CN111826084A - High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe - Google Patents

High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe Download PDF

Info

Publication number
CN111826084A
CN111826084A CN202010692735.0A CN202010692735A CN111826084A CN 111826084 A CN111826084 A CN 111826084A CN 202010692735 A CN202010692735 A CN 202010692735A CN 111826084 A CN111826084 A CN 111826084A
Authority
CN
China
Prior art keywords
parts
powder
temperature
agent
coupling agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010692735.0A
Other languages
Chinese (zh)
Inventor
郭保忠
吕建荣
郭振文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gansu Yuandong Urban Duct Co ltd
Original Assignee
Gansu Yuandong Urban Duct Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gansu Yuandong Urban Duct Co ltd filed Critical Gansu Yuandong Urban Duct Co ltd
Priority to CN202010692735.0A priority Critical patent/CN111826084A/en
Publication of CN111826084A publication Critical patent/CN111826084A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04Polysiloxanes
    • C09D183/08Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a high-temperature-resistant special anticorrosive paint for a direct-buried heat-insulating pipe, which comprises the following components in percentage by weight: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming assistant.

Description

High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe
Technical Field
The invention relates to the technical field of anticorrosive coatings, in particular to a high-temperature-resistant special anticorrosive coating for a direct-buried heat-insulating pipe.
Background
The directly-buried heat-insulating pipeline is also called a prefabricated heat-insulating pipeline and is divided into two types, one type is a plastic-sheathed steel heat-insulating pipe, the other type is a high-density polyethylene directly-buried heat-insulating pipeline, the other type is a steel-sheathed steel heat-insulating pipe, the other type is a high-temperature steam heat-insulating pipe, because the direct-buried heat-insulating pipe is usually directly buried in the soil in the using process and because the direct-buried heat-insulating pipe is directly contacted with the soil, the direct-buried heat-insulating pipe is easy to corrode after being contacted for a long time, the service life of the direct-buried heat-insulating pipe is shortened, therefore, before the direct-buried heat-insulating pipe is used, the surface of the direct-buried heat-insulating pipe needs to be coated with the high-temperature-resistant anticorrosive paint, but the existing high-temperature-resistant anticorrosive paint is easy to generate a large amount of bubbles in the production process, the contact area between the coating and the directly-buried heat-insulating pipe is reduced due to the existence of the bubbles, so that the viscosity of the coating is reduced, and the traditional high-temperature-resistant anticorrosive coating is low in wear resistance and easy to cause damage to the directly-buried heat-insulating pipe.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant special anticorrosive paint for a direct-buried heat-insulating pipe, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a high-temperature-resistant special anticorrosive paint for a directly-buried heat-insulating pipe comprises the following components in percentage by weight: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming additive.
According to the technical scheme, the heat stabilizer is one of a calcium zinc stabilizer, an organic tin heat stabilizer and a methyl tin heat stabilizer.
According to the technical scheme, the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent.
According to the technical scheme, the defoaming agent is prepared by mixing 15-20 parts of dimethyl silicone oil, 3-5 parts of silicon dioxide, 4-5 parts of white carbon black, 2-3 parts of paraffin, 4-5 parts of castor oil and 2-3 parts of sorbitan oleate emulsifier in parts by weight.
According to the technical scheme, the film-forming assistant is one or a mixture of more of ethylene glycol butyl ether, propylene glycol phenyl ether and dibutyl phthalate.
According to the technical scheme, the preparation method of the high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe comprises the following steps of firstly, weighing raw materials; step two, mixing and grinding; step three, stirring and mixing; step four, filtering and warehousing;
in the first step, 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming assistant are weighed according to the parts by weight of the components for later use;
in the second step, the enamel black, the high-alumina powder, the glass powder, the mica powder and the talcum powder weighed in the first step are respectively placed in a stirrer to be stirred to obtain a first-time mixture, the stirring time is 30-45min, the stirring speed is 800-1000r/min, then the obtained first-time mixture is placed in a sphere grinder to be ground to obtain aggregates, and the particle fineness of the aggregates is 30-40 mu m;
wherein in the third step, the phosphate ester modified epoxy organic silicon resin, the defoaming agent and the film-forming assistant weighed in the first step are placed in a reaction kettle to be stirred to obtain a second mixture, the stirring speed is 200-, when the temperature in the reaction kettle is cooled to normal temperature, a semi-finished product can be obtained;
and in the fourth step, placing the semi-finished product obtained in the third step into a coating filter bag for filtering, placing the filtered semi-finished product into a vibration machine for vibration for 2-3 minutes, and then barreling and warehousing the vibrated semi-finished product to obtain a finished product.
Compared with the prior art, the invention has the following beneficial effects: according to the high-temperature-resistant special anticorrosive coating for the directly-buried heat-insulating pipe, the added defoaming agent and the semi-finished coating are subjected to vibration treatment in the production process, so that the amount of bubbles contained in the coating is sufficiently reduced, the contact area between the coating and the directly-buried heat-insulating pipe is increased, and the viscosity of the coating is improved; and the added high-alumina powder, glass powder, mica powder and talcum powder not only improve the high-temperature resistance and the corrosion resistance, but also increase the wear resistance of the coating.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
a high-temperature-resistant special anticorrosive paint for a directly-buried heat-insulating pipe comprises the following components in percentage by weight: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming additive, wherein the heat stabilizer is one of calcium-zinc stabilizer, organic tin heat stabilizer and methyl tin heat stabilizer, the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent, and the defoaming agent is prepared from 15-20 parts of dimethyl silicone oil, 3-5 parts of silicon dioxide, 4-5 parts of white carbon black, 2-3 parts of paraffin wax, 2-3 parts of calcium-zinc stabilizer, titanate coupling agent and methyl tin heat stabilizer by weight, 4-5 parts of castor oil and 2-3 parts of sorbitan oleate emulsifier, wherein the film-forming assistant is one or a mixture of ethylene glycol butyl ether, propylene glycol phenyl ether and dibutyl phthalate.
According to the technical scheme, the preparation method of the high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe comprises the following steps of firstly, weighing raw materials; step two, mixing and grinding; step three, stirring and mixing; step four, filtering and warehousing;
in the first step, 30 parts of phosphate modified epoxy organic silicon resin, 8 parts of enamel black, 4 parts of high-alumina powder, 14 parts of glass powder, 0.5 part of heat stabilizer, 5 parts of mica powder, 5 parts of talcum powder, 0.5 part of coupling agent, 0.5 part of epoxy resin high-temperature curing agent, 1 part of defoaming agent and 0.3 part of film-forming assistant are weighed according to the parts by weight of the components for later use;
in the second step, the enamel black, the high-alumina powder, the glass powder, the mica powder and the talcum powder weighed in the first step are respectively placed in a stirrer to be stirred to obtain a first-time mixture, the stirring time is 30-45min, the stirring speed is 800-1000r/min, then the obtained first-time mixture is placed in a sphere grinder to be ground to obtain aggregates, and the particle fineness of the aggregates is 30-40 mu m;
wherein in the third step, the phosphate ester modified epoxy organic silicon resin, the defoaming agent and the film-forming assistant weighed in the first step are placed in a reaction kettle to be stirred to obtain a second mixture, the stirring speed is 200-, when the temperature in the reaction kettle is cooled to normal temperature, a semi-finished product can be obtained;
and in the fourth step, placing the semi-finished product obtained in the third step into a coating filter bag for filtering, placing the filtered semi-finished product into a vibration machine for vibration for 2-3 minutes, and then barreling and warehousing the vibrated semi-finished product to obtain a finished product.
Example 2:
a high-temperature-resistant special anticorrosive paint for a directly-buried heat-insulating pipe comprises the following components in percentage by weight: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming additive, wherein the heat stabilizer is one of calcium-zinc stabilizer, organic tin heat stabilizer and methyl tin heat stabilizer, the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent, and the defoaming agent is prepared from 15-20 parts of dimethyl silicone oil, 3-5 parts of silicon dioxide, 4-5 parts of white carbon black, 2-3 parts of paraffin wax, 2-3 parts of calcium-zinc stabilizer, titanate coupling agent and methyl tin heat stabilizer by weight, 4-5 parts of castor oil and 2-3 parts of sorbitan oleate emulsifier, wherein the film-forming assistant is one or a mixture of ethylene glycol butyl ether, propylene glycol phenyl ether and dibutyl phthalate.
According to the technical scheme, the preparation method of the high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe comprises the following steps of firstly, weighing raw materials; step two, mixing and grinding; step three, stirring and mixing; step four, filtering and warehousing;
in the first step, 33 parts of phosphate modified epoxy organic silicon resin, 9 parts of enamel black, 5 parts of high-alumina powder, 15 parts of glass powder, 0.5 part of heat stabilizer, 5 parts of mica powder, 5 parts of talcum powder, 0.5 part of coupling agent, 0.5 part of epoxy resin high-temperature curing agent, 1 part of defoaming agent and 0.3 part of film-forming assistant are weighed according to the parts by weight of the components for later use;
in the second step, the enamel black, the high-alumina powder, the glass powder, the mica powder and the talcum powder weighed in the first step are respectively placed in a stirrer to be stirred to obtain a first-time mixture, the stirring time is 30-45min, the stirring speed is 800-1000r/min, then the obtained first-time mixture is placed in a sphere grinder to be ground to obtain aggregates, and the particle fineness of the aggregates is 30-40 mu m;
wherein in the third step, the phosphate ester modified epoxy organic silicon resin, the defoaming agent and the film-forming assistant weighed in the first step are placed in a reaction kettle to be stirred to obtain a second mixture, the stirring speed is 200-, when the temperature in the reaction kettle is cooled to normal temperature, a semi-finished product can be obtained;
and in the fourth step, placing the semi-finished product obtained in the third step into a coating filter bag for filtering, placing the filtered semi-finished product into a vibration machine for vibration for 2-3 minutes, and then barreling and warehousing the vibrated semi-finished product to obtain a finished product.
Example 3:
a high-temperature-resistant special anticorrosive paint for a directly-buried heat-insulating pipe comprises the following components in percentage by weight: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 30-35 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming additive, wherein the heat stabilizer is one of calcium-zinc stabilizer, organic tin heat stabilizer and methyl tin heat stabilizer, the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent, and the defoaming agent is prepared from 15-20 parts of dimethyl silicone oil, 3-5 parts of silicon dioxide, 4-5 parts of white carbon black, 2-3 parts of paraffin wax, 2-3 parts of calcium-zinc stabilizer, titanate coupling agent and methyl tin heat stabilizer by weight, 4-5 parts of castor oil and 2-3 parts of sorbitan oleate emulsifier, wherein the film-forming assistant is one or a mixture of ethylene glycol butyl ether, propylene glycol phenyl ether and dibutyl phthalate.
According to the technical scheme, the preparation method of the high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe comprises the following steps of firstly, weighing raw materials; step two, mixing and grinding; step three, stirring and mixing; step four, filtering and warehousing;
in the first step, 35 parts of phosphate modified epoxy organic silicon resin, 10 parts of enamel black, 6 parts of high-alumina powder, 16 parts of glass powder, 0.5 part of heat stabilizer, 5 parts of mica powder, 5 parts of talcum powder, 0.5 part of coupling agent, 0.5 part of epoxy resin high-temperature curing agent, 1 part of defoaming agent and 0.3 part of film-forming assistant are weighed according to the parts by weight of the components for later use;
in the second step, the enamel black, the high-alumina powder, the glass powder, the mica powder and the talcum powder weighed in the first step are respectively placed in a stirrer to be stirred to obtain a first-time mixture, the stirring time is 30-45min, the stirring speed is 800-1000r/min, then the obtained first-time mixture is placed in a sphere grinder to be ground to obtain aggregates, and the particle fineness of the aggregates is 30-40 mu m;
wherein in the third step, the phosphate ester modified epoxy organic silicon resin, the defoaming agent and the film-forming assistant weighed in the first step are placed in a reaction kettle to be stirred to obtain a second mixture, the stirring speed is 200-, when the temperature in the reaction kettle is cooled to normal temperature, a semi-finished product can be obtained;
and in the fourth step, placing the semi-finished product obtained in the third step into a coating filter bag for filtering, placing the filtered semi-finished product into a vibration machine for vibration for 2-3 minutes, and then barreling and warehousing the vibrated semi-finished product to obtain a finished product.
The coating obtained in the above example is respectively and uniformly coated on a direct-buried heat preservation pipe, and then placed in seawater at 60 ℃ for 30 days to be soaked, and the obtained results are as follows:
appearance of the coating
Example 1 No cracking, peeling and falling off
Example 2 No cracking, peeling and falling off
Example 3 No cracking, peeling and falling off
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe is characterized by comprising the following components in parts by weight: the formula comprises the following components: phosphate modified epoxy organic silicon resin, enamel black, high-alumina powder, glass powder, a heat stabilizer, mica powder, talcum powder, a coupling agent, an epoxy resin high-temperature curing agent, a defoaming agent and a film-forming auxiliary agent; the weight parts of the components are respectively as follows: 28-32 parts of phosphate modified epoxy organic silicon resin, 8-10 parts of enamel black, 4-6 parts of high-alumina powder, 14-16 parts of glass powder, 0.5-0.6 part of heat stabilizer, 4-6 parts of mica powder, 4-6 parts of talcum powder, 0.4-0.6 part of coupling agent, 0.4-0.6 part of epoxy resin high-temperature curing agent, 0.8-1.2 parts of defoaming agent and 0.2-0.4 part of film-forming additive.
2. The high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe according to claim 1, characterized in that: the heat stabilizer is one of a calcium zinc stabilizer, an organic tin heat stabilizer and a methyl tin heat stabilizer.
3. The high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe according to claim 1, characterized in that: the coupling agent is one of silane coupling agent, titanate coupling agent and aluminate coupling agent.
4. The high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe according to claim 1, characterized in that: the defoaming agent is prepared by mixing 15-20 parts of dimethyl silicone oil, 3-5 parts of silicon dioxide, 4-5 parts of white carbon black, 2-3 parts of paraffin, 4-5 parts of castor oil and 2-3 parts of sorbitan oleate emulsifier in parts by weight.
5. The high-temperature-resistant special anticorrosive paint for the directly-buried heat-insulating pipe according to claim 1, characterized in that: the film-forming assistant is one or a mixture of more of ethylene glycol butyl ether, propylene glycol phenyl ether and dibutyl phthalate.
CN202010692735.0A 2020-07-17 2020-07-17 High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe Pending CN111826084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010692735.0A CN111826084A (en) 2020-07-17 2020-07-17 High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010692735.0A CN111826084A (en) 2020-07-17 2020-07-17 High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe

Publications (1)

Publication Number Publication Date
CN111826084A true CN111826084A (en) 2020-10-27

Family

ID=72923551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010692735.0A Pending CN111826084A (en) 2020-07-17 2020-07-17 High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe

Country Status (1)

Country Link
CN (1) CN111826084A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117186769A (en) * 2023-08-29 2023-12-08 陕西鑫宏宇防腐科技有限公司 Wax-proof scale-proof anticorrosive paint and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486875A (en) * 2009-02-13 2009-07-22 江苏荣昌化工有限公司 High temperature resistant anticorrosion modified epoxy organosilicon coating
CN104893570A (en) * 2015-07-02 2015-09-09 任碧龙 High-temperature-resistant anti-corrosive coating

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486875A (en) * 2009-02-13 2009-07-22 江苏荣昌化工有限公司 High temperature resistant anticorrosion modified epoxy organosilicon coating
CN104893570A (en) * 2015-07-02 2015-09-09 任碧龙 High-temperature-resistant anti-corrosive coating

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
祝红良: "新型耐高温防腐蚀涂料的研制", 《上海涂料》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117186769A (en) * 2023-08-29 2023-12-08 陕西鑫宏宇防腐科技有限公司 Wax-proof scale-proof anticorrosive paint and preparation method thereof
CN117186769B (en) * 2023-08-29 2024-05-03 陕西鑫宏宇防腐科技有限公司 Wax-proof scale-proof anticorrosive paint and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102731052B (en) Aqueous organic-inorganic composite coating and preparation method thereof
CN107353773A (en) A kind of water corrosion-resistant epoxy paint containing graphene and preparation method and application
CN101074340B (en) Flexible ceramic coating and its production
CN108977064B (en) Environment-friendly water-based high-temperature-resistant silicone coating and preparation and application thereof
CN103396759B (en) A kind of desulfuration chimney inner wall anti-corrosive organic silicon adhesive and method for formulating thereof
CN111087894B (en) Nano solvent-free epoxy anticorrosive paint and preparation method thereof
CN111826084A (en) High-temperature-resistant special anticorrosive paint for directly-buried heat-insulating pipe
CN104356710A (en) High-temperature-resistant and corrosion-resistant paint and preparation method thereof
CN110724440B (en) Low-temperature-resistant two-component solvent-free epoxy coating for pipeline joint coating
CN105176394A (en) Organic and inorganic coating material based on sol-gel technique and preparation method thereof
CN110878184A (en) Graphene modified epoxy zinc-rich primer and preparation method thereof
CN115093785B (en) Weather-resistant double-component solvent-free polyurethane coating for pipeline joint coating and preparation method thereof
CN106833330A (en) A kind of sintering blower Wear-resistant, high-temperature resistant coating and preparation method thereof
CN108102434A (en) A kind of nanometer of toughening inorganic zinc coating and preparation method thereof
CN109181491B (en) Nano solvent-free coating suitable for corrosion prevention in pipeline and preparation method thereof
CN108250901A (en) High-performance water-based turn of rust coating resins and aqueous turn of rust paint
CN113004861A (en) Battery sealing glue and manufacturing method thereof
CN108822626B (en) Single-component waterproof coating film for ceramic tile adhesion and preparation method thereof
CN1058606A (en) High-temp epoxy carbobitumen priming, finish paint and method for making thereof
CN110845934A (en) Two-dimensional nano low-surface-treatment graphene anti-corrosion primer and preparation method thereof
CN103992840B (en) A kind of corrosion-resistant antirust oil
CN103992860A (en) Multifunctional composite antirust oil
CN112391106A (en) Antifouling self-cleaning sand coating for dustbin and preparation method thereof
CN110982385B (en) Special temperature-resistant coating for corrosion prevention in heat storage tank
CN108219612B (en) Environment-friendly house leakage maintenance method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201027

RJ01 Rejection of invention patent application after publication