Dow Chemical, one of the world’s largest plastics manufacturers, builds roads from recycled plastic to reduce the amount of waste. Researchers say that such a coating is more durable than asphalt.
Many countries faced the problem of pollution of the environment by plastic waste. However, over the past few years, Dow Chemical has used about 100 tons of recycled material for road construction. In the coatings produced in this way, bitumen and minerals are still present, but the ratio of components is not disclosed.
Since 2017, Dow Chemical collaborates with the Government of Indonesia, helping to reduce plastic waste emissions into the ocean, by using them in new roads. Later, the company applied its technology to create a coverage in Indian cities Bangalore and Puna. In the summer of 2018, began to help Thailand. In February, the company completed the construction of two private roads in Texas.
In addition to reducing the level of pollution, plastic roads have a number of advantages compared to traditional asphalt. They are more resistant to corrosion from weather conditions and destruction due to the movement of vehicles. According to the calculations of the researchers, their service life is at least 50 years, which is three times more than in ordinary roads, and they are resistant to temperature drops in the range from -40 ° C to 80 ° C.
Plastic roads still have not become a massive phenomenon due to the concerns of some environmental advocates, which, during their operation, toxic substances will be released into the atmosphere. Although researchers argue that this will require heat coating above 270 ° C. In any case, finally the word remains behind the governments and administrations of cities.
Recently, scientists also developed