Diblock copolymers of polystyrene-b-poly(1,3-cyclohexadiene) exhibiting unique three-phase microdomain morphologies

Handle URI:
http://hdl.handle.net/10754/621697
Title:
Diblock copolymers of polystyrene-b-poly(1,3-cyclohexadiene) exhibiting unique three-phase microdomain morphologies
Authors:
Misichronis, Konstantinos; Chen, Jihua; Kahk, Jong K.; Imel, Adam; Dadmun, Mark; Hong, Kunlun; Hadjichristidis, Nikolaos ( 0000-0003-1442-1714 ) ; Mays, Jimmy W.; Avgeropoulos, Apostolos
Abstract:
The synthesis and molecular characterization of a series of conformationally asymmetric polystyrene-block-poly(1,3-cyclohexadiene) (PS-b-PCHD) diblock copolymers (PCHD: ∼90% 1,4 and ∼10% 1,2), by sequential anionic copolymerization high vacuum techniques, is reported. A wide range of volume fractions (0.27≤ϕPS≤0.91) was studied by transmission electron microscopy and small-angle X-ray scattering in order to explore in detail the microphase separation behavior of these flexible/semiflexible diblock copolymers. Unusual morphologies, consisting of PCHD core(PCHD-1,4)-shell(PCHD-1,2) cylinders in PS matrix and three-phase (PS, PCHD-1,4, PCHD-1,2) four-layer lamellae, were observed suggesting that the chain stiffness of the PCHD block and the strong dependence of the interaction parameter χ on the PCHD microstructures are important factors for the formation of this unusual microphase separation behavior in PS-b-PCHD diblock copolymers. © 2016 Wiley Periodicals, Inc.
KAUST Department:
KAUST Catalysis Center (KCC); Physical Sciences and Engineering (PSE) Division; Polymer Synthesis Laboratory
Citation:
Misichronis K, Chen J, Kahk JK, Imel A, Dadmun M, et al. (2016) Diblock copolymers of polystyrene-b-poly(1,3-cyclohexadiene) exhibiting unique three-phase microdomain morphologies. J Polym Sci Part B: Polym Phys 54: 1564–1572. Available: http://dx.doi.org/10.1002/polb.24050.
Publisher:
Wiley-Blackwell
Journal:
Journal of Polymer Science Part B: Polymer Physics
Issue Date:
31-Mar-2016
DOI:
10.1002/polb.24050
Type:
Article
ISSN:
0887-6266
Sponsors:
This work was supported by the Materials Science and Engineering Division, U.S. Department of Energy (DoE), Office of Basic Energy Sciences (BES) under contract No. DEAC05-00OR22725 with UT-Battelle, LLC at Oak Ridge National Laboratory (ORNL). Part of the research was done at the Center for Nanophase Materials Sciences, which is sponsored by the Scientific User Facilities Division of DoE through a user project to J. W. Mays. A. Avgeropoulos also thank the nuclear magnetic resonance spectroscopy and the electron microscopy facilities of the University of Ioannina. The research reported in this publication was partially supported by funding from King Abdullah University of Science and Technology (KAUST).
Additional Links:
http://onlinelibrary.wiley.com/doi/10.1002/polb.24050/full
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC)

Full metadata record

DC FieldValue Language
dc.contributor.authorMisichronis, Konstantinosen
dc.contributor.authorChen, Jihuaen
dc.contributor.authorKahk, Jong K.en
dc.contributor.authorImel, Adamen
dc.contributor.authorDadmun, Marken
dc.contributor.authorHong, Kunlunen
dc.contributor.authorHadjichristidis, Nikolaosen
dc.contributor.authorMays, Jimmy W.en
dc.contributor.authorAvgeropoulos, Apostolosen
dc.date.accessioned2016-11-03T13:22:59Z-
dc.date.available2016-11-03T13:22:59Z-
dc.date.issued2016-03-31en
dc.identifier.citationMisichronis K, Chen J, Kahk JK, Imel A, Dadmun M, et al. (2016) Diblock copolymers of polystyrene-b-poly(1,3-cyclohexadiene) exhibiting unique three-phase microdomain morphologies. J Polym Sci Part B: Polym Phys 54: 1564–1572. Available: http://dx.doi.org/10.1002/polb.24050.en
dc.identifier.issn0887-6266en
dc.identifier.doi10.1002/polb.24050en
dc.identifier.urihttp://hdl.handle.net/10754/621697-
dc.description.abstractThe synthesis and molecular characterization of a series of conformationally asymmetric polystyrene-block-poly(1,3-cyclohexadiene) (PS-b-PCHD) diblock copolymers (PCHD: ∼90% 1,4 and ∼10% 1,2), by sequential anionic copolymerization high vacuum techniques, is reported. A wide range of volume fractions (0.27≤ϕPS≤0.91) was studied by transmission electron microscopy and small-angle X-ray scattering in order to explore in detail the microphase separation behavior of these flexible/semiflexible diblock copolymers. Unusual morphologies, consisting of PCHD core(PCHD-1,4)-shell(PCHD-1,2) cylinders in PS matrix and three-phase (PS, PCHD-1,4, PCHD-1,2) four-layer lamellae, were observed suggesting that the chain stiffness of the PCHD block and the strong dependence of the interaction parameter χ on the PCHD microstructures are important factors for the formation of this unusual microphase separation behavior in PS-b-PCHD diblock copolymers. © 2016 Wiley Periodicals, Inc.en
dc.description.sponsorshipThis work was supported by the Materials Science and Engineering Division, U.S. Department of Energy (DoE), Office of Basic Energy Sciences (BES) under contract No. DEAC05-00OR22725 with UT-Battelle, LLC at Oak Ridge National Laboratory (ORNL). Part of the research was done at the Center for Nanophase Materials Sciences, which is sponsored by the Scientific User Facilities Division of DoE through a user project to J. W. Mays. A. Avgeropoulos also thank the nuclear magnetic resonance spectroscopy and the electron microscopy facilities of the University of Ioannina. The research reported in this publication was partially supported by funding from King Abdullah University of Science and Technology (KAUST).en
dc.publisherWiley-Blackwellen
dc.relation.urlhttp://onlinelibrary.wiley.com/doi/10.1002/polb.24050/fullen
dc.subjectAnionic polymerizationen
dc.subjectDiblock copolymersen
dc.subjectDifferential scanning calorimetry (DSC)en
dc.subjectSAXSen
dc.subjectTEMen
dc.titleDiblock copolymers of polystyrene-b-poly(1,3-cyclohexadiene) exhibiting unique three-phase microdomain morphologiesen
dc.typeArticleen
dc.contributor.departmentKAUST Catalysis Center (KCC)en
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentPolymer Synthesis Laboratoryen
dc.identifier.journalJournal of Polymer Science Part B: Polymer Physicsen
dc.contributor.institutionOak Ridge National Laboratory; Center for Nanophase Materials Sciences; Oak Ridge Tennessee 37831en
dc.contributor.institutionDepartment of Chemistry; University of Tennessee at Knoxville; Knoxville Tennessee 37996en
dc.contributor.institutionDepartment of Materials Science Engineering; University of Ioannina, University Campus-Dourouti; 45110 Greeceen
dc.contributor.institutionOak Ridge National Laboratory; Neutron Sciences Directorate; Oak Ridge Tennessee 37831en
kaust.authorHadjichristidis, Nikolaosen
kaust.authorAvgeropoulos, Apostolosen
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