articleJournal of the American Chemical SocietyOct 28, 2014Closed access

Self-Healing Multiphase Polymers via Dynamic Metal–Ligand Interactions

DMDavoud MozhdehiSASergio AyalaOROlivia R. CromwellZGZhibin Guan

University of California, Irvine

PubMed
Indexed incrossrefpubmed

Abstract

A new self-healing multiphase polymer is developed in which a pervasive network of dynamic metal-ligand (zinc-imidazole) interactions are programmed in the soft matrix of a hard/soft two-phase brush copolymer system. The mechanical and dynamic properties of the materials can be tuned by varying a number of molecular parameters (e.g., backbone/brush degree of polymerization and brush density) as well as the ligand/metal ratio. Following mechanical damage, these thermoplastic elastomers show excellent self-healing ability under ambient conditions without any intervention.

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572
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Authors

4

Topics & keywords

Topics
Keywords
  • Chemistry
  • Elastomer
  • Polymer
  • Polymerization
  • Brush
  • Copolymer
  • Ligand (biochemistry)
  • Thermoplastic elastomer
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