Poly(vinyl chloride) (PVC) hollow fibre membranes for gas separation

C.A. Jones, S.A. Gordeyev, S.J. Shilton

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Poly(vinyl chloride) (PVC) gas separation hollow fibre membranes were produced from multicomponent dopes using dry/wet forced convection spinning. Membranes spun from a low polymer content solution exhibited disappointing gas separation properties. Their low selectivities were indicative of thick skins and high surface porosities. In contrast, high polymer content spun fibres showed good gas separation properties. Selectivities were high, active layers relatively thin and surface porosities moderate. Coating with poly(dimethylsiloxane) nullified the surface pores. The favourable performance of the high polymer content spun fibres was also related to shear rate and forced convection residence time during spinning. To the knowledge of the authors, this work represents the first reported success in producing PVC hollow fibre membranes with morphologies suitable for gas separation. The development of PVC hollow fibres relates to the ultimate quest to produce membranes capable of reliably separating oxygen and ozone gas mixtures.
LanguageEnglish
Pages901-903
Number of pages3
JournalPolymer
Volume52
Issue number4
DOIs
Publication statusPublished - 17 Feb 2011

Fingerprint

Vinyl Chloride
Polyvinyl Chloride
Polyvinyl chlorides
Gases
Membranes
Fibers
Polymers
Forced convection
Porosity
Ozone
Polydimethylsiloxane
Gas mixtures
Shear deformation
Skin
Oxygen
Coatings

Keywords

  • gas separation
  • hollow fibre spinning
  • PVC

Cite this

Jones, C.A. ; Gordeyev, S.A. ; Shilton, S.J. / Poly(vinyl chloride) (PVC) hollow fibre membranes for gas separation. In: Polymer. 2011 ; Vol. 52, No. 4. pp. 901-903.
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Poly(vinyl chloride) (PVC) hollow fibre membranes for gas separation. / Jones, C.A.; Gordeyev, S.A.; Shilton, S.J.

In: Polymer, Vol. 52, No. 4, 17.02.2011, p. 901-903.

Research output: Contribution to journalArticle

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AU - Gordeyev, S.A.

AU - Shilton, S.J.

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AB - Poly(vinyl chloride) (PVC) gas separation hollow fibre membranes were produced from multicomponent dopes using dry/wet forced convection spinning. Membranes spun from a low polymer content solution exhibited disappointing gas separation properties. Their low selectivities were indicative of thick skins and high surface porosities. In contrast, high polymer content spun fibres showed good gas separation properties. Selectivities were high, active layers relatively thin and surface porosities moderate. Coating with poly(dimethylsiloxane) nullified the surface pores. The favourable performance of the high polymer content spun fibres was also related to shear rate and forced convection residence time during spinning. To the knowledge of the authors, this work represents the first reported success in producing PVC hollow fibre membranes with morphologies suitable for gas separation. The development of PVC hollow fibres relates to the ultimate quest to produce membranes capable of reliably separating oxygen and ozone gas mixtures.

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