Self-Healing Polymeric Materials Using Epoxy/Mercaptan as the Healant

Citations Over TimeTop 1% of 2008 papers

Abstract

A self-healing system based on conventional epoxy resin was successfully developed in this work. Epoxy and its hardener mercaptan were microencapsulated as two-component healing agent, and then the microcapsules were embedded in epoxy matrix. Attractive healing effect can be acquired at low capsule content (e.g., 43.5% healing efficiency with 1 wt % capsules and 104.5% healing efficiency with 5 wt % capsules at 20 °C for 24 h). Since only a few healant proves to be sufficient for crack repairing, a better balance between strength and toughness restoration can thus be achieved. As a result of high flowability, fast consolidation, and molecular miscibility of the released healing agent consisting of epoxy and mercaptan, self-healing was allowed to proceed rapidly offering satisfactory repair effectiveness.

Related Papers

• → Compatibility and transesterification in binary polymer blends(1992)353 cited
• → Aspects of miscibility in poly(vinyl chloride)/epoxidized natural rubber blends. Part II: Dynamic mechanical properties(1994)27 cited
• → Miscibility with Asymmetrical Interactions in Blends of Two Carbonyl‐Containing Polymers: Poly(vinyl acetate) with Aliphatic Polyesters(2006)9 cited
• → Effect of Molecular Weight on Blend Miscibility(1984)8 cited
• → Miscibility and Crosslinking of Polybutadiene-Based Polyurethanes(2000)