THE IMPORTANCE AND INFLUENCE OF RHEOLOGICAL PROPERTIES OF POLYMER SOLUTIONS IN PHASE INVERSION PROCESS AND MORPHOLOGY OF POLYMERIC MEMBRANES

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ZADHOUSH ALI; HOSSEINI SEYED SAEID; MOUSAVI SEYEDEH MOHADDESEH

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Journal: Iranian Journal of Polymer Science and Technology Year:2016 | Volume:28 | Issue:5 Page(s): 351-371

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Title

THE IMPORTANCE AND INFLUENCE OF RHEOLOGICAL PROPERTIES OF POLYMER SOLUTIONS IN PHASE INVERSION PROCESS AND MORPHOLOGY OF POLYMERIC MEMBRANES

Author(s)

ZADHOUSH ALI | HOSSEINI SEYED SAEID | MOUSAVI SEYEDEH MOHADDESEH | Issue Writer Certificate

Keywords

RHEOLOGICAL PROPERTIESQ1

POLYMERIC MEMBRANESQ1

MORPHOLOGYQ2

GELATION RATEQ1

PHASE INVERSION PROCESSQ1

Abstract

Considering the rapid progress in applications of membrane separation technologies in various industries and the importance of morphologically asymmetrical membranes in governing the separation performance inmembrane systems, control of this parameter in the membrane fabrication process isregarded as a prominent subject in this field. Hence, investigation on the rheologicalproperties of polymer solutions, including viscoelasticity and gelation behaviorand their influence on the membrane formation and morphological structure of them embranes including flat sheet and hollow fiber membranes is a prerequisite to produce asymmetric membranes with desirable characteristics. Phase inversion is the most widely used technique for the preparation of asymmetric membranes. The two major mechanisms of liquid-liquid and solid-liquid demixing in membrane fabricationprocess affect the MORPHOLOGY of the membranes. Therefore, controlling the phaseinversion in the early stage can greatly influence the microstructure of the membrane.The rheological behavior of polymer solutions during the fabrication of membranes as well as other factors that influence the morphological structure of the membranes have been evaluated in the present study. In addition, the principles governing the rheologyof polymer solutions such as viscoelasticity, shear and extensional viscosity play acrucial role in determining the membrane MORPHOLOGY and separation performance.Due to the interaction of the rheology of polymer solutions and phase inversion, the effects of changes in the RHEOLOGICAL PROPERTIES on the phase inversion and the formation of membranes with different structures and morphologies are studied. Furthermore, in addition to the analysis of the relaxation time and gelation mechanisms, discussions are provided on the determination of the final membrane MORPHOLOGY considering the competition between the domains growth and GELATION RATEs.

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APA: Copy

ZADHOUSH, ALI, HOSSEINI, SEYED SAEID, & MOUSAVI, SEYEDEH MOHADDESEH. (2016). THE IMPORTANCE AND INFLUENCE OF RHEOLOGICAL PROPERTIES OF POLYMER SOLUTIONS IN PHASE INVERSION PROCESS AND MORPHOLOGY OF POLYMERIC MEMBRANES. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 28(5), 351-371. SID. https://sid.ir/paper/6731/en

Vancouver: Copy

ZADHOUSH ALI, HOSSEINI SEYED SAEID, MOUSAVI SEYEDEH MOHADDESEH. THE IMPORTANCE AND INFLUENCE OF RHEOLOGICAL PROPERTIES OF POLYMER SOLUTIONS IN PHASE INVERSION PROCESS AND MORPHOLOGY OF POLYMERIC MEMBRANES. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2016;28(5):351-371. Available from: https://sid.ir/paper/6731/en

IEEE: Copy

ALI ZADHOUSH, SEYED SAEID HOSSEINI, and SEYEDEH MOHADDESEH MOUSAVI, “THE IMPORTANCE AND INFLUENCE OF RHEOLOGICAL PROPERTIES OF POLYMER SOLUTIONS IN PHASE INVERSION PROCESS AND MORPHOLOGY OF POLYMERIC MEMBRANES,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 28, no. 5, pp. 351–371, 2016, [Online]. Available: https://sid.ir/paper/6731/en

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