Penelitian pengaruh penambahan HDPE pada plastik film poly propylena

Poly Propylena and Poly Ethylena are thermoplastic material resulted from the polymerization of propylene and ethylene gas. Each of those material have specific in physical properties. The improved properties of Poly Propylena over the some properties of Poly Ethylena are tensile strength and stress crack resistance, in the other hand Poly Ethylena have excellent properties in flexibility and tough. To improve the flexibility and tough properties of plastic film Poly Propylena can be done by the mixing of both material. In this experiment 5% Poly Ethylena was added to they Poly Propylena to make plastik film. Experiment result show that addition of 5% HDPE to plastic film Poly Propylena cause increasing the elongation at break from 290,20% to 432,81%, but 47,20 kg/cm2to 34,568 kg/cm2from 2,7450 kg/cm2 to 1,9752 kg/cm2respectively.