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Water-borne polyurethane-acrylate (WPUA) oligomer was prepared via in-situ and anionic selfemulsifying method from Hexamethylene diisocyanate, polyether polyol, dimethylolbutanoic acid, and capped with 2-Hydroxyethyl methacrylate. Subsequently, UV-curable WPUA oligomers were used to prepare glass fibre reinforced composite materials with 2-hydroxyethyl acrylate as reactive diluent and Irgacure 500 as a photoinitiator and glass fabric for reinforcing. The possibility of obtaining glass fiber reinforced composite materials on the basic of water-borne polyurethane-acrylates is of great interest to researchers due to the expected properties. For additional research, fiberglass reinforced UV-curable composites were compared, with two water-borne polyurethane acrylate commercial products and Irgacure 500 as photoinitiator. For UVcuring and reinforcing of all composites a black mercury lamp as a UV-light source and glass-fabric with different weight – 81 g/m 2 , 163 g/m 2 , 660 g/m 2 was used. The infrared spectrums of the obtained glass fibre reinforced composite were determined. Mechanical properties (Tensile Strength, Young’s modulus) and thermal properties by Differential scanning calorimetry of UV-cured composites also investigated. The oligomers were selected as a material for application in fibreglass composite manufacturing. The results indicate that the used matrixes are suitable for quick preparing of fibreglass composites and that they could be useful for the implementation of repair strategies of similar composite materials.

Investigation On The Possibility Of Using Water-Based Polyurethane Acrylates In The Production Process Of Fiberglass Reinforced Composite Materials