Properties of Bomar Specialties Co. Other Oligomer Chemistries
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BDE Series Oligomers
Dendritic polyester acrylates. Hyperbranched oligomers displaying low viscosity with excellent physical properties. The availability of hydroxyl groups on the backbone offers latitude in formulations applied to metal. These oligomers allow for compounding of 100% solids that are sprayable in thin film applications. High acrylate functionality yields coatings with high crosslink density while maintaining some flexibility.
Phenoxy urethane acrylates. Unique oligomer of very high molecular weight, which is flexible and very tough. Supplied as a 50-50 cut in THFA monomer for added advantage of adhesion to wide range of plastics. Backbone has a multitude of hydroxyl groups, making this oligomer also ideally suited for adhesion to most metals.
Polyallyl glycidyl ether. Oligomer designed to provide cure for dark or shadow areas of a coating, adhesive or ink. Reduces oxygen inhibition and facilitates a cure response mechanism for areas that are difficult to crosslink with UV energy alone. The addition of metal driers and/or a peroxide co-catalyst can accelerate the rate of dark section cure.
Imide/ester/amide urethane acrylates. Specifically designed oligomer for electronic coating and ink applications where adhesion to Kapton® (polyimide) film and excellent dielectric properties are required. This series of oligomers exhibit higher termperature capabilities than usual for urethane acrylate technology.
Silicone urethane acrylates. Oligomers combining characteristics of silicones with that of urethance and possessing acrylate functionality for UV/EB curing. These unique oligomers exhibit low shrinkage, chemical resistance and higher temperature capability, used for producing films that are compounded for flexible systems as well as hardcoats.
Refractive index specific oligomers. Now formulators of optical materials have the ability to produce coatings at high, low and medium indices. These oligomers can be used in anti-reflective coatings.
f = (meth)acrylate functionality *Glass transition temperature measured by DMA, peak tan delta.
MOLECULAR WEIGHT Low: less than 2000 glmol MED: 2000-4000 glmol HIGH: greater than 4000 glmol
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to download Bomar Specialties One Focus New & Unique Oligomers 2008 Product Guide. This guide features property tables to assist formulators in oligomer selection.
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