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Sodium carboxymethyl cellulose (CMC), also known as carboxymethyl cellulose. It is a highly polymerized fiber ether prepared by chemically modifying natural cellulose. Its structure is mainly composed of D-glucose units connected by β_(14) glycosidic bonds.
Sodium carboxymethyl cellulose, referred to as carboxymethyl cellulose CMC, is a white or creamy white fibrous powder or granule with a density of 0.5-0.7g/cm3, odorless and hygroscopic. So what are the common problems when using carboxymethyl cellulose?
Carboxymethyl cellulose can form high viscosity colloid, solution, bonding, thickening, flow, emulsification, and dispersion characteristics; with water retention, protection of colloid, film-forming, acid resistance, salt resistance, suspension, and other factors, with physiological harmless and other features, widely used in food, medicine, daily chemical, petroleum, paper making, textile, construction, and other fields.
CMC is usually an anionic polymer compound prepared by reacting natural cellulose with caustic alkali and monochloroacetic acid. The molecular weight of the compound ranges from several thousand to one million.
When preparing carboxymethyl cellulose paste, add the quantitative water into the batching tank with the stirring device. After turning on the moving device, scatter the carboxymethyl cellulose into the batching tank slowly and evenly, and continue to stir to make it even. After the carboxymethyl cellulose and water are entirely fused, it can be completely melted.
Mix sodium carboxymethyl cellulose with water directly to prepare paste glue for use. When dispensing sodium carboxymethyl cellulose glue, please add a certain amount of water in the batching tank with mixing equipment first.
