About: http://webisa.webdatacommons.org/444624343

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 polymer materials utilized must include functional groups such as carboxy, hydroxy, isocyanate, thioether or mercapto groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com