Carboxymethyl cellulose, carboxymethyl cellulose group is replaced by product. Or replaced according to their molecular level, can be completely dissolved or insoluble polymer, which can be used as weak acid cation exchanger for separation of neutral or basic proteins. CMC can form high viscosity colloid solution, there is adhesion, thickening, mobility, emulsifying, shaping, water, protective colloid, film forming, acid, salt, and other features for suspension, and no physical Damage, so in food, medicine, daily chemical, petroleum, paper, textiles, construction and other fields is widely used in production. |