K Barse Location: Grand Forks, ND 58203 ... an elastomer suitable for biodegradable polymers and its characterization Accomplished synthesis of Ethylene Propylene Rubber containing hydroxyl groups using a semi-batch reactor Grafted Poly-L-Lactide (PLLA) on modified Ethylene Propylene Rubber (EPR) containing hydroxyl groups Blended pure PLLA with the grafted EPR to obtain two phase system containing micro domains of EPR dispersed in pure PLLA matrix Tested mechanical and structural capability of PLLA blends and grafted polymer systems using Gel Permeation Chromatography (GPC), Differential Scanning Calorimetry (DSC), Thermo Gravimetric Analysis (TGA),Dynamic Mechanical Analyzer (DMA), Atomic Force Microscopy (AFM), ...