Ferrogel: A new magneto-controlled elastic medium

M. Zrínyi, L. Barsi, A. Büki

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

Magnetic-field-sensitive gels, called ferrogels, have been prepared by introducing monodomain, magnetite particles of colloidal size into chemically crosslinked poly (vinyl alcohol) hydrogels. The influence of a non-uniform external magnetic field on the shape of gel tubes and the possibility to induce elongation and contraction by means of a magnetic field gradient produced by an electromagnet have been demonstrated. It was shown that both the concentration of magnetite particles and the crosslinking density of the ferrogels play an essential role in the magneto-elastic behaviour.

Original languageEnglish
Pages (from-to)415-427
Number of pages13
JournalPolymer Gels and Networks
Volume5
Issue number5
DOIs
Publication statusPublished - Jan 1 1997

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Pharmaceutical Science
  • Polymers and Plastics

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