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Information @ a Glance

General Information

  • Sodium Carboxymethyl Cellulose (CMC) is a kind of white grain and fibrous powder which are nontoxic and easy to absorb water.

  • It has good water solubility, stickiness, emulsification, diffusibility, enzyme resistance and thermal stability.

  • The transparency of its solution gets corresponding improvement with the increase of substitution degree.

  • The water solubility of CMC presents neutral or light alkalescence. It will precipitate when meeting the metallic ion with more than bivalence.

Production Process

  • Production of CMC is carried out by conversion of alkali cellulose swollen in aqueous NaOH and a surplus of an organic solvent with monochloroacetic acid or its sodium salt.

  • CMC from durian rinds was prepared by etherification of cellulose and monochloroacetic acid. Cellulose was first recovered by chemical pulping process.

  • CMC prepared with different pulps/acid ratio (1:0.75, 1:1.0, 1:1.25, and 1:1.5) in alkaline condition, yielding 45-52% of pure CMC.

Applications

  • Sodium CMC is  used as a  thickening agent, stabilizer, suspending agent.

  • Products such as toothpaste, laxatives, or diet pills contain either MC or sod. CMC. Other products include ice cream, water-based paints, detergents and a variety of paper products.

  • Main CMC application sectors include production of detergents, oil industry, pharmaceuticals, textile industry, food industry, etc

 Market 

  • The annual demand for CMC in Russia and other CIC countries is about 60-65K mt, while Russia consumes 6K mt/y. Currently, Russia features 13 facilities manufacturing Na-CMC of various grades.

  • The fastest growth of consumption is demonstrated by the food industry (diary products, ice-cream). The global consumption growth rate within this sector is 3.5% a year.

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