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One-pot enzyme-catalyzed synthesis of dual-functional polyester macromers towards surface-active hydrophobic films
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Biotechnology (BIO), Industrial Biotechnology.ORCID iD: 0000-0003-2644-0752
KTH, School of Biotechnology (BIO), Industrial Biotechnology.ORCID iD: 0000-0002-2993-9375
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.ORCID iD: 0000-0003-3201-5138
2017 (English)In: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 7, no 79, p. 50294-50299Article in journal (Refereed) Published
Abstract [en]

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 omega-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.

Place, publisher, year, edition, pages
ROYAL SOC CHEMISTRY , 2017. Vol. 7, no 79, p. 50294-50299
National Category
Chemical Sciences
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URN: urn:nbn:se:kth:diva-217462DOI: 10.1039/c7ra09828fISI: 000413944200060Scopus ID: 2-s2.0-85032902830OAI: oai:DiVA.org:kth-217462DiVA, id: diva2:1158005
Note

QC 20171117

Available from: 2017-11-17 Created: 2017-11-17 Last updated: 2017-11-29Bibliographically approved

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Nameer, SamerSemlitsch, StefanMartinelle, MatsJohansson, Mats

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