Sodium Carboxymethyl Cellulose, usually shortened as Sodium CMC or CMC, has been first produced in Germany in 1918 and introduced into China in the late 1950s. Sodium CMC has been used for synthetic detergents since around 1940. We will go through the properties and advantages of detergent grade CMC in the following article.
Sodium CMC with hydrophilic and hydrophobic groups is a surface active agent and a highly effective anti-absorbent. After dissolving in water, it has good function of thickening, dispersing and emulsification. It can wrap the oil particle, making the oil suspend in the water and form a hydrophilic film on the surface of the washed goods, so as to prevent direct contact between the oil and the washed goods. Especially when there are active substances in the detergent, the adsorption amount of CMC is more. Compared with CMS, vegetable gum, PVP and other anti-absorbents, it is the most cost-effective one
Below are some of the advantages of detergent grade Sodium CMC in the washing industry:
- It is easily dissolved in water; The solution is uniform and has good transparency。
- It has excellent function of dispersion in water and good re-absorption resistance so that it can keep the whiteness of the white fabric and the brightness of colored fabric.
- It has good stability, with excellent function of thickening and emulsification.
- Besides liquid detergent and powder detergent, it can also be used in the manufacturing of soap because it helps to make the spices and dyes evenly distributed and easily pressed into smooth and beautiful shapes.
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