CN110746848A - Water-based epoxy micaceous iron oxide middle paint and preparation method thereof - Google Patents
Water-based epoxy micaceous iron oxide middle paint and preparation method thereof Download PDFInfo
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- CN110746848A CN110746848A CN201910982911.1A CN201910982911A CN110746848A CN 110746848 A CN110746848 A CN 110746848A CN 201910982911 A CN201910982911 A CN 201910982911A CN 110746848 A CN110746848 A CN 110746848A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based epoxy micaceous iron oxide middle coating and a preparation method thereof, wherein the coating is prepared from the following components in parts by weight: 40-55 parts of water-based epoxy resin, 20-25 parts of water-based amino resin, 5-10 parts of water-based organic silicon emulsion, 10-20 parts of mica iron oxide, 7-10 parts of rutile titanium dioxide, 20-30 parts of distilled water, 1-3 parts of dispersant zinc stearate, 1-2 parts of defoamer polydimethylsiloxane and 1-3 parts of thickener methyl methacrylate copolymer emulsion. The water-based epoxy micaceous iron oxide middle coating provided by the invention takes water as a diluent, does not contain toxic and harmful components such as organic solvents and the like, has no pungent smell, is safe and environment-friendly in production and use, can be widely applied to anticorrosion decoration of ships, bridges, steel structures, iron towers, container bodies and the like, has strong coating adhesion, plump paint film, flatness and smoothness and strong corrosion resistance, and has the advantage of prolonging the service life of metal substrates.
Description
Technical Field
The invention relates to the field of coatings, and mainly relates to a water-based epoxy micaceous iron coating and a preparation method thereof, which are mainly used in the industries of steel structures, iron towers, ships and the like.
Background
In the use process of steel, the influence of the peripheral environment is easily received, corrosion and rust are caused, the service life of the steel is shortened, and in order to solve the problem, the steel is generally protected by adopting a spraying paint film, so that the service life of the steel is prolonged. At present, people adopt a layer of primer surfacer to improve the thickness of a paint film, improve the protective capability of a coating on steel and reduce the cost. However, due to the difference of the components and the proportion of various middle paints, the conditions of low drying speed, poor adhesion and low solid content, such as sagging of a paint film, poor corrosion resistance, poor salt and alkali resistance and the like are easy to occur; and the other middle painting has large discharge amount of VOC, which brings great harm to the environment and human body. The water-based anticorrosive primer surfacer is an environment-friendly paint which takes water as a diluent and is not added with an organic solvent, and also contains toxic solvents such as benzene, toluene, xylene, methanol, butyl ethyl ester and the like, has no toxicity, generates no pungent smell, is harmless to a human body, and does not pollute the surrounding environment. Therefore, aiming at the existing market products, the invention develops the water-based epoxy micaceous iron oxide middle coating which is environment-friendly and has high performance by adopting a new process and a new formula through technical innovation.
Disclosure of Invention
The invention aims to provide the water-based epoxy micaceous iron oxide primer surfacer which meets the requirements of safety and environmental protection, achieves the functions of corrosion resistance, acid and alkali resistance, long service life and the like, and has the idea of environmental protection.
The invention can be achieved by the following process and technical scheme:
the water-based epoxy micaceous iron paint is prepared from the following components in parts by weight: 40-55 parts of water-based epoxy resin, 20-25 parts of water-based amino resin, 5-10 parts of water-based organic silicon emulsion, 10-20 parts of mica iron oxide, 7-10 parts of rutile titanium dioxide, 20-30 parts of distilled water, 1-3 parts of dispersant zinc stearate, 1-2 parts of defoamer polydimethylsiloxane and 1-3 parts of thickener methyl methacrylate copolymer emulsion.
A preparation method of a water-based epoxy micaceous iron oxide primer coating is disclosed, and the preferable process formula is that the coating comprises the following components in parts by weight: 42-52 parts of water-based epoxy resin, 22-24 parts of water-based amino resin, 6-9 parts of water-based organic silicon emulsion, 12-18 parts of mica iron oxide, 8-10 parts of rutile titanium dioxide, 20-28 parts of distilled water, 1.1-2.8 parts of dispersant zinc stearate, 1.2-1.8 parts of defoaming agent polydimethylsiloxane and 1.2-2.8 parts of thickener methyl methacrylate copolymer emulsion.
The preparation method of the water-based epoxy micaceous iron oxide primer paint can be prepared by the following process steps:
(1) respectively adding the waterborne epoxy resin, the waterborne amino resin, the waterborne organic silicon emulsion, the mica iron oxide, the titanium dioxide and the distilled water into a stirring pot according to the parts by weight, and simultaneously starting a stirrer to stir uniformly.
(2) After stirring for 0.5-1 hour, slowly heating to 60-70 ℃, respectively adding a dispersing agent, a defoaming agent and a thickening agent, slowly heating to 80 ℃, starting a vacuum system, and uniformly stirring under the condition of negative pressure.
(3) After uniformly stirring for 2-3 hours, closing the vacuum, carrying out sand milling process on the material, controlling the fineness within 100um, and simultaneously adding distilled water to adjust the viscosity to be 50-70(s).
(4) And finally, filtering the mixture by a 100-mesh filter screen and packaging the filtered mixture to obtain a finished product.
Has the advantages that:
the water-based epoxy micaceous iron oxide primer has the advantages that the paint film coating has good adhesive force with the bottom layer, the paint film has high hardness, strong compactness and good corrosion resistance, is widely used for the primer of various heavy-duty anticorrosive metal substrates, improves the acid and alkali resistance and the corrosion resistance of the metal substrates, and prolongs the service life of the metal substrates. Meanwhile, the intermediate coating has the advantages of safety in use, greenness and environmental protection.
Detailed Description
Example 1
(1) 460kg of water-based epoxy resin, 230kg of water-based amino resin, 75kg of water-based organic silicon emulsion, 150kg of mica iron oxide, 90kg of titanium dioxide and 240kg of distilled water are respectively added into a stirring pot according to the weight part ratio, and simultaneously a stirrer is started for uniform stirring.
(2) After stirring for 1 hour, slowly heating to 68 ℃, respectively adding 20kg of dispersing agent, 15kg of defoaming agent and 22kg of thickening agent, slowly heating to 80 ℃, starting a vacuum system, and uniformly stirring under the condition of negative pressure of 0.03 MPa.
(3) After uniformly stirring for 2.5 hours, closing the vacuum, performing sand milling treatment on the material, controlling the fineness within 100um, and simultaneously adding distilled water to adjust the viscosity to 60 s.
(4) And finally, filtering the mixture by a 100-mesh filter screen and packaging the filtered mixture to obtain a finished product.
Example 2
(1) Respectively adding 500kg of waterborne epoxy resin, 220kg of waterborne amino resin, 80kg of waterborne organic silicon emulsion, 170kg of mica iron oxide, 95kg of titanium dioxide and 260kg of distilled water into a stirring pot according to the weight part ratio, and simultaneously starting a stirrer to stir uniformly.
(2) After stirring for 0.8 hour, slowly heating to 65 deg.C, adding 25kg dispersant, 16kg defoamer, and 25kg thickener, respectively, slowly heating to 80 deg.C, starting vacuum system, and stirring under negative pressure of 0.04 Mpa.
(3) After uniformly stirring for 2.2 hours, closing the vacuum, performing sand milling treatment on the material, controlling the fineness within 100um, and simultaneously adding distilled water to adjust the viscosity to 65 s.
(4) And finally, filtering the mixture by a 100-mesh filter screen and packaging the filtered mixture to obtain a finished product.
Example 3
(1) 480kg of waterborne epoxy resin, 240kg of waterborne amino resin, 85kg of waterborne organic silicon emulsion, 160kg of mica iron oxide, 85kg of titanium dioxide and 220kg of distilled water are respectively added into a stirring pot according to the weight part ratio, and simultaneously, a stirrer is started to uniformly stir.
(2) After stirring for 1 hour, slowly heating to 66 ℃, respectively adding 18kg of dispersing agent, 17kg of defoaming agent and 24kg of thickening agent, slowly heating to 80 ℃, starting a vacuum system, and uniformly stirring under the condition of negative pressure of 0.05 Mpa.
(3) After uniformly stirring for 3 hours, closing the vacuum, carrying out sand milling treatment on the materials, controlling the fineness within 100um, and simultaneously adding distilled water to adjust the viscosity to 68 s.
(4) And finally, filtering the mixture by a 100-mesh filter screen and packaging the filtered mixture to obtain a finished product.
The product of the invention is detected by the product of the embodiment, and the performance indexes of the obtained product are as follows:
| numbering | Item | Performance of | Remarks for note |
| 1 | Acid mist resistance | 290 hours | Examples 1 to 3 |
| 2 | Accelerated weathering test | The mixture is mixed with various finishing paints for 480 hours | Examples 1 to 3 |
| 3 | Heat resistance | 460 degree | Examples 1 to 3 |
| 4 | Surface drying time | 3 hours | Examples 1 to 3 |
| 5 | Actual drying time | 48 hours | Examples 1 to 3 |
| 6 | Viscosity (S) | 60～70 | Examples 1 to 3 |
| 7 | X-ray analysis | The product becomes inactive | Examples 1 to 3 |
| 8 | Fineness (um) | Less than 100 | Examples 1 to 3 |
| 9 | Adhesion (cross-hatch) rating | 1 | Examples 1 to 3 |
| 10 | Impact resistance (kg. cm) | 70～80 | Examples 1 to 3 |
| 11 | Appearance of the product | No hard block, flat and smooth paint film | Examples 1 to 3 |
| 12 | Water resistance (h.25 ℃ C.) | 660 | Examples 1 to 3 |
The invention has the advantages that through the interaction of the formula of each component, each index performance is obvious, and the technical innovation makes obvious progress.
The invention belongs to a preparation method of solvent-free water-based anticorrosive primer, the components do not contain toxic and harmful components such as organic solvent and the like, have no pungent smell, are harmless to human bodies during production and use, belong to environment-friendly water-based paint, can be widely applied to anticorrosive decoration of ships, bridges, steel structures, iron towers, container bodies and the like, and have simple operation, safety and reliability.
The above-described examples are merely preferred embodiments of the present invention, and conventional modifications and substitutions by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (3)
1. The water-based epoxy micaceous iron oxide middle coating is characterized by being prepared from the following components in parts by weight: 40-55 parts of water-based epoxy resin, 20-25 parts of water-based amino resin, 5-10 parts of water-based organic silicon emulsion, 10-20 parts of mica iron oxide, 7-10 parts of rutile titanium dioxide, 20-30 parts of distilled water, 1-3 parts of dispersant zinc stearate, 1-2 parts of defoamer polydimethylsiloxane and 1-3 parts of thickener methyl methacrylate copolymer emulsion.
2. The water-based epoxy micaceous iron oxide primer surfacer and the preparation method thereof as claimed in claim 1, wherein the preferable process formula is that the paint comprises the following components in parts by weight: 42-52 parts of water-based epoxy resin, 22-24 parts of water-based amino resin, 6-9 parts of water-based organic silicon emulsion, 12-18 parts of mica iron oxide, 8-10 parts of rutile titanium dioxide, 20-28 parts of distilled water, 1.1-2.8 parts of dispersant zinc stearate, 1.2-1.8 parts of defoaming agent polydimethylsiloxane and 1.2-2.8 parts of thickener methyl methacrylate copolymer emulsion.
3. The water-based epoxy micaceous iron oxide intermediate coat and the preparation method thereof as claimed in claim 1 are prepared by the following process steps:
(1) respectively adding the waterborne epoxy resin, the waterborne amino resin, the waterborne organic silicon emulsion, the mica iron oxide, the titanium dioxide and the distilled water into a stirring pot according to the parts by weight, and simultaneously starting a stirrer to stir uniformly;
(2) after stirring for 0.5-1 hour, slowly heating to 60-70 ℃, respectively adding a dispersing agent, a defoaming agent and a thickening agent, slowly heating to 80 ℃, starting a vacuum system, and uniformly stirring under the condition of negative pressure;
(3) after uniformly stirring for 2-3 hours, closing the vacuum, performing sand milling treatment on the material, controlling the fineness within 100 mu m, and adding distilled water to adjust the viscosity to be 50-70 s;
(4) and finally, filtering the mixture by a 100-mesh filter screen and packaging the filtered mixture to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910982911.1A CN110746848A (en) | 2019-10-16 | 2019-10-16 | Water-based epoxy micaceous iron oxide middle paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910982911.1A CN110746848A (en) | 2019-10-16 | 2019-10-16 | Water-based epoxy micaceous iron oxide middle paint and preparation method thereof |
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| CN110746848A true CN110746848A (en) | 2020-02-04 |
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| CN201910982911.1A Pending CN110746848A (en) | 2019-10-16 | 2019-10-16 | Water-based epoxy micaceous iron oxide middle paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113444447A (en) * | 2021-06-24 | 2021-09-28 | 岳阳市高知建筑材料有限公司 | Water-based paint with strong corrosion resistance and production process thereof |
| CN114644873A (en) * | 2020-12-21 | 2022-06-21 | 河南青山环保科技有限公司 | Water-based epoxy micaceous iron oxide intermediate paint and production process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701125A (en) * | 2009-11-26 | 2010-05-05 | 江苏兰陵高分子材料有限公司 | Water-based epoxy micaceous iron oxide rustproof paint and preparation method thereof |
| CN106318123A (en) * | 2016-08-31 | 2017-01-11 | 湖南松井新材料有限公司 | Waterborne paint for magnalium, waterborne coating for magnalium and preparation methods |
-
2019
- 2019-10-16 CN CN201910982911.1A patent/CN110746848A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701125A (en) * | 2009-11-26 | 2010-05-05 | 江苏兰陵高分子材料有限公司 | Water-based epoxy micaceous iron oxide rustproof paint and preparation method thereof |
| CN106318123A (en) * | 2016-08-31 | 2017-01-11 | 湖南松井新材料有限公司 | Waterborne paint for magnalium, waterborne coating for magnalium and preparation methods |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644873A (en) * | 2020-12-21 | 2022-06-21 | 河南青山环保科技有限公司 | Water-based epoxy micaceous iron oxide intermediate paint and production process thereof |
| CN113444447A (en) * | 2021-06-24 | 2021-09-28 | 岳阳市高知建筑材料有限公司 | Water-based paint with strong corrosion resistance and production process thereof |
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