911B2 (en) | 2021-10-28 | 2024-04-23 | Postnikov | Corrosion-preventing additive for reinforced concrete |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488861A (en) * | 2014-11-27 | 2015-04-08 | 苏州佑君环境科技有限公司 | Composite scale inhibition bactericide for water treatment, and preparation method thereof |
| CN107587137A (en) * | 2017-01-06 | 2018-01-16 | 青岛科技大学 | A kind of long-acting type antirust for metal surface turns rust agent |
| CN108102452A (en) * | 2018-01-04 | 2018-06-01 | 青岛海弗莱安全科技有限公司 | A kind of anticorrosion for steel construction applies cream and preparation method thereof |
| CN108812678A (en) * | 2018-07-05 | 2018-11-16 | 河南省科学院能源研究所有限公司 | A kind of compound corrosion-retarding germicide |
-
2019
- 2019-08-20 CN CN201910769753.1A patent/CN110437629A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488861A (en) * | 2014-11-27 | 2015-04-08 | 苏州佑君环境科技有限公司 | Composite scale inhibition bactericide for water treatment, and preparation method thereof |
| CN107587137A (en) * | 2017-01-06 | 2018-01-16 | 青岛科技大学 | A kind of long-acting type antirust for metal surface turns rust agent |
| CN108102452A (en) * | 2018-01-04 | 2018-06-01 | 青岛海弗莱安全科技有限公司 | A kind of anticorrosion for steel construction applies cream and preparation method thereof |
| CN108812678A (en) * | 2018-07-05 | 2018-11-16 | 河南省科学院能源研究所有限公司 | A kind of compound corrosion-retarding germicide |
Non-Patent Citations (1)
| Title |
|---|
| 彭淑鸽著: "《高分子复合材料核心理论及进展研究》", 31 March 2019, 中国原子能出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732849A (en) * | 2020-06-23 | 2020-10-02 | 西南石油大学 | VPC nano composite material with self-repairing performance and preparation method of coating thereof |
| CN111732849B (en) * | 2020-06-23 | 2022-02-08 | 西南石油大学 | VPC nano composite material with self-repairing performance and preparation method of coating thereof |
| US11964911B2 (en) | 2021-10-28 | 2024-04-23 | Postnikov | Corrosion-preventing additive for reinforced concrete |
| CN115400603A (en) * | 2022-09-16 | 2022-11-29 | 天津大学 | Nanofiltration membrane prepared based on dissociation of plant polyphenol-metal ion complex and preparation method thereof |
| CN115400603B (en) * | 2022-09-16 | 2023-12-22 | 天津大学 | Nanofiltration membrane prepared based on dissociation of plant polyphenol-metal ion complex and preparation method thereof |
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Application publication date: 20191112 |