About: http://webisa.webdatacommons.org/40365582

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	Polyolefins such as polyethylene and polypropylene, are produced through polymerization, which requires unique catalysts designed for each type of plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	elsevier.com