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Title: Voltage activation of poly (ethylene glycol) diacrylate
Authors: Ghosh, Animesh
Meyyappan, Priyavadana
Steele, Terry W. J. 
Keywords: Engineering::Materials
Issue Date: 2022
Source: Ghosh, A., Meyyappan, P. & Steele, T. W. J. (2022). Voltage activation of poly (ethylene glycol) diacrylate. Progress in Organic Coatings, 165, 106770-.
Project: A1883c0001
2021-T1-001- 077
Journal: Progress in Organic Coatings
Abstract: Free radical polymerization of acrylate resins may be initiated by light or heat, but a direct electronic mode of activation is missing. Voltage activated free-radical polymerization would address this limitation if suitable electronic initiators are available. Herein, a selection of initiators and electrolytes investigate electronic initiation of diacrylate resins. Electrochemistry and rheometry are combined in a custom electrorheometer towards the evaluation of relevant structure property relationships. Viscoelastic material properties are measured as a function of voltage, chemical initiator, cumulative charge, and electrolyte. Upon cathodic activation, liquid to solid transitions with a maximum shear modulus of 139 kPa is observed while anodic activation failed to initiate gelation. Storage modulus and adhesion strength measurements demonstrate that voltage activation of acrylate resins is feasible, but further improvements in increasing crosslinking kinetics are needed before industrial applicability.
ISSN: 0300-9440
DOI: 10.1016/j.porgcoat.2022.106770
Rights: © 2022 Elsevier B.V. All rights reserved. This paper was published in Progress in Organic Coatings and is made available with permission of Elsevier B.V.
Fulltext Permission: embargo_20240507
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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