Solus™ 2100 is a low molecular weight cellulose ester that is used as a film former and rheology control additive in high solids and UV curable coatings.
Solus™ 2100 is a performance additive designed to improve dry time, polishability, and hardness for low VOC thermoset coatings systems. Low molecular weight acrylic systems used for 420 g/L VOC coatings have long dry times, sag, and take a long time to develop sufficient hardness to polish. Adding Solus™ 2100 to these systems improves performance and efficiency by decreasing the dry to touch time and increasing the hardness to match that of a higher molecular weight acrylic. Solus™ 2100 is soluble in acrylic monomers commonly used in UV curable coatings, inks, and adhesives including HDDA, TMPTA, and DGPDA. It is also compatible with many UV curable resins and can be used to improve leveling of UV curable formulations. Solus™ 2100 also helps to prevent shrinkage that occurs in UV curables due to rapid crosslinking during curing. This ultimately leads coatings and inks with fewer surface defects, and adhesives with less adhesive failure.
Intrinsic Viscosity: 0.08
Acetyl Content: 2 wt%
Butyryl Content: 53 wt%
Hydroxyl Content: 1.6 wt%
Moisture Content: 3.0 max %
Tg: 75°C
Specific Gravity: 1.20
Bulk factor, poured lb/ft3: 31-39 (0.49-0.62 kg/L)
Polymer Density (lbs/gal): 9.89 (1.2 kg / L)
Primary Chemistry: Cellulose Ester
Faster dry-to-touch time
Excellent anti-sag behavior
Wider window of polishability
Improved gloss after polishing
Ease of sanding
Slow dry time
Coatings that are too soft
Poor performance of low VOC coatings
Aerospace Coatings; Automotive Coatings; Printing Inks; Industrial Coatings; Wood Coatings; Refinish Clearcoats; Refinish Primers
Eastman Solus™ performance additives are the newest cellulose esters designed for high-solids solvent-borne systems. Solus™ is specifically engineered to meet lower VOC target while improving performance in clear, pigmented and metallic automotive coatings.
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