Natural cellulose is the most widely distributed and abundant polysaccharide in nature. At present, the modification technology of cellulose mainly focuses on etherification and esterification. Carboxymethylation is a kind of etherification technology. Carboxymethyl cellulose (CMC) is obtained by carboxymethylation of cellulose, and its aqueous solution has the functions of thickening, film formation, bonding, moisture retention, colloidal protection, emulsification and suspension, etc.
It is widely used in petroleum, food, medicine, textile and paper industry, and is one of the most important cellulose ethers.At the same time it can be divided into many levels, such as Food Grade, Detergent Grade,Oil Drilling Grade, Paint Grade, Pharmaceutical Grade,Textile Grade,Ceramic Grade,Toothpaste Grade,Coating Material Grade and so on.
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