A Study on Oxygen Permeability of Polypropylene Membranes and their Temperature Dependency using Medical Oxygen Sensor
Lee, J.H.(Dongnam Health College, Suwon, Republic of Korea) | Kim, T.J.(The University of Suwon, Whaseong, Republic of Korea)E-mail:[email protected]
The oxygen permeation characteristics of BOPP, OPP and CPP membranes were studied against various thicknesses and temperatures. The experimental results showed that the present method of using electrochemical oxygen sensor was a convenient method for measurement of membrane permeability of oxygen and its activation energy, while the thickness dependency on permeability has an order of BOPP greater than CPP greater than OPP. And the activation energy of oxygen permeability showed different values for each membrane ranging from 13.1 kJ/mol to 28.5 kJ/mol, without depending on membrane thickness, presumably due to its depending upon membrane material itself.
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