Pandect of quaternary ammonium salts (1): Definition
The surfactants having N+ functional group.
General formula:
According to hydrophobic group, quaternary ammonium salts can be subdivided into the following types:
(1), alkyl quaternary ammonium salts;
(2), alkenyl quaternary ammonium salts;
(3), aryl quaternary ammonium salts;
(4), cyclic alkyl quaternary ammonium salts;
(5), ester quaternary ammonium salts;
(6), amide quaternary ammonium salts;
(7), pyridyl quaternary ammonium salts;
(8), imidazolyl quaternary ammonium salts;
(9), pyrrolidone quaternary ammonium salts;
(10), glycosyl quaternary ammonium salts;
(11), protein-based quaternary ammonium salts;
(12), amino acid-based quaternary ammonium salts;
(13), acrylic acid-based / methacrylic acid-based quaternary ammonium salts;
(14), acrylamide-based / methacrylamide-based quaternary ammonium salts;
(15), polyurethane-based quaternary ammonium salts;
(16), polyether-based quaternary ammonium salts;
(17), morpholinyl quaternary ammonium salts;
(18), heterocyclic quaternary ammonium salts;
(19), polymer-based quaternary ammonium salts;
(20), mixed type quaternary ammonium salts;