Assertion: polyester | /r/HasProperty | polymer
Facets:
value: chemically
type: MANNER
Source sentences:
text: Chemically, polyester is a polymer primarily composed of compounds within the ester functional group.
text: Polyester is a polymer that is comprised of a long chain of esters, resulting from the chemical reaction between an alcohol and an acid.
text: Polyester is a polymer produced from coal, air, water, and petroleum products.
text: Polyester is a polymer, or a long chain of repeating molecular units.