Reversal phenomena of molten immiscible polymer blends during creep-recovery in shear

Pan Y, Liu XH, Kaschta J, Liu C, Schubert DW (2017)

Publication Status: Published

Publication Type: Journal article

Publication year: 2017

Journal

Publisher: JOURNAL RHEOLOGY AMER INST PHYSICS

Book Volume: 61

Pages Range: 759-767

Journal Issue: 4

DOI: 10.1122/1.4985005

Abstract

In this work, the creep- recovery behavior of immiscible poly (styrene)/poly (methyl methacrylate) blends and their pure components in the molten state were systematically investigated. A stationary plateau in the recoverable compliance of pure components is observed. Unexpectedly, for immiscible polymer blends, the recoverable compliances show different phenomena. For blends with a fine co-continuous morphology, the recoverable compliances exhibit a one-reversal phenomenon, whereas a two-reversal phenomenon is found in the blends with a sea-island morphology. Moreover, these reversal behaviors become less pronounced with decreasing temperature, increasing creep stress, increasing annealing time, or incorporation of nanoparticles. Three competitive effects, i.e., the recovery of oriented polymer matrix, the interfacial tension which drives the deformed droplets to their equilibrium shape, and the phase coarsening process, are used here to explain the different behaviors. (C) 2017 The Society of Rheology.

Authors with CRIS profile

Involved external institutions

Zhengzhou University / 郑州大学 China (CN)

How to cite

APA:

Pan, Y., Liu, X.H., Kaschta, J., Liu, C., & Schubert, D.W. (2017). Reversal phenomena of molten immiscible polymer blends during creep-recovery in shear. Journal of Rheology, 61(4), 759-767. https://doi.org/10.1122/1.4985005

MLA:

Pan, Yamin, et al. "Reversal phenomena of molten immiscible polymer blends during creep-recovery in shear." Journal of Rheology 61.4 (2017): 759-767.

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