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…indicated the presence of a strong SPI network, which was
responsible for such a transition. Composites made with both solvents at 1wt% SPI loading
produced the highest dielectric constants, with the SPI-PEO interactions created in H2O favoring
dipole motions more than those in DMSO. The α-relaxation of PEO also favored composites made
with H2O, with…
https://www.wichita.edu/academics/graduate_school/cgrs/_documents/CGRSAbstractBooklet_2020.pdf