CN111875997A - Microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of chromium coating layer - Google Patents
Microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of chromium coating layer Download PDFInfo
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- CN111875997A CN111875997A CN202010743180.8A CN202010743180A CN111875997A CN 111875997 A CN111875997 A CN 111875997A CN 202010743180 A CN202010743180 A CN 202010743180A CN 111875997 A CN111875997 A CN 111875997A
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- Prior art keywords
- limestone
- microgel
- agent
- corrosion resistance
- wear resistance
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Classifications
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
Abstract
The invention discloses a microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of a chromium coating, which comprises the following components in percentage by weight: 10-50% of tuff talcum powder, 10-50% of gray black silicon carbide, 5-40% of low molecular polymer, 5-20% of organic adhesive, 2-10% of penetrating agent, 5-20% of solubilizer, 5-30% of oiliness agent and the balance of water, wherein the particle size of the tuff talcum powder is 0.7-0.9 nm. The invention adopts the tuff talcum powder with small grain size, so that the microgel limestone can be soaked in the micropores of the coating, and the surface of the coating is effectively sealed. The friction coefficient of the chromium coating on the steel adopting the coating agent can reach 0.04 at minimum, the maximum neutral salt spray test can reach 1020 hours, and the service life of the surface of the chromium coating can be greatly prolonged.
Description
Technical Field
The invention relates to a microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of a chromium coating layer.
Background
The hydraulic rod, the feed screw, the tool, the die, the crystallizer copper mold, the special-shaped die and other related industrial parts are in dynamic state or do relative motion with other parts in the working process, the requirements on the wear resistance and the corrosion resistance of the surface of the part are high, the wear resistance and the corrosion resistance are generally improved by plating chromium on the surface of the part, and the wear resistance and the corrosion resistance of the surface of the part are easily influenced by micropores on the surface of the chromium plating layer.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a microgel limestone polymer hole sealing coating agent for improving the wear resistance and corrosion resistance of a chromium coating layer.
In order to solve the technical problems, the invention comprises the following components in percentage by weight: 10-50% of tuff talcum powder, 10-50% of gray black silicon carbide, 5-40% of low molecular polymer, 5-20% of organic adhesive, 2-10% of penetrating agent, 5-20% of solubilizer, 5-30% of oiliness agent and the balance of water, wherein the particle size of the tuff talcum powder is 0.7-0.9 nm.
Preferably, the tuff talcum powder is polar mineral talcum powder, and the particle size is 0.8 nm.
Preferably, the particle size of the gray black silicon carbide is 3000-10000 meshes.
Preferably, the low molecular polymer is one or more of polyethylene modified wax, low molecular weight polytetrafluoroethylene with molecular weight less than 3000 or polytetrafluoroethylene modified polyethylene wax.
Preferably, the organic binder is one or more of polyamic acid, polyvinyl alcohol, polyvinyl pyrrolidone, cellulose, starch, and titanate coupling agent.
Preferably, the penetrating agent is one or more of tributyl phosphate, fatty alcohol-polyoxyethylene ether and polyquaternium-2.
Preferably, the solubilizer is one or more of polyoxyethylene sorbitan fatty acid ester, isopropanol, long-chain alcohol and diethylene glycol butyl ether.
Preferably, the oiliness agent is one or more of sorbitan fatty acid ester, polyethylene glycol oleate and wool grease.
Preferably, the particle size of the limestone talcum powder is 0.8 nanometer, and the content is 10-25%; the particle size of the gray black silicon carbide is 3000-10000 meshes, and the content is 10 percent; the low molecular polymer is 15 percent of polytetrafluoroethylene modified polyethylene wax and 10 percent of low molecular polytetrafluoroethylene; the organic adhesive is 2% of polyamic acid, 2% of polyvinyl alcohol, 2% of titanate coupling agent and 2% of polyvinylpyrrolidone; the penetrating agent is 1% of tributyl phosphate, 2% of fatty alcohol-polyoxyethylene ether and 1% of polyquaternium-2; the solubilizer is 3 percent of polyoxyethylene sorbitan fatty acid ester, 10 percent of isopropanol, 2 percent of diethylene glycol butyl ether, 2 percent of sorbitan fatty acid ester, 8 percent of polyethylene glycol oleic acid ester and 1 percent of lanolin; the percentage contents are all weight percentage contents.
Preferably, the tuff talcum powder accounts for 25% by weight.
The invention has the beneficial effects that: the method adopts the tuff talcum powder with small particle size, and enables the microgel limestone to be soaked in micropores of a coating under the synergistic action of the grayish black silicon carbide, the low-molecular polymer, the organic adhesive, the penetrating agent, the solubilizer and the oiliness agent, so that the surface of the coating is effectively sealed. The minimum friction coefficient of the chromium coating layer on the steel adopting the coating agent can reach 0.04, the maximum neutral salt spray test can reach 1020 hours, the service life of the surface of the chromium coating layer can be greatly prolonged, and related parts such as a hydraulic rod, a feed screw, a tool, a die, a crystallizer copper die, an opposite sex die and the like applying the coating agent can provide the best performance in high corrosion and abrasion application.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The preparation method of the rod-shaped microgel limestone polymer hole sealing coating agent comprises the following steps:
the following table shows four examples of the microgel limestone polymer hole sealing coating agent for improving the wear resistance and corrosion resistance of the chromium coating layer, wherein the component contents are parts by weight.
In the above examples, all the contents are in weight percent.
The Tuff talcum powder is Micro-Tuff AG-609 with the grain diameter of 0.8 nm, and belongs to polar mineral talcum.
In the four examples, the gray-black silicon carbide particles with the sizes of 3000 meshes, 5000 meshes, 8000 meshes and 10000 meshes are used.
In four examples, the gray-black silicon carbide is black silicon carbide powder of Ziboziyang grinding technology ltd, with types of 3000#, 5000#, 8000#, and 10000 #.
The polytetrafluoroethylene modified polyethylene wax is PEW-0601, polyamide acid is PAA for short, polyvinylpyrrolidone is pvp for short, fatty alcohol polyoxyethylene ether is a penetrating agent JFC, polyoxyethylene sorbitan fatty acid ester is T20, and sorbitan fatty acid ester is S-80.
The low molecular weight polytetrafluoroethylene is polytetrafluoroethylene with a molecular weight of less than 3000, and is also called polytetrafluoroethylene micropowder.
The preparation method of the rod-shaped microgel limestone polymer hole sealing coating agent comprises the following steps:
firstly, uniformly dispersing the Micro-Tuff AG-609 polar mineral talcum powder and the abrasive particle gray black silicon carbide, and respectively adding the talcum powder and the abrasive particle gray black silicon carbide into a penetrating agent to obtain a first raw material.
And then uniformly dispersing the low molecular polymer, and respectively adding the raw material I and the solubilizer until the low molecular polymer is dispersed into an emulsion liquid.
Adding organic adhesive, oiliness agent and water into the mixture, and mixing uniformly.
Then pour into the mould in solidify the shaping, the mould chooses for use stainless steel material, the small-container tea bucket, the size: length 100 and diameter 120mm 50 mm.
Performance test of microgel limestone polymer hole sealing coating agent rod
Steel part chrome plating wipe coating micro-limestone polymer hole sealing coating agent
The steel part is a hydraulic piston rod with a standard diameter of 60mm, the thickness of the chromium coating is 3.5 microns, the surface friction coefficient of the chromium coating is 0.16, and a neutral salt spray test is carried out for 96 hours.
The coating method comprises the following steps:
heating the workpiece to 135-150 ℃, brushing or rubbing the rod-shaped microgel limestone polymer hole sealing coating agent on the workpiece to generate a chemical reaction, and crosslinking and bonding the polymer on the workpiece. And then, carrying out performance test on the workpiece, wherein the specific test parameters are as follows:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of a chromium coating layer is characterized by comprising the following components in parts by weight: comprises the following components in percentage by weight: 10-50% of tuff talcum powder, 10-50% of gray black silicon carbide, 5-40% of low molecular polymer, 5-20% of organic adhesive, 2-10% of penetrating agent, 5-20% of solubilizer, 5-30% of oiliness agent and the balance of water, wherein the particle size of the tuff talcum powder is 0.7-0.9 nm.
2. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the tuff talcum powder is polar mineral talcum powder and has a particle size of 0.8 nm.
3. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the particle size of the gray black silicon carbide is 3000-10000 meshes.
4. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the low molecular polymer is one or more of polyethylene modified wax, low molecular weight polytetrafluoroethylene with molecular weight less than 3000 or polytetrafluoroethylene modified polyethylene wax.
5. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the organic adhesive is one or more of polyamic acid, polyvinyl alcohol, polyvinyl pyrrolidone, cellulose, starch and titanate coupling agent.
6. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the penetrating agent is one or more of tributyl phosphate, fatty alcohol-polyoxyethylene ether and polyquaternium-2.
7. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the solubilizer is one or more of polyoxyethylene sorbitan fatty acid ester, isopropanol, long-chain alcohol and diethylene glycol butyl ether.
8. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the oiliness agent is one or more of sorbitan fatty acid ester, polyethylene glycol oleate and lanolin.
9. The microgel limestone polymer pore sealing coating agent for improving the wear resistance and the corrosion resistance of a chromium coating layer according to claim 1, wherein: the particle size of the limestone talcum powder is 0.8 nanometer, and the content is 10-25%;
the particle size of the gray black silicon carbide is 3000-10000 meshes, and the content is 10 percent;
the low molecular polymer is 15% of polytetrafluoroethylene modified polyethylene wax and 10% of low molecular weight polytetrafluoroethylene with the molecular weight less than 3000;
the organic adhesive is 2% of polyamic acid, 2% of polyvinyl alcohol, 2% of titanate coupling agent and 2% of polyvinylpyrrolidone;
the penetrating agent is 1% of tributyl phosphate, 2% of fatty alcohol-polyoxyethylene ether and 1% of polyquaternium-2;
the solubilizer is 3 percent of polyoxyethylene sorbitan fatty acid ester, 10 percent of isopropanol, 2 percent of diethylene glycol butyl ether, 2 percent of sorbitan fatty acid ester, 8 percent of polyethylene glycol oleate and 1 percent of lanolin;
the percentage contents are all weight percentage contents.
10. The microgel limestone polymer pore sealing coating agent for improving wear resistance and corrosion resistance of a chromium coating layer according to any one of claims 1 to 9, wherein: the tuff talcum powder accounts for 25% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743180.8A CN111875997A (en) | 2020-07-29 | 2020-07-29 | Microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of chromium coating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743180.8A CN111875997A (en) | 2020-07-29 | 2020-07-29 | Microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of chromium coating layer |
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| Publication Number | Publication Date |
|---|---|
| CN111875997A true CN111875997A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010743180.8A Pending CN111875997A (en) | 2020-07-29 | 2020-07-29 | Microgel limestone polymer hole sealing coating agent for improving wear resistance and corrosion resistance of chromium coating layer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446428A (en) * | 2017-08-02 | 2017-12-08 | 江西省电力设备总厂 | A kind of hole sealing agent that Fe base amorphous coatings are prepared for HVOF |
| CN109836904A (en) * | 2018-12-28 | 2019-06-04 | 重庆新久融科技有限公司 | Aluminum alloy mould plate and preparation method thereof with scratch resistance nano coating |
| CN110256922A (en) * | 2019-06-27 | 2019-09-20 | 安徽鼎旺环保材料科技有限公司 | Latex sealer and preparation method thereof |
| US20200224316A1 (en) * | 2017-10-09 | 2020-07-16 | GKN Aerospace Transparency Systems, Inc. | Hydrophobic coatings for metals incorporating anodic and rare-earth oxides and methods of applying same |
-
2020
- 2020-07-29 CN CN202010743180.8A patent/CN111875997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446428A (en) * | 2017-08-02 | 2017-12-08 | 江西省电力设备总厂 | A kind of hole sealing agent that Fe base amorphous coatings are prepared for HVOF |
| US20200224316A1 (en) * | 2017-10-09 | 2020-07-16 | GKN Aerospace Transparency Systems, Inc. | Hydrophobic coatings for metals incorporating anodic and rare-earth oxides and methods of applying same |
| CN109836904A (en) * | 2018-12-28 | 2019-06-04 | 重庆新久融科技有限公司 | Aluminum alloy mould plate and preparation method thereof with scratch resistance nano coating |
| CN110256922A (en) * | 2019-06-27 | 2019-09-20 | 安徽鼎旺环保材料科技有限公司 | Latex sealer and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王顺亭: "《树脂基复合材料：材料选择、模具制作、工艺设计》", 30 June 1997, 中国建材工业出版社 * |
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Application publication date: 20201103 |
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