Properties and development trends of amphoteric surfactants

characteristics of amphoteric surfactants the characteristic of amphoteric surfactants is that they contain both acidic and basic hydrophilic groups in the molecule. these acidic and basic groups have been discussed previously. in addition, hydroxyl groups and polyoxyethylene ether groups can also be introduced to increase water solubility. amino acid salts are amphoteric surfactants. therefore, when…