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One-Component Thiol-Alkene Functional Oligoester Resins Utilizing Lipase Catalysis
KTH, School of Biotechnology (BIO), Industrial Biotechnology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0003-3201-5138
KTH, School of Biotechnology (BIO), Industrial Biotechnology.
2016 (English)In: Macromolecular Chemistry and Physics, ISSN 1022-1352, E-ISSN 1521-3935Article in journal (Refereed) PublishedText
Abstract [en]

Chemo-enzymatic methods are powerful tools for the synthesis of novel materials. By combining the flexibility of chemical synthesis and the high selectivity of enzymes, a variety of functional materials can be achieved. In the present study, a series of α,ω-thiol telechelic oligoesters with varying amount of internal alkenes are prepared using selective lipase catalysis and are subsequently cross-linked by thiol-ene chemistry yielding alkene functional networks. Due to the reactivity of thiols and alkenes almost all present thiol-ene systems consist of two components. This work demonstrates that selective lipase catalysis in combination with renewable monomers with internal alkenes is a promising system for achieving one-component thiol-alkene functional resins with good storage stability and a high degree of thiol end-groups. The developed chemo-enzymatic route yields polymer networks with tailored amount of alkene functionalities in the final thermoset, which facilitate further postmodification.

Place, publisher, year, edition, pages
John Wiley & Sons, 2016.
Keyword [en]
Catalysis, Chemoselectivity, Functional network, Photochemistry, Telechelics, Crosslinking, Functional materials, Photochemical reactions, Resins, Synthesis (chemical), Chemo-selectivity, Enzymatic methods, Post-modification, Storage stability, Thiol-ene chemistries, Thiol-ene systems, Hydrocarbons
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Chemical Sciences Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-186775DOI: 10.1002/macp.201500490ISI: 000380018700002ScopusID: 2-s2.0-84959509216OAI: oai:DiVA.org:kth-186775DiVA: diva2:929912
Note

QC 20160520

Available from: 2016-05-20 Created: 2016-05-13 Last updated: 2016-08-12Bibliographically approved

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Finnveden, MajaNameer, SamerJohansson, Mats K G
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