CN107916024A - A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature and its preparation method and application - Google Patents
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature and its preparation method and application Download PDFInfo
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- CN107916024A CN107916024A CN201710942452.5A CN201710942452A CN107916024A CN 107916024 A CN107916024 A CN 107916024A CN 201710942452 A CN201710942452 A CN 201710942452A CN 107916024 A CN107916024 A CN 107916024A
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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
- C09D5/002—Priming 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated 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
- 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
- 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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Abstract
The invention discloses ultrafast dry precoated prime for workplace of a kind of waterborne normal-temperature and its preparation method and application, belong to chemical technology field.The ultrafast dry precoated prime for workplace of the waterborne normal-temperature, in terms of parts by weight, including following components：40~55 parts of water-base resin, 7~20 parts of aqueous pigment, 15~30 parts of water-based filler, 1.7~4.9 parts of aqueous promoter, 10~20 parts of solvent.The ultrafast dry precoated prime for workplace of the waterborne normal-temperature uses cationic epoxy modified acrylic acid emulsion as film forming matter; high boiling coalescents need not be added; and completely using water as diluent; without organic solvent; low VOC emission; to be conducive to the green product of environmental protection, meet the requirement of national environmental protection regulation；And cationic epoxy modified acrylic acid emulsion is used as film forming matter, there is the rate of drying that is exceedingly fast, 25 DEG C of whens can dry hardness for 5~8 minutes, and lifting construction speed, shortens the construction period, and has great use value；Available for a variety of construction process requirements, rate of drying is exceedingly fast, and anti-corrosive properties are strong, and various mechanical performances are excellent.
Description
Technical field
The present invention relates to chemical technology field, particularly relates to a kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature and its preparation
Methods and applications.
Background technology
It is estimated that world's output of steel there are about 1/10th losses in burn into corrosion.Steel corrosion is economical caused by China
Loss is annual at least more than 40,000,000,000 yuan, and the anti-corrosion of steel is particularly significant.
Shop primer is first of the paint brushed after mechanical surface treatment, its main function is protection steel processed
Few by atmospheric corrosion in journey, the adhesive force for improving finishing coat, the richness for increasing finishing coat, provide alkali resistant and corrosion-resistant function, ensures
The uniform pickup of finishing coat, makes paint system play optimum efficiency.Priming paint kind now on the market is more, but generally existing is dried
Slowly the defects of, corrosion resistance is poor, antirust ability is poor, the bad priming paint of anti-corrosion, antirust ability cannot effectively protect steel, can damage
Bad raw material cause to waste.
The content of the invention
In view of this, it is an object of the invention to propose a kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature and its preparation side
Method and application, the ultrafast dry precoated prime for workplace of the waterborne normal-temperature is compared with general precoated prime for workplace, to the tolerance of execution conditions
Property greatly reinforces, and has good surface drying under conditions of low temperature and high relative humidity, the hardness rate of climb, has excellent with various systems
Matching performance.
Based on a kind of above-mentioned purpose ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention, in terms of parts by weight,
Including following components：40~55 parts of water-base resin, 7~20 parts of aqueous pigment, 15~30 parts of water-based filler, aqueous promoter 1.7~
4.9 parts, 10~20 parts of solvent.
Preferably, the water-base resin is cationic epoxy modified acrylic acid emulsion.
Preferably, the aqueous pigment is feature of environmental protection pigment, and the solvent is deionized water.
Preferably, the water-based filler be high-purity sulfuric acid barium, talcum powder, the one or more in silicon powder, the height
Purity barium sulfate, talcum powder, the water-soluble ion concentration of silicon powder<0.1%..
Preferably, in terms of parts by weight, the aqueous promoter include 0.5~1.5 part aqueous dispersion, 0.1~0.4 part
Aqueous defoamer, 0.4~1.0 part of water-based thickener, 0.2~0.5 part of substrate wetting agents, 0.5~1.5 part water-based anti-
Flash rusting agent.
It is highly preferred that the aqueous dispersion is non-ionic dispersing agent, the aqueous defoamer is non-ionic defoaming
Agent, the water-based thickener are association type polyurethane-type thickener, and the substrate wetting agents are high by 4100 for enlightening, the water-based anti-sudden strain of a muscle
Agent become rusty for the one or more in hamming this 179, auspicious precious 60, Lu Borun 6250.
It is highly preferred that the non-ionic dispersing agent is the Bi Ke 190 or high 740W of enlightening, the non-ionic defoamer is enlightening
High 810 or enlightening it is high by 822, the association type polyurethane-type thickener for the high 105A of enlightening or enlightening it is high by 299.
Based on identical inventive concept, present invention also offers a kind of preparation of the ultrafast dry precoated prime for workplace of waterborne normal-temperature
Method, preparation method are：Each component raw material is weighed, by deionized water, aqueous pigment, water-based filler, aqueous dispersion, water-based is disappeared
Infusion is uniformly mixed to obtain mixed slurry, slurry fineness then will be ground to after the mixed slurry high speed dispersion less than 40 μm, most
Water-base resin, water-based thickener, substrate wetting agents, water-based anti-flash rusting agent are added afterwards, are stirred evenly and are got product.
Based on identical inventive concept, present invention also offers a kind of answering for the ultrafast dry precoated prime for workplace of waterborne normal-temperature
With application of the ultrafast dry precoated prime for workplace of waterborne normal-temperature in the provisional protection of workshop.
Preferably, before steel dispatch from the factory or/and before steel processing, the ultrafast dry precoated prime for workplace of the waterborne normal-temperature is applied
Brush carries out temporary transient antirust, anti-corrosive in steel surface.
Cationic epoxy modified acrylic acid emulsion is used in the present invention as film forming matter；The aqueous pigment used for without
The environmental-friendly pigment of the heavy metals such as lead, chromium, without heavy metal pollution, meets the requirement of national environmental protection regulation；Contained using water-soluble ion
One or more in high-purity sulfuric acid barium of the amount less than 0.1%, talcum powder, silicon powder contain as water-based filler, water-soluble ion
The mass percent that amount is less than the material that can be dissolved in water contained in 0.1% i.e. high-purity sulfuric acid barium, talcum powder, silicon powder contains
Amount is less than 0.1%.
From the above it can be seen that the advantages of the present invention are：
(1) the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention, using cationic epoxy modified propylene yogurt
Liquid is film forming matter, it is not necessary to high boiling coalescents are added, and completely using water as diluent, it is low without organic solvent
VOC emission even Diamond Search discharge, to be conducive to the green product of environmental protection, meets the requirement of national environmental protection regulation.
(2) the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention, the preparing raw material used are most of to be domestic
Material, cost is low, and its mill base water grinding technics is simple, easily operated, convenient to prepare.
(3) the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention, using cationic epoxy modified propylene yogurt
Liquid is film forming matter, has the rate of drying that is exceedingly fast, and 25 DEG C of whens can dry hardness in 5~8 minutes, improve speed of application,
Shorten the construction period, there is great use value.
(4) the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention, is applicable to a variety of construction process requirements, does
Dry speed is exceedingly fast, and product water resistance at initial stage is good, and anti-corrosive properties are strong, and various mechanical performances are excellent.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, to this hair
Bright further description.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " should not only for the convenience of statement
The restriction to the embodiment of the present invention is interpreted as, following embodiment no longer illustrates this one by one.
First, embodiment
Cationic epoxy modified acrylic acid emulsion purchase used in following embodiments is splashed the limited public affairs of auspicious chemical industry in Shanghai
Department, product type AC-60；Iron oxide red is bought in Sanhuan Pigment Co., Ltd., Hunan Prov., product type 130.
Embodiment 1
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：45 parts of water-base resin, 8 parts of aqueous pigment,
Water-based 25 parts of filler, 0.8 part of aqueous dispersion, 0.3 part of aqueous defoamer, 0.5 part of water-based thickener, 0.3 part of substrate wetting agents,
Water-based 0.8 part of anti-flash rusting agent, 20 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is 7.5 parts of titanium dioxide and 0.5
The carbon black of part, water-based filler are high-purity sulfuric acid barium, and aqueous dispersion is Bi Ke 190, and aqueous defoamer is high by 810 for enlightening, water-based
Thickener for enlightening it is high by 299, substrate wetting agents for enlightening it is high by 4100, water-based anti-flash rusting agent for hamming this 179.
It is during preparation, deionized water, titanium dioxide, carbon black, high-purity sulfuric acid barium, Bi Ke 190, high 810 mixing of enlightening, stirring is equal
It is even to obtain mixed slurry；Then it after the mixed slurry high speed dispersion 30min, will be put into sand mill and be ground to slurry fineness as 40
μm；Be eventually adding cationic epoxy modified acrylic acid emulsion, enlightening are high by 299, enlightening is high by 4100, hamming this 179, stir evenly up to water
The property ultrafast dry precoated prime for workplace of room temperature.
Embodiment 2
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：55 parts of water-base resin, aqueous pigment 15
Part, 20 parts of water-based filler, 1.5 parts of aqueous dispersion, 0.3 part of aqueous defoamer, 0.5 part of water-based thickener, substrate wetting agents 0.4
Part, water-based anti-0.6 part of flash rusting agent, 15 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is iron oxide red, and water-based filler is 15
The high-purity sulfuric acid barium and 5 parts of silicon powder of part, aqueous dispersion are the high 740W of enlightening, and aqueous defoamer is high by 810 for enlightening, water-based increasing
Thick dose is the high 105A of enlightening, and substrate wetting agents are high by 4100 for enlightening, and water-based anti-flash rusting agent is auspicious precious 60.
During preparation, deionized water, iron oxide red, high-purity sulfuric acid barium, silicon powder, the high 740W of enlightening, high 810 mixing of enlightening are stirred
Mix uniform mixed slurry；Then by after the mixed slurry high speed dispersion 30min, it is put into sand mill and is ground to slurry fineness
For 38 μm；Be eventually adding the high 105A of cationic epoxy modified acrylic acid emulsion, enlightening, enlightening it is high by 4100, auspicious precious 60, stir evenly to obtain the final product
The ultrafast dry precoated prime for workplace of waterborne normal-temperature.
Embodiment 3
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：50 parts of water-base resin, aqueous pigment 18
Part, 20 parts of water-based filler, 1.5 parts of aqueous dispersion, 0.3 part of aqueous defoamer, 0.5 part of water-based thickener, substrate wetting agents 0.4
Part, water-based anti-0.7 part of flash rusting agent, 15 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, iron oxide red that aqueous pigment is 8 parts and 10 parts
Titanium dioxide, water-based filler are 10 parts of high-purity sulfuric acid barium, 5 parts of talcum powder and 5 parts of silicon powder, and aqueous dispersion is high for enlightening
740W, aqueous defoamer is high by 822 for enlightening, and water-based thickener is the high 105A of enlightening, and substrate wetting agents are high by 4100 for enlightening, water-based anti-flash rusting
Agent is Lu Borun 6250.
During preparation, by deionized water, titanium dioxide, iron oxide red, high-purity sulfuric acid barium, talcum powder, silicon powder, the high 740W of enlightening,
High 822 mixing of enlightening, stirs evenly to obtain mixed slurry；Then by after the mixed slurry high speed dispersion 30min, it is put into sand mill
Slurry fineness is ground to as 40 μm；It is eventually adding that the high 105A of cationic epoxy modified acrylic acid emulsion, enlightening, enlightening be high by 4100, Lu Bo
Profit 6250, stirs evenly up to the ultrafast dry precoated prime for workplace of waterborne normal-temperature.
Embodiment 4
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：40 parts of water-base resin, aqueous pigment 20
Part, 30 parts of water-based filler, 0.5 part of aqueous dispersion, 0.1 part of aqueous defoamer, 1.0 parts of water-based thickener, substrate wetting agents 0.5
Part, water-based anti-1.5 parts of flash rusting agent, 20 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is 10 organic middle yellow and 10 parts of titaniums
White powder, water-based filler are 20 parts of high-purity sulfuric acid barium and 10 parts of talcum powder, and aqueous dispersion is Bi Ke 190, water-based defoaming
Agent for enlightening it is high by 822, water-based thickener for enlightening it is high by 299, substrate wetting agents for enlightening it is high by 4100, water-based anti-flash rusting agent for hamming this 179.
It is during preparation, deionized water, organic middle Huang, titanium dioxide, high-purity sulfuric acid barium, talcum powder, Bi Ke 190, enlightening is high by 822
Mixing, stirs evenly to obtain mixed slurry；Then by after the mixed slurry high speed dispersion 30min, it is put into sand mill and is ground to
Slurry fineness is 30 μm；Be eventually adding cationic epoxy modified acrylic acid emulsion, enlightening are high by 299, enlightening is high by 4100, hamming this 179, stir
Mix uniformly up to the ultrafast dry precoated prime for workplace of waterborne normal-temperature.
Embodiment 5
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：53 parts of water-base resin, 7 parts of aqueous pigment,
Water-based 15 parts of filler, 1.0 parts of aqueous dispersion, 0.4 part of aqueous defoamer, 0.4 part of water-based thickener, 0.2 part of substrate wetting agents,
Water-based 0.5 part of anti-flash rusting agent, 10 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is organic middle Huang, and water-based filler is
Silicon powder, aqueous dispersion are Bi Ke 190, and aqueous defoamer is high by 810 for enlightening, and water-based thickener is the high 105A of enlightening, and base material soaks
Agent is high by 4100 for enlightening, and water-based anti-flash rusting agent is Lu Borun 6250.
During preparation, by deionized water, organic middle Huang, silicon powder, Bi Ke 190, high 810 mixing of enlightening, stirring evenly to mix
Slurry；Then it after the mixed slurry high speed dispersion 30min, will be put into sand mill and be ground to slurry fineness as 35 μm；Finally
Addition cationic epoxy modified acrylic acid emulsion, the high 105A of enlightening, enlightening are high by 4100, Lu Borun 6250, stir evenly up to water-based normal
The ultrafast dry precoated prime for workplace of temperature.
Embodiment 6
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：42 parts of water-base resin, aqueous pigment 10
Part, 18 parts of water-based filler, 1.3 parts of aqueous dispersion, 0.2 part of aqueous defoamer, 0.6 part of water-based thickener, substrate wetting agents 0.3
Part, water-based anti-1.0 parts of flash rusting agent, 10 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is titanium dioxide, and water-based filler is cunning
Mountain flour, aqueous dispersion are the high 740W of enlightening, and aqueous defoamer is high by 822 for enlightening, and water-based thickener is high by 299 for enlightening, substrate wetting agents
High by 4100 for enlightening, water-based anti-flash rusting agent is auspicious precious 60.
During preparation, by deionized water, titanium dioxide, talcum powder, the high 740W of enlightening, high 822 mixing of enlightening, mixing slurry is stirred evenly to obtain
Material；Then it after the mixed slurry high speed dispersion 30min, will be put into sand mill and be ground to slurry fineness as 35 μm；Finally plus
Enter cationic epoxy modified acrylic acid emulsion, enlightening are high by 299, enlightening is high by 4100, auspicious precious 60, stir evenly ultrafast dry up to waterborne normal-temperature
Precoated prime for workplace.
Embodiment 7
A kind of ultrafast dry precoated prime for workplace of waterborne normal-temperature, including following components：48 parts of water-base resin, aqueous pigment 12
Part, 23 parts of water-based filler, 1.0 parts of aqueous dispersion, 0.4 part of aqueous defoamer, 0.8 part of water-based thickener, substrate wetting agents 0.5
Part, water-based anti-1.3 parts of flash rusting agent, 12 parts of deionized water.
Wherein, water-base resin is cationic epoxy modified acrylic acid emulsion, and aqueous pigment is carbon black, and water-based filler is 13 parts
Talcum powder and 10 parts of silicon powder, aqueous dispersion is the high 740W of enlightening, and aqueous defoamer is high by 810 for enlightening, and water-based thickener is
The high 105A of enlightening, substrate wetting agents for enlightening it is high by 4100, water-based anti-flash rusting agent for hamming this 179.
During preparation, deionized water, carbon black, talcum powder, silicon powder, the high 740W of enlightening, high 810 mixing of enlightening stir evenly
Mixed slurry；Then it after the mixed slurry high speed dispersion 30min, will be put into sand mill and be ground to slurry fineness as 30 μm；
Be eventually adding the high 105A of cationic epoxy modified acrylic acid emulsion, enlightening, enlightening be high by 4100, hamming this 179, stir evenly up to water-based
The ultrafast dry precoated prime for workplace of room temperature.
2nd, test example
By the ultrafast dry precoated prime for workplace of the waterborne normal-temperature prepared in embodiment 1 and epoxy without yellow zinc chromate primer paint, epoxy zinc-rich bottom
Paint carries out performance measurement according to HG/T4758-2014 and GB/T2705-2003, and the results are shown in Table 1.
Table 1.
2~embodiment of embodiment 7 passes through identical performance test, its fineness is no more than 40um.
The ultrafast dry precoated prime for workplace fineness of waterborne normal-temperature prepared in embodiment 1 it can be seen from data in table 1 is not
More than 40 μm, the fineness of priming paint directly affects the gloss of film, water penetration and bin stability, and fineness is small, and coating can be made smooth
Uniformly, beautification function is played to appearance and decoration performance.The ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1
Viscosity be 85-95KU, not only can guarantee that coating was with good stability, but easy to priming paint produce and construct.Embodiment 1 is made
The ultrafast dry precoated prime for workplace of standby waterborne normal-temperature stores 30 days at 60 DEG C, skinning, layering, loose colour, thickening, heavy does not occur
Phenomena such as forming sediment, luming, illustrates the ultrafast dry precoated prime for workplace long shelf-life of waterborne normal-temperature provided by the invention, and Storage period intersexuality
Matter is stablized.Surface drying time is 6~8min under the ultrafast dry precoated prime for workplace room temperature of waterborne normal-temperature prepared in embodiment 1, explanation
The ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention has the rate of drying being exceedingly fast, and can have been dried in the short time hard
Degree, improves speed of application.Doing solid work the time under the ultrafast dry precoated prime for workplace room temperature of waterborne normal-temperature prepared in embodiment 1 is
12h, and do solid work time of the epoxy without yellow zinc chromate primer paint and epoxy zinc rich primer is respectively 18h and 24h, therefore it is provided by the invention water-based
The rate of drying of the ultrafast dry precoated prime for workplace of room temperature is far longer than rate of drying of the epoxy without yellow zinc chromate primer paint and epoxy zinc rich primer,
Thoroughly parched in 12h using the film of the ultrafast dry precoated prime for workplace brushing of waterborne normal-temperature, reached final hardness, realized
Room temperature is ultrafast dry.The impact strength that the ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1 can be resisted is
50Kg.cm, illustrates that the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention still has in the case where being subjected to the effect of high speed load
There is preferable resistance to deformation degree ability.The initial stage of the ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1 is water-fast
Property it is qualified, i.e., have preferable resistivity to water, run into the severe day such as rainy after having constructed during practice of construction
Gas, can also ensure that the stability of film.The resistance to neutral salt of the ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1
Mist is tested, and 400h is qualified, i.e., by the ultrafast dry precoated prime for workplace of waterborne normal-temperature in neutral sodium chloride atmosphere after exposure 400h, its
The blistering on surface, rusting grade and corrosion sprawling distance are still qualified, illustrate between the ultrafast dry turning of waterborne normal-temperature provided by the invention
Shop primer has good anti-corrosion ability.The adhesive force of the ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1
For 1 grade, i.e., the ultrafast dry precoated prime for workplace adhesive force of waterborne normal-temperature provided by the invention is good, can be good at being attached to and is applied
On object, play a protective role.The VOC content of the ultrafast dry precoated prime for workplace of waterborne normal-temperature prepared in embodiment 1 is 43g/
L, and VOC content of the epoxy without yellow zinc chromate primer paint and epoxy zinc rich primer is respectively 280g/L and 230g/L, i.e., water provided by the invention
Property the ultrafast dry precoated prime for workplace VOC content of room temperature and discharge capacity significantly lower than epoxy without yellow zinc chromate primer paint and epoxy zinc rich primer, be
Green product, is conducive to environmental protection.
By the performance test data of the ultrafast dry precoated prime for workplace of the waterborne normal-temperature in embodiment 1 in table 1 and epoxy without zinc
Priming paint, the performance test data of epoxy zinc rich primer are compared to as can be seen that between the ultrafast dry turning of waterborne normal-temperature prepared in embodiment 1
Shop primer has reached performance requirement of the common epoxy without yellow zinc chromate primer paint and epoxy zinc rich primer, and the ultrafast dry turning of waterborne normal-temperature
Between shop primer the test result of time and VOC content etc. done solid work in fineness, room temperature be better than epoxy without yellow zinc chromate primer paint, epoxy
The test result of zinc rich primer, i.e. waterborne normal-temperature ultrafast dry precoated prime for workplace drying time is shorter, rate of drying faster and VOC
Content low even zero；Therefore, the ultrafast dry precoated prime for workplace of waterborne normal-temperature can substitute ring commonly used in the prior art completely
Oxygen is used without yellow zinc chromate primer paint, epoxy zinc rich primer as precoated prime for workplace, and can be realized ultrafast dry and be conducive to environment guarantor
Shield.
3rd, application examples
The ultrafast dry precoated prime for workplace of the waterborne normal-temperature prepared in embodiment 1 is used for Hunan large shape company car
Between provisional protection, i.e., before steel dispatch from the factory and steel processing before, by the ultrafast dry precoated prime for workplace brushing of waterborne normal-temperature in steel
Material surface carries out temporary transient antirust, anti-corrosive, through performance test, the steel performance after the ultrafast dry precoated prime for workplace of brushing waterborne normal-temperature
It is excellent.
First, the steel after the ultrafast dry precoated prime for workplace of brushing waterborne normal-temperature can stack at 30 DEG C after dry 3min
And transport；Secondly, it is the steel after brushing are still qualified after exposure 120h in neutral sodium chloride atmosphere；Again, swabbing is applied
Steel after the property ultrafast dry precoated prime for workplace of room temperature still have good electric welding cutting performance, and need to apply with following process
The good matching of various coating systems of dress；Therefore, the ultrafast dry precoated prime for workplace of waterborne normal-temperature provided by the invention is complete
Oleaginous system commonly used in the prior art can be substituted, and to construction technology and whole economic efficiency without significant difference.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example
Or can also be combined between the technical characteristic in different embodiments, and there is different aspect present invention as described above
Many other changes, in order to it is concise they do not provided in details.Therefore, within the spirit and principles of the invention,
Any omission for being made, modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. ultrafast dry precoated prime for workplace of waterborne normal-temperature, it is characterised in that in terms of parts by weight, including following components：Water 40~55 parts of resin of property, 7~20 parts of aqueous pigment, 15~30 parts of water-based filler, 1.7~4.9 parts of aqueous promoter, solvent 10~20 Part.
- 2. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 1, it is characterised in that the water-base resin is Cationic epoxy modified acrylic acid emulsion.
- 3. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 1, it is characterised in that the aqueous pigment is Feature of environmental protection pigment, the solvent are deionized water.
- 4. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 1, it is characterised in that the water-based filler is One or more in high-purity sulfuric acid barium, talcum powder, silicon powder, the high-purity sulfuric acid barium, talcum powder, silicon powder it is water-soluble Ion concentration<0.1%.
- 5. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 1, it is characterised in that in terms of parts by weight, The aqueous promoter includes 0.5~1.5 part of aqueous dispersion, 0.1~0.4 part of aqueous defoamer, 0.4~1.0 part of water Property thickener, 0.2~0.5 part of substrate wetting agents, 0.5~1.5 part of water-based anti-flash rusting agent.
- 6. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 5, it is characterised in that the aqueous dispersion For non-ionic dispersing agent, the aqueous defoamer is non-ionic defoamer, and the water-based thickener is association type polyurethane Type thickener, the substrate wetting agents are high by 4100 for enlightening, and the water-based anti-flash rusting agent is this 179, auspicious precious 60, Lu Borun of hamming One or more in 6250.
- 7. the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 6, it is characterised in that described non-ionic point Powder is the Bi Ke 190 or high 740W of enlightening, and the non-ionic defoamer is high by 822 for enlightening high 810 or enlightening, the association type polyurethane Type thickener is that the high 105A of enlightening or enlightening are high by 299.
- It is 8. a kind of such as the preparation method of the ultrafast dry precoated prime for workplace of claim 1~7 any one of them waterborne normal-temperature, its spy Sign is that preparation method is：Each component raw material is weighed, by deionized water, aqueous pigment, water-based filler, aqueous dispersion, water-based Defoamer is uniformly mixed to obtain mixed slurry, and slurry fineness then will be ground to after the mixed slurry high speed dispersion less than 40 μm, Water-base resin, water-based thickener, substrate wetting agents, water-based anti-flash rusting agent are eventually adding, stirs evenly and gets product.
- It is 9. a kind of as the application of the ultrafast dry precoated prime for workplace of claim 1~7 any one of them waterborne normal-temperature, its feature exist In application of the ultrafast dry precoated prime for workplace of waterborne normal-temperature in the provisional protection of workshop.
- 10. the application of the ultrafast dry precoated prime for workplace of waterborne normal-temperature according to claim 9, it is characterised in that in steel Before dispatching from the factory or/and before steel processing, the ultrafast dry precoated prime for workplace brushing of the waterborne normal-temperature is carried out temporarily in steel surface Antirust, anti-corrosive.
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Effective date of registration: 20230403 Address after: 415911 Intersection of Jinma Road and 319 National Highway, Daoliuping Community, Hanshou High tech Industrial Park, Changde, Hunan Province Patentee after: HUNAN TAIZI CHEMICAL COATINGS Co.,Ltd. Address before: 415000 No. 3150 Dongting Avenue, Changde City, Hunan Province Patentee before: HUNAN University OF ARTS AND SCIENCE |
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Application publication date: 20180417 Assignee: HUNAN SHENGTU PAINT TECHNOLOGY CO.,LTD. Assignor: HUNAN TAIZI CHEMICAL COATINGS Co.,Ltd. Contract record no.: X2023980037256 Denomination of invention: A water-based room temperature ultra fast drying workshop precoating primer and its preparation method and application Granted publication date: 20200929 License type: Common License Record date: 20230630 |