| 학회 | 한국화학공학회 |
| 학술대회 | 1998년 봄 (04/24 ~ 04/25, KOEX) |
| 권호 | 4권 1호, p.1321 |
| 발표분야 | 이동현상 |
| 제목 | 고분자에서의 다성분 물질의 확산 |
| 초록 | In this study, vapor sorption FTIR-ATR (Fourier Transform Infrared Attenuated Total Reflectance) spectroscopy was introduced and combined with a conventionalsorption balance. Mutual diffusion coefficients of methyl ethyl ketone (MEK) inpolyisobutylene (PIB) were measured at various penetrant activities and temperatures inthe range 40-60℃ using the gravimetric sorption balance, FTIR-ATR spectroscopy, andcapillary column inverse gas chromatography (CCIGC) techniques. The diffusioncoefficients determined from the three methods agreed very well with each other. Inaddition, the diffusion behavior of MEK/toluene mixtures in PIB was investigated usingvapor sorption FTIR-ATR spectroscopy. FTIR-ATR Fickian diffusion models for bothternary and binary systems were used to determine diffusion coefficients. Diffusioncoefficients for mixtures in PIB compared well with those determined from purecomponent diffusion experiments. |
| 저자 | 홍성욱 |
| 소속 | 한국과학기술(연) |
| 키워드 | Multicomponent; Diffusion; Polymer |
| 원문파일 | 초록 보기 |
