Against Rust: Innovative Technology Creates Anticorrosion Shield for Iron Structures With Impressive 99.6% Performance

Written by Fabio Lucas Carvalho

Published on 11/06/2025 at 23:12

Updated on 11/06/2025 at 23:13

Foto: Reprodução

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New Double Layer Coating Reaches 99.6% Efficacy Against Rust and Promises to Revolutionize the Durability of Iron Structures

A new coating developed by researchers promises to change the way iron is protected against corrosion. With a double barrier, the material achieved 99.6% efficacy against rust, even in extreme conditions.

The discovery could represent a significant leap for sectors such as construction, transportation, and manufacturing.

The Challenge of Rust

Iron is one of the main materials used in infrastructure works, present in bridges, buildings, and pipelines.

ARTICLE CONTINUES BELOW

Double Layer with Chemical and Physical Protection

The team from the Hebrew University of Jerusalem created a solution based on two layers: a molecular primer and a durable polymer coating.

The project is led by Professor Elad Gross, who highlighted the strength of the chemical bond between the primer and iron as a differential of the product.

According to Gross, the primer is made with N-heterocyclic carbene (NHC), a compound that binds directly to iron in a very stable manner. This chemical base allows the second layer, a robust polymer, to adhere in a more durable way.

The result is a protective barrier that is virtually unbreakable, even under intense exposure to saltwater – one of the most corrosive environments for metals.

In tests, the coating performed well under these extreme conditions, maintaining its efficacy over time.

Industrial and Economic Impact

The new coating could significantly reduce the need for maintenance on iron structures.

Bridges, ships, pipelines, and other critical structures could have their lifespan extended, with lower repair costs.

The researchers also highlighted the environmental benefit. With less need for replacement of corroded parts, material consumption would be lower, contributing to a more sustainable production chain.

A recent report shows that the corrosion inhibitors market already generates about US$ 8.93 billion annually. The forecast is for an average growth of 3.6% between 2025 and 2030, indicating a continuous demand for durable solutions.

New Ways of Measurement

Another advancement related to iron protection came from the Indian Institute of Technology (IIT) in Bombay. Researchers developed a new technique to measure coating degradation more accurately.

The combination of potentiometry based on hydrogen permeation and electrochemical impedance spectroscopy allows for precise identification of where the coating begins to deteriorate.

This technique can help in the evaluation of products like the new coating developed in Jerusalem, enabling more precise monitoring of its performance over time.

The findings on the new coating were published in the journal Angewandte Chemie International Edition, one of the leading scientific journals in the field. The publication reinforces the study’s relevance and paves the way for industrial adoption.

This advancement could represent a new era in the protection of iron structures, with less rust, less maintenance, and greater durability.

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Against Rust: Innovative Technology Creates Anticorrosion Shield for Iron Structures With Impressive 99.6% Performance

New Double Layer Coating Reaches 99.6% Efficacy Against Rust and Promises to Revolutionize the Durability of Iron Structures

The Challenge of Rust

Double Layer with Chemical and Physical Protection

Industrial and Economic Impact

New Ways of Measurement

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Against Rust: Innovative Technology Creates Anticorrosion Shield for Iron Structures With Impressive 99.6% Performance

New Double Layer Coating Reaches 99.6% Efficacy Against Rust and Promises to Revolutionize the Durability of Iron Structures

The Challenge of Rust

Double Layer with Chemical and Physical Protection

Industrial and Economic Impact

New Ways of Measurement

Dissatisfied with seeing people sleeping on the street, a man named Ryan Donais started building small mobile homes so that homeless people can escape the cold, each equipped with a bed, running water, electricity, and heating.

Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.

A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

Panama bets on a $4.5 billion railway bridge over the Panama Canal and calls on Renfe to validate a 450 km high-speed line that promises 50,000 jobs, but still faces the technical challenge of crossing one of the world’s most strategic routes.

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Using high-resolution satellite images, archaeologists rediscovered the Egyptian city of Imet, buried for centuries in the Nile Delta, revealing rare multi-story houses, granaries, and a sacred road linked to the cobra goddess Wadjet, from about 2,400 years ago.

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