Salt-impregnated asphalt de-ices itself

Salt-impregnated asphalt could keep roads ice-free, without the need for the spreading of salt. Researchers report in a paper, “Gelation-Stabilized Functional Composite-Modified Bitumen for Anti-icing Purposes”Industrial & Engineering Chemistry Research,  in ACS’ journal Industrial & Engineering Chemistry Research a new road material that could de-ice itself.

A team of scientists Led by Dr Seda Kizilel at Turkey’s Koc University mixed the salt potassium formate with a hydrophobic (water-repelling) polymer known as styrene-butadiene-styrene.

That mixture was in turn added to bitumen, which is the main binding ingredient in asphalt. The resulting composite material was found to be just as tough as regular bitumen, yet its salt content “significantly delayed” the formation of ice on its surface.

In lab tests, it continued to release salt for a period of two months, still melting ice as it did so. The effect could reportedly last for much longer on an actual road, however. This would be because as the top layer of salt-depleted asphalt was worn away by traffic, fresh “salty” asphalt would be exposed from beneath.

With this in mind, the researchers believe that the salt-polymer composite asphalt could remain active for years. A paper on their research was recently published in the journal Industrial & Engineering Chemistry Research.

American Chemical Society

(Visited 148 times, 1 visits today)

Get involved


As a member of this site you will be able to receive aggregates news relating only to those categories that are most relevant to you, submit job listings for FREE, post questions in the Q&A, and more.

Register Now

Feature your company

The Feature Your Company listing is your custom-made (by us) profile page that allows you to add any of the following content: text, videos, links, images. The page will also be listed on the Featured Company landing page. Over 560 unique aggregates users visit the site per day! Complete the enquiry form now to contact us.

Contact us


Are you looking for an aggregate related job? Click here to see our jobs listing supplied by industry experts United Employment.

See Jobs


Reach thousands of budget holders and decision makers by promoting your company on the longest established aggregate website in the US & Canada. Or advertise in our emails which are sent to opted-in subscribers according to their chosen categories. All advertising will display correctly on tablets and mobiles as this site is responsive.