Research Breakthrough for Biodegradable Tires?

  Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas A&M University’s campus in the Gulf nation of Qatar is testing the synthetic rubber.             One of the researchers, Robert Tuba, said the goal is to find a way to make fully recyclable tires. Rubber tires thrown into landfills decompose very slowly. They are a fire risk and can release chemicals into the soil. If they collect water, they can also become a breeding ground for mosquitoes.    The research team discovered a by-product of the oil refining process called cyclopentene. This was combined with a polymer to make a substance very similar to natural rubber. The new synthetic rubber is being tested to see if it can be mixed with metal and other materials now used in making tires. The goal is to produce a new kind of synthetic that is just as strong as the rubber now used, but is biodegradable. The team said they found other benefits of the synthetic rubber. For one thing, they were able to recover 100 percent of the original materials when the rubber decomposed. The researchers say they already have a partner in the rubber industry. If future tests go well, Robert Tuba said his team would be ready to “bring the material to market.” This would eventually make biodegradable rubber tires widely available. I’m Bryan Lynn. Kevin Enochs reported this story for VOA News. Bryan Lynn adapted it for Learning English. Pete Heinlein was the editor. We want to hear from you. What other products do you think could be replaced by synthetic versions? Write to us in the Comments section, and visit our Facebook page. ________________________________________________________________ Words in This Story   synthetic – adj. something not made from natural substances biodegradable – adj. able to break down without harming the environment recyclable – adj. able to be reused after processing decompose – v. to gradually decay until destroyed breeding – n. the process animals use to produce babies by-product – n. something that happens as a result of something else polymer – n. a chemical mix that is made of small molecules that are arranged in a simple repeating structure to form a larger molecule  

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