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[Chemical Knowledge]：Function and Application of Hydroxyethyl Cellulose

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1. definition and structure

of hydroxyethyl cellulose Hydroxyethyl cellulose is a natural or synthetic polymer compound, chemically belonging to cellulose derivatives, is a soluble non-ionic cellulose ether. Its molecular structure contains hydroxyethyl functional groups, with good water solubility, thickening, stability, dispersion, moisture retention and other characteristics. Hydroxyethyl cellulose can be divided into different grades according to its hydroxyethyl substitution degree and viscosity. The grade of hydroxyethyl cellulose typically used in production is 2-50000 hydroxyethyl cellulose.

2. The role of hydroxyethyl cellulose

1. Thickening: Hydroxyethyl cellulose can form a colloidal solution through hydrogen bonds between water molecules and molecular chains, and due to the polymer properties of the molecular chain itself, It can form a viscous liquid under the action of unidirectional shear force to achieve thickening.

2. Stability: Hydroxyethyl cellulose can stabilize the emulsion, prevent the emulsion from stratification and maintain its long-term stability.

3. Dispersion: Hydroxyethyl cellulose can form colloidal particles in water, which can disperse the particles evenly and ensure the uniformity of the product.

4. moisturizing: hydroxyethyl cellulose can be combined with water molecules to form a colloid, thus forming a moisturizing layer, which can keep the skin moisture and make the skin more moist.

5. reduce viscosity: hydroxyethyl cellulose can reduce the viscosity of the product, improve the use of the product feel, improve the performance of the product.

3. application
of hydroxyethyl cellulose
1. food: hydroxyethyl cellulose can be used in food thickening, stability, suspension, puffing, emulsification and other aspects, such as the production of lactic acid drinks, frozen, meat products, bread, cakes, salad dressing and so on.

2. cosmetics: hydroxyethyl cellulose can be used in solid, semi-solid and liquid products in cosmetics for thickening, stabilizing and moisturizing, such as creams, lotions, softeners, foaming agents, eye creams, lotions, etc.