Assertion: lignin | /r/HasProperty | coextruded
Facets:
Source sentences:
text: The literature can be separated into three main areas: (1) carbon fiber from lignins without any additives or chemical modifications applied prior to extrusion; (2) carbon fiber from lignins that were either coextruded, or chemically modified prior to extrusion; and (3) efforts directed towards the manufacture of submicron carbon fibers from lignin.