Controlled growth of poly(2-(diethylamino)ethyl methacrylate) brushes via atom transfer radical polymerisation on planar silicon surfaces

Paul D. Topham, Jonathan R. Howse, Colin J. Crook, Anthony J. Parnell, Mark Geoghegan, Richard A.L. Jones, Anthony J. Ryan

Research output: Contribution to journalSpecial issue

Abstract

Progress in making pH-responsive polyelectrolyte brushes with a range of different grafting densities is reported. Polymer brushes of poly(2-(diethylamino)ethyl methacrylate) were synthesised via atom transfer radical polymerisation on silicon wafers using a 'grafted from' approach. The [11-(2-bromo-2-methyl) propionyloxy]undecyl trichlorosilane initiator was covalently attached to the silicon via silylation, from which the brushes were grown using a catalytic system of copper(I) chloride and pentamethyldiethylenetriamine in tetrahydrofuran at 80°C. X-ray reflectivity was used to assess the initiator surfaces and an upper limit on the grafting density of the polymer was determined. The quality of the brushes produced was analysed using ellipsometry and atomic force microscopy, which is also discussed.
Original languageEnglish
Pages (from-to)808-815
Number of pages8
JournalPolymer International
Volume55
Issue number7
Early online date16 May 2006
DOIs
Publication statusPublished - Jul 2006

Fingerprint

Atom transfer radical polymerization
Silicon
Brushes
Polymers
Ellipsometry
Polyelectrolytes
Silicon wafers
Atomic force microscopy
Copper
X rays
poly(2-(diethylamino)ethyl methacrylate)

Keywords

  • poly(2-(diethylamino)ethyl methacrylate)
  • polymer brushes
  • ATRP
  • grafted from
  • X-ray reflectivity
  • ellipsometry

Cite this

Topham, Paul D. ; Howse, Jonathan R. ; Crook, Colin J. ; Parnell, Anthony J. ; Geoghegan, Mark ; Jones, Richard A.L. ; Ryan, Anthony J. / Controlled growth of poly(2-(diethylamino)ethyl methacrylate) brushes via atom transfer radical polymerisation on planar silicon surfaces. In: Polymer International. 2006 ; Vol. 55, No. 7. pp. 808-815.
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Controlled growth of poly(2-(diethylamino)ethyl methacrylate) brushes via atom transfer radical polymerisation on planar silicon surfaces. / Topham, Paul D.; Howse, Jonathan R.; Crook, Colin J. ; Parnell, Anthony J.; Geoghegan, Mark; Jones, Richard A.L.; Ryan, Anthony J.

In: Polymer International, Vol. 55, No. 7, 07.2006, p. 808-815.

Research output: Contribution to journalSpecial issue

TY - JOUR

T1 - Controlled growth of poly(2-(diethylamino)ethyl methacrylate) brushes via atom transfer radical polymerisation on planar silicon surfaces

AU - Topham, Paul D.

AU - Howse, Jonathan R.

AU - Crook, Colin J.

AU - Parnell, Anthony J.

AU - Geoghegan, Mark

AU - Jones, Richard A.L.

AU - Ryan, Anthony J.

N1 - Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2006/7

Y1 - 2006/7

N2 - Progress in making pH-responsive polyelectrolyte brushes with a range of different grafting densities is reported. Polymer brushes of poly(2-(diethylamino)ethyl methacrylate) were synthesised via atom transfer radical polymerisation on silicon wafers using a 'grafted from' approach. The [11-(2-bromo-2-methyl) propionyloxy]undecyl trichlorosilane initiator was covalently attached to the silicon via silylation, from which the brushes were grown using a catalytic system of copper(I) chloride and pentamethyldiethylenetriamine in tetrahydrofuran at 80°C. X-ray reflectivity was used to assess the initiator surfaces and an upper limit on the grafting density of the polymer was determined. The quality of the brushes produced was analysed using ellipsometry and atomic force microscopy, which is also discussed.

AB - Progress in making pH-responsive polyelectrolyte brushes with a range of different grafting densities is reported. Polymer brushes of poly(2-(diethylamino)ethyl methacrylate) were synthesised via atom transfer radical polymerisation on silicon wafers using a 'grafted from' approach. The [11-(2-bromo-2-methyl) propionyloxy]undecyl trichlorosilane initiator was covalently attached to the silicon via silylation, from which the brushes were grown using a catalytic system of copper(I) chloride and pentamethyldiethylenetriamine in tetrahydrofuran at 80°C. X-ray reflectivity was used to assess the initiator surfaces and an upper limit on the grafting density of the polymer was determined. The quality of the brushes produced was analysed using ellipsometry and atomic force microscopy, which is also discussed.

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