Assertion: lignin's derivative | /r/HasProperty | uv absorber
Facets:
Source sentences:
text: A dual component system that has been thoroughly examined and that efficiently inhibits yellowing of mechanical pulps is the system consisting of a benzotriazole derivative (UV absorber) and a hindered nitroxide radical scavenger (4-hydroxy-2,2,6,6-tetramethyl-piperidine-1-oxyl) (McGarry et al. 2000; Beaton and Argyropoulos 2001; Yuan et al. 2002; 2003).