Electronically Conductive Enamel Coating

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention relates to an enamel coating composition that enables the creation of electrically conductive (rather than insulating) enamel layers for metal surfaces. By incorporating specific metal particles (such as stainless steel) and metal oxides (like copper oxide), the coating forms a conductive network within the enamel matrix during heat treatment. This conductive enamel can function as an antistatic layer or as an electrically conductive corrosion-protection layer, offering both protection and the ability to dissipate electrical charges.

Use CasesContent extracted from patent full text and abstract with AI.

• Antistatic coatings for metallic tanks, silos, and reactors that store or process insulating (non-conductive) liquids or bulk solids.
• Corrosion-protection coatings for industrial equipment exposed to chemical or atmospheric corrosion, while maintaining electrical conductivity.
• Coatings for electrodes (e.g., in electrostatic precipitators/filters), where charge dissipation is critical for performance and safety.
• Lining of piping systems, vessels, or containers in chemical plants or waste processing facilities to provide both corrosion protection and antistatic properties.
• Enhancing safety in fire/explosion-prone environments by preventing dangerous static build-up on coated metal surfaces.

BenefitsContent extracted from patent full text and abstract with AI.

• Prevents dangerous electrical discharges (sparks) by enabling antistatic properties on coated metal surfaces.
• Provides both strong corrosion resistance and electrical conductivity, unlike traditional enamel coatings, which are insulators.
• Reduces the risk of coating failure due to electrical breakdown, increasing lifespan of the protected equipment.
• Functions at high temperatures and in aggressive chemical environments, suitable for heavy industry.
• Does not rely on expensive noble metals for conductivity, reducing cost compared to other conductive coatings.
• Maintains the mechanical and chemical strengths of standard enamel coatings while adding the benefit of charge dissipation.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The present invention relates to a composition for producing a functional enamel layer, in particular an antistatic layer or an electronically conductive corrosion-protection layer, to the use of the composition, a process for producing an enamel coating on a base and to articles comprising a base and a functional enamel layer.