Reversibly cross-linked polymer gels as healing agents for epoxy-amine thermosets

Amy M. Peterson; Robert E. Jensen; Giuseppe R. Palmese

doi:10.1021/am900104w

Reversibly cross-linked polymer gels as healing agents for epoxy-amine thermosets

Amy M. Peterson, Robert E. Jensen, Giuseppe R. Palmese

Research output: Contribution to journal › Article › peer-review

102 Scopus citations

Abstract

The Diels-Alder reaction was used to develop a reversibly cross-linking gel as a healing agent for traditional epoxy-amine thermosets. Direct application of the reversibly cross-linking network to a crack surface in an epoxy-amine thermoset resulted in the recovery of 37% of the initial epoxy-amine networks strength. Composites in which the reversibly cross-linking gel was incorporated as a secondary particulate phase recovered 21% of the initial composite strength after the first healing cycle, with healing possible up to five times.

Original language	English (US)
Pages (from-to)	992-995
Number of pages	4
Journal	ACS Applied Materials and Interfaces
Volume	1
Issue number	5
DOIs	https://doi.org/10.1021/am900104w
State	Published - May 27 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science

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10.1021/am900104w

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AB - The Diels-Alder reaction was used to develop a reversibly cross-linking gel as a healing agent for traditional epoxy-amine thermosets. Direct application of the reversibly cross-linking network to a crack surface in an epoxy-amine thermoset resulted in the recovery of 37% of the initial epoxy-amine networks strength. Composites in which the reversibly cross-linking gel was incorporated as a secondary particulate phase recovered 21% of the initial composite strength after the first healing cycle, with healing possible up to five times.

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Reversibly cross-linked polymer gels as healing agents for epoxy-amine thermosets

Abstract

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