Assertion: lignin | /r/HasProperty | obtained
Facets:
value: from black liquor
type: OTHER
value: from softwood kraft
type: OTHER
Source sentences:
text: One of the many reasons for the difficulties encountered in the production of useful polymeric products is the fact that the technical processes by which lignin is obtained, alter its macromolecular structure in such a fashion as to reduce its reactivity.
text: The lignin was obtained from black liquor, which is a residue of the paper industry.
text: The lignin was obtained from black liquor, which is a residue of the paper industry.
text: In each case, the degree of ozone absorption was 12%, and the lignin used was obtained from softwood kraft