Complex coacervate core micelles containing Poly(vinyl alcohol) inhibit ice recrystallization

Christian C.M. Sproncken, Roma Suris-Valls, Hande E. Cingil, Christophe Detrembleur, Ilja K. Voets

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Abstract

Complex coacervate core micelles (C3Ms) form upon complexation of oppositely charged copolymers. These co‐assembled structures are widely investigated as promising building blocks for encapsulation, nanoparticle synthesis, multimodal imaging, and coating technology. Here, the impact on ice growth is investigated of C3Ms containing poly(vinyl alcohol), PVA, which is well known for its high ice recrystallization inhibition (IRI) activity. The PVA‐based C3Ms are prepared upon co‐assembly of poly(4‐vinyl‐N‐methyl‐pyridinium iodide) and poly(vinyl alcohol)‐block‐poly(acrylic acid). Their formation conditions, size, and performance as ice recrystallization inhibitors are studied. It is found that the C3Ms exhibit IRI activity at PVA monomer concentrations as low as 1 × 10−3m. The IRI efficacy of PVA‐C3Ms is similar to that of linear PVA and PVA graft polymers, underlining the influence of vinyl alcohol monomer concentration rather than polymer architecture.
Original languageEnglish
Article number1700814
Number of pages5
JournalMacromolecular Rapid Communications
Volume39
Issue number17
DOIs
Publication statusPublished - Sep 2018

Keywords

  • bio-inspired functional materials
  • ice recrystallization inhibition
  • micelles
  • poly(vinyl alcohol)
  • polyelectrolytes
  • Particle Size
  • Polyvinyl Alcohol/chemistry
  • Micelles
  • Crystallization
  • Ice

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