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Sulfone-type crosslinks in sulfonation of macronet polystyrene backbone

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dc.contributor.author Theodoropoulos, AG en
dc.contributor.author Tsakalos, VT en
dc.contributor.author Valkanas, GN en
dc.date.accessioned 2014-03-01T01:09:34Z
dc.date.available 2014-03-01T01:09:34Z
dc.date.issued 1993 en
dc.identifier.issn 0032-3861 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11084
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-0007191790&partnerID=40&md5=45091bd8e8235dbba9a7cc8ce75b32e2 en
dc.subject 1,4-dichloromethyl-2,5-dimethylbenzene en
dc.subject chlorosulfuric acid en
dc.subject Friedel-Crafts crosslinking en
dc.subject ion-exchange resins en
dc.subject macronet polystyrene en
dc.subject sulfone-type crosslinks en
dc.subject.classification Polymer Science en
dc.subject.other PHYSICAL CHARACTERIZATION en
dc.subject.other PARTICLES en
dc.subject.other PRODUCTS en
dc.subject.other NETWORKS en
dc.title Sulfone-type crosslinks in sulfonation of macronet polystyrene backbone en
heal.type journalArticle en
heal.language English en
heal.publicationDate 1993 en
heal.abstract Post-polymerization crosslinking of polystyrene solutions followed by sulfonation has been studied for the preparation and characterization of macronet crosslinked sulfonated polystyrene. A bifunctional benzene derivative (1,4-dichloromethyl-2,5-dimethyl benzene) was used as the crosslinking agent for the main crosslinking reaction. Extensive sulfone-type bridging was found to occur during sulfonation. In addition, the ion-exchange resins that were achieved by this process show increased network density at high sulfonating agent molar ratios. Determination of the porosity and the degree of swelling of the polymers in water was also performed in order to demonstrate the effects of the nominal sulfonating agent concentration on network properties. © 1993. en
heal.publisher ELSEVIER SCI LTD en
heal.journalName Polymer en
dc.identifier.isi ISI:A1993LY78600021 en
dc.identifier.volume 34 en
dc.identifier.issue 18 en
dc.identifier.spage 3905 en
dc.identifier.epage 3910 en


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