| 학회 | 한국고분자학회 |
| 학술대회 | 2005년 봄 (04/14 ~ 04/15, 전경련회관) |
| 권호 | 30권 1호, p.548 |
| 발표분야 | 고분자 구조 및 물성 |
| 제목 | Phase separation behavior of immiscible polystyrene blends in non-equilibrium state |
| 초록 | Surface morphology on hydrophilic silicon wafer in spin cast thin films of immiscible polystyrene blends, such as polystyrene/poly(methyl methacrylate), polystyrene/ polybutadiene and polystyrene/ poly(vinyl pyridine), was investigated by AFM. The blend composition and the solution concentration of each blend system were varied and the three distinct morphologies of the blend thin films including sea-island, reverse sea-island (pitted), and bicontinuous-like structures were observed. The surface morphologies of the blend films were affected by glass transition temperature of the polymers and the interaction between polymer-solvent and/or polymer-substrate. Table 1. Molecular characteristics of PS, PMMA, PB and PVP Figure 1. AFM topographical images (10×10 ㎛2) of PS based blend films on a silicon oxide substrate : (a) PS/PMMA (70/30 w/w in toluene) (b) PS/PVP (70/30 w/w in THF) (c) PS/PB (70/30 w/w in toluene). 참고문헌 1. K. Tanaka, A. Takahara, T. Kajiyama, Macromolecules, 29, 3232 (1996). 2. C. Ton-That, A.G. Shard, R.H. Bradley, Polymer, 43, 4973 (2002). 3. T.G. Stange, D.F. Evans, W.A. Hendrickson, Langmuir, 13, 4459 (1997). 4. P.J. Yoo, K.Y. Suh, H.H. Lee, Macromolecules, 35, 3205 (2002). |
| 저자 | 조성준, 김광석, 진인주 |
| 소속 | 인하대 |
| 키워드 | phase separation; non-equilibrium; polystyrene; immiscibility; thin film |
