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Combined roles of temperature and humidity on cure of a silicone elastomer

Elsmore, Matthew T.; De Focatiis, Davide S.A.

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Authors

Matthew T. Elsmore



Abstract

A study of the cure kinetics of a one-part water-scavenging silicone elastomer was carried out under conditions of controlled humidity and temperature using rectangular bars subjected to oscillatory torsional shear. Characteristic cure times were obtained from Hsich model fits to the storage modulus evolution. A modified Arrhenius-style cure model is proposed that accounts for both the temperature dependence and for the proportionality between rate of cure and concentration of atmospheric water. The 2-parameter model is fitted to a broad dataset and allows accurate predictions of cure times.

Citation

Elsmore, M. T., & De Focatiis, D. S. (2021). Combined roles of temperature and humidity on cure of a silicone elastomer. Polymer Testing, 93, 106967. https://doi.org/10.1016/j.polymertesting.2020.106967

Journal Article Type Article
Acceptance Date Nov 17, 2020
Online Publication Date Nov 20, 2020
Publication Date 2021-01
Deposit Date Jan 22, 2021
Publicly Available Date Mar 29, 2024
Journal Polymer Testing
Print ISSN 0142-9418
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 93
Pages 106967
DOI https://doi.org/10.1016/j.polymertesting.2020.106967
Keywords Organic Chemistry; Polymers and Plastics
Public URL https://nottingham-repository.worktribe.com/output/5251107
Publisher URL https://www.sciencedirect.com/science/article/pii/S0142941820321966
Additional Information This article is maintained by: Elsevier; Article Title: Combined roles of temperature and humidity on cure of a silicone elastomer; Journal Title: Polymer Testing; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.polymertesting.2020.106967; Content Type: article; Copyright: © 2020 The Authors. Published by Elsevier Ltd.

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