Session X46: Invited Session: Deformation and Fracture of Soft Materials

2:30 PM–5:30 PM, Thursday, March 1, 2012
Room: 160AB

Sponsoring Unit: DPOLY
Chair: Kenneth Shull, Northwestern University

Abstract ID: BAPS.2012.MAR.X46.4

Abstract: X46.00004 : Self-healing polymers and mechanochemistry

4:18 PM–4:54 PM

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  Stephen Craig
    (Department of Chemistry, Duke University)

The forces that accompany macroscopic deformation and material failure are many orders of magnitude larger than the forces between the individual atoms of a molecule. The magnitude of macroscopic forces, in combination with the fact that they are directional, creates an opportunity to direct new, stress-responsive chemistry on demand in polymer materials. This talk will present studies of reactions under large, directional forces, and their applications in new classes of stress-responsive polymers, including a class of self-healing polymers in which mechanical activation of chemical reactions leads to improved structure and properties under conditions that are typically destructive to both.

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