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Toughening of trifunctional epoxy system. V. Structure-property relationships of neat resin
journal contribution
posted on 2000-07-01, 00:00 authored by Russell VarleyRussell Varley, J H Hodgkin, G P SimonThis work presents an investigation into the structure-property relationships of a cured highly crosslinked epoxy/amine resin system. The mechanical, physical, and thermal properties of the cured and postcured networks were measured and compared to the chemical structures. Crosslink density was shown to be dependent upon secondary amine conversion and it determined the glass transition temperatures, water uptake, density, toughness, and compressive strength. Other properties such as compressive modulus and yield stress were determined by more short-range molecular motions. Curing at a temperature of 150 °C was shown to be the minimum temperature required to `completely' cure the network and achieve optimum mechanical, physical, and thermal properties.
History
Journal
Journal of applied polymer scienceVolume
77Issue
2Pagination
237 - 248Publisher
WileyLocation
Chichester, Eng.ISSN
0021-8995Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2000, John Wiley & Sons, Inc.Usage metrics
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