Use of hydroxyeethyl cellulose in latex paint

Adds directly to grinding the paint: this method is the simplest and takes a short time. The detailed steps are as follows:
  1. Add appropriate purifie water to the drum of the high-shear mixer (generally, ethylene glycol, wetting agent, film-forming agent, etc. are add at this time)
  2. Start stirring at a low speed and slowly add hydroxythyl cellulose
  3. Continue stirring until all the particles are.
  4. Add mildew inhibitor, PH regulator, etc
  5. Stir until all hydroxyethyl cellulose is completely dissolve (the solution viscosity increases significantly) before adding to the other components of the formula and grind until finished.
Note when equipped with hydroxyethylcellulose mother solution

Since hydroxyethyl cellulose is a processed powder particle. It is easy to operate and become soluble in water if the following matters are note.

  1. Before and after the addition of hydroxyethylcellulose, it must be stirre until the solution is completely clear and clarified.
  2. It must be slowly screened into the mixing bucket. And do not add a large number of massive and spherical hydroxyethyl cellulose directly into the mixing bucket.
  3. Water temperature and water pH obviously dissolve hydroxyethyl cellulose, so special attention should be paid.
  4. Do not add some alkaline material to the mixture before the hydroxyethyl cellulose powder is soake with water. Raising the pH value just after soaking wet helps you dissolve.
  5. Add mildew repellent as early as possible.
  6. When using the high-viscosity model hydroxyethyl cellulose, the parent liquid concentration should not be higher than 2.5-3% (weight meter), otherwise the parent liquid is difficult to operate.
Factors affecting the viscosity of latex paint
  1. The more the air bubbles remain in the paint, the higher the viscosity.
  2. Are the amount of surface activator and the amount of water in the paint formula.3 In the synthesis of latex, the residual catalyst and other oxides content are low.

HEC

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