CN110183887A - A kind of rust resisting pigment and preparation method thereof for water paint - Google Patents
A kind of rust resisting pigment and preparation method thereof for water paint Download PDFInfo
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- CN110183887A CN110183887A CN201910456848.8A CN201910456848A CN110183887A CN 110183887 A CN110183887 A CN 110183887A CN 201910456848 A CN201910456848 A CN 201910456848A CN 110183887 A CN110183887 A CN 110183887A
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- strontium
- water paint
- rust resisting
- resisting pigment
- molybdate
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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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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of rust resisting pigments for water paint, it is prepared by the raw material of following parts by weight: 80 ~ 120 parts of phosphoric acid, 70 ~ 110 parts of zinc oxide, 20 ~ 40 parts of aluminium hydroxide, molybdenum source, with 1 ~ 8 part of Mass Calculation, barium source containing molybdenum element, with 0.2 ~ 0.8 part of 1 ~ 8 part of the Mass Calculation containing strontium element, auxiliary agent.Invention additionally discloses a kind of preparation methods of rust resisting pigment for water paint.Synthesis technology and modification of the present invention by innovation, improve rust-proof effect of the pigment in water-based system, stability, universality, while product cost is low, moderate, are able to satisfy the demand of Current Domestic water paint producer.
Description
Technical field
The present invention relates to rust resisting pigment technical fields, and in particular to a kind of rust resisting pigment and its preparation for water paint
Method.
Background technique
Water paint production and construction safety, non-toxic and tasteless, nonflammable, equipment is easy to clean, and water phase coating is compared with solvent
Type coating is inexpensive, is easy to get.With the raising of national environmental consciousness, the appearance of national environmental protection policy, water paint substitutes solvent type
Coating has been trend of the times, and domestic market share is promoted quickly, and yield is promoted rapidly.Prevent corresponding to water-based anticorrosive paint
Rust pigment also faces the huge market demand.
Anticorrosive pigment of environmental protection used in existing anticorrosive coating is mainly the phosphate such as trbasic zinc phosphate, aluminium triphosphate
Series of products.But cost performance is especially pursued in water-based system from the point of view of domestic each water paint enterprise service condition at present
Water-borne acrylic coatings in remain such as rust-proof effect and do not reach requirement, stability in use is bad, storage time not
Enough, the problems such as imported product price is high.
Summary of the invention
The object of the present invention is to provide a kind of rust resisting pigments for water paint, it is that one kind contains zinc, aluminium, molybdenum, strontium
And the modified phosphate rust resisting pigment of the ingredients such as auxiliary agent, synthesis technology and modification by innovation improve pigment and exist
Rust-proof effect, stability in water-based system, universality, while product cost is low, it is moderate, it is able to satisfy Current Domestic water
The demand of property coating producer.
In order to achieve the above objectives, the technical solution of the present invention is as follows:
Rust resisting pigment for water paint of the invention, is prepared by the raw material of following parts by weight:
80 ~ 120 parts of phosphoric acid
70 ~ 110 parts of zinc oxide
20 ~ 40 parts of aluminium hydroxide
Molybdenum source, with 1 ~ 8 part of Mass Calculation containing molybdenum element
Barium source, with 1 ~ 8 part of Mass Calculation containing strontium element
0.2 ~ 0.8 part of auxiliary agent.
Further, the molybdenum source is zinc molybdate, in calcium molybdate, barium molybdate, molybdic acid aluminium, strontium molybdate, ammonium molybdate, sodium molybdate
One or more kinds of mixtures.
Further, the barium source is strontium oxide strontia, strontium hydroxide, strontium molybdate, strontium carbonate, strontium chromate, strontium sulfate, strontium nitrate
One of or more than one mixture.
Further, the auxiliary agent is one of sulfonate, Phthalate, ethanol amine or more than one mixing
Object.
Further, the rust resisting pigment for water paint preparation method the following steps are included:
A, by zinc oxide, aluminium hydroxide investment milling apparatus, the water of 1 ~ 2 times of weight is added, grinds slurrying；
B, by phosphoric acid put into milling apparatus in, under grinding condition with slurry hybrid reaction made of step A；
C, molybdenum source, barium source, auxiliary agent are sequentially added and continues to grind in milling apparatus, place is modified to the reaction product of step B
Reason；
D, last slurry by centrifugation, it is dry, crush to get.
Further, milling time is 10-120 minutes in the step A.
Further, the reaction time is 30-240 minutes in the step B.
Further, reaction temperature is 20 ~ 80 DEG C in the step B.
Further, milling time is 20 ~ 40 minutes in the step C.
The present invention has following remarkable result:
1. the present invention introduces aluminium element on the basis of traditional zinc phosphate rust-preventive pigment, the activity of trbasic zinc phosphate is increased, is improved anti-
Rust effect, while the addition of aluminium element can effectively reduce cost.
2. the present invention, which is additionally added molybdenum, strontium, auxiliary agent etc., is modified processing to rust resisting pigment with the ingredient of anti-rust action,
Using the collaboration anti-rust action of molybdenum and strontium, product rustless property is greatly enhanced；The introducing of auxiliary agent had both improved the anti-of product
Rust performance, also improves dispersibility, stability.
3. each ingredient of the present invention constitutes an organic compound system, dispersibility and stability with higher, so that
The present invention can be suitable for a variety of water paints on the basis of not influencing rustless property, have higher universality.The present invention
The experiment of embodiment 10 and 11 sufficiently proves that the present invention is more preferable relative to pure phosphoric acid zinc system product rust-proof effect, relative to trimerization
Aluminum phosphate system product stability in water paint is more preferable.
4. preparation method of the invention so that molybdenum, strontium, auxiliary agent and zinc oxide, aluminium hydroxide fines starch in grinding condition
It is lower sufficiently to be reacted, the package problem of traditional solid-liquid reaction is avoided, so that reaction can at low temperature quickly and completely
Progress, ensure that the quality of product, saved energy consumption.
5. the present invention synthesizes one-time-reach-place, synthesis, modified, crushing using sand mill relative to traditional stepwise reaction technique
One step carries out, and greatly reduces technique and operating procedure, shortens the production time, and obtained product is by dry, pulverize the stage
When not needing consumption energy consumption, slightly breaks up i.e. and can reach 2 ~ 5 microns of mean particle size, particle size distribution range is narrow, good product quality.
Detailed description of the invention
Fig. 1 is 1 product of embodiment, trbasic zinc phosphate, modified aluminium triphosphate are respectively applied to performance pair in waterborne epoxy coatings
Compare result；
Fig. 2 is 8 product of embodiment, trbasic zinc phosphate, modified aluminium triphosphate are respectively applied to performance comparison in water-borne acrylic coatings
As a result.
Specific embodiment
In order to keep the objectives, technical solutions, and advantages of the present invention more concise, present invention following specific embodiments
It is illustrated, but the present invention is by no means limited to these examples.The following is only the preferred embodiment of the present invention, is only used for describing
The present invention should not be understood as limiting the scope of the present invention.It should be pointed out that institute all within the spirits and principles of the present invention
Any modifications, equivalent replacements, and improvements etc. done, should all be included in the protection scope of the present invention.
Embodiment 1:
By in 4.6kg zinc oxide, 1.3kg aluminium hydroxide investment sand mill, 5.9kg water is added, is ground 30 minutes；It puts into again
6.5kg industrial phosphoric acid is sanded 90 minutes, and control reaction temperature is 60 DEG C；Then 0.2 kg zinc molybdate, 0.2 kg molybdenum are sequentially added
Sour aluminium, 0.4kg strontium oxide strontia, 0.05kg 5- nitroisophthalic acid zinc continue grinding 20 minutes；Finally discharge centrifugal dehydration, dries
It is dry, crush to get.
Embodiment 2:
By in 8kg zinc oxide, 1.6kg aluminium hydroxide investment sand mill, 14kg water is added, is ground 60 minutes；8kg work is put into again
Industry phosphoric acid is sanded 120 minutes, and control reaction temperature is 20 DEG C；Then sequentially add 0.2kg calcium molybdate, 0.2kg ammonium molybdate,
0.4kg sodium molybdate, 0.2kg strontium oxide strontia, 0.2kg strontium hydroxide, 0.2kg strontium carbonate, 0.03kg 5- nitroisophthalic acid zinc and
0.03kg triethanolamine continues grinding 30 minutes；Finally discharge centrifugal dehydration, dries, and crushes, and packaging obtains product.
Embodiment 3:
By in 4.4kg zinc oxide, 1.5kg aluminium hydroxide investment sand mill, 11.8kg water is added, is ground 10 minutes；It puts into again
5kg industrial phosphoric acid is ground 30 minutes, and control reaction temperature is 40 DEG C；Then 0.1kg ammonium molybdate, 0.1kg molybdic acid are sequentially added
Barium, 0.1kg molybdic acid aluminium, 0.1kg strontium molybdate, 0.1kg strontium carbonate, 0.1kg strontium chromate, 0.1kg strontium sulfate, 0.02kg O-phthalic
Sour zinc, 0.01kg ethanol amine continue grinding 30 minutes；Finally discharge centrifugal dehydration, drying, crush to get.
Embodiment 4:
By in 5.5kg zinc oxide, 1.5kg aluminium hydroxide investment sand mill, 8.4kg water is added, is ground 40 minutes；It puts into again
6kg industrial phosphoric acid is ground 60 minutes, and control reaction temperature is 50 DEG C；Then 0.4kg zinc molybdate, 0.4kg hydroxide are sequentially added
Strontium, 0.03kg zinc phthalate continue grinding 30 minutes；Finally discharge centrifugal dehydration, dries, and crushes, and packaging is produced
Product.
Embodiment 5:
By in 6kg zinc oxide, 1.5kg aluminium hydroxide investment sand mill, 12kg water is added, is ground 70 minutes；7kg work is put into again
Industry phosphoric acid is ground 150 minutes, and control reaction temperature is 70 DEG C；Then sequentially add 0.8kg zinc molybdate, 0.6kg strontium carbonate,
0.02kg zinc phthalate, 0.02kg sulfoacid calcium, 0.01kg ethanol amine continue grinding 30 minutes；Finally discharge centrifugal dehydration,
Drying crushes, and packaging obtains product.
Embodiment 6:
By in 5kg zinc oxide, 2kg aluminium hydroxide investment sand mill, 12.6kg water is added, is ground 80 minutes；6kg work is put into again
Industry phosphoric acid is ground 90 minutes, and control reaction temperature is 80 DEG C；Then sequentially add 0.4kg calcium molybdate, 0.3kg strontium oxide strontia,
0.1kg strontium nitrate, 0.04kg triethanolamine continue grinding 30 minutes；Finally discharge centrifugal dehydration, drying, crush to get.
Embodiment 7:
By in 4.4kg zinc oxide, 1.6kg aluminium hydroxide investment sand mill, 9kg water is added, is ground 20 minutes；4kg is put into again
Industrial phosphoric acid is ground 50 minutes, and control reaction temperature is 65 DEG C；Then sequentially add 0.32kg barium molybdate, 0.32kg strontium nitrate,
0.03kg zinc phthalate continues grinding 20 minutes；Finally discharge centrifugal dehydration, dries, and crushes, and packaging obtains product.
Embodiment 8:
By in 7.2kg zinc oxide, 2kg aluminium hydroxide investment sand mill, 10kg water is added, is ground 120 minutes；8kg is put into again
Industrial phosphoric acid is ground 240 minutes, and control reaction temperature is 55 DEG C；Then sequentially add 0.3kg zinc molybdate, 0.2kg barium molybdate,
0.5kg strontium nitrate, 0.05kg sulfoacid calcium continue grinding 30 minutes；Finally discharge centrifugal dehydration, drying, crush to get.
Embodiment 9:
By in 6.2kg zinc oxide, 1.5kg aluminium hydroxide investment sand mill, 11.5kg water is added, is ground 100 minutes；It puts into again
7kg industrial phosphoric acid is ground 180 minutes, and control reaction temperature is 60 DEG C；Then 0.17kg zinc molybdate, 0.08kg oxidation are sequentially added
Strontium, 0.02kg zinc phthalate continue grinding 40 minutes；Finally discharge centrifugal dehydration, drying, crush to get.
Embodiment 10: application test
Product made from embodiment 1 (ZPX), trbasic zinc phosphate, modified aluminium triphosphate are applied in waterborne epoxy coatings, progressive
It can contrast test.Modification aluminium triphosphate (APW-2) and trbasic zinc phosphate as a comparison is that Guangxi Xinjing Sci. & Tech. Co., Ltd. is raw
The rust resisting pigment product for producing and selling on the market.
Painting: first by aqueous epoxy resins, water, cosolvent, part of auxiliary, pH adjusting agent, rust resisting pigment, other auxiliary face
The fully dispersed slurrying of filler, being ground to, fineness is suitable, remaining auxiliary agent is added after screening and is sufficiently stirred to obtain finished product water-base epoxy
Resin anti-corrosive paint.
By GH/T 4759-2014 water borne epoxy resin anticorrosive paint, storage stability, adhesive force, rustless property etc. are carried out
Test.Comparative result is as shown in Figure 1.
As shown in Figure 1, product of the present invention easily dispersion, stable storage, rustless property in water-borne epoxy systems is better than phosphoric acid
Zinc, it is similar with modified aluminium triphosphate.
Embodiment 11: application test
Product made from embodiment 8 (ZPX), trbasic zinc phosphate, modified aluminium triphosphate are applied in water-borne acrylic coatings, carried out
Performance comparison test.Modification aluminium triphosphate (APW-2) and trbasic zinc phosphate as a comparison is Guangxi Xinjing Sci. & Tech. Co., Ltd.
The rust resisting pigment product for producing and selling on the market.
Painting: first that aqueous acrylic emulsion, water, part of auxiliary, pH adjusting agent, rust resisting pigment, other pigments and fillers are abundant
Disperse slurrying, fineness is suitable being ground to, remaining auxiliary agent is added after screening and is sufficiently stirred to obtain water-based acrylic resin coating.
The test such as storage stability, adhesive force, rustless property, Comparative result such as Fig. 2 institute are carried out by GH/T 4758-2014
Show.
As shown in Figure 2, the problem of modified aluminium triphosphate is due to resin compatible stability in aqueous acrylamide acid system
Heat storage is unqualified, and using effect is poor, and product of the present invention is stablized easy-to-use in the system, while rustless property is substantially better than phosphoric acid
Zinc.
Claims (9)
1. a kind of rust resisting pigment for water paint, which is characterized in that be prepared by the raw material of following parts by weight:
80 ~ 120 parts of phosphoric acid
70 ~ 110 parts of zinc oxide
20 ~ 40 parts of aluminium hydroxide
Molybdenum source, with 1 ~ 8 part of Mass Calculation containing molybdenum element
Barium source, with 1 ~ 8 part of Mass Calculation containing strontium element
0.2 ~ 0.8 part of auxiliary agent.
2. as described in claim 1 be used for water paint rust resisting pigment, it is characterised in that: the molybdenum source be zinc molybdate,
One of calcium molybdate, barium molybdate, molybdic acid aluminium, strontium molybdate, ammonium molybdate, sodium molybdate or more than one mixture.
3. as described in claim 1 be used for water paint rust resisting pigment, it is characterised in that: the barium source be strontium oxide strontia,
One of strontium hydroxide, strontium molybdate, strontium carbonate, strontium chromate, strontium sulfate, strontium nitrate or more than one mixture.
4. as described in claim 1 be used for water paint rust resisting pigment, it is characterised in that: the auxiliary agent be sulfonate,
One of Phthalate, ethanol amine or more than one mixture.
5. being used for the rust resisting pigment of water paint as described in claim 1, which is characterized in that preparation method includes following step
It is rapid:
A, by zinc oxide, aluminium hydroxide investment milling apparatus, the water of 1 ~ 2 times of weight is added, grinds slurrying；
B, by phosphoric acid put into milling apparatus in, under grinding condition with slurry hybrid reaction made of step A；
C, molybdenum source, barium source, auxiliary agent are sequentially added and continues to grind in milling apparatus, place is modified to the reaction product of step B
Reason；
D, last slurry by centrifugation, it is dry, crush to get.
6. being used for the rust resisting pigment of water paint as claimed in claim 5, it is characterised in that: milling time in the step A
It is 10-120 minutes.
7. being used for the rust resisting pigment of water paint as claimed in claim 5, it is characterised in that: when being reacted in the step B
Between be 30-240 minutes.
8. being used for the rust resisting pigment of water paint as claimed in claim 5, it is characterised in that: react temperature in the step B
Degree is 20 ~ 80 DEG C.
9. being used for the rust resisting pigment of water paint as claimed in claim 5, it is characterised in that: when being ground in the step C
Between be 20 ~ 40 minutes.
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| CN201910456848.8A CN110183887B (en) | 2019-05-29 | 2019-05-29 | Antirust pigment for water-based paint and preparation method thereof |
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| CN201910456848.8A CN110183887B (en) | 2019-05-29 | 2019-05-29 | Antirust pigment for water-based paint and preparation method thereof |
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| CN110183887B CN110183887B (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159601A (en) * | 2020-09-22 | 2021-01-01 | 麦加涂料(南通)有限公司 | Antirust pigment and use method thereof |
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| US20070088111A1 (en) * | 2005-08-26 | 2007-04-19 | Ppg Industries Ohio, Inc. | Coating compositions exhibiting corrosion resistance properties, related coated substrates, and methods |
| CN104356795A (en) * | 2014-10-10 | 2015-02-18 | 广州擎天材料科技有限公司 | Single component air-drying water-based rust inhibiting primer with curtaining capacity and used for electrical equipment housing as well as preparation method of primer |
| CN107513341A (en) * | 2017-08-22 | 2017-12-26 | 北京碧海舟腐蚀防护工业股份有限公司 | Quick-drying high solid carbamide paint, its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112159601A (en) * | 2020-09-22 | 2021-01-01 | 麦加涂料(南通)有限公司 | Antirust pigment and use method thereof |
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