Polymer chemistry applications of Cyrene™ and its derivative Cygnet 0.0 as safer replacements for polar aprotic solvents

Roxana Milescu; Anna Sergeevna Zhenova; Marco Vastano; Richard John Gammons; James Hanley Clark; Rob McElroy; Alessandro Pellis

doi:10.1002/cssc.202101125

Polymer chemistry applications of Cyrene™ and its derivative Cygnet 0.0 as safer replacements for polar aprotic solvents

Roxana Milescu, Anna Sergeevna Zhenova, Marco Vastano, Richard John Gammons, James Hanley Clark, Rob McElroy, Alessandro Pellis

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

This study explores a binary solvent system of biobased Cyrene and its derivative, Cygnet 0.0, with novel properties for applications in membranes technology and bio-catalysed synthesis of polyesters. Cygnet-Cyrene blends have not been reported prior to this work and could represent viable replacements for toxic polar aprotic solvents. The use of a 50 wt% Cygnet-Cyrene mixture has made a practical difference in the production of flat sheet membranes by NIPS process. New polymeric membranes from cellulose acetate, polysulfone and polyimide are for the first time manufactured using Cyrene, Cygnet 0,0 and their blend. Results showed that the produced membranes have different morphology when the solvent/mixture and temperature of casting solution change. Moreover, Cyrene and Cygnet 0.0 and Cygnet-Cyrene were also explored for substituting diphenyl ether for the bio-catalysed synthesis of polyesters. The results set Cygnet 0.0 as a very promising candidate for the enzymatic synthesis of high molecular weight polyesters.

Original language	English
Pages (from-to)	3367-3381
Number of pages	15
Journal	ChemSusChem
Volume	14
Issue number	16
Early online date	16 Jul 2021
DOIs	https://doi.org/10.1002/cssc.202101125
Publication status	Published - 23 Aug 2021

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© 2021 The Authors. ChemSusChem published by Wiley-VCH GmbH.
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Cite this

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title = "Polymer chemistry applications of Cyrene{\texttrademark} and its derivative Cygnet 0.0 as safer replacements for polar aprotic solvents",

abstract = "This study explores a binary solvent system of biobased Cyrene and its derivative, Cygnet 0.0, with novel properties for applications in membranes technology and bio-catalysed synthesis of polyesters. Cygnet-Cyrene blends have not been reported prior to this work and could represent viable replacements for toxic polar aprotic solvents. The use of a 50 wt% Cygnet-Cyrene mixture has made a practical difference in the production of flat sheet membranes by NIPS process. New polymeric membranes from cellulose acetate, polysulfone and polyimide are for the first time manufactured using Cyrene, Cygnet 0,0 and their blend. Results showed that the produced membranes have different morphology when the solvent/mixture and temperature of casting solution change. Moreover, Cyrene and Cygnet 0.0 and Cygnet-Cyrene were also explored for substituting diphenyl ether for the bio-catalysed synthesis of polyesters. The results set Cygnet 0.0 as a very promising candidate for the enzymatic synthesis of high molecular weight polyesters.",

author = "Roxana Milescu and Zhenova, {Anna Sergeevna} and Marco Vastano and Gammons, {Richard John} and Clark, {James Hanley} and Rob McElroy and Alessandro Pellis",

note = "{\textcopyright} 2021 The Authors.",

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doi = "10.1002/cssc.202101125",

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T1 - Polymer chemistry applications of Cyrene™ and its derivative Cygnet 0.0 as safer replacements for polar aprotic solvents

AU - Milescu, Roxana

AU - Zhenova, Anna Sergeevna

AU - Vastano, Marco

AU - Gammons, Richard John

AU - Clark, James Hanley

AU - McElroy, Rob

AU - Pellis, Alessandro

PY - 2021/8/23

Y1 - 2021/8/23

N2 - This study explores a binary solvent system of biobased Cyrene and its derivative, Cygnet 0.0, with novel properties for applications in membranes technology and bio-catalysed synthesis of polyesters. Cygnet-Cyrene blends have not been reported prior to this work and could represent viable replacements for toxic polar aprotic solvents. The use of a 50 wt% Cygnet-Cyrene mixture has made a practical difference in the production of flat sheet membranes by NIPS process. New polymeric membranes from cellulose acetate, polysulfone and polyimide are for the first time manufactured using Cyrene, Cygnet 0,0 and their blend. Results showed that the produced membranes have different morphology when the solvent/mixture and temperature of casting solution change. Moreover, Cyrene and Cygnet 0.0 and Cygnet-Cyrene were also explored for substituting diphenyl ether for the bio-catalysed synthesis of polyesters. The results set Cygnet 0.0 as a very promising candidate for the enzymatic synthesis of high molecular weight polyesters.

AB - This study explores a binary solvent system of biobased Cyrene and its derivative, Cygnet 0.0, with novel properties for applications in membranes technology and bio-catalysed synthesis of polyesters. Cygnet-Cyrene blends have not been reported prior to this work and could represent viable replacements for toxic polar aprotic solvents. The use of a 50 wt% Cygnet-Cyrene mixture has made a practical difference in the production of flat sheet membranes by NIPS process. New polymeric membranes from cellulose acetate, polysulfone and polyimide are for the first time manufactured using Cyrene, Cygnet 0,0 and their blend. Results showed that the produced membranes have different morphology when the solvent/mixture and temperature of casting solution change. Moreover, Cyrene and Cygnet 0.0 and Cygnet-Cyrene were also explored for substituting diphenyl ether for the bio-catalysed synthesis of polyesters. The results set Cygnet 0.0 as a very promising candidate for the enzymatic synthesis of high molecular weight polyesters.

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