Synthesis of well-defined bisbenzoin end-functionalized poly(?-caprolactone) macrophotoinitiator by combination of ROP and click chemistry and its use in the synthesis of star copolymers by photoinduced free radical promoted cationic polymerization

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dc.contributor.authorUyar, Zafer
dc.contributor.authorDegirmenci, Mustafa
dc.contributor.authorGenli, Nasrettin
dc.contributor.authorYilmaz, Ayse
dc.date.accessioned2024-04-24T17:07:52Z
dc.date.available2024-04-24T17:07:52Z
dc.date.issued2017
dc.departmentDicle Üniversitesien_US
dc.description.abstractA new well-defined bisbenzoin group end-functionalized poly(epsilon-caprolactone) macrophotoinitiator (PCL-(PI) 2) was synthesized by combination of ring opening polymerization (ROP) and click chemistry. The ROP of epsilon-CL monomer in bulk at 110 degrees C, by means of a hydroxyl functional initiator namely, 3-cyclohexene-1-methanol in conjunction with stannous-2-ethylhexanoate, (Sn(Oct)(2)), yielded a well-defined PCL with a cyclohexene end-chain group (PCL-CH). The bromination and subsequent azidation of the cyclohexene end-chain group gave bisazido functionalized poly(epsilon-caprolactone) (PCL-(N-3)(2)). Separately, an acetylene functionalized benzoin photoinitiator (PI-alkyne) was synthesized by using benzoin and propargyl bromide. Then the click reaction between PCL-(N-3)(2) and PI-alkyne was performed by Cu(I) catalysis. The spectroscopic studies revealed that poly(epsilon-caprolactone) with bisbenzoin photoactive functional group at the chain end (PCL-(PI)(2)) with controlled chain length and low-polydispersity was obtained. This PCL-(PI)(2) macrophotoinitiator was used as a precursor in photoinduced free radical promoted cationic polymerization to synthesize an AB(2)-type miktoarm star copolymer consisting of poly(epsilon-caprolactone) (PCL, as A block) and poly(cyclohexene oxide) (PCHO, as B block), namely PCL(PCHO)(2).en_US
dc.description.sponsorshipHarran University, Scientific Research Council (HUBAK) [13111]; Dicle University [13-MYO-125]en_US
dc.description.sponsorshipThe authors would like to thank Harran University, Scientific Research Council (HUBAK, Project no: 13111) and Dicle University, Scientific Research Projects Coordinator (Project no: 13-MYO-125) for financial support.en_US
dc.identifier.doi10.1080/15685551.2016.1231041
dc.identifier.endpage53en_US
dc.identifier.issn1385-772X
dc.identifier.issn1568-5551
dc.identifier.pmid29491778
dc.identifier.scopus2-s2.0-84995790103
dc.identifier.scopusqualityQ3
dc.identifier.startpage42en_US
dc.identifier.urihttps://doi.org/10.1080/15685551.2016.1231041
dc.identifier.urihttps://hdl.handle.net/11468/17056
dc.identifier.volume20en_US
dc.identifier.wosWOS:000391059500031
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofDesigned Monomers and Polymers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRing Opening Polymerization (Rop)en_US
dc.subjectClick Chemistryen_US
dc.subjectPhotoinduced Free Radical Promoted Cationic Polymerizationen_US
dc.subjectAb(2)-Type Miktoarm Star Copolymeren_US
dc.titleSynthesis of well-defined bisbenzoin end-functionalized poly(?-caprolactone) macrophotoinitiator by combination of ROP and click chemistry and its use in the synthesis of star copolymers by photoinduced free radical promoted cationic polymerizationen_US
dc.titleSynthesis of well-defined bisbenzoin end-functionalized poly(?-caprolactone) macrophotoinitiator by combination of ROP and click chemistry and its use in the synthesis of star copolymers by photoinduced free radical promoted cationic polymerization
dc.typeArticleen_US

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