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Cure kinetics of high performance epoxy resin systems

Reaction with 4,4′-diamino diphenyl sulfone (DDS)

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Summary

Isothermal cure kinetics ofEPON HPT 1071/DDS system have been performed by means of differential scanning calorimetry. The maximum cure rate and the extent of conversion at various DDS concentrations were studied as a function of cure temperature. Maximum cure rate increases with increasing cure temperature and DDS concentration. At various DDS concentrations, the maximum cure rate occured between 19–22% conversion. In order to evaluate the kinetic parameters, numerical calculations by means of a Newton-Raphson technique and experimental results obtained from the peak of reaction rate curve were undertaken.

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Shim, J.S., Lee, W. & Jang, J. Cure kinetics of high performance epoxy resin systems. Polymer Bulletin 25, 661–667 (1991). https://doi.org/10.1007/BF01032662

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