Toughening of a carbon fibre reinforced epoxy anhydride composite using an epoxy terminated hyperbranched modifier
Tipo de material:
TextoSeries ; Composites Science and Technology, 65(14), p.2156-2166, 2005Trabajos contenidos: - Decarli, M
- Kozielski, K
- Tian, W
- Varley, R
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An epoxy terminated hyperbranched polymer (HBP)has been used to toughen a carbon fibre reinforced epoxy anhydride composite. This report describes the changes in viscoelastic properties used to measure the effect of HBP upon the reaction kinetics, viscosity and phase separation process occurring during cure. An appropriate cure profile was determined to ensure an optimum morphology development during fabrication of the composite containing varying amounts of HBP. The increases in the mode I and II interlaminar fracture toughness of the composite material were found to be 224
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