Robust microencapsulated phase change materials in concrete mixes for sustainable buildings

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dc.authorid0000-0003-3200-8595
dc.authorid0000-0001-9850-0297
dc.authorid0000-0001-6750-480X
dc.contributor.authorBeyhan, Beyza
dc.contributor.authorCellat, Kemal
dc.contributor.authorKonuklu, Yeliz
dc.contributor.authorGungor, Caner
dc.contributor.authorKarahan, Okan
dc.contributor.authorDundar, Cengiz
dc.contributor.authorPaksoy, Halime
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2017
dc.departmentNiğde ÖHÜ
dc.description.abstractFor passive building applications, phase change materials (PCMs) are microencapsulated to avoid leakage of PCM from concrete structure. The primary challenge of using microencapsulated PCM (MPCM) is its weak shell structure. New MPCMs with different shell compositions to prevent breakage during mixing in fresh concrete are needed. In this study, free radical polymerization method to microencapsulate capric acid-myristic acid mixture as PCM with two different methyl methacrylate co-polymers is proposed to produce robust MPCMs for building applications. Two new microcapsules (MPCM-1 and MPCM-2) having latent heats of 91.9 and 97.3 J/g were synthesized. SEM analyses showed the size of microcapsules being in the range of 400-850 nm for MPCM-1 and 250-475 nm for MPCM-2. Analyses also reveal that the shells of MPCMs were not harmed, as they were added into concrete mixes. The microsphere's geometry was preserved, and distribution was homogeneous. The MPCMs were also studied under thermal tests of 1000 heating/cooling cycles. No significant changes in thermal properties were observed after thermal cycling tests. Copyright (C) 2016 John Wiley & Sons, Ltd.
dc.description.sponsorshipTUBITAK [111M557]; Cukurova University under BAP project [FDK-2015-3277, FDK-2015-3278]; Kambeton Company
dc.description.sponsorshipThe authors would like to acknowledge the support provided by TUBITAK under the project no. 111M557, Cukurova University under BAP project nos. FDK-2015-3277 and FDK-2015-3278, and Kambeton Company.
dc.identifier.doi10.1002/er.3603
dc.identifier.endpage126
dc.identifier.issn0363-907X
dc.identifier.issn1099-114X
dc.identifier.issue1
dc.identifier.scopus2-s2.0-84980006597
dc.identifier.scopusqualityQ1
dc.identifier.startpage113
dc.identifier.urihttps://dx.doi.org/10.1002/er.3603
dc.identifier.urihttps://hdl.handle.net/11480/3530
dc.identifier.volume41
dc.identifier.wosWOS:000394784600009
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherWILEY-BLACKWELL
dc.relation.ispartofINTERNATIONAL JOURNAL OF ENERGY RESEARCH
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectsustainable buildings
dc.subjectphase change materials
dc.subjectfatty acids
dc.subjectmicroencapsulation
dc.titleRobust microencapsulated phase change materials in concrete mixes for sustainable buildings
dc.typeArticle

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