Sulfur vulcanization a substantial fraction of natural and synthetic rubber. Reclaimed rubber has altered properties and is unsuitable for use in many products, including tires. Tires and other vulcanized products are potentially amenable to devulcanization, but this technology has not produced material that can supplant unvulcanized materials. The main problem is that the carbon-sulfur linkages are not readily broken, without the input of costly reagents and heat. Thus, more than half of scrap rubber is simply burned for fuel. Although polymeric sulfur is unstable and decomposes back to its monomer, it is possible to create stable polymers consisting mostly of sulfur via
Union Sulphur Company the Supreme Court, which declined to review the Third Circuit opinion. The competitors were free to use the Frasch Process. The Union Sulphur Company continued to extract sulfur, averaging over 200,000 tons per year from 1905 to 1911 and eventually producing a total of almost 9.5 million tons. Sulfur has many industrial uses, including as sulfuric acid and in the manufacture of explosives, among others. The Union Sulphur Company, as the primary source of sulfur in the U.S. before and during World War I, was critical to the U.S. war effort. As the legal battle over the expiration of its