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Characteristics and Mechanicals Potentials of Wood Adhesives Manufactured with Grasses’ Lignins
Department of Mechanical Engineering Petroleum and Gas, Faculty of Mines and Petroleum Industries, University of Maroua, Kaélé, Cameroon
Departement of Mechanical Engineering and Materials, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
Laboratory of Mechanics and Civil Engineering, National Advanced School of Engineering, University of Yaoundé 1, Yaoundé, Cameroon
ENSTIB-LERMAB, University of Lorraine, Epinal, France
Laboratory of Mechanics and Civil Engineering, National Advanced School of Engineering, University of Yaoundé 1, Yaoundé, Cameroon
- 1 Department of Mechanical Engineering Petroleum and Gas, Faculty of Mines and Petroleum Industries, University of Maroua, Kaélé, Cameroon
- 2 Departement of Mechanical Engineering and Materials, National Advanced School of Engineering, University of Maroua, Maroua, Cameroon
- 3 Laboratory of Mechanics and Civil Engineering, National Advanced School of Engineering, University of Yaoundé 1, Yaoundé, Cameroon
- 4 ENSTIB-LERMAB, University of Lorraine, Epinal, France
- 5 Laboratory of Mechanics and Civil Engineering, National Advanced School of Engineering, University of Yaoundé 1, Yaoundé, Cameroon
Journal of Materials Science and Chemical Engineering·Volume 07 (2019)·Pages 35–47·Published 18 January 2019·DOI10.4236/msce.2019.71004
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Abstract
In order to manufacture environmentally friendly particle boards and enhance local resources, the lignins of Sorghum bicolor and Andropogon gayanus characterized using RMN 13 C and MALDI TOF have the same structures. They contents Guaiacyl (G), Syringyl (S), p-hydroxyphenylpropane (H) and functional groups of phenols, flavonoids and secondary alcohols. The total phenol content determinated using Folin-Ciocalteu reagent is respectively 20.97 and 15.42 mg eqgallic acid/g of extract. The power of their adhesives is different. The Internal Bond (IB) of particleboards manufactured with these adhesives are respectively 0.37 MPa and 0.41 MPa. These lignins can be used as antioxydants.
KeywordsLignins<i>Sorghum bicolor</i>and <i>Andropogon gayanus</i>StructuresAdhesivesInternal BondAntioxydants
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