CAB-553-0.4 is a low molecular weight cellulose acetate butyrate polymer with high butyrate content and hyroxyl functionality. It is a film former used in coatings and inks that require alcohol solubility.
CAB-553-0.4 is a mixed cellulose ester with very high butyrate content and extra hyrdoxyl functionality. The high butyrate content lends to increased film flexibility and solvent compatibility. The extra hydroxyl functionality provides even further solvent compatibility as well as cross-linking sites CAB-553 is soluble in alcohol and organic solvents, it even tolerates a substantial portion of water. When formulated into coatings and inks CAB-553-0.4 improves leveling, wetting, flow, pigment orientation, durability, and flexibility. CAB-553-0.4 is also used in nail care products for its compatibility and solubility in alcohols. it provides improved clear film, flow and dry-time.
Viscosity ASTM-A, sec: 0.16 - 0.40
Acetyl by GC, wt%: 4 Max
Butyryl by GC, wt%: 44- 50
Free acidity, ppm: 300 Max
Moisture, wt%: 3.0 Max
Hydroxyl, wt%: 4.0 - 5.0
Primary Chemistry: Cellulose Acetate Butyrate
Soluble in alcohol
Improve flow and leveling
Reduce cratering
Reduce dry time
Provide polishability
Improve sprayability
Pigment dispersion medium
Metallic pigment control
Redissolve resistance
Sag resistance
Enhanced color uniformity
Decreased sand scratch telegraphing
Intercoat adhesion
Automotive Coatings; Printing Inks; Wood Coatings; Lacquers; 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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Eastman CAB enhances efficiencies and reduces waste through fewer rejects and reduced need for re-coating while substantially improving finished outcomes.
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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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