Abstract
New fully biobased formulation was developed and UV cured to obtain a polymer network useful for coating applications. Lipoic acid and isosorbide diallyl were used as functional monomer for thiol-ene chemistry. Radical UV curing was used to get the network from the liquid resin. The fully biobased formulation was UV cured and tested. Photorheology was employed to follow the reaction kinetic. Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR) analysis was done to confirm the cross-linking. Thermal characterization was performed by means of Differential Scanning Calorimetry (DSC). The Tg of the network was comparable with the thiol-ene network previously studied. A complete coating characterization was performed by measuring contact angle, adhesion, and pencil hardness. The obtained results indicated suitable performance for coating applications.
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