Sophie R. Goodwin
Facile Synthesis of Functionalised Hyperbranched Polymers for Application as Novel, Low Viscosity Lubricant Formulation Components
Goodwin, Sophie R.; Stimpson, Amy; Moon, Richard; Cowie, Lauren; Aragrag, Najib; Filip, Sorin V.; Smith, Andrew G.; Irvine, Derek J.
Authors
Miss AMY STIMPSON AMY.STIMPSON@NOTTINGHAM.AC.UK
Business Science Fellow
Richard Moon
Lauren Cowie
Najib Aragrag
Sorin V. Filip
Andrew G. Smith
Professor DEREK IRVINE derek.irvine@nottingham.ac.uk
PROFESSOR OF MATERIALS CHEMISTRY
Contributors
Hyeonseok Yoon
Editor
Mariaenrica Frigione
Editor
Marta Otero
Editor
Iolanda De Marco
Editor
Haw-Ming Huang
Editor
Vijay Kumar Thakur
Editor
Deng-Guang Yu
Editor
Abstract
A novel, previously unreported, method for synthesising hyperbranched (HB) materials is detailed. Their use as additives to produce lubricant formulations that exhibit enhanced levels of wear protection and improved low-temperature oil viscosity and flow is also reported. The lubricant formulations containing HB additives were found to exhibit both significantly lower viscosities and improved in-use film-forming properties than the current industry standard formulations. To achieve this, alkyl methacrylate oligomers (predominantly dimers and trimers) were synthesised using catalytic chain transfer polymerisation. These were then used as functional chain transfer agents (CTA) to control the polymerisation of divinyl benzene (DVB) monomers to generate highly soluble, high polydispersity HB polymers. The level of dimer/trimer purification applied was varied to define its influence on both these HB resultant structures and the resultant HB additives’ performance as a lubricant additive. It was shown that, while the DVB acted as the backbone of the HB, the base oil solubility of the additive was imparted by the presence of the alkyl chains included in the structure via the use of the oligomeric CTAs.
Citation
Goodwin, S. R., Stimpson, A., Moon, R., Cowie, L., Aragrag, N., Filip, S. V., Smith, A. G., & Irvine, D. J. (2022). Facile Synthesis of Functionalised Hyperbranched Polymers for Application as Novel, Low Viscosity Lubricant Formulation Components. Polymers, 14(18), Article 3841. https://doi.org/10.3390/polym14183841
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 6, 2022 |
Online Publication Date | Sep 14, 2022 |
Publication Date | Sep 14, 2022 |
Deposit Date | Feb 18, 2023 |
Publicly Available Date | Feb 21, 2023 |
Journal | Polymers |
Electronic ISSN | 2073-4360 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 14 |
Issue | 18 |
Article Number | 3841 |
DOI | https://doi.org/10.3390/polym14183841 |
Keywords | Article, hyperbranched polymers, catalytic chain transfer, lubricants, low viscosity |
Public URL | https://nottingham-repository.worktribe.com/output/12318012 |
Publisher URL | https://www.mdpi.com/2073-4360/14/18/3841 |
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