Homogeneous synthesis and characterization of sulfonated polyarylethersulfones having low degree of sulfonation and highly hydrophilic behavior

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• 作者：Valentina Sabatini ; Stefano Checchia ; Hermes Farina…
• 关键词：sulfonated polyarylethersulfone ; homogeneous synthesis ; hydrophilic membranes
• 刊名：Macromolecular Research
• 出版年：2016
• 出版时间：September 2016
• 年：2016
• 卷：24
• 期：9
• 页码：800-810
• 全文大小：685 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Physical Chemistry
  Polymer Sciences
  Characterization and Evaluation of Materials
  Soft and Granular Matter, Complex Fluids and Microfluidics
  Nanochemistry
  Nanotec
  
• 出版者：The Polymer Society of Korea, co-published with Springer
• ISSN：2092-7673
• 卷排序：24

文摘

In the present paper, the wettability of polyarylethersulfones (PESs) was promoted through the controlled introduction of sulfonic groups in PES polymeric chain. Homogeneous synthesis using a sulfonated comonomer introduced sulfonic groups while exerting a tight control over the degree of sulfonation (DS) and avoiding the undesired side reactions brought about by heterogeneous sulfonation reactions. A series of sulfonated polyarylethersulfones (SPESs) with very low amounts of sulfonic groups - 0.5, 0.75, and 1 meq SO₃-*g-1 of polymer - was synthesized via polycondensation using 4,4’-difluorodiphenylsulfone, 4,4’-dihydroxydiphenyl and a sulfonated comonomer, 2,5-dihydroxybenzene-1-sulfonate potassium salt. The presence of sulfonic groups was confirmed by Fourier transform infrared (FTIR) spectra; the macromolecular structure and the real DS of SPESs were determined by 1H NMR; the molecular weights were investigated by size exclusion chromatography (SEC); ion exchange capacity (IEC) values, measured by potentiometric titration, are in good agreement with the experimental DS. The polyelectrolyte effect was studied on intrinsic viscosity (IV) measurements. The effect of DS on the thermal properties of SPES membranes was studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC); wetting properties were characterized by static water contact angle (SWCA) measurements on membranes obtained via solution casting. The results showed that an increased DS results in higher glass transition temperatures (T_g) and lower water contact angles, the latter dropping from \(\overline {91} ^\circ \) to \(\overline {43} ^\circ \) as DS was raised from 0 to 1.0 meq SO₃-*g-1. This work demonstrates that homogeneous synthesis of SPES is an efficient way to prepare SPES membranes with tightly controlled DS and enhanced hydrophilic properties, in particular, an excellent hydrophilic SWCA even at very low amounts of sulfonic moieties.Keywordssulfonated polyarylethersulfonehomogeneous synthesishydrophilic membranesReferences(1).P. Bai, X. Cao, Y. Zhang, Z. Yin, Q. Wei, and C. Zhao, J. Biomater. Sci., 21, 12 (2010).CrossRefGoogle Scholar(2).M. S. Kang, Y. J. Choi, T. H. Yoon, and S. H. Moon, J. Membr. Sci., 216, 1 (2003).CrossRefGoogle Scholar(3).M. Koh, M. M. Clark, and K. J. Howe, J. Membr. Sci., 256, 1 (2005).Google Scholar(4).C. Iojoiu, M. Maréchal, F. Chabert, and J. Y. Sanchez, Fuel Cells, 5, 3 (2005).CrossRefGoogle Scholar(5).W. Zhao, C. He, H. Wang, B. Su, S. Sun, and C. Zhao, Ind. Eng. Chem. Res., 50, 6 (2011).Google Scholar(6).B. Liu, W. Hu, G. P. Robertson, and M. D. Guiver, J. Mater. Chem., 18, 39 (2008).Google Scholar(7).F. Ran, S. Nie, J. Li, B. 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J., 49, 3 (2013).CrossRefGoogle ScholarCopyright information© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2016Authors and AffiliationsValentina Sabatini1Stefano Checchia1Hermes Farina1Marco Aldo Ortenzi1Email author1.CRC Materiali Polimerici (LaMPo)Dipartimento di Chimica degli Studi di MilanoMilanoItaly About this article CrossMark Print ISSN 1598-5032 Online ISSN 2092-7673 Publisher Name The Polymer Society of Korea About this journal Reprints and Permissions Article actions function trackAddToCart() { var buyBoxPixel = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox", product: "10.1007/s13233-016-4105-6_Homogeneous synthesis and characte", productStatus: "add", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); buyBoxPixel.sendinfo(); } function trackSubscription() { var subscription = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox" }); subscription.sendinfo({linkId: "inst. subscription info"}); } window.addEventListener("load", function(event) { var viewPage = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "SL-article", product: "10.1007/s13233-016-4105-6_Homogeneous synthesis and characte", productStatus: "view", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); viewPage.sendinfo(); }); Log in to check your access to this article Buy (PDF)EUR 34,95 Unlimited access to full article Instant download (PDF) Price includes local sales tax if applicable Find out about institutional subscriptions Export citation .RIS Papers Reference Manager RefWorks Zotero .ENW EndNote .BIB BibTeX JabRef Mendeley Share article Email Facebook Twitter LinkedIn Cookies We use cookies to improve your experience with our site. 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