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Saloplastics: Processing Compact Polyelectrolyte Complexes

Schaaf, Pierre ; Schlenoff, Joseph B.

Advanced materials (Weinheim), 2015-04, Vol.27 (15), p.2420-2432 [Periódico revisado por pares]

Germany: Blackwell Publishing Ltd

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  • Título:
    Saloplastics: Processing Compact Polyelectrolyte Complexes
  • Autor: Schaaf, Pierre ; Schlenoff, Joseph B.
  • Assuntos: Adhesiveness ; biocompatible ; Biocompatible Materials - chemistry ; biomaterials ; Charging ; Compacting ; doping ; Electrolytes - chemistry ; Enzymes ; Humans ; multilayers ; Nanocomposites ; Nanocomposites - chemistry ; Nanostructure ; Plastics - chemistry ; Polyelectrolytes ; Salt water ; salts ; Salts - chemistry ; Sea water ; Self healing materials
  • É parte de: Advanced materials (Weinheim), 2015-04, Vol.27 (15), p.2420-2432
  • Notas: Gutenberg Chair program of the Université de Strasbourg and the region d'Alsace
    icFRC (project Labex CSC)
    US National Science Foundation
    istex:65DABB8F7F6C6CFAB3AAA0B3421B8BBCB7D74633
    ark:/67375/WNG-LPGGXH3H-9
    ArticleID:ADMA201500176
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
    content type line 23
    ObjectType-Review-2
    ObjectType-Feature-2
  • Descrição: Polyelectrolyte complexes (PECs) are prepared by mixing solutions of oppositely charged polyelectrolytes. These diffuse, amorphous precipitates may be compacted into dense materials, CoPECs, by ultracentrifugation (ucPECs) or extrusion (exPECs). The presence of salt water is essential in plasticizing PECs to allow them to be reformed and fused. When hydrated, CoPECs are versatile, rugged, biocompatible, elastic materials with applications including bioinspired materials, supports for enzymes and (nano)composites. In this review, various methods for making CoPECs are described, as well as fundamental responses of CoPEC mechanical properties to salt concentration. Possible applications as synthetic cartilage, enzymatically active biocomposites, self‐healing materials, and magnetic nanocomposites are presented. When plasticized by salt water, polyelectrolyte complexes prepared by mixing solutions of oppositely charged polyelectrolytes can be compacted and processed by ultracentrifugation or extrusion. These hydrated materials are tough, stretchable and self‐healing. Examples of applying these “saloplastics” as biomaterials, enzyme supports, and magnetic nanocomposites are presented.
  • Editor: Germany: Blackwell Publishing Ltd
  • Idioma: Inglês
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