Confinement Induced First Order Crystallization Kinetics for the Poly(ethylene oxide) Block within A PEO‐b‐PB Diblock Copolymer Infiltrated within Alumina Nano‐Porous Template

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 2014 English Publisher:WileyJournal:Macromolecular Symposia, volume 337, pages 109-115 (issn: 1022-1360, eissn: 1521-3900,

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Authors: Michell, Rose Mary; Blaszczyk-Lezak, Iwona; Mijangos, Carmen; Müller, Alejandro J.;

doi: 10.1002/masy.201450313

handle: 10261/97419

Confinement Induced First Order Crystallization Kinetics for the Poly(ethylene oxide) Block within A PEO‐b‐PB Diblock Copolymer Infiltrated within Alumina Nano‐Porous Template

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Abstract

SummaryWe report homogeneous nucleation and first order crystallization kinetics for the PEO block within a PEO‐b‐PB diblock copolymer infiltrated within alumina nanopores. For the highly confined heterogeneity free PEO block nano‐domains, the overall crystallization kinetics is dominated by nucleation and therefore becomes first order. The nucleation mechanism changes from heterogeneous nucleation for the PEO block within the uninfiltrated copolymer (since it has a composition with 79% PEO that conforms a percolated matrix) to homogeneous nucleation for confined and isolated heterogeneity free nanodomains.

Related Organizations

Spanish National Research Council
Spain
Simón Bolívar University
Venezuela

Keywords

AAO templates, First order crystallization kinetics, Homogeneous nucleation, Confinement

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