{"title":"Maximizing Performance of the Membranes Based on Quaternized Polysulfone/Polyvinil Alcohol for Biomedical Applications: Rheological Investigations","authors":"A. Filimon, R. Albu, E. Avram","doi":"10.5281/zenodo.1110916","DOIUrl":null,"url":null,"abstract":"The rheological response of blends obtained from \nquaternized polysulfone and polyvinyl alcohol in N-methyl-2- \npyrrolidone as against structural peculiarity of polymers from the \nblend, composition of polymer mixtures, as well as the types of \ninteractions were investigated. Results show that the variation of \npolyvinyl alcohol composition in the studied system determines \nchanges of the rheological properties, suggesting that the PVA acts as \na plasticizer. Consequently, rheological behavior of complex system, \ndescribed by the nonlinear flow curve, indicates the impact of \npolyvinil alcohol content to polysulfone solution, in order to facilitate \nthe subsequently preparation of bioactive membranes.","PeriodicalId":23701,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering","volume":"50 1","pages":"776-779"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5281/zenodo.1110916","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The rheological response of blends obtained from
quaternized polysulfone and polyvinyl alcohol in N-methyl-2-
pyrrolidone as against structural peculiarity of polymers from the
blend, composition of polymer mixtures, as well as the types of
interactions were investigated. Results show that the variation of
polyvinyl alcohol composition in the studied system determines
changes of the rheological properties, suggesting that the PVA acts as
a plasticizer. Consequently, rheological behavior of complex system,
described by the nonlinear flow curve, indicates the impact of
polyvinil alcohol content to polysulfone solution, in order to facilitate
the subsequently preparation of bioactive membranes.
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