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Salt-Infused Tarmac Could Keep Roads Ice-Free

RATE THIS! +31
Posted in Science on 20th Dec, 2015 06:17 PM by AlexMuller

It Seems So Obvious Now: Salt-Infused Tarmac Could Keep Roads Ice-Free. When winter finally starts dumping snow and ice on roads, cities fight back by spreading tons of salt to melt the slippery hazard. But what if roads already had salt built right into them? They’d be able to prevent slick conditions from occurring, well before the risk of an accident.

 
A team of researchers from Koc University in Turkey mixed salt potassium formate, which has already been studied as a potential eco-friendly deicer, with a water-repelling polymer called styrene-butadiene-styrene. That mixture was then added to bitumen, a key ingredient in asphalt, resulting in a material that was still strong and durable, but had the added ability of preventing ice from forming.
 
In lab tests, the new asphalt mix released ice melting salts for almost two solid months, but in real world applications that could easily be stretched to years because the vehicles driving on the material would slowly wear it away, revealing salt-dense layers beneath. It sounds like a car would be subject to the rigours of salt and corrosion all year round as a result, but that’s arguably better than sliding into another vehicle on a cold snowy morning before the ploughs have worked their magic.

Tags: chemistrysaltroadwintervehicleicewatersnow

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Comments

Author: Guest
Posted: 2015-12-21
+1
Good idea! Adding salt that is released and prevents asphalt from ice layers could work well- some further improvements to this original idea are clearly needed however Reply


 

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