Novel synthesis and properties of smart core-shell microgels

Man Fai Leung, Junmin Zhu, Frank W. Harris, Pei Li

Research output: Journal article publicationJournal articleAcademic researchpeer-review

19 Citations (Scopus)


A new method has been developed to prepare smart microgels that consist of well-defined temperature-sensitive cores with pH-sensitive shells. The microgels were obtained directly from aqueous graft copolymerization of N-isopropylacrylamide and N,N′-methylenebisacrylamide from water-soluble polymers containing amino groups such as poly(ethyleneimine) and chitosan. The gel diameters ranged from 300 to 400 nm with narrow size distribution. The unique core-shell nanostructures exhibited tuneable responses to pH and temperature.
Original languageEnglish
Pages (from-to)177-185
Number of pages9
JournalMacromolecular Symposia
Publication statusPublished - 1 May 2005


  • Core-shell microgels
  • Graft copolymerization
  • pH- and temperature-sensitive polymers

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics


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