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Methyl MethacrylateGlass Transition TemperatureGraft CopolymerizationElectrical ConductivityThermal StabilityUltrasonic VelocityThermal DegradationInterfacial PolycondensationDifferential Scanning CalorimetryVinyl AlcoholMechanical PropertiesIntrinsic ViscosityChemical ModificationEthyl NitrateMechanical and Thermal PropertiesThermal PropertiesHigh Density PolyethyleneDistortionless Enhancement by Polarization TransferMolecular WeightGraft Copolymer