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Synthetic products such as casting tape and splints are rapidly replacing conventional plaster casts to treat orthopedic patients. Most synthetic products are produced through a polymerization process with related chemical agents. In this study, the effect of the process parameters on the residual NCO content within a prepolymer for casting tape and the hardening temperature for casting tape were experimentally evaluated. In order to verify the effects of the process parameters, an experimental method was adopted. From anS/N ratio analysis, optimal parameter combinations were determined to produce a pre-polymer with a suitable residual NCO content and alower hardening temperature. Prediction models for the NCO content and the hardening temperature were developed and confirmed. Key Words : Plaster Cast(), Polymerization Process(), Hardening Temperature(), Prediction Model() * SNF INC. # Corresponding Author : Department of Mechanical Engineering, PUKYONG NATIONAL UNIV. E-mail : dmkang@pknu.ac.kr

A Study on Effect of Process Parameters and Development of Prediction Model for Prepolymer Mass Production