Journal Title : International Journal of Modern Trends in Engineering and Science
Paper Title : EXTRACTION AND CHARACTERIZATION OF ETHIOPIAN HIBISCUS MACRANTHUS BAST FIBER
Volume 04 Issue 10 2017
ISSN no: 2348-3121
Page no: 5-10
Abstract – Hibiscus macranthus is one of family Malvaceae and genus Hibiscus plant which grows mainly in western part of Ethiopia. Hibiscus macranthus is the most adaptable and abundant plant in the nation, which are used as an ornamental plant often a hedge or fence plant, and used as a firewood after harvesting the stem together with the bark, and used also as a fiber for tying different kinds of things by forming rope. However, Hibiscus macranthus plant fiber has not been commercially exploited and extracted properly. This study of work describes the possibility of mechanical and retting methods of Hibiscus macranthus fiber extraction and characterization. Hibiscus macranthus fiber is a bast fiber which obtained naturally from the stem or stalks of dicotyledonous plant since it is a natural cellulose plant fiber. And the fiber characterized by studying its physical and chemical properties. The physical characteristics were investigated as follows, including length of 100-190mm, fineness of 1.0-1.2Tex, diameter under X100 microscopic view 16-21microns, moisture content of 12.46% and dry tenacity of 48-57cN/Tex along with breaking extension of 0.9-1.6%. Hibiscus macranthus fiber productivity was observed that 12-18% of the stem out of which more than 65% is primary long fibers. The fiber separation methods prove decreasing of non-cellulose ingredients in the order of mechanical, water and chemical methods. The color measurement also shows the raw Hibiscus macranthus fiber has a natural golden color according to YID1925 and paler look under both retting methods than mechanical separation. Finally, it is suggested that Hibiscus macranthus fiber can be used for manufacturing of natural and organic crop and coffee packages as well as super absorbent, fine and high tenacity textile products.
Keywords – Hibiscus Macranthus, Bast Fiber, Extraction, Characterization, FT-IR
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