About: RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives

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About: RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	New heterogeneous catalysts for ring opening metathesis polymerization (ROMP) have been prepared by immobilization of RuCl2(p-cymene)(PCy3) (Cy = cyclohexyl) on silica and siliceous mesoporous molecular sieves SBA-15 and MCM-41. Activity of these catalysts was investigated in ROMP of norbornene (NBE) and its derivatives (dicyclopentadiene, 5-norbornene-2-yl acetate). High molecular weight polymers (Mw up to 400 000) were prepared in yields up to 80% using catalysts based on mesoporous sieves. In contrast, with catalyst based on conventional silica the yield did not exceed 28% (ROMP of NBE). Filtration test proved that the catalytic activity was bound to the solid phase. Catalysts could be easily separated from the reaction mixture in contrast to the corresponding homogeneous system. Therefore, polymers with reduced amounts of catalyst residues were obtained. New heterogeneous catalysts for ring opening metathesis polymerization (ROMP) have been prepared by immobilization of RuCl2(p-cymene)(PCy3) (Cy = cyclohexyl) on silica and siliceous mesoporous molecular sieves SBA-15 and MCM-41. Activity of these catalysts was investigated in ROMP of norbornene (NBE) and its derivatives (dicyclopentadiene, 5-norbornene-2-yl acetate). High molecular weight polymers (Mw up to 400 000) were prepared in yields up to 80% using catalysts based on mesoporous sieves. In contrast, with catalyst based on conventional silica the yield did not exceed 28% (ROMP of NBE). Filtration test proved that the catalytic activity was bound to the solid phase. Catalysts could be easily separated from the reaction mixture in contrast to the corresponding homogeneous system. Therefore, polymers with reduced amounts of catalyst residues were obtained. (en)
Title	RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives (en)
skos:prefLabel	RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives RuCl2(p-cymene)(PCy3) immobilized on mesoporous molecular sieves as catalyst for ROMP of norbornene and its derivatives (en)
skos:notation	RIV/61388955:_____/10:00349038!RIV11-GA0-61388955
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GD203/08/H032), P(IAA400400805), P(KAN100400701), S, Z(AV0Z40400503), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Dědeček, Jiří Balcar, Hynek Bek, David Lamač, Martin Bastl, Zdeněk
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	286117
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/10:00349038
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ru complex; heterogeneous catalyst; ROMP (en)
http://linked.open.../riv/klicoveSlovo	ROMP Ru complex heterogeneous catalyst
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[5F2A89823E3F]
http://linked.open...i/riv/nazevZdroje	Journal of Molecular Catalysis A-Chemical
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced immobilized metathesis catalysts for fine chemical synthesis Hybride nanocomposite materials Advanced catalytic processes and materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	332
http://linked.open...iv/tvurceVysledku	Dědeček, Jiří Balcar, Hynek Bek, David Lamač, Martin Bastl, Zdeněk Sedláček, D.
http://linked.open...ain/vavai/riv/wos	000284674300004
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	1381-1169
number of pages	6 (xsd:int)

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