CN111978823A - Water-based epoxy resin for anticorrosive paint - Google Patents
Water-based epoxy resin for anticorrosive paint Download PDFInfo
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- CN111978823A CN111978823A CN202010902253.3A CN202010902253A CN111978823A CN 111978823 A CN111978823 A CN 111978823A CN 202010902253 A CN202010902253 A CN 202010902253A CN 111978823 A CN111978823 A CN 111978823A
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- epoxy resin
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- based epoxy
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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
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a water-based epoxy resin for an anticorrosive coating, which has the technical scheme that: the paint comprises solid epoxy resin, pure water, an organic silicon defoaming agent, glycol, solvent oil and butanol, wherein the components in parts by weight are as follows: 30-50 parts of solid epoxy resin; 10-15 parts of pure water; 1-9 parts of an organic silicon defoaming agent; 1-3 parts of ethylene glycol; 10-30 parts of solvent oil; 3-8 parts of butanol, and the beneficial effects of the invention are as follows: after the solution is formed, the size of epoxy resin dispersion phase particles in the solution is small, the particles are regular in shape and narrow in size distribution, the prepared solution is good in stability, the particles are not easy to collide with each other, the coagulation phenomenon is avoided, the film forming performance of the solution is good, foam in the stirring process can be eliminated through the design of the organic silicon defoaming agent, and the activity of the surface of the solution can be improved through the design of ethylene glycol.
Description
Technical Field
The invention relates to the technical field of waterborne epoxy resin, in particular to waterborne epoxy resin for an anticorrosive coating.
Background
The water-based epoxy resin can be divided into anionic resin and cationic resin, wherein the anionic resin is used for anodic electrodeposition paint, the cationic resin is used for cathodic electrodeposition paint, and the water-based epoxy resin has the main characteristic of excellent corrosion resistance and is used in the fields of medical appliances, electric appliances, light industrial products and the like besides being used for automobile coating.
The prior art has the following defects: in the preparation of the water-based epoxy resin in the prior art, the dispersed phase of the epoxy resin in a solution has large particle size, irregular particle shape and wide size distribution, the prepared solution has poor stability, the particles are easy to collide with each other to generate coagulation, and the film-forming performance of the solution is poor.
Therefore, it is necessary to invent a water-based epoxy resin for anticorrosive paint.
Disclosure of Invention
Therefore, the invention provides a water-based epoxy resin for an anticorrosive paint, after a solution is formed, the size of dispersed phase particles of the epoxy resin in the solution is small, the particles are regular in shape and narrow in size distribution, the prepared solution is good in stability, the particles are not easy to collide with each other, the coagulation phenomenon is avoided, and the film forming performance of the solution is good, so that the problems that the particles are irregular in shape and wide in size distribution, the prepared solution is poor in stability, the particles are easy to collide with each other to cause the coagulation phenomenon, and the film forming performance of the solution is poor are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the water-based epoxy resin for the anticorrosive paint comprises solid epoxy resin, pure water, an organic silicon defoamer, glycol, solvent oil and butanol, wherein the components in parts by weight are as follows:
30-50 parts of solid epoxy resin;
10-15 parts of pure water;
1-9 parts of an organic silicon defoaming agent;
1-3 parts of ethylene glycol;
10-30 parts of solvent oil;
3-8 parts of butanol.
The preparation method comprises the following specific steps:
s1 mixing: placing 30-50 parts of powdered epoxy resin, 10-15 parts of pure water, 1-9 parts of an organic silicon defoaming agent, 1-3 parts of ethylene glycol, 10-30 parts of solvent oil and 3-8 parts of butanol in a container, and then stirring the materials by a stirrer.
S2 heating: while stirring, the container was heated by a heating plate.
S3 cosolvent: the cosolvent is added to the interior of the vessel while heating and stirring.
S4 adding a catalyst: while heating and stirring, the catalyst was added to the interior of the vessel.
S5, cooling: the resin after stirring and heating was taken out from the inside of the vessel, and the resin was cooled by a fan.
Preferably, in the step S1, the rotation speed of the stirrer is 1450-3000 rpm.
Preferably, in the step S1, the stirring time is 20-40 min.
Preferably, in the step S2, the temperature for heating the container is 100-300 ℃.
Preferably, in the step S2, the heating time period is 10-30 min.
Preferably, in the step S3, 15 to 20 parts of cosolvent is added.
Preferably, in the step S4, 1015 parts of catalyst is added.
Preferably, in the step S5, the fan cooling time is 10-30 min.
The invention has the beneficial effects that:
after the solution formed, epoxy dispersion phase particle size was less in the solution, particle shape rule and size distribution are narrower, the solution stability of preparing is good, be difficult to collision each other between the particle, the phenomenon of condensing has been avoided taking place, and the film forming property of solution is good, design through the pure water, be convenient for with solid epoxy neutralization, design through the organosilicon antifoaming agent, can eliminate the foam at stirring in-process, design through ethylene glycol, can improve the activity on solution surface, design through solvent naphtha, the formation of the solution of being convenient for.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1:
the invention provides a water-based epoxy resin for an anticorrosive coating, which comprises solid epoxy resin, pure water, an organic silicon defoaming agent, ethylene glycol, solvent oil and butanol, wherein the water-based epoxy resin comprises the following components in parts by weight:
30 parts of solid epoxy resin;
10 parts of pure water;
1 part of organic silicon defoaming agent, wherein the defoaming agent is an auxiliary agent and has the function of eliminating foam formed by materials in the production process;
1 part of glycol, wherein the glycol is a catalyst and can improve the activity of the surface of the solution;
10 parts of solvent oil, which is convenient for forming a solution;
3 parts of butanol, which is a plasticizer.
The method comprises the following specific steps:
s1 mixing: 30 parts of powdery epoxy resin, 10 parts of pure water, 1 part of an organic silicon defoamer, 1 part of ethylene glycol, 10 parts of solvent oil and 3 parts of butanol are placed in a container, and then stirred by a stirrer, wherein the rotating speed of the stirrer is 1450 revolutions per minute, and the stirring time is 20 minutes.
S2 heating: while stirring, the container was heated by a heating plate at 100 ℃ for 10 min.
S3 cosolvent: while heating and stirring, a cosolvent in an amount of 15 parts was added to the interior of the vessel.
S4 adding a catalyst: while heating and stirring, 10 parts of a catalyst was added to the inside of the vessel.
S5, cooling: and taking out the stirred and heated resin from the container, and cooling the resin by a fan, wherein the cooling time of the fan is 10 min.
Example 2:
the invention provides a water-based epoxy resin for an anticorrosive coating, which comprises solid epoxy resin, pure water, an organic silicon defoaming agent, ethylene glycol, solvent oil and butanol, wherein the water-based epoxy resin comprises the following components in parts by weight:
35 parts of solid epoxy resin;
12 parts of pure water;
3 parts of an organic silicon defoaming agent, wherein the defoaming agent is an auxiliary agent and has the function of eliminating foams formed by materials in the production process;
2 parts of ethylene glycol, wherein the ethylene glycol is a catalyst and can improve the activity of the surface of the solution;
21 parts of solvent oil, which is convenient for forming a solution;
5 parts of butanol, which is a plasticizer.
The preparation method comprises the following specific steps:
s1 mixing: 35 parts of powdery epoxy resin, 12 parts of pure water, 3 parts of an organic silicon defoaming agent, 2 parts of ethylene glycol, 21 parts of solvent oil and 5 parts of butanol are placed in a container, and then the container is stirred by a stirrer, wherein the rotating speed of the stirrer is 1800 revolutions per minute, and the stirring time is 25 minutes.
S2 heating: while stirring, the container was heated by a heating plate at a temperature of 150 ℃.
S3 cosolvent: adding cosolvent into the container while heating and stirring for 15 min.
S4 adding a catalyst: while heating and stirring, the catalyst was charged into the vessel in an amount of 12 parts by weight.
S5, cooling: and taking the stirred and heated resin out of the container, and cooling the resin by a fan, wherein the cooling time of the fan is 15 min.
Example 3:
the invention provides a water-based epoxy resin for an anticorrosive coating, which comprises solid epoxy resin, pure water, an organic silicon defoaming agent, ethylene glycol, solvent oil and butanol, wherein the water-based epoxy resin comprises the following components in parts by weight:
40 parts of solid epoxy resin;
13 parts of pure water;
6 parts of an organic silicon defoaming agent, wherein the defoaming agent is an auxiliary agent and has the function of eliminating foams formed by materials in the production process;
2 parts of ethylene glycol, wherein the ethylene glycol is a catalyst and can improve the activity of the surface of the solution;
25 parts of solvent oil, which is convenient for forming a solution;
6 parts of butanol, which is a plasticizer.
The preparation method comprises the following specific steps:
s1 mixing: placing 40 parts of powdery epoxy resin, 13 parts of pure water, 6 parts of an organic silicon defoaming agent, 2 parts of ethylene glycol, 35 parts of solvent oil and 6 parts of butanol in a container, and stirring the mixture by a stirrer at the rotating speed of 2000 revolutions per minute for 30 minutes.
S2 heating: while stirring, the container was heated by a heating plate at a temperature of 250 ℃.
S3 cosolvent: adding cosolvent into the container while heating and stirring for 25 min.
S4 adding a catalyst: while heating and stirring, 13 parts of a catalyst was added to the inside of the vessel.
S5, cooling: and taking the stirred and heated resin out of the container, and cooling the resin by a fan, wherein the cooling time of the fan is 25 min.
Example 4:
the invention provides a water-based epoxy resin for an anticorrosive coating, which comprises solid epoxy resin, pure water, an organic silicon defoaming agent, ethylene glycol, solvent oil and butanol, wherein the water-based epoxy resin comprises the following components in parts by weight:
50 parts of solid epoxy resin;
15 parts of pure water;
9 parts of an organic silicon defoaming agent, wherein the defoaming agent is an auxiliary agent and has the function of eliminating foams formed by materials in the production process;
3 parts of ethylene glycol, wherein the ethylene glycol is a catalyst and can improve the activity of the surface of the solution;
30 parts of solvent oil, which is convenient for forming a solution;
8 parts of butanol, which is a plasticizer.
The preparation method comprises the following specific steps:
s1 mixing: 35 parts of powdery epoxy resin, 12 parts of pure water, 3 parts of an organic silicon defoaming agent, 2 parts of ethylene glycol, 21 parts of solvent oil and 5 parts of butanol are placed in a container, and then the container is stirred by a stirrer, wherein the rotating speed of the stirrer is 3000 revolutions per minute, and the stirring time is 40 minutes.
S2 heating: while stirring, the container was heated by a heating plate at a temperature of 300 ℃.
S3 cosolvent: adding cosolvent into the container while heating and stirring for 30 min.
S4 adding a catalyst: while heating and stirring, 15 parts of a catalyst was added to the inside of the vessel.
S5, cooling: and taking the stirred and heated resin out of the container, and cooling the resin by a fan, wherein the cooling time of the fan is 30 min.
Example 5:
taking the methods of the above examples 1-4, respectively, 40 times of epoxy resin was prepared in four containers with the same area, each 10 of the epoxy resin was divided into one group, and the film forming property of the solution was observed after molding to obtain the following data:
as can be seen from the above table, the method in example 4 is suitable, after the solution is formed, the size of the dispersed phase particles of the epoxy resin in the solution is small, the shape of the particles is regular, the size distribution is narrow, the prepared solution has good stability, the particles are not easy to collide with each other, the coagulation phenomenon is avoided, and the film forming performance of the solution is good.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (9)
1. A waterborne epoxy resin for anticorrosive paint is characterized in that: the paint comprises solid epoxy resin, pure water, an organic silicon defoaming agent, glycol, solvent oil and butanol, wherein the components in parts by weight are as follows:
30-50 parts of solid epoxy resin;
10-15 parts of pure water;
1-9 parts of an organic silicon defoaming agent;
1-3 parts of ethylene glycol;
10-30 parts of solvent oil;
3-8 parts of butanol.
2. The water-based epoxy resin for anticorrosive paint according to claim 1, characterized in that: the preparation method comprises the following specific steps:
s1 mixing: placing 30-50 parts of powdered epoxy resin, 10-15 parts of pure water, 1-9 parts of an organic silicon defoaming agent, 1-3 parts of ethylene glycol, 10-30 parts of solvent oil and 3-8 parts of butanol in a container, and then stirring the materials by a stirrer.
S2 heating: while stirring, the container was heated by a heating plate.
S3 cosolvent: the cosolvent is added to the interior of the vessel while heating and stirring.
S4 adding a catalyst: while heating and stirring, the catalyst was added to the interior of the vessel.
S5, cooling: the resin after stirring and heating was taken out from the inside of the vessel, and the resin was cooled by a fan.
3. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S1, the rotation speed of the stirrer is 1450-3000 rpm.
4. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S1, the stirring time is 20-40 min.
5. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S2, the temperature for heating the container is 100-300 ℃.
6. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S2, the heating time is 10-30 min.
7. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S3, 15-20 parts of cosolvent is added.
8. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S4, 10 to 15 parts of catalyst is added.
9. The water-based epoxy resin for anticorrosive paint according to claim 2, characterized in that: in the step S5, the fan cooling time is 10-30 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902253.3A CN111978823A (en) | 2020-08-31 | 2020-08-31 | Water-based epoxy resin for anticorrosive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902253.3A CN111978823A (en) | 2020-08-31 | 2020-08-31 | Water-based epoxy resin for anticorrosive paint |
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| Publication Number | Publication Date |
|---|---|
| CN111978823A true CN111978823A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010902253.3A Pending CN111978823A (en) | 2020-08-31 | 2020-08-31 | Water-based epoxy resin for anticorrosive paint |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013166850A (en) * | 2012-02-15 | 2013-08-29 | Dic Corp | Water soluble anticorrosive paint and corrosion prevention coating film |
| CN107880719A (en) * | 2017-11-24 | 2018-04-06 | 桂林市和鑫防水装饰材料有限公司 | Water corrosion-resistant epoxy paint |
| CN110304616A (en) * | 2019-07-02 | 2019-10-08 | 广州特种承压设备检测研究院 | Phosphoric acid Zinc material of cerium dopping and preparation method thereof, the anticorrosive paint comprising it |
-
2020
- 2020-08-31 CN CN202010902253.3A patent/CN111978823A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013166850A (en) * | 2012-02-15 | 2013-08-29 | Dic Corp | Water soluble anticorrosive paint and corrosion prevention coating film |
| CN107880719A (en) * | 2017-11-24 | 2018-04-06 | 桂林市和鑫防水装饰材料有限公司 | Water corrosion-resistant epoxy paint |
| CN110304616A (en) * | 2019-07-02 | 2019-10-08 | 广州特种承压设备检测研究院 | Phosphoric acid Zinc material of cerium dopping and preparation method thereof, the anticorrosive paint comprising it |
Non-Patent Citations (4)
| Title |
|---|
| MICHAELE.PERERSON等: "《小动物毒理学 第3版》", 31 October 2014, 中国农业大学出版社 * |
| SINGH, P等: "Anticorrosion and electromagnetic interference shielding behavior of candle soot-based epoxy coating", 《JOURNAL OF APPLIED POLYMER SCIENCE》 * |
| 商培等: "水性环氧树脂的研究与应用", 《中国涂料》 * |
| 朱洪法: "《实用化工辞典》", 31 December 2004, 金盾出版社 * |
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Application publication date: 20201124 |