Surface-initiated atom transfer radical polymerization (ATRP) of styrene from silica nanoparticles under UV irradiation

Peng Liu, Jun Tian, Weimin Liu, Qunji Xue

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Diethyldithiocarbamyl-modified silica nanoparticles were prepared and used as macroinitiator for the surface-initiated atom transfer radical polymerization (SI-ATRP) of styrene under UV irradiation. Well-defined polymer chains were grown from the nanoparticle surfaces to yield particles composed of a silica core and a well-defined, densely grafted outer PS layer with a mass ratio of styrene to silica, or percentage grafting, of 276.3% after an UV irradiation time of 5 h.

Original languageEnglish
Pages (from-to)127-130
Number of pages4
JournalPolymer International
Volume53
Issue number2
DOIs
StatePublished - Feb 2004
Externally publishedYes

Keywords

  • Atom transfer radical polymerization
  • Silica nanoparticles
  • Styrene
  • Surface-initiated
  • UV irradiation

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