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Firstly, it should be clarified that cationic surfactants do not have washing and stain removal functions in detergents. What is the function of cationic surfactants? Let's take a look together!

Cationic surfactant, an ingredient with excellent bactericidal, algicidal, anti mold, softening, anti-static, and conditioning properties, plays the roles of softener, bactericide, anti-static agent, conditioner, etc. in detergent products.

The commonly used cationic surfactants in detergents include alkyl quaternary ammonium salts, ester quaternary ammonium salts, and polymeric cationic surfactants. Among them, quaternary ammonium salts are the most abundant and widely used cationic surfactants, mainly used as softeners, antistatic agents, fungicides, etc.

 

Here are seven commonly used cationic surfactants:

 

1.Dodecyl dimethyl benzyl ammonium chloride (trade name: 1227, Jier Mie, Benzalkonium chloride)

Nature:

It has good foam and chemical stability, heat resistance, light resistance, sterilization, emulsification, anti-static, soft conditioning and other properties. 1227 is easily soluble in water and is not affected by water hardness. However, it should be noted that 1227 is easy to absorb moisture when exposed to the air for a long time. In terms of safety, there is no accumulation in the body, but it is slightly irritating to the eyes and skin.

Application:

Fabric softeners and anti-static agents, disinfectants for restaurants, food processing equipment, etc., can also be used as algaecides, fungicides, etc.

 

2.Hexadecyltrimethylammonium chloride (trade name: 1631)

Nature:

It has good anti-static and softness properties, as well as excellent sterilization and mildew prevention effects. It is a bit irritating to the eyes.

Application:

Hair conditioners and fabric softeners can also be used as disinfectants and disinfectants.

 

3.Octadecyltrimethylammonium chloride (trade name: 1831)

Nature:

It has excellent permeability, softness, anti-static and antibacterial properties, and is easily soluble in alcohol and hot water. Its cleaning power and foaming ability are poor. There is a slight irritant in terms of safety.

Application:

1831 is one of the main components of hair conditioner, and can also be used as an antistatic agent, fungicide, and disinfectant for synthetic fibers.

 

4.Methyl di-n-butyl ethyl 2-hydroxyethyl ammonium sulfate

Nature:

Gray white paste or solid, with good storage stability and easy dispersion in cold water. It can be prepared as a dispersion of 2.5% -3.0% with a small amount of electrolyte and has good re wetting properties.

Application:

Household and industrial rinse softeners, wash softeners, etc.

 

5.N-Methyl-N-Oxalidomide Ethyl-2-Oxalidomyl Imidazoline Methyl Sulfate Salt

Nature:

Thick liquid with turbidity, can turn into transparent liquid at 50 ℃. Has excellent softness, anti-static properties, good rewetting and biodegradability.

Application:

Soft detergent and fabric softener.
6.Polyquaternium-16
Nature:

It has the functions of hair care, conditioning, shaping, and moisturizing the skin.

Application:

Use cosmetics and skincare products.

In shampoo and shampoo, its low concentration can have a good effect, and can strengthen and stabilize the shampoo foam, while giving the hair excellent lubrication, easy combing and luster. The concentration of the product used in shampoo is 0.5-5%. In hair styling gel and styling solution, hair can have a high degree of sliding, keeping curly hair firm and not loose, giving hair a soft, healthy, and glossy appearance and feel. The addition amount is about 1-5%. Add about 0.5-5% to skincare products such as shaving cream, shower gel, and deodorizers.
7.Cationic guar gum
Nature:

Has conditioning properties for hair and skin. When used as a conditioning agent, it can enhance the effectiveness of anionic surfactants.

Application:

Can be used as a shampoo thickener, emulsion stabilizer, and fabric softener.