In the current study, proton conducting polymer blend electrolytes have been prepared with poly (vinyl chloride) (PVC), poly(methyl methacrylate) (PMMA), Ammonium thiocyanate (NH 4 SCN) salt and Tetrahydrofuran (THF) as solvent through solution-casting method. The complexation of these films have been studied by FTIR spectroscopy. The increase in amorphousness of the films with the increase in NH 4 SCN content has been confirmed by XRD analysis. The effect of salt concentration and the ionic conductivity of the polymer blend films have been analyzed by using AC impedance spectroscopy. At room temperature, prepared blend polymer electrolyte system PVC (50 wt.%)/PMMA (25 wt.%). NH 4 SCN (25 wt.%) has been established with highest ionic conductivity of 1.06 × 10 -8 S/cm. Dielectric relaxation studies of the polymer blend electrolyte film have been studied. The rise of the dielectric polarization of the films is proved by increase in dielectric constant and dielectric loss. The peaks appeared in the imaginary part of the electric modulus reveals the ion conduction occurs through the relaxation dynamic.
Mothers are recommended to exclusively breastfeed their infants for the first six months of their lives. This study determined to assess the problems associated with exclusive breast feeding (EBF) of primipara mothers. A descriptive design using purposive sampling technique of 100 primipara mothers having one year infant were selected from the study population. Ethical aspects maintained thro ughout the study. Data was collected using practice questionnaire and data was analyzed using descriptive statistics. The major findings identified were pressure from family and friends to bottle feed 26%, taboos for lactating mothers to avoid water and certain foods accounts 30%, 27 % mothers reported interference from mother in law to administer water as a major socio-cultural problem they faced, while psychological problems encountered ranged from worry and stress of feeding at all times even at night (42%), having to breastfeed even in public places (84%), fear that the baby might not be getting enough nutrients (61%). From the findings of the study, it is clear that breastfeeding mothers face a lot of problems in their attempt to carry out exclusive breast-feeding.
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