Volume 128, 2005
From the journal:

Faraday Discussions

Oriented primary crystal nucleation in lamellar diblock copolymer systems

Wenbing Hua  and  Daan Frenkela  

a FOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands

Abstract

We report a numerical study of the primary crystal nucleation of diblock copolymers in a lamellar phase. Only one of two polymer blocks is crystallizable; the other is maintained in a glassy state. We find that crystals in this lamellar geometry tend to nucleate with the chain axis perpendicular to the lamellar plane. However, if in the same lamellar structure, we break the junction between the crystallizable and non-crystallizable blocks of the polymers, we find that crystallites tend to align parallel to the lamellar plane. This observation clarifies the molecular origin of the competition between parallel and perpendicular crystallite orientations in real block-copolymer systems.

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Article information

DOI
https://doi.org/10.1039/B403003F
Article type
Paper
Submitted
01 Mar 2004
Accepted
24 May 2004
First published
10 Aug 2004

Faraday Discuss., 2005,128, 253-260

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Oriented primary crystal nucleation in lamellar diblock copolymer systems

W. Hu and D. Frenkel, Faraday Discuss., 2005, 128, 253 DOI: 10.1039/B403003F

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