| Download | - View accepted manuscript: Modified polysulfones. VI. Preparation of polymer membrane materials containing benzimine and benzylamine groups as precursors for molecularly imprinted sensor devices (PDF, 616 KiB)
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| DOI | Resolve DOI: https://doi.org/10.1002/pola.10683 |
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| Author | Search for: Robertson, Gilles P.1; Search for: Guiver, Michael D.1; Search for: Bilodeau, Francois1; Search for: Yoshikawa, Masakazu |
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| Affiliation | - National Research Council Canada. NRC Institute for Chemical Process and Environmental Technology
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| Format | Text, Article |
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| Subject | functionalization of polymers; polysulfones; modification; lithiation; membranes; amine |
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| Abstract | A modified polysulfone containing benzylamine groups was synthesized as a reactive membrane material. Polysulfone was activated at the ortho-sulfone site by direct lithiation with n-butyllithium, and the resulting lithiated polysulfone was then reacted with benzonitrile; this yielded a polymer with pendant benzimine groups. The structure was confirmed by NMR and IR spectroscopy and by the transformation of imine to ketone by acid hydrolysis. The polymeric benzimine was also reduced to benzylamine with sodium cyanoborohydride in an acidic medium. The structure and degree of substitution of both benzylamine derivatives were determined by NMR and IR spectroscopy. The modified polysulfone containing benzylamine groups initiated the polymerization of N-carboxyanhydride of gamma-benzyl-L-glutamate [Glu(OBzl)-NCA]. The side-chain oligopeptide of Glu(OBzl)-NCA attached to polysulfone was converted into molecular recognition sites. |
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| Publication date | 2003-03-17 |
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| In | |
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| Language | English |
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| NRC number | NRCC 44397 |
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| NPARC number | 12328907 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 874a4881-c7db-4930-ace0-810d941d2855 |
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| Record created | 2009-09-10 |
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| Record modified | 2020-04-02 |
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