The manufacturer tells you what is the role of sodium tripolyphosphate in detergents

 Sodium tripolyphosphate is an indispensable assistant in detergent. The content of most detergents is 10%-50%. The manufacturer will tell you what is the role of sodium tripolyphosphate in detergents.


The role of sodium tripolyphosphate in detergents is summarized as follows:

1. Chelation of metal ions: Hardening metal ions (mainly Ca2+, Mg2+) are commonly found in daily washing water. In the process of washing, they will form insoluble metal salts with the active substances in soap or detergent, which will not only increase the consumption of detergent, but also make the washed fabric have unpleasant dark grey. Sodium tripolyphosphate has excellent properties of chelating hard metal ions, thus eliminating the adverse effects of these metal ions.


2. Buffering effect: Sodium tripolyphosphate has a greater alkaline buffer effect, keeping the PH value of washing solution at about 9.4, which is conducive to the removal of acid fouling.


3. Improve the role of sol, emulsification and dispersion: dirt often contains human secretions (mainly proteins and lipids), but also contains sand and dust from the outside world. Sodium tripolyphosphate has the effects of swelling and solubilizing proteins, promoting emulsification of lipids and dispersing suspension of solid particles.


4. Prevention of caking: Powdery synthetic detergent has hygroscopicity. If stored in a place with high humidity, caking will occur. The use of agglomerated detergents is extremely inconvenient. The hexahydrate formed by sodium tripolyphosphate absorbed water has the characteristics of dryness. When there is a large amount of sodium tripolyphosphate in the detergent formulation, it can prevent the caking phenomenon caused by moisture absorption and keep the dry and cool granularity of synthetic detergent.


Sodium tripolyphosphate produced by Chongqing Chuandong Chemical has high purity, less impurities and more stable quality.

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