Photopolymerization kinetics of UV curable systems for polymer dispersed liquid crystal

The preparation methods and the materials used for the production of polymer dispersed liquid crystals (PDLC) are reported. The photopolymerization induced phase separation (PIPS) method is also discussed in terms of the kinetic behaviour observed for these materials. In addition, the thermodynamic aspects of the phase separation have been briefly included in the text describing the thermal properties of the mixture before and after UV curing. The determination of the experimental kinetic parameters and the techniques to study photopolymerization reactions are also discussed for UV curable formulations containing mono(meth)acrylate and diacrylate monomers and reactive oligomers. Finally, an example of the photopolymerization kinetic behaviour