期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 163, 期 -, 页码 201-212出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2015.07.030
关键词
Organic compounds; Metals; Corrosion test; Adsorption
资金
- CPER Structuration du Pole de Competitivite Fibres Grand'Est
- Universiti Sains Malaysia [1001/PKIMIA/854002]
- Ministry of High Education (MOHE) of Malaysia
- Ministere Affaires Etrangeres de France
- French National Research Agency through the Laboratory of Excellence ARBRE [ANR-12- LABXARBRE-01]
This article describes that the modification of lignin by incorporation of aromatic scavengers (2-naphthol: AHN EOL and 1,8-dihydroxyanthraquinone: AHD EOL) during delignification process has improved the physical properties of the lignin fractions. Smaller fragments of lignin with high phenolic -OH content, increased solubility and antioxidant activity have led to improved inhibitive property of the modified lignin. The inhibition efficiency (84-93%) of both modified lignin (500 ppm) were observed to be better than unmodified organosolv lignin (EOL). It was deduced that the inhibition process was spontaneous and the inhibitors were mainly physically adsorbed onto the mild steel surface. (C) 2015 Elsevier B.V. All rights reserved.
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