Please use this identifier to cite or link to this item: http://earsiv.odu.edu.tr:8080/xmlui/handle/11489/2694
Full metadata record
DC FieldValueLanguage
dc.contributor.authorCatiker, Efkan-
dc.contributor.authorGuven, Olgun-
dc.contributor.authorSalih, Bekir-
dc.date.accessioned2022-08-17T07:08:33Z-
dc.date.available2022-08-17T07:08:33Z-
dc.date.issued2018-
dc.identifier.urihttp://doi.org/10.1007/s00289-017-2014-2-
dc.identifier.urihttp://earsiv.odu.edu.tr:8080/xmlui/handle/11489/2694-
dc.description.abstractOligomers of 2-methyl nylon3 (2mN3) and 3-methyl nylon3 (3mN3) were synthesized by base-catalyzed hydrogen transfer polymerization (HTP) of methacrylamide and crotonamide, respectively. The detailed structural analyses of 2mN3 and 3mN3 were performed using MALDI-MS, H-1-NMR, elemental analysis and several end-group analyses to ascertain polymerization mechanism and exact chemical structures of final products. The structural analyses revealed that (1) base-catalyzed HTP of methacrylamide and crotonamide follows the sequence of: hydrogen abstraction from amide group of monomer by basic catalyst (NatBuO), addition of monomeric units to the anionic center, intramolecular hydrogen migration and finally, termination by hydrogen transfer from protonated catalyst (tBuOH) to anionic end-group, (2) both oligomeric products have olefinic chain-ends resulting from the initiation mechanism. The specific behavior of basic catalyst leads to the formation of olefinic chain-ends that are apt to possible end-group functionalization. Since the functional end-groups of a well-defined macromonomer are of importance in terms of chain extension, grafting, chemical modification, click chemistry, monolayer surface modification, etc., it was aimed to create more reactive functional end-groups by epoxylation and bromination. Disappearance of the signals belonging to the olefinic protons in H-1-NMR spectra of modified oligomers and existence of bromine and epoxy adducts in MALDI MS spectra of the modified oligomers were attributed to end-group modification as intended. Hence, four novel macromonomers of polyamidic backbone with functional chain-ends were synthesized successfully.en_US
dc.language.isoengen_US
dc.publisherSPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USAen_US
dc.relation.isversionof10.1007/s00289-017-2014-2en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject2-Methyl nylon3; 3-Methyl nylon3; Hydrogen transfer polymerization; Hydrophobic macromonomer; End-group functionalityen_US
dc.titleNovel hydrophobic macromonomers for potential amphiphilic block copolymersen_US
dc.typearticleen_US
dc.relation.journalPOLYMER BULLETINen_US
dc.contributor.departmentOrdu Üniversitesien_US
dc.contributor.authorID0000-0003-2493-7570en_US
dc.identifier.volume75en_US
dc.identifier.issue1en_US
dc.identifier.startpage47en_US
dc.identifier.endpage60en_US
Appears in Collections:Kimya

Files in This Item:
There are no files associated with this item.


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.