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Title:Mehanizem nastajanja polimerne asimetrične porozne membrane z mokrim postopkom fazne inverzije
Authors:Stropnik, Črtomir (Author)
Oberš, Leonida (Author)
Lahovnik, Vesna (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-M8MLYT25
 
Language:Slovenian
Work type:Not categorized (r6)
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Kvalitativno je predstavljen mehanizm nastajanja polimerne asimetrične porozne membrane po mokrem postopku fazne inverzije. Nastanek morfoloških značilnosti membran iz celuloznega acetata, polisulfona, polimetilmetakrilata,termoplastičnega poliuretana in poliamida 4,6 je interpretiran s `potmi sestave` v ternarnem faznem diagramu polimer/topilo:netopilo ter podprt z evidencami pojavov motnosti med nastajanjem membrane, skrčitve ulite raztopine polimera v (proto)membrano in s permeabilnostjo nastalih membran z vodo.
Keywords:kemija, polimeri, membrane, nastanek membran, morfologija, motnost, skrčitev, pretok
Year of publishing:1997
Publisher:Inštitut za kovinske materiale in tehnologije
Number of pages:str. 73-76
Numbering:Letn. 31, št. 1/2
UDC:678.7
ISSN on article:1318-0010
COBISS_ID:2980886 Link is opened in a new window
NUK URN:URN:SI:UM:DK:NPQAR8RY
Views:495
Downloads:36
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Categories:Misc.
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1318-0010
COBISS.SI-ID:31742209 New window

Secondary language

Language:English
Title:Mechanism of the polymer asymmetric porous membrane formation by wet phase inversion
Abstract:The mechanism of polymeric asymmetric porous membranes prepared by the wet phase inversion process is qualitatively presented. The formation of the morphological characteristic features of membranes from cellulose acetate, polysulfone, poly(methylmetacrylate), thermoplasric polyuretane and polyamide 4,6 is interpreted in terms of the `composition path` in the ternary phase diagram polymer/solvent:nonsolvent and supported by evidences of turbidity phenomena taking place during membrane formation, shrinkage of the cast solution of polymer to the (proto)membrane, and water permeability of membranes.
Keywords:chemistry, polymers, membranes, membrane formation, morphology, turbidity, shrinkage, permeability


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