Assertion: carboxymethyl cellulose | /r/HasProperty | abundant polymers
Facets:
value: naturally
type: MANNER
Source sentences:
text: Carboxymethyl cellulose (CMC) and chitosan are naturally abundant polymers that have been utilized as proton conducting polymers for many years due to their desirable attributes such as renewable, biodegradable, biofunctional, non-toxic, environmentally/ecologically friendly materials and were reported to have strong antibacterial activities .