Polybutadiene

Polybutadiene is a synthetic rubber that is a polymer formed from the polymerization process of the monomer 1,3-butadiene. Polybutadiene has a high resistance to wear and is used especially in the manufacture of tires, which consumes about 70% of the production. Another 25% is used as an additive to improve the mechanical strength of plastics such...
Found on http://en.wikipedia.org/wiki/Polybutadiene

polybutadiene

(from the article `industrial polymers, major`) Butadiene (CH2CHCHCH2) is produced by the dehydrogenation of butene or butane or by the cracking of petroleum distillates. It is polymerized to ... ...by styrene-butadiene-styrene (SBS), a `tri-block` copolymer composed of butadiene repeating units in the centre portion of the ch...
Found on http://www.britannica.com/eb/a-z/p/89
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