Hybrid silica membranes for affinity based membrane separation
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Hybrid silica membranes for affinity based membrane separation. PhD. Student: M.J.T. RaaijmakersPhone: 0534892859 Thesis a dvisor: A. NijmeijerE-mail: [email protected] l Supervisor: N.E. BenesURL : http://www.utwente.nl/tnw/im/people/phds/raaijmakers /

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Hybrid silica membranes for affinity based membrane separation

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Hybrid silica membranes for affinity based membrane separation

Hybrid silica membranesforaffinitybasedmembraneseparation

PhD. Student: M.J.T. RaaijmakersPhone: 0534892859

Thesis advisor: A. NijmeijerE-mail: [email protected]

Supervisor: N.E. BenesURL: http://www.utwente.nl/tnw/im/people/phds/raaijmakers/

Research group: Inorganic MembranesResearch school: University of Twente

Supported by: ISPTPeriod: 01-06-2011 until 01-06-2015

  • Here, we present the formation of hybrid POSS-polyamide, in the form of supported ultrathin films (~100 nm). The films combine intrinsic local ordering of inorganic and organic constituents on the molecular scale.

  • The films, with potentially infinite lateral macroscopic dimensions, exhibit molecular selectivity in liquid permeation experiments. Both toluene and water permeate through the layer, which is a result of the hybrid character of the material.

  • Polyhedraloligomericsilsesquioxane (POSS) basedmembranes are preparedbyinterfacialpolymerization. PAN supports prewettedwith POSS solution are contactedwithanorganicphasecontainingan acid chloride, resulting in defect-free ultrathinlayerformationwithin 5 minutes.

AdaptedfromDalwani et al., Journal of Materials Chemistry, 2013

AdaptedfromDalwani et al., Journal of Materials Chemistry, 2013


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