Editing Styrene-butadiene (section)

==History==
SBR is a replacement for [[natural rubber]]. It was originally developed prior to [[World War II]] in Germany by chemist [[Walter Bock]] in 1929.<ref>Malcolm Tatum [http://www.wisegeek.com/what-is-styrene-butadiene-rubber.htm What is syrene-butadiene rubber] from Wisegeek</ref> Industrial manufacture began during World War II,  and was used extensively by the [[U.S. Synthetic Rubber Program]] to produce {{anchor|Government Rubber-Styrene}}Government Rubber-Styrene (GR-S) to replace the [[Southeast Asia]]n supply of natural rubber which, under Japanese occupation, was unavailable to [[Allies of World War II|Allied nations]].<ref>{{cite journal |last1=Wendt |first1=Paul |year=1947 |title=The Control of Rubber in World War II |journal= Southern Economic Journal |volume=13 |issue=3 |pages=203–227 |publisher=[[Southern Economic Association]] |doi = 10.2307/1053336|jstor=1053336 }}</ref><ref>{{cite web|title=Rubber Matters: Solving the World War II Rubber Problem & Collaboration|url=http://www.chemheritage.org/research/policy-center/oral-history-program/projects/rubber-matters/02-wartime-crisis.aspx?page=2|publisher=[[Chemical Heritage Foundation]]|access-date=24 June 2013|archive-url=https://web.archive.org/web/20141205004544/http://www.chemheritage.org/research/policy-center/oral-history-program/projects/rubber-matters/02-wartime-crisis.aspx?page=2 |archive-date = December 5, 2014}}</ref>