This research is intended to add toughness to the PLA, including bioplastics, which are characterized by brittle, not strong, flexible, and thus fill ENR to improve ductility and Ethylene Methacrylic acid, including the bridge with sodium ion (EMAA-Na +) and Ethylene Methacrylic acid with Zinc ions (+ EMAA-Zn2) 2 in the concentration we set to find out whether the coordination type and mix how much rubber that makes PLA has more toughness by Tensile test results from confirmation tests to find out the value of elongation for example% and tensile strength. The test Phase Determination to see the ability to degrade ENR. In PLA DSC test to find thermal change of the sample to confirm the result in part of the rise in the value of the test, Tg and Tm ADCB to find Gc or labor bond between film layers. If the value is high, then the examples show that the Gc can stick well to know the PLA/ENR/EMAA-Zn2 mix + volume 1 phr make the PLA has more toughness.
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