East chem Sodium Starch Glycolate (SSG) CAS NO.9063-38-1

Basic Information

• Molecular Formula: Generally expressed as [C₆H₇O₂(OH)₂OCH₂COONa] n, where n is the degree of polymerization.
• Chemical Structure: It is a starch derivative formed by introducing carboxymethyl groups into the glucose units of starch molecules. There are a large number of carboxyl anions on its molecular chain, which gives it good water - solubility and ionic properties.

Characteristics

• Water - solubility: It can dissolve rapidly in water to form a transparent and viscous solution. Its dissolution rate is much faster than that of many natural and synthetic polymers, which enables it to play a role quickly in various applications.
• Thickening Property: It has good thickening performance and can significantly increase the viscosity of aqueous solutions. It can reach a high viscosity at a very low concentration, and its viscosity changes non - linearly with the concentration. The viscosity of the solution can be accurately controlled by adjusting the concentration within a certain range.
• Stability: It has good stability within a certain range of temperature and pH value. Generally, it is relatively stable at pH 5 - 10 and is not easy to undergo degradation or deterioration reactions. However, under extreme conditions such as strong acid, strong alkali or high temperature, its structure may be damaged, resulting in a decrease in performance.
• Thixotropy: It has certain thixotropy. That is, when subjected to external force, the viscosity of the solution will decrease and the fluidity will increase. When the external force disappears, the solution can gradually return to its original viscosity. This characteristic makes it very advantageous in some applications that require good fluidity and stability. For example, in cosmetics and food, it can be easily applied and processed, and can maintain a certain shape when static.
• Application Fields

• Food Industry: As a thickener, stabilizer, emulsifier, etc., it is widely used in foods such as beverages, dairy products, jams, jellies, and meat products. It can increase the viscosity of food, improve the taste and texture of food, prevent food from delamination, precipitation and syneresis, and prolong the shelf life of food.
• Pharmaceutical Industry: In pharmaceutical preparations, it is mainly used as a disintegrant, which can make tablets quickly disintegrate into fine particles in water, thereby improving the dissolution rate and bioavailability of drugs. At the same time, it can also be used as a binder, suspending agent, etc. for the preparation of drug dosage forms such as capsules and suspensions.
• Paper Industry: It is used for surface sizing and internal addition of paper. As a surface sizing agent, it can improve the surface strength, smoothness and water resistance of paper, reduce the fluffing and dusting of paper, and improve the printability of paper. As an internal additive, it can increase the dry strength and wet strength of paper and improve the physical properties of paper.
• Other Fields: In the cosmetics industry, it is used as a thickener, stabilizer and emulsifier, which can make cosmetics have good consistency and stability and improve the application performance. In the textile industry, it is used as a sizing agent, which can improve the strength and wear resistance of yarns and reduce the breakage rate during weaving. In the petroleum extraction industry, it is used to prepare drilling fluids, completion fluids, etc., playing roles such as thickening and filtration reduction.