What is coalescing agent?
Coalescing agents are used as an additive to reduce the minimum film formation temperature, resulting in optimized film coherence and improve film properties such as scrub resistance, abrasion resistance, mechanical properties, and appearance.
How does a coalescing agent work?
Coalescing agents function as temporary plasticizers for the polymer particle and thereby reduce the MFFT. Coalescing agents allow the formation of polymeric films at ambient resp. temperature conditions of film application, even of polymers demonstrating a MFFT of above these temperature conditions.
What is coalescent in paint?
Page Content. Eastman coalescents enable maximum film formation in latex paints, often improving overall paint performance. Coalescent works by softening the latex particles, allowing them to fuse into a tough, continuous film. Common coalescents include ester alcohols, esters, and glycol ethers.
What does texanol do in paint?
Eastman Texanol™ ester alcohol provides the highest level of film integrity at low levels of coalescent, enhancing the performance properties of the paint including low temperature coalescence, touch-up, scrub resistance, washability, color development, thermal flexibility, and resistance to mudcracking.
What’s the meaning of coalescent?
intransitive verb. 1 : to grow together The edges of the wound coalesced. 2a : to unite into a whole : fuse separate townships have coalesced into a single, sprawling colony— Donald Gould.
Can coalesce be used for people?
For example, a group of people could coalesce of their own accord, or a charismatic leader could coalesce them by inciting their passions, pointing out a common mission, and offering candy and t-shirts at meetings. Never doubt the power of free stuff to coalesce people!
How do you use the word coalesce?
Coalesce in a Sentence 🔉
- Because of the dwindling participation in both choirs, all the members agreed to coalesce their groups into one large chorus.
- As refugees continue to flood into the community, the congregations from all the churches will coalesce into one welcoming body to make them feel at home.
What chemicals are in paint production?
PAINT CHEMICALS AND THEIR FUNCTIONS
- Water.
- Calcium carbonate (Base matrix)
- Titanium dioxide (Titan)
- P. V. A.
- Formalin.
- Nitro sol.
- Bama cork.
- Ammonia.
What does surfactant do in paint?
Most paints contain a variety of ingredients that may include pigments, surfactants, and binders. Surfactants are soap-like molecules that manufacturers add to paint to ensure proper performance. Paint surfactants help to separate and stabilize pigments, and they allow color additions to better blend with paint.
Why are coalescing agents used in dispersion paints?
Coalescing agents/ film formers are used in dispersion paints for optimizing the film formation process of the polymeric binder particles. Coalescing agents typically reduce the minimal formation temperature and as a consequence, optimize film coherence and properties such as scrub resistance, mechanical properties as well as appearance.
How is the effectiveness of a coalescing agent determined?
The MFFT reaches a point where the dried film is totally transparent. The film below the MFFT stays milky white, cloudy. In case of application in high PVC-paints (PVC >60), the determination of the effect on wet scrub resistance is a main indicator for determining the efficiency of the coalescing agent.
Which is the coalescing agent in water based coatings?
• Active solvent for solvent-borne coatings. • Latex coalescent in water-based architectural and industrial coatings. • Solvent and plasticizer for nitrocellulose, cellulose acetate, ethyl cellulose, and many vinyl, phenolic, alkyd, and ester-type resins in water-based coatings.
What is the meaning of the word coalescent?
v.intr. 1. To come or grow together into a single mass: the material that coalesced to form stars. 2. To come together as a recognizable whole or entity: the stories that coalesced as the history of the movement. 3. To come together for a single purpose: The rebel units coalesced into one army to fight the invaders.
https://www.youtube.com/watch?v=M7U0X4Z0u6A