Assertion: lignin | /r/HasProperty | prepared in such a way
Facets:
Source sentences:
text: The lignin has to be prepared in such a way to have a low enough melt flow temperature (T s , the softening temperature at which liquid flow is observed under low shear) for it to be melt spun without polymerizing during extrusion, but a high enough T g for fiber stabilization to proceed at an acceptable rate.