Synthesis and Film Property of the PDMS-based Urethane Acrylate
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UV curable coating materials has been widely used various industries such as automotive, coil coating, exterior wood printing and adhesives owing to environmental advantages. In this research, we synthesized urethane acrylate (UA) using isosorbide and other acrylate monomers to enhance film properties and their curing kinetics. Especially we used Isophorone diisocyanate (IPDI) which are non-yellowing type chemicals. And hydroxyl-terminated polydimethylsiloxane(PDMS) was used for heat resistance. The poly urethane acrylate(PUA) was characterized by using Gel permeation chromatography (GPC) and Fourier-transform infrared spectroscopy(FT-IR). The UV-curable coatings were prepared by PDMS-based PUA polymer blending under the different weight ratios.