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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/16965

Title: Experimental and numerical study on transient elongational viscosity for PP/LDPE blends
Authors: Otsuki, Yasuhiko
Fujii, Yoko
Sasaki, Hiroko
Phulkerd, Panitha
Yamaguchi, Masayuki
Keywords: polypropylene
low-densitypolyethylene
elongational viscosity
numerical simulation
viscoelasticity
Issue Date: 2019-11-21
Publisher: Springer Nature
Magazine name: Polymer Journal
Volume: 52
Number: 5
Start page: 529
End page: 538
DOI: 10.1038/s41428-019-0286-0
Abstract: The transient uniaxial elongational viscosity for binary blends composed of polypropylene (PP) and low-density polyethylene (LDPE) was evaluated. A strain hardening behavior is detected for the blends, although LDPE is a dispersed phase. This behavior is attributed to LDPE dispersion deformation; the LDPE forms rigid fibers because of strain hardening. Rheological properties are calculated numerically by the Phan–Thien Tanner model by assuming a symmetric geometry with a periodic structure. Based on the simulation, we propose an appropriate LDPE to modify the processability of PP, at which the strain hardening in the elongational viscosity is required.
Rights: This is the author-created version of Springer, Yasuhiko Otsuki, Yoko Fujii, Hiroko Sasaki, Panitha Phulkerd, Masayuki Yamaguchi, Polymer Journal, 52(5), 2019, 529-538. The original publication is available at www.springerlink.com, https://doi.org/10.1038/s41428-019-0286-0
URI: http://hdl.handle.net/10119/16965
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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