About: 1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium

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About: 1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Statistical long-chain branching occurring during the free-radical polymerization of the system sodium 4-vinylbenzenesulfonate (SSNa) and N, N-methylene-bis(acrylamide) (MBAA) in aqueous medium was studied by 1H NMR spectroscopy and SEC. The former method yielded the degree of conversion and the content of the three monomer units in the chain, i.e., SSNa, MBAA with pendant vinyl groups, and MBAA as branching points. It was found that the number of individual monomer units per a total of 1000 monomer units does not perceivably change with the degree of conversion and only slightly increases with increasing ratio MBAA/SSNa in the feed. Statistical long-chain branching occurring during the free-radical polymerization of the system sodium 4-vinylbenzenesulfonate (SSNa) and N, N-methylene-bis(acrylamide) (MBAA) in aqueous medium was studied by 1H NMR spectroscopy and SEC. The former method yielded the degree of conversion and the content of the three monomer units in the chain, i.e., SSNa, MBAA with pendant vinyl groups, and MBAA as branching points. It was found that the number of individual monomer units per a total of 1000 monomer units does not perceivably change with the degree of conversion and only slightly increases with increasing ratio MBAA/SSNa in the feed. (en)
Title	1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium 1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium (en)
skos:prefLabel	1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium 1H NMR analysis of long-chain-branched strong polyelectrolytes obtained by vinyl/divinyl monomer copolymerization in aqueous medium (en)
skos:notation	RIV/61389013:_____/13:00397904!RIV14-AV0-61389013
http://linked.open...avai/predkladatel	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Netopilík, Miloš Spěváček, Jiří Podešva, Jiří Kratochvíl, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	119594
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/13:00397904
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	long-chain branching; NMR; polyelectrolytes (en)
http://linked.open.../riv/klicoveSlovo	long-chain branching NMR polyelectrolytes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[2EAE84657F36]
http://linked.open...i/riv/nazevZdroje	International Journal of Polymer Analysis and Characterization
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Netopilík, Miloš Spěváček, Jiří Kratochvíl, Pavel Podešva, Jiří
http://linked.open...ain/vavai/riv/wos	000326070500009
issn	1023-666X
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1080/1023666X.2013.834172

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