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Thermodynamic Presynthetic Considerations for Ring-Opening Polymerization
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-5850-8873
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2016 (English)In: Biomacromolecules, ISSN 1525-7797, E-ISSN 1526-4602, Vol. 17, no 3, 699-709 p.Article in journal (Refereed) PublishedText
Abstract [en]

The need for polymers for high-end applications, coupled with the desire to mimic nature's macromolecular machinery fuels the development of innovative synthetic strategies every year. The recently acquired macromolecular-synthetic tools increase the precision and enable the synthesis of polymers with high control and low dispersity. However, regardless of the specificity, the polymerization behavior is highly dependent on the monomeric structure. This is particularly true for the ring-opening polymerization Of lactones, in which the ring size and degree of substitution highly influence the polymer formation properties. In other words, there are two important factors to contemplate when considering the particular polymerization behavior of a specific monomer: catalytic specificity and thermodynamic equilibrium behavior. This perspective focuses on the latter and undertakes a holistic approach among the different lactones with regard to the equilibrium thermodynamic polymerization behavior and its relation to polymer synthesis. This is summarized in a monomeric overview diagram that acts as a presynthetic directional cursor for synthesizing highly specific macromolecules; the means by which monomer equilibrium conversion relates to starting temperature, concentration, ring size, degree of substitution, and its implications for polymerization behavior are discussed. These discussions emphasize the importance of considering not only the catalytic system but also the monomer size and structure relations to thermodynamic equilibrium behavior. The thermodynamic equilibrium behavior relation with a monomer structure offers an additional layer of complexity to our molecular toolbox and, if it is harnessed accordingly, enables a powerful route to both monomer formation and intentional macromolecular design.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2016. Vol. 17, no 3, 699-709 p.
Keyword [en]
Epsilon-Caprolactone, Gamma-Butyrolactone, Aliphatic Polyesters, Equilibrium Polymerization, Cyclic Esters, L-Lactide, Degradable Polymers, Block Polymers, 2-Allyloxymethyl-2-Ethyltrimethylene Carbonate, 2, 2-Dimethyltrimethylene Carbonate
National Category
Biochemistry and Molecular Biology
Identifiers
URN: urn:nbn:se:kth:diva-185372DOI: 10.1021/acs.biomac.5b01698ISI: 000372391800001PubMedID: 26795940ScopusID: 2-s2.0-84961202271OAI: oai:DiVA.org:kth-185372DiVA: diva2:921723
Funder
EU, European Research Council, 246776
Note

QC 20160421

Available from: 2016-04-21 Created: 2016-04-18 Last updated: 2016-04-21Bibliographically approved

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Olsén, PeterOdelius, KarinAlbertsson, Ann-Christine
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