"Mesoporous hybrid catalysts for preparation of specialty polymers"@en . "1"^^ . . . . "13"^^ . "New highly active and select\u00EDve hybrid catalysts for preparation of catalyst-free specialty polyalkenylenes and polyacetylenes will be developed. Special attention will be paid to the achievement of long-time stable and reusable catalysts that will be applied in flow reactor. The easy separation of prepared polymers from the hybrid catalysts will minimize the contamination of polymers with catalysts residua (serious weakness in homogeneously catalyzed preparation) that is of particular importance in the case of functionalized polyalkenylenes and polyacetylenes for applications in electronics, optoelectronics, pharmacology and related fields. Well defined Ru, Rh and Ir organometallic complexes will be anchored on (i) Si and/or AI containing mesoporous molecular sieves of /arious architecture and pores diameter and (ii) polybenzimidazole and/or poly(styrene-co-divinylbenzene) polymeric supports. The hybrid catalysts will be applied in polymerizations of functionalized monomers: (i) ROMP of"@en . . . "2403"^^ . . "2005-01-01+01:00"^^ . . . . "13"^^ . . "Mesopor\u00E9zn\u00ED hybridn\u00ED katalyz\u00E1tory pro p\u0159\u00EDpravu speci\u00E1ln\u00EDch polymer\u016F"@cs . "hybrid catalysts; metathesis polymerization; polyalkenylenes; polyacetylenes"@en . . "2403"^^ . "Budou vyvinuty nov\u00E9 vysoce aktivn\u00ED a selektivn\u00ED hybridn\u00ED katalyz\u00E1tory pro p\u0159\u00EDpravu \u010Dist\u00FDch speci\u00E1ln\u00EDch polymer\u016F typu polyalkenylen\u016F a polyacetylen\u016F. C\u00EDlem jsou katalyz\u00E1tory vyzna\u010Duj\u00EDc\u00ED se dlouhodobou stabilitou a pou\u017Eitelnost\u00ED v pr\u016Ftokov\u00FDch reaktorech. Pou\u017Eit\u00ED t\u011Bchto katalyz\u00E1tor\u016F umo\u017En\u00ED minimalizovat kontaminaci p\u0159ipravovan\u00FDch polymer\u016F zbytky katalyz\u00E1tor\u016F (tato kontaminace p\u0159edstavuje z\u00E1va\u017En\u00FD nedostatek p\u0159i homogenn\u011B katalyzovan\u00E9 p\u0159\u00EDprav\u011B), co\u017E je zvl\u00E1\u0161t\u011B d\u016Fle\u017Eit\u00E9 v p\u0159\u00EDpad\u011B funkcionalizovan\u00FDch polyalkenylen\u016F a polyacetylen\u016F pro elektronick\u00E9, optoelektronick\u00E9, farmakologick\u00E9 a jin\u00E9 aplikace. Dob\u0159e definovan\u00E9 Ru, Rh a Ir organometalick\u00E9 komplexy budou zakotveny (i) na mezopor\u00E9zn\u00EDch molekulov\u00FDch s\u00EDtech s r\u016Fzn\u00FDm slo\u017Een\u00EDm (Si, AI, kombinace Si a AI), r\u016Fznou strukturou a rozm\u011Bry p\u00F3r\u016F, a (ii) na polymern\u00EDch nosi\u010D\u00EDch [polybenzimidazol, poly(styren-divinylbenzen)]. P\u0159ipraven\u00E9 katalyz\u00E1tory budou aplikov\u00E1ny pro polymerizace speci\u00E1ln\u00EDch monomer\u016F: (i) ROMP norbornenu s pol\u00E1rn\u00EDmi substituenty (estery,"@cs . "0"^^ . "2007-12-31+01:00"^^ . . "1"^^ .