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ZHOU Mi, FU Yuan-yong, LIU Yi-bao, JU Wei, CHEN Dong-feng. Effect of UV-irradiation on Etching Polypropylene Nuclear Pore Membrane[J]. Atomic Energy Science and Technology, 2014, 48(1): 189-192. DOI: 10.7538/yzk.2014.48.01.0189
Citation: ZHOU Mi, FU Yuan-yong, LIU Yi-bao, JU Wei, CHEN Dong-feng. Effect of UV-irradiation on Etching Polypropylene Nuclear Pore Membrane[J]. Atomic Energy Science and Technology, 2014, 48(1): 189-192. DOI: 10.7538/yzk.2014.48.01.0189
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Effect of UV-irradiation on Etching Polypropylene Nuclear Pore Membrane

  • 1.

    Graduate School of East China Institute of Technology, Nanchang 330013, China

  • 2.

    China Institute of Atomic Energy, P. O. Box 275-118, Beijing 102413, China

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  • 16 μm polypropylene (PP) films irradiated by 32S and 79Br were sensitized for 6, 8, 10 and 12 h on both sides by UV-irradiation light whose main peak wavelength is 365 nm. The mixed solution of potassium dichromate and sulfuric acid was used as etchant for the film samples. The conductance measurement was applied to monitor the current change with etching time. The breakthrough time of the samples at different sensitization time was measured. With the same ion irradiation, the longer the sensitization time, the faster the etching rate. The relation between sensitization time and the etching rate also depends on the irradiating ions. At the same sensitization time (12 h) and etching conditions, the breakthrough time for samples irradiated by 32S is 4.8 times of that by 79Br.
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