Phase Transfer Catalysis (PTC) and Cationic surfactant, Quaternary Ammonium Salts, Quaternary Phosphonium Salts, Crown Ether, Quaternary Ammonium Hydroxide , Benzalkonium Chloride , Tetramethyl Ammonium Chloride, Dioctadecyl Dimethyl Ammonium Chloride , Didecyl Dimethyl Ammonium Chloride, Dioctyl Dimethyl Ammonium Chloride, Octyldecyl Dimethyl Ammonium Chloride, Aluminum Chlorohydrate, Decyl Methyl Octyl Amine, 12-16-Alkyldimethyl Amines, Glutaraldehyde.