Blends of GTR and devulcanized GTR with virgin natural rubber (NR) containing 60 phr of carbon black (CB) were prepared at GTR concentrations of 10, 20, 35 and 50 wt percent. The gel fraction, ...

Hundreds and perhaps even thousands of years before Charles Goodyear discovered the vulcanization process that made commercial rubber viable, Mesoamerican peoples were carrying out a similar ...

The civilizations used this ancient rubber for a variety of purposes, from sandals to balls to jewelry. In fact, while Charles Goodyear is generally credited with the invention of vulcanized ...

We've broken it down with examples of popular models. Vulcanization refers to a heat-treatment of rubber to make it more abrasion-resistant. Vulcanized rubber is used in tires, bowling balls ...

Because they're made of vulcanized rubber, old tires can't simply be melted down and used to make new tires. Such is reportedly not the case, however, with new rubber-free tires made from eco ...

And now a page from our "Sunday Morning" Almanac: June 15th, 1844, 170 years ago today . . . the day a troublesome natural ingredient bounced back. For that was the day Charles Goodyear received a ...