About: Cellulose-based graft copolymers with controlled architecture prepared in a homogeneous phase

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Cellulose-based macroinitiators with predetermined number of initiation sites were synthesized by acylation of microcrystalline cellulose AVICEL PH-101 with 2-bromoisobutyryl bromide under homogeneous reaction conditions in the DMAc/LiCl solvent system. The influence of different methods of cellulose activation on the acylation efficiency and reproducibility was investigated. A new activation protocol, based on solvent exchange to 1,4-dioxane, was introduced. Prepared macroinitiators were used for grafting with styrene and MMA using optimized ATRP reaction conditions to achieve well-controlled polymerizations with high initiation efficiency. In addition, SET LRP technique employing Cu(0) as the catalyst was used for the first time to prepare cellulose-graft-polystyrene and cellulose-graft-poly(MMA) copolymers in a homogeneous phase. Moreover, some of the prepared copolymers were characterized by static and dynamic light scattering, and microscopic techniques. Cellulose-based macroinitiators with predetermined number of initiation sites were synthesized by acylation of microcrystalline cellulose AVICEL PH-101 with 2-bromoisobutyryl bromide under homogeneous reaction conditions in the DMAc/LiCl solvent system. The influence of different methods of cellulose activation on the acylation efficiency and reproducibility was investigated. A new activation protocol, based on solvent exchange to 1,4-dioxane, was introduced. Prepared macroinitiators were used for grafting with styrene and MMA using optimized ATRP reaction conditions to achieve well-controlled polymerizations with high initiation efficiency. In addition, SET LRP technique employing Cu(0) as the catalyst was used for the first time to prepare cellulose-graft-polystyrene and cellulose-graft-poly(MMA) copolymers in a homogeneous phase. Moreover, some of the prepared copolymers were characterized by static and dynamic light scattering, and microscopic techniques. (en)
Title	Cellulose-based graft copolymers with controlled architecture prepared in a homogeneous phase Cellulose-based graft copolymers with controlled architecture prepared in a homogeneous phase (en)
skos:prefLabel	Cellulose-based graft copolymers with controlled architecture prepared in a homogeneous phase Cellulose-based graft copolymers with controlled architecture prepared in a homogeneous phase (en)
skos:notation	RIV/61389013:_____/11:00364282!RIV12-AV0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/09/1348), P(GAP208/10/0353), P(IAA401110702), Z(AV0Z40500505), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	20
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Dybal, Jiří Vlček, Petr Netopilík, Miloš Kříž, Jaroslav Raus, Vladimír Čadová, Eva Látalová, Petra Šlouf, Miroslav
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	189390
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/11:00364282
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atom transfer radical polymerization (ATRP); cellulose; graft copolymers (en)
http://linked.open.../riv/klicoveSlovo	cellulose graft copolymers atom transfer radical polymerization (ATRP)
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[12A9A44AE823]
http://linked.open...i/riv/nazevZdroje	Journal of Polymer Science. Part A - Polymer Chemistry
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Synthesis and mechanical properties of nanocomposites with tailored organoclays Nanoparticles based on hydrophilic block polyelectrolyte complexes with ionic surfactants Associating Amphiphilic Miktoarm and Heteroarm Polyelectrolytes
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	49
http://linked.open...iv/tvurceVysledku	Dybal, Jiří Kříž, Jaroslav Látalová, Petra Netopilík, Miloš Raus, Vladimír Uchman, M. Vlček, Petr Čadová, Eva Šlouf, Miroslav Štěpánek, M.
http://linked.open...ain/vavai/riv/wos	000295714800007
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0887-624X
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/pola.24876

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