CN113831842A - Automobile chassis protective agent and preparation method thereof - Google Patents
Automobile chassis protective agent and preparation method thereof Download PDFInfo
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- CN113831842A CN113831842A CN202111143658.4A CN202111143658A CN113831842A CN 113831842 A CN113831842 A CN 113831842A CN 202111143658 A CN202111143658 A CN 202111143658A CN 113831842 A CN113831842 A CN 113831842A
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- antirust agent
- automobile chassis
- montmorillonite
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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
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an automobile chassis protective agent and a preparation method thereof, wherein the automobile chassis protective agent comprises the following raw materials in parts by weight: 90-100 parts of paraffin; 20-30 parts of microcrystalline wax; 3-6 parts of polyethylene wax; 2-4 parts of modified montmorillonite; 6-8 parts of polyurethane acrylate resin; 2-3 parts of sulfonate type antirust agent, 1-2 parts of calcium salt type antirust agent, 2-3 parts of non-ionic type antirust agent and 3-4 parts of phenol antioxidant; the modified montmorillonite is obtained by modifying sodium-based montmorillonite with CTAB. The automobile chassis protective agent disclosed by the invention is good in stability, has good adhesive force with an automobile chassis, and has excellent high-low temperature adaptability, antirust performance and wear resistance.
Description
Technical Field
The invention belongs to the technical field of protective agents, and particularly relates to an automobile chassis protective agent and a preparation method thereof.
Background
Nowadays, in order to reduce the weight of the automobile body and save the cost, a plurality of automobile manufacturers thin the automobile chassis, and reduce the quality of the automobile chassis. Such a vehicle chassis may be able to meet the service life requirements of the vehicle in an ideal environment. However, in winter in northern areas, snow-melting agents with extremely strong corrosion, such as calcium chloride, sodium chloride and the like, are sprayed on roads after snow, which can cause fatal damage to automobile chassis, thereby greatly shortening the service life of vehicles. The problem of rust of the automobile chassis frequently occurs in winter in northern countries, and thus a protective agent is required to effectively protect the automobile chassis.
Disclosure of Invention
The invention aims to provide an automobile chassis protective agent and a preparation method thereof aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automobile chassis protective agent comprises the following raw materials in parts by weight: 90-100 parts of paraffin; 20-30 parts of microcrystalline wax; 3-6 parts of polyethylene wax; 2-4 parts of modified montmorillonite; 6-8 parts of polyurethane acrylate resin; 2-3 parts of sulfonate type antirust agent, 1-2 parts of calcium salt type antirust agent, 2-3 parts of non-ionic type antirust agent and 3-4 parts of phenol antioxidant; the modified montmorillonite is obtained by modifying sodium-based montmorillonite with CTAB (cetyl trimethyl ammonium bromide).
Preferably, the automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 25 parts of microcrystalline wax; 4 parts of polyethylene wax; 4 parts of modified montmorillonite; 6 parts of polyurethane acrylate resin; 3 parts of sulfonate type antirust agent, 2 parts of calcium salt type antirust agent, 3 parts of nonionic antirust agent and 4 parts of phenol antioxidant.
Preferably, the sulfonate type antirust agent is sodium petroleum sulfonate, the calcium salt type antirust agent is calcium petroleum sulfonate, and the nonionic type antirust agent is sorbitol monooleate; the phenolic antioxidant is 2, 6-di-tert-butyl-p-cresol.
Preferably, the preparation method of the modified montmorillonite comprises the following steps: ultrasonically dispersing sodium-based montmorillonite in deionized water, adjusting the pH value to 9-11 by adopting sodium carbonate, magnetically stirring for 1-2h, standing to obtain a montmorillonite suspension, heating to 70-80 ℃, slowly dropwise adding a CTAB solution, dropwise adding an assistant intercalation agent isopropanol, reacting for 2-3h, and then carrying out centrifugal separation, washing by using an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to CTAB to isopropanol is 10-15:2-3: 1-2.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 110 ℃ at 100 ℃, and reacting for 20-30min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 20-30min to obtain the automobile chassis protective agent.
The invention has the beneficial effects that:
1) the invention takes paraffin and microcrystalline wax as main raw materials, and polyethylene wax is added, because the invention has the characteristics of no toxicity, no corrosiveness, larger hardness, high softening point and low melt viscosity, and has good moisture resistance, chemical resistance, electrical property, wear resistance and heat resistance at normal temperature, good lubricity, dispersibility and fluidity, and good compatibility with paraffin, and can greatly improve the melting point of the automobile chassis protective agent, thereby improving the high temperature resistance of the automobile chassis protective agent.
2) The CTAB is intercalated into a montmorillonite crystal layer by an ion exchange method, so that the interlayer spacing is enlarged, the interface polarity and the chemical microenvironment of the montmorillonite are improved, the polarity between the layers is reduced, the hydrophilicity is changed into hydrophobicity, and the dispersion degree of the montmorillonite in paraffin is increased.
3) According to the invention, a certain amount of urethane acrylate resin is added, and because the structure of the urethane acrylate resin has hydroxyl and ether bonds with strong polarity, a strong interaction force can be generated between the protective agent and the automobile chassis, so that the adhesive force of the protective agent and the automobile chassis is improved; in addition, certain groups (-OH, -C = O and the like) in the polyurethane acrylate resin and-OH groups existing on the surface of a montmorillonite sheet layer can form certain physical crosslinking, so that the montmorillonite is better dispersed in the protective agent.
4) The antirust performance of the automobile chassis protective agent is greatly improved through the compounded antirust agents (sulfonate type antirust agents, calcium salt type antirust agents and nonionic type antirust agents).
5) The automobile chassis protective agent disclosed by the invention is good in stability, has good adhesive force with an automobile chassis, and has excellent high-low temperature adaptability and antirust performance.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.
Example 1
The automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 30 parts of microcrystalline wax; 4 parts of polyethylene wax; 4 parts of modified montmorillonite; 6 parts of polyurethane acrylate resin; 3 parts of a sulfonate type antirust agent, 2 parts of a calcium salt type antirust agent, 3 parts of a non-ionic type antirust agent and 4 parts of a phenol antioxidant, wherein the modified montmorillonite is obtained by modifying sodium montmorillonite by CTAB; wherein the sulfonate type antirust agent is petroleum sodium sulfonate, the calcium salt type antirust agent is petroleum calcium sulfonate, the non-ionic type antirust agent is sorbitol monooleate, and the phenolic antioxidant is 2, 6-di-tert-butyl-p-cresol.
In this embodiment, the preparation method of the modified montmorillonite comprises: ultrasonically dispersing 100mg of sodium-based montmorillonite in deionized water, adjusting the pH value to 11 by adopting sodium carbonate, magnetically stirring for 1.5h, standing to obtain montmorillonite suspension, heating to 75 ℃, slowly dropwise adding a CTAB solution, dropwise adding an intercalation assistant isopropanol, reacting for 3h, and performing centrifugal separation, washing with an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to the CTAB to the isopropanol is 10:2: 1.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 110 ℃, and reacting for 25min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 30min to obtain the automobile chassis protective agent.
Example 2
The automobile chassis protective agent comprises the following raw materials in parts by weight: 90 parts of paraffin; 28 parts of microcrystalline wax; 3 parts of polyethylene wax; 2 parts of modified montmorillonite; 8 parts of polyurethane acrylate resin; 2 parts of sulfonate type antirust agent, 1 part of calcium salt type antirust agent, 3 parts of nonionic antirust agent and 3 parts of phenol antioxidant, wherein the modified montmorillonite is obtained by modifying sodium montmorillonite with CTAB; wherein the sulfonate type antirust agent is petroleum sodium sulfonate, the calcium salt type antirust agent is petroleum calcium sulfonate, the non-ionic type antirust agent is sorbitol monooleate, and the phenolic antioxidant is 2, 6-di-tert-butyl-p-cresol.
In this embodiment, the preparation method of the modified montmorillonite comprises: ultrasonically dispersing 100mg of sodium-based montmorillonite in deionized water, adjusting the pH value to 11 by adopting sodium carbonate, magnetically stirring for 1.5h, standing to obtain montmorillonite suspension, heating to 75 ℃, slowly dropwise adding a CTAB solution, dropwise adding an intercalation assistant isopropanol, reacting for 3h, and performing centrifugal separation, washing with an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to the CTAB to the isopropanol is 10:2: 1.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 100 ℃, and reacting for 30min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 30min to obtain the automobile chassis protective agent.
Example 3
The automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 20 parts of microcrystalline wax; 6 parts of polyethylene wax; 4 parts of modified montmorillonite; 8 parts of polyurethane acrylate resin; 2 parts of sulfonate type antirust agent, 2 parts of calcium salt type antirust agent, 2 parts of nonionic antirust agent and 4 parts of phenol antioxidant, wherein the modified montmorillonite is obtained by modifying sodium montmorillonite with CTAB; wherein the sulfonate type antirust agent is petroleum sodium sulfonate, the calcium salt type antirust agent is petroleum calcium sulfonate, the non-ionic type antirust agent is sorbitol monooleate, and the phenolic antioxidant is 2, 6-di-tert-butyl-p-cresol.
In this embodiment, the preparation method of the modified montmorillonite comprises: ultrasonically dispersing 100mg of sodium-based montmorillonite in deionized water, adjusting the pH value to 11 by adopting sodium carbonate, magnetically stirring for 1.5h, standing to obtain montmorillonite suspension, heating to 75 ℃, slowly dropwise adding a CTAB solution, dropwise adding an intercalation assistant isopropanol, reacting for 3h, and performing centrifugal separation, washing with an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to the CTAB to the isopropanol is 10:2: 1.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 105 ℃, and reacting for 25min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 25min to obtain the automobile chassis protective agent.
Comparative example 1
The automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 30 parts of microcrystalline wax; 4 parts of polyethylene wax; 4 parts of sodium montmorillonite; 6 parts of polyurethane acrylate resin; 3 parts of sulfonate type antirust agent, 2 parts of calcium salt type antirust agent, 3 parts of nonionic antirust agent and 4 parts of phenol antioxidant, wherein the sulfonate type antirust agent is sodium petroleum sulfonate, the calcium salt type antirust agent is calcium petroleum sulfonate, the nonionic antirust agent is sorbitol monooleate, and the phenol antioxidant is 2, 6-di-tert-butyl-p-cresol.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 110 ℃, and reacting for 25min to obtain a mixture A; and then adding sodium montmorillonite for ultrasonic treatment for 30min to obtain the automobile chassis protective agent.
Comparative example 2
The automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 30 parts of microcrystalline wax; 4 parts of polyethylene wax; 4 parts of modified montmorillonite; 3 parts of a sulfonate type antirust agent, 2 parts of a calcium salt type antirust agent, 3 parts of a nonionic type antirust agent and 4 parts of a phenol antioxidant, wherein the modified montmorillonite is obtained by modifying sodium montmorillonite by CTAB, the sulfonate type antirust agent is sodium petroleum sulfonate, the calcium salt type antirust agent is calcium petroleum sulfonate, the nonionic type antirust agent is sorbitol monooleate, and the phenol antioxidant is 2, 6-di-tert-butyl-p-cresol.
In this embodiment, the preparation method of the modified montmorillonite comprises: ultrasonically dispersing 100mg of sodium-based montmorillonite in deionized water, adjusting the pH value to 11 by adopting sodium carbonate, magnetically stirring for 1.5h, standing to obtain montmorillonite suspension, heating to 75 ℃, slowly dropwise adding a CTAB solution, dropwise adding an intercalation assistant isopropanol, reacting for 3h, and performing centrifugal separation, washing with an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to the CTAB to the isopropanol is 10:2: 1.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, sulfonate type antirust agent, calcium salt type antirust agent, nonionic type antirust agent and phenol antioxidant according to the proportion, heating to 110 ℃, and reacting for 25min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 30min to obtain the automobile chassis protective agent.
Comparative example 3
The automobile chassis protective agent comprises the following raw materials in parts by weight: 100 parts of paraffin; 30 parts of microcrystalline wax; 4 parts of modified montmorillonite; 6 parts of polyurethane acrylate resin; 3 parts of a sulfonate type antirust agent, 2 parts of a calcium salt type antirust agent, 3 parts of a non-ionic type antirust agent and 4 parts of a phenol antioxidant, wherein the modified montmorillonite is obtained by modifying sodium montmorillonite by CTAB.
In this embodiment, the preparation method of the modified montmorillonite comprises: ultrasonically dispersing 100mg of sodium-based montmorillonite in deionized water, adjusting the pH value to 11 by adopting sodium carbonate, magnetically stirring for 1.5h, standing to obtain montmorillonite suspension, heating to 75 ℃, slowly dropwise adding a CTAB solution, dropwise adding an intercalation assistant isopropanol, reacting for 3h, and performing centrifugal separation, washing with an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to the CTAB to the isopropanol is 10:2: 1.
The preparation method of the automobile chassis protective agent comprises the following steps: weighing paraffin, microcrystalline wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenol antioxidant according to a ratio, heating to 110 ℃, and reacting for 25min to obtain a mixture A; and then adding the modified montmorillonite for ultrasonic treatment for 30min to obtain the automobile chassis protective agent.
And (3) performance testing: 1. melting point/. degree.C. (cf. GB/T4929-1985), 2, creep at high temperature (cf. Q/CAYJS-23-1997) 3, stability at low temperature (cf. Q/CAYJS-23-1997), 4, resistance to stone impact (cf. Q/CAYJS-23-1997), 5, salt spray test (cf. SH/T0081-1998).
Table 1 shows the data of the performance tests of the automobile chassis protectors of examples 1-2 and comparative examples 1-3
As can be seen from Table 1, the performances of examples 1-2 are superior to those of comparative examples 1-3, and in terms of high-temperature creep performance, because polyethylene wax is not added in comparative example 3, the high-temperature performance of the protective agent prepared by the protective agent is greatly reduced, the higher the creep is, the thinner the lubricating grease film thickness is, the more easily rusty and corroded, and therefore in the subsequent salt spray test, even if modified montmorillonite and polyurethane acrylate resin are added, the grade is only B; on the stone-impact resistance and salt-spray tests, the comparative example 1 only adds the polyurethane acrylate resin and the unmodified montmorillonite, although the adhesive force between the protective agent and the automobile chassis can be improved, the unmodified montmorillonite can not be uniformly dispersed in the protective agent, the agglomeration phenomenon is generated, the aggregation of the lamellar structure with large diameter-thickness ratio causes the stone-impact resistance and the antirust performance to be greatly reduced, the phenomenon of large-area peeling occurs, and the salt-spray tests are not qualified; although comparative example 2 added modified montmorillonite, which had a limited degree of dispersion in paraffin wax, exhibited partial agglomeration, resulting in partial cracking of the protectant, example 1 was prepared by adding urethane acrylate resin and modified montmorillonite simultaneously, certain groups (-OH, -C = O, and the like) contained in the protective agent and-OH groups existing on the surface of a montmorillonite sheet layer can form certain physical crosslinking, so that the montmorillonite is better dispersed in the protective agent, and hydroxyl and ether bonds with stronger polarity, the protective agent can generate stronger interaction force between the protective agent and an automobile chassis, the adhesive force between the protective agent and the automobile chassis is improved, the protective agent is enhanced according to the extremely large diameter-thickness ratio and the large specific surface area of the montmorillonite sheet layer, and the stone impact resistance and the antirust performance of the protective agent are greatly improved through the synergistic effect of the protective agent and the montmorillonite sheet layer.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (6)
1. An automobile chassis protective agent is characterized in that: the weight parts of the raw materials are as follows: 90-100 parts of paraffin; 20-30 parts of microcrystalline wax; 3-6 parts of polyethylene wax; 2-4 parts of modified montmorillonite; 6-8 parts of polyurethane acrylate resin; 2-3 parts of sulfonate type antirust agent, 1-2 parts of calcium salt type antirust agent, 2-3 parts of non-ionic type antirust agent and 3-4 parts of phenol antioxidant; the modified montmorillonite is obtained by modifying sodium-based montmorillonite with CTAB.
2. The automobile chassis protectant according to claim 1, wherein: the weight parts of the raw materials are as follows: 100 parts of paraffin; 25 parts of microcrystalline wax; 4 parts of polyethylene wax; 4 parts of modified montmorillonite; 6 parts of polyurethane acrylate resin; 3 parts of sulfonate type antirust agent, 2 parts of calcium salt type antirust agent, 3 parts of nonionic antirust agent and 4 parts of phenol antioxidant; the modified montmorillonite is obtained by modifying sodium-based montmorillonite with CTAB.
3. The automobile chassis protectant according to claim 1, wherein: the sulfonate type antirust agent is petroleum sodium sulfonate, the calcium salt type antirust agent is petroleum calcium sulfonate, and the nonionic type antirust agent is sorbitol monooleate.
4. The automobile chassis protectant according to claim 1, wherein: the phenolic antioxidant is 2, 6-di-tert-butyl-p-cresol.
5. The automobile chassis protectant according to claim 1, wherein: the preparation method of the modified montmorillonite comprises the following steps: ultrasonically dispersing sodium-based montmorillonite in deionized water, adjusting the pH value to 9-11 by adopting sodium carbonate, magnetically stirring for 1-2h, standing to obtain a montmorillonite suspension, heating to 70-80 ℃, slowly dropwise adding a CTAB solution, dropwise adding an assistant intercalation agent isopropanol, reacting for 2-3h, and then carrying out centrifugal separation, washing by using an ethanol solution, drying and grinding to obtain modified montmorillonite; the mass ratio of the sodium-based montmorillonite to CTAB to isopropanol is 10-15:2-3: 1-2.
6. A method for preparing the automobile chassis protective agent according to any one of claims 1 to 5, wherein: the method comprises the following steps: weighing paraffin, microcrystalline wax, polyethylene wax, polyurethane acrylate resin, a sulfonate type antirust agent, a calcium salt type antirust agent, a non-ionic type antirust agent and a phenolic antioxidant according to a ratio, heating to the temperature of 100-; and then adding the modified montmorillonite for ultrasonic treatment for 20-30min to obtain the automobile chassis protective agent.
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| CN104087141A (en) * | 2014-06-27 | 2014-10-08 | 国家电网公司 | Method for preparing organic montmorillonite/polyurethane self-repair coating |
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| US7594962B2 (en) * | 2003-01-17 | 2009-09-29 | Ciba Specialty Chemicals Corporation | Process for the production of porous inorganic materials or a matrix material containing nanoparticles |
| CN107267042A (en) * | 2017-08-03 | 2017-10-20 | 安徽新智电力科技有限公司 | A kind of antirust paint for power equipment |
| CN109486328A (en) * | 2018-10-23 | 2019-03-19 | 杭州方周科技有限公司 | A kind of aqueous automobile chassis paint and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057206A (en) * | 2013-01-24 | 2013-04-24 | 戴亚洲 | Super wearproof ceramal coating scraper and manufacturing method thereof |
| CN104087141A (en) * | 2014-06-27 | 2014-10-08 | 国家电网公司 | Method for preparing organic montmorillonite/polyurethane self-repair coating |
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