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Differences Between Nonionic And Anionic Surfactants

Jul. 19, 2021

You probably don't know about surfactants, but you've probably used laundry detergent and soap. Originally dirty clothes, after the water washing, washing powder's infiltration, and the friction of the bucket wall, become clean.

Nonionic surfactants

Soluble in water does not dissociate, its molecules in the lipophilic group and ionic surfactants lipophilic group is roughly the same, the hydrophilic group is mainly composed of a certain number of oxygen-containing groups (such as hydroxyl and polyoxyethylene chain). In the past 20 years, non-ionic surfactants have developed rapidly and been used more and more widely, and this trend will be maintained in the next few years.

Because of nonionic surfactants in solution is not exist in ion state, so it's high stability, not easily affected by the impact of the existence of strong electrolyte, not easy also affected by acid, alkali, and other types of surfactants can mix, good compatibility, has the good solubility in various solvents, not a strong adsorption on solid surface. Non-ionic surfactants are classified according to hydrophilic groups, and there are two types of polyoxyethylene and polyols.


   TRISTYRYLPHENOL ETHOXYLATES TRISTYRYLPHENOL ETHOXYLATES

Anionic surfactant:

AN-ionic surfactant. A class of surfactants. After dissociation in water, hydrophilic anions are formed. Such as fatty alcohol sodium sulfate surrounded by water molecules, that is, dissociated into two parts of RosSO 2-O- and Na+, negatively charged RosSO 2-O-, with surface activity. Anionic surfactants are divided into carboxylic acid salt, sulfate salt, sulfonate and phosphate ester salt four categories, with good decontamination, foaming, dispersion, emulsification, wetting and other characteristics. Widely used as detergent, foaming agent, wetting agent, emulsifier and dispersant. Yields accounted for the first surfactant. Do not use with cationic surfactants to precipitate in aqueous solutions and lose their potency.


To sum up, non-ionic table live in water, no ions produced. Anion table living in the water have positive and negative ions, which have surface activity is the anion part.




doing laundry

Under normal circumstances, the anion foaming is slightly better, and the cost is low. Non-ionic decontamination is slightly stronger, and the cost is high. Each has its own advantages and disadvantages.

The washing products on the market are full of beautiful things in eyes, consumers should choose the products that have regular manufacturers and are sold in normal circulation channels, so as to avoid buying fake or inferior products. When choosing and buying to look at the product packaging on the pattern is clear, no deinking phenomenon.


In addition, consumers should choose the appropriate detergent according to the material of clothing and the degree of stain pollution. For dirty clothes, choose heavy scale detergent, washing powder is more suitable than washing liquid; For light stains of clothing, it is more convenient to wash with detergent;

For stains in special locations, such as collars, cuffs and other areas that are difficult to remove stains, laundry soap can be used to pre-scrub. In order to avoid the chemical components in the detergent residue, wash clothes must be rinsed with water several times, otherwise it may cause allergies, dermatitis and other skin diseases.



For more information, please turn to SANCOLO.

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