A novel practical approach for monitoring the crosslink density of an ethylene propylene diene monomer compound: Complementary scanning acoustic microscopy and FIB-SEM-EDS analyses

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dc.authoridGüralp Özkoç / 0000-0002-3194-5256en_US
dc.authorscopusidGüralp Özkoç / 6602128118
dc.authorwosidGüralp Özkoç / F-7917-2018
dc.contributor.authorYazıcı, Nazlı
dc.contributor.authorOpar, Ekin
dc.contributor.authorKodal, Mehmet
dc.contributor.authorTanören, Bükem
dc.contributor.authorSezen, Meltem
dc.contributor.authorÖzkoç, Güralp
dc.date.accessioned2022-02-03T10:43:54Z
dc.date.available2022-02-03T10:43:54Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Bölümüen_US
dc.description.abstractTuning of the crosslink density (CLD) in the rubber compounds is very crucial for optimizing the physical and mechanical properties of the ultimate rubber products. Conventionally, CLD can be measured via rheological methods such as moving die rheometer (MDR), via mechanical tests such as temperature scanning stress relaxation analysis (TSSR), or via direct swelling experiments using Flory–Rehner approach. In the current study, two novel techniques, focused ion beam - scanning electron microscopy (FIB-SEM) processing, with simultaneous energy dispersive X-ray spectrometry (EDS) mapping analysis and scanning acoustic microscopy (SAM) were combined and correlated to conventional methods on a model recipe of ethylene propylene diene monomer (EPDM) compound having different sulphur contents. Depending on the applied technique, the increase in the crosslink density with sulphur content was found to be 1.7 fold for the Flory–Rehner approach and 1.2 fold for both TSSR and MDR. It is directly monitored from the FIB-SEM-EDS analysis that the sulphur distribution and agglomeration behavior increased in line with ZnO content, which is an indirect indication of the rise in crosslink density. The impedance maps of the crosslinked samples obtained through SAM analysis revealed that the impedance of the samples increased with the increasing sulphur content, which can be attributed to higher level of crosslink density. A quantified correlation was obtained between SAM images and the crosslink density of the samples. It was shown that SAM is a promising tool for practical and non-destructive analysis for determining the formation of crosslink density of the rubbers. © The Author(s) 2022.en_US
dc.identifier.citationYazıcı, N., Opar, E., Kodal, M., Tanören, B., Sezen, M., & Özkoç, G. (2022). A novel practical approach for monitoring the crosslink density of an ethylene propylene diene monomer compound: Complementary scanning acoustic microscopy and FIB-SEM-EDS analyses. Polymers and Polymer Composites, 30 doi:10.1177/09673911221074193en_US
dc.identifier.doi10.1177/09673911221074193en_US
dc.identifier.issn0967-3911en_US
dc.identifier.scopus2-s2.0-85123486460en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://doi.org/10.1177/09673911221074193
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2458
dc.identifier.volume30en_US
dc.identifier.wosWOS:000747578000001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖzkoç, Güralp
dc.language.isoenen_US
dc.publisherSAGEen_US
dc.relation.ispartofPolymers and Polymer Compositesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCrosslink Densityen_US
dc.subjectCrosslinkingen_US
dc.subjectEthylene Propylene Diene Monomeren_US
dc.subjectFocused Ion Beam - Scanning Electron Microscopyen_US
dc.subjectScanning Acoustic Microscopyen_US
dc.titleA novel practical approach for monitoring the crosslink density of an ethylene propylene diene monomer compound: Complementary scanning acoustic microscopy and FIB-SEM-EDS analysesen_US
dc.typeArticleen_US

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