Medical Injection Molding

Modeling the Vulcanization Process of HCR and Liquid Silicone Rubber (LSR)

Available from SIMTEC Silicone Parts, LLC

Modeling the Vulcanization Process of HCR and Liquid Silicone Rubber (LSR)

Content Summary

A kinetic model of the vulcanization process of High Consistency Rubber (HCR) and Liquid Silicone Rubber (LSR) was developed. The exothermal vulcanization process was measured with a differential scanning calorimeter. Viscosity was measured with a cone and plate rheometer. A computer program fit coefficients to the experimental data. Values for activation energy and fitted rate coefficient were found using both nth order polynomial and autocatalytic models. A kinetic model of vulcanization will help manufacturers understand and optimize their production processes.

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