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Issue 79, 2017, Issue in Progress
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One-pot enzyme-catalyzed synthesis of dual-functional polyester macromers towards surface-active hydrophobic films

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Abstract

Selective enzyme catalysis is a valuable tool for the processing of monomers into value-added materials. In the present study natural resources were used to retrieve an ω-hydroxy fatty acid monomer containing an epoxide functionality. A procedure was developed for the synthesis of dual-functional oligomers by utilizing lipase catalysis in a one-pot synthesis route. The chemoselectivity of the enzyme allowed addition of thiol monomers to the retrieved epoxy monomers, without harming the epoxides, achieving a thiol–epoxy functional polyester resin. The synthesis reached full conversion (>99%) after 8 h. It was possible to selectively crosslink the resin through UV-initiated cationic polymerization of the epoxides into thiol–functional thermosets. The curing performance was followed in situ by real-time FTIR. The thiol groups on the surface of the film were accessible for post-modification.

Graphical abstract: One-pot enzyme-catalyzed synthesis of dual-functional polyester macromers towards surface-active hydrophobic films

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Publication details

The article was received on 04 Sep 2017, accepted on 19 Oct 2017 and first published on 27 Oct 2017


Article type: Paper
DOI: 10.1039/C7RA09828F
RSC Adv., 2017,7, 50294-50299
  • Open access: Creative Commons BY license
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    One-pot enzyme-catalyzed synthesis of dual-functional polyester macromers towards surface-active hydrophobic films

    S. Nameer, S. Semlitsch, M. Martinelle and M. Johansson, RSC Adv., 2017, 7, 50294
    DOI: 10.1039/C7RA09828F

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