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Issue 3, 2008
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Understanding crystal orientation in quasi-one-dimensional polymer systems

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Abstract

We performed molecular simulations of polymer crystallization confined in rigid nanotubes. We found that the neutrally repulsive walls of nanotubes enhance the crystal nucleation. This enhancement gives uniform crystal orientation parallel to the tube axis at high temperatures. However, the nanotube walls that are wetted by the polymer, i.e. ‘sticky’ walls, switch the dominant crystal orientation from parallel to perpendicular. Since only perpendicularly oriented crystals can grow along the tube to give high crystallinities, the sticky walls provide a promising route towards the mass production of uniformly oriented nanocrystals in quasi-one-dimensional polymer systems.

Graphical abstract: Understanding crystal orientation in quasi-one-dimensional polymer systems

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Article information


Submitted
02 Oct 2007
Accepted
10 Dec 2007
First published
04 Jan 2008

Soft Matter, 2008,4, 540-543
Article type
Paper

Understanding crystal orientation in quasi-one-dimensional polymer systems

Y. Ma, W. Hu, J. Hobbs and G. Reiter, Soft Matter, 2008, 4, 540
DOI: 10.1039/B715065B

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