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CAB-551-0.01
CAB-551-0.01 is a low–molecular weight, cellulose acetate butyrate polymer. It is used as a film former and resin modifier in solvent and UV-curable coatings.
CAB-551-0.01 has the highest butyrate content and lowest molecular weight of the Eastman CAB grades. The low molecular weight of CAB-551-0.01 allows for formulating high-solids coatings while maintaining a workable viscosity.
The high butyrate content of CAB-551-0.01 lends to excellent flexibility and compatibility with a very wide range of solvents, resins, and monomers. It is soluble in common acrylic monomers and styrene and can therefore be used in reactive coatings and inks with 100% solids. When used in UV-curable inks and coatings, CAB-551-0.01 improves leveling, gloss, and hardness. It can also help reduce the amount of shrinkage due to cross-linking and curing.
CAB-551-0.01 can be used by pultruders to enable higher pultrusion speed and prevent internal and external cracking. When formulated into coatings, CAB-551-0.01 improves UV stability, flow, leveling, pigment orientation, and durability.
CAB-551-0.01 can also be blended with CAB-381 at a ratio of 1:8 and be used as a film-forming polymer system in protective coatings for nail polish. When used in nail polish formulations, CAB-551-0.01 acts as a film former and provides sag resistance, easy application, UV resistance, gloss, and fast drying speeds. In addition, CAB-551-0.01 can be used as an additive in UV- and LED-curable nail polish to make gel coat removal easier.
Specifications
Viscosity ASTM-A (sec): 0.01 Acetyl by GC (wt%): 4 Max Butyryl by GC (wt%): 50–54 Free acidity (Max ppm): 300 Moisture (Max wt%): 3.0 Hydroxyl (wt%): 1.6–2.4
Primary Chemistry: Cellulose Acetate Butyrate
Features & Benefits
Improves flow and leveling Reduces cratering Reduces dry time Provides polishability Improves sprayability Decreases blocking Serves as a pigment dispersion medium Optimizes metallic pigment orientation Resists redissolution Provides sag resistance Enhances color uniformity Decreases sand scratch telegraphing Promotes intercoat adhesion Improves pultrusion speed Prevents pultrusion cracking
Problems Solved
Poor leveling and high surface defects in coatings, inks, and adhesives Inadequate abrasion resistance of coatings and inks Low gloss and distinctness of image on coated surfaces Yellowing of nitrocellulose-based coatings under UV exposure Slow drying time of solvents from coatings, inks, and adhesives Incompatibility with monomers used in UV-curable systems Shrinkage of UV-cured coatings and inks that leads to adhesion failure Difficulty removing UV-curable nail polish
Applications
Solvent-based coatings 100% solids coatings UV-curable inks and coatings Automotive coatings Nail care
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.
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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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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