Assertion: lignin | /r/HasProperty | characterized as amorphous heterogenic polymer
Facets:
value: with three types of hydroxyl groups
type: OTHER
value: from a structural point of view
type: OTHER
Source sentences:
text: From a structural point of view, lignin can be characterized as an amorphous heterogenic polymer with high contents of aromatic units in its structure and three types of hydroxyl groups (aliphatic, phenolic, and carboxylic).