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Title: Towards the synthesis of novel linseed oil based anhydride compounds
Author: Poon, Edmond
ISNI:       0000 0004 5919 6781
Awarding Body: University of East Anglia
Current Institution: University of East Anglia
Date of Award: 2016
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This thesis describes the synthesis of a novel anhydride that could theoretically be used to strengthen cellulose fibres in terms of their water resistance for potential use as a potential green replacement for fibreglass. The first chapter, the introduction, is split into 3 parts which are the 3 constituent parts to the novel anhydride molecule, the PEG, the cellulose and the linseed oil. The first part of the introduction highlights the uses of PEGs in industry now, with its flexibility and hydrophilicity resulting in its use in a wide range of products varying from cosmetics to hydraulic fluid. The second part of the introduction describes the cellulose fibres and its vast potential usefulness due to its abundance. Furthermore, its current uses are explored, with uses in the Pharmaceutical industry among other things. The third part to the introduction deals with the synthesis of the linoleic (and other unsaturated long-chain hydrocarbons) alcohol and how its unsaturated bonds can cross-link to form hydrogen bonds between individual hydrocarbons. Crosslinking between inter-molecular bonds is theorized to occur between the cellulose and the unsaturated hydrocarbon as well. The second chapter is the results and discussion which describes the results of the experimental procedures of this thesis. Due to the difficulties of collecting the pure ether during the Williamson ether synthesis stage, the practical side of the thesis was stalled at the formation the ether step. However, spectroscopically pure Linoleyl Bromides, Tosylates and Mesylates were all produced as was the pure monoprotected trityl PEGs. The third and final chapter contains the experimental data for the compounds produced in the previous chapter.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available