This study examined the effects of injection molding conditions and critical design parameters on the filling, dimensional stability,a nd crystallization of syndiotactic polystyrene (sPS) parts. Part wall thickness was the primary factor affecting filling, shrinkage, and crystallization. While injection velocity was secondary influence during, mold temperature was the minor factor for crystallization and shrinkage. Melt temperature and gate dimensions had little or no effect on filling or part properties.
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