Cationic surfactants are mainly nitrogen-containing organic amine derivatives. Since the nitrogen atoms in their molecules contain lone pair electrons, they can bind hydrogen with hydrogen molecules in the acid molecule and bring the amino group to positive charge. Therefore, ...
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Cationic fixing agent mainly through the cation and dye molecules in the anion group formation of ionic bonding, thereby sealing the water-soluble groups, to improve the wet treatment fastness. This kind of fixing agent can be divided into surfactant fixing agent and ...
Anionic wetting agent has a longest history, highest output and most various types. It is classified according to the structures of their hydrophilic groups: sulfonates and sulfates, which are the main types of anionic surfactants. The various functions of surfactants are ...
Amphoteric surfactant are surfactants that contain both an anionic hydrophilic group and a cationic hydrophilic group in the same molecule. The most important feature is that it can both give and receive protons. It has the following characteristics: excellent softness and ...
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