About: http://webisa.webdatacommons.org/209063013

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The presence of a small amount of a vinyl aromatic helps with the polymerization, making it faster, and also helps butadiene to polymerize with other monomers, such as acrylonitrile.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com