Synthesis, Characterization, Thermal degradation and Electrical conductivity of Salicylidene- anthranilic acid- Schiff base Formaldehyde resin (R-AASA)
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A Schiff base chelating resin (Salicylidene- anthranilic acid- Schiff base Formaldehyde resin (R-AASA), was synthesized by condensing a Schiff base (AASA) derived from salicylaldehyde and anthranilic acid with formaldehyde in an alkaline medium. The Schiff base monomer and their formaldehyde resin were characterized by elemental analysis, FTIR, UV-Visible and 1H NMR spectroscopy. The ionic conductance (G) of the resin doped with 2,5- dimethyl benzene sulfonic acid (PXSA), p- Toluene Sulfonic acid and NaCl were studied as a function of the weight of this dopand compounds. It is noted that an increase in the conductance of the resin (R-AASA), with an increase in the weight of the dopant material, also depended on the type of the dopant compounds used for this purpose, and it followed this sequence, p- Toluene sulfonic acid > NaCl > 2,5- dimethyl benzene sulfonic acid. This means that the highest conductance of the resin (R-AASA) occurred when it was doped with p-Toluene sulfonic acid, which equal (9.99x10-4) ohm-1 for 0.1 g. The thermal stability of the resin (R-AASA) was studied using TGA/ DTA analysis.
[Hayat Hamza Abbas, Roza Abdulrazaq Salih (2014); Synthesis, Characterization, Thermal degradation and Electrical conductivity of Salicylidene- anthranilic acid- Schiff base Formaldehyde resin (R-AASA) Int. J. of Adv. Res. 2 (Jan). 0] (ISSN 2320-5407). www.journalijar.com
