The performance of poly(styrene)-block-poly(2-vinyl pyridine)-block- poly(styrene) triblock copolymers as pH-driven actuators

Paul D. Topham, Jonathan R. Howse, Christine M. Fernyhough, Anthony J. Ryan

Research output: Contribution to journalArticle

Abstract

Poly(styrene)-block-poly(2-vinyl pyridine)-block-poly(styrene) (PS-b-P2VP-b-PS) triblock copolymers were synthesised by anionic polymerisation. Thick films were cast from solution and their structure analysed by small angle X-ray scattering (SAXS). Longer annealing times led to more ordered structures whereas short evaporation times effectively "lock" the polymer chains in a disordered state by vitrification. Well-ordered structures not only provide an isotropic network, which reduces localised stress within the material, but are also essential for fundamental studies of soft matter because their activity on the molecular scale must be analysed and understood prior to their use in technological applications. Well-characterised PS-b-P2VP-b-PS materials have been coupled to a pH-oscillating reaction and their potential application as responsive actuators is discussed. This journal is

Original languageEnglish
Pages (from-to)1506-1512
Number of pages7
JournalSoft matter
Volume3
Issue number12
Early online date15 Oct 2007
DOIs
Publication statusPublished - 2007

Fingerprint

Styrene
Block copolymers
pyridines
polystyrene
copolymers
Actuators
actuators
vitrification
Vitrification
Anionic polymerization
X ray scattering
Thick films
thick films
casts
Polymers
Evaporation
polymerization
evaporation
Annealing
annealing

Cite this

Topham, Paul D. ; Howse, Jonathan R. ; Fernyhough, Christine M. ; Ryan, Anthony J. / The performance of poly(styrene)-block-poly(2-vinyl pyridine)-block- poly(styrene) triblock copolymers as pH-driven actuators. In: Soft matter. 2007 ; Vol. 3, No. 12. pp. 1506-1512.
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The performance of poly(styrene)-block-poly(2-vinyl pyridine)-block- poly(styrene) triblock copolymers as pH-driven actuators. / Topham, Paul D.; Howse, Jonathan R.; Fernyhough, Christine M.; Ryan, Anthony J.

In: Soft matter, Vol. 3, No. 12, 2007, p. 1506-1512.

Research output: Contribution to journalArticle

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AU - Topham, Paul D.

AU - Howse, Jonathan R.

AU - Fernyhough, Christine M.

AU - Ryan, Anthony J.

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PY - 2007

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