Synthetic rubber
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A synthetic rubber is an artificial elastomer. They are polymers synthesized from petroleum byproducts. About 32 million tonnes of rubber is produced annually in the United States, and of that amount
John Boyd Dunlop (c. 1915)
Sheet of synthetic rubber coming off the rolling mill at the plant of Goodrich (1941)
World War II poster about synthetic rubber tires
Polyisoprene
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Polyisoprene is, strictly speaking, a collective name for polymers that are produced by polymerization of isoprene. In practice polyisoprene is commonly used to refer to synthetic cis-1,4-polyisoprene
Synthetic rubber
…synthetic rubber is styrene-butadiene rubbers (SBR) derived from the copolymerization of styrene and 1,3-butadiene. Other synthetic rubbers include: polyisoprene, prepared by polymerization of isoprene neoprene, prepared by polymerization of 2-chlorobutadiene…
Pieces of polyisoprene in Hutchinson's Research and Innovation center in France