We developed a regenerable antifouling membrane using photo-dynamic reversible cross-linking. We modified a branched polymer with photo-responsive group, and coated it to a membrane by dip-coating method. The combined results of Fourier-transform infrared spectroscopy, proton nuclear magnetic resonance spectroscopy, X-ray photoelectron spectroscopy, and field-emission scanning electron microscopy measurements clearly revealed that the modified polymer were successfully synthesized ,and coated to the membrane by photo-dynamic reversible cross-linking. As expected, the modified film could be detached by UV irradiation. In addition, the photo-reversible membrane surface was recovered decreased water flux by photo-induced regeneration process.

• 윤태선(서울대학교 재료공학부, Department of Materials Science and Engineering, Seoul National University) | Taeseon Yun
• 곽승엽(서울대학교 재료공학부, Department of Materials Science and Engineering, Seoul National University) | Seung-Yeop Kwak