TEKSTIL VE KONFEKSIYON, cilt.33, sa.4, ss.313-321, 2023 (SCI-Expanded)
The
objective of the present research was to investigate the efficiency of alkali
treatment in degumming of banana fibers. The fibers were exposed to alkali
aqueous solutions at different concentrations changing from 5 to 20 wt%. The
efficiency of the alkali treatments was analyzed with the help of optical
observations, fiber diameter measurement, single fiber tensile test and
determination of pectin component. The chemical, crystalline, thermal and
morphological properties of the fibers were also examined. FTIR analyses proved
the removal of non-cellulosic components such as hemicellulose and lignin after
alkali treatment. Fiber diameter decreased with increasing alkali
concentration. Tensile properties and crystallinity index are correlated with
alkali concentration. However, the cellulose structure of the banana fiber was
altered with alkali treatments at 15 and 20 wt% concentrations. Microscopic
observations revealed the appearance of single elementary fibers from the fiber
bundle of the banana. These experimental findings suggested that alkali
treatment can play a promising role to prepare lignocellulosic fibers for
textile applications.