| 초록 |
Hybrid membrane of amphiphilic graft copolymer poly(vinyl chloride)‐g‐poly(oxyethylene methacrylate) (PVC‐g‐POEM) and titanium isopropoxide (TTIP) is fabricated for ultrafiltration water treatment. With the addition of TTIP, the surface pore size and surface porosity increased, resulting in improved water permeance. Self-assembly of TTIP with the POEM side chains induced well-organized structure with high porosity and high water content, which enhanced antifouling properties of the membranes. Treatment in 80 °C water enhanced both BSA rejection and flux ratio recovery (FRR) value, attributed by accelerated dissolution of TTIP. The PVC‐g‐POEM/TTIP membrane prepared at 25 °C shows the best performance, reaching 338 L m−2 h−1 bar−1 (LMH) water permeance, 89.4 % BSA rejection, and 91.9 % FRR. |
