Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6754
Title: From Heterogeneous to Homogeneous Nucleation of Isotactic Poly(propylene) Confined to Nanoporous Alumina
Authors: Duran, Hatice
Steinhart, Martin
Butt, Hans Juergen
Floudas, George
Keywords: Nucleation
constrained crystallization
nanoporous alumina
isotactic polypropylene
calorimetry
Issue Date: 2011
Publisher: Amer Chemical Soc
Abstract: The crystallization of highly isotactic polypropylene confined in self-ordered nanoporous alumina is studied by differential scanning calorimetry. A transformation from a predominantly heterogeneous to predominantly homogeneous nucleation takes place if the pore diameter is smaller than 65 nm. Crystallization is suppressed with decreasing pore size, and the absence of nucleation below 20 nm pores indicates the critical nucleus size. The results reported here might enhance the understanding of nanocomposites containing semicrystalline polymers and reveal design criteria for polymeric nanofibers with tailored mechanical and optical pioperties.
URI: https://doi.org/10.1021/nl200153c
https://hdl.handle.net/20.500.11851/6754
ISSN: 1530-6984
1530-6992
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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