CN104629585B - Anticorrosive paint taking rare earth cerium ion modified polyaniline hollow microspheres as additive - Google Patents
Anticorrosive paint taking rare earth cerium ion modified polyaniline hollow microspheres as additive Download PDFInfo
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention discloses an anticorrosive paint taking rare earth cerium ion modified polyaniline hollow microspheres as an additive. The anticorrosive paint consists of epoxy resin, polyaniline hollow microspheres with rare earth cerium ions loaded on surfaces, a diluent, an auxiliary agent and a curing agent according to certain proportions. A coating layer prepared on surfaces of steel and an alloy material thereof by virtue of curing molding according to the formula of the anticorrosive paint is good in anticorrosive effect, is environment-friendly and has a very good application prospect in the field of steel material corrosion protection.
Description
Technical field
The present invention relates to a kind of anticorrosive paint as additive for hollow polyaniline microspheres with rare-earth cerium ion modification, belong to
Metal material corrosion-resistant field.
Background technology
The major issue that steel corrosion is always concerned, people also therefore employ different methods to prevent corrosion
Occur.Wherein, the corrosion inhibiter containing chromium shows significant antiseptic effect on iron and steel and alloy, but chromic salts is containing toxic
And carcinogenicity, this also greatly limit its application.At present, there are many report rare-earth cerium ions to have preferable slow release effect, contain
The cerium salt having rare-earth cerium ion can be used as the corrosion inhibiter of iron and steel and alloy, and cerium ion has efficient, nontoxic, environmental friendliness
Etc. characteristic, and China's rare earth resources are abundant, cheap, and fully, efficiently exploitation rare earth resources are significant.
Polyaniline is a kind of important conducting polymer, has higher electric conductivity, preferable environmental stability and system
Standby easy, show in fields such as semi-conducting material, battery, ultracapacitor, electromagnetic shielding material, sensing and corrosion-inhibiting coatings
Huge application potential.At present, existing many special for corrosion-resistant field about polyaniline and its polyaniline zinc powder composite
Profit and document.But, in these reports, the antiseptic power of polyaniline itself is limited, could produce more after adding a large amount of zinc powders
Significantly antiseptic effect.Not only consume substantial amounts of metal zinc, also environment has been created with some detrimental effects.Therefore,
Efficiently, the design of environmentally friendly polyaniline anti-corrosive paint and preparation are still a very important trend.
Content of the invention
For polyaniline compound composite anti-corrosive coating of the prior art exist antiseptic power limited, consume a large amount of zinc powders and
To deficiencies such as environment not close friends, the purpose of the present invention be to provide a kind of to iron and steel and steel and alloy class material antiseptic effect
Preferably, the environment amenable hollow polyaniline microspheres using rare-earth cerium ion modification are as the anticorrosive paint of additive.
The invention provides a kind of anticorrosive paint as additive for hollow polyaniline microspheres with rare-earth cerium ion modification, should
Anticorrosive paint is grouped into by following mass percent group: epoxy resin 45～55%, area load has the polyphenyl of rare-earth cerium ion
Amine hollow microsphere 1～10%, diluent 20～25%, auxiliary agent 0.3～0.5%, curing agent 15～25%.
The hollow polyaniline microspheres external diameter that preferably in anticorrosive paint, area load has rare-earth cerium ion is 340～420nm,
Internal diameter is 220～260nm, and electrical conductivity is 8.95～47.46s/cm, and the mass percent of trivalent cerium ion is 5～30%.
The hollow polyaniline microspheres that preferably in anticorrosive paint, area load has rare-earth cerium ion are prepared via a method which
Obtain: aniline is prepared in polyaniline by self-assembly method in the solution containing poly- (2- acrylamide-2-methylpro panesulfonic acid)
Empty microballoon, after hollow polyaniline microspheres stir doping in cerous nitrate () solution, obtaining final product area load has rare-earth cerium ion
Hollow polyaniline microspheres.
Further preferred area load has the preparation method of the hollow polyaniline microspheres of rare-earth cerium ion: by poly- (2- third
Acrylamide base -2- methyl propane sulfonic acid) and aniline be added in ethanol/water mixed solvent, mix, obtain mixed solution, mix
The mass percent closing solution consists of: poly- (2- acrylamide-2-methylpro panesulfonic acid) 0.5～4.9%, and aniline 2.2～
2.5%, ethanol 7.4～7.8%, water 84.8～89.9%；Gained mixed liquor is warming up to after 50～80 DEG C, rapidly joins temperature
For 50～80 DEG C of ammonium persulfate aqueous solution, after maintaining thermotonus 1～2min, adjust the temperature to immediately 0～5 DEG C anti-further
Answer 4～12h；Breakdown of emulsion, washing, the hollow polyaniline microspheres obtaining；Gained hollow polyaniline microspheres are placed in mass percent concentration
In cerous nitrate () solution for 0.057～2.79%, at a temperature of 25～50 DEG C stir doping 4～12h, suction filtration, washing, do
Dry, obtaining area load has the hollow polyaniline microspheres of rare-earth cerium ion.
Preferably anticorrosive paint epoxy resin is e-51 or e-44, is commercially available regular industrial level product.
Preferably in anticorrosive paint, diluent is made up of according to mass ratio 2～3:1 dimethylbenzene and n-butanol.Most preferably by
Dimethylbenzene and n-butanol form according to mass ratio 2.37:1.
Preferably in anticorrosive paint, auxiliary agent is byk-306；Can buy in German Bi Ke chemical company.
Preferably in anticorrosive paint, curing agent is polyamide 6 51；For commercially available regular industrial level product.
Compared with prior art, beneficial effects of the present invention: area load is had the poly- of rare-earth cerium ion by the present invention first
Aniline hollow microsphere is applied to ferrous materials anticorrosion paint formulation as anticorrosive packing, obtains and Iorn steel and alloy is had very
The corrosion-inhibiting coating of good antiseptic effect.Area load have in the hollow polyaniline microspheres of rare-earth cerium ion the rare-earth cerium ion of trivalent with
Polyaniline perfect adaptation, is added in steel anti-corrosive coating, the antiseptic power of corrosion-inhibiting coating is obviously improved.As experiment
Data display (as table 1), the paint film adhesion being loaded with the anticorrosive polyaniline coating of rare-earth cerium ion is 1 grade, but electric from corroding
Position has brought up to -0.376v, than epoxy coating and polyaniline coating will be high, corrosion current density is but 10-4μa/cm2
Rank.Measured result in 3.5%nacl solution for the corrosion-inhibiting coating displays that with the addition of area load has the poly- of rare-earth cerium ion
The anticorrosive paint of aniline hollow microsphere additive has preferable antiseptic effect.The present invention with the addition of area load have cerium from
The anticorrosive paint of the hollow polyaniline microspheres additive of son has wide application market in iron and steel and alloy corrosion-resistant field.
Brief description
[Fig. 1] is obtained, for the embodiment of the present invention 1, the scanning electricity that area load has the hollow polyaniline microspheres of rare-earth cerium ion
Sub- microscope figure, energy spectrum analysis figure and transmission electron microscope figure: a is the scanning electron microscope (SEM) photograph under 20,000 multiplying powers；B is 100,000 multiplying powers
Under scanning electron microscope (SEM) photograph；C is corresponding to the energy spectrum analysis in rectangular area in a；D is transmission electron microscope picture.
[Fig. 2] is the infrared spectrogram of the hollow polyaniline microspheres that the area load that embodiment 1 is obtained has rare-earth cerium ion.
[Fig. 3] is the x photoelectron spectroscopy of the hollow polyaniline microspheres that the area load that embodiment 1 is obtained has rare-earth cerium ion
Analysis chart.
[Fig. 4] is the electric conductivity of hollow polyaniline microspheres and the resistance that the area load that embodiment 1 is obtained has rare-earth cerium ion
Anti- figure: a is conductivity map；B is impedance diagram.
[Fig. 5] be the embodiment of the present invention 3 and 5 and the area load that with the addition of that is obtained of comparative example 2 have rare-earth cerium ion
The corrosion-inhibiting coating of hollow polyaniline microspheres additive scanning electron microscope diagram: a is to the addition of 1% area load and have rare earth
The scanning electron microscope (SEM) photograph of the corrosion-inhibiting coating of hollow polyaniline microspheres additive of cerium ion；B is to the addition of 5% area load to have rare earth
The scanning electron microscope (SEM) photograph of the corrosion-inhibiting coating of hollow polyaniline microspheres additive of cerium ion；C be with the addition of 10% area load have dilute
The scanning electron microscope (SEM) photograph of the corrosion-inhibiting coating of hollow polyaniline microspheres additive of native cerium ion；D is to the addition of 15% area load to have
The scanning electron microscope (SEM) photograph of the corrosion-inhibiting coating of hollow polyaniline microspheres additive of rare-earth cerium ion.
[Fig. 6] is that the hollow polyaniline microspheres that the area load that embodiment 3 is obtained has rare-earth cerium ion are configured to anti-corrosion painting
Layer and comparative example 1 be obtained pani be used for iron-based material on anticorrosive test (720h) optical picture: a be pani；B is
pani/ce3+.
Specific embodiment
Specific examples below is intended to further illustrate present invention, and unrestricted the scope of protection of the invention.
Embodiment 1
6.32g absolute ethyl alcohol, 72.00g water, 2.08g is taken to contain poly- (2- acrylamide-2-methylpro panesulfonic acid) (referred to as
Pamps, mass fraction 20%) the aqueous solution be added in 250ml beaker, stir.Be subsequently added 1.86g aniline in
In above-mentioned mixed liquor, after ultrasonic 10min, the above-mentioned mixture system containing aniline is warming up to 80 DEG C, and magnetic force at this temperature
Stirring 10min.Temperature is 80 DEG C, the aqueous solution of the 40ml containing 4.56g ammonium persulfate rapidly joins above-mentioned containing aniline
In mixed liquor, 80 DEG C of reaction 60s of constant temperature under agitation.In the ice-water bath being subsequently 0-5 DEG C by reaction system transposition temperature
Continue reaction 12h.Using acetone breakdown of emulsion, washing, suction filtration, obtain hollow polyaniline microspheres.By the hollow polyaniline microspheres obtaining
It is added in the 50ml aqueous solution containing 0.36g cerous nitrate (), magnetic agitation 12h under room temperature, suction filtration, wash, be dried to obtain
Area load has the hollow polyaniline microspheres of rare-earth cerium ion.Carry out specific surface area test, specific surface area is 9.68m2/g.
The area load of the electron scanning micrograph display preparation of Fig. 1 has the polyaniline microsphere external diameter of rare-earth cerium ion
It is about 380nm, the polyaniline microsphere that the area load of transmission electron microscope figure display preparation has rare-earth cerium ion assumes hollow
Structure, and wall thickness about 67nm about, ball internal diameter about 244nm about.
Fig. 2 has the infrared spectrogram of the polyaniline microsphere of rare-earth cerium ion for area load.1562cm-1And 1490nm-1Point
Not Wei the quinone ring of polyaniline and phenyl ring characteristic peak it was demonstrated that the presence of polyaniline.1645cm-1For pamps characteristic peak.1142cm-1For
C-n telescope features peak, after rare earth doped cerium ion, this characteristic peak broadens, in 1105cm-1Place also occur peak position explanation cerium ion with
Electron rich n there occurs synergy.
Fig. 3 has the x photoelectron spectral data of the hollow polyaniline microspheres of rare-earth cerium ion, wherein cerium ion for area load
The appearance of peak position also demonstrate that hollow polyaniline microspheres successfully adulterate and loaded cerium ion.
The area load of Fig. 4 position preparation has the electrical conductivity of hollow polyaniline microspheres and the impedance data of rare-earth cerium ion, knot
Fruit shows that the percentage composition with cerium ion increases, and the electrical conductivity of hollow microsphere increases to 46.76s/ always from 8.95s/cm
Cm, impedance spectrum displays that the charge-transfer resistance (arc radius) of microballoon is gradually lowered.
Table 1 is the energy spectrum analysis data of Fig. 1 (c)
| Element | Wt% | Wt%sigma |
| c | 72.05 | 0.61 |
| n | 13.40 | 0.68 |
| o | 10.56 | 0.24 |
| s | 3.12 | 0.05 |
| ce | 0.88 | 0.05 |
| Total amount: | 100.00 |
Embodiment 2
6.32g absolute ethyl alcohol, 72.00g water, 2.08g is taken to contain poly- (2- acrylamide-2-methylpro panesulfonic acid) (referred to as
Pamps, mass fraction 40%) the aqueous solution be added in 250ml beaker, stir.Be subsequently added 1.86g aniline in
In above-mentioned mixed liquor, after ultrasonic 10min, the above-mentioned mixture system containing aniline is warming up to 65 DEG C, and magnetic force at this temperature
Stirring 10min.Temperature is 65 DEG C, the aqueous solution of the 40ml containing 4.56g ammonium persulfate rapidly joins above-mentioned containing aniline
In mixed liquor, 65 DEG C of reaction 80s of constant temperature under agitation.In the ice-water bath being subsequently 0-5 DEG C by reaction system transposition temperature
Continue reaction 6h.Using acetone breakdown of emulsion, washing, suction filtration, obtain hollow polyaniline microspheres.The hollow polyaniline microspheres obtaining are added
Enter in the 50ml aqueous solution containing 0.18g cerous nitrate (), magnetic agitation 8h under room temperature, suction filtration, wash, be dried to obtain surface
It is loaded with the hollow polyaniline microspheres of rare-earth cerium ion.Carry out specific surface area test, specific surface area 9.55m2/g.
Embodiment 3
The polyaniline microsphere that the area load being obtained with embodiment 1 has rare-earth cerium ion is joined for ferrous materials anticorrosive paint
Side:
Weigh 15.0g e-51 epoxy resin, 4.5g dimethylbenzene, 1.9g n-butanol and 0.12g levelling agent byk- respectively
306 mix at 35～40 DEG C of room temperature, and the hollow polyaniline microspheres that the area load of 1.1g is had rare-earth cerium ion add
To in above-mentioned epoxy mixed liquor, after stirring, add in cone mill, grind and obtain a component 3 times.By 6.0g b component, (curing agent gathers
Acid amides 651) it is added in above-mentioned a component, obtaining after stirring with the addition of area load has in the polyaniline of rare-earth cerium ion
Empty microballoon anticorrosive paint.By anti-corrosion paint obtained above in steel surface (area 1.0 × 1.0cm2), coating thickness control
System is used for electro-chemical test at 40 ± 5 μm.Other is 15.0 × 7.0cm by size2Iron plate be also coated with coating, apply thickness
Degree controls at 200 ± 10 μm, and two mutually perpendicular length are 8.0cm on central area is drawn, and width is the straight line of 0.5cm
It is soaked in 3.5% sodium chloride brine and carry out corrosion resistance experiment.
Fig. 5 (b) be embodiment 3 preparation with the addition of area load have rare-earth cerium ion hollow polyaniline microspheres anti-corrosion
The scanning electron microscope diagram piece of coating, the surfacing of coating as seen from the figure, no hollow phenomenon occur.Additionally, the paint of table 2
Film adhesive force test result shows that the adhesive force of this coating is 1 grade, shows that the adhesive force of coating is preferable.The data of table 2 also shows
With the addition of area load to have the corrosion potential of the hollow polyaniline microspheres corrosion-inhibiting coating of rare-earth cerium ion is -0.376v, than list
Wanting of one corrosion-inhibiting coating adding hollow polyaniline microspheres is high, and the corrosion current density of coating is reduced to 1.256 × 10-4μ
a/cm2.The measured result of Fig. 6 displays that the corrosion-inhibiting coating that with the addition of the hollow polyaniline microspheres that area load has rare-earth cerium ion
Anti-corrosion effects preferably, the very big resistance to corrosion enhancing coating of the addition of cerium ion.
Table 2 has the performance test data of the anticorrosive paint of hollow polyaniline microspheres of rare-earth cerium ion for area load
Embodiment 4
The hollow polyaniline microspheres that the area load being obtained with embodiment 2 has rare-earth cerium ion are used for the anti-corrosion painting of ferrous materials
Material formula:
Weigh 13.0g e-51 epoxy resin, 4.5g dimethylbenzene, 1.9g n-butanol and 0.09g levelling agent byk- respectively
306 mix at 35～40 DEG C of room temperature, and the hollow polyaniline microspheres that the area load of 1.5g is had rare-earth cerium ion add
To in above-mentioned epoxy mixed liquor, after stirring, add in cone mill, grind and obtain a component 3 times.By 5.0g b component, (curing agent gathers
Acid amides 651) it is added in above-mentioned a component, obtaining after stirring with the addition of area load has in the polyaniline of rare-earth cerium ion
The anticorrosive paint of empty microballoon.Paint film adhesion test result display adhesive force is 1 grade, and Electrochemical results show oneself of coating
Corrosion potential is -0.354v, and corrosion current density is still 10-4μa/cm2Rank, the resistance to corrosion of coating is preferable.
Embodiment 5
The hollow polyaniline microspheres that the area load being obtained with embodiment 1 has rare-earth cerium ion are used for the anti-corrosion painting of ferrous materials
Material formula:
Weigh 15.0g e-51 epoxy resin, 4.5g dimethylbenzene, 1.9g n-butanol and 0.12g levelling agent byk- respectively
306 mix at 35～40 DEG C of room temperature, and the hollow polyaniline microspheres that the area load of 3.06g is had rare-earth cerium ion add
To in above-mentioned epoxy mixed liquor, after stirring, add in cone mill, grind and obtain a component 3 times.By 6.0g b component, (curing agent gathers
Acid amides 651) it is added in above-mentioned a component, obtaining after stirring with the addition of area load has in the polyaniline of rare-earth cerium ion
The anticorrosive paint of empty microballoon.Paint film adhesion test result display adhesive force is 1 grade, and Electrochemical results show oneself of coating
Corrosion potential is -0.348v, and corrosion current density is still 10-4μa/cm2Rank, coating surface slightly hollow；As Fig. 5 (c) institute
Show, but totally more smooth, and the resistance to corrosion of coating is preferable.
Comparative example 1
Weigh 15.0g e-51 epoxy resin, 4.5g dimethylbenzene, 1.9g n-butanol and 0.12g levelling agent byk- respectively
306 mix at 35～40 DEG C of room temperature, 1.1g hollow polyaniline microspheres (not containing rare-earth cerium ion) are added to above-mentioned
In epoxy mixed liquor, after stirring, add in cone mill, grind and obtain a component 3 times.By 6.0g b component (curing agent polyamide
651) it is added in above-mentioned a component, obtain after stirring being added with the anticorrosive paint of hollow polyaniline microspheres.Obtain above-mentioned
Anti-corrosion paint in steel surface (area 1.0 × 1.0cm2), coating thickness controls and is used for electrochemistry survey at 40 ± 5 μm
Examination.Other is 15.0 × 7.0cm by size2Iron plate be also coated with coating, coating thickness controls at 200 ± 10 μm, and
It is 8.0cm that two mutually perpendicular length are drawn in central area, and width is that the straight line of 0.5cm is soaked in 3.5% sodium chloride brine
In carry out corrosion resistance experiment.
The corrosion potential of the data display corrosion-inhibiting coating of table 2 is -0.522v, and the corrosion current density of coating is
1.318×10-4μa/cm2.The measured result of Fig. 6 displays that the anticorrosive effect of the corrosion-inhibiting coating that with the addition of hollow polyaniline microspheres
Fruit has the hollow polyaniline microspheres antiseptic effect of rare-earth cerium ion not as good as area load.
Comparative example 2
Weigh 15.0g e-51 epoxy resin, 4.5g dimethylbenzene, 1.9g n-butanol and 0.12g levelling agent byk- respectively
306 mix at 35～40 DEG C of room temperature, and 4.86g area load prepared by embodiment 1 has the polyaniline of rare-earth cerium ion
Hollow microsphere is added in above-mentioned epoxy mixed liquor, after stirring, adds in cone mill, grinds and obtain a component 3 times.By 6.0g b
Component (curing agent polyamide 6 51) is added in above-mentioned a component, obtains with the addition of the anti-of hollow polyaniline microspheres after stirring
Rotten coating.By anti-corrosion paint obtained above in steel surface (area 1.0 × 1.0cm2), coating thickness controls 40 ±
5 μm are used for electro-chemical test.
Electrochemical test data show this with the addition of the corrosion potential of the corrosion-inhibiting coating of hollow polyaniline microspheres be-
0.311v, the corrosion current density of coating is 1.349 × 10-4μa/cm2.But, Fig. 5 (d) shows coating surface out-of-flatness.
Claims (5)
1. a kind of anticorrosive paint as additive for hollow polyaniline microspheres with rare-earth cerium ion modification it is characterised in that
It is grouped into by following mass percent group:
Epoxy resin 45～55%,
Area load has the hollow polyaniline microspheres 1～10% of rare-earth cerium ion,
Diluent 20～25%,
Auxiliary agent 0.3～0.5%,
Curing agent 15～25%；
Described area load have rare-earth cerium ion hollow polyaniline microspheres external diameter be 340～420nm, internal diameter be 220～
260nm, electrical conductivity is 8.95～47.46s/cm, and the mass percent of trivalent cerium ion is 5～30%；Described area load
The hollow polyaniline microspheres having rare-earth cerium ion are prepared via a method which to obtain: by aniline containing poly- (2- acrylamido -2-
Methyl propane sulfonic acid) solution in hollow polyaniline microspheres are prepared by self-assembly method, hollow polyaniline microspheres are cerous nitrate ()
After stirring doping in solution, obtaining final product area load has the hollow polyaniline microspheres of rare-earth cerium ion.
2. anticorrosive paint according to claim 1 is it is characterised in that described epoxy resin is e-51 or e-44.
3. anticorrosive paint according to claim 1 it is characterised in that described diluent by dimethylbenzene and n-butanol according to
Mass ratio 2～3:1 forms.
4. anticorrosive paint according to claim 1 is it is characterised in that described auxiliary agent is byk-306.
5. anticorrosive paint according to claim 1 is it is characterised in that described curing agent is polyamide 6 51.
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| CN112592652A (en) * | 2020-12-01 | 2021-04-02 | 北京联合大学 | Preparation method of polyaniline/cerium nitrate/epoxy polymer coating |
| CN115558384B (en) * | 2022-11-02 | 2023-12-08 | 广东睿智环保科技股份有限公司 | Low-temperature-cured high-corner-coverage powder coating and preparation method thereof |
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| AU2104683A (en) * | 1982-11-08 | 1984-05-17 | International Paint Plc | Marine antifouling paint |
| CN102134410B (en) * | 2010-01-27 | 2015-11-25 | 张国庆 | A kind of high-performance water-based anticorrosion paint and preparation method thereof |
| CN102732128B (en) * | 2012-07-04 | 2014-08-06 | 苏州义创新材料科技有限公司 | Nanometer polyaniline anticorrosive coating and preparation method therefor |
| CN103214670B (en) * | 2013-03-05 | 2016-02-10 | 中国科学院长春应用化学研究所 | Aqueous polyanion hollow microsphere and preparation method thereof |
| CN103772874B (en) * | 2014-01-06 | 2016-02-24 | 中南大学 | Cerous nitrate/silver/poly-(2-acrylamide-2-methylpro panesulfonic acid) doped polyaniline trielement composite material and preparation |
| CN103897558B (en) * | 2014-04-22 | 2016-08-17 | 中国科学院宁波材料技术与工程研究所 | High-performance water-based polyaniline anti-corrosive paint and preparation method thereof and application |
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