Surfactants such as quaternary ammonium salts (QAS) have been in increasing demand, for emerging new applications. Recent attempts at process intensification of their production disclosed the need a better understanding QAS thermal stability. This work aims to determine degradation kinetics various QASs and associated solvent effects. The four methyl carbonate were determined polar solvents sta...

Abstract In the paper, five quaternary ammonium salts derived from rosin were synthesized, characterized and their antifungal activities against different molds studied. Choline salt tetramethylammonium hydroxide synthesized dehydroabietic acid ethanolamine ester which are new compounds propylene pimaric acid. Their structures confirmed by FTIR, 1 HNMR, 13 CNMR, high resolution mass spectrometr...