Food-grade sodium carboxymethyl starchWhat are the applications of sodium carboxymethyl starch?

　　Sodium carboxymethyl starch, also known as carboxymethyl starch, is an anionic starch ether, a white or yellow powder, and an electrolyte soluble in cold water. It is a modified starch, belonging to ether starch, and is a water-soluble anionic polymer compound. It is tasteless, non-toxic, and not easily moldy. When the degree of substitution is greater than 0.2, it is easily soluble in water. So, food-grade sodium carboxymethyl starch: What are the applications of sodium carboxymethyl starch?

　　Food-grade sodium carboxymethyl starch: What are the applications of sodium carboxymethyl starch?

　　1. Papermaking grade sodium carboxymethyl starch

　　Sodium carboxymethyl starch is widely used in papermaking. Added as a filler stabilizer, it plays a thickening and bonding role, making the paper bright, improving the printability of the paper, and enhancing the toughness and wear resistance of the paper. It is used as an additive in pulp to improve retention and drainage.

　　2. Construction industry grade sodium carboxymethyl starch

　　The solution has good thickening, stabilizing, water retention, film-forming, and suspending effects. It is easy to use and environmentally friendly. It has been widely used in the building materials industry. In putty powder and latex paint, it is used as a thickening and water-retaining agent; it can be used as a suspending agent, stabilizer, and film-forming agent in coatings, with emulsification, thickening, and anti-settling effects. The produced cement powder can be used in cement plaster mortar, cement heat-insulating crack-resistant mortar, tile adhesive, exterior wall waterproof putty, and other cement-related products. Food-grade sodium carboxymethyl starch

　　3. Ceramic industry grade sodium carboxymethyl starch

　　Sodium carboxymethyl starch is used in the ceramic industry as a shaping agent, plasticizer, and blank enhancer. It can increase the binding force of the blank, making the blank easy to shape, the bending strength increases several times, and effectively reduces the breakage rate of the blank; it can also make the moisture in the blank evaporate evenly, preventing drying and cracking. Added to the glaze slurry as a stabilizer and binder, it can strengthen the bond between the blank and the glaze, keep the glaze in a dispersed state, improve the surface tension of the glaze, increase the smoothness of the glaze surface, and reduce pinholes after firing.

　　4. Sodium carboxymethyl starch for daily chemical use

　　In detergent formulations, it can be used as a stabilizer, fiber finishing agent, and soil carrier. Its descaling effect is significantly better than carboxymethyl cellulose, and its pollution diffusion capacity is excellent, especially for hydrophobic synthetic fiber fabrics. In the cosmetics industry, sodium carboxymethyl starch is used as a water-retaining or water-absorbing gel to manufacture anti-acne drug preparations and skin cleansers. In toothpaste, sodium carboxymethyl starch can form a three-dimensional polymer network structure, ensuring the storage stability of the paste in the tube and extending the shelf life. Improve the uniformity and surface smoothness of the slurry; reduce the pumping power. Food-grade sodium carboxymethyl starch

　　5. Petroleum industry grade sodium carboxymethyl starch

　　The aqueous solution of sodium carboxymethyl starch is stable and has excellent properties such as adhesion, thickening, water retention, emulsification, suspension, and dispersion. Sodium carboxymethyl starch is used as a mud stabilizer and water retention agent in oil well operations, which can reduce water loss and improve the flocculation stability of clay particles in drilling fluid. Sodium carboxymethyl starch has little effect on the plastic viscosity of the mud, but it has a greater effect on power and shear force, which is conducive to carrying cuttings, especially when drilling salt formations, it can stabilize the drilling fluid, reduce loss, and prevent wellbore collapse.