Milacell™ Cellulose Ethers For Painting & Coating
Our celluloses are added to mineral building materials such as ETICS / EIFS
PAINT VS. COATING, WHAT IS THE DIFFERENCE?
Coating is umbrella term (general) for any applying a material layer on the substrate. Painting is one kind of coating process (usually polymer or slurry based whic are appied via brush or spray). Coating can also be done via painting, chemical or physical deposition, electroplating, etc…
Coating can be paint, but paint cannot be a coating.
Painting
The main purpose of painting anything is to improve the aesthetics (the look or beauty of something). Paint can be applied to a variety of surfaces using many different application techniques. While there are some protective qualities that come with painting anything, that is not the real purpose of paint. The result of applying paint is for any surface to temporarily look nicer, look more vibrant, appear cleaner, or seem newer than it did before paint was applied.
Coating
What paint cannot do is where coating steps in; perform. Coating is paint with purpose. The end purpose depends on the coating system that is decided upon. Like paint, coatings are applied to a variety of surfaces using many different application techniques. Here are a few examples of the performance a coating system can provide that paint cannot:
- color retention
- flexibility and elasticity
- waterproofing
- water-shedding
- breathability (permeable)
- rust and corrosion containment and prevention
- self-cleaning
- anti-microbial
MilaCell™
Cellulose Ether
Hydroxyethyl cellulose
HPMC
MilaCell™ HEC is a white to light yellowish, oderless and tastless powder, readily soluble in hot or cold water to form a viscous gel solution. When pH in solution is within 2 to 12, the solution is quite stable. Since HEC group is nonionic one in water solution, it won’t be reacted with other anions or cations and insensitive to the salts. But HEC molecule is capable of generating esterification, etherification and acetal reaction, so it is possible to make it insoluble in water or improve its properties. HEC also has good film-forming ability and surface activity.
Advantages of adding cellulose
MilaCell™ HEC dissolves readily in both cold water and hot water.
Aqueous solutions of HEC are stable and do not gel at either high or low temperatures.
MilaCell™ HEC is a nonionic cellulose ether that remains chemically and physically stable over a wide pH range.
MilaCell™ HEC shows excellent performance as athickener, as a water-retention agent, as a suspending and dispersing agent, and as a protective colloid.
MilaCell™ HEC can be stored for log periods without degrading significantly, and in aqueous solutions its viscosity remains stable.
HPMC properties
Cellulose Ethers in Painting & Coating
It has high thickening efficiency and can improve expected performance. Paints thickened with HEC are of high rheological properties and pseudo-plasticity under various shearing rates, good workability and leveling performance.
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