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6396777 
Journal Article 
Studies on a cationically modified quaternary ammonium salt of lignin 
Yang Ai-li; Jiang Wen-ju 
2007 
Yes 
Chemical Research in Chinese Universities
ISSN: 1005-9040 
Elsevier 
23 
479-482 
quaternary ammonium salt of lignin(QL); cationic monomer; grafting copolymerization; flocculation