CN111117395B - Flame-retardant anticorrosive material special for carbon steel pipe, and preparation method and application thereof - Google Patents
Flame-retardant anticorrosive material special for carbon steel pipe, and preparation method and application thereof Download PDFInfo
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- CN111117395B CN111117395B CN201911376992.7A CN201911376992A CN111117395B CN 111117395 B CN111117395 B CN 111117395B CN 201911376992 A CN201911376992 A CN 201911376992A CN 111117395 B CN111117395 B CN 111117395B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08L2201/02—Flame or fire retardant/resistant
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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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Abstract
The invention relates to a special flame-retardant anticorrosive material for a carbon steel pipe, and a preparation method and application thereof, wherein the special flame-retardant anticorrosive material comprises the following components in parts by weight: 55-75 parts of a special inorganic cementing material, 20-44 parts of a fluorine modified acrylate emulsion, 5-15 parts of barite powder, 3-9 parts of porous powder quartz, 3-9 parts of bentonite, 0.05-0.15 part of a defoaming agent and 7-18 parts of tap water. The flame-retardant anticorrosive material special for the carbon steel pipe has the advantages of good flame retardant property, excellent ageing resistance, outstanding corrosion resistance and durability, long anticorrosion life, environmental friendliness, convenience in construction, strong adaptability, good cracking resistance, firm combination with the surface of the steel pipe and the like. The construction process is not limited by the shape of the pipeline, and the composite material has a non-combustible property, is not easy to burn, can resist flame, can greatly improve the fireproof safety coefficient of the pipeline, and is particularly suitable for long-term corrosion prevention of the carbon steel pipeline.
Description
Technical Field
The invention belongs to the field of special anticorrosive materials for carbon steel pipes, and particularly relates to a special flame-retardant anticorrosive material for carbon steel pipes, and a preparation method and application thereof.
Background
The carbon steel pipe is made by making steel ingot or solid pipe blank into a rough pipe through perforation, and then hot rolling, cold rolling or cold drawing. It is widely used in water, oil and gas transportation engineering, and has important position in the management industry of China. In the use process of the carbon steel pipe, metal corrosion is easy to occur due to the influence of internal or external factors, and if the carbon steel pipe cannot be effectively protected in time, the pipeline is easy to leak or scrap, normal production and life are seriously affected, and even accidents and disasters can be caused under extreme conditions.
In the carbon steel pipe anticorrosion technology, epoxy resin anticorrosion paint, polyurethane anticorrosion paint and asphalt anticorrosion material are most widely applied. The anti-corrosion materials belong to organic anti-corrosion materials and have the problems of poor flame retardant property, short service life, heavy pollution in the construction process and the like. Therefore, a novel anticorrosive material which is good in flame retardant effect, long in service life and environment-friendly is developed, the problems of the existing carbon steel pipe anticorrosive material are solved, and the novel anticorrosive material has very obvious economic value and social significance.
Disclosure of Invention
The invention aims to provide a special flame-retardant anticorrosive material for carbon steel pipes on the basis of the prior art.
The invention also aims to provide a preparation method of the special flame-retardant anticorrosive material for the carbon steel pipe.
The invention further aims to provide application of the flame-retardant anticorrosive material special for the carbon steel pipe on the surface of the carbon steel pipe.
The technical scheme of the invention is as follows:
the flame-retardant anticorrosive material special for the carbon steel pipe comprises the following components in parts by weight: 55-75 parts of inorganic cementing material, 20-44 parts of fluorine modified acrylate emulsion, 5-15 parts of barite powder, 3-9 parts of porous powder quartz, 3-9 parts of bentonite, 0.05-0.15 part of defoaming agent and 7-18 parts of tap water.
In a preferred scheme, the flame-retardant anticorrosive material special for the carbon steel pipe comprises the following components in parts by weight: 58-70 parts of inorganic cementing material, 20-40 parts of fluorine modified acrylate emulsion, 6-14 parts of barite powder, 4-8 parts of porous powder quartz, 4-7 parts of bentonite, 0.05-0.1 part of defoaming agent and 8-16 parts of tap water.
In a more preferable scheme, the flame-retardant anticorrosive material special for the carbon steel pipe comprises the following components in parts by weight: 58-66 parts of inorganic cementing material, 23-34 parts of fluorine modified acrylate emulsion, 6.6-13 parts of barite powder, 5.2-7.2 parts of porous powder quartz, 4.2-6.3 parts of bentonite, 0.08-0.1 part of defoaming agent and 8.4-15 parts of tap water.
The inorganic cementing material can be a cement-type inorganic cementing material.
In a preferable scheme, the cement-based inorganic cementing material is one or more of portland cement, aluminate cement or sulfate cement.
The present invention may employ portland cement, aluminate cement or sulfate cement commonly used in the art, for example, portland cement may be, but is not limited to, p.o 52.5 portland cement or p.o 32.5 portland cement. The aluminate cement may be, but is not limited to, CA-50 aluminate cement.
The fluorine modified acrylic emulsion can be LS-WBR 7717W fluorine modified acrylic emulsion and/or F830 fluorine modified acrylic emulsion.
The defoaming agent mentioned in the invention can be DF-8868/8042 high-alcohol fatty acid ester defoaming agent and/or BYK024 defoaming agent.
According to the invention, the inorganic cementing material is used as a base material, the flexible fluorine modified acrylate emulsion is added to improve the toughness and the bonding property of the material, and under the coordination of other conditions, the material has the advantages of good flame retardant property, excellent ageing resistance, outstanding corrosion resistance and durability, long corrosion resistance life, environmental friendliness, convenience in construction, strong adaptability and firm combination with the surface of a steel pipe, and is particularly suitable for long-term corrosion resistance of a carbon steel material pipeline.
According to the invention, the barite powder, the porous quartz powder and the bentonite are selected, and under the coordination of other conditions, the expansion and shrinkage rate of the flame-retardant anticorrosive material special for the carbon steel pipe can be adjusted, and the volume stability and the anti-cracking performance are improved.
The invention also provides a preparation method of the flame-retardant anticorrosive material special for the carbon steel pipe, which comprises the following steps of: and fully mixing the components in the flame-retardant anticorrosive material special for the carbon steel pipe to obtain the flame-retardant anticorrosive material.
In a preferred scheme, the preparation method of the flame-retardant anticorrosive material special for the carbon steel pipe comprises the following more detailed steps: and stirring and fully mixing all the components in the flame-retardant anticorrosive material special for the carbon steel pipe by a stirrer to obtain slurry of the flame-retardant long-acting anticorrosive material special for the carbon steel pipe.
The flame-retardant anticorrosive material special for the carbon steel pipe can be applied to the surface of the carbon steel pipe to form a flame-retardant anticorrosive layer, and the specific use method comprises the following steps: the components in the flame-retardant anticorrosive material special for the carbon steel pipe are fully mixed to prepare slurry, the slurry is uniformly applied to the surface of the carbon steel pipe after polishing treatment, the carbon steel pipe is maintained for more than 28 days under the conditions that the temperature is 15-25 ℃ and the relative humidity is 65%, and a flame-retardant anticorrosive layer is formed after the maintenance and the complete curing.
According to the type of the carbon steel pipe and the difference of the using environment, when the special flame-retardant anticorrosive material for the carbon steel pipe is coated on the surface of the carbon steel pipe to form a flame-retardant anticorrosive layer, the thickness of the coating is 0.5-6 mm.
Before the surface of the carbon steel pipe is coated, the surface of the carbon steel pipe is fully treated by using a sand paper polishing or sand blasting method, and then the prepared slurry is coated on the outer surface of the carbon steel pipe after polishing treatment by using tools such as a brush, a roller, a scraper and the like. And finally, curing the steel pipe coated with the special flame-retardant anticorrosive material for the carbon steel pipe for more than 28 days at the temperature of 15-25 ℃ and the relative humidity of 65%, and finishing the anticorrosive construction process after the steel pipe is cured completely.
By adopting the technical scheme of the invention, the advantages are as follows:
the flame-retardant anticorrosive material special for the carbon steel pipe provided by the invention takes a special inorganic gelled material as a base material, the flexible fluorine modified acrylate emulsion is added to improve the toughness and the bonding property of the material, and a flame-retardant anticorrosive layer can be formed on the surface of the carbon steel pipe through coating construction. The flame-retardant steel pipe has the advantages of good flame retardant property, excellent ageing resistance, outstanding corrosion resistance and durability, long corrosion resistance life, environmental protection, convenient construction, strong adaptability, good cracking resistance, firm combination with the surface of a steel pipe and the like. The construction process is not limited by the shape of the pipeline, and the composite material has a non-combustible property, is not easy to burn, can resist flame, can greatly improve the fireproof safety coefficient of the pipeline, and is particularly suitable for long-term corrosion prevention of the carbon steel pipeline.
Detailed Description
The flame retardant anticorrosive material for carbon steel pipe of the present invention is further illustrated by the following examples, which are not intended to limit the present invention in any way.
Example 1:
58kg of P.O 32.5 portland cement, 34kg of LS-WBR 7717W fluorine modified acrylic emulsion, 8.4kg of tap water, 6.6kg of barite powder, 5.2kg of porous quartz powder, 4.2kg of bentonite and 0.1kg of DF-8868 high-carbon alcohol fatty acid ester defoaming agent are weighed and stirred in a stirrer to be fully mixed to obtain the special flame-retardant long-acting anticorrosive material slurry for the carbon steel pipe. Coating the prepared slurry on the surface of the DN50 seamless steel tube after sand blasting and polishing treatment by using a brush, controlling the thickness to be 1mm, maintaining for 30 days under the conditions of the temperature of 20 ℃ and the relative humidity of 65 percent, and finishing the anticorrosion construction after complete curing.
The main technical indexes are as follows:
example 2:
weighing 66kg of P.O 52.5 Portland cement, 23kg of F830 fluorine modified acrylic emulsion, 15kg of tap water, 13kg of barite powder, 7.2kg of porous powder quartz, 6.3kg of bentonite and 0.08kg of BYK024 defoaming agent, and fully stirring and mixing the materials in a stirrer to obtain the flame-retardant long-acting anticorrosive material slurry special for the carbon steel pipe. Coating the prepared slurry on the surface of the DN80 type welded steel pipe subjected to sand blasting and polishing treatment by using a brush, coating the slurry for multiple times until the thickness is 4mm, maintaining the steel pipe for 30 days under the conditions of 20 ℃ and 65% relative humidity, and finishing the anticorrosion construction after the steel pipe is completely cured.
The main technical indexes are as follows:
comparative example 1
In comparative example 1, the porous powdered quartz which is a component lacking, and the remaining components, the preparation method of the flame retardant anticorrosive material, and the specific use method are the same as those of example 1. The result shows that irregular cracks appear on the surface of the flame-retardant anticorrosive material, and the coating is unqualified when the damp-heat resistance test is carried out.
Comparative example 2
15kg of F830 fluorine-modified acrylic emulsion was added to comparative example 2, and the preparation method and specific application method of the remaining components, the flame retardant anticorrosive material were the same as those of example 2. The result shows that the flame-retardant anticorrosive material has the manual accelerated aging resistance time of 4000 hours and is unqualified, and the bonding strength is only 0.9MPa when the bonding strength test is carried out.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the foregoing embodiments are still possible, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The flame-retardant anticorrosive material special for the carbon steel pipe is characterized by comprising the following components in parts by weight: the paint comprises the following components in parts by weight: 58-66 parts of inorganic cementing material, 23-34 parts of fluorine modified acrylate emulsion, 6.6-13 parts of barite powder, 5.2-7.2 parts of porous powder quartz, 4.2-6.3 parts of bentonite, 0.08-0.1 part of defoaming agent and 8.4-15 parts of tap water; the inorganic cementing material is P.O 52.5 Portland cement or P.O 32.5 Portland cement; the fluorine modified acrylate emulsion is LS-WBR 7717W fluorine modified acrylic emulsion and/or F830 fluorine modified acrylic emulsion; the defoaming agent is DF-8868/8042 high-alcohol fatty acid ester defoaming agent and/or BYK024 defoaming agent.
2. A preparation method of the special flame-retardant anticorrosive material for the carbon steel pipe is characterized by fully mixing the components in the special flame-retardant anticorrosive material for the carbon steel pipe in claim 1.
3. The use of the flame retardant anticorrosive material for carbon steel tubes according to claim 1 applied to the surface of carbon steel tubes, wherein the flame retardant anticorrosive material for carbon steel tubes according to claim 1 is sufficiently mixed to prepare a slurry, and the slurry is uniformly applied to the surface of the carbon steel tubes after polishing treatment, and cured completely to form a flame retardant anticorrosive layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911376992.7A CN111117395B (en) | 2019-12-27 | 2019-12-27 | Flame-retardant anticorrosive material special for carbon steel pipe, and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911376992.7A CN111117395B (en) | 2019-12-27 | 2019-12-27 | Flame-retardant anticorrosive material special for carbon steel pipe, and preparation method and application thereof |
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| CN111117395A CN111117395A (en) | 2020-05-08 |
| CN111117395B true CN111117395B (en) | 2022-02-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674776A (en) * | 2012-05-29 | 2012-09-19 | 中国人民解放军空军勤务学院 | Inorganic matrix anticorrosion material for metal oil tank |
| CN103253910A (en) * | 2013-04-24 | 2013-08-21 | 中国石油大学(北京) | Novel cement-based composite anti-corrosive paint |
| CN105542583A (en) * | 2015-07-16 | 2016-05-04 | 华北理工大学 | Production method of aqueous fluorocarbon-cement base building coating |
| CN106630855A (en) * | 2016-12-30 | 2017-05-10 | 淄博庆颖建材科技有限公司 | Polymer modified cement-based anti-corrosion protectant as well as preparation method and application method thereof |
-
2019
- 2019-12-27 CN CN201911376992.7A patent/CN111117395B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674776A (en) * | 2012-05-29 | 2012-09-19 | 中国人民解放军空军勤务学院 | Inorganic matrix anticorrosion material for metal oil tank |
| CN103253910A (en) * | 2013-04-24 | 2013-08-21 | 中国石油大学(北京) | Novel cement-based composite anti-corrosive paint |
| CN105542583A (en) * | 2015-07-16 | 2016-05-04 | 华北理工大学 | Production method of aqueous fluorocarbon-cement base building coating |
| CN106630855A (en) * | 2016-12-30 | 2017-05-10 | 淄博庆颖建材科技有限公司 | Polymer modified cement-based anti-corrosion protectant as well as preparation method and application method thereof |
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