CN112608666A - Production process of oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for oil field - Google Patents
Production process of oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for oil field Download PDFInfo
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- CN112608666A CN112608666A CN202011390597.7A CN202011390597A CN112608666A CN 112608666 A CN112608666 A CN 112608666A CN 202011390597 A CN202011390597 A CN 202011390597A CN 112608666 A CN112608666 A CN 112608666A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
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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
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a production process of an oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for an oil field, which comprises the following steps: weighing raw materials: weighing 29-31 parts of modified polyurethane resin, 29-31 parts of modified acrylic resin, 4-6 parts of polytetrafluoroethylene resin, 2-4 parts of graphite micropowder, 2-4 parts of functional auxiliary agent, 1-3 parts of additive and 56-58 parts of deionized water. The oil-resistant and corrosion-resistant sealing ring coating which is formed by grinding and dispersing is sprayed on a workpiece and baked into a film at 180 ℃ for 20 minutes. The coating is specially developed for rubber sealing elements in the petrochemical industry, and the sealing elements used in oil-resistant, wear-resistant and pressure-resistant environments can be used. Such as drilling platforms, oil wells, seals for chemical connecting pipes, etc., are well suited for use.
Description
Technical Field
The invention relates to the technical field of sealing ring coatings, in particular to a production process of an oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for an oil field.
Background
The NBR nitrile rubber seal ring is suitable for being used in media such as petroleum hydraulic oil, glycol hydraulic oil, diester lubricating oil, gasoline, water, silicon lubricating grease, silicon oil and the like. The rubber sealing element has the widest application and the lowest cost. Are not suitable among polar solvents, such as ketones, ozone, nitrohydrocarbons, MEK and chloroform. The temperature range of-40-120 ℃ is generally used.
At present, all sealing rings used for well drilling of oil field wells are products in France or Italy, and the main rubber material is hydrogenated butadiene-acrylonitrile rubber. The sealing ring is required to be replaced once in 3 months, and the sealing ring produced by domestic manufacturers can only be used for 15 days even if the best rubber formula and structural design are selected. According to the special requirements, a united manufacturer carries out a deep research and development and develops a solution, namely the requirement of 3 months on the service time can be met by spraying a layer of Teflon composite coating on the existing rubber sealing ring, and the price is only half of that of foreign countries.
Disclosure of Invention
The invention aims to provide a production process of an oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for an oil field, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a production process of an oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for an oil field, which comprises the following steps:
step one, preparing modified polyurethane resin: adding polyurethane resin into an acetone solvent, then adding modified flaky mica powder, then adding pentaerythritol polyether tetrol, and stirring at the rotating speed of 80-90 ℃ and 100-200r/min for 10-20min to obtain modified polyurethane resin;
step two, preparing modified acrylic resin: adding acrylic resin into the graphene solution, then carrying out ultrasonic dispersion for 10-20min at the ultrasonic power of 100-200W, and washing after the ultrasonic treatment to obtain modified acrylic resin;
step three, weighing the raw materials: weighing 29-31 parts of modified polyurethane resin, 29-31 parts of modified acrylic resin, 4-6 parts of polytetrafluoroethylene resin, 2-4 parts of graphite micropowder, 2-4 parts of functional auxiliary agent, 1-3 parts of additive and 56-58 parts of deionized water;
step four, preparing a coating: and sequentially adding the raw materials in the third step into a stirring tank for stirring treatment, wherein the stirring speed is 100-500r/min, the stirring time is 20-30min, then spraying the raw materials onto a sealing ring, and baking the sealing ring at 180 ℃ to form a film for 20min to obtain the corrosion-resistant sealing ring coating.
Preferably, the modified flaky mica powder is subjected to modification treatment by a silane coupling agent; the graphene solution is composed of graphene, sodium allylsulfonate and deionized water according to a weight ratio of 5:2: 1.
Preferably, the particle size of the graphite micro powder is 1-10 um.
Preferably, the particle size of the graphite micro powder is 5.5 um.
Preferably, the preparation method of the functional auxiliary agent comprises the following steps: adding shell powder, phytic acid and maleic anhydride into an ethanol solvent together, adding polycarbonate dihydric alcohol, stirring at the rotating speed of 100-200r/min for 20-30min, adding wollastonite powder and diatomite powder, introducing alternating current into the mixture to treat for 12-14min, filtering, transferring the mixture into a ball mill to perform ball milling treatment, and finally performing vacuum drying at the temperature of 50-54 ℃ for 10-14h to obtain the functional auxiliary agent.
Preferably, the frequency of the alternating current is 81-85Hz, and the density is 101-2。
Preferably, the alternating current has a frequency of 83Hz and a density of 102A/m2。
Preferably, the rotation speed of the ball milling treatment in the ball mill is 500-900r/min, the ball milling temperature is 80-84 ℃, and the ball milling time is 10-20 min.
Preferably, the additive is any one of sodium citrate, oleic acid and sodium carboxymethyl cellulose.
Compared with the prior art, the invention has the following beneficial effects:
the oil-resistant and corrosion-resistant sealing ring coating which is formed by grinding and dispersing is sprayed on a workpiece and baked into a film at 180 ℃ for 20 minutes. The coating is specially developed for rubber sealing elements in the petrochemical industry, and the sealing elements used in oil-resistant, wear-resistant and pressure-resistant environments can be used. Such as drilling platforms, oil wells, seals for chemical connecting pipes, etc., are well suited for use.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, 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.
Example 1:
the production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field comprises the following steps:
step one, preparing modified polyurethane resin: adding polyurethane resin into an acetone solvent, then adding modified flaky mica powder, then adding pentaerythritol polyether tetrol, and stirring at the rotating speed of 100r/min at 80 ℃ for 10min to obtain modified polyurethane resin;
step two, preparing modified acrylic resin: adding acrylic resin into the graphene solution, then carrying out ultrasonic dispersion for 10min, wherein the ultrasonic power is 100W, and carrying out water washing after the ultrasonic treatment to obtain modified acrylic resin;
step three, weighing the raw materials: weighing 29 parts of modified polyurethane resin, 29 parts of modified acrylic resin, 4 parts of polytetrafluoroethylene resin, 2 parts of graphite micropowder, 2 parts of functional auxiliary agent, 1 part of additive and 56 parts of deionized water;
step four, preparing a coating: and sequentially adding the raw materials in the third step into a stirring tank for stirring treatment, wherein the stirring speed is 100r/min, the stirring time is 20min, then spraying the raw materials onto a sealing ring, and baking the sealing ring at 180 ℃ to form a film for 20min to obtain the corrosion-resistant sealing ring coating.
The modified flaky mica powder of the embodiment is subjected to modification treatment by using a silane coupling agent; the graphene solution is composed of graphene, sodium allylsulfonate and deionized water according to a weight ratio of 5:2: 1.
The particle size of the graphite fine powder in this example was 1 um.
The preparation method of the functional additive in this embodiment is as follows: adding shell powder, phytic acid and maleic anhydride into an ethanol solvent together, adding polycarbonate dihydric alcohol, stirring at the rotating speed of 100r/min for 20min, adding wollastonite powder and diatomite powder, introducing alternating current into the wollastonite powder and the diatomite powder, treating for 12min, filtering, transferring the mixture into a ball mill for ball milling, and finally performing vacuum drying at 50 ℃ for 10h to obtain the functional auxiliary agent.
The frequency of the alternating current in this example was 81Hz, and the density was 101A/m2。
The rotation speed of the ball milling treatment in the ball mill of the embodiment is 500r/min, the ball milling temperature is 80 ℃, and the ball milling time is 10 min.
The additive of this example was sodium citrate.
Example 2:
the production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field comprises the following steps:
step one, preparing modified polyurethane resin: adding polyurethane resin into an acetone solvent, then adding modified flaky mica powder, then adding pentaerythritol polyether tetrol, and stirring at the rotating speed of 90 ℃ and 200r/min for 20min to obtain modified polyurethane resin;
step two, preparing modified acrylic resin: adding acrylic resin into the graphene solution, then carrying out ultrasonic dispersion for 20min, wherein the ultrasonic power is 200W, and carrying out water washing after the ultrasonic treatment to obtain modified acrylic resin;
step three, weighing the raw materials: weighing 31 parts of modified polyurethane resin, 31 parts of modified acrylic resin, 6 parts of polytetrafluoroethylene resin, 4 parts of graphite micropowder, 4 parts of functional auxiliary agent, 3 parts of additive and 58 parts of deionized water;
step four, preparing a coating: and sequentially adding the raw materials in the third step into a stirring tank for stirring treatment, wherein the stirring speed is 500r/min, the stirring time is 30min, then spraying the raw materials on a sealing ring, and baking the sealing ring at 180 ℃ to form a film for 20min to obtain the corrosion-resistant sealing ring coating.
The modified flaky mica powder of the embodiment is subjected to modification treatment by using a silane coupling agent; the graphene solution is composed of graphene, sodium allylsulfonate and deionized water according to a weight ratio of 5:2: 1.
The particle size of the graphite fine powder in this example was 10 um.
The preparation method of the functional additive in this embodiment is as follows: adding shell powder, phytic acid and maleic anhydride into an ethanol solvent together, adding polycarbonate dihydric alcohol, stirring at the rotating speed of 200r/min for 30min, adding wollastonite powder and diatomite powder, introducing alternating current into the wollastonite powder and the diatomite powder, treating for 14min, filtering, transferring the mixture into a ball mill for ball milling, and finally drying in vacuum at 54 ℃ for 14h to obtain the functional auxiliary agent.
The frequency of the alternating current in this example was 85Hz, and the density was 103A/m2。
The rotation speed of the ball milling treatment in the ball mill of the embodiment is 500-.
The additive of this example was sodium carboxymethylcellulose.
Example 3:
the production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field comprises the following steps:
step one, preparing modified polyurethane resin: adding polyurethane resin into an acetone solvent, then adding modified flaky mica powder, then adding pentaerythritol polyether tetrol, and stirring at 85 ℃ and a rotation speed of 150r/min for 15min to obtain modified polyurethane resin;
step two, preparing modified acrylic resin: adding acrylic resin into the graphene solution, then carrying out ultrasonic dispersion for 15min, wherein the ultrasonic power is 150W, finishing ultrasonic treatment, and washing with water to obtain modified acrylic resin;
step three, weighing the raw materials: weighing 30 parts of modified polyurethane resin, 30 parts of modified acrylic resin, 5 parts of polytetrafluoroethylene resin, 3 parts of graphite micropowder, 3 parts of functional auxiliary agent, 2 parts of additive and 57 parts of deionized water;
step four, preparing a coating: and sequentially adding the raw materials in the third step into a stirring tank for stirring treatment, wherein the stirring speed is 300r/min, the stirring time is 25min, then spraying the raw materials on a sealing ring, and baking the sealing ring at 180 ℃ to form a film for 20min to obtain the corrosion-resistant sealing ring coating.
The modified flaky mica powder of the embodiment is subjected to modification treatment by using a silane coupling agent; the graphene solution is composed of graphene, sodium allylsulfonate and deionized water according to a weight ratio of 5:2: 1.
The particle size of the graphite fine powder of this example was 5.5 um.
The preparation method of the functional additive in this embodiment is as follows: adding shell powder, phytic acid and maleic anhydride into an ethanol solvent together, adding polycarbonate dihydric alcohol, stirring at the rotating speed of 150r/min for 25min, adding wollastonite powder and diatomite powder, introducing alternating current into the wollastonite powder and the diatomite powder, treating for 13min, filtering, transferring the mixture into a ball mill for ball milling, and finally performing vacuum drying at 52 ℃ for 12h to obtain the functional auxiliary agent.
The frequency of the alternating current in this example was 83Hz, and the density was 102A/m2。
The rotation speed of the ball milling treatment in the ball mill of the embodiment is 700r/min, the ball milling temperature is 82 ℃, and the ball milling time is 15 min.
The additive of this example was sodium carboxymethylcellulose.
Comparative example 1:
the materials and preparation process are basically the same as those of example 3, except that no functional auxiliary agent is added.
Comparative example 2:
the wear-resistant and corrosion-resistant effects of the product are tested by taking the untreated sealing ring as a control group.
| Group of | Abrasion resistance improvement rate (%) | Corrosion-resistant improvement rate (times) |
| Example 1 | 12.7 | 8.1 |
| Example 2 | 12.8 | 8.2 |
| Example 3 | 12.9 | 8.4 |
| Comparative example 1 | 5.9 | 4.3 |
As can be seen from examples 1 to 3 and comparative example 1, the wear resistance and corrosion resistance of the seal ring of the present invention after coating treatment can be significantly improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A production process of an oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for an oil field is characterized by comprising the following steps:
step one, preparing modified polyurethane resin: adding polyurethane resin into an acetone solvent, then adding modified flaky mica powder, then adding pentaerythritol polyether tetrol, and stirring at the rotating speed of 80-90 ℃ and 100-200r/min for 10-20min to obtain modified polyurethane resin;
step two, preparing modified acrylic resin: adding acrylic resin into the graphene solution, then carrying out ultrasonic dispersion for 10-20min at the ultrasonic power of 100-200W, and washing after the ultrasonic treatment to obtain modified acrylic resin;
step three, weighing the raw materials: weighing 29-31 parts of modified polyurethane resin, 29-31 parts of modified acrylic resin, 4-6 parts of polytetrafluoroethylene resin, 2-4 parts of graphite micropowder, 2-4 parts of functional auxiliary agent, 1-3 parts of additive and 56-58 parts of deionized water;
step four, preparing a coating: and sequentially adding the raw materials in the third step into a stirring tank for stirring treatment, wherein the stirring speed is 100-500r/min, the stirring time is 20-30min, then spraying the raw materials onto a sealing ring, and baking the sealing ring at 180 ℃ to form a film for 20min to obtain the corrosion-resistant sealing ring coating.
2. The production process of the oil-resistant, wear-resistant and corrosion-resistant seal ring coating for the oil field according to claim 1, wherein the modified flake mica powder is subjected to modification treatment by a silane coupling agent; the graphene solution is composed of graphene, sodium allylsulfonate and deionized water according to a weight ratio of 5:2: 1.
3. The production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field according to claim 1, wherein the particle size of the graphite micropowder is 1-10 um.
4. The production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field according to claim 3, wherein the particle size of the graphite micropowder is 5.5 um.
5. The production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field according to claim 1, wherein the preparation method of the functional auxiliary agent comprises the following steps: adding shell powder, phytic acid and maleic anhydride into an ethanol solvent together, adding polycarbonate dihydric alcohol, stirring at the rotating speed of 100-200r/min for 20-30min, adding wollastonite powder and diatomite powder, introducing alternating current into the mixture to treat for 12-14min, filtering, transferring the mixture into a ball mill to perform ball milling treatment, and finally performing vacuum drying at the temperature of 50-54 ℃ for 10-14h to obtain the functional auxiliary agent.
6. The process for producing the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field as claimed in claim 5, wherein the frequency of the alternating current is 81-85Hz, and the density is 101-103A/m2。
7. The process for producing the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field according to claim 6, wherein the alternating current has a frequency of 83Hz and a density of 102A/m2。
8. The production process of the oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for the oil field as claimed in claim 1, wherein the rotation speed of the ball milling treatment in the ball mill is 500-900r/min, the ball milling temperature is 80-84 ℃, and the ball milling time is 10-20 min.
9. The production process of the oil-resistant, wear-resistant and corrosion-resistant seal ring coating for the oil field according to claim 1, wherein the additive is any one of sodium citrate, oleic acid and sodium carboxymethyl cellulose.
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| CN202011390597.7A CN112608666A (en) | 2020-12-02 | 2020-12-02 | Production process of oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for oil field |
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| CN202011390597.7A CN112608666A (en) | 2020-12-02 | 2020-12-02 | Production process of oil-resistant, wear-resistant and corrosion-resistant sealing ring coating for oil field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914108A (en) * | 2021-09-13 | 2022-01-11 | 宿迁市佳鑫布业有限公司 | Tarpaulin and preparation method thereof |
| CN114550573A (en) * | 2022-02-21 | 2022-05-27 | 深圳亚士德科技有限公司 | High-protection wear-resistant waterproof label sticker and production process thereof |
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| CN105623419A (en) * | 2016-03-21 | 2016-06-01 | 安徽安大中鼎橡胶技术开发有限公司 | Aqueous low-friction logo coating for coating rubber O-shaped ring surface and preparation method of low-friction logo coating |
| CN109943211A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of water based paint that can eliminate automotive sealant dynamic abnormal sound |
| CN110903715A (en) * | 2019-12-04 | 2020-03-24 | 齐耐润工业设备（上海）有限公司 | Protective coating for sealing element and preparation method thereof |
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2020
- 2020-12-02 CN CN202011390597.7A patent/CN112608666A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640945A (en) * | 2012-09-25 | 2015-05-20 | Nok株式会社 | Coating agent composition |
| CN105623419A (en) * | 2016-03-21 | 2016-06-01 | 安徽安大中鼎橡胶技术开发有限公司 | Aqueous low-friction logo coating for coating rubber O-shaped ring surface and preparation method of low-friction logo coating |
| CN109943211A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of water based paint that can eliminate automotive sealant dynamic abnormal sound |
| CN110903715A (en) * | 2019-12-04 | 2020-03-24 | 齐耐润工业设备（上海）有限公司 | Protective coating for sealing element and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914108A (en) * | 2021-09-13 | 2022-01-11 | 宿迁市佳鑫布业有限公司 | Tarpaulin and preparation method thereof |
| CN113914108B (en) * | 2021-09-13 | 2024-04-09 | 宿迁市佳鑫布业有限公司 | Tarpaulin and preparation method thereof |
| CN114550573A (en) * | 2022-02-21 | 2022-05-27 | 深圳亚士德科技有限公司 | High-protection wear-resistant waterproof label sticker and production process thereof |
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Application publication date: 20210406 |