Assertion: lignin | /r/HasProperty | phenolic foam
Facets:
Source sentences:
text: Keywords: Lignin; Phenol; Formaldehyde; Polymeric foams; Phenolic foam
text: Lignin is a phenolic polymer that imparts strength and decay resistance to the plant secondary cell wall and is thought to have been essential to the evolution of terrestrial plants (1, 2).
text: Lignin is a phenolic biopolymer, distributed throughout the cell wall and highly accumulated in the compound middle lamella and in the cell wall corners ( Figure 2 a, right).