All Outputs (76)

Green enzymatic synthesis and processing of poly (cis-9,10-epoxy-18-hydroxyoctadecanoic acid) in supercritical carbon dioxide (scCO2) (2021)
Journal Article
Sagnelli, D., Vestri, A., Curia, S., Taresco, V., Santagata, G., Johansson, M. K., & Howdle, S. M. (2021). Green enzymatic synthesis and processing of poly (cis-9,10-epoxy-18-hydroxyoctadecanoic acid) in supercritical carbon dioxide (scCO2). European Polymer Journal, 161, Article 110827. https://doi.org/10.1016/j.eurpolymj.2021.110827

There is significant potential for industrial use of renewables for a wide range of materials demanded by society. Plants, trees and algae are increasingly attracting attention as sustainable sources for functionalised and polymerizable building bloc... Read More about Green enzymatic synthesis and processing of poly (cis-9,10-epoxy-18-hydroxyoctadecanoic acid) in supercritical carbon dioxide (scCO2).

Synthesis of model terpene-derived copolymers in supercritical carbon dioxide for cosmetic applications (2021)
Journal Article
Bennett, T. M., Portal, J., Jeanne-Rose, V., Taupin, S., Ilchev, A., Irvine, D. J., & Howdle, S. M. (2021). Synthesis of model terpene-derived copolymers in supercritical carbon dioxide for cosmetic applications. European Polymer Journal, 157, Article 110621. https://doi.org/10.1016/j.eurpolymj.2021.110621

There is currently a strong drive within the cosmetics industry to replace petroleum based solvents and polymers with renewable alternatives. Copolymers of 2-ethylhexyl acrylate (2EHA) and maleic anhydride (MA) are interesting model candidates to be... Read More about Synthesis of model terpene-derived copolymers in supercritical carbon dioxide for cosmetic applications.

Poly (glycerol adipate) (PGA) backbone modifications with a library of functional diols: Chemical and physical effects (2021)
Journal Article
Jacob, P. L., Ruiz Cantu, L. A., Pearce, A. K., He, Y., Lentz, J. C., Moore, J. C., …Taresco, V. (2021). Poly (glycerol adipate) (PGA) backbone modifications with a library of functional diols: Chemical and physical effects. Polymer, 228, Article 123912. https://doi.org/10.1016/j.polymer.2021.123912

Enzymatically synthesised poly(glycerol adipate) (PGA) has shown a palette of key desirable properties required for a biomaterial to be considered a ‘versatile polymeric tool’ in the field of drug delivery. PGA and its variations can self-assemble in... Read More about Poly (glycerol adipate) (PGA) backbone modifications with a library of functional diols: Chemical and physical effects.

Functionalisable Epoxy-rich Electrospun Fibres Based on Renewable Terpene for Multi-Purpose Applications (2021)
Journal Article
Montanari, U., Cocchi, D., Brugo, T. M., Pollicino, A., Taresco, V., Romero Fernandez, M., …Gualandi, C. (2021). Functionalisable Epoxy-rich Electrospun Fibres Based on Renewable Terpene for Multi-Purpose Applications. Polymers, 13(11), Article 1804. https://doi.org/10.3390/polym13111804

New bio-based polymers capable of either outperforming fossil-based alternatives or possessing new properties and functionalities are of relevant interest in the framework of the circular economy. In this work, a novel bio-based polycarvone acrylate... Read More about Functionalisable Epoxy-rich Electrospun Fibres Based on Renewable Terpene for Multi-Purpose Applications.

RAFT polymerisation of renewable terpene (meth)acrylates and the convergent synthesis of methacrylate-acrylate-methacrylate triblock copolymers (2021)
Journal Article
Atkinson, R. L., Monaghan, O., Elsmore, M. T., Topham, P. D., Toolan, D. T. W., Derry, M. J., …Howdle, S. M. (2021). RAFT polymerisation of renewable terpene (meth)acrylates and the convergent synthesis of methacrylate-acrylate-methacrylate triblock copolymers. Polymer Chemistry, 12(21), 3177-3189. https://doi.org/10.1039/d1py00326g

Terpenes are ideal candidates for sustainable polymer feedstocks, due to their natural abundance and availability from existing waste streams. Previously, we have shown that a range of terpene(meth)acrylate monomers can be synthesised from the most c... Read More about RAFT polymerisation of renewable terpene (meth)acrylates and the convergent synthesis of methacrylate-acrylate-methacrylate triblock copolymers.

Synthesis of water-soluble surfactants using catalysed condensation polymerisation in green reaction media (2021)
Journal Article
Goddard, A. R., Apebende, E. A., Lentz, J. C., Carmichael, K., Taresco, V., Irvine, D. J., & Howdle, S. M. (2021). Synthesis of water-soluble surfactants using catalysed condensation polymerisation in green reaction media. Polymer Chemistry, https://doi.org/10.1039/d1py00415h

Sustainable and biobased surfactants are required for a wide range of everyday applications. Key drivers are cost, activity and efficiency of production. Polycondensation is an excellent route to build surfactant chains from bio-sourced monomers, but... Read More about Synthesis of water-soluble surfactants using catalysed condensation polymerisation in green reaction media.

Porous hollow TiO2 microparticles for photocatalysis: exploiting novel ABC triblock terpolymer templates synthesised in supercritical CO2 (2021)
Journal Article
Larder, R. R., Bennett, T. M., Blankenship, L. S., Alves Fernandes, J., Husband, B. K., Atkinson, R. L., …Howdle, S. M. (2021). Porous hollow TiO2 microparticles for photocatalysis: exploiting novel ABC triblock terpolymer templates synthesised in supercritical CO2. Polymer Chemistry, 12(19), 2904-2913. https://doi.org/10.1039/d1py00334h

Reversible addition-fragmentation chain transfer (RAFT) mediated dispersion polymerisation in supercritical carbon dioxide (scCO2) is an efficient and green method for synthesising block copolymer microparticles with internal nanostructures. Here we... Read More about Porous hollow TiO2 microparticles for photocatalysis: exploiting novel ABC triblock terpolymer templates synthesised in supercritical CO2.

Terpene polyacrylate TPA5 shows favorable molecular hydrodynamic properties as a potential bioinspired archaeological wood consolidant (2021)
Journal Article
Cutajar, M., Andriulo, F., Thomsett, M. R., Moore, J. C., Couturaud, B., Howdle, S. M., …Harding, S. E. (2021). Terpene polyacrylate TPA5 shows favorable molecular hydrodynamic properties as a potential bioinspired archaeological wood consolidant. Scientific Reports, 11(1), Article 7343. https://doi.org/10.1038/s41598-021-86543-1

There is currently a pressing need for the development of novel bioinspired consolidants for waterlogged, archaeological wood. Bioinspired materials possess many advantages, such as biocompatibility and sustainability, which makes them ideal to use i... Read More about Terpene polyacrylate TPA5 shows favorable molecular hydrodynamic properties as a potential bioinspired archaeological wood consolidant.

Influence of structure and solubility of chain transfer agents on the RAFT control of dispersion polymerisation in scCO2 (2020)
Journal Article
Alves Costa Pacheco, A., Fernandes Da Silva Filho, A., Kortsen, K., Hanson-Heine, M., Taresco, V., Hirst, J. D., …Howdle, S. M. (2021). Influence of structure and solubility of chain transfer agents on the RAFT control of dispersion polymerisation in scCO2. Chemical Science, 12(3), 1016-1030. https://doi.org/10.1039/d0sc05281g

Reversible addition-fragmentation chain transfer (RAFT) dispersion polymerisation of methyl methacrylate (MMA) is performed in supercritical carbon dioxide (scCO2) with 2-(dodecylthiocarbonothioylthio)-2-methylpropionic acid (DDMAT) present as chain... Read More about Influence of structure and solubility of chain transfer agents on the RAFT control of dispersion polymerisation in scCO2.

Amylose/cellulose nanofiber composites for all-natural, fully biodegradable and flexible bioplastics (2020)
Journal Article
Xu, J., Sagnelli, D., Faisal, M., Perzon, A., Taresco, V., Mais, M., …Blennow, A. (2021). Amylose/cellulose nanofiber composites for all-natural, fully biodegradable and flexible bioplastics. Carbohydrate Polymers, 253, Article 117277. https://doi.org/10.1016/j.carbpol.2020.117277

Thermoplastic, polysaccharide-based plastics are environmentally friendly. However, typical shortcomings include lack of water resistance and poor mechanical properties. Nanocomposite manufacturing using pure, highly linear, polysaccharides can overc... Read More about Amylose/cellulose nanofiber composites for all-natural, fully biodegradable and flexible bioplastics.

On-line polymerisation monitoring in scCO2: a reliable and inexpensive sampling method in high pressure applications (2020)
Journal Article
Kortsen, K., Pacheco, A. A., Lentz, J. C., Taresco, V., & Howdle, S. M. (2021). On-line polymerisation monitoring in scCO2: a reliable and inexpensive sampling method in high pressure applications. Journal of Supercritical Fluids, 167, Article 105047. https://doi.org/10.1016/j.supflu.2020.105047

A versatile and reliable on-line sampling system for polymerisation reactions in supercritical fluids was developed. By withdrawing a small volume of a high-pressure reaction mixture and expanding it in a controlled volume, reliable kinetic data were... Read More about On-line polymerisation monitoring in scCO2: a reliable and inexpensive sampling method in high pressure applications.

Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes (2020)
Journal Article
Travanut, A., Monteiro, P. F., Oelmann, S., Howdle, S. M., Grabowska, A. M., Clarke, P. A., …Alexander, C. (2021). Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes. Macromolecular Rapid Communications, 42(6), Article 2000321. https://doi.org/10.1002/marc.202000321

© 2020 The Authors. Published by Wiley-VCH GmbH The versatility of the Passerini three component reaction (Passerini-3CR) is herein exploited for the synthesis of an amphiphilic diblock copolymer, which self-assembles into polymersomes. Carboxy-funct... Read More about Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes.

Synthesis of two-phase polymer particles in supercritical carbon dioxide (2020)
Journal Article
Haddleton, A., Bennett, T. M., Chen, X., Atkinson, R. L., Taresco, V., & Howdle, S. M. (2020). Synthesis of two-phase polymer particles in supercritical carbon dioxide. Polymer Chemistry, 11(31), 5029-5039 . https://doi.org/10.1039/d0py00729c

The synthesis of particles with discrete phases using traditional emulsion polymerisation is a well-established process. Phase-separated particles have a wide range of applications, such as in coatings, drug delivery, impact modification and as suppo... Read More about Synthesis of two-phase polymer particles in supercritical carbon dioxide.

Clean synthesis of linear and star amphiphilic poly(?-caprolactone)-block-poly(ethyl ethylene phosphonate) block copolymers: assessing self-assembly and surface activity (2020)
Journal Article
Baheti, P., Rheinberger, T., Gimello, O., Bouilhac, C., Wurm, F. R., Lacroix-Desmazes, P., & Howdle, S. M. (2020). Clean synthesis of linear and star amphiphilic poly(?-caprolactone)-block-poly(ethyl ethylene phosphonate) block copolymers: assessing self-assembly and surface activity. Green Chemistry, 22(10), 3248-3261. https://doi.org/10.1039/d0gc00819b

2?Methyltetrahydrofuran (2?MeTHF) as a versatile green solvent for the synthesis of amphiphilic copolymers via ROP, FRP, and RAFT tandem polymerizations (2020)
Journal Article
Englezou, G., Kortsen, K., Pacheco, A. A. C., Cavanagh, R., Lentz, J. C., Krumins, E., …Taresco, V. (2020). 2‐Methyltetrahydrofuran (2‐MeTHF) as a versatile green solvent for the synthesis of amphiphilic copolymers via ROP, FRP, and RAFT tandem polymerizations. Journal of Polymer Science, 58(11), 1571-1581. https://doi.org/10.1002/pol.20200183

2?methyltetrahydrofuran (2?MeTHF) is a readily available, inexpensive, neoteric, bio?based solvent. It has been adopted across a wide range of chemical processes including the batch manufacture of fine chemicals, enzymatic polycondensations and ring... Read More about 2?Methyltetrahydrofuran (2?MeTHF) as a versatile green solvent for the synthesis of amphiphilic copolymers via ROP, FRP, and RAFT tandem polymerizations.

Low-temperature and purification-free stereocontrolled ring-opening polymerisation of lactide in supercritical carbon dioxide (2020)
Journal Article
Bassett, S. P., Russell, A. D., McKeown, P., Robinson, I., Forder, T. R., Taresco, V., …Howdle, S. M. (2020). Low-temperature and purification-free stereocontrolled ring-opening polymerisation of lactide in supercritical carbon dioxide. Green Chemistry, 22(7), 2197-2202. https://doi.org/10.1039/d0gc00352b

A stereoselective, solvent-free ring-opening polymerisation (ROP) of lactide (LA) in supercritical carbon dioxide (scCO2) is reported for the first time. The key aim is to exploit scCO2 to lower the temperature of traditional melt polymerisations, lo... Read More about Low-temperature and purification-free stereocontrolled ring-opening polymerisation of lactide in supercritical carbon dioxide.

Starch/Poly(glycerol-adipate) Nanocomposites: A Novel Oral Drug Delivery Device (2020)
Journal Article
Vestri, A., Pearce, A. K., Cavanagh, R., Styliari, I. D., Sanders, C., Couturaud, B., …Sagnelli, D. (2020). Starch/Poly(glycerol-adipate) Nanocomposites: A Novel Oral Drug Delivery Device. Coatings, 10(2), Article 125. https://doi.org/10.3390/coatings10020125

Biocompatible and bio-based materials are an appealing resource for the pharmaceutical industry. Poly(glycerol-adipate) (PGA) is a biocompatible and biodegradable polymer that can be used to produce self-assembled nanoparticles (NPs) able to encapsul... Read More about Starch/Poly(glycerol-adipate) Nanocomposites: A Novel Oral Drug Delivery Device.

Enzymatic One-Pot Synthesis of Renewable and Biodegradable Surfactants in Supercritical Carbon Dioxide (scCO2) (2020)
Journal Article
d’Almeida Gamiero, M., Goddard, A. . R., Taresco, V., & Howdle, S. M. (2020). Enzymatic One-Pot Synthesis of Renewable and Biodegradable Surfactants in Supercritical Carbon Dioxide (scCO2). Green Chemistry, 22(4), 1308-1318. https://doi.org/10.1039/c9gc04011k

We seek to expand the opportunities to exploit glycerol, a largely untapped renewable feedstock, by exploiting enzymatic catalysis in supercritical carbon dioxide (scCO2). This work highlights a promising and clean approach to bio-renewable amphiphil... Read More about Enzymatic One-Pot Synthesis of Renewable and Biodegradable Surfactants in Supercritical Carbon Dioxide (scCO2).

A ‘greener’ one-pot synthesis of monoterpene-functionalised lactide oligomers (2020)
Journal Article
O'Brien, D. M., Atkinson, R. L., Cavanagh, R., Pacheco, A. A., Larder, R., Kortsen, K., …Taresco, V. (2020). A ‘greener’ one-pot synthesis of monoterpene-functionalised lactide oligomers. European Polymer Journal, 125, 109516. https://doi.org/10.1016/j.eurpolymj.2020.109516

© 2020 Elsevier Ltd In this work we aimed to achieve a totally sustainable Ring Opening Polymerisation (ROP) process, by harmonising the use of naturally occurring or derivable initiators and the green solvent 2-Methyltetrahydrofuran (2-MeTHF). First... Read More about A ‘greener’ one-pot synthesis of monoterpene-functionalised lactide oligomers.

Highly coloured and electrophoretically active polymer microparticles via staggered dispersion polymerisation in supercritical carbon dioxide and dodecane (2019)
Journal Article
McAllister, T. D., Bennett, T. M., Petrillo, C., Topping, C., Farrand, L. D., Smith, N., & Howdle, S. M. (2019). Highly coloured and electrophoretically active polymer microparticles via staggered dispersion polymerisation in supercritical carbon dioxide and dodecane. Journal of Materials Chemistry C, 7(39), 12194-12203. https://doi.org/10.1039/c9tc03558c

Devices featuring electrophoretic displays (EPD) have become extremely popular in recent years because of their low power consumption, high readability and thin display designs, but a product with a full colour gamut comparable with liquid crystal di... Read More about Highly coloured and electrophoretically active polymer microparticles via staggered dispersion polymerisation in supercritical carbon dioxide and dodecane.