Self-healing plastic

Self-healing plastic

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This image is part of the feature Self-Healing Plastic

Credit: SCOTT WHITE/UIUC/SCIENCE PHOTO LIBRARY

Caption: Self-healing plastic. Light micrograph of microcapsules (red circles) released from a self- repairing plastic. Some of them have repaired a crack (solid red area) in the plastic. The plastic could be used in spacecraft or surgical implants that would otherwise be hard to repair. It is a polymer composite made of reinforcing fibres and microcapsule-containing epoxy resin. Damage to the plastic ruptures the microcapsules, causing the repair fluid they hold to leak out. A catalyst (black dots) in the resin converts the fluid into a tough solid polymer. The plastic was made by a team from the University of Illinois, USA, led by Scott White. Magnification: x30 at 5x7cm size.

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Keywords: agent, american, broken, catalyst, cracked, damaged, engineering, epoxy, healed, healing fluid, light micrograph, microcapsules, new materials technology, polymer composite, repaired, repairing, self-healing plastic, self-repairing, split, tear, torn, united states, university of illinois, usa

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