April 26, 2025
Science

Green innovation: scientists create asphalt that is never covered with ice

  • February 20, 2023
  • 0

The revolutionary and environmentally friendly solution is a unique alternative to special salt solutions that protect the road surface from ice but also destroy it. A new asphalt

Green innovation: scientists create asphalt that is never covered with ice

The revolutionary and environmentally friendly solution is a unique alternative to special salt solutions that protect the road surface from ice but also destroy it.

A new asphalt recipe

The new solution involves mixing the chloride-free acetate salt with a surfactant, silicon dioxide, sodium bicarbonate, and blast furnace slag to produce a finely dispersed powder. The powder particles are coated with a polymer solution that forms microcapsules that can be mixed directly into the asphalt.

Not just an innovative solution the snow is constantly meltingfalling on the asphalt, but also lowers the freezing point of water from 0°C to -21°C. According to laboratory studies, a 5-centimeter-thick paving slab will continue to release salt capsules. seven or eight years oldkeep the road open at all times.

Why is it really important

This solution is a significant improvement over existing chloride-based salts, which can harm the environment, spoil roads and cause cars to rust. Acetate-based salt is significantly less harmful to the environment than chlorides and is less aggressive towards steel and other materials. It also operates at lower temperatures than conventional salts, providing an effective anti-icing solution.

This development is expected to have a positive impact on the environment, driver and passenger safety, and road maintenance. With the new solution, there is no need to reapply during the winter months or wait for the ice trucks to arrive. The compound can also be used on other infrastructures such as bridges and parking lots, providing a long-lasting and sustainable de-icing solution.

Source: 24 Tv

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