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Molecular Network Development Of A Thermosetting Epoxy-Amine Polymer, Christopher Michael Sahagun
Molecular Network Development Of A Thermosetting Epoxy-Amine Polymer, Christopher Michael Sahagun
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i ABSTRACT MOLECULAR NETWORK DEVELOPMENT OF A THERMOSETTING EPOXY-AMINE POLYMER by Christopher Michael Sahagun May 2012 Epoxy-amine resins find wide application as the matrix material of high performance polymer composites due to their favorable mechanical properties, thermal properties and solvent stability. These properties are derived from the complicated, highly crosslinked molecular network that is characteristic of these thermoset polymers. The connectivity of the molecular network has a strong influence on the physical performance of the finished part. Non-homogeneity in the network structure can degrade these favorable properties through the introduction of low-energy pathways for solvent penetration or fracture propagation. This …