Sodium Carboxymethyl Starch

Film forming properties:

CMS can form a uniform and continuous film on the surface of the object with good adhesion and water retention.

This makes CMS widely used in food, cosmetics, paper coating and other fields.

pH stability:

CMS can maintain stable performance within a wide pH range (pH 5-10) and is not prone to hydrolysis or degradation.

Thermal stability:

CMS can still maintain good stability under heating conditions and is not prone to thermal decomposition or discoloration.

This allows CMS to maintain its thickening and stabilizing effects during high-temperature processing.

Good compatibility:

CMS has good compatibility with a variety of substances and can be mixed with other additives, pigments, etc. to meet the needs of different products.

Appearance: usually white or off-white powder

Solubility: Easily soluble in water, forming a viscous solution

Stability: Stable under dry conditions, but may decompose under high temperature or strong acid and alkali conditions

Chemical properties:

Carboxymethylation: The hydroxyl groups in the starch molecule are replaced by carboxymethyl groups, thereby increasing its hydrophilicity and viscosity

Degree of substitution: The degree of carboxymethyl substitution determines the performance and use of the product

Production method:

Starch is prepared by reacting with carboxymethylating reagents (such as chloroacetic acid) under alkaline conditions, followed by steps such as neutralization, washing, and drying.

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