CN113308159A - Water-based rusty antirust paint - Google Patents
Water-based rusty antirust paint Download PDFInfo
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- CN113308159A CN113308159A CN202110653335.3A CN202110653335A CN113308159A CN 113308159 A CN113308159 A CN 113308159A CN 202110653335 A CN202110653335 A CN 202110653335A CN 113308159 A CN113308159 A CN 113308159A
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- tea polyphenol
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
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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 rusted antirust paint which comprises the following raw materials in parts by weight: 30-45 parts of modified acrylate copolymer emulsion, 35-40 parts of deionized water, 0.1-0.3 part of nano silver chloride, 3-5 parts of antirust pigment, 5-8 parts of rust converting agent, 0.3-0.5 part of dispersing agent, 0.2-0.4 part of flatting agent, 1-3 parts of defoaming agent and 0.1-0.3 part of thickening agent; wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the phosphoric acid to the tannic acid to the tea polyphenol is 1:1: 0.2. Compared with the prior art, the coating prepared by the technical scheme provided by the invention has a good antirust effect, does not contain an organic solvent, is environment-friendly and pollution-free, and has good adhesion.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based rust-bearing antirust coating.
Background
To protect steel from corrosion and to extend its service life, corrosion-resistant coating of steel is the most economical and effective method. The rusty paint can be directly constructed on a certain rusty metal surface and has an anti-corrosion effect, surface treatment procedures such as rust removal, oil removal, water removal and the like can be omitted, a painting process can be simplified in a certain corrosion, the labor intensity is reduced, and the rusty paint has wide audiences due to the convenience in use.
The rust-carrying antirust coatings which are most used on the market at present mostly adopt a compound based on phosphoric acid and tannic acid as a conversion agent. However, the rust layer after conversion is difficult to adhere to the metal layer passivated by phosphoric acid, so that the paint adhesion effect is poor, and the anticorrosion effect is quick to lose effectiveness.
Disclosure of Invention
The invention aims to provide a water-based rust-bearing antirust coating aiming at overcoming the defects of the prior art and improving the adhesion effect and the anticorrosion effect of the coating.
In order to achieve the purpose, the invention adopts the technical scheme that: the water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 30-45 parts of modified acrylate copolymer emulsion, 35-40 parts of deionized water, 0.1-0.3 part of nano silver chloride, 3-5 parts of antirust pigment, 5-8 parts of rust converting agent, 0.3-0.5 part of dispersing agent, 0.2-0.4 part of flatting agent, 1-3 parts of defoaming agent and 0.1-0.3 part of thickening agent;
wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the phosphoric acid to the tannic acid to the tea polyphenol is 1:1: 0.2.
Further, the tea polyphenol is water-based modified tea polyphenol.
Further, the preparation method of the aqueous modified tea polyphenol comprises the following steps:
the tea polyphenol is prepared by performing Mannich reaction on tea polyphenol, acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005.
Further, the leveling agent is polyacrylate.
Further, the defoaming agent is tributyl phosphate.
Further, the thickener is any one of polyacrylate, hydroxymethyl cellulose, alginate and agar.
Further, the raw materials are as follows according to the weight portion: 30 parts of modified acrylate copolymer emulsion, 35 parts of deionized water, 0.5 part of nano silver chloride, 3 parts of anti-rust pigment, 5 parts of rust converting agent, 0.3 part of dispersing agent, 0.2 part of flatting agent, 1 part of defoaming agent and 0.1 part of thickening agent.
Further, the raw materials are as follows according to the weight portion: 40 parts of modified acrylate copolymer emulsion, 38 parts of deionized water, 0.65 part of nano silver chloride, 4 parts of anti-rust pigment, 7 parts of rust converting agent, 0.4 part of dispersing agent, 0.3 part of flatting agent, 2 parts of defoaming agent and 0.2 part of thickening agent.
Further, the raw materials are as follows according to the weight portion: 45 parts of modified acrylate copolymer emulsion, 40 parts of deionized water, 0.8 part of nano silver chloride, 5 parts of anti-rust pigment, 8 parts of rust converting agent, 0.5 part of dispersing agent, 0.4 part of flatting agent, 3 parts of defoaming agent and 0.3 part of thickening agent.
The invention has the beneficial effects that:
compared with the prior art, the coating prepared by the technical scheme provided by the invention has a good antirust effect, does not contain an organic solvent, and is environment-friendly and pollution-free; the main component of the added tea polyphenol, namely gallocatechin gallate (EGCG), provides a large number of phenolic hydroxyl groups, the modified tea polyphenol can play a role in curing, and the phenolic hydroxyl groups can be well chelated with Fe2+ and Fe3+ to form a very stable insoluble complex which is attached to the metal surface, so that the antirust effect is achieved, the rust conversion time is shortened, and the rust conversion capability is excellent; in addition, the nano silver chloride is added, chloride ions can activate metal passivated by phosphoric acid, and the silver ions have stable properties and cannot influence the properties of the coating.
Detailed Description
The technical solution will be clearly and completely described below with reference to some embodiments of the present invention.
Example 1
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 30 parts of modified acrylate copolymer emulsion, 35 parts of deionized water, 0.1 part of nano silver chloride, 3 parts of anti-rust pigment, 5 parts of rust converting agent, 0.3 part of dispersing agent, 0.2 part of flatting agent, 1 part of defoaming agent and 0.1 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is polyacrylate.
Example 2
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 32 parts of modified acrylate copolymer emulsion, 37 parts of deionized water, 0.15 part of nano silver chloride, 3.2 parts of anti-rust pigment, 5.5 parts of rust converting agent, 0.32 part of dispersing agent, 0.24 part of flatting agent, 1.2 parts of defoaming agent and 0.12 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is hydroxymethyl cellulose.
Example 3
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 33 parts of modified acrylate copolymer emulsion, 38 parts of deionized water, 0.17 part of nano silver chloride, 3.5 parts of antirust pigment, 5.7 parts of rust converting agent, 0.35 part of dispersing agent, 0.25 part of flatting agent, 1.5 parts of defoaming agent and 0.15 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is polyacrylate.
Example 4
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 35 parts of modified acrylate copolymer emulsion, 38.5 parts of deionized water, 0.2 part of nano silver chloride, 4 parts of antirust pigment, 6.5 parts of rust converting agent, 0.4 part of dispersing agent, 0.3 part of flatting agent, 2 parts of defoaming agent and 0.2 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is alginate.
Example 5
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 38 parts of modified acrylate copolymer emulsion, 39 parts of deionized water, 0.22 part of nano silver chloride, 4.2 parts of antirust pigment, 6.8 parts of rust converting agent, 0.42 part of dispersing agent, 0.32 part of flatting agent, 2.2 parts of defoaming agent and 0.22 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is agar.
Example 6
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 40 parts of modified acrylate copolymer emulsion, 39.2 parts of deionized water, 0.25 part of nano silver chloride, 4.2 parts of antirust pigment, 6.8 parts of rust converting agent, 0.42 part of dispersing agent, 0.32 part of flatting agent, 2.2 parts of defoaming agent and 0.25 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is polyacrylate.
Example 7
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 42 parts of modified acrylate copolymer emulsion, 39.5 parts of deionized water, 0.28 part of nano silver chloride, 4.5 parts of antirust pigment, 7.5 parts of rust converting agent, 0.45 part of dispersing agent, 0.35 part of flatting agent, 2.5 parts of defoaming agent and 0.28 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is tributyl phosphate; the thickening agent is agar.
Example 8
The water-based rust-bearing antirust paint comprises the following raw materials in parts by weight: 45 parts of modified acrylate copolymer emulsion, 40 parts of deionized water, 0.8 part of nano silver chloride, 5 parts of anti-rust pigment, 8 parts of rust converting agent, 0.5 part of dispersing agent, 0.4 part of flatting agent, 3 parts of defoaming agent and 0.3 part of thickening agent.
Wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the substances is 1:1: 0.2; the tea polyphenol is water-based modified tea polyphenol, and the preparation method comprises the following steps: the tea polyphenol is prepared by performing Mannich reaction on acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005; the leveling agent is polyacrylate; the defoaming agent is hydroxymethyl cellulose.
Comparative example 1
According to the formula of the example 1, the nano silver chloride is removed, and the proportion of other components is unchanged, so that the coating is prepared.
Comparative example 2
Any medium-cost water-based paint available on the market.
The water-based rust inhibitive coatings prepared according to example 1, comparative example 1, and comparative example 2 were used and examined, and the results were as follows:
comparing the data, the performances of the water-based rust-bearing antirust coating provided by the invention are superior to those of the existing water-based rust-bearing antirust coating in the market, the water-based rust-bearing antirust coating has stronger adhesion, and the added nano silver chloride plays an important role.
While the foregoing is directed to several preferred embodiments of the aqueous rust inhibitive coating disclosed herein, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The water-based rust-bearing antirust coating is characterized by comprising the following raw materials in parts by weight: 30-45 parts of modified acrylate copolymer emulsion, 35-40 parts of deionized water, 0.1-0.3 part of nano silver chloride, 3-5 parts of antirust pigment, 5-8 parts of rust converting agent, 0.3-0.5 part of dispersing agent, 0.2-0.4 part of flatting agent, 1-3 parts of defoaming agent and 0.1-0.3 part of thickening agent;
wherein the rust converting agent is a mixture of phosphoric acid, tannic acid and tea polyphenol, and the ratio of the phosphoric acid to the tannic acid to the tea polyphenol is 1:1: 0.2.
2. The aqueous rust inhibitive coating material according to claim 1, characterized in that: the tea polyphenol is water-based modified tea polyphenol.
3. The aqueous rust inhibitive coating material according to claim 2, characterized in that: the preparation method of the water-based modified tea polyphenol comprises the following steps:
the tea polyphenol is prepared by performing Mannich reaction on tea polyphenol, acetaldehyde and dimethylamine, wherein the tea polyphenol is CP 2005.
4. The aqueous rust inhibitive coating material according to claim 1, characterized in that: the leveling agent is polyacrylate.
5. The aqueous rust inhibitive coating material according to claim 1, characterized in that: the defoaming agent is tributyl phosphate.
6. The aqueous rust inhibitive coating material according to claim 1, characterized in that: the thickening agent is any one of polyacrylate, hydroxymethyl cellulose, alginate and agar.
7. The water-based rust-bearing antirust paint as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 30 parts of modified acrylate copolymer emulsion, 35 parts of deionized water, 0.5 part of nano silver chloride, 3 parts of anti-rust pigment, 5 parts of rust converting agent, 0.3 part of dispersing agent, 0.2 part of flatting agent, 1 part of defoaming agent and 0.1 part of thickening agent.
8. The water-based rust-bearing antirust paint as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 40 parts of modified acrylate copolymer emulsion, 38 parts of deionized water, 0.65 part of nano silver chloride, 4 parts of anti-rust pigment, 7 parts of rust converting agent, 0.4 part of dispersing agent, 0.3 part of flatting agent, 2 parts of defoaming agent and 0.2 part of thickening agent.
9. The water-based rust-bearing antirust paint as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 45 parts of modified acrylate copolymer emulsion, 40 parts of deionized water, 0.8 part of nano silver chloride, 5 parts of anti-rust pigment, 8 parts of rust converting agent, 0.5 part of dispersing agent, 0.4 part of flatting agent, 3 parts of defoaming agent and 0.3 part of thickening agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653335.3A CN113308159A (en) | 2021-06-11 | 2021-06-11 | Water-based rusty antirust paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110653335.3A CN113308159A (en) | 2021-06-11 | 2021-06-11 | Water-based rusty antirust paint |
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| CN113308159A true CN113308159A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110653335.3A Withdrawn CN113308159A (en) | 2021-06-11 | 2021-06-11 | Water-based rusty antirust paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445046A (en) * | 2023-02-17 | 2023-07-18 | 中国科学院长春应用化学研究所 | Water-based rust polyaniline conversion type anti-corrosion primer and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638541A (en) * | 2008-07-31 | 2010-02-03 | 上海奇想青晨化工科技股份有限公司 | Waterborne rusted paint and preparation method thereof |
| WO2010013909A2 (en) * | 2008-07-29 | 2010-02-04 | Kim Jong Sik | Anti-rust agent composition |
| CN103897510A (en) * | 2014-04-22 | 2014-07-02 | 西南大学 | Waterborne residual rust antirust coating and preparation method thereof |
| CN104561977A (en) * | 2015-01-29 | 2015-04-29 | 贵州电网公司输电运行检修分公司 | Rust treatment solution applicable to high-humidity region and preparation method of rust treatment solution |
| CN109943197A (en) * | 2019-04-08 | 2019-06-28 | 沈阳顺风实业集团有限公司 | A kind of water-based antirusting paint operable with rust and preparation method thereof |
| CN112300702A (en) * | 2020-11-10 | 2021-02-02 | 烟台大学 | Rusty protective coating with rust conversion function and preparation method thereof |
-
2021
- 2021-06-11 CN CN202110653335.3A patent/CN113308159A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010013909A2 (en) * | 2008-07-29 | 2010-02-04 | Kim Jong Sik | Anti-rust agent composition |
| CN101638541A (en) * | 2008-07-31 | 2010-02-03 | 上海奇想青晨化工科技股份有限公司 | Waterborne rusted paint and preparation method thereof |
| CN103897510A (en) * | 2014-04-22 | 2014-07-02 | 西南大学 | Waterborne residual rust antirust coating and preparation method thereof |
| CN104561977A (en) * | 2015-01-29 | 2015-04-29 | 贵州电网公司输电运行检修分公司 | Rust treatment solution applicable to high-humidity region and preparation method of rust treatment solution |
| CN109943197A (en) * | 2019-04-08 | 2019-06-28 | 沈阳顺风实业集团有限公司 | A kind of water-based antirusting paint operable with rust and preparation method thereof |
| CN112300702A (en) * | 2020-11-10 | 2021-02-02 | 烟台大学 | Rusty protective coating with rust conversion function and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445046A (en) * | 2023-02-17 | 2023-07-18 | 中国科学院长春应用化学研究所 | Water-based rust polyaniline conversion type anti-corrosion primer and preparation method thereof |
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