Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 37, Issue 3-4, Pages 133-136Publisher
ELSEVIER
DOI: 10.1016/j.colsurfb.2004.07.006
Keywords
persimmon leaves; surface properties; FT-Raman spectroscopy; wicking
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To fit the request of developing new biomaterials using persimmon leaves as raw material, this paper reported the surface free energy and related components, e.g. the Lifshitz-van der Waals and Lewis acid-base components for persimmon leaves estimated by means of the column wicking technique. Considering this natural material might be varied of its properties with growing area, a characterization of it was initially performed by applying the FT-Raman spectroscopy. Based on the determined results, persimmon leaves have greater surface free energy, gammas, than cellulose though it has been found rich in this component, e.g. of about 68.28%. Moreover, it was further observed that the contributed by the Lewis acid component, gamma(s)(+). This suggests that persimmon leaves have great Lewis acid-base interactions component, gamma(S)(AB), the persimmon leaves are available to convert to new biomaterials expected forms. (C) 2004 Elsevier B.V. All rights reserved.
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