Nucleation ability of multiwall carbon nanotubes in polypropylene composites

The nonisothermal crystallization of multiwall carbon nanotube (MWNT)/isotactic polypropylene (iPP) nanocomposites was investigated. The results derived from the differential scanning calorimetry curves (onset temperature, melting point, supercooling, peak temperature, half‐time of crystallization,...

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Veröffentlicht in:Journal of polymer science. Part B, Polymer physics Polymer physics, 2003-03, Vol.41 (5), p.520-527
Hauptverfasser: Assouline, E., Lustiger, A., Barber, A. H., Cooper, C. A., Klein, E., Wachtel, E., Wagner, H. D.
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container_end_page 527
container_issue 5
container_start_page 520
container_title Journal of polymer science. Part B, Polymer physics
container_volume 41
creator Assouline, E.
Lustiger, A.
Barber, A. H.
Cooper, C. A.
Klein, E.
Wachtel, E.
Wagner, H. D.
description The nonisothermal crystallization of multiwall carbon nanotube (MWNT)/isotactic polypropylene (iPP) nanocomposites was investigated. The results derived from the differential scanning calorimetry curves (onset temperature, melting point, supercooling, peak temperature, half‐time of crystallization, and enthalpy of crystallization) were compared with those of neat iPP. The data were also processed according to Ozawa's theory and Dobreva's approach. These results and X‐ray diffraction data showed that the MWNTs acted as α‐nucleating agents in iPP. Accordingly, MWNT/iPP was significantly different from neat iPP: A fibrillar morphology was observed instead of the usual spherulites. © 2003 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 41: 520–527, 2003
doi_str_mv 10.1002/polb.10394
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source Wiley Online Library Journals Frontfile Complete
subjects Applied sciences
carbon nanotubes
Composites
crystallization
Exact sciences and technology
Forms of application and semi-finished materials
morphology
nanocomposites
poly(propylene) (PP)
Polymer industry, paints, wood
Technology of polymers
title Nucleation ability of multiwall carbon nanotubes in polypropylene composites
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