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A green route for the preparation of aliphatic polyesters via lipase-catalyzed prepolymerization and low-temperature post polymerization
National Technical University of Athens.
National Technical University of Athens.
National Technical University of Athens.
National Technical University of Athens.
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2013 (English)In: Macromolecular materials and engineering (Print), ISSN 1438-7492, E-ISSN 1439-2054, Vol. 298, no 6, p. 679-689Article in journal (Refereed) Published
Abstract [en]

Lipase-catalyzed polycondensation of two biobased diacids, 1,12-dodecanedioic acid and 1,14-tetradecanedioic acid, with 1,8-octanediol was achieved using immobilized Lipase B from Candida antarctica. The procedure resulted in partially renewable prepolymers, while poly(octylene adipate) from petroleum-based adipic acid was also synthesized for comparison reasons, revealing a dependence of the enzymatic polymerization degree on monomer composition. The prepolymers were further submitted to bulk postpolymerization at temperatures in the vicinity of their melting point under flowing nitrogen. The intrinsic viscosity increase was found up to 12%, with no significant impact on the polyesters thermal properties.

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2013. Vol. 298, no 6, p. 679-689
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Bioprocess Technology
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URN: urn:nbn:se:ltu:diva-4078DOI: 10.1002/mame.201200188Local ID: 1f0bdcfd-d3a8-475e-be8f-01cf270e4c50OAI: oai:DiVA.org:ltu-4078DiVA, id: diva2:976940
Note
Upprättat; 2013; 20130215 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Christakopoulos, Paul

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