CN112852263A - Preparation method of graphene oxide epoxy resin - Google Patents

Preparation method of graphene oxide epoxy resin Download PDF

Info

Publication number
CN112852263A
CN112852263A CN202110064643.2A CN202110064643A CN112852263A CN 112852263 A CN112852263 A CN 112852263A CN 202110064643 A CN202110064643 A CN 202110064643A CN 112852263 A CN112852263 A CN 112852263A
Authority
CN
China
Prior art keywords
epoxy resin
graphene oxide
parts
coating
stirrer
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
CN202110064643.2A
Other languages
Chinese (zh)
Inventor
廖梓珺
张为昊
周子月
佘贵强
李斌
史志华
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.)
Army Service Academy of PLA
Original Assignee
Army Service Academy of PLA
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 Army Service Academy of PLA filed Critical Army Service Academy of PLA
Priority to CN202110064643.2A priority Critical patent/CN112852263A/en
Publication of CN112852263A publication Critical patent/CN112852263A/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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20Diluents or solvents
    • 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
    • C09D7/45Anti-settling agents
    • 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
    • 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
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a preparation method of graphene oxide epoxy resin, which comprises the following steps: weighing a proper amount of dispersing agent and 1-2 parts of 2-methylimidazole, adding into a container, dissolving, then continuously adding 1-7 parts of graphene oxide, and stirring for 25-30 min by using a stirrer to form a dispersion system; taking 93-99 parts of epoxy resin, adding 0.1-0.3 part of F5538 and 0.1-0.3 part of 202P anti-settling agent into the epoxy resin, and dispersing; continuously adding 4-6 parts of talcum powder and 4-6 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution, and stirring and dispersing for 28-32 min by using a stirrer to obtain a composite coating; and uniformly coating the prepared composite coating on the coating surface of 304 stainless steel, and curing in a drier at 75-85 ℃. The invention obviously improves the corrosion resistance of the composite coating, more importantly, the composite coating prepared by the invention has more stable corrosion resistance, especially has more stable corrosion resistance in a complex corrosion system, and can stably maintain longer corrosion resistance life.

Description

Preparation method of graphene oxide epoxy resin
Technical Field
The invention relates to the technical field of anticorrosive coatings, in particular to a preparation method of graphene oxide epoxy resin.
Background
The phenomenon that metal is damaged by chemical and electrochemical actions of an environmental medium is called corrosion phenomenon, and the corrosion of metal is distributed in various fields; all metal materials lose about 1% of weight due to corrosion every year, and the economic loss caused by corrosion accounts for about 4% of the total amount of national economy, so the corrosion prevention problem is a problem to be solved at present, and as the metal corrosion causing principle has a plurality of, the most effective corrosion prevention means at present is to adopt a corrosion prevention coating; researches show that the corrosion resistance can be improved by adding a proper filler into the epoxy resin. The graphene oxide is a derivative of graphene, is a single-layer or multi-layer sheet formed by stripping the graphene oxide, has a typical quasi-two-dimensional space structure, has unique optical, physical, mechanical and electronic properties and other characteristics, contains a large number of oxygen-containing functional groups on the upper surface, the lower surface and the periphery of the graphene oxide, and is easy to form stable chemical bonds with polymers. However, when the graphene oxide is applied to the epoxy resin, the problems of poor compatibility and poor dispersibility usually occur, and the graphene oxide is difficult to interact with a metal substrate and a polymer substrate and is easy to agglomerate; the corrosion resistance of the prepared composite coating is not obviously improved, and the corrosion resistance of the prepared composite coating is not stable enough, so that the corrosion resistance life of the composite coating is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a preparation method of graphene oxide epoxy resin, which solves the problems that the existing graphene oxide in epoxy resin has poor compatibility and dispersibility and is easy to agglomerate; the corrosion resistance of the composite coating cannot be obviously improved, and stable corrosion resistance can be formed.
In order to achieve the above object, the present invention provides a method for preparing graphene oxide epoxy resin, comprising the following steps:
1) weighing a proper amount of dispersing agent, placing the dispersing agent in a container, adding 1-2 parts of 2-methylimidazole into the container at about 25-35 ℃, continuously adding 1-7 parts of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring for 25-35 min by using a stirrer to form a dispersing system;
2) taking 93-99 parts of epoxy resin, adding 0.1-0.3 part of F5538 and 0.1-0.3 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 4-6 parts of talcum powder and 4-6 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 28-32 min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a drier at 75-85 ℃.
Preferably, a proper amount of tetrahydrofuran is taken in the step 1) and placed in a container, 1-2 parts of 2-methylimidazole is added into the container at about 30 ℃, 3-7 parts of graphene oxide is continuously added after the 2-methylimidazole is completely dissolved, and the mixture is dispersed for 30min by using a stirrer.
Preferably, in the step 2), 93 to 97 parts of epoxy resin is taken, 0.2 part of F5538 and 0.2 part of 202P anti-settling agent are added into the epoxy resin, and then the mixture is stirred by a stirrer until the mixture is completely dispersed.
Preferably, the dispersant in the step 1) is tetrahydrofuran.
Compared with the prior art, the invention has the beneficial effects that:
1) the method is characterized in that the epoxy resin and the graphene oxide are matched, and the types and the matching of the dispersing agent, the anti-settling agent and the solvent are selected through tests; the graphene oxide forms a uniform and stable dispersion system, and then the compatibility and the dispersibility of the graphene oxide in the epoxy resin are obviously improved by the preparation method; the problem that the graphene oxide is easy to agglomerate is solved, a large number of reaction active points are provided after the graphene oxide is uniformly dispersed, and a large number of oxygen-containing functional groups on the upper surface, the lower surface and the periphery of the graphene oxide can form stable chemical bonds with the epoxy resin and the metal base material; the corrosion resistance of the composite coating is obviously improved, more importantly, the composite coating prepared by the method is more stable in corrosion resistance, especially in a complex corrosion system, and can stably keep a longer corrosion resistance life.
2) After the coating is sprayed on the metal plate, the sprayed metal plate is soaked in an extreme experimental condition of a 3.5% sodium chloride solution, the metal plate sprayed with the non-additive graphite coating and the metal plate sprayed with the non-additive modified graphene coating are soaked in the extreme experimental condition of the 3.5% sodium chloride solution in a contrast manner, and through detection, the coating on the metal plate fails in 7 th day, and the surface of the metal plate is corroded; the modified coating provided by the invention does not lose efficacy at 60 days, and the surface of the metal plate is not corroded, wherein the coating added with 5% of modified graphene has the most excellent corrosion resistance.
3) According to the invention, the prepared composite coatings with different mass fractions are respectively subjected to open-position potential (OPC) test and Tafel curve (Tafel) test in 3.5 wt% NaCl solution to analyze the corrosion resistance of the composite coatings, and the analysis and detection results show that the corrosion potentials of the composite coatings are obviously increased by several times, and the current density of the corrosion coatings is reduced by one order of magnitude; therefore, the invention greatly improves the corrosion resistance of the composite coating, can still maintain stable corrosion resistance even in a complex corrosion environment, and avoids serious safety accidents caused by the occurrence of uncontrollable corrosion.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is an open circuit potential test chart of each composite coating sample prepared according to the embodiment of the present invention at different soaking times;
FIG. 2 is a Tafel (Tafel) curve test chart for each composite coating sample prepared according to the example of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Comparative example 1
A preparation method of graphene oxide epoxy resin comprises the following steps:
1) taking 100 parts of epoxy resin, adding 0.2 part of F5538 and 0.2 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 5 parts of talcum powder and 5 parts of barium sulfate into the epoxy resin, and stirring and dispersing for 30min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) and (3) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a dryer at 80 ℃ to obtain a coating sample 1.
Example 1
A preparation method of graphene oxide epoxy resin comprises the following steps:
1) weighing a proper amount of tetrahydrofuran, placing the tetrahydrofuran in a container, adding 1 part of 2-methylimidazole into the container at about 25 ℃, continuously adding 1 part of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring the mixture for 25min by using a stirrer to form a dispersion system;
2) taking 99 parts of epoxy resin, adding 0.1 part of F5538 and 0.1 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 4 parts of talcum powder and 4 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 28min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) and (3) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a drier at 75 ℃ to obtain a composite coating sample 2.
Example 2
A preparation method of graphene oxide epoxy resin comprises the following steps:
1) weighing a proper amount of dispersant, placing the dispersant in a container, adding 1 part of 2-methylimidazole into the container at about 30 ℃, continuously adding 3 parts of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring the mixture for 30min by using a stirrer to form a dispersion system;
2) taking 97 parts of epoxy resin, adding 0.2 part of F5538 and 0.2 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 5 parts of talcum powder and 5 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 30min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) and (3) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a dryer at 80 ℃ to obtain a composite coating sample 3.
Example 3
A preparation method of graphene oxide epoxy resin comprises the following steps:
1) weighing a proper amount of dispersant, placing the dispersant in a container, adding 1 part of 2-methylimidazole into the container at about 30 ℃, continuously adding 5 parts of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring the mixture for 30min by using a stirrer to form a dispersion system;
2) taking 95 parts of epoxy resin, adding 0.2 part of F5538 and 0.2 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 5 parts of talcum powder and 5 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 30min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) and (3) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a dryer at 80 ℃ to obtain a composite coating sample 3.
Example 4
A preparation method of graphene oxide epoxy resin comprises the following steps:
1) weighing a proper amount of dispersant, placing the dispersant in a container, adding 2 parts of 2-methylimidazole into the container at about 35 ℃, continuously adding 7 parts of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring the mixture for 35min by using a stirrer to form a dispersion system;
2) taking 93 parts of epoxy resin, adding 0.3 part of F5538 and 0.3 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 6 parts of talcum powder and 6 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 32min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) and (3) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a dryer at 85 ℃ to obtain a composite coating sample 4.
Coating samples were analyzed for Open Circuit Potential (OCP). Composite coating samples 1, 2, 3, 4 and 5 prepared in comparative example 1, example 2, example 3 and example 4 were immersed in 3.5 wt% NaCl solution for a long time to perform an Open Circuit Potential (OCP) test, and the change of OCP with immersion time was shown in fig. 1. The analysis experiment result shows that: compared with the coating sample 1, the open-circuit potential of the composite coating is obviously increased, which is beneficial to the composite coating to keep the stability of the electrochemical property thereof, thereby obviously reducing the probability of electrochemical corrosion of the composite coating; in addition, with the increase of the soaking time, the open potential gradually moves towards the anode, the change tends to be smooth, and the graphene oxide can rapidly conduct electrons lost by Fe in the anode reaction to the surface of the coating. Thereby blocking Fe3+. The generated precipitate is corroded, the corrosion resistance of the composite coating sample is further obviously improved, and the stable corrosion resistance can be kept.
The coating samples were analyzed for polarization (Tafel) curves. The coating samples 1, 2, 3, 4 and 5 were subjected to polarization curve (Tafel) analysis to obtain the attached figure 2, and the detected curves were subjected to fitting analysis to obtain the corrosion potential Ecoor and the corrosion current density Ichar, which are shown in Table 1. Analyzing the experimental results, the Tafel curve of comparative coating sample 1 and table 1 show that: with the increase of the mass fraction of the graphene oxide in the epoxy resin, the corrosion potential tends to increase firstly and then decrease, and the corrosion current density tends to decrease firstly and then increase, which shows that the compatibility and the dispersibility of the graphene oxide in the epoxy resin are obviously improved, and the active points of the graphene oxide and the epoxy resin and the metal base material form stable chemical bonds, so that a stable anticorrosive coating is formed; the epoxy resin coating of the graphene has the best anti-corrosion effect.
TABLE 1 results of polarization curve fitting for different composite coating samples
Tabel1 Eleetrohemieal parameter of Tafelcurves
Figure BDA0002903852400000071
In view of the comprehensive corrosion potential and the corrosion current density, the corrosion potential of the epoxy resin coating added with 5 w% of graphene oxide is increased by 106.07mV compared with the corrosion potential of a pure epoxy resin coating, and the corrosion current density is reduced by 3.196nA/cm2The best performance was found in all the coatings tested, indicating that the epoxy resin coating with 5 w% graphene oxide added has the best corrosion protection.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (4)

1. A preparation method of graphene oxide epoxy resin is characterized by comprising the following steps:
1) weighing a proper amount of dispersing agent, placing the dispersing agent in a container, adding 1-2 parts of 2-methylimidazole into the container at about 25-35 ℃, continuously adding 1-7 parts of graphene oxide after the 2-methylimidazole is completely dissolved, and stirring for 25-35 min by using a stirrer to form a dispersing system;
2) taking 93-99 parts of epoxy resin, adding 0.1-0.3 part of F5538 and 0.1-0.3 part of 202P anti-settling agent into the epoxy resin, and stirring by a stirrer until the epoxy resin is completely dispersed;
3) continuously adding 4-6 parts of talcum powder and 4-6 parts of barium sulfate into the epoxy resin, then adding the graphene oxide solution prepared in the step 1), and stirring and dispersing for 28-32 min by using a stirrer to obtain a composite coating;
4) processing 304 stainless steel into a cube, polishing the surface of the stainless steel by using 1000-mesh SiC abrasive paper by using a cross polishing method until metal luster appears, and packaging the surface except the coating surface by using epoxy resin;
5) uniformly coating the composite coating prepared in the step 3) on a coating surface of 304 stainless steel, and curing in a drier at 75-85 ℃.
2. The method for preparing graphene oxide epoxy resin according to claim 1, wherein an appropriate amount of tetrahydrofuran is taken in the step 1), the mixture is placed in a container, 1-2 parts of 2-methylimidazole is added into the container at about 30 ℃, 3-7 parts of graphene oxide is continuously added after the 2-methylimidazole is completely dissolved, and the mixture is dispersed for 30min by using a stirrer.
3. The method for preparing graphene oxide epoxy resin according to claim 1, wherein in the step 2), 93-97 parts of epoxy resin is taken, 0.2 part of F5538 and 0.2 part of 202P anti-settling agent are added into the epoxy resin, and then the mixture is stirred by a stirrer until the mixture is completely dispersed.
4. The method for preparing graphene oxide epoxy resin according to claim 1, wherein the dispersant in step 1) is tetrahydrofuran.
CN202110064643.2A 2021-01-18 2021-01-18 Preparation method of graphene oxide epoxy resin Pending CN112852263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110064643.2A CN112852263A (en) 2021-01-18 2021-01-18 Preparation method of graphene oxide epoxy resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110064643.2A CN112852263A (en) 2021-01-18 2021-01-18 Preparation method of graphene oxide epoxy resin

Publications (1)

Publication Number Publication Date
CN112852263A true CN112852263A (en) 2021-05-28

Family

ID=76006715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110064643.2A Pending CN112852263A (en) 2021-01-18 2021-01-18 Preparation method of graphene oxide epoxy resin

Country Status (1)

Country Link
CN (1) CN112852263A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105086688A (en) * 2015-08-25 2015-11-25 济宁利特纳米技术有限责任公司 Oxidized graphene insulating heat-radiating coating and preparation method thereof
CN108441069A (en) * 2018-03-13 2018-08-24 厦门彩圣涂料有限公司 Anticorrosive paint is carried on the back based on graphene, graphene oxide and nano-filler modified mirror
CN109593440A (en) * 2018-12-17 2019-04-09 浙江润奥环保科技有限公司 A kind of environment-friendly type nano graphene floor material and preparation method thereof
CN110373083A (en) * 2019-02-22 2019-10-25 福建科华中盈新材料有限公司 A kind of apply requires low anticorrosive paint and preparation method thereof to preceding processing on ship

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105086688A (en) * 2015-08-25 2015-11-25 济宁利特纳米技术有限责任公司 Oxidized graphene insulating heat-radiating coating and preparation method thereof
CN108441069A (en) * 2018-03-13 2018-08-24 厦门彩圣涂料有限公司 Anticorrosive paint is carried on the back based on graphene, graphene oxide and nano-filler modified mirror
CN109593440A (en) * 2018-12-17 2019-04-09 浙江润奥环保科技有限公司 A kind of environment-friendly type nano graphene floor material and preparation method thereof
CN110373083A (en) * 2019-02-22 2019-10-25 福建科华中盈新材料有限公司 A kind of apply requires low anticorrosive paint and preparation method thereof to preceding processing on ship

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
廖梓珺: "氧化石墨烯/环氧树脂复合防腐涂层的制备及电化学性能研究", 《材料开发与应用》 *

Similar Documents

Publication Publication Date Title
Gupta et al. Polyaniline-lignosulfonate/epoxy coating for corrosion protection of AA2024-T3
Kalendová et al. Anticorrosion efficiency of zinc-filled epoxy coatings containing conducting polymers and pigments
Armelin et al. Corrosion protection with polyaniline and polypyrrole as anticorrosive additives for epoxy paint
Zhang et al. High corrosion protection of a polyaniline/organophilic montmorillonite coating for magnesium alloys
Olad et al. Enhanced corrosion protective coating based on conducting polyaniline/zinc nanocomposite
CN112375459B (en) Graphene/water-based epoxy zinc-rich coating with high corrosion resistance and strong adhesive force and preparation method thereof
Khan et al. Recent developments in intrinsically conductive polymer coatings for corrosion protection
CN108250896B (en) Antifouling paint based on urushiol benzoxazine copper polymer and preparation method thereof
Deng et al. Bio-inspired electrochemical corrosion coatings derived from graphene/natural lacquer composites
CN103254736B (en) A kind of have Polyaniline powder paint of acid resistance self-repair function and preparation method thereof
Fu et al. Corrosive inhibition behavior of well-dispersible aniline/p-phenylenediamine copolymers
CN112646489A (en) Conductive coating and preparation method thereof
CN112852263A (en) Preparation method of graphene oxide epoxy resin
CN111378299A (en) Method for modifying surface of magnesium hydroxide by using dopamine-induced transition metal ions
Liangcai et al. Preparation and EIS studies on polyimide/polyaniline blend film for corrosion protection
Mobin et al. Investigation of the corrosion behavior of poly (aniline-co-o-anisidine)/ZnO nanocomposite coating on low-carbon steel
Bahrami Panah et al. Investigation of corrosion performance of epoxy coating containing polyaniline nanoparticles
CN107245145A (en) The preparation method and application of pyrroles's aniline and its modified anti-corrosive coating
Rawat et al. Conducting poly (o-anisidine-co-o-phenyldiammine) nanorod dispersed epoxy composite coatings: synthesis, characterization and corrosion protective performance
Kohl et al. Enhancing corrosion resistance of zinc-filled protective coatings using conductive polymers
CN112940555B (en) Preparation and application of antifouling agent with characteristic of controllably releasing cuprous ions
El-Shazly et al. Investigation of the performance of the galvanic coupling of polyaniline coated steel and zinc in seawater
CN112143348B (en) Protective agent applied to cyanide-free silver plating layer and preparation method thereof
CN115678409A (en) Anticorrosive antifouling antistatic coating and preparation method thereof
CN113150640B (en) Cerium ion-loaded two-dimensional nanomaterial-based self-healing barrier dual-function coating and preparation method and application thereof

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210528