Comparison of different techniques for the observation of the lamellar texture of isotactic polypropylene: TEM of surface replicas,TEM after staining,and SFM |
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| Authors: | Gerhard Goldbeck-Wood Hartmut Fischer Peter J. Barham |
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| Affiliation: | (1) H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, BS8 1TL Bristol, United Kingdom;(2) Present address: Department of Polymer Chemistry and Technology, TU Eindhoven, PO Box 513, 5600 MB Eindhoven, The Netherlands |
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| Abstract: | Summary In the present study three different techniques have been employed to observe the lamellar texture of isotactic polypropylene (iPP) crystallized from the melt under the influence of shearing: (a) Transmission electron microscopy (TEM) of surface replicas of permanganically etched samples (b) TEM of thin sections of Ruthenium-oxide stained samples and (c) Scanning force microscopy (SFM) in contact mode of permanganically etched samples. The aim was to assess their relative merits in terms of practicability, resolution and type of information. |
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