About: http://webisa.webdatacommons.org/436698173

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	When temperatures below the boiling point of the hydrocarbon or chlorinated hydrocarbon liquid are employed it is usually necessary to carry out the polymerization in an atmosphere of an inert gas such as nitrogen or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com