Rubber - Vulcanization

Vulcanization

Natural rubber is often vulcanized, a process by which the rubber is heated and sulfur, peroxide or bisphenol are added to improve resistance and elasticity, and to prevent it from perishing. The development of vulcanization is most closely associated with Charles Goodyear in 1839. Carbon black is often used as an additive to rubber to improve its strength, especially in vehicle tires.

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Other articles related to "vulcanization":

Tire Manufacturing - Materials
... as a low heat build up reinforcement Sulphur crosslinks the rubber molecules in the vulcanization process Vulcanizing Accelerators are complex organic compounds that speed up the vulcanization Activators assist ...
Vulcanization - Recycling and Devulcanization
... Until now this inert material could only be used in applications that do not require vulcanization ...
Football (association Football) - History - Vulcanization
1838, Charles Goodyear and Domenico Nobili introduced the use of rubber and their discoveries of vulcanization, which dramatically improved the football ... Vulcanization is the treatment of rubber to give it certain qualities such as strength, elasticity, and resistance to solvents ... Vulcanization of rubber also helps the football resist moderate heat and cold ...
Spin Casting - Silicone Molds
... Vulcanization is an integral step that occurs halfway through the mold-making process ... Prior to vulcanization, the mold rubber is a soft and malleable solid-like fluid, in many ways very similar to Silly Putty ... Vulcanization serves two purposes establishing the negative space inside the mold as well as hardening the rubber so it will remain strong and rigid during casting ...
El Manatí - Olmec Technology
... produce rubber and various uses of it, and probably had technological processes for vulcanization and for waterproofing with tar ... produced by mixing the two allows vulcanization ... method was to cook the rubber and then shape it into a ball this required high heat or vulcanization ...