Stéphane Duchiron

Stéphane Duchiron
University of Strasbourg | UNISTRA · Institut de chimie et procédés pour l’énergie, l’environnement et la santé (ICPEES)

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8
Publications
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61
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Publications

Publications (8)
Article
Full-text available
ε-caprolactone (CL) has been enzymatically polymerized using α-amino acids based on sulfur (methionine and cysteine) as (co-)initiators and immobilized lipase B of Candida antarctica (CALB) as biocatalyst. In-depth characterizations allowed determining the corresponding involved mechanisms and the polymers thermal properties. Two synthetic strategi...
Thesis
The field of biobased polymers is experiencing a rapid growth but the development of more environmentally friendly synthesis methods remains a problem. With this in mind, enzymatic catalysis is a promising tool but it has some limitations such as slow polymerization kinetics, the low molecular weight of the produced polymers and a limited range of...
Article
Abstract This study presents the successful enzymatic ring opening copolymerization of ε-caprolactone (ε-CL) and ε-thiocaprolactone (ε-TCL) catalyzed by Novozyme 435, immobilized lipase B from Candida Antarctica. Various monomers feed ratio (from 0 to 100% in TCL content) were tested using two polymerization strategies. The first one is a direct on...
Article
Full-text available
Both d- and l-lactide enantiomers have been selectively enzymatically polymerized by Novozyme 435 and lipase from Burkholderia cepacia, respectively. An optimal temperature was determined for each enzyme (90 and 70 °C, for lipase from Burkholderia cepacia and Novozyme 435, respectively). Various polymerization conditions were tested to improve reac...
Article
The free radical copolymerization of allyl ribosides with diethyl fumarate and maleate was investigated for evaluating the potential of donor-acceptor type copolymerization applied to unsaturated monomers derived from renewable feedstock. The photochemically induced polymerization of model monomer blends was conducted in solution as well as in liqu...

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