Oligomers are the bulk component of a UV/EB curable formulation and therefore determine its main properties. Urethane methacrylates and urethane acrylates provide the best balance between adhesion, hardness, flexibility, weatherability, 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. The properties of these oligomers provide a high gloss finish.
Biobased oligomers, derived from renewable resources, provide an eco-friendly alternative to petroleum-based options, mirroring the rising focus on environmental sustainability in material science. These oligomers not only lessen the carbon footprint from production and usage but also match or exceed traditional materials in durability, chemical resistance, and thermal stability.
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