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Title: Confined crystallization phenomena in immiscible polymer blends with dispersed micro-and nanometer sized PA6 droplets part 4: polymorphous structure and (meta)-stability of PA6 crystals formed in different temperature regions
Authors: Tol, RT ×
Mathot, Vincent
Reynaers, Harry
Goderis, Bart
Groeninckx, Gabriƫl #
Issue Date: Jan-2005
Publisher: Elsevier sci ltd
Series Title: Polymer vol:46 issue:9 pages:2966-2977
Abstract: The genesis and stability of different PA6 crystalline polymorphs, dispersed as micro- and submicrometer sized droplets inside an amorphous polymer matrix, are discussed over a very broad temperature range. Different PA6 droplet sizes lead to different PA6 crystallization events in a 100 degrees C wide temperature window that extends down to 85 degrees C. Static WAXD and DSC experiments on micrometer sized PA6 droplets indicate the formation of a stable gamma-crystal phase in the region between 175 and 130 degrees C. Sub-micrometer sized PA6 droplets only crystallize at 85 degrees C in the beta-phase. Upon heating above the PA6 glass transition. these crystals progressively increase their perfection and ultimately transform into the alpha-phase around 170 degrees C. (c) 2005 Elsevier Ltd. All rights reserved.
ISSN: 0032-3861
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Chemistry - miscellaneous
Polymer Chemistry and Materials
× corresponding author
# (joint) last author

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