CN104962168A - Water-soluble anti-rust paint and preparation method thereof - Google Patents
Water-soluble anti-rust paint and preparation method thereof Download PDFInfo
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Abstract
The invention provides water-soluble anti-rust paint and a preparation method thereof. The water-soluble anti-rust paint comprises, by weight, 38-55 parts of base materials, 2-4 parts of rust transforming agents, 2-3 parts of passivating preservatives, 0.5-0.9 part of driers, 1.3-1.6 parts of auxiliaries, 20-30 parts of pigment and fillers and 30-40 parts of water. The base materials are mixtures of soap-free water-based acrylate, epoxy resin and polyurethane; and the rust transforming agents comprise mica iron oxide and phosphoric acid, the phosphoric acid is industrial hydrochloric acid with the content of 85%, and a weight ratio of the mica iron oxide to the phosphoric acid is 1:1-1.5. The water-soluble anti-rust paint and the preparation method have the advantages that the water-soluble anti-rust paint is scientific and reasonable in formula, the water can be used as solvent instead of petroleum and benzene, and accordingly the water-soluble anti-rust paint has rust removal and anti-rust functions and can be widely applied to anticorrosion construction and steel structure anticorrosion construction.
Description
Technical field
The present invention relates to rust-inhibiting paint technology, particularly relate to a kind of water-soluble anti-rust paint and preparation method thereof.
Background technology
Along with expanding economy, the consumption of iron and steel and the loss caused by surface corrosion thereof grow with each passing day.According to statistics, the financial loss that China causes due to metallic corrosion every year, up to 1,000,000,000 ~ 15,000,000,000 yuans, therefore, needs a large amount of steel surface rust-inhibiting paints.At present, the rust-inhibiting paint of domestic use mainly with oil and benzene kind solvent be solvent or diluent, alkyd and the resol solvent-borne type iron oxide red anticorrosive paint that is base-material.This rust-inhibiting paint not only cost is high, and poisonous, inflammable, only has single antirust function, needs to carry out heavy artificial rust cleaning before using, and pre-treatment bothers.
Along with the enhancing of environmental consciousness, urgently a kind of water-based anticorrosive paint of environment-friendly high-efficiency.
Summary of the invention
The object of the invention is to, for existing rust-inhibiting paint, not only cost is high, and it is poisonous, inflammable, only there is the problem of single antirust function, propose a kind of water-soluble anti-rust paint, this rust-inhibiting paint scientific formulation is reasonable, oil can be replaced with water and benzene class makes solvent, and there is rust cleaning, antirust dual-use function, can be used in anticorrosive construction and anticorrosion of steel structure construction.
For achieving the above object, the technical solution used in the present invention is: a kind of water-soluble anti-rust paint, and each component following by weight proportion forms:
Base-material 38-55 part;
Rust transforming agent 2-4 part;
Passivation sanitas 2-3 part;
Siccative 0.5-0.9 part;
Auxiliary agent 1.3-1.6 part;
Paint filler 20-30 part;
Water 30-40 part;
Wherein, described base-material is the mixture without soap water-and acrylate, epoxy resin and urethane;
Described rust transforming agent is made up of iron mica and phosphoric acid, and the technical hydrochloric acid of described phosphoric acid to be content be 85 %, the weight ratio of described iron mica and phosphoric acid is 1:1-1.5.
The main component of iron rust is Fe
2o
3and FeO, they are all converted into the fine and close phosphatize phosphate coat (Fe that one deck can be antirust under the effect of phosphoric acid
3(PO
4)
2), then phosphoric acid further with the iron effect of rust bottom, also generate the fine and close phosphatize phosphate coat of one deck, transform with rust above that phosphatize phosphate coat is molten to be integrated, thus make former loose rusty scale become the phosphorization membrane of densification and ooze firmly and invest steel surface.Its sticking power and rust-preventing characteristic will be got well (because artificial rust cleaning is without fine and close rust conversion coating) more than artificial rust cleaning.
Iron mica: main component is α-Fe
2o
3, be a kind of pigment made with natural crystal, there is mica shape sheet structure, and be called iron mica.Its Fe
2o
3content can reach more than 92%, and with the grey powder of red phase, particle diameter, at 5 ~ 100 microns, is a kind of thicker pigment.The advantage of its existing red iron oxide, utilizes again its sheet structure, is mixed with rust-inhibiting paint.Due to thin slice close-packed arrays, there is the iris action of physical property, improve rustless property.Following characteristics is had: have good formation film with the paint that iron mica is made; Excellent sticking power and connection performance; Anti-topsoil and UV-light, radiationless; Splendid weather resistance; Easy telogenesis thick film etc.
Further, water-soluble anti-rust paint, each component following by weight proportion forms:
Base-material 35-50 part;
Rust transforming agent 2.5-3 part;
Passivation sanitas 2-3 part;
Siccative 0.5-0.6 part;
Auxiliary agent 1.3-1.5 part;
Paint filler 20-30 part;
Water 30-40 part.
Further, the described mol ratio without soap water-and acrylate, epoxy resin and urethane is 1:2:0.5-3.
Further, passivation sanitas is that the zinc phosphate of 2:1 and zinc chromate form by weight proportion, because they have excellent anticorrosion, rust-preventing characteristic, and have good mutual solubility and sticking power with above-mentioned phosphatize phosphate coat, thus further enhancing preservative property and the rust-preventing characteristic of former phosphatize phosphate coat, make paint film have better passivation and rust-preventing characteristic.
Further, described siccative is naphthenic acid rare earth.
Further, described auxiliary agent comprises propylene glycol, emulsifying dispersant tween-80, defoamer tributylphosphate and anti-settling agent wilkinite.Main Function is the production and construction and the package stability that improve this paint.In mechanical dispersion process, granules of pigments is in high dispersing state in system. and its surface energy is quite large, be tending towards be combineding with each other and cause cohesion caking, how to make pigment dispersion tie up in the long duration and be in metastable state, dispersion agent will play a significant role, and the present invention adopts emulsifying dispersant tween-80.
Further, described filler is made up of zinc oxide, zinc phosphate, red iron oxide and talcum powder, and Main Function improves the opacifying power of this paint, preservative property and decorative appearance.Pigment add the permeability resistance that can improve coating, pigment particles is waterproof, and it can fill pore, extends infiltration and the distance of matrix.When in coating, pigment is less than critical pigment volume concentration, water is by the base-material infiltration of the particle between pigment, just swiftly pass through the void diffusion between pigment particles when being greater than this concentration, therefore the water permeate of colored paint is decided by the geometrical shape of the kind of pigment, consumption, dispersity and particle.Reacting to each other in addition between pigment-superpolymer, pigment-superpolymer-water, superpolymer-matrix also has impact to the infiltration of water.
Select the water-based basis mill base containing vinylformic acid isoreactivity group, zinc oxide is pigment extender, and zinc phosphate is active rust-stabilising pigment, and Sodium Nitrite-Sodium Benzoate is used as inhibiter.Active group in mill base can react with the active group in Acrylate-Epoxy-polyaminoester emulsion, greatly strengthen the paint consistency of base and the permeability resistance of paint film.Zinc phosphate is a kind of hydrate, nontoxic, there is the ability generating basic complex, this complex compound can with the polar group in paint vehicle, as the complexing further such as hydroxyl, carboxyl, generate crosslink complex, make to form Chemical bond between pigment-paint vehicle-ground and the sticking power and the impermeability that improve coating.Also can form co-ordination complex with Fe3+ and make metal surface passivation, stop the generation of rust.Zinc oxide and zinc phosphate, with the use of the Corrosion Protection that can improve zinc phosphate, can also play the effect of stabilising system pH simultaneously.Inhibition is the process stoping corrosion, prevents anodic process and cathodic process by inhibiter, effectively can stop " dodging erosion " n (NaNO
2): n (C
6h
5cOONa) be mixed with the 10 % aqueous solution at=1: 10, and consumption is about 0 .5 %.
Further, described zinc oxide, zinc phosphate, red iron oxide and talcous weight ratio are 1:0.5:0.8:5-10.
Another one object of the present invention also discloses a kind of preparation method of above-mentioned water-soluble anti-rust paint, comprises the following steps:
(1) transforming agent, passivation sanitas and paint filler will be become rusty according to after proportioning mixing and stirring, be less than 60 μm through sand mill sand milling to fineness;
(2) general, water, auxiliary agent, base-material, siccative and step (1) described material add in proportion in dispersion tank and stir, and are uniformly dispersed and obtain water-soluble anti-rust paint.
Further, in step (1), mesh-of-grind is less than 30 μm.
Water-soluble anti-rust paint formula science of the present invention, rationally, its preparation side is simple, easy, has the following advantages compared with prior art:
(1) the present invention is by having the macromolecular material of different chemical composition and different performance by certain means compound, makes it to have complementary advantages.Particularly, the present invention adopts without soap water-and acrylate, epoxy resin and urethane composite, combine three kinds of different resins advantage separately, develop a kind of aqueous antirust paint of economic environment-friendly high-efficiency, in construction process, set time is short (180 DEG C, 2min), paint film is hard, pliable and tough, bright, plentiful, wear-resisting, strong adhesion, excellent anti-corrosion performance.
(2) rust-inhibiting paint is in long-term storage process, the disadvantages such as the absorption of easy generation pigment deposit clumps, siccative, thickening and resin hydrolyzing, stability test is carried out to rust-inhibiting paint of the present invention: get two groups of samples, one group rotates 1 year at indoor lucifuge place, another group has carried out accelerated test, namely at 5 scholar l DEG C keep two weeks, then by two groups of samples respectively film-making carry out performance test, result shows, two groups of sample datas are substantially identical.With compared with the paint stored, after storage, the viscosity of paint drops to 90s by 100s, and time of drying is constant, and other physical and mechanical propertiess are uninfluenced, thus, can think that the storage of this rust-inhibiting paint is stable.
(3) freeze-thaw stability experiment, repeatedly freeze, melt 20 times, the properties of paint is not all affected.Experiment proves that the freeze-thaw resistance of rust-inhibiting paint is reliable, and freezes rear storage winter and also can extend the shelf life.
Embodiment
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1
Present embodiment discloses a kind of water-soluble anti-rust paint, each component following by weight proportion forms:
Base-material 40 parts;
Rust transforming agent 3 parts;
Passivation sanitas 2.5 parts;
Siccative 0.6 part;
Auxiliary agent 1.5 parts;
Paint filler 20 parts;
40 parts, water;
Wherein, the mixture without soap water-and acrylate, epoxy resin and urethane of described base-material to be mol ratio be 1:2:2;
Described rust transforming agent is made up of iron mica and phosphoric acid, and the technical hydrochloric acid of described phosphoric acid to be content be 85 %, the weight ratio of described iron mica and phosphoric acid is 1:1.
Described passivation sanitas is that the zinc phosphate of 2:1 and zinc chromate form by weight proportion.
Described siccative is naphthenic acid rare earth.
Described auxiliary agent comprises propylene glycol, emulsifying dispersant tween-80, defoamer tributylphosphate and anti-settling agent wilkinite.
Described filler is that 1:0.5:0.8:8 zinc oxide, zinc phosphate, red iron oxide and talcum powder form by weight ratio.
The preparation method of the present embodiment water-soluble anti-rust paint, comprises the following steps:
(1) transforming agent, passivation sanitas and paint filler will be become rusty according to after proportioning mixing and stirring, be less than 50 μm through sand mill sand milling to fineness;
(2) material, water, auxiliary agent, base-material, siccative described in step 1 are added in dispersion tank in proportion stir, be uniformly dispersed and obtain rust-inhibiting paint.
The water-soluble anti-rust paint fineness that after testing prepared by the present embodiment is 50 μm; Resistance to salt water is non-foaming, non-corrosive; Nitrocellulose lacquer resistance is non-foaming, nonbleeding; And brush Tu is good, surface drying time 30min.
Embodiment 2
Present embodiment discloses a kind of water-soluble anti-rust paint, each component following by weight proportion forms:
Base-material 50 parts;
Rust transforming agent 3 parts;
Passivation sanitas 3 parts;
Siccative 0.5 part;
Auxiliary agent 1.5 parts;
Paint filler 30 parts;
30 parts, water;
Wherein, the mixture without soap water-and acrylate, epoxy resin and urethane of described base-material to be mol ratio be 1:2:1;
Described rust transforming agent is made up of iron mica and phosphoric acid, described phosphoric acid to be content be 85% technical hydrochloric acid, the weight ratio of described iron mica and phosphoric acid is 1:1.
Described passivation sanitas is that the zinc phosphate of 2:1 and zinc chromate form by weight proportion.
Described siccative is naphthenic acid rare earth.
Described auxiliary agent comprises propylene glycol, emulsifying dispersant tween-80, defoamer tributylphosphate and anti-settling agent wilkinite.
Described filler is that 1:0.5:0.8:8 zinc oxide, zinc phosphate, red iron oxide and talcum powder form by weight ratio.
The preparation method of the present embodiment water-soluble anti-rust paint, comprises the following steps:
(1) transforming agent, passivation sanitas and paint filler will be become rusty according to after proportioning mixing and stirring, be less than 40 μm through sand mill sand milling to fineness;
(2) material, water, auxiliary agent, base-material, siccative described in step 1 are added in dispersion tank in proportion stir, be uniformly dispersed and obtain rust-inhibiting paint.
The water-soluble anti-rust paint fineness that after testing prepared by the present embodiment is 40 μm; Resistance to salt water is non-foaming, non-corrosive; Nitrocellulose lacquer resistance is non-foaming, nonbleeding; And brush Tu is good, surface drying time 40min.
Embodiment 3
Present embodiment discloses a kind of water-soluble anti-rust paint, each component following by weight proportion forms:
Base-material 55 parts;
Rust transforming agent 4 parts;
Passivation sanitas 2 parts;
Siccative 0.5 part;
Auxiliary agent 1.3 parts;
Paint filler 25 parts;
30 parts, water;
Wherein, the mixture without soap water-and acrylate, epoxy resin and urethane of described base-material to be mol ratio be 1:2:1;
Described rust transforming agent is made up of iron mica and phosphoric acid, described phosphoric acid to be content be 85% technical hydrochloric acid, the weight ratio of described iron mica and phosphoric acid is 1:1.
Described passivation sanitas is that the zinc phosphate of 2:1 and zinc chromate form by weight proportion.
Described siccative is naphthenic acid rare earth.
Described auxiliary agent comprises propylene glycol, emulsifying dispersant tween-80, defoamer tributylphosphate and anti-settling agent wilkinite.
Described filler is that 1:0.5:0.8:8 zinc oxide, zinc phosphate, red iron oxide and talcum powder form by weight ratio.
The preparation method of the present embodiment water-soluble anti-rust paint, comprises the following steps:
(1) transforming agent, passivation sanitas and paint filler will be become rusty according to after proportioning mixing and stirring, be less than 60 μm through sand mill sand milling to fineness;
(2) material, water, auxiliary agent, base-material, siccative described in step 1 are added in dispersion tank in proportion stir, be uniformly dispersed and obtain rust-inhibiting paint.
The water-soluble anti-rust paint fineness that after testing prepared by the present embodiment is 60 μm; Resistance to salt water is non-foaming, non-corrosive; Nitrocellulose lacquer resistance is non-foaming, nonbleeding; And brush Tu is good, surface drying time 40min.
The present invention is not limited to water-soluble anti-rust paint described in above-described embodiment and preparation method thereof, and wherein the change of each material proportion is all within protection scope of the present invention.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a water-soluble anti-rust paint, is characterized in that, each component following by weight proportion forms:
Base-material 38-55 part;
Rust transforming agent 2-4 part;
Passivation sanitas 2-3 part;
Siccative 0.5-0.9 part;
Auxiliary agent 1.3-1.6 part;
Paint filler 20-30 part;
Water 30-40 part;
Wherein, described base-material is the mixture without soap water-and acrylate, epoxy resin and urethane;
Described rust transforming agent is made up of iron mica and phosphoric acid, and the technical hydrochloric acid of described phosphoric acid to be content be 85 %, the weight ratio of described iron mica and phosphoric acid is 1:1-1.5.
2. water-soluble anti-rust paint according to claim 1, it is characterized in that, each component following by weight proportion forms:
Base-material 35-50 part;
Rust transforming agent 2.5-3 part;
Passivation sanitas 2-3 part;
Siccative 0.5-0.6 part;
Auxiliary agent 1.3-1.5 part;
Paint filler 20-30 part;
Water 30-40 part.
3. water-soluble anti-rust paint according to claim 1, it is characterized in that, the described mol ratio without soap water-and acrylate, epoxy resin and urethane is 1:2:0.5-3.
4. water-soluble anti-rust paint according to claim 1, is characterized in that, described passivation sanitas is that the zinc phosphate of 2:1 and zinc chromate form by weight proportion.
5. water-soluble anti-rust paint according to claim 1, it is characterized in that, described siccative is naphthenic acid rare earth.
6. water-soluble anti-rust paint according to claim 1, it is characterized in that, described auxiliary agent comprises propylene glycol, emulsifying dispersant tween-80, defoamer tributylphosphate and anti-settling agent wilkinite.
7. water-soluble anti-rust paint according to claim 1, it is characterized in that, described filler is made up of zinc oxide, zinc phosphate, red iron oxide and talcum powder.
8. water-soluble anti-rust paint according to claim 7, it is characterized in that, described zinc oxide, zinc phosphate, red iron oxide and talcous weight ratio are 1:0.5:0.8:5-10.
9. a preparation method for water-soluble anti-rust paint described in any one of claim 1-8, is characterized in that, comprise the following steps:
(1) transforming agent, passivation sanitas and paint filler will be become rusty according to after proportioning mixing and stirring, be less than 60 μm through sand mill sand milling to fineness;
(2) general, water, auxiliary agent, base-material, siccative and step (1) described material add in proportion in dispersion tank and stir, and are uniformly dispersed and obtain water-soluble anti-rust paint.
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Cited By (11)
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|---|---|---|---|---|
| CN105801071A (en) * | 2016-03-16 | 2016-07-27 | 陈威 | Formula of primer-topcoat combined inorganic rust conversion high-temperature-resistant anti-rust paint and making technology |
| CN105885568A (en) * | 2016-06-22 | 2016-08-24 | 安徽汇利涂料科技有限公司 | Water-based rust converting primer and preparation method thereof |
| CN106189869A (en) * | 2016-08-31 | 2016-12-07 | 南通瑞普埃尔生物工程有限公司 | A kind of rust transfer anticorrosion ash color bottom paint and production technology thereof |
| CN106280864A (en) * | 2015-05-18 | 2017-01-04 | 厦门鹰派新材料科技有限公司 | A kind of epoxy turns rust type anticorrosion water-soluble coating |
| CN106947342A (en) * | 2017-04-28 | 2017-07-14 | 泉州市众科专利技术标准化研究院有限责任公司 | A kind of composition and its preparation technology for clothes hanger antirust |
| CN107841168A (en) * | 2017-10-24 | 2018-03-27 | 安徽迈高化工科技有限公司 | A kind of rust coating materials suitable for steel equipment application |
| CN111978842A (en) * | 2020-08-31 | 2020-11-24 | 青岛格林沃德新材料科技有限公司 | Preparation method and spraying process of anticorrosive polyurethane coating |
| WO2020232721A1 (en) * | 2019-05-23 | 2020-11-26 | 河北比尔尼克新材料科技股份有限公司 | Aqueous rusty convertible anti-corrosion coating, preparation method therefor and use thereof, coated film and method for retrofitting rusty metal |
| CN112143359A (en) * | 2020-09-27 | 2020-12-29 | 常州大学 | Integrated water-based rust conversion coating and preparation method thereof |
| WO2022088115A1 (en) * | 2020-10-30 | 2022-05-05 | 河北比尔尼克新材料科技股份有限公司 | Water-based paint specially for stainless steel substrate and preparation method therefor |
| CN115627107A (en) * | 2022-10-10 | 2023-01-20 | 重庆航利实业有限责任公司 | Rust removal coating and preparation device thereof |
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| CN106280864A (en) * | 2015-05-18 | 2017-01-04 | 厦门鹰派新材料科技有限公司 | A kind of epoxy turns rust type anticorrosion water-soluble coating |
| CN105801071A (en) * | 2016-03-16 | 2016-07-27 | 陈威 | Formula of primer-topcoat combined inorganic rust conversion high-temperature-resistant anti-rust paint and making technology |
| CN105885568A (en) * | 2016-06-22 | 2016-08-24 | 安徽汇利涂料科技有限公司 | Water-based rust converting primer and preparation method thereof |
| CN106189869A (en) * | 2016-08-31 | 2016-12-07 | 南通瑞普埃尔生物工程有限公司 | A kind of rust transfer anticorrosion ash color bottom paint and production technology thereof |
| CN106947342A (en) * | 2017-04-28 | 2017-07-14 | 泉州市众科专利技术标准化研究院有限责任公司 | A kind of composition and its preparation technology for clothes hanger antirust |
| CN107841168A (en) * | 2017-10-24 | 2018-03-27 | 安徽迈高化工科技有限公司 | A kind of rust coating materials suitable for steel equipment application |
| WO2020232721A1 (en) * | 2019-05-23 | 2020-11-26 | 河北比尔尼克新材料科技股份有限公司 | Aqueous rusty convertible anti-corrosion coating, preparation method therefor and use thereof, coated film and method for retrofitting rusty metal |
| CN111978842A (en) * | 2020-08-31 | 2020-11-24 | 青岛格林沃德新材料科技有限公司 | Preparation method and spraying process of anticorrosive polyurethane coating |
| CN112143359A (en) * | 2020-09-27 | 2020-12-29 | 常州大学 | Integrated water-based rust conversion coating and preparation method thereof |
| CN112143359B (en) * | 2020-09-27 | 2022-04-15 | 常州大学 | Integrated water-based rust conversion coating and preparation method thereof |
| WO2022088115A1 (en) * | 2020-10-30 | 2022-05-05 | 河北比尔尼克新材料科技股份有限公司 | Water-based paint specially for stainless steel substrate and preparation method therefor |
| CN115627107A (en) * | 2022-10-10 | 2023-01-20 | 重庆航利实业有限责任公司 | Rust removal coating and preparation device thereof |
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Application publication date: 20151007 |