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Journal of NanomaterialsVolume 2012 2012, Article ID 418021, 5 pages

Research Article

Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 1266 Sinjeong-dong, Jeongeup, Jeonbuk 580-185, Republic of Korea

Department of Organic Materials and Fibers Engineering, Chonbuk National University, Jeongju 561-756, Republic of Korea

Received 23 February 2012; Accepted 16 April 2012

Academic Editor: Sevan P. Davtyan

Copyright © 2012 Jong-Seok Park et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A nanoporous high-density polyethylene HDPE membrane was prepared by a wet process. Soybean oil and dibutyl phthalate DBP were premixed as codiluents, and gamma-rays were used for the cross-linking of HDPE. The pore volume of the nanoporous HDPE membranes with soybean oil was affected by the extracted amount of oil. The tensile strength of the membrane improved with an increasing absorbed dose up to 60 kGy, but decreased at 80 kGy due to severe degradation. The ionic conductivity of the nanoporous HDPE membrane did not really change with an increasing absorbed dose because the pores had already been formed before the gamma-ray radiation. Finally, the electrochemical stability of the HDPE membrane increased when the absorbed dose increased up to 60 kGy.

Author: Jong-Seok Park, Jong-Bae Choi, Hui-Jeong Gwon, Youn-Mook Lim, Myung Seob Khil, Phil-Hyun Kang, and Young-Chang Nho

Source: https://www.hindawi.com/


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