Property of ramie fiber degummed with Fenton reagent
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This paper investigated the performance and morphology of ramie fibers degummed using Fenton reagent. In order to deeply understand the reaction characteristics, SEM, XRD and FT-IR were employed to characterize the morphologies, chemical components and crystallinity of degummed fibers. Also, the physical and mechanical properties such as tenacity, breaking elongation, density, softness and degree of polymerization of degummed fibers were measured. The experimental results indicated that Fenton can serve as an effective oxidation degumming agent under weak acid condition. The new degumming method could remove more gummy components from raw ramie, whereas the cellulose content in treated fibers was further increased compared with the alkaline oxidation degumming. The fibers degummed using Fenton showed slight increase in tenacity and significant increase in density as well as breaking elongation comparing with alkaline oxidation degumming. The degummed fibers were also characterized in terms of SEM, XRD and FTIR which confirmed the effectiveness of the new degumming method.
KeywordsRamie fibers Oxidation degumming Fenton reagent Fiber properties Morphological structure
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- 19.C. Li, Z. Q. Wang, R. X. Sun, and A. Li, J. Donghua. Univ., 29, 450 (2012).Google Scholar