Assertion: kraft lignin | /r/HasProperty | sw-a
Facets:
Source sentences:
text: Three different types of general purpose rubber, including nitrile butadiene (NBR), styrene butadiene (SBR), and butadiene (BR), were studied for melt-phase reaction with a softwood Kraft-processed lignin (SW-A) in a Brabender internal mixer.
text: Kraft softwood lignin (SW-A) is mixed with NBR 41%, the morphology has dominant 1 - 2 μιη sized lignin domains in contrast to the interpenetrating network observed with SW-B lignin.