This study experimentally investigates the effect of processing parameters on mechanical properties of injection molded copolymer. This paper presents an experimental study on the effects of processing parameters including melt temperature, injection pressure and amount More
This study experimentally investigates the effect of processing parameters on mechanical properties of injection molded copolymer. This paper presents an experimental study on the effects of processing parameters including melt temperature, injection pressure and amount preliminary materials on tensile strength of injection molded copolymer PP-WGRT. Polypropylene (PP - supplied by T.P.C of Iran) was used as thermoplastic material. Semi-crystalline material, Maleic anhydride-grafted (MA-g) used as agent cross-linked. Also, melt temperature was changed between 180 to 220 (˚C) and injection pressure was changed between 400 to 800 Bars. The tensile properties of produced parts were measured according to ASTM D 638 – 02. Results showed that tensile strength of copolymer decreases if the amount of WGRT increases. Also, the tensile strength increases by increasing the melting temperature and injection pressure.
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