Caucho natural, sintético y neopreno

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Information about Caucho natural, sintético y neopreno

Published on February 27, 2014

Author: brunomoraldelgado

Source: slideshare.net

Natural rubber, synthetic rubber & neoprene. Jorge Godínez Leal y Bruno Moral Delgado 1º A

Natural Rubber

What is it?  It consists of suitable polymers of the organic compound isoprene, with minor impurities of other organic compounds plus water.

Origin and history It is from South America, especially from Brazil which was the main source of natural rubber.  An European guy brought thousands of seeds to plant them in the U.K.  The small plants were sent to some Southern Asian countries such as Malaysia which is now the main source of natural rubber.  The Congo Free State in Africa was also a significant source of natural rubber. 

Properties  Easily oxidized by air.  Sensitive to heat.  Soft.  Elastic.

Uses  Rubber tubes.  Shoe soles & door stoppers.  Rubber bands.  Rubber hoses and rubber caps.

Synthetic rubber

What is it?  Elastomer, more elastic under stress than others.  Can return to previous size after stress.  Substitute of natural rubber.

Origin and history  Bouchardat created a type in 1897.  Fritz Hofmann obtained first synthetic rubber in 1909.  It take a big demand in vehicles.

Properties  Resistant again heat and flames.  Flexible in low temperatures.  Electricity and heat insulator  Resistant to wear aging.

Uses       To form: Tyres of vehicles. Adhesive tapes. Hoses. Shoe soles. Wire and cable insulation.

Neoprene

What is it?  Type of synthetic rubber.  It have a lot of applications.  Is the rubber with more uses.

Origin and history  Invented by company DuPont.  First rubber produced in comany scale.  Obtained from synthetic rubber.

Properties  Very flexible.  High durability.  Fire, fat, oil, sun light and water salinity resistant.  It’s corroded by the sun and rain.  Serious pollution effects.

Uses  Pipes.  Leashes.  Gloves.  Sleeping bags.  Hoses.  Wetsuits.

The End

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