Add time:08/27/2019         Source:sciencedirect.com

Oriented monolayers of vinyl stearate were photolytically polymerized with uv radiation at the air-water and nitrogen-water interfaces. Experiments were conducted on a film balance. Measurements of surface pressure, surface potential, relative surface viscosity, and infrared internal reflectance spectra provided means for characterizing reactants and products, and determining reaction kinetics. Complete conversion of monomer was achieved. The monolayer polymerization was found to be best fit by a second-order rate expression. The reaction rate constant increased as the irradiation area was increased.

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