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CAB-551-0.2
CAB-551-0.2 is a cellulose acetate butyrate (CAB) resin with excellent compatibility. It is primarily a flow and leveling aid used in solvent-based and UV-curable coatings and inks.
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- Manufacturer: Eastman
- Product Line: Eastman Cellulose Esters
- Product: Cellulose Acetate Butyrate
- Industries: Adhesives | Coatings | Inks | Personal Care | Plastics
- Authorized Countries: Canada | United States
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Overview
CAB-551-0.2 is a cellulose acetate butyrate polymer with very high butyrate content and relatively low molecular weight. It can be used as a film former and additive in coating and ink applications to improve metallic pigment orientation, gloss, wetting, leveling, and durability. The high butyrate content of CAB-551-0.2 provides improved flexibility in coatings and makes it widely soluble in a range of organic solvents and monomers. CAB-551-0.2 is also compatible with a wide variety of resins and pigments. Coatings and inks formulated with CAB-551-0.2 have increased resistance to yellowing from UV exposure and faster solvent release.
CAB-551-0.2 is soluble in common acrylic monomers and compatible with many UV-curable resins used in reactive and UV-curable formulations. When formulated into UV-curable coatings, CAB-551-0.2 helps prevent shrinkage of the coating due to cross-linking that occurs during rapid curing.
CAB-551-0.2 can be used by pultruders to enable higher pultrusion speed and prevent internal and external cracking. When CAB-551-0.2 is used in nail polish and protective nail coatings as a film former, it provides excellent sag resistance, gloss, color retention, and fast drying speeds.
Specifications
Viscosity ASTM-A (sec): 0.16–0.25
Acetyl by GC (wt%): 4 Max
Butyryl by GC (wt%): 49.0
Free acidity (ppm): 300 Max
Moisture (max wt%): 3.0
Hydroxyl (wt%): 1.4–2.4
Primary Chemistry: Cellulose Acetate Butyrate
Features & Benefits
- Improves flow and leveling on a variety of surfaces
- Reduces cratering
- Reduces dry time
- Increases antiblocking properties
- Provides polishability
- Improves sprayability
- Serves as a pigment dispersion medium
- Controls orientation of metallic pigments
- Resists redissolution
- Provides sag resistance
- Enhances color uniformity
- Decreases sand scratch telegraphing
- Provides intercoat adhesion
- Improves pultrusion speed
- Prevents pultrusion cracking
- Excellent solubility in alcohol
- Increases gloss and preserves distinctness of image
Problems Solved
High surface defects caused by poor leveling and flow properties Low abrasion resistance Discoloration from UV exposure Poor gloss and distinctness of image Solvent drying times that are too slow Cracking of pultruded plastic parts Surface defects of UV-curable formulations caused by poor leveling and shrinkage upon cure Yellowing of nail polish caused by exposure to UV and heat
Applications
Automotive coatings
Coil coatings
Wood coatings
Printing inks
Adhesives
Plastic coatings
UV-curable coatings
UV-curable inks
Reactive coatings
Nail care
Related Applications
Adhesives
Coatings
- Aerosol Coatings
- Aerospace Coatings
- Appliances & Machinery Coatings
- Architectural Coatings
- Automotive OEM Coatings
- Automotive Refinish
- Basecoats
- Ceramic Coatings
- Coil Coatings
- Consumer Paints
- Electronics Coatings
- Floor Coatings
- Furniture Coatings
- Industrial Coatings
- Lacquers
- Marine Coatings
- Metal Coatings
- Nail Polish
- Overprint Varnishes
- Pipe Coatings
- Plastic Coatings
- Primers
- Special Purpose Coatings
- Stone and Tile Coatings
- Terra Cotta Coatings
- Textile & Leather Coatings
- Topcoats
- Traffic Paint
- Wax and Polishes
- Wood Coatings
- Automotive Inks
- Commercial & Publication
- Digital Inks
- Flexible Films
- Glass & Ceramics
- Graphic Arts Coatings
- Narrow Web
- Plastics
- Printed Electronics
- Tag & Label
Related Chemistries
Related Functions
Adhesives
Coatings
Inks
Personal Care
Related Processes
Plastics
Eastman Cellulose Esters Articles
Eastman Cellulose Esters - Metal coatings
Eastman CAB enhances efficiencies and reduces waste through fewer rejects and reduced need for re-coating while substantially improving finished outcomes.
Eastman™ Cellulose Esters - Inks
Eastman cellulose esters can be formulated into inks as the main film former, co-resin, or additive to improve appearance, performance, and productivity.
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