CN106118371B - A kind of anticorrosive paint and its methods for making and using same and a kind of composite material - Google Patents
A kind of anticorrosive paint and its methods for making and using same and a kind of composite material Download PDFInfo
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- CN106118371B CN106118371B CN201610615461.9A CN201610615461A CN106118371B CN 106118371 B CN106118371 B CN 106118371B CN 201610615461 A CN201610615461 A CN 201610615461A CN 106118371 B CN106118371 B CN 106118371B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/28—Nitrogen-containing compounds
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/06—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly alkaline liquids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
- C23F11/181—Nitrogen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The embodiment of the invention provides a kind of anticorrosive paint and its methods for making and using same and a kind of composite materials.The anticorrosive paint includes film forming matter, filler, auxiliary agent, the controlled release microcapsules and solvent for being mounted with corrosion inhibiter；The parts by weight of the film forming matter are 30~70, the parts by weight of the filler are 0~50, the parts by weight of the auxiliary agent are 2.5~10, and the parts by weight for being mounted with the controlled release microcapsules of the corrosion inhibiter are 0.5~30, and the parts by weight of the solvent are 10~17；The rupture when the pH of the controlled release microcapsules local environment rises to 9 or more of the microcapsule shell of the controlled release microcapsules, releases the corrosion inhibiter.Therefore, anticorrosive paint described in the embodiment of the present invention can be according to the concentration of the variation adjust automatically corrosion inhibiter of environment pH, the inhibition efficiency of corrosion inhibiter is substantially increased, so that the anti-corrosion effect of anticorrosive paint be greatly improved, salt spray resistance-anti-corrosion time increases to 8000h or so by original 1000h or so.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of anticorrosive paint, a kind of preparation method of anticorrosive paint,
A kind of application method and a kind of composite material of anticorrosive paint.
Background technique
The corrosion of metal material is global problem.The corrosion of metal equipment not only consumes treasure, destroys simultaneously
The normal operation of production, life.The metal equipment being corroded shape, color and in terms of can all occur
Deterioration, leads to the destruction of equipment, causes serious the waste of resource and the energy, What is more may result in serious pernicious thing
Therefore.
In order to slow down the corrosion of metal surface, usually one layer of anticorrosive paint can be coated on the surface of metal equipment.Traditional
Corrosion inhibiter is added since corrosion inhibiter can play preferable slow releasing function to metal added with corrosion inhibiter in anticorrosive paint
The antiseptic property that anticorrosive paint can be increased is added in anticorrosive paint.
But in traditional anticorrosive paint in use, still there is part metals basal plane to be corroded, the pH at metal basal plane constantly becomes
Change, cathode pH is constantly increased.Since traditional anticorrosive paint can not be according to the timely adjustment corrosion inhibiter of variation of environment pH using dense
Degree, therefore initial stage is used in traditional anticorrosive paint, the excessively high waste that will cause corrosion inhibiter of density of corrosion inhibitor and environment can be made
At damage, with the passage for using the time, the concentration of corrosion inhibiter is gradually decreased in traditional anticorrosive paint, is made in traditional anticorrosive paint
With later period, the too low antiseptic property that can seriously reduce anticorrosive paint of density of corrosion inhibitor.
It follows that in the use process of traditional anticorrosive paint, due to corrosion inhibiter in traditional anticorrosive paint concentration by
It gradually reduces, therefore traditional anticorrosive paint can not play preferable antiseptic property always.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of anticorrosive paints for overcoming the above problem, a kind of anticorrosive paint
Preparation method, a kind of anticorrosive paint application method and a kind of composite material.
To solve the above-mentioned problems, the invention discloses a kind of anticorrosive paint, the anticorrosive paint includes film forming matter, fills out
Material, auxiliary agent, the controlled release microcapsules and solvent for being mounted with corrosion inhibiter；
The parts by weight of the film forming matter are 30~70, and the parts by weight of the filler are 0~50, the weight of the auxiliary agent
Number is 2.5~10, and the parts by weight for being mounted with the controlled release microcapsules of the corrosion inhibiter are 0.5~30, the solvent
Parts by weight are 10~17；
The microcapsule shell of the controlled release microcapsules the pH of the controlled release microcapsules local environment rise to 9 with
It was ruptured when upper, and released the corrosion inhibiter.
Optionally, in the controlled release microcapsules, the dosage of the corrosion inhibiter accounts for the controlled release microcapsules
The 10%~40% of total amount；
The partial size of the controlled release microcapsules is at 25 μm or less.
Optionally, the component of the microcapsule shell of the controlled release microcapsules includes having in ester group and thioester substrate at least
A kind of performed polymer, performed polymer fracture when the pH of the controlled release microcapsules local environment rises to 9 or more.
Optionally, the performed polymer is amino resins performed polymer.
Optionally, the film forming matter includes one of epoxy resin, polyurethane and acrylic acid or a variety of；
The filler includes one of talcum powder, nano silica, titanium dioxide and calcium carbonate or a variety of；
The auxiliary agent includes one of defoaming agent, wetting agent and dispersing agent or a variety of；
The corrosion inhibiter includes one or more of sodium nitrite, silicate and Quadrafos；
The solvent includes one or more of water, acetone, ethyl acetate and ethyl alcohol.
Optionally, the defoaming agent is modified organic silicon ketone compound；
The wetting agent is organic silicon modified by polyether class；
The dispersing agent is lauryl sodium sulfate.
The invention also discloses a kind of preparation methods of above-mentioned anticorrosive paint, which comprises
Mixture is obtained by preset ratio mixing film forming matter, filler, auxiliary agent and solvent, high-speed stirred；
Into gained mixture, addition is mounted with the controlled release microcapsules of corrosion inhibiter, is uniformly dispersed, obtains the anti-corrosion
The microcapsule shell of coating, the controlled release microcapsules rises to 9 or more in the pH of the controlled release microcapsules local environment
When rupture, release the corrosion inhibiter.
Optionally, the parts by weight of the film forming matter are 30~70, and the parts by weight of the filler are 0~50, described to help
The parts by weight of agent are 2.5~10, and the parts by weight of the solvent are 10~17, and the controlled release for being mounted with the corrosion inhibiter is micro-
The parts by weight of capsule are 0.5~30.
Optionally, the dosage of the corrosion inhibiter accounts for the 10%~40% of the total amount of the controlled release microcapsules；
The partial size of the controlled release microcapsules is at 25 μm or less.
Optionally, the component of the microcapsule shell of the controlled release microcapsules includes having in ester group and thioester substrate at least
A kind of performed polymer, performed polymer fracture when the pH of the controlled release microcapsules local environment rises to 9 or more.
Optionally, the performed polymer is amino resins performed polymer.
Optionally, the film forming matter includes one of epoxy resin, polyurethane and acrylic acid or a variety of；
The filler includes one of talcum powder, nano silica, titanium dioxide and calcium carbonate or a variety of；
The auxiliary agent includes one of defoaming agent, wetting agent and dispersing agent or a variety of；
The corrosion inhibiter includes one or more of sodium nitrite, silicate and Quadrafos；
The solvent includes one or more of water, acetone, ethyl acetate and ethyl alcohol.
Optionally, the defoaming agent is modified organic silicon ketone compound；
The wetting agent is organic silicon modified by polyether class；
The dispersing agent is lauryl sodium sulfate.
The present invention also provides a kind of application method of above-mentioned anticorrosive paint, the anticorrosive paint is applied to metal basal plane
Preservative treatment, which comprises
The anticorrosive paint is sprayed or brushed or roller coating is in the surface of the metal basal plane, forms anticorrosive coating film；
When the pH of the controlled release microcapsules local environment reaches 9 or more, micro- glue of the controlled release microcapsules
Capsule outer casing rupture, releases corrosion inhibiter, and the corrosion inhibiter plays corrosion inhibition to the metal basal plane.
The present invention also provides a kind of composite material, the composite material includes corrosion-inhibiting coating and rubber coating, described anti-
Rotten coating is constructed to obtain by above-mentioned anticorrosive paint.
Optionally, the rubber coating is to construct to obtain by rubber asphalt anticorrosive paint；
Anionic emulsified bitumen, rubber latex and the additive group that the rubber asphalt anticorrosive paint is modified by vulcanized rubber
At.
Optionally, the negative ion emulsification pitch of the vulcanized rubber modification is according to the pitch of 70~97 parts by weight and 3~30
It is emulsified after the ratio mixing of the vulcanized rubber of parts by weight.
Optionally, the additive includes defoaming agent, surfactant, antiaging agent, stabilizer, sun-screening agent and dispersing agent
One of or it is a variety of.
Optionally, the surfactant is selected from rosin soap, fatty acid soaps, alkyl diphenyl ether disulfonate, nonyl phenol second
One of oxygroup compound and sulfated methyl oleate sodium glutamate are a variety of；The dispersing agent includes condensed state sodium naphthalene sulfonate
Salt；The stabilizer includes sodium alkyl sulfate；The sun-screening agent includes that hydrophily 2- (2- hydroxyphenyl)-benzotriazole UV absorbs
One of agent, hindered amine light stabilizer and sun-screening agent containing hindered amine light stabilizer are a variety of.
Compared with prior art, the present invention includes the following advantages:
The anticorrosive paint innovation of the embodiment of the present invention is added to the controlled release microcapsules for being mounted with corrosion inhibiter, works as metal
When certain of basal plane occurs to corrode and pH of metal basal plane local environment rises to 9 or more at this, it is coated on Metal Substrate at this
The microcapsule shell of controlled release microcapsules in the anticorrosive paint in face ruptures, and releases corrosion inhibiter, therefore the embodiment of the present invention
The anticorrosive paint can substantially increase the inhibition of corrosion inhibiter according to the concentration of the variation adjust automatically corrosion inhibiter of environment pH
Efficiency, so that the anti-corrosion effect of anticorrosive paint be greatly improved, salt spray resistance-anti-corrosion time is increased to by original 1000h or so
8000h or so.
The embodiment of the invention also provides a kind of composite materials constructed by above-mentioned anticorrosive paint, due to used
Anticorrosive paint has excellent antiseptic property, therefore resulting composite material of constructing has more excellent antiseptic property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the controlled release microcapsules of the embodiment of the present invention.
Fig. 2 is a kind of flow chart of the preparation method of anticorrosive paint of the embodiment of the present invention；
Fig. 3 is a kind of flow chart of the application method of anticorrosive paint of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is described in detail below by implementation process of the embodiment to the method for the invention.
The embodiment of the present invention provides a kind of anticorrosive paint, and the anticorrosive paint includes film forming matter, filler, auxiliary agent, is mounted with
The controlled release microcapsules and solvent of corrosion inhibiter；
The parts by weight of the film forming matter are 30~70, and the parts by weight of the filler are 0~50, the weight of the auxiliary agent
Number is 2.5~10, and the parts by weight for being mounted with the controlled release microcapsules of the corrosion inhibiter are 0.5~30, the solvent
Parts by weight are 10~17；
The microcapsule shell of the controlled release microcapsules the pH of the controlled release microcapsules local environment rise to 9 with
It was ruptured when upper, and released the corrosion inhibiter.
The anticorrosive paint innovation of the embodiment of the present invention is added to the controlled release microcapsules for being mounted with corrosion inhibiter, works as metal
When certain of basal plane occurs to corrode and pH of metal basal plane local environment rises to 9 or more at this, it is coated on Metal Substrate at this
The microcapsule shell of controlled release microcapsules in the anticorrosive paint in face ruptures, and releases corrosion inhibiter, therefore the embodiment of the present invention
The anticorrosive paint can substantially increase the inhibition of corrosion inhibiter according to the concentration of the variation adjust automatically corrosion inhibiter of environment pH
Efficiency, so that the anti-corrosion effect of anticorrosive paint be greatly improved, salt spray resistance-anti-corrosion time is increased to by original 1000h or so
8000h or so.
In the embodiment of the present invention, it is preferable that in the controlled release microcapsules, the dosage of the corrosion inhibiter account for it is described can
Controlled release puts the 10%~40% of the total amount of microcapsules.
In the embodiment of the present invention, it is preferable that the partial size of the controlled release microcapsules is at 25 μm or less.
In the embodiment of the present invention, it is preferable that the component of the microcapsule shell of the controlled release microcapsules includes having ester
The performed polymer of at least one of base and thioester substrate, the performed polymer rise to 9 in the pH of the controlled release microcapsules local environment
It is broken when above.
In the embodiment of the present invention, it is preferable that the performed polymer is amino resins performed polymer.
In the embodiment of the present invention, it is preferable that the film forming matter include one of epoxy resin, polyurethane and acrylic acid or
It is a variety of；
The filler includes one of talcum powder, nano silica, titanium dioxide and calcium carbonate or a variety of；
The auxiliary agent includes one of defoaming agent, wetting agent and dispersing agent or a variety of；
The corrosion inhibiter includes one or more of sodium nitrite, silicate and Quadrafos；
The solvent includes one or more of water, acetone, ethyl acetate and ethyl alcohol.
In the embodiment of the present invention, it is preferable that the defoaming agent is modified organic silicon ketone compound；
The wetting agent is organic silicon modified by polyether class；
The dispersing agent is lauryl sodium sulfate.
To allow those skilled in the art that the embodiment of the present invention is more clearly understood, now by Fig. 1 to controlled release
Microcapsules are explained in detail.
Fig. 1 is the structural schematic diagram of the controlled release microcapsules of the embodiment of the present invention.As shown in Figure 1, the micro- glue of controlled release
Capsule 100 includes two parts, and a part is microcapsule shell 110, and another part is the corrosion inhibiter being loaded into microcapsule shell 110
120。
The corrosion of metal basal plane is mainly electrochemical corrosion, anode reaction are as follows: Fe-2e-→Fe2+, anode metal is rotten
Erosion；Cathode reaction simultaneously are as follows: O2+2H2O+4e-→4OH-.With the continuous progress of metal erosion, the pH liter of cathode local environment
Height can cause the microcapsule shell 110 of controlled release microcapsules 100 when the pH of cathode local environment is increased to 9 or more automatically
Rupture, release internal corrosion inhibiter 120, corrosion inhibiter can be inorganic inhibition particle.
The preparation process of controlled release microcapsules may comprise steps of:
S1, soluble prepolymer a and dispersing agent are added into solvent A, are uniformly dispersed in soluble prepolymer more
In solvent A.Wherein, performed polymer refers to comprising at least one of ester group or thioester substrate, can be broken the object of decomposition under alkaline condition
Matter, such as amino resins performed polymer；Solvent A can be water or solvent miscible with water；Dispersing agent can be lauryl sodium sulfate,
Gum arabic (Gum Arabic), xanthan gum, diatomite etc..
S2, corrosion inhibiter is dissolved in solvent B, solubility of the corrosion inhibiter in solvent B is greater than the dissolution in solvent A
Degree.Wherein, corrosion inhibiter may include sodium nitrite；Solvent B can be solvent miscible with water, such as tetrahydrofuran (THF), diformazan
Base formamide (DMF), adenylate (AMP) etc..
S3, the resulting solvent A of mixing and solvent B, add emulsifier, add catalyst again after mixing, reaction obtains
Microcapsule shell 110 includes the controlled release microcapsules 100 of corrosion inhibiter 120.The partial size of resulting controlled release microcapsules 100 is small
In 25 μm, it is placed in anticorrosive paint and uses.Wherein, catalyst can be inorganic acid, be polycondensed into for being catalyzed soluble prepolymer a
Macromolecular；It is micro- to form oil-in-water for promoting resulting solvent A and solvent B to form crow assistant effect (ouzo effect) for emulsifier
Particle, referring here particularly to A includes B；Common emulsifier is Tween-80, and Chinese is sorbitan monooleate polyoxy
Vinethene.
It when using anticorrosive paint described in the embodiment of the present invention, encounters under alkaline condition, the pre-polymerization in microcapsule shell 110
Know from experience fracture, functional group's (ester group and/or thioester substrate) in performed polymer in microcapsule shell 110 reacts with basic group, leads
It has caused microcapsule shell 110 to rupture, has released corrosion inhibiter 120.
Table 1 is one group of material parameters for preparing controlled release microcapsules.
Table 1
In table 1 above, melamine and formaldehyde reaction generate intermediate, and intermediate is reacted with PTT generates macromolecular
Performed polymer, wherein lauryl sodium sulfate and gum arabic are dispersing agent.
Correspondingly, the embodiment of the present invention also provides a kind of preparation method for above-mentioned anticorrosive paint.
Referring to Fig. 2, it illustrates a kind of flow chart of the preparation method of anticorrosive paint of the embodiment of the present invention, the methods
It specifically includes:
Step 101 obtains mixture by preset ratio mixing film forming matter, filler, auxiliary agent and solvent, high-speed stirred；
Step 102, into gained mixture, addition is mounted with the controlled release microcapsules of corrosion inhibiter, is uniformly dispersed, obtains
The anticorrosive paint, the pH liter of the microcapsule shells of the controlled release microcapsules in the controlled release microcapsules local environment
It is ruptured when to 9 or more, releases the corrosion inhibiter.
In the embodiment of the present invention, it is preferable that the parts by weight of the film forming matter are 30~70, the parts by weight of the filler
It is 0~50, the parts by weight of the auxiliary agent are 2.5~10, and the parts by weight of the solvent are 10~17, are mounted with the inhibition
The parts by weight of the controlled release microcapsules of agent are 0.5~30.
In the embodiment of the present invention, it is preferable that the dosage of the corrosion inhibiter accounts for the total amount of the controlled release microcapsules
10%~40%.
The partial size of the controlled release microcapsules is at 25 μm or less.
When preparing controlled release microcapsules, when the dosage of sustained release agent raw material is the controlled release microcapsules finally synthesized
Total amount 15%~45% when, the yield of controlled release microcapsules is higher.Correspondingly, resulting controlled release microcapsules are being synthesized
In, the dosage of corrosion inhibiter accounts for the 10%~40% of the total amount of resulting controlled release microcapsules.
In the embodiment of the present invention, it is preferable that the component of the microcapsule shell of the controlled release microcapsules includes having ester
The performed polymer of at least one of base and thioester substrate, the performed polymer rise to 9 in the pH of the controlled release microcapsules local environment
It is broken when above.
In the embodiment of the present invention, it is preferable that the performed polymer is amino resins performed polymer.
In the embodiment of the present invention, it is preferable that the film forming matter include one of epoxy resin, polyurethane and acrylic acid or
It is a variety of；
The filler includes one of talcum powder, nano silica, titanium dioxide and calcium carbonate or a variety of；
The auxiliary agent includes one of defoaming agent, wetting agent and dispersing agent or a variety of；
The corrosion inhibiter includes one or more of sodium nitrite, silicate and Quadrafos；
The solvent includes one or more of water, acetone, ethyl acetate and ethyl alcohol.
In the embodiment of the present invention, it is preferable that the defoaming agent is modified organic silicon ketone compound；
The wetting agent is organic silicon modified by polyether class；
The dispersing agent is lauryl sodium sulfate.
In order to enable those skilled in the art to better understand the present invention, illustrate below by way of specific embodiment of the present invention
The preparation method of anticorrosive paint.
Embodiment 1,
At 25 DEG C, film forming matter, the auxiliary agent of 2.5 parts by weight and the solvent of 10 parts by weight of 30 parts by weight are mixed, it is high
Speed stirs to get mixture.Wherein, film forming matter includes epoxy resin；Solvent includes water；Auxiliary agent includes that modified organic silicon ketone is compound
Object, organic silicon modified by polyether class and lauryl sodium sulfate.
Into gained mixture, addition is mounted with the controlled release microcapsules of sodium nitrite, wherein controlled release microcapsules
Parts by weight are 0.5, and the dosage of sodium nitrite accounts for the 10% of the total amount of controlled release microcapsules, and controllable Microcapsules Size is at 25 μm
Hereinafter, being uniformly dispersed, the anticorrosive paint is obtained.
The microcapsule shell of the controlled release microcapsules the pH of the controlled release microcapsules local environment rise to 9 with
It was ruptured when upper, and released the corrosion inhibiter.
Embodiment 2
At 25 DEG C, mixing the film forming matter of 70 parts by weight, the filler of 20 parts by weight, 10 parts by weight auxiliary agent and 17 weights
The solvent of number is measured, high-speed stirred obtains mixture.Wherein, film forming matter includes polyurethane；Solvent includes water；Filler includes talcum
Powder, nano silica, titanium dioxide and calcium carbonate；Auxiliary agent includes lauryl sodium sulfate.
Into gained mixture, addition is mounted with the controlled release microcapsules of sodium nitrite, wherein controlled release microcapsules
Parts by weight are 30, and the dosage of sodium nitrite accounts for the 45% of the dosage of controlled release microcapsules, and controlled release Microcapsules Size exists
25 μm hereinafter, be uniformly dispersed, obtain the anticorrosive paint.
The microcapsule shell of the controlled release microcapsules the pH of the controlled release microcapsules local environment rise to 9 with
It was ruptured when upper, and released the corrosion inhibiter.
Embodiment 3
At 25 DEG C, mixing the film forming matter of 50 parts by weight, the filler of 10 parts by weight, 7 parts by weight auxiliary agent and 14 weights
The solvent of number is measured, high-speed stirred obtains mixture.Wherein, film forming matter includes epoxy resin and acrylic acid；Solvent include acetone,
Ethyl acetate and ethyl alcohol；Filler includes talcum powder；Auxiliary agent includes modified organic silicon ketone compound and lauryl sodium sulfate.
Into gained mixture, addition is mounted with the controlled release microcapsules of sodium nitrite, wherein controlled release microcapsules
Parts by weight are 15, and the dosage of sodium nitrite accounts for the 30% of the total amount of controlled release microcapsules, and controlled release Microcapsules Size exists
25 μm hereinafter, be uniformly dispersed, obtain the anticorrosive paint.
The microcapsule shell of the controlled release microcapsules the pH of the controlled release microcapsules local environment rise to 9 with
It was ruptured when upper, and released the corrosion inhibiter.
Correspondingly, the embodiment of the present invention also provides a kind of application method for above-mentioned anticorrosive paint.Referring to Fig. 3, show
A kind of flow chart of the application method of anticorrosive paint of the embodiment of the present invention is gone out.The anticorrosive paint can be applied to Metal Substrate
The preservative treatment in face, the application method may include:
The anticorrosive paint is sprayed or is brushed or roller coating is in the surface of the metal basal plane by step 201, is formed anti-
Rotten film.
Step 202, when the pH of the controlled release microcapsules local environment reaches 9 or more, the micro- glue of controlled release
The microcapsule shell of capsule ruptures, and releases corrosion inhibiter, the corrosion inhibiter plays corrosion inhibition to the metal basal plane.
By anticorrosive paint spray or brush or roller coating by way of be coated on metal basal plane after, anticorrosive paint is solidificated in
Metal surface, after a certain localized metallic basal plane of metal basal plane corrodes, the pH liter of the localized metallic basal plane local environment
Height, when pH rises to 9 or more, the microcapsules coated in the controlled release microcapsules in the anticorrosive paint on the localized metallic basal plane
Casing rupture releases corrosion inhibiter, to prevent further corroding for the localized metallic surface.
The metal basal plane that other are not corroded or not serious (the metal basal plane institute corroded corrosion occurs
Locate the pH of environment less than metal basal plane 9), the controlled release microcapsule shell corresponded in the anticorrosive paint of covering will not rupture,
To effectively control the concentration of the corrosion inhibiter in anticorrosive paint, the inhibition efficiency of corrosion inhibiter is substantially increased, further substantially
Degree improves the anti-corrosion effect of anticorrosive paint, and salt spray resistance-anti-corrosion time increases to 8000h or so by original 1000h or so.
Correspondingly, the embodiment of the present invention also provides a kind of anti-corrosion water-proof composite material, the composite material includes that anti-corrosion applies
Layer and rubber coating, the corrosion-inhibiting coating are to construct to obtain by above-mentioned anticorrosive paint.
Rubber coating can be is constructed to obtain by rubber asphalt anticorrosive paint.The construction of rubber asphalt anticorrosive paint in practice
Mode can be spraying, brushing, roller coating or other applicable patterns.
Anionic emulsified bitumen, rubber latex and the additive that rubber asphalt anticorrosive paint is modified by vulcanized rubber form.
Wherein, the negative ion emulsification pitch of vulcanized rubber modification can be according to the pitch and 3~30 weights of 70~97 parts by weight
It is emulsified after measuring the ratio mixing of the vulcanized rubber of part.
Relative to traditional pitch, the embodiment of the present invention improves place to negative ion emulsification pitch using vulcanized rubber
Reason, to enhance the vulcanization construction effect of asphalt mixture.Therefore, the further manufactured initial stage of rubber coating after construction
It is high to start physical intensity, waterproof performance can be given full play to, and strength reply external impact can be formed；Alkali resistant etc. simultaneously
Chemicals is strong, and not only the concrete surface high in alkalinity, can also make in the multiple use that other need chemical-resistant resistance
With product than in the prior art has more excellent waterproof quality.
Abundant experimental results show to change relative to other mixed proportions according to the vulcanized rubber that above-mentioned mixed proportion obtains
The negative ion emulsification pitch of matter constructs effect with preferably vulcanization, and further manufactured rubber coating has better waterproofness
Energy.
Additive include one of defoaming agent, surfactant, antiaging agent, stabilizer, sun-screening agent and dispersing agent or
It is a variety of.Surfactant can selected from rosin soap, fatty acid soaps, alkyl diphenyl ether disulfonate, nonyl phenol ethoxylate and
One of sulfated methyl oleate sodium glutamate is a variety of；The dispersing agent includes condensed state naphthalene sulfonate salt；Stabilizer
It may include sodium alkyl sulfate；Sun-screening agent may include hydrophily 2- (2- hydroxyphenyl)-benzotriazole UV absorbers, hindered amine light
One of stabilizer and sun-screening agent containing hindered amine light stabilizer are a variety of.
When Specific construction, by anti-corrosion paint in the surface of metal basal plane, corrosion-inhibiting coating, then the anti-corrosion in formation are formed
The surface of coating sprays rubber asphalt anticorrosive paint, forms rubber coating.
In the embodiment of the present invention, due to containing controlled release microcapsules in corrosion-inhibiting coating, corrosion-inhibiting coating has preferable
Antisepsis, and joined the anionic emulsifying of vulcanized rubber modification in the rubber asphalt anticorrosive paint due to forming rubber coating
Pitch, rubber coating have the performances such as stronger waterproofness, alkali resistant, and therefore, composite material described in the embodiment of the present invention has
Preferable corrosion-resistanting waterproofing performance.
Above to a kind of anticorrosive paint provided by the present invention, a kind of preparation method of anticorrosive paint, a kind of anticorrosive paint
Application method and a kind of composite material be described in detail, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of composite material, which is characterized in that the composite material includes corrosion-inhibiting coating and rubber coating, the corrosion-inhibiting coating
It constructs to obtain by anticorrosive paint, the rubber coating is constructed to obtain by rubber coating；
The anticorrosive paint includes film forming matter, filler, auxiliary agent, the controlled release microcapsules and solvent for being mounted with corrosion inhibiter, described
The parts by weight of film forming matter are 30~70, and the parts by weight of the filler are 0~50, the parts by weight of the auxiliary agent are 2.5~
10, the parts by weight for being mounted with the controlled release microcapsules of the corrosion inhibiter are 0.5~30, and the parts by weight of the solvent are 10
~17, the component of the microcapsule shell of the controlled release microcapsules includes the amino at least one of ester group and thioester substrate
Resin prepolymer；
Anionic emulsified bitumen, rubber latex and the additive that the rubber coating is modified by vulcanized rubber form；
The microcapsule shell of the controlled release microcapsules is when the pH of the controlled release microcapsules local environment rises to 9 or more
Rupture, releases the corrosion inhibiter；The microcapsule shell when the pH of the controlled release microcapsules local environment is less than 9 not
Rupture.
2. composite material according to claim 1, it is characterised in that:
In the controlled release microcapsules, the dosage of the corrosion inhibiter account for the total amount of the controlled release microcapsules 10%~
40%；
The partial size of the controlled release microcapsules is at 25 μm or less.
3. composite material according to claim 1, it is characterised in that:
The film forming matter includes one of epoxy resin, polyurethane and acrylic acid or a variety of；
The filler includes one of talcum powder, nano silica, titanium dioxide and calcium carbonate or a variety of；
The auxiliary agent includes one of defoaming agent, wetting agent and dispersing agent or a variety of；
The corrosion inhibiter includes one or more of sodium nitrite, silicate and Quadrafos；
The solvent includes one or more of water, acetone, ethyl acetate and ethyl alcohol.
4. composite material according to claim 3, it is characterised in that:
The defoaming agent is modified organic silicon ketone compound；
The wetting agent is organic silicon modified by polyether class；
The dispersing agent is lauryl sodium sulfate.
5. composite material according to claim 1, which is characterized in that the anionic emulsifying drip of the vulcanized rubber modification
Blueness emulsifies after mixing according to the ratio of the pitch of 70~97 parts by weight and the vulcanized rubber of 3~30 parts by weight.
6. composite material according to claim 1, which is characterized in that the additive include defoaming agent, surfactant,
One of antiaging agent, stabilizer, sun-screening agent and dispersing agent are a variety of.
7. composite material according to claim 6, which is characterized in that the surfactant is selected from rosin soap, fatty acid
One of soap, alkyl diphenyl ether disulfonate, nonyl phenol ethoxylate and sulfated methyl oleate sodium glutamate are more
Kind；The dispersing agent includes condensed state naphthalene sulfonate salt；The stabilizer includes sodium alkyl sulfate；The sun-screening agent includes hydrophilic
One of property 2- (2- hydroxyphenyl)-benzotriazole UV absorbers, hindered amine light stabilizer are a variety of.
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| CN106801451A (en) * | 2017-02-27 | 2017-06-06 | 苏州科斯曼照明工程有限公司 | A kind of maintenance process of Outdoor Fire Hydrant valve interior wall |
| CN106905725B (en) * | 2017-04-13 | 2019-03-29 | 志合山海（北京）科技有限公司 | A kind of corrosion-inhibiting coating and preparation method thereof using on metal-based layer in Yu Haiyang |
| CN109517478A (en) * | 2018-10-16 | 2019-03-26 | 大禹伟业(北京)国际科技有限公司 | Anticorrosive paint and its preparation and construction method and composite layer |
| CN109401460A (en) * | 2018-10-16 | 2019-03-01 | 大禹伟业(北京)国际科技有限公司 | Anticorrosive paint, corrosion-inhibiting coating and preparation method thereof |
| CN109796851B (en) * | 2019-02-18 | 2020-08-21 | 中南大学 | Slow-release graphene heavy-duty anticorrosive paint and preparation method thereof |
| CN111205706A (en) * | 2020-02-26 | 2020-05-29 | 成都迪泰化工有限公司 | Preparation method of water-based fluorocarbon roller-coating metal paint |
| CN112662272A (en) * | 2020-12-13 | 2021-04-16 | 中国石油天然气集团公司 | Corrosion-resistant water-based epoxy self-repairing coating for petroleum casing pipe and preparation method and application thereof |
| CN117488307B (en) * | 2023-11-03 | 2024-04-16 | 东莞市德硕化工有限公司 | Metal surface treating agent and preparation method thereof |
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| US6075072A (en) * | 1998-03-13 | 2000-06-13 | 3M Innovative Properties Company | Latent coating for metal surface repair |
| KR101231588B1 (en) * | 2010-01-19 | 2013-02-08 | 주식회사 케이씨씨 | A resin composition for anti-corrosion paint comprising microcapsules containing phase change material and a two-component type anti-corrosion paint comprising the same |
| US9605162B2 (en) * | 2013-03-15 | 2017-03-28 | Honda Motor Co., Ltd. | Corrosion inhibiting compositions and methods of making and using |
| CN103436136B (en) * | 2013-07-24 | 2016-04-20 | 广州擎天材料科技有限公司 | Waterborne anti-corrosive primer for the application of crane outside surface of a kind of ambient temperature curable and preparation method thereof |
| CN104945991B (en) * | 2015-05-29 | 2017-09-22 | 大禹伟业(北京)国际科技有限公司 | A kind of construction method of corrosion-inhibiting coating |
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Denomination of invention: The invention relates to an anti-corrosion coating, a preparation and application method thereof and a composite material Effective date of registration: 20220128 Granted publication date: 20190705 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: DA YU WEI YE (BEIJING) INTERNATIONAL TECHNOLOGY Co.,Ltd. Registration number: Y2022990000071 |
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