Anticorrosive Coating

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Anticorrosive Coating

The Importance of Anticorrosive Coating

The Importance of Anticorrosive Coating

Corrosion can cause structural failures and major consequences for humans and the surrounding environment. Reports of corrosion damage to bridges, airplanes, cars, buildings and natural gas pipelines are not uncommon. Significant progress has been made in anti-corrosion in many areas of coating technology. An anti-corrosive coating must possess intrinsic durability, adhesion to the substrate, adequate flexibility and toughness to withstand impacts and cracking as well as maintain its appearance. With the continuous development and maturity of anti-corrosion coating technology, its development prospects will become broader.

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Accelerate Research and Practice of Graphene in Anticorrosive Coating

General anti-corrosion coatings applied to metals require regular maintenance and can only achieve short-term anti-corrosion. However, the addition of graphene anti-corrosion coatings can delay the corrosion rate of metals and significantly save costs. The new type of coating prepared by adding graphene to the commonly used epoxy anticorrosive coatings not only has the cathodic protection effect of epoxy zinc-rich coatings and the shielding effect of glass flake coatings, but also has the characteristics of good toughness, strong adhesion, good water resistance and high hardness. Its anti-corrosion performance exceeds the existing heavy-duty anti-corrosion coatings, and can be widely used in the coating protection of marine engineering, transportation, large-scale industrial equipment and municipal engineering facilities.

Graphene/epoxy (OG/EP) coating with long-term anti-corrosion performance.Figure 1. Graphene/epoxy (OG/EP) coating with long-term anti-corrosion performance. (Wang X, et al. 2020)

The anti-corrosion mechanism of graphene is as follows:

The anti-corrosion mechanism of graphene

Alfa Chemistry has successfully applied graphene to anti-corrosion coatings, and conducted more functional modification or composite research with other substances. When you need an anticorrosive solution, turn to Alfa Chemistry for our experience and wide range of capabilities. We serve a variety of industries and have the expertise necessary to deliver the quality products you need on time every time.

What Can We Do?

  1. We provide various graphene materials for anti-corrosion coating research.
  2. Through the large-scale surface modification and dispersion technology research and development of graphene powder materials, we have mastered the key preparation process of graphene anticorrosive coatings, and can provide customers with matching solutions and services.
  3. We look forward to working with downstream companies to develop graphene anticorrosive coatings.

Alfa Chemistry Solutions for Anticorrosive Coating

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Technology and Instrument Platform

Chemical vapor deposition, chemical peeling, graphene modification, graphene transfer and other technologies.

TEM, AFM, XPS, ICP-OES, ICP-MS, EDS, Raman spectroscopy, probe station, resMap four point probe and other detection platforms.

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References

  1. Wang X, et al. (2020). “Highly Orientated Graphene/Epoxy Coating with Exceptional Anti-corrosion Performance for Harsh Oxygen Environments.” Corrosion Science. 176, 109049.
Our products are for research use only and cannot be used for any clinical purposes.

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