Fluorescence microscopic investigation of PCE superplasticiser adsorption in calcined clay blended cement

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dc.date.accessioned2024-05-31T14:48:53Z
dc.date.available2024-05-31T14:48:53Z
dc.date.issued2024-03-31
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.identifierdoi:10.17170/kobra-2024051710156
dc.identifier.urihttp://hdl.handle.net/123456789/15798
dc.language.isoeng
dc.relation.doidoi:10.1111/jmi.13294
dc.relation.projectidGrant Number: 460294323
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectcalcined clayseng
dc.subjectESEMeng
dc.subjectfluorescence microscopyeng
dc.subjectfluorophoreseng
dc.subjectlight microscopyeng
dc.subjectparticle fixationeng
dc.subjectPCEeng
dc.subjectstainingeng
dc.subjectsuperimpositioneng
dc.subject.ddc500
dc.subject.ddc540
dc.subject.ddc660
dc.subject.swdTonerdeger
dc.subject.swdRasterelektronenmikroskopieger
dc.subject.swdFluoreszenzmikroskopieger
dc.subject.swdFluorophoreger
dc.subject.swdMikroskopieger
dc.subject.swdPolymereger
dc.subject.swdAdsorptionger
dc.subject.swdBetonverflüssigerger
dc.titleFluorescence microscopic investigation of PCE superplasticiser adsorption in calcined clay blended cementeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractGlobal efforts to minimise carbon dioxide emissions are also leading to attempts to use calcined clays (CC) as a partial substitute for cement in concrete. While the hydration mechanism of such CC blended cements is now well understood, the range of effective admixtures like polycarboxylate ethers (PCE) is limited. There are PCE types that promise relatively high effectiveness, but the mechanisms of action are not yet sufficiently understood. For a detailed understanding of the adsorption of such PCEs, spatially resolved studies of the binder were performed using a combination of fluorescence and scanning electron microscopy. In a comparison of two superplasticisers, the investigations have shown different sites of preferred adsorption in a CC blended system and the results can be correlated with flow tests and setting behaviour. The investigations have shown that a certain PCE type has a higher adsorption on CC and other components of a blended system in comparison to other types.eng
dcterms.accessRightsopen access
dcterms.creatorKosenko, Denis
dcterms.creatorWetzel, Alexander
dcterms.creatorMiddendorf, Bernhard
dcterms.source.identifiereissn:1365-2818
dcterms.source.issueIssue 2
dcterms.source.journalJournal of Microscopyeng
dcterms.source.pageinfo215-224
dcterms.source.volumeVolume 294
kup.iskupfalse

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