Abstract
The plastic deformation of syndiotactic polypropylene (sPP) bulk samples has been investigated. A structural comparison of the initial states before and after plastic deformation by necking is carried out by X-ray diffraction observations. Independent of the initial states (amorphous, semi-crystalline with different crystal phases), only the planar all-trans crystal form of sPP is present in the deformed samples after necking. Form these results, molecular mechanisms of the plastic deformation in the neck zone of semi-crystalline polymers will be discussed.
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Petermann, J., Loos, J. & Waldöfner, A. On the plastic deformation of bulk syndiotactic polypropylene. Colloid Polym Sci 275, 1088–1092 (1997). https://doi.org/10.1007/s003960050188
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DOI: https://doi.org/10.1007/s003960050188