
Keywords: لیگنین کرافت; KL; Kraft lignin; Ph-OH; Phenolic hydroxyl; PP; Polypropylene; KL-AC; Acetylated Kraft lignin; pyr-KL; Aminolysis of acetylated Kraft lignin; DPPH; 1,1-Diphenyl-2-picrylhydrazyl; OIT; Oxidation induction time; Lignin; Selective aminolysis; Polypropylene;