About: http://webisa.webdatacommons.org/221327814

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	Polyester is a type of polymer that contain the ester functional group in the main chain.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org