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Epoxidized soy bean oil (ESBO) polyether polyols have been prepared and evaluated as potential bio-renewable replacements for bisphenol A based epoxy coatings. Zinc triflate was found to be more efficient in catalyzing the ESBO hydroxyl reaction than methanesulfonic acid or boron trifluoride etherate. With an excess of n-butanol, ESBO epoxide groups ring open to give the expected polyether polyol,...
By performing a series of experiments on a thermoset/thermoplastic blend of epoxy/polyarylsulfone thermoplastic we are able to characterize many important parameters of the components and their interactions. We pay particular attention to the competition between phase separation and cross-linking of the epoxy, which makes these systems technologically important but complex. Using small-angle neutron...
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