CN110396343A - A kind of water-base epoxy anti-corrosion primer and preparation method thereof - Google Patents
A kind of water-base epoxy anti-corrosion primer and preparation method thereof Download PDFInfo
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- CN110396343A CN110396343A CN201810381043.7A CN201810381043A CN110396343A CN 110396343 A CN110396343 A CN 110396343A CN 201810381043 A CN201810381043 A CN 201810381043A CN 110396343 A CN110396343 A CN 110396343A
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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
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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Abstract
The invention discloses a kind of water-base epoxy anti-corrosion primers and preparation method thereof, and wherein water-base epoxy anti-corrosion primer is made of following raw material proportioning: aqueous epoxy emulsion 40~50%, titanium dioxide 10~15%, barium sulfate 5~10%, rust resisting pigment 5~10%, talcum powder 5~10%, dispersing agent 2~2.5%, defoaming agent 0.1~0.3%, anti-flash rusting auxiliary agent 1~2%, substrate wetting agents 0.5~1%, thickener 0.5~1%, deionized water 20~30%, amine curing agent 10~15%.The environment-friendly type aqueous epoxy anticorrosion primer prepared through the invention is a double-component aqueous industrial paint.The anti-corrosion primer not only has excellent water resistance, salt fog resistance, but also hardness is high, rate of drying is fast, has a wide range of application, is particularly suitable for the industrial circles such as concrete mixer, dumper, engineering machinery, steel construction, container.
Description
Technical field
The present invention relates to aqueous industrial coating technical field more particularly to a kind of water-base epoxy anti-corrosion primer and its preparation sides
Method.
Background technique
Currently, the topic of environment-friendly and energy-efficient is built by called optical imaging, develops performance more preferably and the height of environmental protection and energy saving
Performance anticorrosive paint is imperative, and with the maturation of aseptic technic, anticorrosive paint will be also further developed.According to system
Meter, the whole world every year because corrosion caused by economic loss be about 700,000,000,000 dollars, be that the natural calamities such as earthquake, floods, typhoon are made
At 6 times of economic loss summation, the 2%~4% of various countries' gross national product (GNP) is accounted for.The U.S., day in the country of industry prosperity
The report that the states such as sheet, Canada announce shows that the direct economic loss caused by being often only because of corrosion just about accounts for national warp
The 1%~4% of the Ji gross output value (GDP), the steel of rust corrosion accounts for about steel annual output 20%, and about 30% equipment is because of corruption every year
It loses and scraps.
In addition, due to anticorrosive paint development trend " greenization " by petroleum resources and environmental regulation to volatile organic matter
The factors such as the limitation of matter (VOC) and hazardous air pollutants influence, and coating property is being continuously improved in world's anticorrosive paint industry
Meanwhile just developing to " greenization " direction rapidly.
Therefore, how to provide it is a kind of have excellent performance, environmental protection and with good anticorrosion ability water-base epoxy anti-corrosion primer
The problem of being those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, being prepared through the invention the present invention provides a kind of water-base epoxy anti-corrosion primer and preparation method thereof
Environment-friendly type aqueous epoxy anticorrosion primer, be a double-component aqueous industrial paint.The anti-corrosion primer not only has excellent water-fast
Property, salt fog resistance, and hardness is high, rate of drying is fast, is particularly suitable for concrete mixer, dumper, engineering machinery, steel knot
The industrial circles such as structure, container.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of water-base epoxy anti-corrosion primer is made of following raw material proportioning by weight percentage: aqueous epoxy emulsion 40
~50%, titanium dioxide 10~15%, barium sulfate 5~10%, rust resisting pigment 5~10%, talcum powder 5~10%, dispersing agent 2~
2.5%, defoaming agent 0.1~0.3%, anti-flash rusting auxiliary agent 1~2%, substrate wetting agents 0.5~1%, thickener 0.5~1%, go
Ionized water 20~30%, amine curing agent 10~15%.
Preferably, a kind of water-base epoxy anti-corrosion primer, is made of following raw material proportioning: aqueous epoxy emulsion 47%, titanium white
Powder 14%, barium sulfate 8%, rust resisting pigment 7%, talcum powder 8%, dispersing agent 2.3%, defoaming agent 0.2%, anti-flash rusting auxiliary agent
1.7%, substrate wetting agents 0.8%, thickener 0.7%, deionized water 28%, amine curing agent 13%.
The coating formation basic theory of the water-base epoxy anti-corrosion primer obtained by using above-mentioned technical proposal is as follows:
After the coating of water-base epoxy anti-corrosion primer, under appropriate conditions, moisture volatilizees quickly, after most of moisture volatilization,
Dispersed phase particle is close to each other, tightly packed, and a small amount of water of remaining is filled between the gap of emulsion particle, forms huge capillary
Pipe pressure, wherein close to each other, accumulation emulsion particle is deformed into hexagonal structure under capillary pressure.Epoxy resin and
Partially cured epoxy resin phase counterdiffusion between latex particle, until forming uniform, continuous film.
Preferably, the amine curing agent is the polyamide-based curing agent of mass ratio 1:2 and mixing for fatty amines curing agent
Close object.
The aqueous epoxy emulsion is non-ion aqueous bisphenol a epoxy resin emulsion Epikote3510-W-60A, institute
Stating titanium dioxide is rutile type titanium white.
The aqueous epoxy emulsion selected in the present invention is non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A has water resistance more outstanding, salt fog resistance and hardness compared with other aqueous epoxy emulsions
The advantages that high；And it is water-fast using the water paint salt spray resistance of Epikote3510-W-60A epoxy emulsion preparation up to 1000h
480h, hardness 2H.And the water paint salt spray resistance of other epoxy emulsions preparation is for up to 500h, water-fast 240h, hardness H.
The titanium dioxide selected in the present invention is rutile type titanium white, compared with other kinds of titanium dioxide, is had excellent
Weatherability, such as the R706 of E.I.Du Pont Company.By Experimental comparison, the R706 titanium dioxide of E.I.Du Pont Company is to the water resistance of paint film and resistance to
The salt fog effect being improved.
The rust resisting pigment is aluminium triphosphate, and the anti-flash rusting auxiliary agent is that organic-inorganic compounds anti-flash rusting auxiliary agent.
The rust resisting pigment selected in the present invention is aluminium triphosphate.It is very strong that the rust resisting pigment can release complexing power
Tripolyphosphate radical ion covers corrosion activity point, because tripolyphosphate radical ion forms iron complex ion in fe-based surface to subtract
The slow corrosion of metal period.
The anti-flash rusting auxiliary agent selected in the present invention is that organic-inorganic compounds anti-flash rusting auxiliary agent, which can be same
When achieve the effect that inhibition, passivation and shielding, not only prevent ferrous metal surface of bottom material that cathode reaction occurs, but also prevent iron
Ionization and the generation of electrochemical reaction, while having many advantages, such as to improve the water resistance of paint film and anti-corruption property.
Filler as system of talcum powder and barium sulfate is selected in the present invention, not only ensure that the thickness of paint film, while because
Talcum powder is laminated structure, can be improved the salt fog resistance of water paint.
Preferably, the defoaming agent is polyether siloxane copolymer type defoaming agent, such as the BYK-028 of Bi Ke company；It is described
Dispersing agent is the copolymer object type dispersing agent with pigment affinity groups, such as the BYK-192 of Bi Ke company.
Preferably, the substrate wetting agents are polyether siloxane copolymer type substrate wetting agents, such as Digao company
Tego100；The mobility for not only significantly improving water paint makes the more smooth densification of paint film, and further stops water to paint film
Intrusion, improve the water resistance and salt fog resistance of water paint.,
Preferably, the amine curing agent the preparation method is as follows:
Polyamide-based curing agent and fatty amines curing agent are added in paint mixing tank according to the proportion, deionization is then added
Water stirs 20 minutes with the speed of 600r/min up to amine curing agent of the invention.
Curing agent uses modified polyamide type and modified aliphatic amine type epoxy hardener, and is arranged in pairs or groups and used with 1:2 ratio, knot
Polyamide-type hardener salt fog resistance is good and aliphatic amine type curing agent rate of drying is fast advantage is closed, makes coating with excellent resistance to
Salt fog and stemness.
It is another object of the present invention to provide a kind of preparation methods of water-base epoxy anti-corrosion primer.
To achieve the goals above, the present invention adopts the following technical scheme:
(1) dispersing agent, defoaming agent, titanium dioxide, rust resisting pigment, barium sulfate and talcum powder are sequentially added in deionized water,
It stirs evenly and mixed slurry is made；
(2) above-mentioned mixed slurry is added in grinder and is ground, until forming the slurry of uniform good fluidity；
(3) successively aqueous epoxy emulsion, anti-flash rusting auxiliary agent and substrate wetting agents are added in slurry, are stirred evenly, and
Regulation viscosity is adjusted to thickener to get water-base epoxy anti-corrosion primer of the invention.
Preferably, in step (3), the viscosity of the water-base epoxy anti-corrosion primer is 80~100s.
Wherein, the viscosity of the water-base epoxy anti-corrosion primer is measured by -4# glasss of viscosimeters of painting.
Preferably, in step (1), control mixing speed is 450~550r/min, and mixing time is 15~25min.
Preferably, in step (2), the fineness of the slurry is less than 25 μm.
Preferably, in step (3), control slurry mixing speed is 550~650r/min, and mixing time is 2~6min；
Mixing speed after control addition lotion and auxiliary agent is 750~850r/min, and mixing time is 15~25min.
It can be seen via above technical scheme that compared with prior art, it is anti-that the present disclosure provides a kind of water-base epoxies
Rotten priming paint and preparation method thereof, compared with prior art, the present invention has the advantage that
1, it selects non-ion aqueous bisphenol a epoxy resin emulsion as film forming matter, makes hardness of paint film up to 2H, it is resistance to
Aqueous 480h, adhesive force are 0 grade.
2, curing agent uses modified polyamide type and modified aliphatic amine type epoxy hardener, and is arranged in pairs or groups and used with 1:2 ratio,
It can make coating that there is excellent salt fog resistance, and surface drying time is 2min.
3, the product can satisfy wet on wet construction technology, i.e., (25-40 DEG C of temperature) sprays water on the workpiece of preheating
It, both can direct spraying finishing coat after 1~2min after property epoxy anticorrosion primer；And the water-base epoxy being prepared through the invention is anti-
Rotten primer applications range is wide, is applicable to the industries such as refitted car, dumper, engineering machinery.
4, the water-base epoxy anti-corrosion primer prepared through the invention uses, and does not add the environmental protection of the heavy metals such as leaded, chromium class
Type rust resisting pigment, and it is the low VOC of the product, non-ignitable not quick-fried, without containing poisonous and harmful substances such as benzene, dimethylbenzene.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the invention discloses a kind of water-base epoxy anti-corrosion primer and preparation method thereof, the ring prepared through the invention
Guarantor's type water-base epoxy anti-corrosion primer not only has excellent water resistance, salt fog resistance, but also hardness is high, rate of drying is fast.
For a better understanding of the invention, further specific elaboration is made to the present invention below by following embodiment, but not
It can be regarded as limitation of the invention, it is some nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as and be within the scope of the present invention.
The invention discloses a kind of water-base epoxy anti-corrosion primers, by weight percentage, are made of following raw material proportioning: water
Property epoxy emulsion 40~50%, titanium dioxide 10~15%, barium sulfate 5~10%, rust resisting pigment 5~10%, talcum powder 5~
10%, dispersing agent 2~2.5%, defoaming agent 0.1~0.3%, anti-flash rusting auxiliary agent 1~2%, substrate wetting agents 0.5~1%, thickening
Agent 0.5~1%, deionized water 20~30%, amine curing agent 10~15%.
In order to further optimize the above technical scheme, amine curing agent is the polyamide-based curing agent and rouge of mass ratio 1:2
The mixture of fat amine curing agent.
In order to further optimize the above technical scheme, aqueous epoxy emulsion is non-ion aqueous bisphenol A type epoxy resin
Lotion Epikote3510-W-60A, titanium dioxide are rutile type titanium white.
In order to further optimize the above technical scheme, rust resisting pigment is aluminium triphosphate, and anti-flash rusting auxiliary agent is organic-nothing
Machine compounds anti-flash rusting auxiliary agent.
In order to further optimize the above technical scheme, substrate wetting agents are polyether siloxane copolymer type substrate wetting agents.
The invention also discloses a kind of preparation methods of water-base epoxy anti-corrosion primer, include the following steps:
(1) dispersing agent, defoaming agent, titanium dioxide, rust resisting pigment, barium sulfate and talcum powder are sequentially added in deionized water,
It stirs evenly and mixed slurry is made；
(2) above-mentioned mixed slurry is added in grinder and is ground, until forming the slurry of uniform good fluidity；
(3) successively aqueous epoxy emulsion, anti-flash rusting auxiliary agent and substrate wetting agents are added in slurry, are stirred evenly, and
Regulation viscosity is adjusted to thickener to get water-base epoxy anti-corrosion primer of the invention.
In order to further optimize the above technical scheme, in step (1), control mixing speed is 450~550r/min, stirring
Time is 15~25min.
In order to further optimize the above technical scheme, in step (2), the fineness of slurry is less than 25 μm.
In order to further optimize the above technical scheme, in step (3), control slurry mixing speed is 550~650r/
Min, mixing time are 2~6min；Mixing speed after control addition lotion and auxiliary agent is 750~850r/min, mixing time
For 15~25min.
Below in conjunction with specific embodiment, technical solution of the present invention is further detailed.
Embodiment 1
A kind of water-base epoxy anti-corrosion primer, which is characterized in that by weight percentage, be made of following raw material proportioning: water
Property epoxy emulsion 40%, rutile type titanium white 10%, barium sulfate 5%, aluminium triphosphate 5%, talcum powder 5%, dispersing agent
2%, defoaming agent 0.1%, organic-inorganic compound anti-flash rusting auxiliary agent 1%, substrate wetting agents 0.5%, thickener 0.5%, go from
Sub- water 20%, amine curing agent 10%, wherein aqueous epoxy emulsion is non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A, amine curing agent are the mixing of the polyamide-based curing agent and fatty amines curing agent of mass ratio 1:2
Object, dispersing agent are the copolymer object type dispersing agent with pigment affinity groups, and defoaming agent is polyether siloxane copolymer type defoaming agent,
Substrate wetting agents are polyether siloxane copolymer type substrate wetting agents.
Embodiment 2
A kind of water-base epoxy anti-corrosion primer, which is characterized in that by weight percentage, be made of following raw material proportioning: water
Property epoxy emulsion 45%, rutile type titanium white 12%, barium sulfate 7%, aluminium triphosphate 8%, talcum powder 7%, dispersing agent
2.2%, defoaming agent 0.2%, organic-inorganic compound anti-flash rusting auxiliary agent 1.5%, substrate wetting agents 0.7%, thickener 0.8%,
Deionized water 25%, amine curing agent 12%, wherein aqueous epoxy emulsion is non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A, amine curing agent are the mixing of the polyamide-based curing agent and fatty amines curing agent of mass ratio 1:2
Object, dispersing agent are the copolymer object type dispersing agent with pigment affinity groups, and defoaming agent is polyether siloxane copolymer type defoaming agent,
Substrate wetting agents are polyether siloxane copolymer type substrate wetting agents.
Embodiment 3
A kind of water-base epoxy anti-corrosion primer, which is characterized in that by weight percentage, be made of following raw material proportioning: water
Property epoxy emulsion 47%, rutile type titanium white 14%, barium sulfate 8%, aluminium triphosphate 7%, talcum powder 8%, dispersing agent
2.3%, defoaming agent 0.2%, organic-inorganic compound anti-flash rusting auxiliary agent 1.7%, substrate wetting agents 0.8%, thickener 0.7%,
Deionized water 28%, amine curing agent 13%, wherein aqueous epoxy emulsion is non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A, amine curing agent are the mixing of the polyamide-based curing agent and fatty amines curing agent of mass ratio 1:2
Object, dispersing agent are the copolymer object type dispersing agent with pigment affinity groups, and defoaming agent is polyether siloxane copolymer type defoaming agent,
Substrate wetting agents are polyether siloxane copolymer type substrate wetting agents.
Embodiment 4
A kind of water-base epoxy anti-corrosion primer, which is characterized in that by weight percentage, be made of following raw material proportioning: water
Property epoxy emulsion 50%, rutile type titanium white 15%, barium sulfate 10%, aluminium triphosphate 10%, talcum powder 10%, dispersing agent
2.5%, defoaming agent 0.3%, organic-inorganic compound anti-flash rusting auxiliary agent 2%, substrate wetting agents 1%, thickener 1%, deionization
Water 30%, amine curing agent 15%, wherein aqueous epoxy emulsion is non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A, amine curing agent are the mixing of the polyamide-based curing agent and fatty amines curing agent of mass ratio 1:2
Object, dispersing agent are the copolymer object type dispersing agent with pigment affinity groups, and defoaming agent is polyether siloxane copolymer type defoaming agent,
Substrate wetting agents are polyether siloxane copolymer type substrate wetting agents.
There is excellent property in order to further verify the water-base epoxy anti-corrosion primer that the present invention is prepared, respectively from solid
Two aspect of influence of influence of the agent difference blend proportion to properties of product, different epoxy emulsions and curing agent to properties of product into
Row control experiment.
Influence first for research curing agent difference blend proportion to properties of product, inventor have carried out as follows to according to the facts
Test: on the basis of embodiment 3 (modified polyamide type and modified aliphatic amine type ratio be 1:2), comparative example 1 selects modified polyamides
Amine type and modified aliphatic amine type ratio are 1:1, comparative example 2 selects modified polyamide type and modified aliphatic amine type ratio is 2:1,
His component is constant.
Secondly to study the influence of different epoxy emulsions and curing agent to properties of product, inventor has been carried out as follows to according to the facts
Test: on the basis of embodiment 3, aqueous epoxy emulsion selects other epoxy emulsions (comparison epoxy emulsion), comparison in comparative example 3
Amine curing agent selects that polyamide-based curing agent, amine curing agent selects fatty amines curing agent in comparative example 5 in example 4, other
Component is constant.
Six kinds of water-base epoxy anti-corrosion primers are made in disclosed preparation method according to the present invention, and carry out to the lacquer painting of formation resistance to
The performance tests such as salt fog, water resistance.The wherein water resistance according to GB/T 1733-1993 test lacquer painting, according to GB/T 1771-
The salt fog resistance of 1991 test lacquer paintings, specific test result participate in following Tables 1 and 2.
Influence of the 1 curing agent difference blend proportion of table to performance
It is concluded that by experiment when the ratio of polyamide-based curing agent and fatty amines curing agent is 1:2, salt fog resistance
Best with water resistance, rate of drying is fast.
The influence of table 2 different epoxy emulsions and curing agent to performance
Wherein in table 2, epoxy emulsion A is the non-ion aqueous bisphenol a epoxy resin emulsion that the present invention uses
Epikote3510-W-60A, epoxy emulsion B are comparison epoxy emulsions.
In addition, two kinds of epoxy emulsions used in this experiment are double A type epoxy emulsion, and curing agent A is polyamide-based
Curing agent, curing agent B are fatty amines curing agent.Polyamide-based curing agent salt fog resistance is good, but slow drying speed, fatty amine
Class curing agent salt spray resistance is general, but rate of drying is fast, in order to guarantee that product adhesive force on various substrates is good, salt fog resistance
Well, rate of drying is fast, therefore aqueous epoxy emulsion selects epoxy emulsion A (non-ion aqueous bisphenol a epoxy resin emulsion
Epikote3510-W-60A), curing agent then selects A and the collocation of two curing agent of B to use.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of water-base epoxy anti-corrosion primer, which is characterized in that by weight percentage, be made of following raw material proportioning: aqueous
Epoxy emulsion 40~50%, titanium dioxide 10~15%, barium sulfate 5~10%, rust resisting pigment 5~10%, talcum powder 5~10%,
Dispersing agent 2~2.5%, defoaming agent 0.1~0.3%, anti-flash rusting auxiliary agent 1~2%, substrate wetting agents 0.5~1%, thickener 0.5
~1%, deionized water 20~30%, amine curing agent 10~15%.
2. a kind of water-base epoxy anti-corrosion primer according to claim 1, which is characterized in that be made of following raw material proportioning:
Aqueous epoxy emulsion 47%, titanium dioxide 14%, barium sulfate 8%, rust resisting pigment 7%, talcum powder 8%, dispersing agent 2.3%, defoaming
Agent 0.2%, anti-flash rusting auxiliary agent 1.7%, substrate wetting agents 0.8%, thickener 0.7%, deionized water 28%, amine curing agent
13%.
3. described in any item a kind of water-base epoxy anti-corrosion primers according to claim 1~2, which is characterized in that the amine is solid
Agent is the polyamide-based curing agent of mass ratio 1:2 and the mixture of fatty amines curing agent.
4. described in any item a kind of water-base epoxy anti-corrosion primers according to claim 1~3, which is characterized in that the aqueous ring
Oxygen lotion is non-ion aqueous bisphenol a epoxy resin emulsion Epikote3510-W-60A, and the titanium dioxide is rutile-type
Titanium dioxide.
5. a kind of water-base epoxy anti-corrosion primer according to any one of claims 1 to 4, which is characterized in that the antirust face
Material is aluminium triphosphate, and the anti-flash rusting auxiliary agent is that organic-inorganic compounds anti-flash rusting auxiliary agent.
6. described in any item a kind of water-base epoxy anti-corrosion primers according to claim 1~5, which is characterized in that the substrate profit
Humectant is polyether siloxane copolymer type substrate wetting agents.
7. a kind of preparation method of water-base epoxy anti-corrosion primer, which comprises the steps of:
(1) dispersing agent, defoaming agent, titanium dioxide, rust resisting pigment, barium sulfate and talcum powder are sequentially added in deionized water, is stirred
Mixed slurry is uniformly made；
(2) above-mentioned mixed slurry is added in grinder and is ground, until forming the slurry of uniform good fluidity；
(3) successively by aqueous epoxy emulsion, anti-flash rusting auxiliary agent and substrate wetting agents be added slurry in, stir evenly, and with increasing
Thick dose is adjusted to regulation viscosity to get water-base epoxy anti-corrosion primer of the invention.
8. a kind of preparation method of water-base epoxy anti-corrosion primer according to claim 7, which is characterized in that in step (1),
Control mixing speed is 450~550r/min, and mixing time is 15~25min.
9. a kind of preparation method of water-base epoxy anti-corrosion primer according to claim 7, which is characterized in that in step (2),
The fineness of the slurry is less than 25 μm.
10. a kind of preparation method of water-base epoxy anti-corrosion primer according to claim 7, which is characterized in that step (3)
In, control slurry mixing speed is 550~650r/min, and mixing time is 2~6min；After lotion and auxiliary agent is added in control
Mixing speed is 750~850r/min, and mixing time is 15~25min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381043.7A CN110396343A (en) | 2018-04-25 | 2018-04-25 | A kind of water-base epoxy anti-corrosion primer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381043.7A CN110396343A (en) | 2018-04-25 | 2018-04-25 | A kind of water-base epoxy anti-corrosion primer and preparation method thereof |
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Cited By (9)
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| CN110819207A (en) * | 2019-11-18 | 2020-02-21 | 常州广树化工科技有限公司 | Novel high-performance water-based epoxy paint and preparation method thereof |
| CN112341904A (en) * | 2020-11-23 | 2021-02-09 | 湘江涂料科技有限公司 | Quick-drying water-based epoxy anti-corrosion primer and preparation method thereof |
| CN112831248A (en) * | 2021-01-08 | 2021-05-25 | 奔腾漆业(上海)有限公司 | Wet-on-wet ultra-fast drying water-based epoxy primer and preparation method thereof |
| CN113337182A (en) * | 2021-04-30 | 2021-09-03 | 中车青岛四方机车车辆股份有限公司 | Water-based two-component anticorrosive paint and preparation method and application thereof |
| CN113402948A (en) * | 2021-06-17 | 2021-09-17 | 大昇新材料(浙江)有限公司 | Water-based seal primer for hot-spraying zinc substrate and preparation method and application thereof |
| CN114045086A (en) * | 2021-12-16 | 2022-02-15 | 安徽省金盾涂料有限责任公司 | Environment-friendly ship inner cabin floor paint |
| CN116478594A (en) * | 2023-04-04 | 2023-07-25 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
| CN119264768A (en) * | 2024-10-10 | 2025-01-07 | 广东优贝精细化工有限公司 | Water-based epoxy primer for trains and preparation method thereof |
| CN119410233A (en) * | 2025-01-07 | 2025-02-11 | 新昌县槃古环保科技有限公司 | Epoxy metal primer and its preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110819207A (en) * | 2019-11-18 | 2020-02-21 | 常州广树化工科技有限公司 | Novel high-performance water-based epoxy paint and preparation method thereof |
| CN112341904A (en) * | 2020-11-23 | 2021-02-09 | 湘江涂料科技有限公司 | Quick-drying water-based epoxy anti-corrosion primer and preparation method thereof |
| CN112831248A (en) * | 2021-01-08 | 2021-05-25 | 奔腾漆业(上海)有限公司 | Wet-on-wet ultra-fast drying water-based epoxy primer and preparation method thereof |
| CN113337182A (en) * | 2021-04-30 | 2021-09-03 | 中车青岛四方机车车辆股份有限公司 | Water-based two-component anticorrosive paint and preparation method and application thereof |
| CN113337182B (en) * | 2021-04-30 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Water-based two-component anticorrosive paint and preparation method and application thereof |
| CN113402948A (en) * | 2021-06-17 | 2021-09-17 | 大昇新材料(浙江)有限公司 | Water-based seal primer for hot-spraying zinc substrate and preparation method and application thereof |
| CN114045086A (en) * | 2021-12-16 | 2022-02-15 | 安徽省金盾涂料有限责任公司 | Environment-friendly ship inner cabin floor paint |
| CN116478594A (en) * | 2023-04-04 | 2023-07-25 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
| CN116478594B (en) * | 2023-04-04 | 2023-11-28 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
| CN119264768A (en) * | 2024-10-10 | 2025-01-07 | 广东优贝精细化工有限公司 | Water-based epoxy primer for trains and preparation method thereof |
| CN119410233A (en) * | 2025-01-07 | 2025-02-11 | 新昌县槃古环保科技有限公司 | Epoxy metal primer and its preparation method and application |
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Application publication date: 20191101 |