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Development Of Cardanol-Based Epoxy Coating, Nicholas Pottschmidt
Development Of Cardanol-Based Epoxy Coating, Nicholas Pottschmidt
Williams Honors College, Honors Research Projects
The purpose of this project was to determine the suitability of cardanol glycidyl ether (CGE) as a substitute for trimethylolpropane triglycidyl ether (TMPGE) as the reactive diluent in epoxy coatings. CGE may be a naturally-derived alternative to TMPGE, which is a commonly-used petroleum-derived reactive diluent. Epoxy coatings were formulated with CGE replacing increasing amounts of TMPGE in the formulation. Corrosion protection provided by the coatings was evaluated with electrochemical impedance spectroscopy (EIS). Mechanical properties of the coatings (hardness, flexibility, adhesion, and impact resistance) were evaluated with applicable ASTM standards.
EIS results revealed the coating formulated with only CGE had superior …