Natrosol™ hydrdoxyethylcellulose (HEC), a nonionic, water-soluble polymer, is a white, free-flowing granular powder. Solutions of Natrosol™ HEC are pseudoplastic or shear-thinning. Natrosol™ HEC is easily dissolved in cold or hot water to give crystal-clear solutions of varying viscosities. Furthermore, low to medium molecular weight types are fully soluble in glycerol and have good solubility in hydro-alcoholic systems containing up to 60 percent ethanol. Natrosol™ HEC is generally insolbuble in organic solvents.
Natrosol ™ hydroxyethylcellulose (HEC) can be added to paint at different paints in the paint making process and can be added by different methods. Addition of Natrosol ™ HEC to the grind (pigment dispersion) stage will impart viscosity that improves dispersion efficiency by increasing shear stress and reducing turbulent flow and splashing in the mill base. Natrosol ™ HEC can be added to the letdown stage as a slurry in water, glycol, or other liquid paint ingredient. Natrosol ™ HEC can also be added to the letdown as a pre-gel (solution).
Coating , Printing Ink , Adhesive, Resin
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