Fine structure and formation mechanism of particulate phase-inversion poly(vinylidene fluoride) membranes
| dc.contributor.author | Lin, D. J. | en |
| dc.contributor.author | Beltsios, K. | en |
| dc.contributor.author | Chang, C. L. | en |
| dc.contributor.author | Cheng, L. P. | en |
| dc.date.accessioned | 2015-11-24T17:34:26Z | |
| dc.date.available | 2015-11-24T17:34:26Z | |
| dc.identifier.issn | 0887-6266 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13962 | |
| dc.rights | Default Licence | - |
| dc.subject | poly(vinylidene fluoride) | en |
| dc.subject | phase-inversion membranes | en |
| dc.subject | crystallization | en |
| dc.subject | morphology | en |
| dc.subject | spherulite | en |
| dc.subject | immersion-precipitation | en |
| dc.subject | morphology | en |
| dc.subject | systems | en |
| dc.subject | crystallization | en |
| dc.subject | separation | en |
| dc.subject | polyethylene | en |
| dc.subject | 1-octanol | en |
| dc.subject | polymers | en |
| dc.subject | behavior | en |
| dc.subject | spheres | en |
| dc.title | Fine structure and formation mechanism of particulate phase-inversion poly(vinylidene fluoride) membranes | en |
| heal.abstract | The structure and formation mechanism of a microporous phase-inversion poly(vinylidene fluoride) (PVDF) membrane exhibiting a relatively loosely packed agglomerate of semicrystalline globules are explored. The membrane has been prepared by the coagulation of a solution of PVDF in dimethylformamide by the action of 1-octanol, which is a soft nonsolvent. Experimental observations pertain to the globule surface, which is dominated by a grainy nanostructure; the globular interior, which exhibits a range of fine structures (e.g., twisted sheets and treelike branches); and the globule-globule connections, which exhibit a sheetlike or ropelike structure. On the basis of the observed structural details and phase diagram considerations, it is proposed that the membrane structure is the result of a unique combination of a polymer crystallization and a liquid-liquid phase-separation process, with end-result globular structural features of remarkable uniformity. (C) 2003 Wiley Periodicals, Inc. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | Doi 10.1002/Polb.10513 | - |
| heal.identifier.secondary | <Go to ISI>://000183564000016 | - |
| heal.identifier.secondary | http://onlinelibrary.wiley.com/store/10.1002/polb.10513/asset/10513_ftp.pdf?v=1&t=h3fkedpj&s=26b2385a55932643b600db3c7b0893645d868331 | - |
| heal.journalName | Journal of Polymer Science Part B-Polymer Physics | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2003 | - |
| heal.publisher | Wiley | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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