Properties of Self Healing Films in a

Stretched State

Richard Niederecker, Saddleback College

Microgel

Primary Monomer: N-Isopropylacrylamide (NIPAm)

Secondary Monomer: Acrylic Acid (AAc)

Crosslinker: Methylenebis(acrylamide) (BIS)

Film Construction

Anionic/Cationic interactions

Anionic: Microgel

Cationic: Polydiallyldimethylammonium chloride (PDADMAC)

Deformation by Bending

Healing in the presence of H2O

Spears, M. W., Herman, E. S., Gaulding, J. C., and Lyon, L. A. (2014) Dynamic Materials from Microgel Multilayers, Langmuir, 30 (22), pp 6314–6323

Before Deformation After Deformation After Healing