About: [Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene.

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About: [Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	New hybrid catalyst affording polymerization of phenylacetylene into high-molecular- weight (Mw = 180 000) high-cis polyphenylacetylene (PPhA) was prepared via immobilization of [Rh(cod)Cl]2 (cod = .eta.4-cycloocta-1,5-diene) on siliceous mesoporous molecular sieves MCM-41 modified by 3-aminopropyltrimethoxysilane. The polymerization proceeds in catalyst channels and PPhA formed is continuously released into the liquid phase, from which it can be easily isolated. In comparison with related homogeneous catalysts, the hybrid catalyst provides comparable or even higher PPhA yields, considerably higher molecular weight of PPhA and reduced amounts of oligomeric by-products. Catalyst is resistant to Rh leaching; however, chemical transformation of anchored Rh species occurring during polymerization strongly reduces a possibility of catalyst re-using. New hybrid catalyst affording polymerization of phenylacetylene into high-molecular- weight (Mw = 180 000) high-cis polyphenylacetylene (PPhA) was prepared via immobilization of [Rh(cod)Cl]2 (cod = .eta.4-cycloocta-1,5-diene) on siliceous mesoporous molecular sieves MCM-41 modified by 3-aminopropyltrimethoxysilane. The polymerization proceeds in catalyst channels and PPhA formed is continuously released into the liquid phase, from which it can be easily isolated. In comparison with related homogeneous catalysts, the hybrid catalyst provides comparable or even higher PPhA yields, considerably higher molecular weight of PPhA and reduced amounts of oligomeric by-products. Catalyst is resistant to Rh leaching; however, chemical transformation of anchored Rh species occurring during polymerization strongly reduces a possibility of catalyst re-using. (en)
Title	[Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene. [Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene. (en)
skos:prefLabel	[Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene. [Rh(cod)Cl]2 Complex Immobilized on Mesoporous Molecular Sieves MCM-41 ů A New Hybrid Catalyst for Polymerization of Phenylacetylene. (en)
skos:notation	RIV/61388955:_____/03:54030103!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	287;298
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/02/0976), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	1/2
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Bosáček, Vladimír Čejka, Jiří Balcar, Hynek 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	625622
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/03:54030103
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hybrid catalyst; MCM-41; rhodium complexes (en)
http://linked.open.../riv/klicoveSlovo	rhodium complexes MCM-41 hybrid catalyst
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[412ADBDF7496]
http://linked.open...i/riv/nazevZdroje	Journal of Molecular Catalysis. A - Chemistry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Mesoporous molecular sieves immobilized catalysts for olefin metathesis and related polymerizations
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	203
http://linked.open...iv/tvurceVysledku	Čejka, Jiří Sedláček, J. Balcar, Hynek Bastl, Zdeněk Svoboda, J. Vohlídal, J. Bosáček, Vladimír Zedník, J.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	1381-1169
number of pages	12 (xsd:int)

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