Repairing Polymers Using Oscillating Magnetic Field

Marek W. Urban, University of Southern Mississippi

Originally published in Advanced Materials, Volume 21, Issue 48, pages 5011–5015, December 28, 2009

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Repair of physically separated thermoplastic polymers containing γ-Fe2O3 nanoparticles without sacrificing their mechanical properties is achieved by applying an oscillating magnetic field. As γ-Fe2O3 nanoparticles oscillate at the frequency of the magnetic field, localized amorphous flow occur, and a permanent repair of physically separated polymeric films is achieved.