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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 2/2015

01.02.2015 | Original Paper

Strain-induced crystallization of natural rubber/zinc dimethacrylate composites studied using synchrotron X-ray diffraction and molecular simulation

verfasst von: Yijing Nie

Erschienen in: Journal of Polymer Research | Ausgabe 2/2015

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Abstract

Natural rubber (NR) reinforced by in situ polymerization of zinc dimethacrylate (ZDMA) exhibits excellent mechanical properties. However, the corresponding reinforcement mechanism is still unclear. Using synchrotron wide-angle X-ray diffraction (WAXD) measurements, we observed that strain-induced crystallization of NR/ZDMA composites had a direct affect on the ultimate mechanical properties. An increase in ZDMA fraction resulted in a lower strain at the onset of crystallization. Further analysis revealed that three factors contributed to the reduction in onset strain, including higher whole cross-linking density due to the emergence of ionic cross-linking clusters, strain amplification of nanodispersion of poly-ZDMA (PZDMA), and the confinement effect of the filler network. The results of dynamic Monte Carlo simulation showed that the confinement effect of the filler network on chain segments favored segmental orientation in regions near the polymer–filler interface, thus inducing a decline in onset strain.
Nächster Artikel The effect of polypropylene-graft-maleic anhydride on the morphology and dynamic mechanical properties of polypropylene/polystyrene blends

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Metadaten
Titel
Strain-induced crystallization of natural rubber/zinc dimethacrylate composites studied using synchrotron X-ray diffraction and molecular simulation
verfasst von
Yijing Nie
Publikationsdatum
01.02.2015
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 2/2015
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-014-0642-x

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