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Thermoreversible and remendable glass–polymer interface for fiber-reinforced composites
Journal article   Open access   Peer reviewed

Thermoreversible and remendable glass–polymer interface for fiber-reinforced composites

Amy M Peterson, Robert E Jensen and Giuseppe R Palmese
Composites science and technology, v 71(5), pp 586-592
2011
url
https://doi.org/10.1016/j.compscitech.2010.11.022View
Published, Version of Record (VoR) Open

Abstract

B. Interphase A. Functional composites B. Fiber/matrix bond A. Coupling agents
Adhesion of the reinforcement to the polymer matrix is essential for load transfer from the polymer matrix to the reinforcement material in fiber-reinforced composites. The reversible Diels–Alder reaction between a furan-functionalized epoxy-amine thermosetting matrix with a maleimide-functionalized glass fiber was used to impart remendability at the polymer–glass interface for potential application in glass fiber-reinforced composites. At room temperature the Diels–Alder adduct is formed spontaneously and above 90 °C the adduct breaks apart to reform the original furan and maleimide moieties. Healing of the interface was investigated with single fiber microdroplet pull-out testing. Following complete failure of this interface, significant healing was observed, with some specimens recovering over 100% of the initial properties. Healing efficiency was not affected by the distance of displacement, with an overall average of 41% healing efficiency. Up to five healing cycles were successfully achieved. It is expected that a glass fiber-reinforced composite of maleimide-sized glass within a furan-functionalized network will demonstrate extension of fatigue life.

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Collaboration types
Domestic collaboration
Web of Science research areas
Materials Science, Composites
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