Abstract

ABSTRACT 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(석고깁스), Polymerization Process(중합공정), Hardening Temperature(경화온도), Prediction Model(예측모델) * SNF INC. # Corresponding Author : Department of Mechanical Engineering, PUKYONG NATIONAL UNIV. E-mail : dmkang@pknu.ac.kr

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