Rubber Tire

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Rubber Tire
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This is a strip obtained from a bicycle tire; the basic material is butyl rubber in which layers of inextensible cords (which can be seen on the internal layer) are embedded to give it support. The rough and thick pattern of rubber present on the tire surface is known as tread and comes in contact with the road surface to provide traction. The first pneumatic rubber tyre was created by J.B Dunlop in 1887 in an attempt to prevent his son from getting headaches as a result of riding his bicycle on rough roads: before Dunlop’s invention, tires were made of metal bands fitted around a wooden wheel rim, in an effort to prevent it from wear and tear. Rubber is an elastomer, which is a material that can be stretched and pulled to a large deflection, but will return to its original shape. Natural rubber is derived from polymerising natural latex from a tropical rubber tree (its main component is isoprene); while synthetic rubber can be obtained artificially from polymerisation of a variety of monomers which can also be mixed in different amounts to give a variety of physical, mechanical and chemical properties. In 1839 C. Goodyear discovered that by mixing sulphur and rubber during the polymerisation process the properties of the resulting rubber were improved, giving a more durable material. This process was later called vulcanisation (after the Roman god of fire) and it is still used today in the manufacturing of rubber - although with improvements.

Sample ID: 202

Particularities

State
Solid
Compound
Selections
Categories
Composite
Curiosities
Relationships
Rubber | Elastic | Cords | Tread | Vulcanization | Deformation | Isoprene

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