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Synthesis, semiconducting behavior and thermal study of terpolymeric resin derived from p-hydroxyacetophenone, resorcinol and glycerol | Abstract
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Abstract

Synthesis, semiconducting behavior and thermal study of terpolymeric resin derived from p-hydroxyacetophenone, resorcinol and glycerol

Author(s): Shubhangi K. Kapse, V. V. Hiwase, A. B. Kalambe and A. N. Gupta

The resin PARG-I was derived from p-Hydroxyacetophenone, Resorcinol and Glycerol. PARG-I was synthesized by condensation of p-Hydroxyacetophenone (0.1M), Resorcinol (0.1M) and Glycerol (0.3M) in the presence of polyphosphoric acid (PPA). The tentative structure of resin was determined by elemental analysis, FT-IR and UVVIS spectra. The molecular weight determination was carried out by non-aqueous conductometric titration .The conductivity of PARG-I was found to be in range 2.5912x10-6 to 6.4955x10-6 mho cm-1 respectively for temperature range 343-438K.The DC conductivity of sample was determined by two probe method. The activation energy of conduction for PARG-I was found to be 11.56kJ mole-1. The thermo-kinetic parameters were determined using Freeman-Carroll (FC) and Sharp -Wentworth (SW) method in temperature range 143 -343oC.The values of activation energies (Ea), apparent entropy (ΔS*) and Free energies (ΔG*) were in agreement. The order of degradation determined by FC method was confirmed by SW method.