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Sodium-Carboxymethyl-Cellulose-Market-2021
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Application of Sodium CMC in Coatings

Published by SINOCMC at 2021-04-30
Application-of-Sodium-CMC-in-Coatings

Application-of-Sodium-CMC-in-Coatings

Sodium carboxymethyl cellulose can be used as an anti-settling agent, emulsifier, dispersant, leveling agent, and adhesive for coatings. CMC can make the solid composition of paint evenly distributed in the solvent, so that the coating will not be layered for a long time. It is widely used in water-based coatings.

1. The function of CMC in coatings:

① Dispersity: CMC quickly disperses so that the paint components are uniformly dissolved in the solvent.

② Water retention: The chain structure of polymer of CMC adsorbs water molecules to form solvation layer.

③ Thickening: CMC has high viscosity with obvious thickening effect.

④ Leveling: CMC mixes paint evenly and maintains a uniform liquid, improving paint adhesion and smooth flow.

2. How to use CMC in latex paint:

CMC is used as a thickening and dispersing agent in latex paint. According to the characteristics of CMC, it can be firstly added to alkaline pigments and fillers, after being mixed and milled, the CMC mixture can be strongly stirred with the emulsion to make all the material dissolve quickly. CMC can also be dissolved at first, then stirred and mixed with other materials. If you have any interest or questions about Sodium CMC used in coatings, please contact SINOCMC freely.

SINOCMC Team

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