Thermal, mechanical, and topographical evaluation of nonstoichiometric alpha-cyclodextrin/poly(epsilon-caprolactone) pseudorotaxane nucleated poly(epsilon-caprolactone) composite films

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dc.authorid0000-0002-4838-4918
dc.authorid0000-0003-1698-2515
dc.authorid0000-0002-7762-2006
dc.authorid0000-0002-2716-7287
dc.authorscopusid56414474100
dc.authorscopusid56486131500
dc.authorscopusid57193013172
dc.authorscopusid55580357700
dc.authorscopusid56218275200
dc.authorscopusid57005891400
dc.authorscopusid55844637300
dc.authorwosidCaydamli, Yavuz/K-8845-2013
dc.authorwosidMATAI, ISHITA/AAR-7517-2021
dc.authorwosidBoy, Ramiz/J-9923-2017
dc.contributor.authorNarayanan, Ganesh
dc.contributor.authorÇaydamlı, Yavuz
dc.contributor.authorTekinalp, Halil
dc.contributor.authorMatai, Ishita
dc.contributor.authorBoy, Ramiz
dc.contributor.authorChung, Ching-Chang
dc.contributor.authorTonelli, Alan E.
dc.date.accessioned2022-05-11T14:28:16Z
dc.date.available2022-05-11T14:28:16Z
dc.date.issued2018
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Tekstil Mühendisliği Bölümü
dc.description.abstractThree pseudorotaxanes (PpR) comprised of poly (epsilon-caprolactone) (PCL) and alpha-cyclodextrin (alpha-CD) with varying stoichiometric ratios were synthesized and characterized. Wide-angle X-ray diffraction (WAXD) and thermogravimetric (TGA) analyses provided conclusive evidence for complexation between the guest PCL and host alpha-CD. The as-synthesized and characterized PpRs were used at 10 and 20% concentrations as nucleants to promote the bulk PCL crystallization in composite films. Both WAXD and TGA provided evidence for intact PpR structures in the composite films. Isothermal differential scanning calorimetric (I-DSC) analyses, performed at various crystallization temperatures demonstrated significant differences in the crystallization patterns among the composite films. In addition, I-DSC analyses showed higher Avrami constant values (n) in the PpR-nucleated composite PCL films (n similar to 3), indicating 3-dimensional crystal growth. In the case of neat PCL films, however, lower n values indicated crystal growth in 1-dimensions or 2-dimensions. Moreover, atomic force microscopic analyses showed large crests and pits in PpR-nucleated PCL composites, with irregular morphologies leading to higher surface roughness. To the contrary, the crests and pits were much smaller in the neat PCL films, resulting in lower surface roughness values. Finally, mechanical testing revealed higher tensile strength for PpR-nucleated PCL composites films, demonstrating larger load bearing capabilities. (c) 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2018, 56, 1529-1537
dc.description.sponsorshipCollege of Textiles, North Carolina State University; Department of Science and Technology (DST), IndiaDepartment of Science & Technology (India); State of North Carolina; National Science FoundationNational Science Foundation (NSF) [ECCS-1542015]
dc.description.sponsorshipThe authors acknowledge the financial support provided by the College of Textiles, North Carolina State University. I. Matai is thankful to the Department of Science and Technology (DST), India for providing the financial support. This work was performed in part at the Analytical Instrumentation Facility (AIF) at North Carolina State University, which is supported by the State of North Carolina and the National Science Foundation (Award No. ECCS-1542015). The AIF is a member of the North Carolina Research Triangle Nanotechnology Network (RTNN), a site in the National Nanotechnology Coordinated Infrastructure (NNCI).
dc.identifier.doi10.1002/polb.24741
dc.identifier.endpage1537
dc.identifier.issn0887-6266
dc.identifier.issn1099-0488
dc.identifier.issue22en_US
dc.identifier.scopus2-s2.0-85055718009
dc.identifier.scopusqualityQ2
dc.identifier.startpage1529
dc.identifier.urihttps://doi.org/10.1002/polb.24741
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6738
dc.identifier.volume56
dc.identifier.wosWOS:000449536000005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorBoy, Ramiz
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Polymer Science Part B-Polymer Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectcomposites
dc.subjectpoly(epsilon-caprolactone)
dc.subjectpseudorotaxanes
dc.subjectalpha-CD
dc.subjectInclusion Complexes
dc.subjectIn-Vitro
dc.subjectEpsilon-Caprolactone
dc.subjectAlpha-Cyclodextrin
dc.subjectSurface-Roughness
dc.subjectDegradation
dc.subjectVivo
dc.subjectProliferation
dc.subjectNanofibers
dc.subjectCopolymer
dc.titleThermal, mechanical, and topographical evaluation of nonstoichiometric alpha-cyclodextrin/poly(epsilon-caprolactone) pseudorotaxane nucleated poly(epsilon-caprolactone) composite films
dc.typeArticle

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