Properties
Oligomers are the bulk component of a UV/EB curable formulation and therefore determine the main properties. Urethane (meth)acrylates provides the best balance between adhesion, hardness, flexibility, weatherability, and abrasion and chemical resistance. Many of these properties are due to the intermolecular hydrogen bonding ability of urethane groups.
Urethane (meth)acrylates are suitable for high-grade interior and exterior applications. The main applications are in coatings for metals and plastics as well as coatings for high-quality furniture and flooring. They are also often used in overprint varnishes (OPVs) and offset and screen inks.
Properties
Abrasion Resistance
Abrasion resistance is one of the most sought after properties for coating and ink applications. Increasing abrasion resistance of the coating without sacrificing other properties, such as adhesion, has been a continuous challenge for formulators. Below are some of our recommendations to obtain an outstanding abrasion resistant coating.
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Abrasion Resistance
Abrasion resistance is one of the most sought after properties for coating and ink applications. Increasing abrasion resistance of the coating without sacrificing other properties, such as adhesion, has been a continuous challenge for formulators. Below are some of our recommendations to obtain an outstanding abrasion resistant coating.
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Adhesion
All Dymax oligomers are tested for adhesion to variety of substrates utilizing standard formulations. Product data sheets report substrate recommendation for the formulations utilizing Bomar® oligomers.
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Flexibility
Various Bomar® oligomers can be used to impart flexibility to coatings, inks, and pressure sensitive adhesives (PSA). These oligomers can be used as the main oligomer or as a co-oligomer. Bomar oligomers are used in applications ranging from thermoformable coatings to highly stretchable inks. Please speak with our Sales and/or Technical Teams to learn more about the properties of the oligomers.
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Gloss
UV-coatings are well known for providing high-gloss surfaces due to their high solids content. Formulations utilizing some of Bomar® oligomers provide extremely reflective surfaces. These oligomers can be utilized in formulating highly glossy OPVs, inks, and coatings. Oligomers for Gloss Finish OligomerApplicationsFeatures & BenefitsViscosity, cP (50°C)Tg BR-543 Foil CoatingsWeather Resistant…
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Weatherability
Dymax Oligomers & Coatings has many oligomers that impart outstanding non-yellowing, gloss, and mechanical property retention characteristics to coatings under extreme weathering conditions. Below are some of our picks for weatherability. We recommend that you speak directly with our Sales and/or Technical Teams to choose the right oligomer for your…
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