Aaron C. Jackson, Jonathan A. Bartelt and Paul V. Braun Transparent Self-Healing Polymers Based on Encapsulated Plasticizers in a Thermoplastic Matrix Advanced Functional Materials 21
An optically transparent thermoplastic self-healing system based on a poly(methyl methacrylate) matrix containing dibutylphthalate filled capsules is reported. Index matching minimizes light scatter from the capsules or healed material in the polymer film. Healing occurs via a solvent welding mechanism initiated by release of dibutylphthalate from ruptured capsules. After healing, the optical properties, protective capabilities, and mechanical strength of the polymer film are recovered.
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