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CAB-381-20
CAB-381-20 is a high molecular weight cellulose acetate butyrate (CAB) polymer. It is used as a film former and additive in solvent-based coatings.
CAB-381-20 is a mixed cellulose ester with moderate butyryl content and high viscosity. It is commonly used as a film former or as an additive in solvent-borne coatings to improve leveling, gloss, UV resistance, and durability. CAB-381-20 is soluble in a wide range of common organic solvents and is compatible with most common resins and plasticizers. CAB-381-20 is the ideal film former for applications that require enhanced appearance and reliable performance like automotive coatings, wood coatings, and lacquers. CAB-381-20 is also commonly used in nail polish as it provides superior stability when compared to other film formers like nitrocellulose. When CAB-381-20 is used as a film former in nail polish formulations it allows for faster drying and fewer applications that similar formulations with nitrocellulose. In addition, a cost savings can be realized by using CAB-381-20 in nail polish as the same durability seen with a lower molecular weight polymer can be achieved at a lower addition rate.
Specifications
Viscosity ASTM-A, sec: 17 - 28 Acetyl by GC, wt%: 12 - 15 Butyryl by GC, wt%: 35 - 39 Free acidity, ppm: 300 Max Moisture, wt%: 3.0 Max Hydroxyl, wt%: 1.4 - 2.2
Primary Chemistry: Cellulose Acetate Butyrate
Features & Benefits
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
Problems Solved
Intercoat adhesion failure of multi-coat systems Poor pigment dispersion that leads to low color strength Damage to coatings caused by abrasion Coating defects like orange peel and pin holes
Applications
Automotive Coatings; Textile Coatings; Lacquers; Nail Polish; Wood Coatings
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.
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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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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