Počet záznamů: 1
Copolymer chain formation of 2-oxazolines by in situ1H-NMR spectroscopy: dependence of sequential composition on substituent structure and monomer ratios
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SYSNO ASEP 0541040 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Copolymer chain formation of 2-oxazolines by in situ1H-NMR spectroscopy: dependence of sequential composition on substituent structure and monomer ratios Tvůrce(i) Abbrent, Sabina (UMCH-V) RID, ORCID
Mahun, Andrii (UMCH-V) ORCID
Dušková-Smrčková, Miroslava (UMCH-V) RID
Kobera, Libor (UMCH-V) RID, ORCID
Konefal, Rafal (UMCH-V) RID, ORCID
Černoch, Peter (UMCH-V) RID, ORCID
Dušek, Karel (UMCH-V) RID, ORCID
Brus, Jiří (UMCH-V) RID, ORCIDZdroj.dok. RSC Advances. - : Royal Society of Chemistry
Roč. 11, č. 18 (2021), s. 10468-10478Poč.str. 11 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova poly-2-oxazolines ; polymer microstructure ; in-situ CROP co-polymerization Vědní obor RIV CD - Makromolekulární chemie Obor OECD Polymer science CEP GA18-12925S GA ČR - Grantová agentura ČR Způsob publikování Open access Institucionální podpora UMCH-V - RVO:61389013 UT WOS 000629770100008 EID SCOPUS 85102791737 DOI 10.1039/D1RA01509E Anotace In situ 1H NMR characterization of copolymerization reactions of various 2-oxazoline monomers at different molar ratios offers detailed insight into the build-up and composition of the polymer chains. Various 2-oxazolines were copolymerized in one single solvent, butyronitrile, with 2-dec-9′-enyl-2-oxazoline, where the double bond allows for post-polymerization modification and can function as a crosslinking unit to form polymer networks. The types of the monomers and their molar ratios in the feed have a strong effect on the microstructure of the forming copolymer chains. Copolymers comprising 2-dec-9′-enyl-2-oxazoline and either 2-ethyl-, 2-isopropyl-, 2-butyl-, 2-heptyl, 2-nonyl- or 2-phenyl-2-oxazoline, show significant differences in sequential structure of copolymers ranging from block to gradient and random ordering of the monomer units. 1H NMR was found to be a powerful tool to uncover detailed oxazoline copolymerization kinetics and evolution of chain composition. Pracoviště Ústav makromolekulární chemie Kontakt Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Rok sběru 2022 Elektronická adresa https://pubs.rsc.org/en/content/articlelanding/2021/RA/D1RA01509E#!divAbstract
Počet záznamů: 1