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Title: Multi-scaled microstructures in natural rubber characterized by synchrotron X-ray scattering and optical microscopy
Authors: Shigeyuki Toki
Christian Burger
Benjamin S. Hsiao
Sureerut Amnuaypornsri
Jitladda Sakdapipanich
Yasuyuki Tanaka
Stony Brook University
Mahidol University
Keywords: Chemistry;Materials Science;Physics and Astronomy
Issue Date: 15-Nov-2008
Citation: Journal of Polymer Science, Part B: Polymer Physics. Vol.46, No.22 (2008), 2456-2464
Abstract: Multi-scaled microstructures induced by natural impurities (i.e., proteins, phospholipids, carbohydrates) in natural rubber (NR) were investigated by synchrotron small-angle X-ray scattering (SAXS), wide-angle X-ray diffraction (WAXD), and optical microscopy using several kinds of untreated and chemically treated un-vulcanized samples. These microstructures include large aggregates (size less than 50 μm), well-defined crystals (size less than a few 10 μm), and micelles (size much less than 10 μm). In un-vulcanized NR samples, even though the concentrations of natural impurities are relatively low, the dispersion of these microstructures significantly affects the mechanical properties. © 2008 Wiley Periodicals, Inc.
ISSN: 08876266
Appears in Collections:Scopus 2006-2010

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