International Journal of Chemical Studies
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P-ISSN: 2349-8528, E-ISSN: 2321-4902   |   Impact Factor: GIF: 0.565

International Journal of Chemical Studies

Vol. 1, Issue 4 (2013)
Miscibility, Conductivity and Dielectric Studies of Poly (methyl methacrylate) and Cellulose acetate propionate Blends


(a, b, c). FTIR spectra of pure PMMA, PMMA/CAP 50/50 blend and  pure CAP.
Fig. 1: (a, b, c). FTIR spectra of pure PMMA, PMMA/CAP 50/50 blend and pure CAP.


images/5f.2.jpg
Fig. 2: images/5f.2.jpg


Water absorption by PMMA/CAP blends.
Fig. 3: Water absorption by PMMA/CAP blends.


The change of IEC values in the PMMA/CAP blends.
Fig. 4: The change of IEC values in the PMMA/CAP blends.


AC impedance spectra of 50/50 PMMA/CAP blend at different temperatures.
Fig. 5: AC impedance spectra of 50/50 PMMA/CAP blend at different temperatures.


(a).  Arrhenius plots for conductivity σ of (a) 10/90, (b) 20/80, (c) 30/70,  (d) 40/60,  (e) 50/50, (f) 60/40, (g) 70/30, (h) 80/20, (i) 90/10 PMMA/CAP  blends.
Fig. 6: (a). Arrhenius plots for conductivity σ of (a) 10/90, (b) 20/80, (c) 30/70, (d) 40/60, (e) 50/50, (f) 60/40, (g) 70/30, (h) 80/20, (i) 90/10 PMMA/CAP blends.


(b). Room temperature  conductivity values of PMMA/CAP blends.
Fig. 7: (b). Room temperature conductivity values of PMMA/CAP blends.


(a). Variations of dielectric constant with  frequency at different temperatures for 50/50 PMMA/CAP blend.
Fig. 8: (a). Variations of dielectric constant with frequency at different temperatures for 50/50 PMMA/CAP blend.


(b). Variations of dielectric loss with frequency at  different temperatures for 50/50 PMMA/CAP blend.
Fig. 9: (b). Variations of dielectric loss with frequency at different temperatures for 50/50 PMMA/CAP blend.


International Journal of Chemical Studies