Abstract
The thermal decomposition reactions of CH3CH2C(CH3)2COOAg (1), (CH3)3SiCH2COOAg (2), CF3COOAg (3), (CH3)3CCOOAg (4), C2H5COOAg (5), C3F7COOAg (6), C6F13COOAg (7) and (CF2)3(COOAg)2 (8) were studied in N2 atmosphere using thermogravimetry (TG), derivative thermogravimetry and differential thermal analysis. Characterized compounds decomposed in one- or multi-step processes with metallic silver formation in the range 215–465 °C. TG-IR studies of gases evolved during thermolysis revealed products of decomposition, such as carboxylic acids, CO2 and recombination reactions.
Highlights
Were studied in N2 atmosphere using thermogravimetry (TG), derivative thermogravimetry and differential thermal analysis
The metallic silver is the final product with the presence of carbonaceous species, what is evident from
Metallic silver is formed greater than 215 °C
Summary
Were studied in N2 atmosphere using thermogravimetry (TG), derivative thermogravimetry and differential thermal analysis. Reported informations of silver(I) carboxylates proposed the following scheme of the decomposition reaction: CH3 ðCH2 Þn COOAg ! Other studies suggested formation of the silver(I) oxide (unstable greater than 300 °C) in the first stage of this process connected with formation of the anhydride of the corresponding acid. CF3COOAg (3), DTA curve indicates four peaks (Fig. 1c).
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