butyl rubber

Butyl rubber.

butylrubberButyl rubber is a colorless to pale yellow material, flexible, waterproof and airtight, it barely smells and tastes like nothing.
It was invented in 1937 by researchers at Standard Oil (Exxon from 1972) in a laboratory in Linden, New Jersey.
These synthetic rubber or elastomer has been widely used as something to be sealed airtight.
In the fifties and sixties was this rubber “halogenated” (a halogen-atom is linked to a hydrocarbon compound) to halobutyl.
This made it possible to vulcanize the rubber, that is to say, to make more rigid by the addition of sulfur and oxygen.
This innovation could also be used for synthetic rubber, among others, inner tubes of a bicycle.

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