PMAACPower Management and Audio Analog Companion
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The DSC thermogram of plain HG shows an endothermic peak around 90[degrees]C as a small kink, which may be termed as glass transition temperature [T.sub.g] of PMAAc, i.e., the temperature at which transition from glassy state to rubbery state takes place.
As the pH increases beyond 5.4 (which is the p[K.sub.a] value of PMAAc), half the carboxylic groups become ionized.
From the above study, it may be concluded that AgNPs can be homogeneously loaded into PMAAc HGs using "equilibration-cum-reduction" approach.