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Title: Tan-delta plateau in vitrimer-like polyurethanes
Authors: Wang, Tao Xi
Chen, Hong Mei
Li, Tong
Ng, Lucas Boon Siang
Xie, Hui
Xiao, Rui
Huang, Wei Min
Keywords: Engineering::Mechanical engineering
Issue Date: 2022
Source: Wang, T. X., Chen, H. M., Li, T., Ng, L. B. S., Xie, H., Xiao, R. & Huang, W. M. (2022). Tan-delta plateau in vitrimer-like polyurethanes. Materials Letters, 325, 132884-.
Journal: Materials Letters
Abstract: A vitrimer-like polyurethane is investigated for its Tan-delta plateau phenomenon (i.e., a quasi-steady high Tan-delta value over a long temperature range). It is concluded that this plateau is associated with cross-linking dissociation, but on the condition that this dissociation process should be over a long temperature range and right after a melting transition. While this plateau is rather stable at different oscillation strains and frequencies, the time–temperature equivalence of the dissociation process is confirmed to be applicable to this material.
ISSN: 0167-577X
DOI: 10.1016/j.matlet.2022.132884
Rights: © 2022 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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