Crystallization behaviors and mechanical properties of poly(ethylene 2,6-naphthalate)/multiwall carbon nanotube nanocomposites
- Authors
- Kim, Jun Young; Han, Sang II; Kim, Seong Hun
- Issue Date
- Nov-2007
- Publisher
- JOHN WILEY & SONS INC
- Citation
- POLYMER ENGINEERING AND SCIENCE, v.47, no.11, pp.1715 - 1723
- Indexed
- SCIE
SCOPUS
- Journal Title
- POLYMER ENGINEERING AND SCIENCE
- Volume
- 47
- Number
- 11
- Start Page
- 1715
- End Page
- 1723
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179366
- DOI
- 10.1002/pen.20789
- ISSN
- 0032-3888
- Abstract
- Carbon nanotube (CNT)-reinforced poly(ethylene 2,6-naphthalate) (PEN) nanocomposites were prepared by direct melt blending process in a twin-screw extruder. There is significant dependence of the crystallization and melting behavior of PEN/CNT nanocomposites on CNT content and crystallization temperature. The incorporation of CNT may favor the formation of the beta-form crystals in PEN/CNT nanocomposites, and more CNT content amplified this effect. In this PEN/CNT nanocomposite system, the CNT promoted the nucleation and the growth with higher crystallization rate of PEN/CNT nanocomposites, and simultaneously reduced the fold surface free energy and the work required in folding polymer chains in the polymer nanocomposites. In addition, the incorporation of a very small quantity of CNT significantly improved the mechanical properties of PEN/CNT nanocomposites.
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