Effects of phase separation in crosslinked resins containing polymeric modifiers

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dc.contributor.advisor Bucknall, Clive
dc.contributor.author Partridge , I. K.
dc.date.accessioned 2017-01-31T15:20:20Z
dc.date.available 2017-01-31T15:20:20Z
dc.date.issued 1984-03
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/11377
dc.description.abstract The study reported in this thesis concerns the relationship between morphology and the properties of multicomponent epoxy and methacrylate resins. The thermodynamic and kinetic aspects of phase separation in reactive, thermosetting, systems are explored and applied to the investigation of blends of 'high performance' epoxy resins with polyethersulphone. The mechanical properties of the same cured blends are shown to be insensitive to considerable variations in composition, cure and the resulting morphology, both in the bulk-resin and in carbon fibre-epoxy laminate forms. Room temperature fracture and yield behaviour of highly cross linked and rubber modified methacrylates, of rubber modified dysfunctional epoxies, as well as of the above mentioned epoxy/polyether sulphone blends, is investigated. Special emphasis is placed on a comparison of the kinetics of tensile creep between the different systems. Loss of ductility in the highly cross linked resins is shown to result in a very limited scope for toughness enhancement by the usual rubber toughening methods. en_UK
dc.language.iso en en_UK
dc.publisher Cranfield University en_UK
dc.rights © Cranfield University, 1984. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright holder. en_UK
dc.title Effects of phase separation in crosslinked resins containing polymeric modifiers en_UK
dc.type Thesis or dissertation en_UK
dc.type.qualificationlevel Doctoral en_UK
dc.type.qualificationname PhD en_UK

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