Preparation of a new polymer-dispersed liquid crystal film by using phthalocyanine-functional photocurable copolymer

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dc.contributor.authorMert Balaban, Hümeyra
dc.contributor.authorDinçer, Hatice
dc.contributor.authorÇalışkan, Emel
dc.contributor.authorŞen, Betül Nur
dc.contributor.authorHepuzer Gürsel, Yeşim
dc.date.accessioned2019-05-10T09:38:55Z
dc.date.available2019-05-10T09:38:55Z
dc.date.issued2015
dc.departmentHitit Üniversitesi, Mühendislik Fakültesi, Polimer Mühendisliği Bölümü
dc.description.abstractA new, asymmetrical zinc phthalocyanine (aZnPc)-functional photocurable copolymer was prepared by the combination of atom transfer radical polymerization and copper (I)-catalyzed azide-alkyne cyclo-addition (CuAAC) click reaction and used as polymer matrix of polymer dispersed liquid crystal (PDLC) film. For this purpose, aZnPc was prepared through statistical condensation of 4-tert-butylphthalonitrile and 4-pent-4-ynyloxyphthalonitrile. Double CuAAC click reaction between azido-functional poly(methyl methacrylate-co-2-(2-bromoisobutyryloxy)-ethyl methacrylate), terminal alkynyl-substituted aZnPc, and 4-ethynyl-N,N-dimethyl aniline yielded photocurable aZnPc-functional copolymer. Thereby, synthesized copolymer was crosslinked in the presence of liquid crystalline mesogen 4?-(octyloxy)-4-biphenylcarbonitrile by ultraviolet irradiation using benzophenone as initiator and ethylene glycol dimethacrylate as difunctional crosslinker. Thermal and optical properties of PDLC film were investigated by using differential scanning calorimetry and polarized optical microscopy. Smectic A liquid crystal mesophases were observed in both PDLC film and its mesogenic component 4?-(octyloxy)-4-biphenylcarbonitrile. © 2014 Wiley Periodicals, Inc.
dc.identifier.citationMert, H., Dinçer, H., Çalışkan, E., Şen, B. N., & Gürsel, Y. H. (2015). Preparation of a new polymer?dispersed liquid crystal film by using phthalocyanine?functional photocurable copolymer. Journal of Applied Polymer Science, 132(10).
dc.identifier.doi10.1002/app.41574
dc.identifier.issn0021-8995
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1002/app.41574
dc.identifier.urihttps://hdl.handle.net/11491/549
dc.identifier.volume132en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc.
dc.relation.ispartofJournal of Applied Polymer Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCopolymersen_US
dc.subjectDifferential Scanning Calorimetryen_US
dc.subjectDyes/Pigmentsen_US
dc.subjectFunctionalization of Polymersen_US
dc.subjectLiquid Crystalsen_US
dc.titlePreparation of a new polymer-dispersed liquid crystal film by using phthalocyanine-functional photocurable copolymer
dc.typeArticle

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