CAP-482-20 is a high molecular weight cellulose acetate propionate (CAP). It is commonly used as a film former and resin modifier in inks, coatings, and nail polish.
CAP-482-20 has a high propionate level and a high viscosity. Cellulose acetate propionate (CAP) are highly soluble and compatibility with most common resins. They provide the durability of cellulose acetate and the flexibility and solubility of cellulose acetate butyrate. They are commonly used as film former or resin modifier in inks, OPVs, plastic and paper coatings. Adding CAP-482-20 to a coating or ink improves leveling, dry to touch time, durability, gloss, and UV stability. CAP-482-20 is commonly blended with CAP-482-0.5 in order to achieve the proper viscosity.
ASTM-A viscosity, sec: 15 - 25
Acetyl by GC, wt%: 2.5 Max
Propionyl by GC, wt%: 45-49
Free acidity, ppm: 300 Max
Moisture, wt%: 3.0 Max
Primary Chemistry: Cellulose Acetate Propionate
Low odor
Non-yellowing
Good flow and levelling
Pigment dispersion medium
Reduced blocking
Chemical resistance
Reduced dry time
Nail polish turns yellow when exposed to heat and sunlight
Blocking of coatings and printing inks
Slow dry times of solvent based formualtions
Printing Inks; Overprint Varnish; Nail Care
Cellulose Esters enhance appearance, performance and protection capabilities of wood coatings and finishes. They are used as co-resin or additive to provide benefits to 2K PU/acrylics, acid-cured and UV-cured formulations.
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