Self healing composite material and method of manufacturing...

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/10 (2006.01) B01J 13/14 (2006.01) B29C 73/22 (2006.01) B32B 43/00 (2006.01) H04B 7/185 (2006.01)

Patent

CA 2606963

A self-healing material comprises a matrix embedded with micro-pockets of a healing-agent releasable by a crack in the matrix. The healing-agent is able to bond to the matrix to repair the crack. The healing-agent is contained in microcapsules. A corresponding catalyst for the healing-agent is embedded in the matrix and contained in a plurality of microcapsules as an emulsion. The emulsion comprises an oil, a perfluorated solvent, a hydrophobic ionic liquid, or mixtures thereof. A method of manufacturing the self-healing material comprises the steps of identifying an operational temperature range of the material, providing at least one substance as the healing-agent, which substance remaining substantially in a liquid state within the operational temperature range, identifying an operational evaporation rate of the healing-agent and providing the substance with a curing time according to the evaporation rate.

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