期刊論文
學年 | 83 |
---|---|
學期 | 1 |
出版(發表)日期 | 1995-01-01 |
作品名稱 | Membrane formation by isothermal precipitation in polyamide-formic acid-water systems II. Precipitation dynamics |
作品名稱(其他語言) | |
著者 | Cheng, Liao Ping; Dwan, An Hwa; Gryte, Carl C. |
單位 | 淡江大學化學工程與材料工程學系 |
出版者 | Hoboken: John Wiley & Sons, Inc. |
著錄名稱、卷期、頁數 | Journal of Polymer Science, Part B: Polymer Physics 33(2), pp.223-235 |
摘要 | An analysis is presented, which describes the isothermal ternary diffusion process encountered in the formation of the aliphatic polyamide membranes such as Nylon-66 by direct immersion-precipitation of a polymeric solution in a nonsolvent bath. A material coordinate is employed to derive the mass transfer equations for the membrane solution. The convective mass transfer in the coagulation bath is taken into account by solving the hydrodynamic boundary layer equations. Diffusion coefficients were measured and used to deduce ternary phenomenological coefficients. The computed results are found to agree with measured precipitation times and with membrane morphologies observed by scanning electron photomicrographs. |
關鍵字 | polyamide;Nylon-66;microporous;membrane;ternary;diffusion;precipitation |
語言 | en |
ISSN | 0887-6266 |
期刊性質 | 國外 |
收錄於 | SCI EI |
產學合作 | |
通訊作者 | |
審稿制度 | |
國別 | USA |
公開徵稿 | |
出版型式 | 紙本 |
相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/44198 ) |