Evaluation of the curing process of UV resins in a 1,1,1,3,3-pentafluoropropane gas environment by photo differential scanning calorimetry and Fourier transform infrared spectroscopy
2011
The formation of bubble defects during UV-nanoimprinting can be prevented by carrying out the process in a 1,1,1,3,3-pentafluoropropane (PFP) gas environment. The authors therefore evaluated the curing time and the calorific value of UV-curable resins in a PFP gas environment by photo differential scanning calorimetry and their polymerization degree by Fourier transform infrared spectroscopy. The authors found that UV-curable resins polymerized more efficiently in PFP than in air because PFP dissolves in the resins.
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