Morphological study of melt-crystallized poly(ethylene terephthalate): B. Thin films

Thin spin-casted films of poly(ethylene terephthalate), isothermally crystallized from the melt, were studied by transmission electron microscopy. An amorphous substrate was used to get rid of unwanted nucleating influences. The lamellar scale information gained by this technique agrees well with re...

Full description

Saved in:
Bibliographic Details
Published in:Polymer (Guilford) 2003-12, Vol.44 (26), p.8053-8059
Main Authors: Haubruge, H.G., Daussin, R., Jonas, A.M., Legras, R.
Format: Article
Language:English
Subjects:
lamellar morphology
Polyethylene terephthalate
Spherulitic growth
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Thin spin-casted films of poly(ethylene terephthalate), isothermally crystallized from the melt, were studied by transmission electron microscopy. An amorphous substrate was used to get rid of unwanted nucleating influences. The lamellar scale information gained by this technique agrees well with results obtained on bulk samples despite important differences in morphology at the spherulitic scale. Starting from thin films of constant thickness, crystallization involves the migration of the polymer to the growing spherulites, resulting in the formation of polymer-depleted interspherulitic gaps. Isolated and stacked lamellae growing on top of terrace-like flat-on crystals are also noticed, allowing the direct observation of the crystalline-amorphous interphase.
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2003.10.031