Journal
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION
Volume 23, Issue 3, Pages 260-270Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/1023666X.2018.1438773
Keywords
Crystallization; halloysite nanotubes; natural rubber; tensile strength; wide-angle X-ray scattering
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The correlation between the mechanical strength and the crystallization behavior of natural rubber (NR)/halloysite nanotubes (HNT) composites is discussed. The tensile strength of NR is improved with the addition of HNT. This improvement is attributed to the unique structure of HNT, which facilitates good dispersion and strong interfacial interaction. HNT also play an important role in assisting the strain-induced crystallization of NR. Crystallization under strain is observed using synchrotron wide-angle X-ray scattering. The stress-strain curves and the corresponding degree of crystallinity after straining provide further evidence. Based on these analyses, a mechanistic model for strain-induced crystallization and the evolution of the orientation of the network structure is proposed.
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