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Cited by 175

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Preparation of Dynamic Covalent Polymers via Inverse Vulcanization of Elemental Sulfur

Griebel, Jared J., Nguyen, Ngoc A., Astashkin, Andrei V., Glass, Richard S., Mackay, Michael E., Char, Kookheon, Pyun, Jeffrey·2014·ACS Macro Letters

Abstract

The synthesis of dynamic covalent polymers with controllable amounts of sulfur–sulfur (S–S) bonds in the polymer backbone via inverse vulcanization of elemental sulfur (S 8 ) and 1,3-diisopropenylbenzene (DIB) is reported. An attractive feature of the inverse vulcanization process is the ability to control the number and dynamic nature of S–S bonds in poly(sulfur- random -(1,3-diisopropenylbenzene)) (poly(S- r -DIB) copolymers by simple variation of S 8 /DIB feed ratios in the copolymerization. S–S bonds in poly(S- r -DIB) copolymers of high sulfur content and sulfur rank were found to be more dynamic upon exposure to either heat, or mechanical stimuli. Interrogation of dynamic S–S bonds was conducted in the solid-state utilizing electron paramagnetic resonance spectroscopy and in situ rheological measurements. Time-dependent rheological property behavior demonstrated a compositional dependence of the healing behavior in the copolymers, with the highest sulfur (80 wt % sulfur) content affording the most rapid dynamic response and recovery of rheological properties.

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Metadata

Authors
Griebel, J. J., Nguyen, N. A., Astashkin, A. V., Glass, R. S., Mackay, M. E., Char, K., & Pyun, J.
Venue
ACS Macro Letters
Published
2014-11-26
Volume
3
Issue
12
Pages
1258-1261
ISSN
2161-1653 (ISSN-L)
OpenAlex
W2312727479
Cited by
175
References
3
FWCI
6.90
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Preparation of Dynamic Covalent Polymers via Inverse Vulcanization of Elemental Sulfur. https://app.cochat.ai/papers/10.1021/mz500678m
The paper
Griebel, J. J., Nguyen, N. A., Astashkin, A. V., Glass, R. S., Mackay, M. E., Char, K., & Pyun, J. (2014). Preparation of Dynamic Covalent Polymers via Inverse Vulcanization of Elemental Sulfur. ACS Macro Letters. https://doi.org/10.1021/mz500678m

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