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Plastic, Heal Thyself
Kirt's Cogitations™ #146

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Plastic, Heal Thyself

Modeled after the way the human body heals itself, a new breed of plastics is on the horizon that can not only heal micro-cracks, but prevent the propagation of a crack in progress. Headed by a team at the U. of Illinois, the self-healing plastics incorporate small capsules that release a healing agent when a crack forms. The agent travels to the break through small capillaries that simulate how blood flows to a wound. Polymerization is triggered automatically when the healing agent makes contact with a catalyst embedded in the plastic. The reaction forms a polymer to repair the broken edges of the material. The rounded capsules act as stress relief points to arrest crack propagation.

Werbel Microwave (power dividers, couplers)
Innovative Power Products (IPP) Directional Couplers



Anritsu Test Equipment - RF Cafe