120th General Meeting of the KCS

Type Poster Presentation
Area Polymer Chemistry
Room No. Exhibition Hall 2+3
Time 10월 20일 (금요일) 13:00~14:30
Code POLY.P-14
Subject A Simple Method to Fabricate a Janus Membrane via Post-Electrospinning Functionalization of Reactive Random Copolymers
Authors Sol An, Myungwoong Kim*
Department of Chemistry, Inha University, Korea
Abstract We demonstrate the fabrication of a Janus membrane, exhibting different physical/chemical properties of one side from the other, by post-electrospinning functionalization of electrospun polymeric nanofibers. The nanofiber consisted of poly(styrene-random-glycidyl methacrylate), namely P(S-r-GMA), where dopamine is incorporated in only one side via post-electrospinning modification. Since epoxy groups in GMA can react with strong nucleophiles such as amine, hydroxyl, and thiol groups; the electrospun P(S-r-GMA) nanofibrous mat was functionalized with amine in dopamine by floating on the surface of an aqueous reactant solution and subsequent heating. Incorporation of dopamine was confirmed by Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, and contact angle measurements. Resulting membrane was further utilized for catching metallic particles using the metal adhesion characteristic of catechol group. Our results will provide an effective route to facilitate the fabrication of Janus membrane using electrospinning of reactive polymers.
E-mail ahnsol93@hanmail.net