CN106947365B - Water-based industrial paint method of production - Google Patents
Water-based industrial paint method of production Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention discloses a kind of water-based industrial paint methods of production, comprising the following steps: the following steps are included: 30-40 parts by weight aqueous epoxy resins, 20-30 parts by weight water are uniformly mixed by (1), obtains mixed liquor；(2) 25-35 parts by weight iron oxide red mill base, 0.05-0.15 parts by weight defoaming agent, 2-9 parts by weight sodium nitrite, 0.1-0.5 parts by weight dimethylethanolamine, 0.1-0.5 parts by weight of thickening agent are sequentially added in mixed liquor under stiring, it is uniformly mixed, is filtered with 300 mesh filter screens to obtain the final product.Water-based industrial paint method of production provided by the invention, on the basis of system reviews documents and materials and earnest analytical study, select aqueous epoxy resins as main film forming substance, the influence of dispersing agent, thickener, the type of moistening flatting agent and dosage to industrial paint performance is had studied, determines industrial paint optimization of C/C composites；Reduce the production cost of industrial paint, it is more convenient in construction, there will be biggish development prospect in the market.
Description
Technical field
The present invention relates to paint preparation technical fields, and in particular to a kind of water-based industrial paint method of production.
Background technique
For a long time, the antirusting paint of steel surface mostly uses greatly solvent type antirusting paint.Traditional solvent based coating is not
It is only inflammable, explosive, storage, transport, construction when bring many insecurity factors in addition, solvent it is expensive, film forming with
Solvent is all evaporate into air afterwards, this is not only a kind of waste of energy, and causes serious problem of environmental pollution.Tradition
Antirusting paint directly cannot carry out coating without derusting in oneself metal surface through corroding, when coating all
It is required that thoroughly derusting, then carries out phosphatization passivation.This be one very hard work not only large labor intensity, low efficiency, at
This height, rust dirt also severely compromise the health of construction personnel.It is asked in face of increasingly strict environmental requirement and using safe etc.
Topic, water-based anticorrosive paint will gradually become the Main way of anticorrosive paint development.
It is in building coating field, but with environmental regulation pair that water paint, which is applied earliest and successfully substitutes solvent based coating,
The limitation of volatile organic matter is increasingly stringenter and the appearance of novel high-performance water-base resin, water paint are also gradually applied to
Metal surface coats field.The resin of initial waterborne metallic paint is using single group form-separating, mainly styrene, butadiene
With the emulsification etc. of the trimer and alkyd resin of vinylacrylic acid.Later, bi-component epoxy coating is paid attention to and is developed.It is existing
Waterborne metallic paint is also used in base-materials such as high performance dispersions of polyurethanes, fluoropolymer, poly-vinegar, organic siliconresins
In.
Epoxy resin have excellent metal adhesion and anticorrosive property, be currently used for anticorrosive metal the most extensively,
One of mostly important resin.Commonly epoxy resin is water-insoluble, and the epoxy coating of production application at present is mainly solvent
Type coating, therefore, in the today for advocating environmental protection energetically, the research of waterborne epoxy coatings system also obtains very big attention, aqueous ring
Oxygen resin adhesive force, chemical-resistant, hardness, in terms of all have and the comparable property of solvent epoxy coatings
Can, and significantly reduce content.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, technical problem to be solved by the invention is to provide a kind of aqueous works
Industry paint method of production.
Object of the present invention is to what is be achieved through the following technical solutions:
A kind of water-based industrial paint method of production, comprising the following steps:
(1) 30-40 parts by weight aqueous epoxy resins, 20-30 parts by weight water are uniformly mixed, obtain mixed liquor；
(2) by 25-35 parts by weight iron oxide red mill base, 0.05-0.15 parts by weight defoaming agent, 2-9 parts by weight sodium nitrite, 0.1-
0.5 parts by weight dimethylethanolamine, 0.1-0.5 parts by weight of thickening agent sequentially add in mixed liquor under stiring, are uniformly mixed, and use
300 mesh filter screens filter to obtain the final product.
A kind of water-based industrial paint method of production, comprising the following steps:
(1) by 0.8-1.8 parts per weight dispersing agent, 0.8-1.8 parts by weight 1,2- propylene glycol, 0.1-0.5 parts by weight divinyl
Three aminocarbonyl propyl trimethoxy silanes, 0.3-0.9 parts by weight moistening flatting agent, 5-15 parts by weight water are in high speed disperser to turn
Speed is uniformly mixed for stirring 5-15 minutes for 400-600 revs/min, and 15-25 parts by weight iron oxide red is added then with revolving speed is 1000-
1500 revs/min are uniformly mixed for stirring 25-35 minutes, return again to tapered sand mill circular grinding 2-8 hours until fineness is less than 1 μm
Afterwards, it is 400-600 revs/min in adjusting cylinder with revolving speed and is added with stirring 0.3-1.3 parts by weight of phosphoric acid zinc stirring mixing in 5-15 minutes
Uniformly, iron oxide red mill base is obtained；
(2) by 30-40 parts by weight aqueous epoxy resins, 20-30 parts by weight water with revolving speed be 400-600 revs/min of stirring 5-
It is uniformly mixed within 15 minutes, obtains mixed liquor；
(3) by whole iron oxide red mill bases of step (1) preparation, 0.05-0.15 parts by weight defoaming agent, 2-9 parts by weight nitrous acid
Sodium, 0.1-0.5 parts by weight dimethylethanolamine, 0.1-0.5 parts by weight of thickening agent revolving speed be 400-600 revs/min stirring under according to
In the secondary mixed liquor for being added to step (2) preparation, stir 10-30 minutes and be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product.
A kind of water-based industrial paint method of production, comprising the following steps:
(1) by 0.8-1.8 parts per weight dispersing agent, 0.8-1.8 parts by weight 1,2- propylene glycol, 0.1-0.5 parts by weight divinyl
Three aminocarbonyl propyl trimethoxy silanes, 0.3-0.9 parts by weight moistening flatting agent, 5-15 parts by weight water are in high speed disperser to turn
Speed is uniformly mixed for stirring 5-15 minutes for 400-600 revs/min, and 15-25 parts by weight iron oxide red is added then with revolving speed is 1000-
1500 revs/min are uniformly mixed for stirring 25-35 minutes, return again to tapered sand mill circular grinding 2-8 hours until fineness is less than 1 μm
Afterwards, it is 400-600 revs/min in adjusting cylinder with revolving speed and is added with stirring 0.3-1.3 part by weight modified trbasic zinc phosphate stirring 5-15 minutes
It is uniformly mixed, obtains iron oxide red mill base；
(2) by 30-40 parts by weight aqueous epoxy resins, 20-30 parts by weight water with revolving speed be 400-600 revs/min of stirring 5-
It is uniformly mixed within 15 minutes, obtains mixed liquor；
(3) by whole iron oxide red mill bases of step (1) preparation, 0.05-0.15 parts by weight defoaming agent, 2-9 parts by weight nitrous acid
Sodium, 0.1-0.5 parts by weight dimethylethanolamine, 0.1-0.5 parts by weight of thickening agent revolving speed be 400-600 revs/min stirring under according to
In the secondary mixed liquor for being added to step (2) preparation, stir 10-30 minutes and be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product.
Preferably, the modified zinc phosphate is prepared by the following method: by 3-6 parts by weight of phosphoric acid zinc, 0.5-1.5 parts by weight six
Sodium metaphosphate is added in 60-80 parts by weight water, with stirring 5-15 minutes of 500-800 revs/min of revolving speed at 60-70 DEG C, then
10-15 parts by weight odium stearate is added, with stirring 25-35 minutes of 300-500 revs/min of revolving speed, the ultrafiltration for being 20-30nm with aperture
Film filtering, collects filter residue, and filter residue is 5-15 hours dry at 70-90 DEG C, obtains modified zinc phosphate.
Preferably, the dispersing agent is 2- methyl -2- 2-hydroxyethyl acrylate phosphate, two (dodecyl) phosphoric acid
One of ester, dicyclohexyl phosphate or a variety of mixtures.
Preferably, the aqueous epoxy resins are WX-5600 water-base epoxy ester resin.
Preferably, the defoaming agent is DOW CORNING DC69 defoaming agent.
Preferably, the moistening flatting agent is BYK-345, BYK-346, BYK-348 moistening flatting agent.
Preferably, the thickener be sodium carboxymethylcellulose, hydroxyethyl cellulose, polyurethane-type thickener, bentonite,
One of carboxymethyl starch or a variety of mixtures.
It is highly preferred that the thickener is PUR40 nonionic polyurethane thickener.
Water-based industrial paint method of production provided by the invention, on the basis of system reviews documents and materials and earnest analytical study
On, it selects aqueous epoxy resins as main film forming substance, has studied the type and use of dispersing agent, thickener, moistening flatting agent
The influence to industrial paint performance is measured, determines industrial paint optimization of C/C composites；Reduce the production cost of industrial paint, it is more square in construction
Just, there will be biggish development prospect in the market.
Specific embodiment
Performance test:
Preparation technology of coating: ground is tinplate, and material meets GB/T2520-88 regulation, and surface treatment meets GB/
T9271-88 prepares paint film by GB/T1727-92 " paint film is typically prepared method ".By the tinplate sprayed in constant temperature and humidity
30 DEG C of baking 0.5h in convection oven form aqueous rustproof coating.
(60 °) of glossiness tests: referring to GB/T1743-89,60 ° of gloss meter measuring methods, using fixed angle photoelectricity gloss
Meter carrys out the ratio between positive reflection light quantity from standard plate surface as a result to carry out positive reflection light quantity under identical conditions from coating surface
Percentage indicates.
Adhesive force test: referring to GB/T1720-1979, circle instrument measuring method is drawn, coating adheres to the fastness of bond substrates
Power is evaluated by the coating integrated degree within the scope of cycloid scratch, is indicated with grade.
Acid resistance experiment: referring to GB/T1763-79, (50 × 100 × 0.2mm of iron plate specification) paints on tinplate,
Prepare 3 pieces of template, make parallel laboratory test, it is to be coated do solid work after, measured under the conditions of constant temperature and humidity.Prepare 30% mass fraction concentration
H2SO4Solution is dipped vertically into the H that temperature is 25 ± 1 DEG C in beaker, by the 2/3 of template2SO4It in medium, covers, periodically mends
Water.Immerse H2SO4Template in medium is primary per observation for 24 hours, checks that template need to be rinsed through tap water every time, with filter paper by droplet
After blotting, observation coating whether there is or not loss of gloss, discoloration, blistering, rust spot, fall off phenomena such as, two pieces of template results of being subject to are consistent.
Alkali resistance experiment: referring to GB/T1763-79, (50 × 100 × 0.2mm of iron plate specification) paints on tinplate,
Prepare 3 pieces of template, make parallel laboratory test, it is to be coated do solid work after, measured under the conditions of constant temperature and humidity.Prepare 10% mass fraction concentration
NaOH solution in beaker, it is to cover in 25 ± 1 DEG C of NaOH solution media that template 2/3, which is dipped vertically into temperature, is periodically mended
Water.The template immersed in NaOH solution medium is primary per checking for 24 hours, checks that template need to be rinsed through tap water every time, will with filter paper
After droplet blots, observation coating whether there is or not loss of gloss, discoloration, blistering, spot, fall off phenomena such as, two pieces of template results of being subject to are consistent.
Each raw material introduction in embodiment:
DOW CORNING DC69 defoaming agent, specially Dow69Additive waterborne organic silicon defoaming agent.
The model of WX-5600 water-base epoxy ester resin, specially material Science and Technology Ltd., Foshan City gulf Amoisonic production
WX-5600 water-base epoxy ester resin.
BYK-346 moistening flatting agent, the specially moistening flatting agent of Germany Bi Ke model BYK-346.
PUR40 nonionic polyurethane thickener, specially German bright icepro40 water paint of PUR helps
Agent nonionic polyurethane thickener.
Iron oxide red, the grade for using Lingshou County Shuo Long mineral products processing factory to provide is Grade A, and the 1250 of model 190
Mesh iron oxide red.
Trbasic zinc phosphate, the 800 mesh PHOSPHORIC ACID TECH.GRADE zinc provided using subsidiary factory, Suzhou City, Shanghai Chrome Yellow Plant.
Embodiment 1
Water-based industrial paint method of production, comprising the following steps:
(1) 36 parts by weight WX-5600 water-base epoxy ester resins, 24 parts by weight water are 500 revs/min with revolving speed and stir 10 points
Clock is uniformly mixed, and obtains mixed liquor；
(2) by 30 parts by weight, commonly commercially available iron oxide red mill base (creates the iron oxide red of Chemical Co., Ltd.'s production using Shunde hundred
Mill base SE632), 0.1 parts by weight DOW CORNING DC69 defoaming agent, 8 parts by weight sodium nitrites, 0.3 parts by weight dimethylethanolamine,
0.2 parts by weight PUR40 nonionic polyurethane thickener sequentially adds in mixed liquor in the case where revolving speed is 500 revs/min of stirrings, stirs
It is uniformly mixed within 20 minutes, is filtered with 300 mesh filter screens to obtain the final product.
Embodiment 2
Water-based industrial paint method of production, comprising the following steps:
(1) by 1.1 parts by weight 2- methyl -2- 2-hydroxyethyl acrylate phosphates, 1.2 parts by weight 1,2- propylene glycol,
0.2 parts by weight diethylenetriamine base propyl trimethoxy silicane, 0.5 parts by weight BYK-346 moistening flatting agent, 9 parts by weight water exist
It is uniformly mixed within stirring 10 minutes with revolving speed for 500 revs/min in high speed disperser, 17 parts by weight iron oxide reds is added then with revolving speed
It stirs 30 minutes and is uniformly mixed for 1200 revs/min, return again to tapered sand mill circular grinding 6 hours after fineness is less than 1 μm,
The stirring of 1 parts by weight of phosphoric acid zinc is added with stirring for 500 revs/min with revolving speed in adjusting cylinder to be uniformly mixed within 10 minutes, obtains rust
Slurry；
(2) 36 parts by weight WX-5600 water-base epoxy ester resins, 24 parts by weight water are 500 revs/min with revolving speed and stir 10 points
Clock is uniformly mixed, and obtains mixed liquor；
(3) by step (1) preparation iron oxide red mill base, 0.1 parts by weight DOW CORNING DC69 defoaming agent, 8 parts by weight sodium nitrites,
0.3 parts by weight dimethylethanolamine, 0.2 parts by weight PUR40 nonionic polyurethane thickener are 500 revs/min of stirrings in revolving speed
Under sequentially add step (2) preparation mixed liquor in, stir 20 minutes be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product.
Embodiment 3
Water-based industrial paint method of production, comprising the following steps:
(1) by 1.1 parts by weight 2- methyl -2- 2-hydroxyethyl acrylate phosphates, 1.2 parts by weight 1,2- propylene glycol,
0.2 parts by weight diethylenetriamine base propyl trimethoxy silicane, 0.5 parts by weight BYK-346 moistening flatting agent, 9 parts by weight water exist
It is uniformly mixed within stirring 10 minutes with revolving speed for 500 revs/min in high speed disperser, 17 parts by weight iron oxide reds is added then with revolving speed
It stirs 30 minutes and is uniformly mixed for 1200 revs/min, return again to tapered sand mill circular grinding 6 hours after fineness is less than 1 μm,
1 is added with stirring for 500 revs/min with revolving speed in adjusting cylinder to be uniformly mixed within part by weight modified trbasic zinc phosphate stirring 10 minutes, obtains iron
Red slurry；
(2) 36 parts by weight WX-5600 water-base epoxy ester resins, 24 parts by weight water are 500 revs/min with revolving speed and stir 10 points
Clock is uniformly mixed, and obtains mixed liquor；
(3) by step (1) preparation iron oxide red mill base, 0.1 parts by weight DOW CORNING DC69 defoaming agent, 8 parts by weight sodium nitrites,
0.3 parts by weight dimethylethanolamine, 0.2 parts by weight PUR40 nonionic polyurethane thickener are 500 revs/min of stirrings in revolving speed
Under sequentially add step (2) preparation mixed liquor in, stir 20 minutes be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product.
The modified zinc phosphate is prepared by the following method: 5 parts by weight of phosphoric acid zinc, 1 parts by weight calgon are added to
In 70 parts by weight water, is stirred 10 minutes at 65 DEG C with 600 revs/min of revolving speed, 12 parts by weight odium stearate are added, then with revolving speed
400 revs/min are stirred 30 minutes, and the ultrafiltration membrance filter for being 20nm with aperture collects filter residue, and by filter residue, drying 12 is small at 80 DEG C
When, obtain modified zinc phosphate.
Embodiment 4
Substantially the same manner as Example 3, difference is only that: the thickener is replaced by PUR40 nonionic polyurethane thickener
It is changed to sodium carboxymethylcellulose.
Embodiment 5
Substantially the same manner as Example 3, difference is only that: the thickener is replaced by PUR40 nonionic polyurethane thickener
It is changed to hydroxyethyl cellulose.
Embodiment 6
Substantially the same manner as Example 3, difference is only that: the thickener is replaced by PUR40 nonionic polyurethane thickener
It is changed to bentonite.
Embodiment 7
Substantially the same manner as Example 3, difference is only that: the thickener is replaced by PUR40 nonionic polyurethane thickener
It is changed to carboxymethyl starch.
Embodiment 8
Substantially the same manner as Example 3, difference is only that: the dispersing agent is by 2- methyl -2- 2-hydroxyethyl acrylate phosphorus
Acid esters replaces with two (dodecyl) phosphates.
Embodiment 9
Substantially the same manner as Example 3, difference is only that: the dispersing agent is by 2- methyl -2- 2-hydroxyethyl acrylate phosphorus
Acid esters replaces with dicyclohexyl phosphate.
Embodiment 10
It is highly preferred that the dispersing agent is by (dodecyl) phosphate of 55-65wt% bis- and 35-45wt%2- methyl -2-
2-hydroxyethyl acrylate phosphate composition.
Water-based industrial paint method of production, comprising the following steps:
(1) by 0.66 parts by weight two (dodecyl) phosphate, 0.44 parts by weight 2- methyl -2- acrylic acid -2- ethoxy
Ester phosphate, 1.2 parts by weight 1,2- propylene glycol, 0.2 parts by weight diethylenetriamine base propyl trimethoxy silicane, 0.5 parts by weight
BYK-346 moistening flatting agent, 9 parts by weight water are that 500 revs/min of stirrings are uniformly mixed for 10 minutes with revolving speed in high speed disperser,
Then it is that 1200 revs/min of stirrings are uniformly mixed for 30 minutes that 17 parts by weight iron oxide reds, which are added, with revolving speed, returns again to tapered sand mill
In adjusting cylinder with revolving speed being 500 revs/min, to be added with stirring 1 part by weight modified after fineness is less than 1 μm within circular grinding 6 hours
Trbasic zinc phosphate is stirred 10 minutes and is uniformly mixed, and obtains iron oxide red mill base；
(2) 36 parts by weight WX-5600 water-base epoxy ester resins, 24 parts by weight water are 500 revs/min with revolving speed and stir 10 points
Clock is uniformly mixed, and obtains mixed liquor；
(3) by step (1) preparation iron oxide red mill base, 0.1 parts by weight DOW CORNING DC69 defoaming agent, 8 parts by weight sodium nitrites,
0.3 parts by weight dimethylethanolamine, 0.2 parts by weight PUR40 nonionic polyurethane thickener are 500 revs/min of stirrings in revolving speed
Under sequentially add step (2) preparation mixed liquor in, stir 20 minutes be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product.Performance is surveyed
Test result: adhesive force is 1 grade, glossiness 95%, 30%H2SO4For 2890h, 10%NaOH 2950h.
The modified zinc phosphate is prepared by the following method: 5 parts by weight of phosphoric acid zinc, 1 parts by weight calgon are added to
In 70 parts by weight water, is stirred 10 minutes at 65 DEG C with 600 revs/min of revolving speed, 12 parts by weight odium stearate are added, then with revolving speed
400 revs/min are stirred 30 minutes, and the ultrafiltration membrance filter for being 20nm with aperture collects filter residue, and by filter residue, drying 12 is small at 80 DEG C
When, obtain modified zinc phosphate.
Test case 1
The water-based industrial paint of embodiment 1-9 preparation is tested for the property, concrete outcome is shown in Table 1.
Table 1: water-based industrial paint performance test table
| Adhesive force, grade | Glossiness, % | 30%H2SO4, h | 10%NaOH, h | |
| Embodiment 1 | 3 | 79 | 2420 | 2470 |
| Embodiment 2 | 3 | 81 | 2580 | 2610 |
| Embodiment 3 | 2 | 92 | 2750 | 2790 |
| Embodiment 4 | 2 | 87 | 2600 | 2640 |
| Embodiment 5 | 3 | 85 | 2670 | 2700 |
| Embodiment 6 | 3 | 82 | 2710 | 2740 |
| Embodiment 7 | 2 | 85 | 2640 | 2680 |
| Embodiment 8 | 2 | 90 | 2810 | 2840 |
| Embodiment 9 | 2 | 89 | 2720 | 2760 |
As can be seen from Table 1, being obtained using the performance that iron oxide red mill base prepared by stearic acid sodium modified zinc phosphate is capable of water-based industrial paint
To greatly improving, reason may be the modified good dispersion of trbasic zinc phosphate, can be fully penetrated to inside rusty scale, occur with iron rust anti-
It answers, generates insoluble heteropoly acid complex compound to play stabilization to iron rust.
Claims (5)
1. a kind of water-based industrial paint method of production, which comprises the following steps:
(1) by 0.8-1.8 parts per weight dispersing agent, 0.8-1.8 parts by weight 1,2- propylene glycol, 0.1-0.5 parts by weight diethylenetriamine
Base propyl trimethoxy silicane, 0.3-0.9 parts by weight moistening flatting agent, 5-15 parts by weight water are with revolving speed in high speed disperser
400-600 revs/min is uniformly mixed for stirring 5-15 minutes, and 15-25 parts by weight iron oxide red is added then with revolving speed is 1000-1500
Revs/min stirring 25-35 minute are uniformly mixed, return again to tapered sand mill circular grinding 2-8 hours after fineness is less than 1 μm,
It is 400-600 revs/min in adjusting cylinder with revolving speed and is added with stirring the part by weight modified trbasic zinc phosphate stirring mixing in 5-15 minutes of 0.3-1.3
Uniformly, iron oxide red mill base is obtained；
It (2) is 400-600 revs/min of stirring 5-15 points with revolving speed by 30-40 parts by weight aqueous epoxy resins, 20-30 parts by weight water
Clock is uniformly mixed, and obtains mixed liquor；
(3) by step (1) preparation whole iron oxide red mill bases, 0.05-0.15 parts by weight defoaming agent, 2-9 parts by weight sodium nitrite,
0.1-0.5 parts by weight dimethylethanolamine, 0.1-0.5 parts by weight of thickening agent successively add in the case where revolving speed is 400-600 revs/min of stirring
Enter into the mixed liquor of step (2) preparation, stir 10-30 minutes and be uniformly mixed, filtered with 300 mesh filter screens to obtain the final product；
The modified zinc phosphate is prepared by the following method: 3-6 parts by weight of phosphoric acid zinc, 0.5-1.5 parts by weight calgon are added
Enter into 60-80 parts by weight water, with stirring 5-15 minutes of 500-800 revs/min of revolving speed at 60-70 DEG C, 10-15 weight is then added
Part odium stearate is measured, with stirring 25-35 minutes of 300-500 revs/min of revolving speed, the ultrafiltration membrance filter for being 20-30nm with aperture is collected
Filter residue, filter residue is 5-15 hours dry at 70-90 DEG C, obtain modified zinc phosphate；
The thickener is PUR40 nonionic polyurethane thickener.
2. water-based industrial paint method of production as described in claim 1, it is characterised in that: the dispersing agent is 2- methyl -2- third
One of olefin(e) acid -2- hydroxyethyl ester phosphate, two (dodecyl) phosphates, dicyclohexyl phosphate or a variety of mixing
Object.
3. water-based industrial paint method of production as described in claim 1, it is characterised in that: the aqueous epoxy resins are WX-
5600 water-base epoxy ester resins.
4. water-based industrial paint method of production as described in claim 1, it is characterised in that: the defoaming agent is that DOW CORNING DC69 disappears
Infusion.
5. water-based industrial paint method of production as described in claim 1, it is characterised in that: the moistening flatting agent be BYK-345,
BYK-346, BYK-348 moistening flatting agent.
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