Paper grade CMS

Sodium carboxymethyl starch (CMS) is a modified starch etherified with carboxymethyl, which is superior to carboxymethyl cellulose (CMC) and is the best product to replace CMC.

Classification:

CMS Series

Key words:

CMC & CMS

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Product Details

Sodium carboxymethyl starch, also known as carboxymethyl starch, referred to as CMS, is an anionic starch ether, chemical formula [C10H19O8Na]n, white or yellowish powder, is soluble in cold water electrolyte. It is a kind of modified starch, belongs to ether starch, is a kind of water-soluble anionic polymer compounds. It is tasteless, non-toxic, not easy to mildew.

Chemical Name:Sodium carboxymethyl starch (CMS)

Physical and chemical properties:Soluble in water to form a colloidal solution, light, heat stability. Insoluble in ethanol, ether, chloroform and other organic solvents.

Appearance:White, yellowish powder or granules.

characteristic and function

Sodium carboxymethyl starch (CMS) is a modified starch etherified with carboxymethyl, which is superior to carboxymethyl cellulose (CMC) and is the best product to replace CMC. CMS is widely used in papermaking. In the filler added as a stabilizer, thickening bonding effect, so that the paper gloss bright, improve the printing performance of the paper, enhance the toughness and wear resistance of the paper. Used as an additive in the pulp to improve the retention and filtration aid effect. It is also used for surface sizing of paper, which can significantly improve the dry strength and wet strength, oil resistance, ink absorption and water resistance of paper. Use in coating bonding can improve the production and use properties of paper.

Dosage Description

The dosage of CMC and CMS is generally controlled at 0.5-1.5 (calculated by the absolute dry amount of coated paper pigment). If it is used for special paper, special models can be selected according to the speed of the paper machine and the paper type requirements, and special models can be developed for customers to meet customer production needs. Regarding the adjustment of dosage and formula, the production technology research and development department of each application manufacturer makes reasonable adjustments and balances various factors according to the specific conditions of the factory model, base paper, coated paper and special paper product positioning and original formula design, so as to meet their own process requirements.