화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2010년 가을 (10/21 ~ 10/22, 대전컨벤션센터)
권호 16권 2호, p.1317
발표분야 공업화학
제목 Study on antibiosis of nano-lignin extracted from wood materials by an organic solvent
초록 Recently, there is increasing interest in the improvement of quality of life that lead to eco-friendly technology demands. One of the technologies is anti-bacterial characteristics which are widely used in public place, for children, hospital and so on.
From the wood powder, extract residue with 96% dioxanethen evaporating solvent. To achieve the precipitation by pH 2.5 and filtration for lignin which is the bulk material. This extracted lignin is polymer state that can’t conduct being an anti-bacterial agent because of molecular size, too big for anti-bacterial agent. We need to restrain the molecular size under 200 nm. Make the lignin solution with NaOH and nitrobenzene under heating for 3 h that break the lignin polymer to be smaller and then to remove the solvent, add water and ether. This lignin agent shows the anti-bacterial works. We can observe that lignin based anti-bacterial agent suppress the E. Coli completely under 12 h.
In this study, lignin was obtained by the organosolv method to be used in making anti-bacterial agent because they have small particle which is meeting the antimicrobial conditions.
저자 박지웅, 김문선, 정동혁, 김병우
소속 성균관대
키워드 lignin; antibiosis
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