CN109135379A - A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method - Google Patents
A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method Download PDFInfo
- Publication number
- CN109135379A CN109135379A CN201810952724.4A CN201810952724A CN109135379A CN 109135379 A CN109135379 A CN 109135379A CN 201810952724 A CN201810952724 A CN 201810952724A CN 109135379 A CN109135379 A CN 109135379A
- Authority
- CN
- China
- Prior art keywords
- graphene
- salt spray
- anticorrosive paint
- spray resistance
- masterbatch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
Abstract
The present invention relates to salt spray resistance anticorrosive paint technology fields, and in particular to a kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method.Using graphene surface supported nano zinc oxide material as composite modifier, aluminium triphosphate and composite modifier are mixed in water and are made into slurry；Grinding modification is carried out again, and filtering, dry collect obtain solid matter；Solid matter is dispersed in the ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid, then be dispersed with stirring 1~2h in 400~800rpm, obtains modified aluminium triphosphate/graphene glue；Modified aluminium triphosphate/graphene liquid cement agitation is uniformly sent into spray dryer to be spray-dried afterwards, 5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.The salt spray resistance anticorrosive paint graphene masterbatch salt fog resistance and corrosion resistance and good being prepared using the method for the present invention, long service life.
Description
Technical field
The present invention relates to salt spray resistance anticorrosive paint technology fields, and in particular to a kind of salt spray resistance anticorrosive paint is female with graphene
Material and preparation method.
Background technique
Economic loss caused by the annual metal erosion in the whole world is that the natural calamities such as earthquake, fire, typhoon lose summation
6 times, therefore, the excellent metal erosion means of defence of Devoting Major Efforts To Developing seems most important, wherein prevent metal erosion it is most effective,
Most common method first is that metal surface coat erosion shield.
For a long time, coatings industry uses leaded, chromium (VI) although etc. toxic metals rust resisting pigment have it is excellent
Rustless property, but they are well-known serious harm caused by human body and environment and pollution.Aluminium triphosphate belongs to
The nuisanceless white rust resisting pigment of environment-friendly type, appearance is pale powder, non-toxic, without toxic heavy metal elements such as lead, chromium, is
Lead, the ideal regeneration product of the toxic rust resisting pigment of chromium system.Aluminium triphosphate inherently has very strong antirust ability, but due to acid
Property, the reasons such as solubility, exclusive use is difficult to reach ideal anti-corrosion effect.
Graphene can be effectively improved the salt spray resistance and corrosion resistance of coating as a kind of two-dimensional flaky material.
But the graphene of Nano grade itself is easily reunited, can not be evenly dispersed when being used for anticorrosive paint, causes performance undesirable.Separately
Outside, aluminium triphosphate and its modifying agent zinc oxide are inorganic matter, differ larger with coating interface compatibility.Therefore, in solution
The dispersion for stating additive is to obtain the premise for the coating haveing excellent performance.
Application No. is 201711381030.1 patent applications to disclose a kind of double-component aqueous graphite-epoxy alkene anti-corrosion painting
The preparation method of material.The present invention prepares epoxy resin latex with epoxidized polyether addition product emulsion epoxy resin, with amino-polyether and
Polyamine is reacted with epoxy resin prepares polyether modified epoxy amine additives curing agent.With the epoxy resin amine additives and zinc
Powder, pigments and fillers and graphene prepare zinc slurry as component A；It is molten that esters of silicon acis is prepared with silane coupling agent and esters of silicon acis cohydrolysis
Glue, the esters of silicon acis colloidal sol are mixed with above-mentioned epoxy resin latex as B component.Appropriate graphene is to zinc slurry and silicate sol
It has been significantly increased the antiseptic property of waterborne zinc-rich primer to the modification of epoxy emulsion, reaching same anti-corrosion effect can substantially drop
Low zinc powder dosage.Gained aqueous priming paint VOC content is low, greatly reduces organic solvent and pollution of the zinc powder to environment, eliminates fire
And security risk.Coating excellent storage stability, construction safety is convenient, and coating fast drying, paint film adhesion is strong, and antiseptic property is excellent
It is different.
Application No. is 201711300934.7 patent applications to disclose a kind of aluminium alloy low-density based on graphene
Anticorrosive paint and preparation method thereof.It is a kind of based on the aluminium alloy of graphene low-density anticorrosive paint, including component A and B component,
Wherein the component A includes the component of following parts by weight: 40~60 parts of epoxy resin, 5~15 parts of graphene slurry, pigment 10~
20 parts, 5~10 parts of filler, 0.5~1.5 part of levelling agent, 0.5~1 part of dispersing agent, 10~20 parts of diluent.It is prepared by the present invention
Coating surface density is low, has preferable antiseptic property while with lighting.Compared with existing coating, painting prepared by the present invention
Expect good mechanical performance and good flexibility, adhesive force, water resistance, resistance to gasoline, salt spray resistance, light, the low feature of surface density,
Be conducive to as coating equipment loss of weight, there is huge application potential and broad application prospect in aviation field.
A kind of carried by dendritic macromole, which is disclosed, application No. is 201711120382.1 patent application disperses system
The method of standby graphene anticorrosive paint.It proposes to carry dispersed graphite alkene using dendritic macromole and be configured in coating, due to
Dendritic macromole surface group containing there are many, can effectively adsorb, carry graphene, good with cold coating compatibility, mention
The dispersibility for having risen graphene avoids its own reunion.Relative to the general dispersing method of graphene in coating, the method for the present invention point
It is more preferable to dissipate effect, and can significantly promote graphene incorporation, preferably utilizes the excellent properties of graphene.
Application No. is 201710103915.9 patent application disclose a kind of epoxidation zone rust graphene anticorrosive paint and its
Preparation method.A kind of epoxidation zone rust graphene anticorrosive paint, weight percentage, graphene 0.1%-5%, epoxy
Resin 30%-60%, reactive pigment 20%-40%, pigments and fillers 10%-30%, dispersing agent 0.1%-10%, coating additive
0.1%-5%, solvent 8%-30%.Coating provided by the invention, each ingredient chemiluminescence, obtained coating and rusty scale knot
It closes closely, and antiseptic property is excellent, realizes application over rust, long-effective corrosion, bottom surface unification.The present invention passes through the side of preparation accordingly
Method acts synergistically between each ingredient, obtains graphene powder and disperses uniform coating, this method prepare it is simple and easy to do, it is obtained
The superior performance of coating.
Application No. is 201610514865.9 patent applications to disclose a kind of acrylic resin modified anti-corrosion painting of graphene
Material, the coating include following parts by weight of component: 60-70 parts of water-based acrylic resin, 18-24 parts of condensation copolymerization resin, isopropylbenzene mistake
4-9 parts of hydrogen oxide, 4.5-6.5 parts of polysulfone resin, 4-6 parts of methyl benzotriazazole, 11-14 parts of graphene, phytase
5-8 parts, 9-15 parts of hexamethylene diisocyanate biruet, 4-7 parts of disodium ethylene diamine tetraacetate, 11-14 parts of zinc naphthenate.This
The acrylic resin modified anticorrosive paint of invention graphene has good wearability and high temperature resistance, improve coating and basal plane it
Between bond strength, improve curing rate at various temperatures, and also there is good water resistance and resistance to chemical corrosion.
Summary of the invention
Haves the defects that bad dispersibility for currently with modified anti-corrosive coatings such as graphene, aluminium triphosphates, the present invention
It is proposed a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch, a kind of salt spray resistance anti-corrosion that this method is prepared applies
Material graphene masterbatch salt fog resistance and corrosion resistance and good, long service life.
In order to achieve the above first purpose, a kind of preparation of salt spray resistance anticorrosive paint graphene masterbatch of the invention
Method is made of following steps:
(a) is using graphene surface supported nano zinc oxide material as composite modifier, by aluminium triphosphate and composite modifier
Mixing is made into slurry in water；
(b) slurry described in (a) step is carried out grinding modification by, and filtering, dry collect obtain solid matter；
(c) solid matter obtained by (b) step is dispersed in the ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid and obtains by
High speed disperser is moved into mixture A, then by mixture A, 1~2h is dispersed with stirring under 400~800rpm mixing speed, makes it
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, and 5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving；In the spray-drying process, setting charging
Rate is 1~5L/min, and the inlet temperature of spray dryer is 120~150 DEG C, 70~85 DEG C of outlet temperature, revolving speed 500~
700rpm。
(d) when the dry modified aluminium triphosphate/graphene glue of step, temperature is not easy excessively high, and temperature is excessively high, obtained production
Moral character can be poor, while residence time is also unsuitable too short, and the too short residence time, modified aluminium triphosphate/graphene glue was dry
Not exclusively, while the waste of energy is caused.Material will be contacted uniformly with heat transferring medium when spray drying, and ability thermally equivalent is dry
It is dry, therefore charging rate is also unsuitable too fast, the excessively slow production efficiency of charging rate is also low.In order to be heated evenly, in addition to control into
Expect also be stirred other than rate.By experimental studies have found that, in spray-drying process, feed rate be 1~5L/min,
The inlet temperature of spray dryer is 120~150 DEG C, 70~85 DEG C of outlet temperature, when 500~700rpm of revolving speed, and obtained production
Good, the high production efficiency of moral character energy, modified aluminium triphosphate/graphene glue are uniformly contacted with heat transferring medium, are heated evenly.Cause
This, in spray-drying process, sets feed rate as 1~5L/min, the inlet temperature of spray dryer is 120~150 DEG C, out
70~85 DEG C of temperature of mouth, 500~700rpm of revolving speed is very important.
The production method of graphene surface supported nano zinc oxide material is simple, but its ratio is more crucial, nano oxygen
Change zinc or graphite is excessive or very few, the performance for the salt spray resistance anticorrosive paint graphene masterbatch being finally prepared all can be by not
With the influence of degree, by experimental studies have found that, nano zine oxide powder and graphene are 1~9:25~50 according to mass ratio,
The salt spray resistance anticorrosive paint graphene masterbatch performance being prepared is good, therefore further, graphene surface described in (a) step
Supported nano zinc oxide material is prepared as composite modifier by following methods: nano zine oxide powder is pressed with graphene
It is the mixing of 1~9:25~50 according to mass ratio, stirs evenly the graphene up to area load nano zine oxide.
Further, the mass ratio of aluminium triphosphate and composite modifier described in (a) step is 40~80:8~19.
It is further preferred that the mass ratio of aluminium triphosphate described in (a) step and composite modifier is 60~70:8~15.
Further, (b) described in step grinding be modified as using grinder grind 1h or more, the drying temperature be 50~
75 degrees Celsius.
Further, (c) solid matter described in step with as the ethene-vinyl acetate copolymer emulsion of rubber powder precursor liquid
Mass ratio is 20~50:110~149.Ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid is redispersable latex powder
Conventional raw material, drying after be re-dispersible glue powder, emulsion concentration preferred mass concentration 25%.
It is further preferred that (c) solid matter described in step and the ethene-vinyl acetate copolymerization as rubber powder precursor liquid are newborn
The mass ratio of liquid is 35~45:110~149.
Preferably, mixture A (c) is moved into high speed disperser described in step, is stirred under 600~700rpm mixing speed
Disperse 1.5~2h.
It is further preferred that setting feed rate (d) in the spray-drying process described in step as 1~3L/min, spraying
The inlet temperature of mist drier be 140~150 DEG C, 70~80 DEG C of outlet temperature, 550~600rpm of revolving speed.
The invention solves second technical problem be to provide a kind of salt spray resistance anticorrosive paint graphene masterbatch.
To reach above-mentioned second purpose, a kind of of the invention salt spray resistance anticorrosive paint is with graphene masterbatch using such as
On preparation method be prepared.
The utility model has the advantages that the present invention is using graphene surface supported nano zinc oxide material as composite modifier, by trimerization phosphorus
Sour aluminium and composite modifier mix in water is made into slurry, then carries out grinding modification, and filtering, dry collect obtain solid
Matter；Gained solid matter is dispersed in the ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid, high speed dispersion is moved into
Machine is dispersed with stirring 1~2h under 400~800rpm mixing speed, is thoroughly dispersed in it in lotion, obtains modified tripolyphosphate
Aluminium/graphene glue is sent into spray dryer after mixing evenly and is spray-dried, 5~10 μm of powder obtained after sieving, i.e.,
Graphene salt spray resistance masterbatch.In spray-drying process, feed rate is set as 1~5L/min, the inlet temperature of spray dryer
It is 120~150 DEG C, 70~85 DEG C of outlet temperature, 500~700rpm of revolving speed, there is following significant advantage:
(1) the present invention is by aluminium triphosphate modified using graphene surface supported nano zinc oxide material as composite modifier,
It is then dispersed in atomization drying in rubber powder precursor liquid, it is compound to obtain re-dispersible glue powder coating modification aluminium triphosphate/graphene
Particle, as graphene salt tolerant masterbatch；By coating the rubber powder of favorable dispersibility on surface, solve graphene and tripolyphosphate
The technological deficiency of aluminium dispersion easy to reunite, difficult
(2) compound the changing for the salt spray resistance anticorrosive paint graphene masterbatch containing graphene that is prepared using method of the invention
Property agent and aluminium triphosphate are composite modified, can improve the salt fog resistance and corrosion resistance of coating, prolong the service life.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(a) mixes 900g nano-zinc oxide powder with graphene 5000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification, filtering, 50 degrees Celsius of dryings using grinder grinding 1h
Collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 23kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 1.2L/min, the inlet temperature of spray dryer is 120 DEG C, outlet
Temperature 70 C, revolving speed 500rpm.5~8 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance is female
See Table 1 for details for the performance test results of material.
Embodiment 2
(a) mixes 900g nano-zinc oxide powder with graphene 4000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification, filtering, 50 degrees Celsius of dryings using grinder grinding 1h
Collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 23kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 2L/min, the inlet temperature of spray dryer is 130 DEG C, outlet temperature
75 DEG C of degree, revolving speed 550rpm.8~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Embodiment 3
(a) mixes 900g nano-zinc oxide powder with graphene 3000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 50 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 23kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 3L/min, the inlet temperature of spray dryer is 140 DEG C, outlet temperature
80 DEG C of degree, revolving speed 550rpm.6~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Embodiment 4
(a) mixes 350g nano-zinc oxide powder with graphene 3500g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 60 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 23kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 3L/min, the inlet temperature of spray dryer is 150 DEG C, outlet temperature
80 DEG C of degree, revolving speed 550rpm.5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Embodiment 5
(a) mixes 350g nano-zinc oxide powder with graphene 3500g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 65 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 30kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 3L/min, the inlet temperature of spray dryer is 150 DEG C, outlet temperature
80 DEG C of degree, revolving speed 550rpm.5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Embodiment 6
(a) mixes 900g nano-zinc oxide powder with graphene 3000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 65 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 30kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 3L/min, the inlet temperature of spray dryer is 150 DEG C, outlet temperature
80 DEG C of degree, revolving speed 550rpm.5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Embodiment 7
(a) mixes 900g nano-zinc oxide powder with graphene 3000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier, by 8000g aluminium triphosphate and
3700g composite modifier mixes be made into slurry in water；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 65 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 30kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, in spray-drying process, sets feed rate as 3L/min, the inlet temperature of spray dryer is 140 DEG C, outlet temperature
80 DEG C of degree, revolving speed 550rpm.6~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Graphene salt spray resistance masterbatch
Performance test results see Table 1 for details.
Comparative example 1
(a) mixes 900g nano-zinc oxide powder with graphene 3000g, stirs evenly up to area load nano zine oxide
Graphene, then using graphene surface supported nano zinc oxide material as composite modifier；10kg is taken to be dispersed in 30kg conduct
Mixture A is obtained in the ethene-vinyl acetate copolymer emulsion of rubber powder precursor liquid, then mixture A is moved into high speed disperser,
It is dispersed with stirring 1.2h under 450rpm mixing speed, is thoroughly dispersed in it in lotion, spray dryer is sent into and is spray-dried,
In spray-drying process, feed rate is set as 3L/min, the inlet temperature of spray dryer is 140 DEG C, 80 DEG C of outlet temperature,
Revolving speed 550rpm.6~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving.Comparative example 1 is that tripolyphosphate is added
Aluminium.See Table 1 for details for the performance test results of graphene salt spray resistance masterbatch.
Comparative example 2
(a) 3700g nano-zinc oxide powder 8000g aluminium triphosphate is mixed in water and is made into slurry by；
(b) slurry that (a) step is prepared carries out grinding modification using grinder grinding 1.5h, filtering, 65 degrees Celsius it is dry
Dry collection obtains solid matter；
(c) takes solid matter 10kg obtained by (b) step to be dispersed in 30kg and is copolymerized as the ethene-vinyl acetate of rubber powder precursor liquid
Mixture A is obtained in lotion, then mixture A is moved into high speed disperser, is dispersed with stirring 1.2h under 450rpm mixing speed, is made
It is thoroughly dispersed in lotion,
It is sent into spray dryer to be spray-dried, in spray-drying process, sets feed rate as 3L/min, spray dryer
Inlet temperature be 140 DEG C, 80 DEG C of outlet temperature, revolving speed 550rpm.6~10 μm of powder is obtained after sieving, i.e. graphene is resistance to
Salt fog masterbatch.Comparative example 2 is to use graphene.See Table 1 for details for the performance test results of graphene salt spray resistance masterbatch.
The obtained masterbatch of embodiment 1-7, comparative example 1-2 and matrix coating disperses with mass ratio 1:35 to (matrix coating is
Aqueous polyurethane emulsion), coating and irony plate, coating thickness 0.015mm carry out 15% sodium chloride smog etch test.
1 embodiment of table and comparative example graphene salt spray resistance masterbatch performance
| Number | Salt spray resistance |
| Embodiment 1 | 1721h |
| Embodiment 2 | 1756h |
| Embodiment 3 | 1843h |
| Embodiment 4 | 1782h |
| Embodiment 5 | 1749h |
| Embodiment 6 | 1765h |
| Embodiment 7 | 1792h |
| Comparative example 1 | 1543h |
| Comparative example 2 | 1493h |
Claims (8)
1. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch, which is characterized in that the preparation method is as follows:
(a) is using graphene surface supported nano zinc oxide material as composite modifier, by aluminium triphosphate and composite modifier
Mixing is made into slurry in water；
(b) slurry described in (a) step is carried out grinding modification by, and filtering, dry collect obtain solid matter；
(c) solid matter obtained by (b) step is dispersed in the ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid and obtains by
High speed disperser is moved into mixture A, then by mixture A, 1~2h is dispersed with stirring under 400~800rpm mixing speed, makes it
It is thoroughly dispersed in lotion, obtains modified aluminium triphosphate/graphene glue；
(d) modified aluminium triphosphate/graphene liquid cement agitation described in (c) step is uniformly sent into spray dryer afterwards and sprayed by
Mist is dry, and 5~10 μm of powder, i.e. graphene salt spray resistance masterbatch are obtained after sieving；In the spray-drying process, setting charging
Rate is 1~5L/min, and the inlet temperature of spray dryer is 120~150 DEG C, 70~85 DEG C of outlet temperature, revolving speed 500~
700rpm。
2. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(a) graphene surface supported nano zinc oxide material described in step is prepared as composite modifier by following methods: will be received
Rice oxide powder and zinc is that 1~9:25~50 mix according to mass ratio with graphene, is stirred evenly up to area load nano zine oxide
Graphene.
3. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(a) mass ratio of aluminium triphosphate and composite modifier described in step is 40~80:8~19.
4. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(b) grinding described in step is modified as grinding 1h or more using grinder, and the drying temperature is 50~75 degrees Celsius.
5. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(c) mass ratio of solid matter described in step and the ethene-vinyl acetate copolymer emulsion as rubber powder precursor liquid is 20~50:
110~149.
6. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(c) mixture A is moved into high speed disperser described in step, is dispersed with stirring 1.5~2h under 600~700rpm mixing speed.
7. a kind of preparation method of salt spray resistance anticorrosive paint graphene masterbatch according to claim 1, which is characterized in that
(d) in the spray-drying process described in step, feed rate is set as 1~3L/min, the inlet temperature of spray dryer is
140~150 DEG C, 70~80 DEG C of outlet temperature, 550~600rpm of revolving speed.
8. a kind of salt spray resistance anticorrosive paint graphene masterbatch, which is characterized in that a kind of salt spray resistance anticorrosive paint graphite
Alkene masterbatch is prepared using the described in any item methods of claim 1~7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952724.4A CN109135379A (en) | 2018-08-21 | 2018-08-21 | A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952724.4A CN109135379A (en) | 2018-08-21 | 2018-08-21 | A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109135379A true CN109135379A (en) | 2019-01-04 |
Family
ID=64790395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810952724.4A Withdrawn CN109135379A (en) | 2018-08-21 | 2018-08-21 | A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109135379A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204983A (en) * | 2019-06-13 | 2019-09-06 | 厦门东顺涂料有限公司 | A kind of antirust interfacial agents |
| CN111118485A (en) * | 2019-12-13 | 2020-05-08 | 东莞市富发化工材料有限公司 | Novel antirust agent and preparation method thereof |
| CN111378308A (en) * | 2020-05-14 | 2020-07-07 | 云南省化工研究院 | Modified aluminum polyphosphate anti-rust pigment prepared by adopting high-temperature solid-phase one-step method and preparation method thereof |
| CN111793373A (en) * | 2020-07-31 | 2020-10-20 | 株洲飞鹿高新材料技术股份有限公司 | Preparation method of modified graphene slurry, epoxy anticorrosive primer and preparation method thereof |
| CN112094558A (en) * | 2020-10-23 | 2020-12-18 | 湖州汇邦环保科技有限公司 | Water-based steel structure flame-retardant paint suitable for acidic environment |
| CN113292902A (en) * | 2021-05-20 | 2021-08-24 | 常州大学 | Modified graphene oxide anticorrosive paint and preparation method thereof |
| CN114539877A (en) * | 2022-03-01 | 2022-05-27 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Anti-corrosion water-based epoxy coating based on divalent zinc ions and phytic acid modified graphene oxide and preparation method thereof |
-
2018
- 2018-08-21 CN CN201810952724.4A patent/CN109135379A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204983A (en) * | 2019-06-13 | 2019-09-06 | 厦门东顺涂料有限公司 | A kind of antirust interfacial agents |
| CN111118485A (en) * | 2019-12-13 | 2020-05-08 | 东莞市富发化工材料有限公司 | Novel antirust agent and preparation method thereof |
| CN111378308A (en) * | 2020-05-14 | 2020-07-07 | 云南省化工研究院 | Modified aluminum polyphosphate anti-rust pigment prepared by adopting high-temperature solid-phase one-step method and preparation method thereof |
| CN111793373A (en) * | 2020-07-31 | 2020-10-20 | 株洲飞鹿高新材料技术股份有限公司 | Preparation method of modified graphene slurry, epoxy anticorrosive primer and preparation method thereof |
| CN112094558A (en) * | 2020-10-23 | 2020-12-18 | 湖州汇邦环保科技有限公司 | Water-based steel structure flame-retardant paint suitable for acidic environment |
| CN113292902A (en) * | 2021-05-20 | 2021-08-24 | 常州大学 | Modified graphene oxide anticorrosive paint and preparation method thereof |
| CN114539877A (en) * | 2022-03-01 | 2022-05-27 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Anti-corrosion water-based epoxy coating based on divalent zinc ions and phytic acid modified graphene oxide and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109135379A (en) | A kind of salt spray resistance anticorrosive paint graphene masterbatch and preparation method | |
| CN104974626B (en) | Anti-corrosion waterborne inorganic einc-rich primer and its preparation method and application | |
| CN101560355B (en) | Heavy anti-corrosion antirust powder paint | |
| CN103351787B (en) | A kind of mechanized equipment low prepared surface high-performance anti-corrosive primer and preparation method | |
| CN102863874B (en) | Water-base epoxy zinc-rich priming paint and preparation method thereof | |
| CN107779052A (en) | A kind of anti-corrosion type epoxy ribbons of the disperse modified color stuffing containing coupling embroider the preparation method of coating | |
| CN107446093B (en) | Nano-silicon nitride modified epoxy acrylic ester lotion, water-based anticorrosive paint and preparation method | |
| CN102558999B (en) | Water-based environment-friendly electrostatic spraying baking paint and preparation method thereof | |
| CN110157289A (en) | Watersoluble plumbago alkene anticorrosive paint | |
| CN101560359B (en) | Anti-corrosion antirust powder paint | |
| CN109796794A (en) | Organic-inorganic fire-resistant anticorrosion paint based on graphene and preparation method thereof | |
| WO2021073060A1 (en) | Method for preparing hollow glass microbeads with high floatation rate | |
| CN108047892A (en) | A kind of ultrafast dry epoxy primer and preparation method thereof | |
| CN103319979A (en) | Oil-proof primer and preparation method thereof | |
| CN109401544A (en) | Heat-resistant antifriction nano anticorrosive coating | |
| CN105694570B (en) | A kind of nanometer zinc phosphate rust resisting pigment continuous producing method and process units | |
| CN111320917A (en) | Water-based single-component epoxy anticorrosive paint coated on automobile plate spring and preparation method thereof | |
| CN107828313B (en) | Epoxy resin coating containing modified graphene oxide and preparation method thereof | |
| CN103911058B (en) | A kind of railway fastening piece anti-corrosive antibacterial cathode electrophoresis dope and coating process thereof | |
| CN104212222A (en) | Application, composite anti-rusting pigment and parathion method of calcium phosphate aluminum silicate | |
| CN108997887A (en) | One kind containing the double-component aqueous corrosion-resistant epoxy paint of glass flake and its preparation, application method | |
| CN106867357B (en) | A kind of nanometer modified high-solid body divides epoxy primer | |
| CN109181473A (en) | A kind of high-performance dual-component aqueous anticorrosive paint and preparation method thereof | |
| CN106046875A (en) | Water-soluble double-component anti-slip, anti-corrosion and anti-rust paint and preparation method and application thereof | |
| CN104140737B (en) | Preparation method applied to water-based epoxy zinc-rich primer on railway bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |